| /* |
| * Copyright (C) 2012 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.server.wm; |
| |
| import static android.app.ActivityManager.StackId.DOCKED_STACK_ID; |
| import static android.app.ActivityManager.StackId.INVALID_STACK_ID; |
| import static android.view.WindowManager.DOCKED_BOTTOM; |
| import static android.view.WindowManager.DOCKED_LEFT; |
| import static android.view.WindowManager.DOCKED_RIGHT; |
| import static android.view.WindowManager.DOCKED_TOP; |
| import static com.android.server.wm.AppTransition.DEFAULT_APP_TRANSITION_DURATION; |
| import static com.android.server.wm.AppTransition.TOUCH_RESPONSE_INTERPOLATOR; |
| import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME; |
| import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM; |
| |
| import android.content.Context; |
| import android.graphics.Rect; |
| import android.os.RemoteCallbackList; |
| import android.os.RemoteException; |
| import android.util.ArraySet; |
| import android.util.Slog; |
| import android.view.DisplayInfo; |
| import android.view.IDockedStackListener; |
| import android.view.SurfaceControl; |
| import android.view.animation.AnimationUtils; |
| import android.view.animation.Interpolator; |
| |
| import com.android.server.wm.DimLayer.DimLayerUser; |
| |
| /** |
| * Keeps information about the docked stack divider. |
| */ |
| public class DockedStackDividerController implements DimLayerUser { |
| |
| private static final String TAG = TAG_WITH_CLASS_NAME ? "DockedStackDividerController" : TAG_WM; |
| |
| /** |
| * The fraction during the maximize/clip reveal animation the divider meets the edge of the clip |
| * revealing surface at the earliest. |
| */ |
| private static final float CLIP_REVEAL_MEET_EARLIEST = 0.6f; |
| |
| /** |
| * The fraction during the maximize/clip reveal animation the divider meets the edge of the clip |
| * revealing surface at the latest. |
| */ |
| private static final float CLIP_REVEAL_MEET_LAST = 1f; |
| |
| /** |
| * If the app translates at least CLIP_REVEAL_MEET_FRACTION_MIN * minimize distance, we start |
| * meet somewhere between {@link #CLIP_REVEAL_MEET_LAST} and {@link #CLIP_REVEAL_MEET_EARLIEST}. |
| */ |
| private static final float CLIP_REVEAL_MEET_FRACTION_MIN = 0.4f; |
| |
| /** |
| * If the app translates equals or more than CLIP_REVEAL_MEET_FRACTION_MIN * minimize distance, |
| * we meet at {@link #CLIP_REVEAL_MEET_EARLIEST}. |
| */ |
| private static final float CLIP_REVEAL_MEET_FRACTION_MAX = 0.8f; |
| |
| private final WindowManagerService mService; |
| private final DisplayContent mDisplayContent; |
| private final int mDividerWindowWidth; |
| private final int mDividerInsets; |
| private boolean mResizing; |
| private WindowState mWindow; |
| private final Rect mTmpRect = new Rect(); |
| private final Rect mTmpRect2 = new Rect(); |
| private final Rect mLastRect = new Rect(); |
| private boolean mLastVisibility = false; |
| private final RemoteCallbackList<IDockedStackListener> mDockedStackListeners |
| = new RemoteCallbackList<>(); |
| private final DimLayer mDimLayer; |
| |
| private boolean mMinimizedDock; |
| private boolean mAnimating; |
| private boolean mAnimationStarted; |
| private long mAnimationStartTime; |
| private float mAnimationStart; |
| private float mAnimationTarget; |
| private long mAnimationDuration; |
| private final Interpolator mMinimizedDockInterpolator; |
| private float mMaximizeMeetFraction; |
| private final Rect mTouchRegion = new Rect(); |
| |
| DockedStackDividerController(WindowManagerService service, DisplayContent displayContent) { |
| mService = service; |
| mDisplayContent = displayContent; |
| final Context context = service.mContext; |
| mDividerWindowWidth = context.getResources().getDimensionPixelSize( |
| com.android.internal.R.dimen.docked_stack_divider_thickness); |
| mDividerInsets = context.getResources().getDimensionPixelSize( |
| com.android.internal.R.dimen.docked_stack_divider_insets); |
| mDimLayer = new DimLayer(displayContent.mService, this, displayContent.getDisplayId(), |
| "DockedStackDim"); |
| mMinimizedDockInterpolator = AnimationUtils.loadInterpolator( |
| context, android.R.interpolator.fast_out_slow_in); |
| } |
| |
| boolean isResizing() { |
| return mResizing; |
| } |
| |
| int getContentWidth() { |
| return mDividerWindowWidth - 2 * mDividerInsets; |
| } |
| |
| int getContentInsets() { |
| return mDividerInsets; |
| } |
| |
| void setResizing(boolean resizing) { |
| if (mResizing != resizing) { |
| mResizing = resizing; |
| resetDragResizingChangeReported(); |
| } |
| } |
| |
| void setTouchRegion(Rect touchRegion) { |
| mTouchRegion.set(touchRegion); |
| } |
| |
| void getTouchRegion(Rect outRegion) { |
| outRegion.set(mTouchRegion); |
| outRegion.offset(mWindow.getFrameLw().left, mWindow.getFrameLw().top); |
| } |
| |
| private void resetDragResizingChangeReported() { |
| final WindowList windowList = mDisplayContent.getWindowList(); |
| for (int i = windowList.size() - 1; i >= 0; i--) { |
| windowList.get(i).resetDragResizingChangeReported(); |
| } |
| } |
| |
| void setWindow(WindowState window) { |
| mWindow = window; |
| reevaluateVisibility(false); |
| } |
| |
| void reevaluateVisibility(boolean force) { |
| if (mWindow == null) { |
| return; |
| } |
| TaskStack stack = mDisplayContent.mService.mStackIdToStack.get(DOCKED_STACK_ID); |
| |
| // If the stack is invisible, we policy force hide it in WindowAnimator.shouldForceHide |
| final boolean visible = stack != null; |
| if (mLastVisibility == visible && !force) { |
| return; |
| } |
| mLastVisibility = visible; |
| notifyDockedDividerVisibilityChanged(visible); |
| if (!visible) { |
| setResizeDimLayer(false, INVALID_STACK_ID, 0f); |
| } |
| } |
| |
| boolean wasVisible() { |
| return mLastVisibility; |
| } |
| |
| void positionDockedStackedDivider(Rect frame) { |
| TaskStack stack = mDisplayContent.getDockedStackLocked(); |
| if (stack == null) { |
| // Unfortunately we might end up with still having a divider, even though the underlying |
| // stack was already removed. This is because we are on AM thread and the removal of the |
| // divider was deferred to WM thread and hasn't happened yet. In that case let's just |
| // keep putting it in the same place it was before the stack was removed to have |
| // continuity and prevent it from jumping to the center. It will get hidden soon. |
| frame.set(mLastRect); |
| return; |
| } else { |
| stack.getDimBounds(mTmpRect); |
| } |
| int side = stack.getDockSide(); |
| switch (side) { |
| case DOCKED_LEFT: |
| frame.set(mTmpRect.right - mDividerInsets, frame.top, |
| mTmpRect.right + frame.width() - mDividerInsets, frame.bottom); |
| break; |
| case DOCKED_TOP: |
| frame.set(frame.left, mTmpRect.bottom - mDividerInsets, |
| mTmpRect.right, mTmpRect.bottom + frame.height() - mDividerInsets); |
| break; |
| case DOCKED_RIGHT: |
| frame.set(mTmpRect.left - frame.width() + mDividerInsets, frame.top, |
| mTmpRect.left + mDividerInsets, frame.bottom); |
| break; |
| case DOCKED_BOTTOM: |
| frame.set(frame.left, mTmpRect.top - frame.height() + mDividerInsets, |
| frame.right, mTmpRect.top + mDividerInsets); |
| break; |
| } |
| mLastRect.set(frame); |
| } |
| |
| void notifyDockedDividerVisibilityChanged(boolean visible) { |
| final int size = mDockedStackListeners.beginBroadcast(); |
| for (int i = 0; i < size; ++i) { |
| final IDockedStackListener listener = mDockedStackListeners.getBroadcastItem(i); |
| try { |
| listener.onDividerVisibilityChanged(visible); |
| } catch (RemoteException e) { |
| Slog.e(TAG_WM, "Error delivering divider visibility changed event.", e); |
| } |
| } |
| mDockedStackListeners.finishBroadcast(); |
| } |
| |
| void notifyDockedStackExistsChanged(boolean exists) { |
| final int size = mDockedStackListeners.beginBroadcast(); |
| for (int i = 0; i < size; ++i) { |
| final IDockedStackListener listener = mDockedStackListeners.getBroadcastItem(i); |
| try { |
| listener.onDockedStackExistsChanged(exists); |
| } catch (RemoteException e) { |
| Slog.e(TAG_WM, "Error delivering docked stack exists changed event.", e); |
| } |
| } |
| mDockedStackListeners.finishBroadcast(); |
| } |
| |
| void notifyDockedStackMinimizedChanged(boolean minimizedDock, long animDuration) { |
| final int size = mDockedStackListeners.beginBroadcast(); |
| for (int i = 0; i < size; ++i) { |
| final IDockedStackListener listener = mDockedStackListeners.getBroadcastItem(i); |
| try { |
| listener.onDockedStackMinimizedChanged(minimizedDock, animDuration); |
| } catch (RemoteException e) { |
| Slog.e(TAG_WM, "Error delivering minimized dock changed event.", e); |
| } |
| } |
| mDockedStackListeners.finishBroadcast(); |
| } |
| |
| void registerDockedStackListener(IDockedStackListener listener) { |
| mDockedStackListeners.register(listener); |
| notifyDockedDividerVisibilityChanged(wasVisible()); |
| notifyDockedStackExistsChanged( |
| mDisplayContent.mService.mStackIdToStack.get(DOCKED_STACK_ID) != null); |
| } |
| |
| void setResizeDimLayer(boolean visible, int targetStackId, float alpha) { |
| SurfaceControl.openTransaction(); |
| final TaskStack stack = mDisplayContent.mService.mStackIdToStack.get(targetStackId); |
| final TaskStack dockedStack = mDisplayContent.getDockedStackLocked(); |
| boolean visibleAndValid = visible && stack != null && dockedStack != null; |
| if (visibleAndValid) { |
| stack.getDimBounds(mTmpRect); |
| if (mTmpRect.height() > 0 && mTmpRect.width() > 0) { |
| mDimLayer.setBounds(mTmpRect); |
| mDimLayer.show(mDisplayContent.mService.mLayersController.getResizeDimLayer(), |
| alpha, 0 /* duration */); |
| } else { |
| visibleAndValid = false; |
| } |
| } |
| if (!visibleAndValid) { |
| mDimLayer.hide(); |
| } |
| SurfaceControl.closeTransaction(); |
| } |
| |
| /** |
| * Notifies the docked stack divider controller of a visibility change that happens without |
| * an animation. |
| */ |
| void notifyAppVisibilityChanged(AppWindowToken wtoken, boolean visible) { |
| final Task task = wtoken.mTask; |
| if (!task.isHomeTask() || !task.isVisibleForUser()) { |
| return; |
| } |
| |
| // If the stack is completely offscreen, this might just be an intermediate state when |
| // docking a task/launching recents at the same time, but home doesn't actually get |
| // visible after the state settles in. |
| if (isWithinDisplay(task) |
| && mDisplayContent.getDockedStackVisibleForUserLocked() != null) { |
| setMinimizedDockedStack(visible, false /* animate */); |
| } |
| } |
| |
| void notifyAppTransitionStarting(ArraySet<AppWindowToken> openingApps, |
| ArraySet<AppWindowToken> closingApps) { |
| if (containsHomeTaskWithinDisplay(openingApps)) { |
| setMinimizedDockedStack(true /* minimized */, true /* animate */); |
| } else if (containsHomeTaskWithinDisplay(closingApps)) { |
| setMinimizedDockedStack(false /* minimized */, true /* animate */); |
| } |
| } |
| |
| private boolean containsHomeTaskWithinDisplay(ArraySet<AppWindowToken> apps) { |
| for (int i = apps.size() - 1; i >= 0; i--) { |
| final Task task = apps.valueAt(i).mTask; |
| if (task != null && task.isHomeTask()) { |
| return isWithinDisplay(task); |
| } |
| } |
| return false; |
| } |
| |
| private boolean isWithinDisplay(Task task) { |
| task.mStack.getBounds(mTmpRect); |
| mDisplayContent.getLogicalDisplayRect(mTmpRect2); |
| return mTmpRect.intersect(mTmpRect2); |
| } |
| |
| /** |
| * Sets whether the docked stack is currently in a minimized state, i.e. all the tasks in the |
| * docked stack are heavily clipped so you can only see a minimal peek state. |
| * |
| * @param minimizedDock Whether the docked stack is currently minimized. |
| * @param animate Whether to animate the change. |
| */ |
| private void setMinimizedDockedStack(boolean minimizedDock, boolean animate) { |
| if (minimizedDock == mMinimizedDock |
| || mDisplayContent.getDockedStackVisibleForUserLocked() == null) { |
| return; |
| } |
| |
| mMinimizedDock = minimizedDock; |
| if (minimizedDock) { |
| if (animate) { |
| startAdjustAnimation(0f, 1f); |
| } else { |
| setMinimizedDockedStack(true); |
| } |
| } else { |
| if (animate) { |
| startAdjustAnimation(1f, 0f); |
| } else { |
| setMinimizedDockedStack(false); |
| } |
| } |
| } |
| |
| private void startAdjustAnimation(float from, float to) { |
| mAnimating = true; |
| mAnimationStarted = false; |
| mAnimationStart = from; |
| mAnimationTarget = to; |
| } |
| |
| private void setMinimizedDockedStack(boolean minimized) { |
| final TaskStack stack = mDisplayContent.getDockedStackVisibleForUserLocked(); |
| if (stack == null) { |
| return; |
| } |
| if (stack.setAdjustedForMinimizedDock(minimized ? 1f : 0f)) { |
| mService.mWindowPlacerLocked.performSurfacePlacement(); |
| } |
| notifyDockedStackMinimizedChanged(minimized, 0); |
| } |
| |
| private boolean isAnimationMaximizing() { |
| return mAnimationTarget == 0f; |
| } |
| |
| public boolean animate(long now) { |
| if (!mAnimating) { |
| return false; |
| } |
| |
| final TaskStack stack = mDisplayContent.getDockedStackVisibleForUserLocked(); |
| if (!mAnimationStarted) { |
| mAnimationStarted = true; |
| mAnimationStartTime = now; |
| final long transitionDuration = isAnimationMaximizing() |
| ? mService.mAppTransition.getLastClipRevealTransitionDuration() |
| : DEFAULT_APP_TRANSITION_DURATION; |
| mAnimationDuration = (long) |
| (transitionDuration * mService.getTransitionAnimationScaleLocked()); |
| mMaximizeMeetFraction = getClipRevealMeetFraction(stack); |
| notifyDockedStackMinimizedChanged(mMinimizedDock, |
| (long) (mAnimationDuration * mMaximizeMeetFraction)); |
| } |
| float t = Math.min(1f, (float) (now - mAnimationStartTime) / mAnimationDuration); |
| t = (isAnimationMaximizing() ? TOUCH_RESPONSE_INTERPOLATOR : mMinimizedDockInterpolator) |
| .getInterpolation(t); |
| if (stack != null) { |
| if (stack.setAdjustedForMinimizedDock(getMinimizeAmount(stack, t))) { |
| mService.mWindowPlacerLocked.performSurfacePlacement(); |
| } |
| } |
| if (t >= 1.0f) { |
| mAnimating = false; |
| return false; |
| } else { |
| return true; |
| } |
| } |
| |
| /** |
| * Gets the amount how much to minimize a stack depending on the interpolated fraction t. |
| */ |
| private float getMinimizeAmount(TaskStack stack, float t) { |
| final float naturalAmount = t * mAnimationTarget + (1 - t) * mAnimationStart; |
| if (isAnimationMaximizing()) { |
| return adjustMaximizeAmount(stack, t, naturalAmount); |
| } else { |
| return naturalAmount; |
| } |
| } |
| |
| /** |
| * When maximizing the stack during a clip reveal transition, this adjusts the minimize amount |
| * during the transition such that the edge of the clip reveal rect is met earlier in the |
| * transition so we don't create a visible "hole", but only if both the clip reveal and the |
| * docked stack divider start from about the same portion on the screen. |
| */ |
| private float adjustMaximizeAmount(TaskStack stack, float t, float naturalAmount) { |
| if (mMaximizeMeetFraction == 1f) { |
| return naturalAmount; |
| } |
| final int minimizeDistance = stack.getMinimizeDistance(); |
| float startPrime = mService.mAppTransition.getLastClipRevealMaxTranslation() |
| / (float) minimizeDistance; |
| final float amountPrime = t * mAnimationTarget + (1 - t) * startPrime; |
| final float t2 = Math.min(t / mMaximizeMeetFraction, 1); |
| return amountPrime * t2 + naturalAmount * (1 - t2); |
| } |
| |
| /** |
| * Retrieves the animation fraction at which the docked stack has to meet the clip reveal |
| * edge. See {@link #adjustMaximizeAmount}. |
| */ |
| private float getClipRevealMeetFraction(TaskStack stack) { |
| if (!isAnimationMaximizing() || stack == null || |
| !mService.mAppTransition.hadClipRevealAnimation()) { |
| return 1f; |
| } |
| final int minimizeDistance = stack.getMinimizeDistance(); |
| final float fraction = Math.abs(mService.mAppTransition.getLastClipRevealMaxTranslation()) |
| / (float) minimizeDistance; |
| final float t = Math.max(0, Math.min(1, (fraction - CLIP_REVEAL_MEET_FRACTION_MIN) |
| / (CLIP_REVEAL_MEET_FRACTION_MAX - CLIP_REVEAL_MEET_FRACTION_MIN))); |
| return CLIP_REVEAL_MEET_EARLIEST |
| + (1 - t) * (CLIP_REVEAL_MEET_LAST - CLIP_REVEAL_MEET_EARLIEST); |
| } |
| |
| @Override |
| public boolean isFullscreen() { |
| return false; |
| } |
| |
| @Override |
| public DisplayInfo getDisplayInfo() { |
| return mDisplayContent.getDisplayInfo(); |
| } |
| |
| @Override |
| public void getDimBounds(Rect outBounds) { |
| // This dim layer user doesn't need this. |
| } |
| |
| @Override |
| public String toShortString() { |
| return TAG; |
| } |
| } |