/* * Copyright (C) 2015 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.systemui.stackdivider; import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY; import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_SECONDARY; import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED; import static android.view.PointerIcon.TYPE_HORIZONTAL_DOUBLE_ARROW; import static android.view.PointerIcon.TYPE_VERTICAL_DOUBLE_ARROW; import static android.view.WindowManager.DOCKED_LEFT; import static android.view.WindowManager.DOCKED_RIGHT; import android.animation.Animator; import android.animation.AnimatorListenerAdapter; import android.animation.ValueAnimator; import android.annotation.Nullable; import android.content.Context; import android.content.res.Configuration; import android.graphics.Rect; import android.graphics.Region.Op; import android.hardware.display.DisplayManager; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.util.AttributeSet; import android.view.Choreographer; import android.view.Display; import android.view.DisplayInfo; import android.view.MotionEvent; import android.view.PointerIcon; import android.view.VelocityTracker; import android.view.View; import android.view.View.OnTouchListener; import android.view.ViewConfiguration; import android.view.ViewTreeObserver.InternalInsetsInfo; import android.view.ViewTreeObserver.OnComputeInternalInsetsListener; import android.view.WindowInsets; import android.view.WindowManager; import android.view.accessibility.AccessibilityNodeInfo; import android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction; import android.view.animation.Interpolator; import android.view.animation.PathInterpolator; import android.widget.FrameLayout; import com.android.internal.logging.MetricsLogger; import com.android.internal.logging.nano.MetricsProto.MetricsEvent; import com.android.internal.policy.DividerSnapAlgorithm; import com.android.internal.policy.DividerSnapAlgorithm.SnapTarget; import com.android.internal.policy.DockedDividerUtils; import com.android.internal.view.SurfaceFlingerVsyncChoreographer; import com.android.systemui.Interpolators; import com.android.systemui.R; import com.android.systemui.recents.events.EventBus; import com.android.systemui.recents.events.activity.DockedFirstAnimationFrameEvent; import com.android.systemui.recents.events.activity.DockedTopTaskEvent; import com.android.systemui.recents.events.activity.RecentsActivityStartingEvent; import com.android.systemui.recents.events.activity.UndockingTaskEvent; import com.android.systemui.recents.events.ui.RecentsGrowingEvent; import com.android.systemui.recents.misc.SystemServicesProxy; import com.android.systemui.stackdivider.events.StartedDragingEvent; import com.android.systemui.stackdivider.events.StoppedDragingEvent; import com.android.systemui.statusbar.FlingAnimationUtils; import com.android.systemui.statusbar.phone.NavigationBarGestureHelper; /** * Docked stack divider. */ public class DividerView extends FrameLayout implements OnTouchListener, OnComputeInternalInsetsListener { static final long TOUCH_ANIMATION_DURATION = 150; static final long TOUCH_RELEASE_ANIMATION_DURATION = 200; public static final int INVALID_RECENTS_GROW_TARGET = -1; private static final int LOG_VALUE_RESIZE_50_50 = 0; private static final int LOG_VALUE_RESIZE_DOCKED_SMALLER = 1; private static final int LOG_VALUE_RESIZE_DOCKED_LARGER = 2; private static final int LOG_VALUE_UNDOCK_MAX_DOCKED = 0; private static final int LOG_VALUE_UNDOCK_MAX_OTHER = 1; private static final int TASK_POSITION_SAME = Integer.MAX_VALUE; /** * How much the background gets scaled when we are in the minimized dock state. */ private static final float MINIMIZE_DOCK_SCALE = 0f; private static final float ADJUSTED_FOR_IME_SCALE = 0.5f; private static final PathInterpolator SLOWDOWN_INTERPOLATOR = new PathInterpolator(0.5f, 1f, 0.5f, 1f); private static final PathInterpolator DIM_INTERPOLATOR = new PathInterpolator(.23f, .87f, .52f, -0.11f); private static final Interpolator IME_ADJUST_INTERPOLATOR = new PathInterpolator(0.2f, 0f, 0.1f, 1f); private static final int MSG_RESIZE_STACK = 0; private DividerHandleView mHandle; private View mBackground; private MinimizedDockShadow mMinimizedShadow; private int mStartX; private int mStartY; private int mStartPosition; private int mDockSide; private final int[] mTempInt2 = new int[2]; private boolean mMoving; private int mTouchSlop; private boolean mBackgroundLifted; private boolean mIsInMinimizeInteraction; private SnapTarget mSnapTargetBeforeMinimized; private int mDividerInsets; private final Display mDefaultDisplay; private int mDisplayWidth; private int mDisplayHeight; private int mDisplayRotation; private int mDividerWindowWidth; private int mDividerSize; private int mTouchElevation; private int mLongPressEntraceAnimDuration; private final Rect mDockedRect = new Rect(); private final Rect mDockedTaskRect = new Rect(); private final Rect mOtherTaskRect = new Rect(); private final Rect mOtherRect = new Rect(); private final Rect mDockedInsetRect = new Rect(); private final Rect mOtherInsetRect = new Rect(); private final Rect mLastResizeRect = new Rect(); private final Rect mTmpRect = new Rect(); private final WindowManagerProxy mWindowManagerProxy = WindowManagerProxy.getInstance(); private DividerWindowManager mWindowManager; private VelocityTracker mVelocityTracker; private FlingAnimationUtils mFlingAnimationUtils; private DividerSnapAlgorithm mSnapAlgorithm; private DividerSnapAlgorithm mMinimizedSnapAlgorithm; private final Rect mStableInsets = new Rect(); private boolean mGrowRecents; private ValueAnimator mCurrentAnimator; private boolean mEntranceAnimationRunning; private boolean mExitAnimationRunning; private int mExitStartPosition; private boolean mDockedStackMinimized; private boolean mHomeStackResizable; private boolean mAdjustedForIme; private DividerState mState; private final SurfaceFlingerVsyncChoreographer mSfChoreographer; // The view is removed or in the process of been removed from the system. private boolean mRemoved; private final Handler mHandler = new Handler() { @Override public void handleMessage(Message msg) { switch (msg.what) { case MSG_RESIZE_STACK: resizeStack(msg.arg1, msg.arg2, (SnapTarget) msg.obj); break; default: super.handleMessage(msg); } } }; private final AccessibilityDelegate mHandleDelegate = new AccessibilityDelegate() { @Override public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfo info) { super.onInitializeAccessibilityNodeInfo(host, info); final DividerSnapAlgorithm snapAlgorithm = getSnapAlgorithm(); if (isHorizontalDivision()) { info.addAction(new AccessibilityAction(R.id.action_move_tl_full, mContext.getString(R.string.accessibility_action_divider_top_full))); if (snapAlgorithm.isFirstSplitTargetAvailable()) { info.addAction(new AccessibilityAction(R.id.action_move_tl_70, mContext.getString(R.string.accessibility_action_divider_top_70))); } if (snapAlgorithm.showMiddleSplitTargetForAccessibility()) { // Only show the middle target if there are more than 1 split target info.addAction(new AccessibilityAction(R.id.action_move_tl_50, mContext.getString(R.string.accessibility_action_divider_top_50))); } if (snapAlgorithm.isLastSplitTargetAvailable()) { info.addAction(new AccessibilityAction(R.id.action_move_tl_30, mContext.getString(R.string.accessibility_action_divider_top_30))); } info.addAction(new AccessibilityAction(R.id.action_move_rb_full, mContext.getString(R.string.accessibility_action_divider_bottom_full))); } else { info.addAction(new AccessibilityAction(R.id.action_move_tl_full, mContext.getString(R.string.accessibility_action_divider_left_full))); if (snapAlgorithm.isFirstSplitTargetAvailable()) { info.addAction(new AccessibilityAction(R.id.action_move_tl_70, mContext.getString(R.string.accessibility_action_divider_left_70))); } if (snapAlgorithm.showMiddleSplitTargetForAccessibility()) { // Only show the middle target if there are more than 1 split target info.addAction(new AccessibilityAction(R.id.action_move_tl_50, mContext.getString(R.string.accessibility_action_divider_left_50))); } if (snapAlgorithm.isLastSplitTargetAvailable()) { info.addAction(new AccessibilityAction(R.id.action_move_tl_30, mContext.getString(R.string.accessibility_action_divider_left_30))); } info.addAction(new AccessibilityAction(R.id.action_move_rb_full, mContext.getString(R.string.accessibility_action_divider_right_full))); } } @Override public boolean performAccessibilityAction(View host, int action, Bundle args) { int currentPosition = getCurrentPosition(); SnapTarget nextTarget = null; switch (action) { case R.id.action_move_tl_full: nextTarget = mSnapAlgorithm.getDismissEndTarget(); break; case R.id.action_move_tl_70: nextTarget = mSnapAlgorithm.getLastSplitTarget(); break; case R.id.action_move_tl_50: nextTarget = mSnapAlgorithm.getMiddleTarget(); break; case R.id.action_move_tl_30: nextTarget = mSnapAlgorithm.getFirstSplitTarget(); break; case R.id.action_move_rb_full: nextTarget = mSnapAlgorithm.getDismissStartTarget(); break; } if (nextTarget != null) { startDragging(true /* animate */, false /* touching */); stopDragging(currentPosition, nextTarget, 250, Interpolators.FAST_OUT_SLOW_IN); return true; } return super.performAccessibilityAction(host, action, args); } }; private final Runnable mResetBackgroundRunnable = new Runnable() { @Override public void run() { resetBackground(); } }; public DividerView(Context context) { this(context, null); } public DividerView(Context context, @Nullable AttributeSet attrs) { this(context, attrs, 0); } public DividerView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) { this(context, attrs, defStyleAttr, 0); } public DividerView(Context context, @Nullable AttributeSet attrs, int defStyleAttr, int defStyleRes) { super(context, attrs, defStyleAttr, defStyleRes); mSfChoreographer = new SurfaceFlingerVsyncChoreographer(mHandler, context.getDisplay(), Choreographer.getInstance()); final DisplayManager displayManager = (DisplayManager) mContext.getSystemService(Context.DISPLAY_SERVICE); mDefaultDisplay = displayManager.getDisplay(Display.DEFAULT_DISPLAY); } @Override protected void onFinishInflate() { super.onFinishInflate(); mHandle = findViewById(R.id.docked_divider_handle); mBackground = findViewById(R.id.docked_divider_background); mMinimizedShadow = findViewById(R.id.minimized_dock_shadow); mHandle.setOnTouchListener(this); mDividerWindowWidth = getResources().getDimensionPixelSize( com.android.internal.R.dimen.docked_stack_divider_thickness); mDividerInsets = getResources().getDimensionPixelSize( com.android.internal.R.dimen.docked_stack_divider_insets); mDividerSize = mDividerWindowWidth - 2 * mDividerInsets; mTouchElevation = getResources().getDimensionPixelSize( R.dimen.docked_stack_divider_lift_elevation); mLongPressEntraceAnimDuration = getResources().getInteger( R.integer.long_press_dock_anim_duration); mGrowRecents = getResources().getBoolean(R.bool.recents_grow_in_multiwindow); mTouchSlop = ViewConfiguration.get(mContext).getScaledTouchSlop(); mFlingAnimationUtils = new FlingAnimationUtils(getContext(), 0.3f); updateDisplayInfo(); boolean landscape = getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE; mHandle.setPointerIcon(PointerIcon.getSystemIcon(getContext(), landscape ? TYPE_HORIZONTAL_DOUBLE_ARROW : TYPE_VERTICAL_DOUBLE_ARROW)); getViewTreeObserver().addOnComputeInternalInsetsListener(this); mHandle.setAccessibilityDelegate(mHandleDelegate); } @Override protected void onAttachedToWindow() { super.onAttachedToWindow(); EventBus.getDefault().register(this); // Save the current target if not minimized once attached to window if (mHomeStackResizable && mDockSide != WindowManager.DOCKED_INVALID && !mIsInMinimizeInteraction) { saveSnapTargetBeforeMinimized(mSnapTargetBeforeMinimized); } } @Override protected void onDetachedFromWindow() { super.onDetachedFromWindow(); EventBus.getDefault().unregister(this); } void onDividerRemoved() { mRemoved = true; mHandler.removeMessages(MSG_RESIZE_STACK); } @Override public WindowInsets onApplyWindowInsets(WindowInsets insets) { if (mStableInsets.left != insets.getStableInsetLeft() || mStableInsets.top != insets.getStableInsetTop() || mStableInsets.right != insets.getStableInsetRight() || mStableInsets.bottom != insets.getStableInsetBottom()) { mStableInsets.set(insets.getStableInsetLeft(), insets.getStableInsetTop(), insets.getStableInsetRight(), insets.getStableInsetBottom()); if (mSnapAlgorithm != null || mMinimizedSnapAlgorithm != null) { mSnapAlgorithm = null; mMinimizedSnapAlgorithm = null; initializeSnapAlgorithm(); } } return super.onApplyWindowInsets(insets); } @Override protected void onLayout(boolean changed, int left, int top, int right, int bottom) { super.onLayout(changed, left, top, right, bottom); int minimizeLeft = 0; int minimizeTop = 0; if (mDockSide == WindowManager.DOCKED_TOP) { minimizeTop = mBackground.getTop(); } else if (mDockSide == WindowManager.DOCKED_LEFT) { minimizeLeft = mBackground.getLeft(); } else if (mDockSide == WindowManager.DOCKED_RIGHT) { minimizeLeft = mBackground.getRight() - mMinimizedShadow.getWidth(); } mMinimizedShadow.layout(minimizeLeft, minimizeTop, minimizeLeft + mMinimizedShadow.getMeasuredWidth(), minimizeTop + mMinimizedShadow.getMeasuredHeight()); if (changed) { mWindowManagerProxy.setTouchRegion(new Rect(mHandle.getLeft(), mHandle.getTop(), mHandle.getRight(), mHandle.getBottom())); } } public void injectDependencies(DividerWindowManager windowManager, DividerState dividerState) { mWindowManager = windowManager; mState = dividerState; // Set the previous position ratio before minimized state after attaching this divider if (mStableInsets.isEmpty()) { SystemServicesProxy.getInstance(mContext).getStableInsets(mStableInsets); } if (mState.mRatioPositionBeforeMinimized == 0) { // Set the middle target as the initial state mSnapTargetBeforeMinimized = mSnapAlgorithm.getMiddleTarget(); } else { repositionSnapTargetBeforeMinimized(); } } public WindowManagerProxy getWindowManagerProxy() { return mWindowManagerProxy; } public Rect getNonMinimizedSplitScreenSecondaryBounds() { calculateBoundsForPosition(mSnapTargetBeforeMinimized.position, DockedDividerUtils.invertDockSide(mDockSide), mOtherTaskRect); mOtherTaskRect.bottom -= mStableInsets.bottom; switch (mDockSide) { case WindowManager.DOCKED_LEFT: mOtherTaskRect.top += mStableInsets.top; mOtherTaskRect.right -= mStableInsets.right; break; case WindowManager.DOCKED_RIGHT: mOtherTaskRect.top += mStableInsets.top; mOtherTaskRect.left += mStableInsets.left; break; } return mOtherTaskRect; } public boolean startDragging(boolean animate, boolean touching) { cancelFlingAnimation(); if (touching) { mHandle.setTouching(true, animate); } mDockSide = mWindowManagerProxy.getDockSide(); // Update snap algorithm if rotation has occurred if (mDisplayRotation != mDefaultDisplay.getRotation()) { updateDisplayInfo(); } initializeSnapAlgorithm(); mWindowManagerProxy.setResizing(true); if (touching) { mWindowManager.setSlippery(false); liftBackground(); } EventBus.getDefault().send(new StartedDragingEvent()); return mDockSide != WindowManager.DOCKED_INVALID; } public void stopDragging(int position, float velocity, boolean avoidDismissStart, boolean logMetrics) { mHandle.setTouching(false, true /* animate */); fling(position, velocity, avoidDismissStart, logMetrics); mWindowManager.setSlippery(true); releaseBackground(); } public void stopDragging(int position, SnapTarget target, long duration, Interpolator interpolator) { stopDragging(position, target, duration, 0 /* startDelay*/, 0 /* endDelay */, interpolator); } public void stopDragging(int position, SnapTarget target, long duration, Interpolator interpolator, long endDelay) { stopDragging(position, target, duration, 0 /* startDelay*/, endDelay, interpolator); } public void stopDragging(int position, SnapTarget target, long duration, long startDelay, long endDelay, Interpolator interpolator) { mHandle.setTouching(false, true /* animate */); flingTo(position, target, duration, startDelay, endDelay, interpolator); mWindowManager.setSlippery(true); releaseBackground(); } private void stopDragging() { mHandle.setTouching(false, true /* animate */); mWindowManager.setSlippery(true); releaseBackground(); } private void updateDockSide() { mDockSide = mWindowManagerProxy.getDockSide(); mMinimizedShadow.setDockSide(mDockSide); } private void initializeSnapAlgorithm() { if (mSnapAlgorithm == null) { mSnapAlgorithm = new DividerSnapAlgorithm(getContext().getResources(), mDisplayWidth, mDisplayHeight, mDividerSize, isHorizontalDivision(), mStableInsets, mDockSide); } if (mMinimizedSnapAlgorithm == null) { mMinimizedSnapAlgorithm = new DividerSnapAlgorithm(getContext().getResources(), mDisplayWidth, mDisplayHeight, mDividerSize, isHorizontalDivision(), mStableInsets, mDockSide, mDockedStackMinimized && mHomeStackResizable); } } public DividerSnapAlgorithm getSnapAlgorithm() { initializeSnapAlgorithm(); return mDockedStackMinimized && mHomeStackResizable ? mMinimizedSnapAlgorithm : mSnapAlgorithm; } public int getCurrentPosition() { getLocationOnScreen(mTempInt2); if (isHorizontalDivision()) { return mTempInt2[1] + mDividerInsets; } else { return mTempInt2[0] + mDividerInsets; } } @Override public boolean onTouch(View v, MotionEvent event) { convertToScreenCoordinates(event); final int action = event.getAction() & MotionEvent.ACTION_MASK; switch (action) { case MotionEvent.ACTION_DOWN: mVelocityTracker = VelocityTracker.obtain(); mVelocityTracker.addMovement(event); mStartX = (int) event.getX(); mStartY = (int) event.getY(); boolean result = startDragging(true /* animate */, true /* touching */); if (!result) { // Weren't able to start dragging successfully, so cancel it again. stopDragging(); } mStartPosition = getCurrentPosition(); mMoving = false; return result; case MotionEvent.ACTION_MOVE: mVelocityTracker.addMovement(event); int x = (int) event.getX(); int y = (int) event.getY(); boolean exceededTouchSlop = isHorizontalDivision() && Math.abs(y - mStartY) > mTouchSlop || (!isHorizontalDivision() && Math.abs(x - mStartX) > mTouchSlop); if (!mMoving && exceededTouchSlop) { mStartX = x; mStartY = y; mMoving = true; } if (mMoving && mDockSide != WindowManager.DOCKED_INVALID) { SnapTarget snapTarget = getSnapAlgorithm().calculateSnapTarget( mStartPosition, 0 /* velocity */, false /* hardDismiss */); resizeStackDelayed(calculatePosition(x, y), mStartPosition, snapTarget); } break; case MotionEvent.ACTION_UP: case MotionEvent.ACTION_CANCEL: mVelocityTracker.addMovement(event); x = (int) event.getRawX(); y = (int) event.getRawY(); mVelocityTracker.computeCurrentVelocity(1000); int position = calculatePosition(x, y); stopDragging(position, isHorizontalDivision() ? mVelocityTracker.getYVelocity() : mVelocityTracker.getXVelocity(), false /* avoidDismissStart */, true /* log */); mMoving = false; break; } return true; } private void logResizeEvent(SnapTarget snapTarget) { if (snapTarget == mSnapAlgorithm.getDismissStartTarget()) { MetricsLogger.action( mContext, MetricsEvent.ACTION_WINDOW_UNDOCK_MAX, dockSideTopLeft(mDockSide) ? LOG_VALUE_UNDOCK_MAX_OTHER : LOG_VALUE_UNDOCK_MAX_DOCKED); } else if (snapTarget == mSnapAlgorithm.getDismissEndTarget()) { MetricsLogger.action( mContext, MetricsEvent.ACTION_WINDOW_UNDOCK_MAX, dockSideBottomRight(mDockSide) ? LOG_VALUE_UNDOCK_MAX_OTHER : LOG_VALUE_UNDOCK_MAX_DOCKED); } else if (snapTarget == mSnapAlgorithm.getMiddleTarget()) { MetricsLogger.action(mContext, MetricsEvent.ACTION_WINDOW_DOCK_RESIZE, LOG_VALUE_RESIZE_50_50); } else if (snapTarget == mSnapAlgorithm.getFirstSplitTarget()) { MetricsLogger.action(mContext, MetricsEvent.ACTION_WINDOW_DOCK_RESIZE, dockSideTopLeft(mDockSide) ? LOG_VALUE_RESIZE_DOCKED_SMALLER : LOG_VALUE_RESIZE_DOCKED_LARGER); } else if (snapTarget == mSnapAlgorithm.getLastSplitTarget()) { MetricsLogger.action(mContext, MetricsEvent.ACTION_WINDOW_DOCK_RESIZE, dockSideTopLeft(mDockSide) ? LOG_VALUE_RESIZE_DOCKED_LARGER : LOG_VALUE_RESIZE_DOCKED_SMALLER); } } private void convertToScreenCoordinates(MotionEvent event) { event.setLocation(event.getRawX(), event.getRawY()); } private void fling(int position, float velocity, boolean avoidDismissStart, boolean logMetrics) { DividerSnapAlgorithm currentSnapAlgorithm = getSnapAlgorithm(); SnapTarget snapTarget = currentSnapAlgorithm.calculateSnapTarget(position, velocity); if (avoidDismissStart && snapTarget == currentSnapAlgorithm.getDismissStartTarget()) { snapTarget = currentSnapAlgorithm.getFirstSplitTarget(); } if (logMetrics) { logResizeEvent(snapTarget); } ValueAnimator anim = getFlingAnimator(position, snapTarget, 0 /* endDelay */); mFlingAnimationUtils.apply(anim, position, snapTarget.position, velocity); anim.start(); } private void flingTo(int position, SnapTarget target, long duration, long startDelay, long endDelay, Interpolator interpolator) { ValueAnimator anim = getFlingAnimator(position, target, endDelay); anim.setDuration(duration); anim.setStartDelay(startDelay); anim.setInterpolator(interpolator); anim.start(); } private ValueAnimator getFlingAnimator(int position, final SnapTarget snapTarget, final long endDelay) { if (mCurrentAnimator != null) { cancelFlingAnimation(); updateDockSide(); } final boolean taskPositionSameAtEnd = snapTarget.flag == SnapTarget.FLAG_NONE; ValueAnimator anim = ValueAnimator.ofInt(position, snapTarget.position); anim.addUpdateListener(animation -> resizeStackDelayed((int) animation.getAnimatedValue(), taskPositionSameAtEnd && animation.getAnimatedFraction() == 1f ? TASK_POSITION_SAME : snapTarget.taskPosition, snapTarget)); Runnable endAction = () -> { commitSnapFlags(snapTarget); mWindowManagerProxy.setResizing(false); updateDockSide(); mCurrentAnimator = null; mEntranceAnimationRunning = false; mExitAnimationRunning = false; EventBus.getDefault().send(new StoppedDragingEvent()); // Record last snap target the divider moved to if (mHomeStackResizable && !mIsInMinimizeInteraction) { // The last snapTarget position can be negative when the last divider position was // offscreen. In that case, save the middle (default) SnapTarget so calculating next // position isn't negative. final SnapTarget saveTarget; if (snapTarget.position < 0) { saveTarget = mSnapAlgorithm.getMiddleTarget(); } else { saveTarget = snapTarget; } if (saveTarget.position != mSnapAlgorithm.getDismissEndTarget().position && saveTarget.position != mSnapAlgorithm.getDismissStartTarget().position) { saveSnapTargetBeforeMinimized(saveTarget); } } }; Runnable notCancelledEndAction = () -> { // Reset minimized divider position after unminimized state animation finishes if (!mDockedStackMinimized && mIsInMinimizeInteraction) { mIsInMinimizeInteraction = false; } }; anim.addListener(new AnimatorListenerAdapter() { private boolean mCancelled; @Override public void onAnimationCancel(Animator animation) { mHandler.removeMessages(MSG_RESIZE_STACK); mCancelled = true; } @Override public void onAnimationEnd(Animator animation) { long delay = 0; if (endDelay != 0) { delay = endDelay; } else if (mCancelled) { delay = 0; } else if (mSfChoreographer.getSurfaceFlingerOffsetMs() > 0) { delay = mSfChoreographer.getSurfaceFlingerOffsetMs(); } if (delay == 0) { if (!mCancelled) { notCancelledEndAction.run(); } endAction.run(); } else { if (!mCancelled) { mHandler.postDelayed(notCancelledEndAction, delay); } mHandler.postDelayed(endAction, delay); } } }); mCurrentAnimator = anim; return anim; } private void cancelFlingAnimation() { if (mCurrentAnimator != null) { mCurrentAnimator.cancel(); } } private void commitSnapFlags(SnapTarget target) { if (target.flag == SnapTarget.FLAG_NONE) { return; } boolean dismissOrMaximize; if (target.flag == SnapTarget.FLAG_DISMISS_START) { dismissOrMaximize = mDockSide == WindowManager.DOCKED_LEFT || mDockSide == WindowManager.DOCKED_TOP; } else { dismissOrMaximize = mDockSide == WindowManager.DOCKED_RIGHT || mDockSide == WindowManager.DOCKED_BOTTOM; } if (dismissOrMaximize) { mWindowManagerProxy.dismissDockedStack(); } else { mWindowManagerProxy.maximizeDockedStack(); } mWindowManagerProxy.setResizeDimLayer(false, WINDOWING_MODE_UNDEFINED, 0f); } private void liftBackground() { if (mBackgroundLifted) { return; } if (isHorizontalDivision()) { mBackground.animate().scaleY(1.4f); } else { mBackground.animate().scaleX(1.4f); } mBackground.animate() .setInterpolator(Interpolators.TOUCH_RESPONSE) .setDuration(TOUCH_ANIMATION_DURATION) .translationZ(mTouchElevation) .start(); // Lift handle as well so it doesn't get behind the background, even though it doesn't // cast shadow. mHandle.animate() .setInterpolator(Interpolators.TOUCH_RESPONSE) .setDuration(TOUCH_ANIMATION_DURATION) .translationZ(mTouchElevation) .start(); mBackgroundLifted = true; } private void releaseBackground() { if (!mBackgroundLifted) { return; } mBackground.animate() .setInterpolator(Interpolators.FAST_OUT_SLOW_IN) .setDuration(TOUCH_RELEASE_ANIMATION_DURATION) .translationZ(0) .scaleX(1f) .scaleY(1f) .start(); mHandle.animate() .setInterpolator(Interpolators.FAST_OUT_SLOW_IN) .setDuration(TOUCH_RELEASE_ANIMATION_DURATION) .translationZ(0) .start(); mBackgroundLifted = false; } public void setMinimizedDockStack(boolean minimized, boolean isHomeStackResizable) { mHomeStackResizable = isHomeStackResizable; updateDockSide(); if (!minimized) { resetBackground(); } else if (!isHomeStackResizable) { if (mDockSide == WindowManager.DOCKED_TOP) { mBackground.setPivotY(0); mBackground.setScaleY(MINIMIZE_DOCK_SCALE); } else if (mDockSide == WindowManager.DOCKED_LEFT || mDockSide == WindowManager.DOCKED_RIGHT) { mBackground.setPivotX(mDockSide == WindowManager.DOCKED_LEFT ? 0 : mBackground.getWidth()); mBackground.setScaleX(MINIMIZE_DOCK_SCALE); } } mMinimizedShadow.setAlpha(minimized ? 1f : 0f); if (!isHomeStackResizable) { mHandle.setAlpha(minimized ? 0f : 1f); mDockedStackMinimized = minimized; } else if (mDockedStackMinimized != minimized) { mDockedStackMinimized = minimized; if (mDisplayRotation != mDefaultDisplay.getRotation()) { // Splitscreen to minimize is about to starts after rotating landscape to seascape, // update insets, display info and snap algorithm targets SystemServicesProxy.getInstance(mContext).getStableInsets(mStableInsets); repositionSnapTargetBeforeMinimized(); updateDisplayInfo(); } else { mMinimizedSnapAlgorithm = null; initializeSnapAlgorithm(); } if (mIsInMinimizeInteraction != minimized || mCurrentAnimator != null) { cancelFlingAnimation(); if (minimized) { // Relayout to recalculate the divider shadow when minimizing requestLayout(); mIsInMinimizeInteraction = true; resizeStack(mMinimizedSnapAlgorithm.getMiddleTarget()); } else { resizeStack(mSnapTargetBeforeMinimized); mIsInMinimizeInteraction = false; } } } } public void setMinimizedDockStack(boolean minimized, long animDuration, boolean isHomeStackResizable) { mHomeStackResizable = isHomeStackResizable; updateDockSide(); if (!isHomeStackResizable) { mMinimizedShadow.animate() .alpha(minimized ? 1f : 0f) .setInterpolator(Interpolators.ALPHA_IN) .setDuration(animDuration) .start(); mHandle.animate() .setInterpolator(Interpolators.FAST_OUT_SLOW_IN) .setDuration(animDuration) .alpha(minimized ? 0f : 1f) .start(); if (mDockSide == WindowManager.DOCKED_TOP) { mBackground.setPivotY(0); mBackground.animate() .scaleY(minimized ? MINIMIZE_DOCK_SCALE : 1f); } else if (mDockSide == WindowManager.DOCKED_LEFT || mDockSide == WindowManager.DOCKED_RIGHT) { mBackground.setPivotX(mDockSide == WindowManager.DOCKED_LEFT ? 0 : mBackground.getWidth()); mBackground.animate() .scaleX(minimized ? MINIMIZE_DOCK_SCALE : 1f); } mDockedStackMinimized = minimized; } else if (mDockedStackMinimized != minimized) { mIsInMinimizeInteraction = true; mMinimizedSnapAlgorithm = null; mDockedStackMinimized = minimized; initializeSnapAlgorithm(); stopDragging(minimized ? mSnapTargetBeforeMinimized.position : getCurrentPosition(), minimized ? mMinimizedSnapAlgorithm.getMiddleTarget() : mSnapTargetBeforeMinimized, animDuration, Interpolators.FAST_OUT_SLOW_IN, 0); setAdjustedForIme(false, animDuration); } if (!minimized) { mBackground.animate().withEndAction(mResetBackgroundRunnable); } mBackground.animate() .setInterpolator(Interpolators.FAST_OUT_SLOW_IN) .setDuration(animDuration) .start(); } public void setAdjustedForIme(boolean adjustedForIme) { updateDockSide(); mHandle.setAlpha(adjustedForIme ? 0f : 1f); if (!adjustedForIme) { resetBackground(); } else if (mDockSide == WindowManager.DOCKED_TOP) { mBackground.setPivotY(0); mBackground.setScaleY(ADJUSTED_FOR_IME_SCALE); } mAdjustedForIme = adjustedForIme; } public void setAdjustedForIme(boolean adjustedForIme, long animDuration) { updateDockSide(); mHandle.animate() .setInterpolator(IME_ADJUST_INTERPOLATOR) .setDuration(animDuration) .alpha(adjustedForIme ? 0f : 1f) .start(); if (mDockSide == WindowManager.DOCKED_TOP) { mBackground.setPivotY(0); mBackground.animate() .scaleY(adjustedForIme ? ADJUSTED_FOR_IME_SCALE : 1f); } if (!adjustedForIme) { mBackground.animate().withEndAction(mResetBackgroundRunnable); } mBackground.animate() .setInterpolator(IME_ADJUST_INTERPOLATOR) .setDuration(animDuration) .start(); mAdjustedForIme = adjustedForIme; } private void saveSnapTargetBeforeMinimized(SnapTarget target) { mSnapTargetBeforeMinimized = target; mState.mRatioPositionBeforeMinimized = (float) target.position / (isHorizontalDivision() ? mDisplayHeight : mDisplayWidth); } private void resetBackground() { mBackground.setPivotX(mBackground.getWidth() / 2); mBackground.setPivotY(mBackground.getHeight() / 2); mBackground.setScaleX(1f); mBackground.setScaleY(1f); mMinimizedShadow.setAlpha(0f); } @Override protected void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); updateDisplayInfo(); } public void notifyDockSideChanged(int newDockSide) { int oldDockSide = mDockSide; mDockSide = newDockSide; mMinimizedShadow.setDockSide(mDockSide); requestLayout(); // Update the snap position to the new docked side with correct insets SystemServicesProxy.getInstance(mContext).getStableInsets(mStableInsets); mMinimizedSnapAlgorithm = null; initializeSnapAlgorithm(); if (oldDockSide == DOCKED_LEFT && mDockSide == DOCKED_RIGHT || oldDockSide == DOCKED_RIGHT && mDockSide == DOCKED_LEFT) { repositionSnapTargetBeforeMinimized(); } // Landscape to seascape rotation requires minimized to resize docked app correctly if (mHomeStackResizable && mDockedStackMinimized) { resizeStack(mMinimizedSnapAlgorithm.getMiddleTarget()); } } private void repositionSnapTargetBeforeMinimized() { int position = (int) (mState.mRatioPositionBeforeMinimized * (isHorizontalDivision() ? mDisplayHeight : mDisplayWidth)); mSnapAlgorithm = null; initializeSnapAlgorithm(); // Set the snap target before minimized but do not save until divider is attached and not // minimized because it does not know its minimized state yet. mSnapTargetBeforeMinimized = mSnapAlgorithm.calculateNonDismissingSnapTarget(position); } private void updateDisplayInfo() { mDisplayRotation = mDefaultDisplay.getRotation(); final DisplayInfo info = new DisplayInfo(); mDefaultDisplay.getDisplayInfo(info); mDisplayWidth = info.logicalWidth; mDisplayHeight = info.logicalHeight; mSnapAlgorithm = null; mMinimizedSnapAlgorithm = null; initializeSnapAlgorithm(); } private int calculatePosition(int touchX, int touchY) { return isHorizontalDivision() ? calculateYPosition(touchY) : calculateXPosition(touchX); } public boolean isHorizontalDivision() { return getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT; } private int calculateXPosition(int touchX) { return mStartPosition + touchX - mStartX; } private int calculateYPosition(int touchY) { return mStartPosition + touchY - mStartY; } private void alignTopLeft(Rect containingRect, Rect rect) { int width = rect.width(); int height = rect.height(); rect.set(containingRect.left, containingRect.top, containingRect.left + width, containingRect.top + height); } private void alignBottomRight(Rect containingRect, Rect rect) { int width = rect.width(); int height = rect.height(); rect.set(containingRect.right - width, containingRect.bottom - height, containingRect.right, containingRect.bottom); } public void calculateBoundsForPosition(int position, int dockSide, Rect outRect) { DockedDividerUtils.calculateBoundsForPosition(position, dockSide, outRect, mDisplayWidth, mDisplayHeight, mDividerSize); } public void resizeStackDelayed(int position, int taskPosition, SnapTarget taskSnapTarget) { Message message = mHandler.obtainMessage(MSG_RESIZE_STACK, position, taskPosition, taskSnapTarget); message.setAsynchronous(true); mSfChoreographer.scheduleAtSfVsync(mHandler, message); } private void resizeStack(SnapTarget taskSnapTarget) { resizeStack(taskSnapTarget.position, taskSnapTarget.position, taskSnapTarget); } public void resizeStack(int position, int taskPosition, SnapTarget taskSnapTarget) { if (mRemoved) { // This divider view has been removed so shouldn't have any additional influence. return; } calculateBoundsForPosition(position, mDockSide, mDockedRect); if (mDockedRect.equals(mLastResizeRect) && !mEntranceAnimationRunning) { return; } // Make sure shadows are updated if (mBackground.getZ() > 0f) { mBackground.invalidate(); } mLastResizeRect.set(mDockedRect); if (mHomeStackResizable && mIsInMinimizeInteraction) { calculateBoundsForPosition(mSnapTargetBeforeMinimized.position, mDockSide, mDockedTaskRect); calculateBoundsForPosition(mSnapTargetBeforeMinimized.position, DockedDividerUtils.invertDockSide(mDockSide), mOtherTaskRect); // Move a right-docked-app to line up with the divider while dragging it if (mDockSide == DOCKED_RIGHT) { mDockedTaskRect.offset(Math.max(position, mStableInsets.left - mDividerSize) - mDockedTaskRect.left + mDividerSize, 0); } mWindowManagerProxy.resizeDockedStack(mDockedRect, mDockedTaskRect, mDockedTaskRect, mOtherTaskRect, null); return; } if (mEntranceAnimationRunning && taskPosition != TASK_POSITION_SAME) { calculateBoundsForPosition(taskPosition, mDockSide, mDockedTaskRect); // Move a docked app if from the right in position with the divider up to insets if (mDockSide == DOCKED_RIGHT) { mDockedTaskRect.offset(Math.max(position, mStableInsets.left - mDividerSize) - mDockedTaskRect.left + mDividerSize, 0); } calculateBoundsForPosition(taskPosition, DockedDividerUtils.invertDockSide(mDockSide), mOtherTaskRect); mWindowManagerProxy.resizeDockedStack(mDockedRect, mDockedTaskRect, null, mOtherTaskRect, null); } else if (mExitAnimationRunning && taskPosition != TASK_POSITION_SAME) { calculateBoundsForPosition(taskPosition, mDockSide, mDockedTaskRect); mDockedInsetRect.set(mDockedTaskRect); calculateBoundsForPosition(mExitStartPosition, DockedDividerUtils.invertDockSide(mDockSide), mOtherTaskRect); mOtherInsetRect.set(mOtherTaskRect); applyExitAnimationParallax(mOtherTaskRect, position); // Move a right-docked-app to line up with the divider while dragging it if (mDockSide == DOCKED_RIGHT) { mDockedTaskRect.offset(position - mStableInsets.left + mDividerSize, 0); } mWindowManagerProxy.resizeDockedStack(mDockedRect, mDockedTaskRect, mDockedInsetRect, mOtherTaskRect, mOtherInsetRect); } else if (taskPosition != TASK_POSITION_SAME) { calculateBoundsForPosition(position, DockedDividerUtils.invertDockSide(mDockSide), mOtherRect); int dockSideInverted = DockedDividerUtils.invertDockSide(mDockSide); int taskPositionDocked = restrictDismissingTaskPosition(taskPosition, mDockSide, taskSnapTarget); int taskPositionOther = restrictDismissingTaskPosition(taskPosition, dockSideInverted, taskSnapTarget); calculateBoundsForPosition(taskPositionDocked, mDockSide, mDockedTaskRect); calculateBoundsForPosition(taskPositionOther, dockSideInverted, mOtherTaskRect); mTmpRect.set(0, 0, mDisplayWidth, mDisplayHeight); alignTopLeft(mDockedRect, mDockedTaskRect); alignTopLeft(mOtherRect, mOtherTaskRect); mDockedInsetRect.set(mDockedTaskRect); mOtherInsetRect.set(mOtherTaskRect); if (dockSideTopLeft(mDockSide)) { alignTopLeft(mTmpRect, mDockedInsetRect); alignBottomRight(mTmpRect, mOtherInsetRect); } else { alignBottomRight(mTmpRect, mDockedInsetRect); alignTopLeft(mTmpRect, mOtherInsetRect); } applyDismissingParallax(mDockedTaskRect, mDockSide, taskSnapTarget, position, taskPositionDocked); applyDismissingParallax(mOtherTaskRect, dockSideInverted, taskSnapTarget, position, taskPositionOther); mWindowManagerProxy.resizeDockedStack(mDockedRect, mDockedTaskRect, mDockedInsetRect, mOtherTaskRect, mOtherInsetRect); } else { mWindowManagerProxy.resizeDockedStack(mDockedRect, null, null, null, null); } SnapTarget closestDismissTarget = getSnapAlgorithm().getClosestDismissTarget(position); float dimFraction = getDimFraction(position, closestDismissTarget); mWindowManagerProxy.setResizeDimLayer(dimFraction != 0f, getWindowingModeForDismissTarget(closestDismissTarget), dimFraction); } private void applyExitAnimationParallax(Rect taskRect, int position) { if (mDockSide == WindowManager.DOCKED_TOP) { taskRect.offset(0, (int) ((position - mExitStartPosition) * 0.25f)); } else if (mDockSide == WindowManager.DOCKED_LEFT) { taskRect.offset((int) ((position - mExitStartPosition) * 0.25f), 0); } else if (mDockSide == WindowManager.DOCKED_RIGHT) { taskRect.offset((int) ((mExitStartPosition - position) * 0.25f), 0); } } private float getDimFraction(int position, SnapTarget dismissTarget) { if (mEntranceAnimationRunning) { return 0f; } float fraction = getSnapAlgorithm().calculateDismissingFraction(position); fraction = Math.max(0, Math.min(fraction, 1f)); fraction = DIM_INTERPOLATOR.getInterpolation(fraction); if (hasInsetsAtDismissTarget(dismissTarget)) { // Less darkening with system insets. fraction *= 0.8f; } return fraction; } /** * @return true if and only if there are system insets at the location of the dismiss target */ private boolean hasInsetsAtDismissTarget(SnapTarget dismissTarget) { if (isHorizontalDivision()) { if (dismissTarget == getSnapAlgorithm().getDismissStartTarget()) { return mStableInsets.top != 0; } else { return mStableInsets.bottom != 0; } } else { if (dismissTarget == getSnapAlgorithm().getDismissStartTarget()) { return mStableInsets.left != 0; } else { return mStableInsets.right != 0; } } } /** * When the snap target is dismissing one side, make sure that the dismissing side doesn't get * 0 size. */ private int restrictDismissingTaskPosition(int taskPosition, int dockSide, SnapTarget snapTarget) { if (snapTarget.flag == SnapTarget.FLAG_DISMISS_START && dockSideTopLeft(dockSide)) { return Math.max(mSnapAlgorithm.getFirstSplitTarget().position, mStartPosition); } else if (snapTarget.flag == SnapTarget.FLAG_DISMISS_END && dockSideBottomRight(dockSide)) { return Math.min(mSnapAlgorithm.getLastSplitTarget().position, mStartPosition); } else { return taskPosition; } } /** * Applies a parallax to the task when dismissing. */ private void applyDismissingParallax(Rect taskRect, int dockSide, SnapTarget snapTarget, int position, int taskPosition) { float fraction = Math.min(1, Math.max(0, mSnapAlgorithm.calculateDismissingFraction(position))); SnapTarget dismissTarget = null; SnapTarget splitTarget = null; int start = 0; if (position <= mSnapAlgorithm.getLastSplitTarget().position && dockSideTopLeft(dockSide)) { dismissTarget = mSnapAlgorithm.getDismissStartTarget(); splitTarget = mSnapAlgorithm.getFirstSplitTarget(); start = taskPosition; } else if (position >= mSnapAlgorithm.getLastSplitTarget().position && dockSideBottomRight(dockSide)) { dismissTarget = mSnapAlgorithm.getDismissEndTarget(); splitTarget = mSnapAlgorithm.getLastSplitTarget(); start = splitTarget.position; } if (dismissTarget != null && fraction > 0f && isDismissing(splitTarget, position, dockSide)) { fraction = calculateParallaxDismissingFraction(fraction, dockSide); int offsetPosition = (int) (start + fraction * (dismissTarget.position - splitTarget.position)); int width = taskRect.width(); int height = taskRect.height(); switch (dockSide) { case WindowManager.DOCKED_LEFT: taskRect.left = offsetPosition - width; taskRect.right = offsetPosition; break; case WindowManager.DOCKED_RIGHT: taskRect.left = offsetPosition + mDividerSize; taskRect.right = offsetPosition + width + mDividerSize; break; case WindowManager.DOCKED_TOP: taskRect.top = offsetPosition - height; taskRect.bottom = offsetPosition; break; case WindowManager.DOCKED_BOTTOM: taskRect.top = offsetPosition + mDividerSize; taskRect.bottom = offsetPosition + height + mDividerSize; break; } } } /** * @return for a specified {@code fraction}, this returns an adjusted value that simulates a * slowing down parallax effect */ private static float calculateParallaxDismissingFraction(float fraction, int dockSide) { float result = SLOWDOWN_INTERPOLATOR.getInterpolation(fraction) / 3.5f; // Less parallax at the top, just because. if (dockSide == WindowManager.DOCKED_TOP) { result /= 2f; } return result; } private static boolean isDismissing(SnapTarget snapTarget, int position, int dockSide) { if (dockSide == WindowManager.DOCKED_TOP || dockSide == WindowManager.DOCKED_LEFT) { return position < snapTarget.position; } else { return position > snapTarget.position; } } private int getWindowingModeForDismissTarget(SnapTarget dismissTarget) { if ((dismissTarget.flag == SnapTarget.FLAG_DISMISS_START && dockSideTopLeft(mDockSide)) || (dismissTarget.flag == SnapTarget.FLAG_DISMISS_END && dockSideBottomRight(mDockSide))) { return WINDOWING_MODE_SPLIT_SCREEN_PRIMARY; } else { return WINDOWING_MODE_SPLIT_SCREEN_SECONDARY; } } /** * @return true if and only if {@code dockSide} is top or left */ private static boolean dockSideTopLeft(int dockSide) { return dockSide == WindowManager.DOCKED_TOP || dockSide == WindowManager.DOCKED_LEFT; } /** * @return true if and only if {@code dockSide} is bottom or right */ private static boolean dockSideBottomRight(int dockSide) { return dockSide == WindowManager.DOCKED_BOTTOM || dockSide == WindowManager.DOCKED_RIGHT; } @Override public void onComputeInternalInsets(InternalInsetsInfo inoutInfo) { inoutInfo.setTouchableInsets(InternalInsetsInfo.TOUCHABLE_INSETS_REGION); inoutInfo.touchableRegion.set(mHandle.getLeft(), mHandle.getTop(), mHandle.getRight(), mHandle.getBottom()); inoutInfo.touchableRegion.op(mBackground.getLeft(), mBackground.getTop(), mBackground.getRight(), mBackground.getBottom(), Op.UNION); } /** * Checks whether recents will grow when invoked. This happens in multi-window when recents is * very small. When invoking recents, we shrink the docked stack so recents has more space. * * @return the position of the divider when recents grows, or * {@link #INVALID_RECENTS_GROW_TARGET} if recents won't grow */ public int growsRecents() { boolean result = mGrowRecents && mDockSide == WindowManager.DOCKED_TOP && getCurrentPosition() == getSnapAlgorithm().getLastSplitTarget().position; if (result) { return getSnapAlgorithm().getMiddleTarget().position; } else { return INVALID_RECENTS_GROW_TARGET; } } public final void onBusEvent(RecentsActivityStartingEvent recentsActivityStartingEvent) { if (mGrowRecents && mDockSide == WindowManager.DOCKED_TOP && getSnapAlgorithm().getMiddleTarget() != getSnapAlgorithm().getLastSplitTarget() && getCurrentPosition() == getSnapAlgorithm().getLastSplitTarget().position) { mState.growAfterRecentsDrawn = true; startDragging(false /* animate */, false /* touching */); } } public final void onBusEvent(DockedFirstAnimationFrameEvent event) { saveSnapTargetBeforeMinimized(mSnapAlgorithm.getMiddleTarget()); } public final void onBusEvent(DockedTopTaskEvent event) { if (event.dragMode == NavigationBarGestureHelper.DRAG_MODE_NONE) { mState.growAfterRecentsDrawn = false; mState.animateAfterRecentsDrawn = true; startDragging(false /* animate */, false /* touching */); } updateDockSide(); mEntranceAnimationRunning = true; resizeStack(calculatePositionForInsetBounds(), mSnapAlgorithm.getMiddleTarget().position, mSnapAlgorithm.getMiddleTarget()); } public void onRecentsDrawn() { updateDockSide(); final int position = calculatePositionForInsetBounds(); if (mState.animateAfterRecentsDrawn) { mState.animateAfterRecentsDrawn = false; mHandler.post(() -> { // Delay switching resizing mode because this might cause jank in recents animation // that's longer than this animation. stopDragging(position, getSnapAlgorithm().getMiddleTarget(), mLongPressEntraceAnimDuration, Interpolators.FAST_OUT_SLOW_IN, 200 /* endDelay */); }); } if (mState.growAfterRecentsDrawn) { mState.growAfterRecentsDrawn = false; updateDockSide(); EventBus.getDefault().send(new RecentsGrowingEvent()); stopDragging(position, getSnapAlgorithm().getMiddleTarget(), 336, Interpolators.FAST_OUT_SLOW_IN); } } public final void onBusEvent(UndockingTaskEvent undockingTaskEvent) { int dockSide = mWindowManagerProxy.getDockSide(); if (dockSide != WindowManager.DOCKED_INVALID && (mHomeStackResizable || !mDockedStackMinimized)) { startDragging(false /* animate */, false /* touching */); SnapTarget target = dockSideTopLeft(dockSide) ? mSnapAlgorithm.getDismissEndTarget() : mSnapAlgorithm.getDismissStartTarget(); // Don't start immediately - give a little bit time to settle the drag resize change. mExitAnimationRunning = true; mExitStartPosition = getCurrentPosition(); stopDragging(mExitStartPosition, target, 336 /* duration */, 100 /* startDelay */, 0 /* endDelay */, Interpolators.FAST_OUT_SLOW_IN); } } private int calculatePositionForInsetBounds() { mTmpRect.set(0, 0, mDisplayWidth, mDisplayHeight); mTmpRect.inset(mStableInsets); return DockedDividerUtils.calculatePositionForBounds(mTmpRect, mDockSide, mDividerSize); } }