3610 lines
146 KiB
Java
3610 lines
146 KiB
Java
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3;
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import static com.android.launcher3.LauncherAnimUtils.SPRING_LOADED_EXIT_DELAY;
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import static com.android.launcher3.LauncherSettings.Favorites.ITEM_TYPE_APPLICATION;
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import static com.android.launcher3.LauncherState.ALL_APPS;
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import static com.android.launcher3.LauncherState.EDIT_MODE;
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import static com.android.launcher3.LauncherState.FLAG_MULTI_PAGE;
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import static com.android.launcher3.LauncherState.FLAG_WORKSPACE_ICONS_CAN_BE_DRAGGED;
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import static com.android.launcher3.LauncherState.FLAG_WORKSPACE_INACCESSIBLE;
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import static com.android.launcher3.LauncherState.HINT_STATE;
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import static com.android.launcher3.LauncherState.NORMAL;
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import static com.android.launcher3.LauncherState.SPRING_LOADED;
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import static com.android.launcher3.MotionEventsUtils.isTrackpadMultiFingerSwipe;
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import static com.android.launcher3.anim.AnimatorListeners.forSuccessCallback;
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import static com.android.launcher3.config.FeatureFlags.FOLDABLE_SINGLE_PAGE;
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import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_HOME;
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import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_SWIPELEFT;
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import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_SWIPERIGHT;
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import android.animation.Animator;
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import android.animation.AnimatorListenerAdapter;
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import android.animation.LayoutTransition;
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import android.animation.ValueAnimator;
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import android.animation.ValueAnimator.AnimatorUpdateListener;
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import android.annotation.SuppressLint;
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import android.app.WallpaperManager;
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import android.appwidget.AppWidgetHostView;
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import android.appwidget.AppWidgetProviderInfo;
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import android.content.Context;
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import android.content.res.Resources;
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import android.graphics.Bitmap;
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import android.graphics.Point;
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import android.graphics.PointF;
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import android.graphics.Rect;
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import android.graphics.drawable.Drawable;
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import android.os.Handler;
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import android.os.Message;
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import android.os.Parcelable;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.util.SparseArray;
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import android.view.Gravity;
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import android.view.LayoutInflater;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.accessibility.AccessibilityNodeInfo;
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import android.widget.FrameLayout;
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import android.widget.Toast;
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import androidx.annotation.Nullable;
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import androidx.annotation.VisibleForTesting;
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import com.android.app.animation.Interpolators;
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import com.android.launcher3.accessibility.AccessibleDragListenerAdapter;
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import com.android.launcher3.accessibility.WorkspaceAccessibilityHelper;
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import com.android.launcher3.anim.PendingAnimation;
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import com.android.launcher3.celllayout.CellLayoutLayoutParams;
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import com.android.launcher3.celllayout.CellPosMapper;
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import com.android.launcher3.celllayout.CellPosMapper.CellPos;
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import com.android.launcher3.config.FeatureFlags;
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import com.android.launcher3.dot.FolderDotInfo;
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import com.android.launcher3.dragndrop.DragController;
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import com.android.launcher3.dragndrop.DragLayer;
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import com.android.launcher3.dragndrop.DragOptions;
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import com.android.launcher3.dragndrop.DragView;
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import com.android.launcher3.dragndrop.DraggableView;
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import com.android.launcher3.dragndrop.SpringLoadedDragController;
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import com.android.launcher3.folder.Folder;
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import com.android.launcher3.folder.FolderIcon;
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import com.android.launcher3.folder.PreviewBackground;
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import com.android.launcher3.graphics.DragPreviewProvider;
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import com.android.launcher3.icons.BitmapRenderer;
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import com.android.launcher3.icons.FastBitmapDrawable;
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import com.android.launcher3.logger.LauncherAtom;
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import com.android.launcher3.logging.InstanceId;
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import com.android.launcher3.logging.StatsLogManager;
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import com.android.launcher3.logging.StatsLogManager.LauncherEvent;
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import com.android.launcher3.model.data.FolderInfo;
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import com.android.launcher3.model.data.ItemInfo;
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import com.android.launcher3.model.data.LauncherAppWidgetInfo;
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import com.android.launcher3.model.data.WorkspaceItemFactory;
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import com.android.launcher3.model.data.WorkspaceItemInfo;
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import com.android.launcher3.pageindicators.PageIndicator;
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import com.android.launcher3.statemanager.StateManager;
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import com.android.launcher3.statemanager.StateManager.StateHandler;
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import com.android.launcher3.states.StateAnimationConfig;
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import com.android.launcher3.touch.WorkspaceTouchListener;
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import com.android.launcher3.util.EdgeEffectCompat;
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import com.android.launcher3.util.Executors;
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import com.android.launcher3.util.IntArray;
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import com.android.launcher3.util.IntSet;
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import com.android.launcher3.util.IntSparseArrayMap;
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import com.android.launcher3.util.LauncherBindableItemsContainer;
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import com.android.launcher3.util.OverlayEdgeEffect;
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import com.android.launcher3.util.PackageUserKey;
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import com.android.launcher3.util.RunnableList;
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import com.android.launcher3.util.Thunk;
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import com.android.launcher3.util.WallpaperOffsetInterpolator;
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import com.android.launcher3.widget.LauncherAppWidgetHostView;
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import com.android.launcher3.widget.LauncherWidgetHolder;
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import com.android.launcher3.widget.LauncherWidgetHolder.ProviderChangedListener;
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import com.android.launcher3.widget.NavigableAppWidgetHostView;
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import com.android.launcher3.widget.PendingAddShortcutInfo;
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import com.android.launcher3.widget.PendingAddWidgetInfo;
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import com.android.launcher3.widget.PendingAppWidgetHostView;
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import com.android.launcher3.widget.WidgetManagerHelper;
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import com.android.launcher3.widget.dragndrop.AppWidgetHostViewDragListener;
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import com.android.launcher3.widget.util.WidgetSizes;
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import com.android.systemui.plugins.shared.LauncherOverlayManager.LauncherOverlay;
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import com.android.systemui.plugins.shared.LauncherOverlayManager.LauncherOverlayCallbacks;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import java.util.function.Consumer;
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import java.util.function.Predicate;
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import java.util.stream.Collectors;
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/**
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* The workspace is a wide area with a wallpaper and a finite number of pages.
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* Each page contains a number of icons, folders or widgets the user can
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* interact with. A workspace is meant to be used with a fixed width only.
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*
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* @param <T> Class that extends View and PageIndicator
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*/
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public class Workspace<T extends View & PageIndicator> extends PagedView<T>
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implements DropTarget, DragSource, View.OnTouchListener,
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DragController.DragListener, Insettable, StateHandler<LauncherState>,
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WorkspaceLayoutManager, LauncherBindableItemsContainer, LauncherOverlayCallbacks {
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/**
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* The value that {@link #mTransitionProgress} must be greater than for
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* {@link #transitionStateShouldAllowDrop()} to return true.
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*/
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private static final float ALLOW_DROP_TRANSITION_PROGRESS = 0.25f;
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/**
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* The value that {@link #mTransitionProgress} must be greater than for
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* {@link #isFinishedSwitchingState()} ()} to return true.
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*/
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private static final float FINISHED_SWITCHING_STATE_TRANSITION_PROGRESS = 0.5f;
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private static final float SIGNIFICANT_MOVE_SCREEN_WIDTH_PERCENTAGE = 0.15f;
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private static final boolean ENFORCE_DRAG_EVENT_ORDER = false;
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private static final int ADJACENT_SCREEN_DROP_DURATION = 300;
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public static final int DEFAULT_PAGE = 0;
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private final int mAllAppsIconSize;
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private LayoutTransition mLayoutTransition;
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@Thunk
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final WallpaperManager mWallpaperManager;
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protected ShortcutAndWidgetContainer mDragSourceInternal;
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@VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
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@Thunk
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public final IntSparseArrayMap<CellLayout> mWorkspaceScreens = new IntSparseArrayMap<>();
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@Thunk
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final IntArray mScreenOrder = new IntArray();
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@Thunk
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boolean mDeferRemoveExtraEmptyScreen = false;
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/**
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* CellInfo for the cell that is currently being dragged
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*/
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protected CellLayout.CellInfo mDragInfo;
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/**
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* Target drop area calculated during last acceptDrop call.
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*/
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@Thunk
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int[] mTargetCell = new int[2];
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private int mDragOverX = -1;
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private int mDragOverY = -1;
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/**
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* The CellLayout that is currently being dragged over
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*/
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@Thunk
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CellLayout mDragTargetLayout = null;
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/**
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* The CellLayout that we will show as highlighted
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*/
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private CellLayout mDragOverlappingLayout = null;
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/**
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* The CellLayout which will be dropped to
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*/
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private CellLayout mDropToLayout = null;
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@Thunk
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final Launcher mLauncher;
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@Thunk
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DragController mDragController;
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protected final int[] mTempXY = new int[2];
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private final float[] mTempFXY = new float[2];
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private final Rect mTempRect = new Rect();
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@Thunk
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float[] mDragViewVisualCenter = new float[2];
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private SpringLoadedDragController mSpringLoadedDragController;
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private boolean mIsSwitchingState = false;
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boolean mChildrenLayersEnabled = true;
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private boolean mStripScreensOnPageStopMoving = false;
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private boolean mWorkspaceFadeInAdjacentScreens;
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final WallpaperOffsetInterpolator mWallpaperOffset;
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private boolean mUnlockWallpaperFromDefaultPageOnLayout;
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public static final int REORDER_TIMEOUT = 650;
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protected final Alarm mReorderAlarm = new Alarm();
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private PreviewBackground mFolderCreateBg;
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private FolderIcon mDragOverFolderIcon = null;
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private boolean mCreateUserFolderOnDrop = false;
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private boolean mAddToExistingFolderOnDrop = false;
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// Variables relating to touch disambiguation (scrolling workspace vs. scrolling a widget)
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private float mXDown;
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private float mYDown;
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private View mFirstPagePinnedItem;
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private boolean mIsEventOverFirstPagePinnedItem;
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final static float START_DAMPING_TOUCH_SLOP_ANGLE = (float) Math.PI / 6;
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final static float MAX_SWIPE_ANGLE = (float) Math.PI / 3;
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final static float TOUCH_SLOP_DAMPING_FACTOR = 4;
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// Relating to the animation of items being dropped externally
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public static final int ANIMATE_INTO_POSITION_AND_DISAPPEAR = 0;
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public static final int ANIMATE_INTO_POSITION_AND_REMAIN = 1;
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public static final int ANIMATE_INTO_POSITION_AND_RESIZE = 2;
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public static final int COMPLETE_TWO_STAGE_WIDGET_DROP_ANIMATION = 3;
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public static final int CANCEL_TWO_STAGE_WIDGET_DROP_ANIMATION = 4;
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// Related to dragging, folder creation and reordering
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private static final int DRAG_MODE_NONE = 0;
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private static final int DRAG_MODE_CREATE_FOLDER = 1;
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private static final int DRAG_MODE_ADD_TO_FOLDER = 2;
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private static final int DRAG_MODE_REORDER = 3;
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protected int mDragMode = DRAG_MODE_NONE;
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@Thunk
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int mLastReorderX = -1;
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@Thunk
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int mLastReorderY = -1;
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private SparseArray<Parcelable> mSavedStates;
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private final IntArray mRestoredPages = new IntArray();
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private float mCurrentScale;
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private float mTransitionProgress;
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// State related to Launcher Overlay
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private OverlayEdgeEffect mOverlayEdgeEffect;
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private boolean mOverlayShown = false;
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private float mOverlayProgress; // 1 -> overlay completely visible, 0 -> home visible
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private final List<LauncherOverlayCallbacks> mOverlayCallbacks = new ArrayList<>();
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private boolean mForceDrawAdjacentPages = false;
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// Handles workspace state transitions
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private final WorkspaceStateTransitionAnimation mStateTransitionAnimation;
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private final StatsLogManager mStatsLogManager;
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/**
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* Used to inflate the Workspace from XML.
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*
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* @param context The application's context.
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* @param attrs The attributes set containing the Workspace's customization values.
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*/
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public Workspace(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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}
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/**
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* Used to inflate the Workspace from XML.
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*
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* @param context The application's context.
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* @param attrs The attributes set containing the Workspace's customization values.
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* @param defStyle Unused.
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*/
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public Workspace(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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mLauncher = Launcher.getLauncher(context);
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mStateTransitionAnimation = new WorkspaceStateTransitionAnimation(mLauncher, this);
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mWallpaperManager = WallpaperManager.getInstance(context);
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mAllAppsIconSize = mLauncher.getDeviceProfile().allAppsIconSizePx;
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mWallpaperOffset = new WallpaperOffsetInterpolator(this);
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setHapticFeedbackEnabled(false);
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initWorkspace();
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// Disable multitouch across the workspace/all apps/customize tray
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setMotionEventSplittingEnabled(true);
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setOnTouchListener(new WorkspaceTouchListener(mLauncher, this));
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mStatsLogManager = StatsLogManager.newInstance(context);
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}
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@Override
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public void setInsets(Rect insets) {
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DeviceProfile grid = mLauncher.getDeviceProfile();
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mWorkspaceFadeInAdjacentScreens = grid.shouldFadeAdjacentWorkspaceScreens();
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Rect padding = grid.workspacePadding;
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setPadding(padding.left, padding.top, padding.right, padding.bottom);
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mInsets.set(insets);
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if (mWorkspaceFadeInAdjacentScreens) {
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// In landscape mode the page spacing is set to the default.
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setPageSpacing(grid.edgeMarginPx);
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} else {
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// In portrait, we want the pages spaced such that there is no
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// overhang of the previous / next page into the current page viewport.
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// We assume symmetrical padding in portrait mode.
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int maxInsets = Math.max(insets.left, insets.right);
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int maxPadding = Math.max(grid.edgeMarginPx, padding.left + 1);
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setPageSpacing(Math.max(maxInsets, maxPadding));
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}
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updateCellLayoutPadding();
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updateWorkspaceWidgetsSizes();
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setPageIndicatorInset();
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}
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private void setPageIndicatorInset() {
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DeviceProfile grid = mLauncher.getDeviceProfile();
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FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) mPageIndicator.getLayoutParams();
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// Set insets for page indicator
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Rect padding = grid.workspacePadding;
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if (grid.isVerticalBarLayout()) {
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lp.leftMargin = padding.left + grid.workspaceCellPaddingXPx;
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lp.rightMargin = padding.right + grid.workspaceCellPaddingXPx;
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lp.bottomMargin = padding.bottom;
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} else {
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lp.leftMargin = lp.rightMargin = 0;
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lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
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lp.bottomMargin = grid.hotseatBarSizePx;
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}
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mPageIndicator.setLayoutParams(lp);
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}
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private void updateCellLayoutPadding() {
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Rect padding = mLauncher.getDeviceProfile().cellLayoutPaddingPx;
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mWorkspaceScreens.forEach(
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s -> s.setPadding(padding.left, padding.top, padding.right, padding.bottom));
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}
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private void updateWorkspaceWidgetsSizes() {
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int numberOfScreens = mScreenOrder.size();
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for (int i = 0; i < numberOfScreens; i++) {
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ShortcutAndWidgetContainer shortcutAndWidgetContainer =
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mWorkspaceScreens.get(mScreenOrder.get(i)).getShortcutsAndWidgets();
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int shortcutsAndWidgetCount = shortcutAndWidgetContainer.getChildCount();
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for (int j = 0; j < shortcutsAndWidgetCount; j++) {
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View view = shortcutAndWidgetContainer.getChildAt(j);
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if (view instanceof LauncherAppWidgetHostView
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&& view.getTag() instanceof LauncherAppWidgetInfo) {
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LauncherAppWidgetInfo launcherAppWidgetInfo =
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(LauncherAppWidgetInfo) view.getTag();
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WidgetSizes.updateWidgetSizeRanges((LauncherAppWidgetHostView) view,
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mLauncher, launcherAppWidgetInfo.spanX, launcherAppWidgetInfo.spanY);
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}
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}
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}
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}
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/**
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* Estimates the size of an item using spans: hSpan, vSpan.
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*
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* @return MAX_VALUE for each dimension if unsuccessful.
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*/
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public int[] estimateItemSize(ItemInfo itemInfo) {
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int[] size = new int[2];
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if (getChildCount() > 0) {
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// Use the first page to estimate the child position
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CellLayout cl = (CellLayout) getChildAt(0);
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boolean isWidget = itemInfo.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET;
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Rect r = estimateItemPosition(cl, 0, 0, itemInfo.spanX, itemInfo.spanY);
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float scale = 1;
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if (isWidget) {
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DeviceProfile profile = mLauncher.getDeviceProfile();
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final PointF appWidgetScale = profile.getAppWidgetScale(null);
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scale = Utilities.shrinkRect(r, appWidgetScale.x, appWidgetScale.y);
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}
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size[0] = r.width();
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size[1] = r.height();
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if (isWidget) {
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size[0] /= scale;
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size[1] /= scale;
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}
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return size;
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} else {
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size[0] = Integer.MAX_VALUE;
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size[1] = Integer.MAX_VALUE;
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return size;
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}
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}
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public float getWallpaperOffsetForCenterPage() {
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return getWallpaperOffsetForPage(getPageNearestToCenterOfScreen());
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}
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private float getWallpaperOffsetForPage(int page) {
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int pageScroll = getScrollForPage(page);
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return mWallpaperOffset.wallpaperOffsetForScroll(pageScroll);
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}
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/**
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* Returns the number of pages used for the wallpaper parallax.
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*/
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public int getNumPagesForWallpaperParallax() {
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return mWallpaperOffset.getNumPagesForWallpaperParallax();
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}
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public Rect estimateItemPosition(CellLayout cl, int hCell, int vCell, int hSpan, int vSpan) {
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Rect r = new Rect();
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cl.cellToRect(hCell, vCell, hSpan, vSpan, r);
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return r;
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}
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@Override
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public void onDragStart(DragObject dragObject, DragOptions options) {
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if (ENFORCE_DRAG_EVENT_ORDER) {
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enforceDragParity("onDragStart", 0, 0);
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}
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|
|
if (mDragInfo != null && mDragInfo.cell != null) {
|
|
CellLayout layout = (CellLayout) (mDragInfo.cell instanceof LauncherAppWidgetHostView
|
|
? dragObject.dragView.getContentViewParent().getParent()
|
|
: mDragInfo.cell.getParent().getParent());
|
|
layout.markCellsAsUnoccupiedForView(mDragInfo.cell);
|
|
}
|
|
|
|
updateChildrenLayersEnabled();
|
|
|
|
// Do not add a new page if it is a accessible drag which was not started by the workspace.
|
|
// We do not support accessibility drag from other sources and instead provide a direct
|
|
// action for move/add to homescreen.
|
|
// When a accessible drag is started by the folder, we only allow rearranging withing the
|
|
// folder.
|
|
boolean addNewPage = !(options.isAccessibleDrag && dragObject.dragSource != this);
|
|
if (addNewPage) {
|
|
mDeferRemoveExtraEmptyScreen = false;
|
|
addExtraEmptyScreenOnDrag(dragObject);
|
|
|
|
if (dragObject.dragInfo.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET
|
|
&& dragObject.dragSource != this) {
|
|
// When dragging a widget from different source, move to a page which has
|
|
// enough space to place this widget (after rearranging/resizing). We special case
|
|
// widgets as they cannot be placed inside a folder.
|
|
// Start at the current page and search right (on LTR) until finding a page with
|
|
// enough space. Since an empty screen is the furthest right, a page must be found.
|
|
int currentPage = getDestinationPage();
|
|
for (int pageIndex = currentPage; pageIndex < getPageCount(); pageIndex++) {
|
|
CellLayout page = (CellLayout) getPageAt(pageIndex);
|
|
if (page.hasReorderSolution(dragObject.dragInfo)) {
|
|
setCurrentPage(pageIndex);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!mLauncher.isInState(EDIT_MODE)) {
|
|
mLauncher.getStateManager().goToState(SPRING_LOADED);
|
|
}
|
|
mStatsLogManager.logger().withItemInfo(dragObject.dragInfo)
|
|
.withInstanceId(dragObject.logInstanceId)
|
|
.log(LauncherEvent.LAUNCHER_ITEM_DRAG_STARTED);
|
|
}
|
|
|
|
private boolean isTwoPanelEnabled() {
|
|
return !FOLDABLE_SINGLE_PAGE.get() && mLauncher.mDeviceProfile.isTwoPanels;
|
|
}
|
|
|
|
@Override
|
|
public int getPanelCount() {
|
|
return isTwoPanelEnabled() ? 2 : super.getPanelCount();
|
|
}
|
|
|
|
public void deferRemoveExtraEmptyScreen() {
|
|
mDeferRemoveExtraEmptyScreen = true;
|
|
}
|
|
|
|
@Override
|
|
public void onDragEnd() {
|
|
if (ENFORCE_DRAG_EVENT_ORDER) {
|
|
enforceDragParity("onDragEnd", 0, 0);
|
|
}
|
|
|
|
updateChildrenLayersEnabled();
|
|
StateManager<LauncherState> stateManager = mLauncher.getStateManager();
|
|
stateManager.addStateListener(new StateManager.StateListener<LauncherState>() {
|
|
@Override
|
|
public void onStateTransitionComplete(LauncherState finalState) {
|
|
if (finalState == NORMAL) {
|
|
if (!mDeferRemoveExtraEmptyScreen) {
|
|
removeExtraEmptyScreen(true /* stripEmptyScreens */);
|
|
}
|
|
stateManager.removeStateListener(this);
|
|
}
|
|
}
|
|
});
|
|
|
|
mDragInfo = null;
|
|
mDragSourceInternal = null;
|
|
}
|
|
|
|
/**
|
|
* Initializes various states for this workspace.
|
|
*/
|
|
protected void initWorkspace() {
|
|
mCurrentPage = DEFAULT_PAGE;
|
|
setClipToPadding(false);
|
|
|
|
setupLayoutTransition();
|
|
|
|
// Set the wallpaper dimensions when Launcher starts up
|
|
setWallpaperDimension();
|
|
}
|
|
|
|
private void setupLayoutTransition() {
|
|
// We want to show layout transitions when pages are deleted, to close the gap.
|
|
mLayoutTransition = new LayoutTransition();
|
|
|
|
mLayoutTransition.enableTransitionType(LayoutTransition.DISAPPEARING);
|
|
mLayoutTransition.enableTransitionType(LayoutTransition.CHANGE_DISAPPEARING);
|
|
// Change the interpolators such that the fade animation plays before the move animation.
|
|
// This prevents empty adjacent pages to overlay during animation
|
|
mLayoutTransition.setInterpolator(LayoutTransition.DISAPPEARING,
|
|
Interpolators.clampToProgress(Interpolators.ACCELERATE_DECELERATE, 0, 0.5f));
|
|
mLayoutTransition.setInterpolator(LayoutTransition.CHANGE_DISAPPEARING,
|
|
Interpolators.clampToProgress(Interpolators.ACCELERATE_DECELERATE, 0.5f, 1));
|
|
|
|
mLayoutTransition.disableTransitionType(LayoutTransition.APPEARING);
|
|
mLayoutTransition.disableTransitionType(LayoutTransition.CHANGE_APPEARING);
|
|
setLayoutTransition(mLayoutTransition);
|
|
}
|
|
|
|
void enableLayoutTransitions() {
|
|
setLayoutTransition(mLayoutTransition);
|
|
}
|
|
|
|
void disableLayoutTransitions() {
|
|
setLayoutTransition(null);
|
|
}
|
|
|
|
@Override
|
|
public void onViewAdded(View child) {
|
|
if (!(child instanceof CellLayout)) {
|
|
throw new IllegalArgumentException("A Workspace can only have CellLayout children.");
|
|
}
|
|
CellLayout cl = ((CellLayout) child);
|
|
cl.setOnInterceptTouchListener(this);
|
|
cl.setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_NO);
|
|
super.onViewAdded(child);
|
|
}
|
|
|
|
/**
|
|
* Initializes and binds the first page
|
|
*/
|
|
public void bindAndInitFirstWorkspaceScreen() {
|
|
if (!FeatureFlags.QSB_ON_FIRST_SCREEN) {
|
|
return;
|
|
}
|
|
|
|
// Add the first page
|
|
CellLayout firstPage = insertNewWorkspaceScreen(Workspace.FIRST_SCREEN_ID, getChildCount());
|
|
// Always add a first page pinned widget on the first screen.
|
|
if (mFirstPagePinnedItem == null) {
|
|
// In transposed layout, we add the first page pinned widget in the Grid.
|
|
// As workspace does not touch the edges, we do not need a full
|
|
// width first page pinned widget.
|
|
mFirstPagePinnedItem = LayoutInflater.from(getContext())
|
|
.inflate(R.layout.search_container_workspace, firstPage, false);
|
|
}
|
|
|
|
int cellHSpan = mLauncher.getDeviceProfile().inv.numSearchContainerColumns;
|
|
CellLayoutLayoutParams lp = new CellLayoutLayoutParams(0, 0, cellHSpan, 1);
|
|
lp.canReorder = false;
|
|
if (!firstPage.addViewToCellLayout(
|
|
mFirstPagePinnedItem, 0, R.id.search_container_workspace, lp, true)) {
|
|
Log.e(TAG, "Failed to add to item at (0, 0) to CellLayout");
|
|
mFirstPagePinnedItem = null;
|
|
}
|
|
}
|
|
|
|
public void removeAllWorkspaceScreens() {
|
|
// Disable all layout transitions before removing all pages to ensure that we don't get the
|
|
// transition animations competing with us changing the scroll when we add pages
|
|
disableLayoutTransitions();
|
|
|
|
// Recycle the first page pinned widget
|
|
if (mFirstPagePinnedItem != null) {
|
|
((ViewGroup) mFirstPagePinnedItem.getParent()).removeView(mFirstPagePinnedItem);
|
|
}
|
|
|
|
// Remove the pages and clear the screen models
|
|
removeFolderListeners();
|
|
removeAllViews();
|
|
mScreenOrder.clear();
|
|
mWorkspaceScreens.clear();
|
|
|
|
// Remove any deferred refresh callbacks
|
|
mLauncher.mHandler.removeCallbacksAndMessages(DeferredWidgetRefresh.class);
|
|
|
|
// Ensure that the first page is always present
|
|
bindAndInitFirstWorkspaceScreen();
|
|
|
|
// Re-enable the layout transitions
|
|
enableLayoutTransitions();
|
|
}
|
|
|
|
public void insertNewWorkspaceScreenBeforeEmptyScreen(int screenId) {
|
|
// Find the index to insert this view into. If the empty screen exists, then
|
|
// insert it before that.
|
|
int insertIndex = mScreenOrder.indexOf(EXTRA_EMPTY_SCREEN_ID);
|
|
if (insertIndex < 0) {
|
|
insertIndex = mScreenOrder.size();
|
|
}
|
|
insertNewWorkspaceScreen(screenId, insertIndex);
|
|
}
|
|
|
|
public void insertNewWorkspaceScreen(int screenId) {
|
|
insertNewWorkspaceScreen(screenId, getChildCount());
|
|
}
|
|
|
|
public CellLayout insertNewWorkspaceScreen(int screenId, int insertIndex) {
|
|
if (mWorkspaceScreens.containsKey(screenId)) {
|
|
throw new RuntimeException("Screen id " + screenId + " already exists!");
|
|
}
|
|
|
|
// Inflate the cell layout, but do not add it automatically so that we can get the newly
|
|
// created CellLayout.
|
|
DeviceProfile dp = mLauncher.getDeviceProfile();
|
|
CellLayout newScreen;
|
|
if (FOLDABLE_SINGLE_PAGE.get() && dp.isTwoPanels) {
|
|
newScreen = (CellLayout) LayoutInflater.from(getContext()).inflate(
|
|
R.layout.workspace_screen_foldable, this, false /* attachToRoot */);
|
|
} else {
|
|
newScreen = (CellLayout) LayoutInflater.from(getContext()).inflate(
|
|
R.layout.workspace_screen, this, false /* attachToRoot */);
|
|
}
|
|
|
|
mWorkspaceScreens.put(screenId, newScreen);
|
|
mScreenOrder.add(insertIndex, screenId);
|
|
addView(newScreen, insertIndex);
|
|
mStateTransitionAnimation.applyChildState(
|
|
mLauncher.getStateManager().getState(), newScreen, insertIndex);
|
|
|
|
updatePageScrollValues();
|
|
updateCellLayoutPadding();
|
|
return newScreen;
|
|
}
|
|
|
|
private void addExtraEmptyScreenOnDrag(DragObject dragObject) {
|
|
boolean lastChildOnScreen = false;
|
|
boolean childOnFinalScreen = false;
|
|
|
|
if (mDragSourceInternal != null) {
|
|
int dragSourceChildCount = mDragSourceInternal.getChildCount();
|
|
|
|
// If the icon was dragged from Hotseat, there is no page pair
|
|
if (isTwoPanelEnabled() && !(mDragSourceInternal.getParent() instanceof Hotseat)) {
|
|
int pagePairScreenId = getScreenPair(getCellPosMapper().mapModelToPresenter(
|
|
dragObject.dragInfo).screenId);
|
|
CellLayout pagePair = mWorkspaceScreens.get(pagePairScreenId);
|
|
dragSourceChildCount += pagePair.getShortcutsAndWidgets().getChildCount();
|
|
}
|
|
|
|
// When the drag view content is a LauncherAppWidgetHostView, we should increment the
|
|
// drag source child count by 1 because the widget in drag has been detached from its
|
|
// original parent, ShortcutAndWidgetContainer, and reattached to the DragView.
|
|
if (dragObject.dragView.getContentView() instanceof LauncherAppWidgetHostView) {
|
|
dragSourceChildCount++;
|
|
}
|
|
|
|
if (dragSourceChildCount == 1) {
|
|
lastChildOnScreen = true;
|
|
}
|
|
CellLayout cl = (CellLayout) mDragSourceInternal.getParent();
|
|
if (!FOLDABLE_SINGLE_PAGE.get() && getLeftmostVisiblePageForIndex(indexOfChild(cl))
|
|
== getLeftmostVisiblePageForIndex(getPageCount() - 1)) {
|
|
childOnFinalScreen = true;
|
|
}
|
|
}
|
|
|
|
// If this is the last item on the final screen
|
|
if (lastChildOnScreen && childOnFinalScreen) {
|
|
return;
|
|
}
|
|
|
|
forEachExtraEmptyPageId(extraEmptyPageId -> {
|
|
if (!mWorkspaceScreens.containsKey(extraEmptyPageId)) {
|
|
insertNewWorkspaceScreen(extraEmptyPageId);
|
|
}
|
|
});
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns if the given screenId is already in the Workspace
|
|
*/
|
|
public boolean containsScreenId(int screenId) {
|
|
return this.mWorkspaceScreens.containsKey(screenId);
|
|
}
|
|
|
|
/**
|
|
* Inserts extra empty pages to the end of the existing workspaces.
|
|
* Usually we add one extra empty screen, but when two panel home is enabled we add
|
|
* two extra screens.
|
|
**/
|
|
public void addExtraEmptyScreens() {
|
|
forEachExtraEmptyPageId(extraEmptyPageId -> {
|
|
if (!mWorkspaceScreens.containsKey(extraEmptyPageId)) {
|
|
insertNewWorkspaceScreen(extraEmptyPageId);
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Calls the consumer with all the necessary extra empty page IDs.
|
|
* On a normal one panel Workspace that means only EXTRA_EMPTY_SCREEN_ID,
|
|
* but in a two panel scenario this also includes EXTRA_EMPTY_SCREEN_SECOND_ID.
|
|
*/
|
|
private void forEachExtraEmptyPageId(Consumer<Integer> callback) {
|
|
callback.accept(EXTRA_EMPTY_SCREEN_ID);
|
|
if (isTwoPanelEnabled()) {
|
|
callback.accept(EXTRA_EMPTY_SCREEN_SECOND_ID);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* If two panel home is enabled we convert the last two screens that are visible at the same
|
|
* time. In other cases we only convert the last page.
|
|
*/
|
|
private void convertFinalScreenToEmptyScreenIfNecessary() {
|
|
if (mLauncher.isWorkspaceLoading()) {
|
|
// Invalid and dangerous operation if workspace is loading
|
|
return;
|
|
}
|
|
|
|
int panelCount = getPanelCount();
|
|
if (hasExtraEmptyScreens() || mScreenOrder.size() < panelCount) {
|
|
return;
|
|
}
|
|
|
|
SparseArray<CellLayout> finalScreens = new SparseArray<>();
|
|
|
|
int pageCount = mScreenOrder.size();
|
|
// First we add the last page(s) to the finalScreens collection. The number of final pages
|
|
// depends on the panel count.
|
|
for (int pageIndex = pageCount - panelCount; pageIndex < pageCount; pageIndex++) {
|
|
int screenId = mScreenOrder.get(pageIndex);
|
|
CellLayout screen = mWorkspaceScreens.get(screenId);
|
|
if (screen == null || screen.getShortcutsAndWidgets().getChildCount() != 0
|
|
|| screen.isDropPending()) {
|
|
// Final screen doesn't exist or it isn't empty or there's a pending drop
|
|
return;
|
|
}
|
|
finalScreens.append(screenId, screen);
|
|
}
|
|
|
|
// Then we remove the final screens from the collections (but not from the view hierarchy)
|
|
// and we store them as extra empty screens.
|
|
for (int i = 0; i < finalScreens.size(); i++) {
|
|
int screenId = finalScreens.keyAt(i);
|
|
CellLayout screen = finalScreens.get(screenId);
|
|
|
|
mWorkspaceScreens.remove(screenId);
|
|
mScreenOrder.removeValue(screenId);
|
|
|
|
int newScreenId = mWorkspaceScreens.containsKey(EXTRA_EMPTY_SCREEN_ID)
|
|
? EXTRA_EMPTY_SCREEN_SECOND_ID : EXTRA_EMPTY_SCREEN_ID;
|
|
mWorkspaceScreens.put(newScreenId, screen);
|
|
mScreenOrder.add(newScreenId);
|
|
}
|
|
}
|
|
|
|
public void removeExtraEmptyScreen(boolean stripEmptyScreens) {
|
|
removeExtraEmptyScreenDelayed(0, stripEmptyScreens, null);
|
|
}
|
|
|
|
/**
|
|
* The purpose of this method is to remove empty pages from Workspace.
|
|
* Empty page(s) from the end of mWorkspaceScreens will always be removed. The pages with
|
|
* ID = Workspace.EXTRA_EMPTY_SCREEN_IDS will be removed if there are other non-empty pages.
|
|
* If there are no more non-empty pages left, extra empty page(s) will either stay or get added.
|
|
* <p>
|
|
* If stripEmptyScreens is true, all empty pages (not just the ones on the end) will be removed
|
|
* from the Workspace, and if there are no more pages left then extra empty page(s) will be
|
|
* added.
|
|
* <p>
|
|
* The number of extra empty pages is equal to what getPanelCount() returns.
|
|
* <p>
|
|
* After the method returns the possible pages are:
|
|
* stripEmptyScreens = true : [non-empty pages, extra empty page(s) alone]
|
|
* stripEmptyScreens = false : [non-empty pages, empty pages (not in the end),
|
|
* extra empty page(s) alone]
|
|
*/
|
|
public void removeExtraEmptyScreenDelayed(
|
|
int delay, boolean stripEmptyScreens, Runnable onComplete) {
|
|
if (mLauncher.isWorkspaceLoading()) {
|
|
// Don't strip empty screens if the workspace is still loading
|
|
return;
|
|
}
|
|
|
|
if (delay > 0) {
|
|
postDelayed(
|
|
() -> removeExtraEmptyScreenDelayed(0, stripEmptyScreens, onComplete), delay);
|
|
return;
|
|
}
|
|
|
|
// First we convert the last page to an extra page if the last page is empty
|
|
// and we don't already have an extra page.
|
|
convertFinalScreenToEmptyScreenIfNecessary();
|
|
// Then we remove the extra page(s) if they are not the only pages left in Workspace.
|
|
if (hasExtraEmptyScreens()) {
|
|
forEachExtraEmptyPageId(extraEmptyPageId -> {
|
|
removeView(mWorkspaceScreens.get(extraEmptyPageId));
|
|
mWorkspaceScreens.remove(extraEmptyPageId);
|
|
mScreenOrder.removeValue(extraEmptyPageId);
|
|
});
|
|
|
|
setCurrentPage(getNextPage());
|
|
|
|
// Update the page indicator to reflect the removed page.
|
|
showPageIndicatorAtCurrentScroll();
|
|
}
|
|
|
|
if (stripEmptyScreens) {
|
|
// This will remove all empty pages from the Workspace. If there are no more pages left,
|
|
// it will add extra page(s) so that users can put items on at least one page.
|
|
stripEmptyScreens();
|
|
}
|
|
|
|
if (onComplete != null) {
|
|
onComplete.run();
|
|
}
|
|
}
|
|
|
|
public boolean hasExtraEmptyScreens() {
|
|
return mWorkspaceScreens.containsKey(EXTRA_EMPTY_SCREEN_ID)
|
|
&& getChildCount() > getPanelCount()
|
|
&& (!isTwoPanelEnabled()
|
|
|| mWorkspaceScreens.containsKey(EXTRA_EMPTY_SCREEN_SECOND_ID));
|
|
}
|
|
|
|
/**
|
|
* Commits the extra empty pages then returns the screen ids of those new screens.
|
|
* Usually there's only one extra empty screen, but when two panel home is enabled we commit
|
|
* two extra screens.
|
|
* <p>
|
|
* Returns an empty IntSet in case we cannot commit any new screens.
|
|
*/
|
|
public IntSet commitExtraEmptyScreens() {
|
|
if (mLauncher.isWorkspaceLoading()) {
|
|
// Invalid and dangerous operation if workspace is loading
|
|
return new IntSet();
|
|
}
|
|
|
|
IntSet extraEmptyPageIds = new IntSet();
|
|
forEachExtraEmptyPageId(extraEmptyPageId ->
|
|
extraEmptyPageIds.add(commitExtraEmptyScreen(extraEmptyPageId)));
|
|
|
|
return extraEmptyPageIds;
|
|
}
|
|
|
|
private int commitExtraEmptyScreen(int emptyScreenId) {
|
|
CellLayout cl = mWorkspaceScreens.get(emptyScreenId);
|
|
mWorkspaceScreens.remove(emptyScreenId);
|
|
mScreenOrder.removeValue(emptyScreenId);
|
|
|
|
int newScreenId = LauncherAppState.getInstance(getContext())
|
|
.getModel().getModelDbController().getNewScreenId();
|
|
// Launcher database isn't aware of empty pages that are already bound, so we need to
|
|
// skip those IDs manually.
|
|
while (mWorkspaceScreens.containsKey(newScreenId)) {
|
|
newScreenId++;
|
|
}
|
|
|
|
mWorkspaceScreens.put(newScreenId, cl);
|
|
mScreenOrder.add(newScreenId);
|
|
|
|
return newScreenId;
|
|
}
|
|
|
|
@Override
|
|
public Hotseat getHotseat() {
|
|
return mLauncher.getHotseat();
|
|
}
|
|
|
|
@Override
|
|
public void onAddDropTarget(DropTarget target) {
|
|
mDragController.addDropTarget(target);
|
|
}
|
|
|
|
@Override
|
|
public CellLayout getScreenWithId(int screenId) {
|
|
return mWorkspaceScreens.get(screenId);
|
|
}
|
|
|
|
public int getIdForScreen(CellLayout layout) {
|
|
int index = mWorkspaceScreens.indexOfValue(layout);
|
|
if (index != -1) {
|
|
return mWorkspaceScreens.keyAt(index);
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
public int getPageIndexForScreenId(int screenId) {
|
|
return indexOfChild(mWorkspaceScreens.get(screenId));
|
|
}
|
|
|
|
public IntSet getCurrentPageScreenIds() {
|
|
return IntSet.wrap(getScreenIdForPageIndex(getCurrentPage()));
|
|
}
|
|
|
|
public int getScreenIdForPageIndex(int index) {
|
|
if (0 <= index && index < mScreenOrder.size()) {
|
|
return mScreenOrder.get(index);
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
public IntArray getScreenOrder() {
|
|
return mScreenOrder;
|
|
}
|
|
|
|
/**
|
|
* Returns the screen ID of a page that is shown together with the given page screen ID when the
|
|
* two panel UI is enabled.
|
|
*/
|
|
public int getScreenPair(int screenId) {
|
|
if (screenId == EXTRA_EMPTY_SCREEN_ID) {
|
|
return EXTRA_EMPTY_SCREEN_SECOND_ID;
|
|
} else if (screenId == EXTRA_EMPTY_SCREEN_SECOND_ID) {
|
|
return EXTRA_EMPTY_SCREEN_ID;
|
|
} else if (screenId % 2 == 0) {
|
|
return screenId + 1;
|
|
} else {
|
|
return screenId - 1;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns {@link CellLayout} that is shown together with the given {@link CellLayout} when the
|
|
* two panel UI is enabled.
|
|
*/
|
|
@Nullable
|
|
public CellLayout getScreenPair(CellLayout cellLayout) {
|
|
if (!isTwoPanelEnabled()) {
|
|
return null;
|
|
}
|
|
int screenId = getIdForScreen(cellLayout);
|
|
if (screenId == -1) {
|
|
return null;
|
|
}
|
|
return getScreenWithId(getScreenPair(screenId));
|
|
}
|
|
|
|
public void stripEmptyScreens() {
|
|
if (mLauncher.isWorkspaceLoading()) {
|
|
// Don't strip empty screens if the workspace is still loading.
|
|
// This is dangerous and can result in data loss.
|
|
return;
|
|
}
|
|
|
|
if (isPageInTransition()) {
|
|
mStripScreensOnPageStopMoving = true;
|
|
return;
|
|
}
|
|
|
|
int currentPage = getNextPage();
|
|
IntArray removeScreens = new IntArray();
|
|
int total = mWorkspaceScreens.size();
|
|
for (int i = 0; i < total; i++) {
|
|
int id = mWorkspaceScreens.keyAt(i);
|
|
CellLayout cl = mWorkspaceScreens.valueAt(i);
|
|
// FIRST_SCREEN_ID can never be removed.
|
|
if ((!FeatureFlags.QSB_ON_FIRST_SCREEN || id > FIRST_SCREEN_ID)
|
|
&& cl.getShortcutsAndWidgets().getChildCount() == 0) {
|
|
removeScreens.add(id);
|
|
}
|
|
}
|
|
|
|
// When two panel home is enabled we only remove an empty page if both visible pages are
|
|
// empty.
|
|
if (isTwoPanelEnabled()) {
|
|
// We go through all the pages that were marked as removable and check their page pair
|
|
Iterator<Integer> removeScreensIterator = removeScreens.iterator();
|
|
while (removeScreensIterator.hasNext()) {
|
|
int pageToRemove = removeScreensIterator.next();
|
|
int pagePair = getScreenPair(pageToRemove);
|
|
if (!removeScreens.contains(pagePair)) {
|
|
// The page pair isn't empty so we want to remove the current page from the
|
|
// removable pages' collection
|
|
removeScreensIterator.remove();
|
|
}
|
|
}
|
|
}
|
|
|
|
// We enforce at least one page (two pages on two panel home) to add new items to.
|
|
// In the case that we remove the last such screen(s), we convert the last screen(s)
|
|
// to the empty screen(s)
|
|
int minScreens = getPanelCount();
|
|
|
|
int pageShift = 0;
|
|
for (int i = 0; i < removeScreens.size(); i++) {
|
|
int id = removeScreens.get(i);
|
|
CellLayout cl = mWorkspaceScreens.get(id);
|
|
mWorkspaceScreens.remove(id);
|
|
mScreenOrder.removeValue(id);
|
|
|
|
if (getChildCount() > minScreens) {
|
|
// If this isn't the last page, just remove it
|
|
if (indexOfChild(cl) < currentPage) {
|
|
pageShift++;
|
|
}
|
|
removeView(cl);
|
|
} else {
|
|
// The last page(s) should be converted into extra empty page(s)
|
|
int extraScreenId = isTwoPanelEnabled() && id % 2 == 1
|
|
// This is the right panel in a two panel scenario
|
|
? EXTRA_EMPTY_SCREEN_SECOND_ID
|
|
// This is either the last screen in a one panel scenario, or the left panel
|
|
// in a two panel scenario when there are only two empty pages left
|
|
: EXTRA_EMPTY_SCREEN_ID;
|
|
mWorkspaceScreens.put(extraScreenId, cl);
|
|
mScreenOrder.add(extraScreenId);
|
|
}
|
|
}
|
|
|
|
if (pageShift >= 0) {
|
|
setCurrentPage(currentPage - pageShift);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Needed here because launcher has a fullscreen exclusion rect and doesn't pilfer the pointers.
|
|
*/
|
|
@Override
|
|
public boolean onInterceptTouchEvent(MotionEvent ev) {
|
|
if (isTrackpadMultiFingerSwipe(ev)) {
|
|
return false;
|
|
}
|
|
return super.onInterceptTouchEvent(ev);
|
|
}
|
|
|
|
/**
|
|
* Needed here because launcher has a fullscreen exclusion rect and doesn't pilfer the pointers.
|
|
*/
|
|
@SuppressLint("ClickableViewAccessibility")
|
|
@Override
|
|
public boolean onTouchEvent(MotionEvent ev) {
|
|
if (isTrackpadMultiFingerSwipe(ev)) {
|
|
return false;
|
|
}
|
|
return super.onTouchEvent(ev);
|
|
}
|
|
|
|
/**
|
|
* Called directly from a CellLayout (not by the framework), after we've been added as a
|
|
* listener via setOnInterceptTouchEventListener(). This allows us to tell the CellLayout
|
|
* that it should intercept touch events, which is not something that is normally supported.
|
|
*/
|
|
@SuppressLint("ClickableViewAccessibility")
|
|
@Override
|
|
public boolean onTouch(View v, MotionEvent event) {
|
|
return shouldConsumeTouch(v);
|
|
}
|
|
|
|
private boolean shouldConsumeTouch(View v) {
|
|
return !workspaceIconsCanBeDragged()
|
|
|| (!workspaceInModalState() && !isVisible(v));
|
|
}
|
|
|
|
public boolean isSwitchingState() {
|
|
return mIsSwitchingState;
|
|
}
|
|
|
|
/**
|
|
* This differs from isSwitchingState in that we take into account how far the transition
|
|
* has completed.
|
|
*/
|
|
public boolean isFinishedSwitchingState() {
|
|
return !mIsSwitchingState
|
|
|| (mTransitionProgress > FINISHED_SWITCHING_STATE_TRANSITION_PROGRESS);
|
|
}
|
|
|
|
@Override
|
|
public boolean dispatchUnhandledMove(View focused, int direction) {
|
|
if (workspaceInModalState() || !isFinishedSwitchingState()) {
|
|
// when the home screens are shrunken, shouldn't allow side-scrolling
|
|
return false;
|
|
}
|
|
return super.dispatchUnhandledMove(focused, direction);
|
|
}
|
|
|
|
@Override
|
|
protected void updateIsBeingDraggedOnTouchDown(MotionEvent ev) {
|
|
super.updateIsBeingDraggedOnTouchDown(ev);
|
|
|
|
mXDown = ev.getX();
|
|
mYDown = ev.getY();
|
|
if (mFirstPagePinnedItem != null) {
|
|
final float[] tempFXY = new float[2];
|
|
tempFXY[0] = mXDown;
|
|
tempFXY[1] = mYDown;
|
|
Utilities.mapCoordInSelfToDescendant(mFirstPagePinnedItem, this, tempFXY);
|
|
mIsEventOverFirstPagePinnedItem = mFirstPagePinnedItem.getLeft() <= tempFXY[0]
|
|
&& mFirstPagePinnedItem.getRight() >= tempFXY[0]
|
|
&& mFirstPagePinnedItem.getTop() <= tempFXY[1]
|
|
&& mFirstPagePinnedItem.getBottom() >= tempFXY[1];
|
|
} else {
|
|
mIsEventOverFirstPagePinnedItem = false;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
protected void determineScrollingStart(MotionEvent ev) {
|
|
if (!isFinishedSwitchingState() || mIsEventOverFirstPagePinnedItem) return;
|
|
|
|
float deltaX = ev.getX() - mXDown;
|
|
float absDeltaX = Math.abs(deltaX);
|
|
float absDeltaY = Math.abs(ev.getY() - mYDown);
|
|
|
|
if (Float.compare(absDeltaX, 0f) == 0) return;
|
|
|
|
float slope = absDeltaY / absDeltaX;
|
|
float theta = (float) Math.atan(slope);
|
|
|
|
if (absDeltaX > mTouchSlop || absDeltaY > mTouchSlop) {
|
|
cancelCurrentPageLongPress();
|
|
}
|
|
|
|
if (theta > MAX_SWIPE_ANGLE) {
|
|
// Above MAX_SWIPE_ANGLE, we don't want to ever start scrolling the workspace
|
|
return;
|
|
} else if (theta > START_DAMPING_TOUCH_SLOP_ANGLE) {
|
|
// Above START_DAMPING_TOUCH_SLOP_ANGLE and below MAX_SWIPE_ANGLE, we want to
|
|
// increase the touch slop to make it harder to begin scrolling the workspace. This
|
|
// results in vertically scrolling widgets to more easily. The higher the angle, the
|
|
// more we increase touch slop.
|
|
theta -= START_DAMPING_TOUCH_SLOP_ANGLE;
|
|
float extraRatio = (float)
|
|
Math.sqrt((theta / (MAX_SWIPE_ANGLE - START_DAMPING_TOUCH_SLOP_ANGLE)));
|
|
super.determineScrollingStart(ev, 1 + TOUCH_SLOP_DAMPING_FACTOR * extraRatio);
|
|
} else {
|
|
// Below START_DAMPING_TOUCH_SLOP_ANGLE, we don't do anything special
|
|
super.determineScrollingStart(ev);
|
|
}
|
|
}
|
|
|
|
protected void onPageBeginTransition() {
|
|
super.onPageBeginTransition();
|
|
updateChildrenLayersEnabled();
|
|
}
|
|
|
|
protected void onPageEndTransition() {
|
|
super.onPageEndTransition();
|
|
updateChildrenLayersEnabled();
|
|
|
|
if (mDragController.isDragging()) {
|
|
if (workspaceInModalState()) {
|
|
// If we are in springloaded mode, then force an event to check if the current touch
|
|
// is under a new page (to scroll to)
|
|
mDragController.forceTouchMove();
|
|
}
|
|
}
|
|
|
|
if (mStripScreensOnPageStopMoving) {
|
|
stripEmptyScreens();
|
|
mStripScreensOnPageStopMoving = false;
|
|
}
|
|
|
|
// Inform the Launcher activity that the page transition ended so that it can react to the
|
|
// newly visible page if it wants to.
|
|
mLauncher.onPageEndTransition();
|
|
}
|
|
|
|
public void setLauncherOverlay(LauncherOverlay overlay) {
|
|
final EdgeEffectCompat newEffect;
|
|
if (overlay == null) {
|
|
newEffect = new EdgeEffectCompat(getContext());
|
|
mOverlayEdgeEffect = null;
|
|
} else {
|
|
newEffect = mOverlayEdgeEffect = new OverlayEdgeEffect(getContext(), overlay);
|
|
overlay.setOverlayCallbacks(this);
|
|
}
|
|
|
|
if (mIsRtl) {
|
|
mEdgeGlowRight = newEffect;
|
|
} else {
|
|
mEdgeGlowLeft = newEffect;
|
|
}
|
|
onOverlayScrollChanged(0);
|
|
}
|
|
|
|
public boolean hasOverlay() {
|
|
return mOverlayEdgeEffect != null;
|
|
}
|
|
|
|
@Override
|
|
protected void snapToDestination() {
|
|
if (mOverlayEdgeEffect != null && !mOverlayEdgeEffect.isFinished()) {
|
|
snapToPageImmediately(0);
|
|
} else {
|
|
super.snapToDestination();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
protected void onScrollChanged(int l, int t, int oldl, int oldt) {
|
|
super.onScrollChanged(l, t, oldl, oldt);
|
|
|
|
// Update the page indicator progress.
|
|
// Unlike from other states, we show the page indicator when transitioning from HINT_STATE.
|
|
boolean isSwitchingState = mIsSwitchingState
|
|
&& mLauncher.getStateManager().getCurrentStableState() != HINT_STATE;
|
|
boolean isTransitioning = isSwitchingState
|
|
|| (getLayoutTransition() != null && getLayoutTransition().isRunning());
|
|
if (!isTransitioning) {
|
|
showPageIndicatorAtCurrentScroll();
|
|
}
|
|
|
|
updatePageAlphaValues();
|
|
updatePageScrollValues();
|
|
enableHwLayersOnVisiblePages();
|
|
}
|
|
|
|
public void showPageIndicatorAtCurrentScroll() {
|
|
if (mPageIndicator != null) {
|
|
mPageIndicator.setScroll(getScrollX(), computeMaxScroll());
|
|
}
|
|
}
|
|
|
|
@Override
|
|
protected boolean shouldFlingForVelocity(int velocityX) {
|
|
// When the overlay is moving, the fling or settle transition is controlled by the overlay.
|
|
return Float.compare(Math.abs(mOverlayProgress), 0) == 0
|
|
&& super.shouldFlingForVelocity(velocityX);
|
|
}
|
|
|
|
/**
|
|
* The overlay scroll is being controlled locally, just update our overlay effect
|
|
*/
|
|
@Override
|
|
public void onOverlayScrollChanged(float scroll) {
|
|
mOverlayProgress = Utilities.boundToRange(scroll, 0, 1);
|
|
if (Float.compare(mOverlayProgress, 1f) == 0) {
|
|
if (!mOverlayShown) {
|
|
mOverlayShown = true;
|
|
mLauncher.onOverlayVisibilityChanged(true);
|
|
}
|
|
} else if (Float.compare(mOverlayProgress, 0f) == 0) {
|
|
if (mOverlayShown) {
|
|
mOverlayShown = false;
|
|
mLauncher.onOverlayVisibilityChanged(false);
|
|
}
|
|
}
|
|
int count = mOverlayCallbacks.size();
|
|
for (int i = 0; i < count; i++) {
|
|
mOverlayCallbacks.get(i).onOverlayScrollChanged(mOverlayProgress);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Adds a callback for receiving overlay progress
|
|
*/
|
|
public void addOverlayCallback(LauncherOverlayCallbacks callback) {
|
|
mOverlayCallbacks.add(callback);
|
|
callback.onOverlayScrollChanged(mOverlayProgress);
|
|
}
|
|
|
|
/**
|
|
* Removes a previously added overlay progress callback
|
|
*/
|
|
public void removeOverlayCallback(LauncherOverlayCallbacks callback) {
|
|
mOverlayCallbacks.remove(callback);
|
|
}
|
|
|
|
@Override
|
|
protected void notifyPageSwitchListener(int prevPage) {
|
|
super.notifyPageSwitchListener(prevPage);
|
|
if (prevPage != mCurrentPage) {
|
|
StatsLogManager.EventEnum event = (prevPage < mCurrentPage)
|
|
? LAUNCHER_SWIPERIGHT : LAUNCHER_SWIPELEFT;
|
|
mLauncher.getStatsLogManager().logger()
|
|
.withSrcState(LAUNCHER_STATE_HOME)
|
|
.withDstState(LAUNCHER_STATE_HOME)
|
|
.withContainerInfo(LauncherAtom.ContainerInfo.newBuilder()
|
|
.setWorkspace(
|
|
LauncherAtom.WorkspaceContainer.newBuilder()
|
|
.setPageIndex(prevPage)).build())
|
|
.log(event);
|
|
}
|
|
}
|
|
|
|
protected void setWallpaperDimension() {
|
|
Executors.THREAD_POOL_EXECUTOR.execute(new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
final Point size = LauncherAppState.getIDP(getContext()).defaultWallpaperSize;
|
|
if (size.x != mWallpaperManager.getDesiredMinimumWidth()
|
|
|| size.y != mWallpaperManager.getDesiredMinimumHeight()) {
|
|
mWallpaperManager.suggestDesiredDimensions(size.x, size.y);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
public void lockWallpaperToDefaultPage() {
|
|
mWallpaperOffset.setLockToDefaultPage(true);
|
|
}
|
|
|
|
public void unlockWallpaperFromDefaultPageOnNextLayout() {
|
|
if (mWallpaperOffset.isLockedToDefaultPage()) {
|
|
mUnlockWallpaperFromDefaultPageOnLayout = true;
|
|
requestLayout();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void computeScroll() {
|
|
super.computeScroll();
|
|
mWallpaperOffset.syncWithScroll();
|
|
}
|
|
|
|
@Override
|
|
public void announceForAccessibility(CharSequence text) {
|
|
// Don't announce if apps is on top of us.
|
|
if (!mLauncher.isInState(ALL_APPS)) {
|
|
super.announceForAccessibility(text);
|
|
}
|
|
}
|
|
|
|
private void updatePageAlphaValues() {
|
|
// We need to check the isDragging case because updatePageAlphaValues is called between
|
|
// goToState(SPRING_LOADED) and onStartStateTransition.
|
|
if (!workspaceInModalState() && !mIsSwitchingState && !mDragController.isDragging()) {
|
|
int screenCenter = getScrollX() + getMeasuredWidth() / 2;
|
|
for (int i = 0; i < getChildCount(); i++) {
|
|
CellLayout child = (CellLayout) getChildAt(i);
|
|
if (child != null) {
|
|
float scrollProgress = getScrollProgress(screenCenter, child, i);
|
|
float alpha = 1 - Math.abs(scrollProgress);
|
|
if (mWorkspaceFadeInAdjacentScreens) {
|
|
child.getShortcutsAndWidgets().setAlpha(alpha);
|
|
} else {
|
|
// Pages that are off-screen aren't important for accessibility.
|
|
child.getShortcutsAndWidgets().setImportantForAccessibility(
|
|
alpha > 0 ? IMPORTANT_FOR_ACCESSIBILITY_AUTO
|
|
: IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private void updatePageScrollValues() {
|
|
int screenCenter = getScrollX() + getMeasuredWidth() / 2;
|
|
for (int i = 0; i < getChildCount(); i++) {
|
|
CellLayout child = (CellLayout) getChildAt(i);
|
|
if (child != null) {
|
|
float scrollProgress = getScrollProgress(screenCenter, child, i);
|
|
child.setScrollProgress(scrollProgress);
|
|
}
|
|
}
|
|
}
|
|
|
|
protected void onAttachedToWindow() {
|
|
super.onAttachedToWindow();
|
|
mWallpaperOffset.setWindowToken(getWindowToken());
|
|
computeScroll();
|
|
}
|
|
|
|
protected void onDetachedFromWindow() {
|
|
super.onDetachedFromWindow();
|
|
mWallpaperOffset.setWindowToken(null);
|
|
}
|
|
|
|
@Override
|
|
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
|
|
if (mUnlockWallpaperFromDefaultPageOnLayout) {
|
|
mWallpaperOffset.setLockToDefaultPage(false);
|
|
mUnlockWallpaperFromDefaultPageOnLayout = false;
|
|
}
|
|
if (mFirstLayout && mCurrentPage >= 0 && mCurrentPage < getChildCount()) {
|
|
mWallpaperOffset.syncWithScroll();
|
|
mWallpaperOffset.jumpToFinal();
|
|
}
|
|
super.onLayout(changed, left, top, right, bottom);
|
|
updatePageAlphaValues();
|
|
}
|
|
|
|
@Override
|
|
public int getDescendantFocusability() {
|
|
if (workspaceInModalState()) {
|
|
return ViewGroup.FOCUS_BLOCK_DESCENDANTS;
|
|
}
|
|
return super.getDescendantFocusability();
|
|
}
|
|
|
|
private boolean workspaceInModalState() {
|
|
return !mLauncher.isInState(NORMAL);
|
|
}
|
|
|
|
private boolean workspaceInScrollableState() {
|
|
return mLauncher.isInState(SPRING_LOADED) || mLauncher.isInState(EDIT_MODE)
|
|
|| !workspaceInModalState();
|
|
}
|
|
|
|
/**
|
|
* Returns whether a drag should be allowed to be started from the current workspace state.
|
|
*/
|
|
public boolean workspaceIconsCanBeDragged() {
|
|
return mLauncher.getStateManager().getState().hasFlag(FLAG_WORKSPACE_ICONS_CAN_BE_DRAGGED);
|
|
}
|
|
|
|
private void updateChildrenLayersEnabled() {
|
|
boolean enableChildrenLayers = mIsSwitchingState || isPageInTransition();
|
|
|
|
if (enableChildrenLayers != mChildrenLayersEnabled) {
|
|
mChildrenLayersEnabled = enableChildrenLayers;
|
|
if (mChildrenLayersEnabled) {
|
|
enableHwLayersOnVisiblePages();
|
|
} else {
|
|
for (int i = 0; i < getPageCount(); i++) {
|
|
final CellLayout cl = (CellLayout) getChildAt(i);
|
|
cl.enableHardwareLayer(false);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private void enableHwLayersOnVisiblePages() {
|
|
if (mChildrenLayersEnabled) {
|
|
final int screenCount = getChildCount();
|
|
|
|
final int[] visibleScreens = getVisibleChildrenRange();
|
|
int leftScreen = visibleScreens[0];
|
|
int rightScreen = visibleScreens[1];
|
|
if (mForceDrawAdjacentPages) {
|
|
// In overview mode, make sure that the two side pages are visible.
|
|
leftScreen = Utilities.boundToRange(getCurrentPage() - 1, 0, rightScreen);
|
|
rightScreen = Utilities.boundToRange(getCurrentPage() + 1,
|
|
leftScreen, getPageCount() - 1);
|
|
}
|
|
|
|
if (leftScreen == rightScreen) {
|
|
// make sure we're caching at least two pages always
|
|
if (rightScreen < screenCount - 1) {
|
|
rightScreen++;
|
|
} else if (leftScreen > 0) {
|
|
leftScreen--;
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < screenCount; i++) {
|
|
final CellLayout layout = (CellLayout) getPageAt(i);
|
|
// enable layers between left and right screen inclusive.
|
|
boolean enableLayer = leftScreen <= i && i <= rightScreen;
|
|
layout.enableHardwareLayer(enableLayer);
|
|
}
|
|
}
|
|
}
|
|
|
|
public void onWallpaperTap(MotionEvent ev) {
|
|
final int[] position = mTempXY;
|
|
getLocationOnScreen(position);
|
|
|
|
int pointerIndex = ev.getActionIndex();
|
|
position[0] += (int) ev.getX(pointerIndex);
|
|
position[1] += (int) ev.getY(pointerIndex);
|
|
|
|
mWallpaperManager.sendWallpaperCommand(getWindowToken(),
|
|
ev.getAction() == MotionEvent.ACTION_UP
|
|
? WallpaperManager.COMMAND_TAP : WallpaperManager.COMMAND_SECONDARY_TAP,
|
|
position[0], position[1], 0, null);
|
|
}
|
|
|
|
private void onStartStateTransition() {
|
|
mIsSwitchingState = true;
|
|
mTransitionProgress = 0;
|
|
|
|
updateChildrenLayersEnabled();
|
|
}
|
|
|
|
private void onEndStateTransition() {
|
|
mIsSwitchingState = false;
|
|
mForceDrawAdjacentPages = false;
|
|
mTransitionProgress = 1;
|
|
|
|
updateChildrenLayersEnabled();
|
|
updateAccessibilityFlags();
|
|
}
|
|
|
|
/**
|
|
* Sets the current workspace {@link LauncherState} and updates the UI without any animations
|
|
*/
|
|
@Override
|
|
public void setState(LauncherState toState) {
|
|
onStartStateTransition();
|
|
mLauncher.getStateManager().getState().onLeavingState(mLauncher, toState);
|
|
mStateTransitionAnimation.setState(toState);
|
|
onEndStateTransition();
|
|
}
|
|
|
|
/**
|
|
* Sets the current workspace {@link LauncherState}, then animates the UI
|
|
*/
|
|
@Override
|
|
public void setStateWithAnimation(
|
|
LauncherState toState, StateAnimationConfig config, PendingAnimation animation) {
|
|
StateTransitionListener listener = new StateTransitionListener();
|
|
mLauncher.getStateManager().getState().onLeavingState(mLauncher, toState);
|
|
mStateTransitionAnimation.setStateWithAnimation(toState, config, animation);
|
|
|
|
// Invalidate the pages now, so that we have the visible pages before the
|
|
// animation is started
|
|
if (toState.hasFlag(FLAG_MULTI_PAGE)) {
|
|
mForceDrawAdjacentPages = true;
|
|
}
|
|
invalidate(); // This will call dispatchDraw(), which calls getVisiblePages().
|
|
|
|
ValueAnimator stepAnimator = ValueAnimator.ofFloat(0, 1);
|
|
stepAnimator.addUpdateListener(listener);
|
|
stepAnimator.addListener(listener);
|
|
animation.add(stepAnimator);
|
|
}
|
|
|
|
public WorkspaceStateTransitionAnimation getStateTransitionAnimation() {
|
|
return mStateTransitionAnimation;
|
|
}
|
|
|
|
public void updateAccessibilityFlags() {
|
|
// TODO: Update the accessibility flags appropriately when dragging.
|
|
int accessibilityFlag =
|
|
mLauncher.getStateManager().getState().hasFlag(FLAG_WORKSPACE_INACCESSIBLE)
|
|
? IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS
|
|
: IMPORTANT_FOR_ACCESSIBILITY_AUTO;
|
|
if (!mLauncher.getAccessibilityDelegate().isInAccessibleDrag()) {
|
|
int total = getPageCount();
|
|
for (int i = 0; i < total; i++) {
|
|
updateAccessibilityFlags(accessibilityFlag, (CellLayout) getPageAt(i));
|
|
}
|
|
setImportantForAccessibility(accessibilityFlag);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public AccessibilityNodeInfo createAccessibilityNodeInfo() {
|
|
if (getImportantForAccessibility() == IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS) {
|
|
// TAPL tests verify that workspace is not present in Overview and AllApps states.
|
|
// TAPL can work only if UIDevice is set up as setCompressedLayoutHeirarchy(false).
|
|
// Hiding workspace from the tests when it's
|
|
// IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS.
|
|
return AccessibilityNodeInfo.obtain();
|
|
}
|
|
return super.createAccessibilityNodeInfo();
|
|
}
|
|
|
|
private void updateAccessibilityFlags(int accessibilityFlag, CellLayout page) {
|
|
page.setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_NO);
|
|
page.getShortcutsAndWidgets().setImportantForAccessibility(accessibilityFlag);
|
|
page.setContentDescription(null);
|
|
page.setAccessibilityDelegate(null);
|
|
}
|
|
|
|
public void startDrag(CellLayout.CellInfo cellInfo, DragOptions options) {
|
|
View child = cellInfo.cell;
|
|
|
|
mDragInfo = cellInfo;
|
|
child.setVisibility(INVISIBLE);
|
|
|
|
if (options.isAccessibleDrag) {
|
|
mDragController.addDragListener(
|
|
new AccessibleDragListenerAdapter(this, WorkspaceAccessibilityHelper::new) {
|
|
@Override
|
|
protected void enableAccessibleDrag(boolean enable) {
|
|
super.enableAccessibleDrag(enable);
|
|
setEnableForLayout(mLauncher.getHotseat(), enable);
|
|
}
|
|
});
|
|
}
|
|
|
|
beginDragShared(child, this, options);
|
|
}
|
|
|
|
public void beginDragShared(View child, DragSource source, DragOptions options) {
|
|
Object dragObject = child.getTag();
|
|
if (!(dragObject instanceof ItemInfo)) {
|
|
String msg = "Drag started with a view that has no tag set. This "
|
|
+ "will cause a crash (issue 11627249) down the line. "
|
|
+ "View: " + child + " tag: " + child.getTag();
|
|
throw new IllegalStateException(msg);
|
|
}
|
|
beginDragShared(child, null, source, (ItemInfo) dragObject,
|
|
new DragPreviewProvider(child), options);
|
|
}
|
|
|
|
/**
|
|
* Core functionality for beginning a drag operation for an item that will be dropped within
|
|
* the workspace
|
|
*/
|
|
public DragView beginDragShared(View child, DraggableView draggableView, DragSource source,
|
|
ItemInfo dragObject, DragPreviewProvider previewProvider, DragOptions dragOptions) {
|
|
|
|
float iconScale = 1f;
|
|
if (child instanceof BubbleTextView) {
|
|
Drawable icon = ((BubbleTextView) child).getIcon();
|
|
if (icon instanceof FastBitmapDrawable) {
|
|
iconScale = ((FastBitmapDrawable) icon).getAnimatedScale();
|
|
}
|
|
}
|
|
|
|
// Clear the pressed state if necessary
|
|
child.clearFocus();
|
|
child.setPressed(false);
|
|
if (child instanceof BubbleTextView) {
|
|
BubbleTextView icon = (BubbleTextView) child;
|
|
icon.clearPressedBackground();
|
|
}
|
|
|
|
if (draggableView == null && child instanceof DraggableView) {
|
|
draggableView = (DraggableView) child;
|
|
}
|
|
|
|
final View contentView = previewProvider.getContentView();
|
|
final float scale;
|
|
// The draggable drawable follows the touch point around on the screen
|
|
final Drawable drawable;
|
|
if (contentView == null) {
|
|
drawable = previewProvider.createDrawable();
|
|
scale = previewProvider.getScaleAndPosition(drawable, mTempXY);
|
|
} else {
|
|
drawable = null;
|
|
scale = previewProvider.getScaleAndPosition(contentView, mTempXY);
|
|
}
|
|
|
|
int dragLayerX = mTempXY[0];
|
|
int dragLayerY = mTempXY[1];
|
|
|
|
Rect dragRect = new Rect();
|
|
|
|
if (draggableView != null) {
|
|
draggableView.getSourceVisualDragBounds(dragRect);
|
|
dragLayerY += dragRect.top;
|
|
}
|
|
|
|
|
|
if (child.getParent() instanceof ShortcutAndWidgetContainer) {
|
|
mDragSourceInternal = (ShortcutAndWidgetContainer) child.getParent();
|
|
}
|
|
|
|
if (child instanceof BubbleTextView) {
|
|
BubbleTextView btv = (BubbleTextView) child;
|
|
if (!dragOptions.isAccessibleDrag) {
|
|
dragOptions.preDragCondition = btv.startLongPressAction();
|
|
}
|
|
if (btv.isDisplaySearchResult()) {
|
|
dragOptions.preDragEndScale = (float) mAllAppsIconSize / btv.getIconSize();
|
|
}
|
|
}
|
|
|
|
if (dragOptions.preDragCondition != null) {
|
|
int xDragOffSet = dragOptions.preDragCondition.getDragOffset().x;
|
|
int yDragOffSet = dragOptions.preDragCondition.getDragOffset().y;
|
|
if (xDragOffSet != 0 || yDragOffSet != 0) {
|
|
dragLayerX += xDragOffSet;
|
|
dragLayerY += yDragOffSet;
|
|
}
|
|
}
|
|
|
|
final DragView dv;
|
|
if (contentView instanceof View) {
|
|
if (contentView instanceof LauncherAppWidgetHostView) {
|
|
mDragController.addDragListener(new AppWidgetHostViewDragListener(mLauncher));
|
|
}
|
|
dv = mDragController.startDrag(
|
|
contentView,
|
|
draggableView,
|
|
dragLayerX,
|
|
dragLayerY,
|
|
source,
|
|
dragObject,
|
|
dragRect,
|
|
scale * iconScale,
|
|
scale,
|
|
dragOptions);
|
|
} else {
|
|
dv = mDragController.startDrag(
|
|
drawable,
|
|
draggableView,
|
|
dragLayerX,
|
|
dragLayerY,
|
|
source,
|
|
dragObject,
|
|
dragRect,
|
|
scale * iconScale,
|
|
scale,
|
|
dragOptions);
|
|
}
|
|
return dv;
|
|
}
|
|
|
|
private boolean transitionStateShouldAllowDrop() {
|
|
return (!isSwitchingState() || mTransitionProgress > ALLOW_DROP_TRANSITION_PROGRESS) &&
|
|
workspaceIconsCanBeDragged();
|
|
}
|
|
|
|
/**
|
|
* {@inheritDoc}
|
|
*/
|
|
@Override
|
|
public boolean acceptDrop(DragObject d) {
|
|
// If it's an external drop (e.g. from All Apps), check if it should be accepted
|
|
CellLayout dropTargetLayout = mDropToLayout;
|
|
if (d.dragSource != this) {
|
|
// Don't accept the drop if we're not over a valid drop target at time of drop
|
|
if (dropTargetLayout == null) {
|
|
return false;
|
|
}
|
|
if (!transitionStateShouldAllowDrop()) return false;
|
|
|
|
mDragViewVisualCenter = d.getVisualCenter(mDragViewVisualCenter);
|
|
|
|
// We want the point to be mapped to the dragTarget.
|
|
mapPointFromDropLayout(dropTargetLayout, mDragViewVisualCenter);
|
|
|
|
int spanX;
|
|
int spanY;
|
|
if (mDragInfo != null) {
|
|
final CellLayout.CellInfo dragCellInfo = mDragInfo;
|
|
spanX = dragCellInfo.spanX;
|
|
spanY = dragCellInfo.spanY;
|
|
} else {
|
|
spanX = d.dragInfo.spanX;
|
|
spanY = d.dragInfo.spanY;
|
|
}
|
|
|
|
int minSpanX = spanX;
|
|
int minSpanY = spanY;
|
|
if (d.dragInfo instanceof PendingAddWidgetInfo) {
|
|
minSpanX = ((PendingAddWidgetInfo) d.dragInfo).minSpanX;
|
|
minSpanY = ((PendingAddWidgetInfo) d.dragInfo).minSpanY;
|
|
}
|
|
|
|
mTargetCell = findNearestArea((int) mDragViewVisualCenter[0],
|
|
(int) mDragViewVisualCenter[1], minSpanX, minSpanY, dropTargetLayout,
|
|
mTargetCell);
|
|
float distance = dropTargetLayout.getDistanceFromWorkspaceCellVisualCenter(
|
|
mDragViewVisualCenter[0], mDragViewVisualCenter[1], mTargetCell);
|
|
if (mCreateUserFolderOnDrop && willCreateUserFolder(d.dragInfo,
|
|
dropTargetLayout, mTargetCell, distance, true)) {
|
|
return true;
|
|
}
|
|
|
|
if (mAddToExistingFolderOnDrop && willAddToExistingUserFolder(d.dragInfo,
|
|
dropTargetLayout, mTargetCell, distance)) {
|
|
return true;
|
|
}
|
|
|
|
int[] resultSpan = new int[2];
|
|
mTargetCell = dropTargetLayout.performReorder((int) mDragViewVisualCenter[0],
|
|
(int) mDragViewVisualCenter[1], minSpanX, minSpanY, spanX, spanY,
|
|
null, mTargetCell, resultSpan, CellLayout.MODE_ACCEPT_DROP);
|
|
boolean foundCell = mTargetCell[0] >= 0 && mTargetCell[1] >= 0;
|
|
|
|
// Don't accept the drop if there's no room for the item
|
|
if (!foundCell) {
|
|
onNoCellFound(dropTargetLayout, d.dragInfo, d.logInstanceId);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
int screenId = getIdForScreen(dropTargetLayout);
|
|
if (Workspace.EXTRA_EMPTY_SCREEN_IDS.contains(screenId)) {
|
|
commitExtraEmptyScreens();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
boolean willCreateUserFolder(ItemInfo info, CellLayout target, int[] targetCell,
|
|
float distance, boolean considerTimeout) {
|
|
if (distance > target.getFolderCreationRadius(targetCell)) return false;
|
|
View dropOverView = target.getChildAt(targetCell[0], targetCell[1]);
|
|
return willCreateUserFolder(info, dropOverView, considerTimeout);
|
|
}
|
|
|
|
boolean willCreateUserFolder(ItemInfo info, View dropOverView, boolean considerTimeout) {
|
|
if (dropOverView != null) {
|
|
CellLayoutLayoutParams lp = (CellLayoutLayoutParams) dropOverView.getLayoutParams();
|
|
if (lp.useTmpCoords && (lp.getTmpCellX() != lp.getCellX()
|
|
|| lp.getTmpCellY() != lp.getCellY())) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
boolean hasntMoved = false;
|
|
if (mDragInfo != null) {
|
|
hasntMoved = dropOverView == mDragInfo.cell;
|
|
}
|
|
|
|
if (dropOverView == null || hasntMoved || (considerTimeout && !mCreateUserFolderOnDrop)) {
|
|
return false;
|
|
}
|
|
|
|
boolean aboveShortcut = (dropOverView.getTag() instanceof WorkspaceItemInfo
|
|
&& ((WorkspaceItemInfo) dropOverView.getTag()).container
|
|
!= LauncherSettings.Favorites.CONTAINER_HOTSEAT_PREDICTION);
|
|
boolean willBecomeShortcut =
|
|
(info.itemType == ITEM_TYPE_APPLICATION ||
|
|
info.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT);
|
|
|
|
return (aboveShortcut && willBecomeShortcut);
|
|
}
|
|
|
|
boolean willAddToExistingUserFolder(ItemInfo dragInfo, CellLayout target, int[] targetCell,
|
|
float distance) {
|
|
if (distance > target.getFolderCreationRadius(targetCell)) return false;
|
|
View dropOverView = target.getChildAt(targetCell[0], targetCell[1]);
|
|
return willAddToExistingUserFolder(dragInfo, dropOverView);
|
|
|
|
}
|
|
|
|
boolean willAddToExistingUserFolder(ItemInfo dragInfo, View dropOverView) {
|
|
if (dropOverView != null) {
|
|
CellLayoutLayoutParams lp = (CellLayoutLayoutParams) dropOverView.getLayoutParams();
|
|
if (lp.useTmpCoords && (lp.getTmpCellX() != lp.getCellX()
|
|
|| lp.getTmpCellY() != lp.getCellY())) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (dropOverView instanceof FolderIcon) {
|
|
FolderIcon fi = (FolderIcon) dropOverView;
|
|
if (fi.acceptDrop(dragInfo)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
boolean createUserFolderIfNecessary(View newView, int container, CellLayout target,
|
|
int[] targetCell, float distance, boolean external, DragObject d) {
|
|
if (distance > target.getFolderCreationRadius(targetCell)) return false;
|
|
View v = target.getChildAt(targetCell[0], targetCell[1]);
|
|
|
|
boolean hasntMoved = false;
|
|
if (mDragInfo != null) {
|
|
CellLayout cellParent = getParentCellLayoutForView(mDragInfo.cell);
|
|
hasntMoved = (mDragInfo.cellX == targetCell[0] &&
|
|
mDragInfo.cellY == targetCell[1]) && (cellParent == target);
|
|
}
|
|
|
|
if (v == null || hasntMoved || !mCreateUserFolderOnDrop) return false;
|
|
mCreateUserFolderOnDrop = false;
|
|
final int screenId = getIdForScreen(target);
|
|
|
|
boolean aboveShortcut = (v.getTag() instanceof WorkspaceItemInfo);
|
|
boolean willBecomeShortcut = (newView.getTag() instanceof WorkspaceItemInfo);
|
|
|
|
if (aboveShortcut && willBecomeShortcut) {
|
|
WorkspaceItemInfo sourceInfo = (WorkspaceItemInfo) newView.getTag();
|
|
WorkspaceItemInfo destInfo = (WorkspaceItemInfo) v.getTag();
|
|
// if the drag started here, we need to remove it from the workspace
|
|
if (!external) {
|
|
getParentCellLayoutForView(mDragInfo.cell).removeView(mDragInfo.cell);
|
|
}
|
|
|
|
Rect folderLocation = new Rect();
|
|
float scale = mLauncher.getDragLayer().getDescendantRectRelativeToSelf(v, folderLocation);
|
|
target.removeView(v);
|
|
mStatsLogManager.logger().withItemInfo(destInfo).withInstanceId(d.logInstanceId)
|
|
.log(LauncherEvent.LAUNCHER_ITEM_DROP_FOLDER_CREATED);
|
|
FolderIcon fi = mLauncher.addFolder(target, container, screenId, targetCell[0],
|
|
targetCell[1]);
|
|
destInfo.cellX = -1;
|
|
destInfo.cellY = -1;
|
|
sourceInfo.cellX = -1;
|
|
sourceInfo.cellY = -1;
|
|
|
|
// If the dragView is null, we can't animate
|
|
boolean animate = d != null;
|
|
if (animate) {
|
|
// In order to keep everything continuous, we hand off the currently rendered
|
|
// folder background to the newly created icon. This preserves animation state.
|
|
fi.setFolderBackground(mFolderCreateBg);
|
|
mFolderCreateBg = new PreviewBackground();
|
|
fi.performCreateAnimation(destInfo, v, sourceInfo, d, folderLocation, scale);
|
|
} else {
|
|
fi.prepareCreateAnimation(v);
|
|
fi.addItem(destInfo);
|
|
fi.addItem(sourceInfo);
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
boolean addToExistingFolderIfNecessary(View newView, CellLayout target, int[] targetCell,
|
|
float distance, DragObject d, boolean external) {
|
|
if (distance > target.getFolderCreationRadius(targetCell)) return false;
|
|
|
|
View dropOverView = target.getChildAt(targetCell[0], targetCell[1]);
|
|
if (!mAddToExistingFolderOnDrop) return false;
|
|
mAddToExistingFolderOnDrop = false;
|
|
|
|
if (dropOverView instanceof FolderIcon) {
|
|
FolderIcon fi = (FolderIcon) dropOverView;
|
|
if (fi.acceptDrop(d.dragInfo)) {
|
|
mStatsLogManager.logger().withItemInfo(fi.mInfo).withInstanceId(d.logInstanceId)
|
|
.log(LauncherEvent.LAUNCHER_ITEM_DROP_COMPLETED_ON_FOLDER_ICON);
|
|
fi.onDrop(d, false /* itemReturnedOnFailedDrop */);
|
|
// if the drag started here, we need to remove it from the workspace
|
|
if (!external) {
|
|
getParentCellLayoutForView(mDragInfo.cell).removeView(mDragInfo.cell);
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public void prepareAccessibilityDrop() {}
|
|
|
|
@Override
|
|
public void onDrop(final DragObject d, DragOptions options) {
|
|
mDragViewVisualCenter = d.getVisualCenter(mDragViewVisualCenter);
|
|
CellLayout dropTargetLayout = mDropToLayout;
|
|
|
|
// We want the point to be mapped to the dragTarget.
|
|
if (dropTargetLayout != null) {
|
|
mapPointFromDropLayout(dropTargetLayout, mDragViewVisualCenter);
|
|
}
|
|
|
|
boolean droppedOnOriginalCell = false;
|
|
|
|
boolean snappedToNewPage = false;
|
|
boolean resizeOnDrop = false;
|
|
Runnable onCompleteRunnable = null;
|
|
if (d.dragSource != this || mDragInfo == null) {
|
|
final int[] touchXY = new int[]{(int) mDragViewVisualCenter[0],
|
|
(int) mDragViewVisualCenter[1]};
|
|
onDropExternal(touchXY, dropTargetLayout, d);
|
|
} else {
|
|
final View cell = mDragInfo.cell;
|
|
boolean droppedOnOriginalCellDuringTransition = false;
|
|
|
|
if (dropTargetLayout != null && !d.cancelled) {
|
|
// Move internally
|
|
boolean hasMovedLayouts = (getParentCellLayoutForView(cell) != dropTargetLayout);
|
|
boolean hasMovedIntoHotseat = mLauncher.isHotseatLayout(dropTargetLayout);
|
|
int container = hasMovedIntoHotseat ?
|
|
LauncherSettings.Favorites.CONTAINER_HOTSEAT :
|
|
LauncherSettings.Favorites.CONTAINER_DESKTOP;
|
|
int screenId = (mTargetCell[0] < 0) ?
|
|
mDragInfo.screenId : getIdForScreen(dropTargetLayout);
|
|
int spanX = mDragInfo != null ? mDragInfo.spanX : 1;
|
|
int spanY = mDragInfo != null ? mDragInfo.spanY : 1;
|
|
// First we find the cell nearest to point at which the item is
|
|
// dropped, without any consideration to whether there is an item there.
|
|
|
|
mTargetCell = findNearestArea((int) mDragViewVisualCenter[0], (int)
|
|
mDragViewVisualCenter[1], spanX, spanY, dropTargetLayout, mTargetCell);
|
|
float distance = dropTargetLayout.getDistanceFromWorkspaceCellVisualCenter(
|
|
mDragViewVisualCenter[0], mDragViewVisualCenter[1], mTargetCell);
|
|
|
|
// If the item being dropped is a shortcut and the nearest drop
|
|
// cell also contains a shortcut, then create a folder with the two shortcuts.
|
|
if (createUserFolderIfNecessary(cell, container, dropTargetLayout, mTargetCell,
|
|
distance, false, d)
|
|
|| addToExistingFolderIfNecessary(cell, dropTargetLayout, mTargetCell,
|
|
distance, d, false)) {
|
|
if (!mLauncher.isInState(EDIT_MODE)) {
|
|
mLauncher.getStateManager().goToState(NORMAL, SPRING_LOADED_EXIT_DELAY);
|
|
}
|
|
return;
|
|
}
|
|
|
|
// Aside from the special case where we're dropping a shortcut onto a shortcut,
|
|
// we need to find the nearest cell location that is vacant
|
|
ItemInfo item = d.dragInfo;
|
|
int minSpanX = item.spanX;
|
|
int minSpanY = item.spanY;
|
|
if (item.minSpanX > 0 && item.minSpanY > 0) {
|
|
minSpanX = item.minSpanX;
|
|
minSpanY = item.minSpanY;
|
|
}
|
|
|
|
CellPos originalPresenterPos = getCellPosMapper().mapModelToPresenter(item);
|
|
droppedOnOriginalCell = originalPresenterPos.screenId == screenId
|
|
&& item.container == container
|
|
&& originalPresenterPos.cellX == mTargetCell[0]
|
|
&& originalPresenterPos.cellY == mTargetCell[1];
|
|
droppedOnOriginalCellDuringTransition = droppedOnOriginalCell && mIsSwitchingState;
|
|
|
|
// When quickly moving an item, a user may accidentally rearrange their
|
|
// workspace. So instead we move the icon back safely to its original position.
|
|
boolean returnToOriginalCellToPreventShuffling = !isFinishedSwitchingState()
|
|
&& !droppedOnOriginalCellDuringTransition && !dropTargetLayout
|
|
.isRegionVacant(mTargetCell[0], mTargetCell[1], spanX, spanY);
|
|
int[] resultSpan = new int[2];
|
|
if (returnToOriginalCellToPreventShuffling) {
|
|
mTargetCell[0] = mTargetCell[1] = -1;
|
|
} else {
|
|
mTargetCell = dropTargetLayout.performReorder((int) mDragViewVisualCenter[0],
|
|
(int) mDragViewVisualCenter[1], minSpanX, minSpanY, spanX, spanY,
|
|
cell, mTargetCell, resultSpan, CellLayout.MODE_ON_DROP);
|
|
}
|
|
|
|
boolean foundCell = mTargetCell[0] >= 0 && mTargetCell[1] >= 0;
|
|
|
|
// if the widget resizes on drop
|
|
if (foundCell && (cell instanceof AppWidgetHostView) &&
|
|
(resultSpan[0] != item.spanX || resultSpan[1] != item.spanY)) {
|
|
resizeOnDrop = true;
|
|
item.spanX = resultSpan[0];
|
|
item.spanY = resultSpan[1];
|
|
AppWidgetHostView awhv = (AppWidgetHostView) cell;
|
|
WidgetSizes.updateWidgetSizeRanges(awhv, mLauncher, resultSpan[0],
|
|
resultSpan[1]);
|
|
}
|
|
|
|
if (foundCell) {
|
|
int targetScreenIndex = getPageIndexForScreenId(screenId);
|
|
int snapScreen = getLeftmostVisiblePageForIndex(targetScreenIndex);
|
|
// On large screen devices two pages can be shown at the same time, and snap
|
|
// isn't needed if the source and target screens appear at the same time
|
|
if (snapScreen != mCurrentPage && !hasMovedIntoHotseat) {
|
|
snapToPage(snapScreen);
|
|
snappedToNewPage = true;
|
|
}
|
|
final ItemInfo info = (ItemInfo) cell.getTag();
|
|
if (hasMovedLayouts) {
|
|
// Reparent the view
|
|
CellLayout parentCell = getParentCellLayoutForView(cell);
|
|
if (parentCell != null) {
|
|
parentCell.removeView(cell);
|
|
} else if (mDragInfo.cell instanceof LauncherAppWidgetHostView) {
|
|
d.dragView.detachContentView(/* reattachToPreviousParent= */ false);
|
|
} else if (FeatureFlags.IS_STUDIO_BUILD) {
|
|
throw new NullPointerException("mDragInfo.cell has null parent");
|
|
}
|
|
addInScreen(cell, container, screenId, mTargetCell[0], mTargetCell[1],
|
|
info.spanX, info.spanY);
|
|
}
|
|
|
|
// update the item's position after drop
|
|
CellLayoutLayoutParams lp = (CellLayoutLayoutParams) cell.getLayoutParams();
|
|
lp.setTmpCellX(mTargetCell[0]);
|
|
lp.setCellX(mTargetCell[0]);
|
|
lp.setTmpCellY(mTargetCell[1]);
|
|
lp.setCellY(mTargetCell[1]);
|
|
lp.cellHSpan = item.spanX;
|
|
lp.cellVSpan = item.spanY;
|
|
lp.isLockedToGrid = true;
|
|
|
|
if (container != LauncherSettings.Favorites.CONTAINER_HOTSEAT &&
|
|
cell instanceof LauncherAppWidgetHostView) {
|
|
|
|
// We post this call so that the widget has a chance to be placed
|
|
// in its final location
|
|
onCompleteRunnable = getWidgetResizeFrameRunnable(options,
|
|
(LauncherAppWidgetHostView) cell, dropTargetLayout);
|
|
}
|
|
mLauncher.getModelWriter().modifyItemInDatabase(info, container, screenId,
|
|
lp.getCellX(), lp.getCellY(), item.spanX, item.spanY);
|
|
} else {
|
|
if (!returnToOriginalCellToPreventShuffling) {
|
|
onNoCellFound(dropTargetLayout, d.dragInfo, d.logInstanceId);
|
|
}
|
|
if (mDragInfo.cell instanceof LauncherAppWidgetHostView) {
|
|
d.dragView.detachContentView(/* reattachToPreviousParent= */ true);
|
|
}
|
|
|
|
// If we can't find a drop location, we return the item to its original position
|
|
CellLayoutLayoutParams lp = (CellLayoutLayoutParams) cell.getLayoutParams();
|
|
mTargetCell[0] = lp.getCellX();
|
|
mTargetCell[1] = lp.getCellY();
|
|
CellLayout layout = (CellLayout) cell.getParent().getParent();
|
|
layout.markCellsAsOccupiedForView(cell);
|
|
}
|
|
} else {
|
|
// When drag is cancelled, reattach content view back to its original parent.
|
|
if (cell instanceof LauncherAppWidgetHostView) {
|
|
d.dragView.detachContentView(/* reattachToPreviousParent= */ true);
|
|
|
|
final CellLayout cellLayout = getParentCellLayoutForView(cell);
|
|
boolean pageIsVisible = isVisible(cellLayout);
|
|
|
|
if (pageIsVisible) {
|
|
onCompleteRunnable = getWidgetResizeFrameRunnable(options,
|
|
(LauncherAppWidgetHostView) cell, cellLayout);
|
|
}
|
|
}
|
|
}
|
|
|
|
final CellLayout parent = (CellLayout) cell.getParent().getParent();
|
|
if (d.dragView.hasDrawn()) {
|
|
if (droppedOnOriginalCellDuringTransition) {
|
|
// Animate the item to its original position, while simultaneously exiting
|
|
// spring-loaded mode so the page meets the icon where it was picked up.
|
|
final RunnableList callbackList = new RunnableList();
|
|
final Runnable onCompleteCallback = onCompleteRunnable;
|
|
LauncherState currentState = mLauncher.getStateManager().getState();
|
|
mLauncher.getDragController().animateDragViewToOriginalPosition(
|
|
/* onComplete= */ callbackList::executeAllAndDestroy, cell,
|
|
currentState.getTransitionDuration(mLauncher, true /* isToState */));
|
|
if (!mLauncher.isInState(EDIT_MODE)) {
|
|
mLauncher.getStateManager().goToState(NORMAL, /* delay= */ 0,
|
|
onCompleteCallback == null
|
|
? null
|
|
: forSuccessCallback(
|
|
() -> callbackList.add(onCompleteCallback)));
|
|
} else if (onCompleteCallback != null) {
|
|
forSuccessCallback(() -> callbackList.add(onCompleteCallback));
|
|
}
|
|
mLauncher.getDropTargetBar().onDragEnd();
|
|
parent.onDropChild(cell);
|
|
return;
|
|
}
|
|
final ItemInfo info = (ItemInfo) cell.getTag();
|
|
boolean isWidget = info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET
|
|
|| info.itemType == LauncherSettings.Favorites.ITEM_TYPE_CUSTOM_APPWIDGET;
|
|
if (isWidget && dropTargetLayout != null) {
|
|
// animate widget to a valid place
|
|
int animationType = resizeOnDrop ? ANIMATE_INTO_POSITION_AND_RESIZE :
|
|
ANIMATE_INTO_POSITION_AND_DISAPPEAR;
|
|
animateWidgetDrop(info, parent, d.dragView, null, animationType, cell, false);
|
|
} else {
|
|
int duration = snappedToNewPage ? ADJACENT_SCREEN_DROP_DURATION : -1;
|
|
mLauncher.getDragLayer().animateViewIntoPosition(d.dragView, cell, duration,
|
|
this);
|
|
}
|
|
} else {
|
|
d.deferDragViewCleanupPostAnimation = false;
|
|
cell.setVisibility(VISIBLE);
|
|
}
|
|
parent.onDropChild(cell);
|
|
|
|
if (!mLauncher.isInState(EDIT_MODE)) {
|
|
mLauncher.getStateManager().goToState(NORMAL, SPRING_LOADED_EXIT_DELAY,
|
|
onCompleteRunnable == null ? null : forSuccessCallback(onCompleteRunnable));
|
|
} else if (onCompleteRunnable != null) {
|
|
forSuccessCallback(onCompleteRunnable);
|
|
}
|
|
mStatsLogManager.logger().withItemInfo(d.dragInfo).withInstanceId(d.logInstanceId)
|
|
.log(LauncherEvent.LAUNCHER_ITEM_DROP_COMPLETED);
|
|
}
|
|
|
|
if (d.stateAnnouncer != null && !droppedOnOriginalCell) {
|
|
d.stateAnnouncer.completeAction(R.string.item_moved);
|
|
}
|
|
}
|
|
|
|
@Nullable
|
|
private Runnable getWidgetResizeFrameRunnable(DragOptions options,
|
|
LauncherAppWidgetHostView hostView, CellLayout cellLayout) {
|
|
AppWidgetProviderInfo pInfo = hostView.getAppWidgetInfo();
|
|
if (pInfo != null && pInfo.resizeMode != AppWidgetProviderInfo.RESIZE_NONE
|
|
&& !options.isAccessibleDrag) {
|
|
return () -> {
|
|
if (!isPageInTransition()) {
|
|
AppWidgetResizeFrame.showForWidget(hostView, cellLayout);
|
|
}
|
|
};
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public void onNoCellFound(
|
|
View dropTargetLayout, ItemInfo itemInfo, @Nullable InstanceId logInstanceId) {
|
|
int strId = mLauncher.isHotseatLayout(dropTargetLayout)
|
|
? R.string.hotseat_out_of_space : R.string.out_of_space;
|
|
Toast.makeText(mLauncher, mLauncher.getString(strId), Toast.LENGTH_SHORT).show();
|
|
StatsLogManager.StatsLogger logger = mStatsLogManager.logger().withItemInfo(itemInfo);
|
|
if (logInstanceId != null) {
|
|
logger = logger.withInstanceId(logInstanceId);
|
|
}
|
|
logger.log(LauncherEvent.LAUNCHER_ITEM_DROP_FAILED_INSUFFICIENT_SPACE);
|
|
}
|
|
|
|
/**
|
|
* Computes and returns the area relative to dragLayer which is used to display a page.
|
|
* In case we have multiple pages displayed at the same time, we return the union of the areas.
|
|
*/
|
|
public Rect getPageAreaRelativeToDragLayer() {
|
|
Rect area = new Rect();
|
|
int nextPage = getNextPage();
|
|
int panelCount = getPanelCount();
|
|
for (int page = nextPage; page < nextPage + panelCount; page++) {
|
|
CellLayout child = (CellLayout) getChildAt(page);
|
|
if (child == null) {
|
|
break;
|
|
}
|
|
|
|
ShortcutAndWidgetContainer boundingLayout = child.getShortcutsAndWidgets();
|
|
Rect tmpRect = new Rect();
|
|
mLauncher.getDragLayer().getDescendantRectRelativeToSelf(boundingLayout, tmpRect);
|
|
area.union(tmpRect);
|
|
}
|
|
|
|
return area;
|
|
}
|
|
|
|
@Override
|
|
public void onDragEnter(DragObject d) {
|
|
if (ENFORCE_DRAG_EVENT_ORDER) {
|
|
enforceDragParity("onDragEnter", 1, 1);
|
|
}
|
|
|
|
mCreateUserFolderOnDrop = false;
|
|
mAddToExistingFolderOnDrop = false;
|
|
|
|
mDropToLayout = null;
|
|
mDragViewVisualCenter = d.getVisualCenter(mDragViewVisualCenter);
|
|
setDropLayoutForDragObject(d, mDragViewVisualCenter[0], mDragViewVisualCenter[1]);
|
|
}
|
|
|
|
@Override
|
|
public void onDragExit(DragObject d) {
|
|
if (ENFORCE_DRAG_EVENT_ORDER) {
|
|
enforceDragParity("onDragExit", -1, 0);
|
|
}
|
|
|
|
// Here we store the final page that will be dropped to, if the workspace in fact
|
|
// receives the drop
|
|
mDropToLayout = mDragTargetLayout;
|
|
if (mDragMode == DRAG_MODE_CREATE_FOLDER) {
|
|
mCreateUserFolderOnDrop = true;
|
|
} else if (mDragMode == DRAG_MODE_ADD_TO_FOLDER) {
|
|
mAddToExistingFolderOnDrop = true;
|
|
}
|
|
|
|
// Reset the previous drag target
|
|
setCurrentDropLayout(null);
|
|
setCurrentDragOverlappingLayout(null);
|
|
|
|
mSpringLoadedDragController.cancel();
|
|
}
|
|
|
|
private void enforceDragParity(String event, int update, int expectedValue) {
|
|
enforceDragParity(this, event, update, expectedValue);
|
|
for (int i = 0; i < getChildCount(); i++) {
|
|
enforceDragParity(getChildAt(i), event, update, expectedValue);
|
|
}
|
|
}
|
|
|
|
private void enforceDragParity(View v, String event, int update, int expectedValue) {
|
|
Object tag = v.getTag(R.id.drag_event_parity);
|
|
int value = tag == null ? 0 : (Integer) tag;
|
|
value += update;
|
|
v.setTag(R.id.drag_event_parity, value);
|
|
|
|
if (value != expectedValue) {
|
|
Log.e(TAG, event + ": Drag contract violated: " + value);
|
|
}
|
|
}
|
|
|
|
void setCurrentDropLayout(CellLayout layout) {
|
|
if (mDragTargetLayout != null) {
|
|
mDragTargetLayout.revertTempState();
|
|
mDragTargetLayout.onDragExit();
|
|
}
|
|
mDragTargetLayout = layout;
|
|
if (mDragTargetLayout != null) {
|
|
mDragTargetLayout.onDragEnter();
|
|
}
|
|
cleanupReorder(true);
|
|
cleanupFolderCreation();
|
|
setCurrentDropOverCell(-1, -1);
|
|
}
|
|
|
|
void setCurrentDragOverlappingLayout(CellLayout layout) {
|
|
if (mDragOverlappingLayout != null) {
|
|
mDragOverlappingLayout.setIsDragOverlapping(false);
|
|
}
|
|
mDragOverlappingLayout = layout;
|
|
if (mDragOverlappingLayout != null) {
|
|
mDragOverlappingLayout.setIsDragOverlapping(true);
|
|
}
|
|
}
|
|
|
|
public CellLayout getCurrentDragOverlappingLayout() {
|
|
return mDragOverlappingLayout;
|
|
}
|
|
|
|
void setCurrentDropOverCell(int x, int y) {
|
|
if (x != mDragOverX || y != mDragOverY) {
|
|
mDragOverX = x;
|
|
mDragOverY = y;
|
|
setDragMode(DRAG_MODE_NONE);
|
|
}
|
|
}
|
|
|
|
void setDragMode(int dragMode) {
|
|
if (dragMode != mDragMode) {
|
|
if (dragMode == DRAG_MODE_NONE) {
|
|
cleanupAddToFolder();
|
|
// We don't want to cancel the re-order alarm every time the target cell changes
|
|
// as this feels to slow / unresponsive.
|
|
cleanupReorder(false);
|
|
cleanupFolderCreation();
|
|
} else if (dragMode == DRAG_MODE_ADD_TO_FOLDER) {
|
|
cleanupReorder(true);
|
|
cleanupFolderCreation();
|
|
} else if (dragMode == DRAG_MODE_CREATE_FOLDER) {
|
|
cleanupAddToFolder();
|
|
cleanupReorder(true);
|
|
} else if (dragMode == DRAG_MODE_REORDER) {
|
|
cleanupAddToFolder();
|
|
cleanupFolderCreation();
|
|
}
|
|
mDragMode = dragMode;
|
|
}
|
|
}
|
|
|
|
protected void cleanupFolderCreation() {
|
|
if (mFolderCreateBg != null) {
|
|
mFolderCreateBg.animateToRest();
|
|
}
|
|
}
|
|
|
|
private void cleanupAddToFolder() {
|
|
if (mDragOverFolderIcon != null) {
|
|
mDragOverFolderIcon.onDragExit();
|
|
mDragOverFolderIcon = null;
|
|
}
|
|
}
|
|
|
|
protected void cleanupReorder(boolean cancelAlarm) {
|
|
// Any pending reorders are canceled
|
|
if (cancelAlarm) {
|
|
mReorderAlarm.cancelAlarm();
|
|
}
|
|
mLastReorderX = -1;
|
|
mLastReorderY = -1;
|
|
}
|
|
|
|
/*
|
|
*
|
|
* Convert the 2D coordinate xy from the parent View's coordinate space to this CellLayout's
|
|
* coordinate space. The argument xy is modified with the return result.
|
|
*/
|
|
private void mapPointFromSelfToChild(View v, float[] xy) {
|
|
xy[0] = xy[0] - v.getLeft();
|
|
xy[1] = xy[1] - v.getTop();
|
|
}
|
|
|
|
/**
|
|
* Updates the point in {@param xy} to point to the co-ordinate space of {@param layout}
|
|
*
|
|
* @param layout either hotseat of a page in workspace
|
|
* @param xy the point location in workspace co-ordinate space
|
|
*/
|
|
private void mapPointFromDropLayout(CellLayout layout, float[] xy) {
|
|
if (mLauncher.isHotseatLayout(layout)) {
|
|
mLauncher.getDragLayer().getDescendantCoordRelativeToSelf(this, xy, true);
|
|
mLauncher.getDragLayer().mapCoordInSelfToDescendant(layout, xy);
|
|
} else {
|
|
mapPointFromSelfToChild(layout, xy);
|
|
}
|
|
}
|
|
|
|
private boolean isDragWidget(DragObject d) {
|
|
return (d.dragInfo instanceof LauncherAppWidgetInfo ||
|
|
d.dragInfo instanceof PendingAddWidgetInfo);
|
|
}
|
|
|
|
public void onDragOver(DragObject d) {
|
|
// Skip drag over events while we are dragging over side pages
|
|
if (!transitionStateShouldAllowDrop()) return;
|
|
|
|
ItemInfo item = d.dragInfo;
|
|
if (item == null) {
|
|
if (FeatureFlags.IS_STUDIO_BUILD) {
|
|
throw new NullPointerException("DragObject has null info");
|
|
}
|
|
return;
|
|
}
|
|
|
|
// Ensure that we have proper spans for the item that we are dropping
|
|
if (item.spanX < 0 || item.spanY < 0) throw new RuntimeException("Improper spans found");
|
|
mDragViewVisualCenter = d.getVisualCenter(mDragViewVisualCenter);
|
|
|
|
final View child = (mDragInfo == null) ? null : mDragInfo.cell;
|
|
if (setDropLayoutForDragObject(d, mDragViewVisualCenter[0], mDragViewVisualCenter[1])) {
|
|
if (mDragTargetLayout == null || mLauncher.isHotseatLayout(mDragTargetLayout)) {
|
|
mSpringLoadedDragController.cancel();
|
|
} else {
|
|
mSpringLoadedDragController.setAlarm(mDragTargetLayout);
|
|
}
|
|
}
|
|
|
|
// Handle the drag over
|
|
if (mDragTargetLayout != null) {
|
|
// We want the point to be mapped to the dragTarget.
|
|
mapPointFromDropLayout(mDragTargetLayout, mDragViewVisualCenter);
|
|
|
|
int minSpanX = item.spanX;
|
|
int minSpanY = item.spanY;
|
|
if (item.minSpanX > 0 && item.minSpanY > 0) {
|
|
minSpanX = item.minSpanX;
|
|
minSpanY = item.minSpanY;
|
|
}
|
|
|
|
mTargetCell = findNearestArea((int) mDragViewVisualCenter[0],
|
|
(int) mDragViewVisualCenter[1], item.spanX, item.spanY,
|
|
mDragTargetLayout, mTargetCell);
|
|
int reorderX = mTargetCell[0];
|
|
int reorderY = mTargetCell[1];
|
|
|
|
setCurrentDropOverCell(mTargetCell[0], mTargetCell[1]);
|
|
|
|
float targetCellDistance = mDragTargetLayout.getDistanceFromWorkspaceCellVisualCenter(
|
|
mDragViewVisualCenter[0], mDragViewVisualCenter[1], mTargetCell);
|
|
|
|
manageFolderFeedback(targetCellDistance, d);
|
|
|
|
boolean nearestDropOccupied = mDragTargetLayout.isNearestDropLocationOccupied((int)
|
|
mDragViewVisualCenter[0], (int) mDragViewVisualCenter[1], item.spanX,
|
|
item.spanY, child, mTargetCell);
|
|
|
|
manageReorderOnDragOver(d, targetCellDistance, nearestDropOccupied, minSpanX, minSpanY,
|
|
reorderX, reorderY);
|
|
|
|
if (mDragMode == DRAG_MODE_CREATE_FOLDER || mDragMode == DRAG_MODE_ADD_TO_FOLDER ||
|
|
!nearestDropOccupied) {
|
|
if (mDragTargetLayout != null) {
|
|
mDragTargetLayout.revertTempState();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
protected void manageReorderOnDragOver(DragObject d, float targetCellDistance,
|
|
boolean nearestDropOccupied, int minSpanX, int minSpanY, int reorderX, int reorderY) {
|
|
|
|
ItemInfo item = d.dragInfo;
|
|
final View child = (mDragInfo == null) ? null : mDragInfo.cell;
|
|
if (!nearestDropOccupied) {
|
|
int[] span = new int[2];
|
|
mDragTargetLayout.performReorder((int) mDragViewVisualCenter[0],
|
|
(int) mDragViewVisualCenter[1], minSpanX, minSpanY, item.spanX, item.spanY,
|
|
child, mTargetCell, span, CellLayout.MODE_SHOW_REORDER_HINT);
|
|
mDragTargetLayout.visualizeDropLocation(mTargetCell[0], mTargetCell[1], span[0],
|
|
span[1], d);
|
|
nearestDropOccupied = mDragTargetLayout.isNearestDropLocationOccupied((int)
|
|
mDragViewVisualCenter[0], (int) mDragViewVisualCenter[1], item.spanX,
|
|
item.spanY, child, mTargetCell);
|
|
} else if ((mDragMode == DRAG_MODE_NONE || mDragMode == DRAG_MODE_REORDER)
|
|
&& (mLastReorderX != reorderX || mLastReorderY != reorderY)
|
|
&& targetCellDistance < mDragTargetLayout.getReorderRadius(mTargetCell, item.spanX,
|
|
item.spanY)) {
|
|
mReorderAlarm.cancelAlarm();
|
|
mLastReorderX = reorderX;
|
|
mLastReorderY = reorderY;
|
|
mDragTargetLayout.performReorder((int) mDragViewVisualCenter[0],
|
|
(int) mDragViewVisualCenter[1], minSpanX, minSpanY, item.spanX, item.spanY,
|
|
child, mTargetCell, new int[2], CellLayout.MODE_SHOW_REORDER_HINT);
|
|
// Otherwise, if we aren't adding to or creating a folder and there's no pending
|
|
// reorder, then we schedule a reorder
|
|
ReorderAlarmListener listener = new ReorderAlarmListener(mDragViewVisualCenter,
|
|
minSpanX, minSpanY, item.spanX, item.spanY, d, child);
|
|
mReorderAlarm.setOnAlarmListener(listener);
|
|
mReorderAlarm.setAlarm(REORDER_TIMEOUT);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Updates {@link #mDragTargetLayout} and {@link #mDragOverlappingLayout}
|
|
* based on the DragObject's position.
|
|
*
|
|
* The layout will be:
|
|
* - The Hotseat if the drag object is over it
|
|
* - A side page if we are in spring-loaded mode and the drag object is over it
|
|
* - The current page otherwise
|
|
*
|
|
* @return whether the layout is different from the current {@link #mDragTargetLayout}.
|
|
*/
|
|
private boolean setDropLayoutForDragObject(DragObject d, float centerX, float centerY) {
|
|
CellLayout layout = null;
|
|
if (shouldUseHotseatAsDropLayout(d)) {
|
|
layout = mLauncher.getHotseat();
|
|
} else if (!isDragObjectOverSmartSpace(d)) {
|
|
// If the object is over qsb/smartspace, we don't want to highlight anything.
|
|
|
|
// Check neighbour pages
|
|
layout = checkDragObjectIsOverNeighbourPages(d, centerX);
|
|
|
|
if (layout == null) {
|
|
// Check visible pages
|
|
IntSet visiblePageIndices = getVisiblePageIndices();
|
|
for (int visiblePageIndex : visiblePageIndices) {
|
|
layout = verifyInsidePage(visiblePageIndex, d.x, d.y);
|
|
if (layout != null) break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Update the current drop layout if the target changed
|
|
if (layout != mDragTargetLayout) {
|
|
setCurrentDropLayout(layout);
|
|
setCurrentDragOverlappingLayout(layout);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private boolean shouldUseHotseatAsDropLayout(DragObject dragObject) {
|
|
if (mLauncher.getHotseat() == null
|
|
|| mLauncher.getHotseat().getShortcutsAndWidgets() == null
|
|
|| isDragWidget(dragObject)) {
|
|
return false;
|
|
}
|
|
View hotseatShortcuts = mLauncher.getHotseat().getShortcutsAndWidgets();
|
|
getViewBoundsRelativeToWorkspace(hotseatShortcuts, mTempRect);
|
|
return mTempRect.contains(dragObject.x, dragObject.y);
|
|
}
|
|
|
|
private boolean isDragObjectOverSmartSpace(DragObject dragObject) {
|
|
if (mFirstPagePinnedItem == null) {
|
|
return false;
|
|
}
|
|
getViewBoundsRelativeToWorkspace(mFirstPagePinnedItem, mTempRect);
|
|
return mTempRect.contains(dragObject.x, dragObject.y);
|
|
}
|
|
|
|
private CellLayout checkDragObjectIsOverNeighbourPages(DragObject d, float centerX) {
|
|
if (isPageInTransition()) {
|
|
return null;
|
|
}
|
|
|
|
// Check the workspace pages whether the object is over any of them
|
|
|
|
// Note, centerX represents the center of the object that is being dragged, visually.
|
|
// d.x represents the location of the finger within the dragged item.
|
|
float touchX;
|
|
float touchY = d.y;
|
|
|
|
// Go through the pages and check if the dragged item is inside one of them. This block
|
|
// is responsible for determining whether we need to snap to a different screen.
|
|
int nextPage = getNextPage();
|
|
IntSet pageIndexesToVerify = IntSet.wrap(nextPage - 1,
|
|
nextPage + (isTwoPanelEnabled() ? 2 : 1));
|
|
|
|
for (int pageIndex : pageIndexesToVerify) {
|
|
// When deciding whether to perform a page switch, we need to consider the most
|
|
// extreme X coordinate between the finger location and the center of the object
|
|
// being dragged. This is either the max or the min of the two depending on whether
|
|
// dragging to the left / right, respectively.
|
|
touchX = (((pageIndex < nextPage) && !mIsRtl) || (pageIndex > nextPage && mIsRtl))
|
|
? Math.min(d.x, centerX) : Math.max(d.x, centerX);
|
|
CellLayout layout = verifyInsidePage(pageIndex, touchX, touchY);
|
|
if (layout != null) {
|
|
return layout;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Gets the given view's bounds relative to Workspace
|
|
*/
|
|
private void getViewBoundsRelativeToWorkspace(View view, Rect outRect) {
|
|
mLauncher.getDragLayer()
|
|
.getDescendantRectRelativeToSelf(view, mTempRect);
|
|
// map draglayer relative bounds to workspace
|
|
mLauncher.getDragLayer().mapRectInSelfToDescendant(this, mTempRect);
|
|
outRect.set(mTempRect);
|
|
}
|
|
|
|
/**
|
|
* Returns the child CellLayout if the point is inside the page coordinates, null otherwise.
|
|
*/
|
|
private CellLayout verifyInsidePage(int pageNo, float x, float y) {
|
|
if (pageNo >= 0 && pageNo < getPageCount()) {
|
|
CellLayout cl = (CellLayout) getChildAt(pageNo);
|
|
if (x >= cl.getLeft() && x <= cl.getRight()
|
|
&& y >= cl.getTop() && y <= cl.getBottom()) {
|
|
// This point is inside the cell layout
|
|
return cl;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
private void manageFolderFeedback(float distance, DragObject dragObject) {
|
|
if (distance > mDragTargetLayout.getFolderCreationRadius(mTargetCell)) {
|
|
if ((mDragMode == DRAG_MODE_ADD_TO_FOLDER
|
|
|| mDragMode == DRAG_MODE_CREATE_FOLDER)) {
|
|
setDragMode(DRAG_MODE_NONE);
|
|
}
|
|
return;
|
|
}
|
|
|
|
final View dragOverView = mDragTargetLayout.getChildAt(mTargetCell[0], mTargetCell[1]);
|
|
ItemInfo info = dragObject.dragInfo;
|
|
boolean userFolderPending = willCreateUserFolder(info, dragOverView, false);
|
|
if (mDragMode == DRAG_MODE_NONE && userFolderPending) {
|
|
|
|
mFolderCreateBg = new PreviewBackground();
|
|
mFolderCreateBg.setup(mLauncher, mLauncher, null,
|
|
dragOverView.getMeasuredWidth(), dragOverView.getPaddingTop());
|
|
|
|
// The full preview background should appear behind the icon
|
|
mFolderCreateBg.isClipping = false;
|
|
|
|
mFolderCreateBg.animateToAccept(mDragTargetLayout, mTargetCell[0], mTargetCell[1]);
|
|
mDragTargetLayout.clearDragOutlines();
|
|
setDragMode(DRAG_MODE_CREATE_FOLDER);
|
|
|
|
if (dragObject.stateAnnouncer != null) {
|
|
dragObject.stateAnnouncer.announce(WorkspaceAccessibilityHelper
|
|
.getDescriptionForDropOver(dragOverView, getContext()));
|
|
}
|
|
return;
|
|
}
|
|
|
|
boolean willAddToFolder = willAddToExistingUserFolder(info, dragOverView);
|
|
if (willAddToFolder && mDragMode == DRAG_MODE_NONE) {
|
|
mDragOverFolderIcon = ((FolderIcon) dragOverView);
|
|
mDragOverFolderIcon.onDragEnter(info);
|
|
if (mDragTargetLayout != null) {
|
|
mDragTargetLayout.clearDragOutlines();
|
|
}
|
|
setDragMode(DRAG_MODE_ADD_TO_FOLDER);
|
|
|
|
if (dragObject.stateAnnouncer != null) {
|
|
dragObject.stateAnnouncer.announce(WorkspaceAccessibilityHelper
|
|
.getDescriptionForDropOver(dragOverView, getContext()));
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (mDragMode == DRAG_MODE_ADD_TO_FOLDER && !willAddToFolder) {
|
|
setDragMode(DRAG_MODE_NONE);
|
|
}
|
|
if (mDragMode == DRAG_MODE_CREATE_FOLDER && !userFolderPending) {
|
|
setDragMode(DRAG_MODE_NONE);
|
|
}
|
|
}
|
|
|
|
class ReorderAlarmListener implements OnAlarmListener {
|
|
final float[] dragViewCenter;
|
|
final int minSpanX, minSpanY, spanX, spanY;
|
|
final DragObject dragObject;
|
|
final View child;
|
|
|
|
public ReorderAlarmListener(float[] dragViewCenter, int minSpanX, int minSpanY, int spanX,
|
|
int spanY, DragObject dragObject, View child) {
|
|
this.dragViewCenter = dragViewCenter;
|
|
this.minSpanX = minSpanX;
|
|
this.minSpanY = minSpanY;
|
|
this.spanX = spanX;
|
|
this.spanY = spanY;
|
|
this.child = child;
|
|
this.dragObject = dragObject;
|
|
}
|
|
|
|
public void onAlarm(Alarm alarm) {
|
|
int[] resultSpan = new int[2];
|
|
mTargetCell = findNearestArea((int) mDragViewVisualCenter[0],
|
|
(int) mDragViewVisualCenter[1], minSpanX, minSpanY, mDragTargetLayout,
|
|
mTargetCell);
|
|
|
|
mTargetCell = mDragTargetLayout.performReorder((int) mDragViewVisualCenter[0],
|
|
(int) mDragViewVisualCenter[1], minSpanX, minSpanY, spanX, spanY,
|
|
child, mTargetCell, resultSpan, CellLayout.MODE_DRAG_OVER);
|
|
|
|
if (mTargetCell[0] < 0 || mTargetCell[1] < 0) {
|
|
mDragTargetLayout.revertTempState();
|
|
} else {
|
|
setDragMode(DRAG_MODE_REORDER);
|
|
}
|
|
|
|
mDragTargetLayout.visualizeDropLocation(mTargetCell[0], mTargetCell[1],
|
|
resultSpan[0], resultSpan[1], dragObject);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void getHitRectRelativeToDragLayer(Rect outRect) {
|
|
// We want the workspace to have the whole area of the display (it will find the correct
|
|
// cell layout to drop to in the existing drag/drop logic.
|
|
mLauncher.getDragLayer().getDescendantRectRelativeToSelf(this, outRect);
|
|
}
|
|
|
|
/**
|
|
* Drop an item that didn't originate on one of the workspace screens.
|
|
* It may have come from Launcher (e.g. from all apps or customize), or it may have
|
|
* come from another app altogether.
|
|
* <p>
|
|
* NOTE: This can also be called when we are outside of a drag event, when we want
|
|
* to add an item to one of the workspace screens.
|
|
*/
|
|
private void onDropExternal(final int[] touchXY, final CellLayout cellLayout, DragObject d) {
|
|
if (d.dragInfo instanceof PendingAddShortcutInfo) {
|
|
WorkspaceItemInfo si = ((PendingAddShortcutInfo) d.dragInfo)
|
|
.getActivityInfo(mLauncher).createWorkspaceItemInfo();
|
|
if (si != null) {
|
|
d.dragInfo = si;
|
|
}
|
|
}
|
|
|
|
ItemInfo info = d.dragInfo;
|
|
int spanX = info.spanX;
|
|
int spanY = info.spanY;
|
|
if (mDragInfo != null) {
|
|
spanX = mDragInfo.spanX;
|
|
spanY = mDragInfo.spanY;
|
|
}
|
|
|
|
final int container = mLauncher.isHotseatLayout(cellLayout)
|
|
? LauncherSettings.Favorites.CONTAINER_HOTSEAT
|
|
: LauncherSettings.Favorites.CONTAINER_DESKTOP;
|
|
final int screenId = getIdForScreen(cellLayout);
|
|
if (!mLauncher.isHotseatLayout(cellLayout)
|
|
&& screenId != getScreenIdForPageIndex(mCurrentPage)
|
|
&& !mLauncher.isInState(SPRING_LOADED)
|
|
&& !mLauncher.isInState(EDIT_MODE)) {
|
|
snapToPage(getPageIndexForScreenId(screenId));
|
|
}
|
|
|
|
if (info instanceof PendingAddItemInfo) {
|
|
final PendingAddItemInfo pendingInfo = (PendingAddItemInfo) info;
|
|
|
|
boolean findNearestVacantCell = true;
|
|
if (pendingInfo.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
|
|
mTargetCell = findNearestArea(touchXY[0], touchXY[1], spanX, spanY,
|
|
cellLayout, mTargetCell);
|
|
float distance = cellLayout.getDistanceFromWorkspaceCellVisualCenter(
|
|
mDragViewVisualCenter[0], mDragViewVisualCenter[1], mTargetCell);
|
|
if (willCreateUserFolder(d.dragInfo, cellLayout, mTargetCell, distance, true)
|
|
|| willAddToExistingUserFolder(
|
|
d.dragInfo, cellLayout, mTargetCell, distance)) {
|
|
findNearestVacantCell = false;
|
|
}
|
|
}
|
|
|
|
final ItemInfo item = d.dragInfo;
|
|
boolean updateWidgetSize = false;
|
|
if (findNearestVacantCell) {
|
|
int minSpanX = item.spanX;
|
|
int minSpanY = item.spanY;
|
|
if (item.minSpanX > 0 && item.minSpanY > 0) {
|
|
minSpanX = item.minSpanX;
|
|
minSpanY = item.minSpanY;
|
|
}
|
|
int[] resultSpan = new int[2];
|
|
mTargetCell = cellLayout.performReorder((int) mDragViewVisualCenter[0],
|
|
(int) mDragViewVisualCenter[1], minSpanX, minSpanY, info.spanX, info.spanY,
|
|
null, mTargetCell, resultSpan, CellLayout.MODE_ON_DROP_EXTERNAL);
|
|
|
|
if (resultSpan[0] != item.spanX || resultSpan[1] != item.spanY) {
|
|
updateWidgetSize = true;
|
|
}
|
|
item.spanX = resultSpan[0];
|
|
item.spanY = resultSpan[1];
|
|
}
|
|
|
|
Runnable onAnimationCompleteRunnable = new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
// Normally removeExtraEmptyScreen is called in Workspace#onDrop, but when
|
|
// adding an item that may not be dropped right away (due to a config activity)
|
|
// we defer the removal until the activity returns.
|
|
deferRemoveExtraEmptyScreen();
|
|
|
|
// When dragging and dropping from customization tray, we deal with creating
|
|
// widgets/shortcuts/folders in a slightly different way
|
|
mLauncher.addPendingItem(pendingInfo, container, screenId, mTargetCell,
|
|
item.spanX, item.spanY);
|
|
mStatsLogManager.logger().withItemInfo(d.dragInfo)
|
|
.withInstanceId(d.logInstanceId)
|
|
.log(LauncherEvent.LAUNCHER_ITEM_DROP_COMPLETED);
|
|
}
|
|
};
|
|
boolean isWidget = pendingInfo.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET
|
|
|| pendingInfo.itemType == LauncherSettings.Favorites.ITEM_TYPE_CUSTOM_APPWIDGET;
|
|
|
|
AppWidgetHostView finalView = isWidget ?
|
|
((PendingAddWidgetInfo) pendingInfo).boundWidget : null;
|
|
|
|
if (finalView != null && updateWidgetSize) {
|
|
WidgetSizes.updateWidgetSizeRanges(finalView, mLauncher, item.spanX, item.spanY);
|
|
}
|
|
|
|
int animationStyle = ANIMATE_INTO_POSITION_AND_DISAPPEAR;
|
|
if (isWidget && ((PendingAddWidgetInfo) pendingInfo).info != null &&
|
|
((PendingAddWidgetInfo) pendingInfo).getHandler().needsConfigure()) {
|
|
animationStyle = ANIMATE_INTO_POSITION_AND_REMAIN;
|
|
}
|
|
animateWidgetDrop(info, cellLayout, d.dragView, onAnimationCompleteRunnable,
|
|
animationStyle, finalView, true);
|
|
} else {
|
|
// This is for other drag/drop cases, like dragging from All Apps
|
|
mLauncher.getStateManager().goToState(NORMAL, SPRING_LOADED_EXIT_DELAY);
|
|
View view;
|
|
|
|
switch (info.itemType) {
|
|
case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION:
|
|
case LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT:
|
|
case LauncherSettings.Favorites.ITEM_TYPE_SEARCH_ACTION:
|
|
if (info instanceof WorkspaceItemFactory) {
|
|
// Came from all apps -- make a copy
|
|
info = ((WorkspaceItemFactory) info).makeWorkspaceItem(mLauncher);
|
|
d.dragInfo = info;
|
|
}
|
|
if (info instanceof WorkspaceItemInfo
|
|
&& info.container == LauncherSettings.Favorites.CONTAINER_PREDICTION) {
|
|
// Came from all apps prediction row -- make a copy
|
|
info = new WorkspaceItemInfo((WorkspaceItemInfo) info);
|
|
d.dragInfo = info;
|
|
}
|
|
view = mLauncher.createShortcut(cellLayout, (WorkspaceItemInfo) info);
|
|
break;
|
|
case LauncherSettings.Favorites.ITEM_TYPE_FOLDER:
|
|
view = FolderIcon.inflateFolderAndIcon(R.layout.folder_icon, mLauncher, cellLayout,
|
|
(FolderInfo) info);
|
|
break;
|
|
default:
|
|
throw new IllegalStateException("Unknown item type: " + info.itemType);
|
|
}
|
|
|
|
// First we find the cell nearest to point at which the item is
|
|
// dropped, without any consideration to whether there is an item there.
|
|
if (touchXY != null) {
|
|
mTargetCell = findNearestArea(touchXY[0], touchXY[1], spanX, spanY,
|
|
cellLayout, mTargetCell);
|
|
float distance = cellLayout.getDistanceFromWorkspaceCellVisualCenter(
|
|
mDragViewVisualCenter[0], mDragViewVisualCenter[1], mTargetCell);
|
|
if (createUserFolderIfNecessary(view, container, cellLayout, mTargetCell, distance,
|
|
true, d)) {
|
|
return;
|
|
}
|
|
if (addToExistingFolderIfNecessary(view, cellLayout, mTargetCell, distance, d,
|
|
true)) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (touchXY != null) {
|
|
// when dragging and dropping, just find the closest free spot
|
|
mTargetCell = cellLayout.performReorder((int) mDragViewVisualCenter[0],
|
|
(int) mDragViewVisualCenter[1], 1, 1, 1, 1,
|
|
null, mTargetCell, null, CellLayout.MODE_ON_DROP_EXTERNAL);
|
|
} else {
|
|
cellLayout.findCellForSpan(mTargetCell, 1, 1);
|
|
}
|
|
// Add the item to DB before adding to screen ensures that the container and other
|
|
// values of the info is properly updated.
|
|
mLauncher.getModelWriter().addOrMoveItemInDatabase(info, container, screenId,
|
|
mTargetCell[0], mTargetCell[1]);
|
|
|
|
addInScreen(view, container, screenId, mTargetCell[0], mTargetCell[1],
|
|
info.spanX, info.spanY);
|
|
cellLayout.onDropChild(view);
|
|
cellLayout.getShortcutsAndWidgets().measureChild(view);
|
|
|
|
if (d.dragView != null) {
|
|
// We wrap the animation call in the temporary set and reset of the current
|
|
// cellLayout to its final transform -- this means we animate the drag view to
|
|
// the correct final location.
|
|
setFinalTransitionTransform();
|
|
mLauncher.getDragLayer().animateViewIntoPosition(d.dragView, view, this);
|
|
resetTransitionTransform();
|
|
}
|
|
mStatsLogManager.logger().withItemInfo(d.dragInfo).withInstanceId(d.logInstanceId)
|
|
.log(LauncherEvent.LAUNCHER_ITEM_DROP_COMPLETED);
|
|
}
|
|
|
|
}
|
|
|
|
private Drawable createWidgetDrawable(ItemInfo widgetInfo, View layout) {
|
|
int[] unScaledSize = estimateItemSize(widgetInfo);
|
|
int visibility = layout.getVisibility();
|
|
layout.setVisibility(VISIBLE);
|
|
|
|
int width = MeasureSpec.makeMeasureSpec(unScaledSize[0], MeasureSpec.EXACTLY);
|
|
int height = MeasureSpec.makeMeasureSpec(unScaledSize[1], MeasureSpec.EXACTLY);
|
|
layout.measure(width, height);
|
|
layout.layout(0, 0, unScaledSize[0], unScaledSize[1]);
|
|
Bitmap b = BitmapRenderer.createHardwareBitmap(
|
|
unScaledSize[0], unScaledSize[1], layout::draw);
|
|
layout.setVisibility(visibility);
|
|
return new FastBitmapDrawable(b);
|
|
}
|
|
|
|
private void getFinalPositionForDropAnimation(int[] loc, float[] scaleXY,
|
|
DragView dragView, CellLayout layout, ItemInfo info, int[] targetCell, boolean scale,
|
|
final View finalView) {
|
|
// Now we animate the dragView, (ie. the widget or shortcut preview) into its final
|
|
// location and size on the home screen.
|
|
int spanX = info.spanX;
|
|
int spanY = info.spanY;
|
|
|
|
Rect r = estimateItemPosition(layout, targetCell[0], targetCell[1], spanX, spanY);
|
|
if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET) {
|
|
DeviceProfile profile = mLauncher.getDeviceProfile();
|
|
if (finalView instanceof NavigableAppWidgetHostView) {
|
|
Rect widgetPadding = profile.widgetPadding;
|
|
r.left -= widgetPadding.left;
|
|
r.right += widgetPadding.right;
|
|
r.top -= widgetPadding.top;
|
|
r.bottom += widgetPadding.bottom;
|
|
}
|
|
PointF appWidgetScale = profile.getAppWidgetScale(null);
|
|
Utilities.shrinkRect(r, appWidgetScale.x, appWidgetScale.y);
|
|
}
|
|
|
|
mTempFXY[0] = r.left;
|
|
mTempFXY[1] = r.top;
|
|
setFinalTransitionTransform();
|
|
float cellLayoutScale =
|
|
mLauncher.getDragLayer().getDescendantCoordRelativeToSelf(layout, mTempFXY, true);
|
|
resetTransitionTransform();
|
|
Utilities.roundArray(mTempFXY, loc);
|
|
|
|
if (scale) {
|
|
float dragViewScaleX = (1.0f * r.width()) / dragView.getMeasuredWidth();
|
|
float dragViewScaleY = (1.0f * r.height()) / dragView.getMeasuredHeight();
|
|
|
|
// The animation will scale the dragView about its center, so we need to center about
|
|
// the final location.
|
|
loc[0] -= (dragView.getMeasuredWidth() - cellLayoutScale * r.width()) / 2
|
|
- Math.ceil(layout.getUnusedHorizontalSpace() / 2f);
|
|
loc[1] -= (dragView.getMeasuredHeight() - cellLayoutScale * r.height()) / 2;
|
|
scaleXY[0] = dragViewScaleX * cellLayoutScale;
|
|
scaleXY[1] = dragViewScaleY * cellLayoutScale;
|
|
} else {
|
|
// Since we are not cross-fading the dragView, align the drag view to the
|
|
// final cell position.
|
|
float dragScale = dragView.getInitialScale() * cellLayoutScale;
|
|
loc[0] += (dragScale - 1) * dragView.getWidth() / 2;
|
|
loc[1] += (dragScale - 1) * dragView.getHeight() / 2;
|
|
scaleXY[0] = scaleXY[1] = dragScale;
|
|
|
|
// If a dragRegion was provided, offset the final position accordingly.
|
|
Rect dragRegion = dragView.getDragRegion();
|
|
if (dragRegion != null) {
|
|
loc[0] += cellLayoutScale * dragRegion.left;
|
|
loc[1] += cellLayoutScale * dragRegion.top;
|
|
}
|
|
}
|
|
}
|
|
|
|
public void animateWidgetDrop(ItemInfo info, CellLayout cellLayout, final DragView dragView,
|
|
final Runnable onCompleteRunnable, int animationType, final View finalView,
|
|
boolean external) {
|
|
int[] finalPos = new int[2];
|
|
float scaleXY[] = new float[2];
|
|
boolean scalePreview = !(info instanceof PendingAddShortcutInfo);
|
|
getFinalPositionForDropAnimation(finalPos, scaleXY, dragView, cellLayout, info, mTargetCell,
|
|
scalePreview, finalView);
|
|
|
|
Resources res = mLauncher.getResources();
|
|
final int duration = res.getInteger(R.integer.config_dropAnimMaxDuration) - 200;
|
|
|
|
boolean isWidget = info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET ||
|
|
info.itemType == LauncherSettings.Favorites.ITEM_TYPE_CUSTOM_APPWIDGET;
|
|
if ((animationType == ANIMATE_INTO_POSITION_AND_RESIZE || external)
|
|
&& finalView != null
|
|
&& dragView.getContentView() != finalView) {
|
|
Drawable crossFadeDrawable = createWidgetDrawable(info, finalView);
|
|
dragView.crossFadeContent(crossFadeDrawable, (int) (duration * 0.8f));
|
|
} else if (isWidget && external) {
|
|
scaleXY[0] = scaleXY[1] = Math.min(scaleXY[0], scaleXY[1]);
|
|
}
|
|
|
|
DragLayer dragLayer = mLauncher.getDragLayer();
|
|
if (animationType == CANCEL_TWO_STAGE_WIDGET_DROP_ANIMATION) {
|
|
mLauncher.getDragLayer().animateViewIntoPosition(dragView, finalPos, 0f, 0.1f, 0.1f,
|
|
DragLayer.ANIMATION_END_DISAPPEAR, onCompleteRunnable, duration);
|
|
} else {
|
|
int endStyle;
|
|
if (animationType == ANIMATE_INTO_POSITION_AND_REMAIN) {
|
|
endStyle = DragLayer.ANIMATION_END_REMAIN_VISIBLE;
|
|
} else {
|
|
endStyle = DragLayer.ANIMATION_END_DISAPPEAR;
|
|
}
|
|
|
|
Runnable onComplete = new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
if (finalView != null) {
|
|
finalView.setVisibility(VISIBLE);
|
|
}
|
|
if (onCompleteRunnable != null) {
|
|
onCompleteRunnable.run();
|
|
}
|
|
}
|
|
};
|
|
dragLayer.animateViewIntoPosition(dragView, finalPos[0],
|
|
finalPos[1], 1, scaleXY[0], scaleXY[1], onComplete, endStyle,
|
|
duration, this);
|
|
}
|
|
}
|
|
|
|
public void setFinalTransitionTransform() {
|
|
if (isSwitchingState()) {
|
|
mCurrentScale = getScaleX();
|
|
setScaleX(mStateTransitionAnimation.getFinalScale());
|
|
setScaleY(mStateTransitionAnimation.getFinalScale());
|
|
}
|
|
}
|
|
|
|
public void resetTransitionTransform() {
|
|
if (isSwitchingState()) {
|
|
setScaleX(mCurrentScale);
|
|
setScaleY(mCurrentScale);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return the current CellInfo describing our current drag; this method exists
|
|
* so that Launcher can sync this object with the correct info when the activity is created/
|
|
* destroyed
|
|
*/
|
|
public CellLayout.CellInfo getDragInfo() {
|
|
return mDragInfo;
|
|
}
|
|
|
|
/**
|
|
* Calculate the nearest cell where the given object would be dropped.
|
|
* <p>
|
|
* pixelX and pixelY should be in the coordinate system of layout
|
|
*/
|
|
@Thunk
|
|
int[] findNearestArea(int pixelX, int pixelY,
|
|
int spanX, int spanY, CellLayout layout, int[] recycle) {
|
|
return layout.findNearestAreaIgnoreOccupied(
|
|
pixelX, pixelY, spanX, spanY, recycle);
|
|
}
|
|
|
|
void setup(DragController dragController) {
|
|
mSpringLoadedDragController = new SpringLoadedDragController(mLauncher);
|
|
mDragController = dragController;
|
|
|
|
// hardware layers on children are enabled on startup, but should be disabled until
|
|
// needed
|
|
updateChildrenLayersEnabled();
|
|
}
|
|
|
|
/**
|
|
* Called at the end of a drag which originated on the workspace.
|
|
*/
|
|
public void onDropCompleted(final View target, final DragObject d,
|
|
final boolean success) {
|
|
if (success) {
|
|
if (target != this && mDragInfo != null) {
|
|
removeWorkspaceItem(mDragInfo.cell);
|
|
}
|
|
} else if (mDragInfo != null) {
|
|
// When drag is cancelled, reattach content view back to its original parent.
|
|
if (mDragInfo.cell instanceof LauncherAppWidgetHostView && d.dragView != null) {
|
|
d.dragView.detachContentView(/* reattachToPreviousParent= */ true);
|
|
}
|
|
final CellLayout cellLayout = mLauncher.getCellLayout(
|
|
mDragInfo.container, mDragInfo.screenId);
|
|
if (cellLayout != null) {
|
|
cellLayout.onDropChild(mDragInfo.cell);
|
|
} else if (FeatureFlags.IS_STUDIO_BUILD) {
|
|
throw new RuntimeException("Invalid state: cellLayout == null in "
|
|
+ "Workspace#onDropCompleted. Please file a bug. ");
|
|
}
|
|
}
|
|
View cell = getHomescreenIconByItemId(d.originalDragInfo.id);
|
|
if (d.cancelled && cell != null) {
|
|
cell.setVisibility(VISIBLE);
|
|
}
|
|
mDragInfo = null;
|
|
}
|
|
|
|
/**
|
|
* For opposite operation. See {@link #addInScreen}.
|
|
*/
|
|
public void removeWorkspaceItem(View v) {
|
|
CellLayout parentCell = getParentCellLayoutForView(v);
|
|
if (parentCell != null) {
|
|
parentCell.removeView(v);
|
|
} else if (FeatureFlags.IS_STUDIO_BUILD) {
|
|
// When an app is uninstalled using the drop target, we wait until resume to remove
|
|
// the icon. We also remove all the corresponding items from the workspace at
|
|
// {@link Launcher#bindComponentsRemoved}. That call can come before or after
|
|
// {@link Launcher#mOnResumeCallbacks} depending on how busy the worker thread is.
|
|
Log.e(TAG, "mDragInfo.cell has null parent");
|
|
}
|
|
if (v instanceof DropTarget) {
|
|
mDragController.removeDropTarget((DropTarget) v);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Removed widget from workspace by appWidgetId
|
|
*
|
|
* @param appWidgetId
|
|
*/
|
|
public void removeWidget(int appWidgetId) {
|
|
mapOverItems((info, view) -> {
|
|
if (info instanceof LauncherAppWidgetInfo) {
|
|
LauncherAppWidgetInfo appWidgetInfo = (LauncherAppWidgetInfo) info;
|
|
if (appWidgetInfo.appWidgetId == appWidgetId) {
|
|
mLauncher.removeItem(view, appWidgetInfo, true,
|
|
"widget is removed in response to widget remove broadcast");
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Removes all folder listeners
|
|
*/
|
|
public void removeFolderListeners() {
|
|
mapOverItems(new ItemOperator() {
|
|
@Override
|
|
public boolean evaluate(ItemInfo info, View view) {
|
|
if (view instanceof FolderIcon) {
|
|
((FolderIcon) view).removeListeners();
|
|
}
|
|
return false;
|
|
}
|
|
});
|
|
}
|
|
|
|
public boolean isDropEnabled() {
|
|
return true;
|
|
}
|
|
|
|
@Override
|
|
protected void dispatchRestoreInstanceState(SparseArray<Parcelable> container) {
|
|
// We don't dispatch restoreInstanceState to our children using this code path.
|
|
// Some pages will be restored immediately as their items are bound immediately, and
|
|
// others we will need to wait until after their items are bound.
|
|
mSavedStates = container;
|
|
}
|
|
|
|
public void restoreInstanceStateForChild(int child) {
|
|
if (mSavedStates != null) {
|
|
mRestoredPages.add(child);
|
|
CellLayout cl = (CellLayout) getChildAt(child);
|
|
if (cl != null) {
|
|
cl.restoreInstanceState(mSavedStates);
|
|
}
|
|
}
|
|
}
|
|
|
|
public void restoreInstanceStateForRemainingPages() {
|
|
int count = getChildCount();
|
|
for (int i = 0; i < count; i++) {
|
|
if (!mRestoredPages.contains(i)) {
|
|
restoreInstanceStateForChild(i);
|
|
}
|
|
}
|
|
mRestoredPages.clear();
|
|
mSavedStates = null;
|
|
}
|
|
|
|
@Override
|
|
public boolean scrollLeft() {
|
|
boolean result = false;
|
|
if (!mIsSwitchingState && workspaceInScrollableState()) {
|
|
result = super.scrollLeft();
|
|
}
|
|
Folder openFolder = Folder.getOpen(mLauncher);
|
|
if (openFolder != null) {
|
|
openFolder.completeDragExit();
|
|
}
|
|
return result;
|
|
}
|
|
|
|
@Override
|
|
public boolean scrollRight() {
|
|
boolean result = false;
|
|
if (!mIsSwitchingState && workspaceInScrollableState()) {
|
|
result = super.scrollRight();
|
|
}
|
|
Folder openFolder = Folder.getOpen(mLauncher);
|
|
if (openFolder != null) {
|
|
openFolder.completeDragExit();
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* Returns a specific CellLayout
|
|
*/
|
|
CellLayout getParentCellLayoutForView(View v) {
|
|
for (CellLayout layout : getWorkspaceAndHotseatCellLayouts()) {
|
|
if (layout.getShortcutsAndWidgets().indexOfChild(v) > -1) {
|
|
return layout;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Returns a list of all the CellLayouts on the Homescreen.
|
|
*/
|
|
private CellLayout[] getWorkspaceAndHotseatCellLayouts() {
|
|
int screenCount = getChildCount();
|
|
final CellLayout[] layouts;
|
|
if (mLauncher.getHotseat() != null) {
|
|
layouts = new CellLayout[screenCount + 1];
|
|
layouts[screenCount] = mLauncher.getHotseat();
|
|
} else {
|
|
layouts = new CellLayout[screenCount];
|
|
}
|
|
for (int screen = 0; screen < screenCount; screen++) {
|
|
layouts[screen] = (CellLayout) getChildAt(screen);
|
|
}
|
|
return layouts;
|
|
}
|
|
|
|
public View getHomescreenIconByItemId(final int id) {
|
|
return getFirstMatch((info, v) -> info != null && info.id == id);
|
|
}
|
|
|
|
public LauncherAppWidgetHostView getWidgetForAppWidgetId(final int appWidgetId) {
|
|
return (LauncherAppWidgetHostView) getFirstMatch((info, v) ->
|
|
(info instanceof LauncherAppWidgetInfo) &&
|
|
((LauncherAppWidgetInfo) info).appWidgetId == appWidgetId);
|
|
}
|
|
|
|
public View getFirstMatch(final ItemOperator operator) {
|
|
final View[] value = new View[1];
|
|
mapOverItems(new ItemOperator() {
|
|
@Override
|
|
public boolean evaluate(ItemInfo info, View v) {
|
|
if (operator.evaluate(info, v)) {
|
|
value[0] = v;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
});
|
|
return value[0];
|
|
}
|
|
|
|
void clearDropTargets() {
|
|
mapOverItems(new ItemOperator() {
|
|
@Override
|
|
public boolean evaluate(ItemInfo info, View v) {
|
|
if (v instanceof DropTarget) {
|
|
mDragController.removeDropTarget((DropTarget) v);
|
|
}
|
|
// not done, process all the shortcuts
|
|
return false;
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Removes items that match the {@param matcher}. When applications are removed
|
|
* as a part of an update, this is called to ensure that other widgets and application
|
|
* shortcuts are not removed.
|
|
*/
|
|
public void removeItemsByMatcher(final Predicate<ItemInfo> matcher) {
|
|
for (CellLayout layout : getWorkspaceAndHotseatCellLayouts()) {
|
|
ShortcutAndWidgetContainer container = layout.getShortcutsAndWidgets();
|
|
// Iterate in reverse order as we are removing items
|
|
for (int i = container.getChildCount() - 1; i >= 0; i--) {
|
|
View child = container.getChildAt(i);
|
|
ItemInfo info = (ItemInfo) child.getTag();
|
|
|
|
if (matcher.test(info)) {
|
|
layout.removeViewInLayout(child);
|
|
if (child instanceof DropTarget) {
|
|
mDragController.removeDropTarget((DropTarget) child);
|
|
}
|
|
} else if (child instanceof FolderIcon) {
|
|
FolderInfo folderInfo = (FolderInfo) info;
|
|
List<WorkspaceItemInfo> matches = folderInfo.contents.stream()
|
|
.filter(matcher)
|
|
.collect(Collectors.toList());
|
|
if (!matches.isEmpty()) {
|
|
folderInfo.removeAll(matches, false);
|
|
if (((FolderIcon) child).getFolder().isOpen()) {
|
|
((FolderIcon) child).getFolder().close(false /* animate */);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Strip all the empty screens
|
|
stripEmptyScreens();
|
|
}
|
|
|
|
@Override
|
|
public void mapOverItems(ItemOperator op) {
|
|
for (CellLayout layout : getWorkspaceAndHotseatCellLayouts()) {
|
|
if (mapOverCellLayout(layout, op) != null) {
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Perform {param operator} over all the items in a given {param layout}.
|
|
*
|
|
* @return The first item that satisfies the operator or null.
|
|
*/
|
|
public View mapOverCellLayout(CellLayout layout, ItemOperator operator) {
|
|
// TODO(b/128460496) Potential race condition where layout is not yet loaded
|
|
if (layout == null) {
|
|
return null;
|
|
}
|
|
ShortcutAndWidgetContainer container = layout.getShortcutsAndWidgets();
|
|
// map over all the shortcuts on the workspace
|
|
final int itemCount = container.getChildCount();
|
|
for (int itemIdx = 0; itemIdx < itemCount; itemIdx++) {
|
|
View item = container.getChildAt(itemIdx);
|
|
if (operator.evaluate((ItemInfo) item.getTag(), item)) {
|
|
return item;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public void updateNotificationDots(Predicate<PackageUserKey> updatedDots) {
|
|
final PackageUserKey packageUserKey = new PackageUserKey(null, null);
|
|
Predicate<ItemInfo> matcher = info -> !packageUserKey.updateFromItemInfo(info)
|
|
|| updatedDots.test(packageUserKey);
|
|
|
|
ItemOperator op = (info, v) -> {
|
|
if (info instanceof WorkspaceItemInfo && v instanceof BubbleTextView) {
|
|
if (matcher.test(info)) {
|
|
((BubbleTextView) v).applyDotState(info, true /* animate */);
|
|
}
|
|
} else if (info instanceof FolderInfo && v instanceof FolderIcon) {
|
|
FolderInfo fi = (FolderInfo) info;
|
|
if (fi.contents.stream().anyMatch(matcher)) {
|
|
FolderDotInfo folderDotInfo = new FolderDotInfo();
|
|
for (WorkspaceItemInfo si : fi.contents) {
|
|
folderDotInfo.addDotInfo(mLauncher.getDotInfoForItem(si));
|
|
}
|
|
((FolderIcon) v).setDotInfo(folderDotInfo);
|
|
}
|
|
}
|
|
|
|
// process all the shortcuts
|
|
return false;
|
|
};
|
|
|
|
mapOverItems(op);
|
|
Folder folder = Folder.getOpen(mLauncher);
|
|
if (folder != null) {
|
|
folder.iterateOverItems(op);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Remove workspace icons & widget information related to items in matcher.
|
|
*
|
|
* @param matcher the matcher generated by the caller.
|
|
*/
|
|
public void persistRemoveItemsByMatcher(Predicate<ItemInfo> matcher,
|
|
@Nullable final String reason) {
|
|
mLauncher.getModelWriter().deleteItemsFromDatabase(matcher, reason);
|
|
removeItemsByMatcher(matcher);
|
|
}
|
|
|
|
public void widgetsRestored(final ArrayList<LauncherAppWidgetInfo> changedInfo) {
|
|
if (!changedInfo.isEmpty()) {
|
|
DeferredWidgetRefresh widgetRefresh = new DeferredWidgetRefresh(changedInfo,
|
|
mLauncher.getAppWidgetHolder());
|
|
|
|
LauncherAppWidgetInfo item = changedInfo.get(0);
|
|
final AppWidgetProviderInfo widgetInfo;
|
|
WidgetManagerHelper widgetHelper = new WidgetManagerHelper(getContext());
|
|
if (item.hasRestoreFlag(LauncherAppWidgetInfo.FLAG_ID_NOT_VALID)) {
|
|
widgetInfo = widgetHelper.findProvider(item.providerName, item.user);
|
|
} else {
|
|
widgetInfo = widgetHelper.getLauncherAppWidgetInfo(item.appWidgetId);
|
|
}
|
|
|
|
if (widgetInfo != null) {
|
|
// Re-inflate the widgets which have changed status
|
|
widgetRefresh.run();
|
|
} else {
|
|
// widgetRefresh will automatically run when the packages are updated.
|
|
// For now just update the progress bars
|
|
mapOverItems(new ItemOperator() {
|
|
@Override
|
|
public boolean evaluate(ItemInfo info, View view) {
|
|
if (view instanceof PendingAppWidgetHostView
|
|
&& changedInfo.contains(info)) {
|
|
((LauncherAppWidgetInfo) info).installProgress = 100;
|
|
((PendingAppWidgetHostView) view).applyState();
|
|
}
|
|
// process all the shortcuts
|
|
return false;
|
|
}
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
public boolean isOverlayShown() {
|
|
return mOverlayShown;
|
|
}
|
|
|
|
/**
|
|
* Calls {@link #snapToPage(int)} on the {@link #DEFAULT_PAGE}, then requests focus on it.
|
|
*/
|
|
public void moveToDefaultScreen() {
|
|
int page = DEFAULT_PAGE;
|
|
if (!workspaceInModalState() && getNextPage() != page) {
|
|
snapToPage(page);
|
|
}
|
|
View child = getChildAt(page);
|
|
if (child != null) {
|
|
child.requestFocus();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set the given view's pivot point to match the workspace's, so that it scales together. Since
|
|
* both this view and workspace can move, transform the point manually instead of using
|
|
* dragLayer.getDescendantCoordRelativeToSelf and related methods.
|
|
*/
|
|
public void setPivotToScaleWithSelf(View sibling) {
|
|
sibling.setPivotY(getPivotY() + getTop()
|
|
- sibling.getTop() - sibling.getTranslationY());
|
|
sibling.setPivotX(getPivotX() + getLeft()
|
|
- sibling.getLeft() - sibling.getTranslationX());
|
|
}
|
|
|
|
@Override
|
|
public int getExpectedHeight() {
|
|
return getMeasuredHeight() <= 0 || !mIsLayoutValid
|
|
? mLauncher.getDeviceProfile().heightPx : getMeasuredHeight();
|
|
}
|
|
|
|
@Override
|
|
public int getExpectedWidth() {
|
|
return getMeasuredWidth() <= 0 || !mIsLayoutValid
|
|
? mLauncher.getDeviceProfile().widthPx : getMeasuredWidth();
|
|
}
|
|
|
|
@Override
|
|
protected boolean canAnnouncePageDescription() {
|
|
// Disable announcements while overscrolling potentially to overlay screen because if we end
|
|
// up on the overlay screen, it will take care of announcing itself.
|
|
return Float.compare(mOverlayProgress, 0f) == 0;
|
|
}
|
|
|
|
@Override
|
|
protected String getCurrentPageDescription() {
|
|
int page = (mNextPage != INVALID_PAGE) ? mNextPage : mCurrentPage;
|
|
return getPageDescription(page);
|
|
}
|
|
|
|
/**
|
|
* @param page page index.
|
|
* @return Description of the page at the given page index.
|
|
*/
|
|
public String getPageDescription(int page) {
|
|
int nScreens = getChildCount();
|
|
int extraScreenId = mScreenOrder.indexOf(EXTRA_EMPTY_SCREEN_ID);
|
|
if (extraScreenId >= 0 && nScreens > 1) {
|
|
if (page == extraScreenId) {
|
|
return getContext().getString(R.string.workspace_new_page);
|
|
}
|
|
nScreens--;
|
|
}
|
|
if (nScreens == 0) {
|
|
// When the workspace is not loaded, we do not know how many screen will be bound.
|
|
return getContext().getString(R.string.home_screen);
|
|
}
|
|
int panelCount = getPanelCount();
|
|
int currentPage = (page / panelCount) + 1;
|
|
int totalPages = nScreens / panelCount + nScreens % panelCount;
|
|
return getContext().getString(R.string.workspace_scroll_format, currentPage, totalPages);
|
|
}
|
|
|
|
@Override
|
|
protected boolean isSignificantMove(float absoluteDelta, int pageOrientedSize) {
|
|
DeviceProfile deviceProfile = mLauncher.getDeviceProfile();
|
|
if (!deviceProfile.isTablet) {
|
|
return super.isSignificantMove(absoluteDelta, pageOrientedSize);
|
|
}
|
|
|
|
return absoluteDelta
|
|
> deviceProfile.availableWidthPx * SIGNIFICANT_MOVE_SCREEN_WIDTH_PERCENTAGE;
|
|
}
|
|
|
|
@Override
|
|
public CellPosMapper getCellPosMapper() {
|
|
return mLauncher.getCellPosMapper();
|
|
}
|
|
|
|
/**
|
|
* Used as a workaround to ensure that the AppWidgetService receives the
|
|
* PACKAGE_ADDED broadcast before updating widgets.
|
|
*/
|
|
private class DeferredWidgetRefresh implements Runnable, ProviderChangedListener {
|
|
private final ArrayList<LauncherAppWidgetInfo> mInfos;
|
|
private final LauncherWidgetHolder mWidgetHolder;
|
|
private final Handler mHandler;
|
|
|
|
private boolean mRefreshPending;
|
|
|
|
DeferredWidgetRefresh(ArrayList<LauncherAppWidgetInfo> infos,
|
|
LauncherWidgetHolder holder) {
|
|
mInfos = infos;
|
|
mWidgetHolder = holder;
|
|
mHandler = mLauncher.mHandler;
|
|
mRefreshPending = true;
|
|
|
|
mWidgetHolder.addProviderChangeListener(this);
|
|
// Force refresh after 10 seconds, if we don't get the provider changed event.
|
|
// This could happen when the provider is no longer available in the app.
|
|
Message msg = Message.obtain(mHandler, this);
|
|
msg.obj = DeferredWidgetRefresh.class;
|
|
mHandler.sendMessageDelayed(msg, 10000);
|
|
}
|
|
|
|
@Override
|
|
public void run() {
|
|
mWidgetHolder.removeProviderChangeListener(this);
|
|
mHandler.removeCallbacks(this);
|
|
|
|
if (!mRefreshPending) {
|
|
return;
|
|
}
|
|
|
|
mRefreshPending = false;
|
|
|
|
ArrayList<PendingAppWidgetHostView> views = new ArrayList<>(mInfos.size());
|
|
mapOverItems((info, view) -> {
|
|
if (view instanceof PendingAppWidgetHostView && mInfos.contains(info)) {
|
|
views.add((PendingAppWidgetHostView) view);
|
|
}
|
|
// process all children
|
|
return false;
|
|
});
|
|
for (PendingAppWidgetHostView view : views) {
|
|
view.reInflate();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void notifyWidgetProvidersChanged() {
|
|
run();
|
|
}
|
|
}
|
|
|
|
private class StateTransitionListener extends AnimatorListenerAdapter
|
|
implements AnimatorUpdateListener {
|
|
|
|
@Override
|
|
public void onAnimationUpdate(ValueAnimator anim) {
|
|
mTransitionProgress = anim.getAnimatedFraction();
|
|
}
|
|
|
|
@Override
|
|
public void onAnimationStart(Animator animation) {
|
|
onStartStateTransition();
|
|
}
|
|
|
|
@Override
|
|
public void onAnimationEnd(Animator animation) {
|
|
onEndStateTransition();
|
|
}
|
|
}
|
|
}
|