| /* |
| * Copyright (C) 2021 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.wm.shell.fullscreen; |
| |
| import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED; |
| import static android.util.MathUtils.lerp; |
| import static android.view.Display.DEFAULT_DISPLAY; |
| |
| import android.animation.RectEvaluator; |
| import android.animation.TypeEvaluator; |
| import android.annotation.NonNull; |
| import android.app.ActivityManager; |
| import android.app.TaskInfo; |
| import android.content.Context; |
| import android.graphics.Matrix; |
| import android.graphics.Rect; |
| import android.util.SparseArray; |
| import android.view.InsetsSource; |
| import android.view.InsetsState; |
| import android.view.SurfaceControl; |
| |
| import com.android.internal.policy.ScreenDecorationsUtils; |
| import com.android.wm.shell.common.DisplayInsetsController; |
| import com.android.wm.shell.common.DisplayInsetsController.OnInsetsChangedListener; |
| import com.android.wm.shell.unfold.ShellUnfoldProgressProvider; |
| import com.android.wm.shell.unfold.ShellUnfoldProgressProvider.UnfoldListener; |
| import com.android.wm.shell.unfold.UnfoldBackgroundController; |
| |
| import java.util.concurrent.Executor; |
| |
| /** |
| * Controls full screen app unfold transition: animating cropping window and scaling when |
| * folding or unfolding a foldable device. |
| */ |
| public final class FullscreenUnfoldController implements UnfoldListener, |
| OnInsetsChangedListener { |
| |
| private static final float[] FLOAT_9 = new float[9]; |
| private static final TypeEvaluator<Rect> RECT_EVALUATOR = new RectEvaluator(new Rect()); |
| |
| private static final float HORIZONTAL_START_MARGIN = 0.08f; |
| private static final float VERTICAL_START_MARGIN = 0.03f; |
| private static final float END_SCALE = 1f; |
| private static final float START_SCALE = END_SCALE - VERTICAL_START_MARGIN * 2; |
| |
| private final Executor mExecutor; |
| private final ShellUnfoldProgressProvider mProgressProvider; |
| private final DisplayInsetsController mDisplayInsetsController; |
| |
| private final SparseArray<AnimationContext> mAnimationContextByTaskId = new SparseArray<>(); |
| private final UnfoldBackgroundController mBackgroundController; |
| |
| private InsetsSource mTaskbarInsetsSource; |
| |
| private final float mWindowCornerRadiusPx; |
| private final float mExpandedTaskBarHeight; |
| |
| private final SurfaceControl.Transaction mTransaction = new SurfaceControl.Transaction(); |
| |
| public FullscreenUnfoldController( |
| @NonNull Context context, |
| @NonNull Executor executor, |
| @NonNull UnfoldBackgroundController backgroundController, |
| @NonNull ShellUnfoldProgressProvider progressProvider, |
| @NonNull DisplayInsetsController displayInsetsController |
| ) { |
| mExecutor = executor; |
| mProgressProvider = progressProvider; |
| mDisplayInsetsController = displayInsetsController; |
| mWindowCornerRadiusPx = ScreenDecorationsUtils.getWindowCornerRadius(context); |
| mExpandedTaskBarHeight = context.getResources().getDimensionPixelSize( |
| com.android.internal.R.dimen.taskbar_frame_height); |
| mBackgroundController = backgroundController; |
| } |
| |
| /** |
| * Initializes the controller |
| */ |
| public void init() { |
| mProgressProvider.addListener(mExecutor, this); |
| mDisplayInsetsController.addInsetsChangedListener(DEFAULT_DISPLAY, this); |
| } |
| |
| @Override |
| public void onStateChangeProgress(float progress) { |
| if (mAnimationContextByTaskId.size() == 0) return; |
| |
| mBackgroundController.ensureBackground(mTransaction); |
| |
| for (int i = mAnimationContextByTaskId.size() - 1; i >= 0; i--) { |
| final AnimationContext context = mAnimationContextByTaskId.valueAt(i); |
| |
| context.mCurrentCropRect.set(RECT_EVALUATOR |
| .evaluate(progress, context.mStartCropRect, context.mEndCropRect)); |
| |
| float scale = lerp(START_SCALE, END_SCALE, progress); |
| context.mMatrix.setScale(scale, scale, context.mCurrentCropRect.exactCenterX(), |
| context.mCurrentCropRect.exactCenterY()); |
| |
| mTransaction.setWindowCrop(context.mLeash, context.mCurrentCropRect) |
| .setMatrix(context.mLeash, context.mMatrix, FLOAT_9) |
| .setCornerRadius(context.mLeash, mWindowCornerRadiusPx); |
| } |
| |
| mTransaction.apply(); |
| } |
| |
| @Override |
| public void onStateChangeFinished() { |
| for (int i = mAnimationContextByTaskId.size() - 1; i >= 0; i--) { |
| final AnimationContext context = mAnimationContextByTaskId.valueAt(i); |
| resetSurface(context); |
| } |
| |
| mBackgroundController.removeBackground(mTransaction); |
| mTransaction.apply(); |
| } |
| |
| @Override |
| public void insetsChanged(InsetsState insetsState) { |
| mTaskbarInsetsSource = insetsState.getSource(InsetsState.ITYPE_EXTRA_NAVIGATION_BAR); |
| for (int i = mAnimationContextByTaskId.size() - 1; i >= 0; i--) { |
| AnimationContext context = mAnimationContextByTaskId.valueAt(i); |
| context.update(mTaskbarInsetsSource, context.mTaskInfo); |
| } |
| } |
| |
| /** |
| * Called when a new matching task appeared |
| */ |
| public void onTaskAppeared(ActivityManager.RunningTaskInfo taskInfo, SurfaceControl leash) { |
| AnimationContext animationContext = new AnimationContext(leash, mTaskbarInsetsSource, |
| taskInfo); |
| mAnimationContextByTaskId.put(taskInfo.taskId, animationContext); |
| } |
| |
| /** |
| * Called when matching task changed |
| */ |
| public void onTaskInfoChanged(ActivityManager.RunningTaskInfo taskInfo) { |
| AnimationContext animationContext = mAnimationContextByTaskId.get(taskInfo.taskId); |
| if (animationContext != null) { |
| animationContext.update(mTaskbarInsetsSource, taskInfo); |
| } |
| } |
| |
| /** |
| * Called when matching task vanished |
| */ |
| public void onTaskVanished(ActivityManager.RunningTaskInfo taskInfo) { |
| AnimationContext animationContext = mAnimationContextByTaskId.get(taskInfo.taskId); |
| if (animationContext != null) { |
| // PiP task has its own cleanup path, ignore surface reset to avoid conflict. |
| if (taskInfo.getWindowingMode() != WINDOWING_MODE_PINNED) { |
| resetSurface(animationContext); |
| } |
| mAnimationContextByTaskId.remove(taskInfo.taskId); |
| } |
| |
| if (mAnimationContextByTaskId.size() == 0) { |
| mBackgroundController.removeBackground(mTransaction); |
| } |
| |
| mTransaction.apply(); |
| } |
| |
| private void resetSurface(AnimationContext context) { |
| mTransaction |
| .setWindowCrop(context.mLeash, null) |
| .setCornerRadius(context.mLeash, 0.0F) |
| .setMatrix(context.mLeash, 1.0F, 0.0F, 0.0F, 1.0F) |
| .setPosition(context.mLeash, |
| (float) context.mTaskInfo.positionInParent.x, |
| (float) context.mTaskInfo.positionInParent.y); |
| } |
| |
| private class AnimationContext { |
| final SurfaceControl mLeash; |
| final Rect mStartCropRect = new Rect(); |
| final Rect mEndCropRect = new Rect(); |
| final Rect mCurrentCropRect = new Rect(); |
| final Matrix mMatrix = new Matrix(); |
| |
| TaskInfo mTaskInfo; |
| |
| private AnimationContext(SurfaceControl leash, |
| InsetsSource taskBarInsetsSource, |
| TaskInfo taskInfo) { |
| this.mLeash = leash; |
| update(taskBarInsetsSource, taskInfo); |
| } |
| |
| private void update(InsetsSource taskBarInsetsSource, TaskInfo taskInfo) { |
| mTaskInfo = taskInfo; |
| mStartCropRect.set(mTaskInfo.getConfiguration().windowConfiguration.getBounds()); |
| |
| if (taskBarInsetsSource != null) { |
| // Only insets the cropping window with task bar when it's expanded |
| if (taskBarInsetsSource.getFrame().height() >= mExpandedTaskBarHeight) { |
| mStartCropRect.inset(taskBarInsetsSource |
| .calculateVisibleInsets(mStartCropRect)); |
| } |
| } |
| |
| mEndCropRect.set(mStartCropRect); |
| |
| int horizontalMargin = (int) (mEndCropRect.width() * HORIZONTAL_START_MARGIN); |
| mStartCropRect.left = mEndCropRect.left + horizontalMargin; |
| mStartCropRect.right = mEndCropRect.right - horizontalMargin; |
| int verticalMargin = (int) (mEndCropRect.height() * VERTICAL_START_MARGIN); |
| mStartCropRect.top = mEndCropRect.top + verticalMargin; |
| mStartCropRect.bottom = mEndCropRect.bottom - verticalMargin; |
| } |
| } |
| } |