Merge "Add a Visual Indicator for fullscreen to freeform transitions" into udc-dev (164d3ac9) · Commits · e / os / android_frameworks_base

libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopModeVisualIndicator.java

+144 −36

Original line number	Diff line number	Diff line
		@@ -16,10 +16,13 @@

		package com.android.wm.shell.desktopmode;

		import static com.android.wm.shell.desktopmode.EnterDesktopTaskTransitionHandler.FINAL_FREEFORM_SCALE;

		import android.animation.Animator;
		import android.animation.AnimatorListenerAdapter;
		import android.animation.RectEvaluator;
		import android.animation.ValueAnimator;
		import android.annotation.NonNull;
		import android.app.ActivityManager;
		import android.content.Context;
		import android.content.res.Resources;
		@@ -32,12 +35,12 @@ import android.view.View;
		import android.view.WindowManager;
		import android.view.WindowlessWindowManager;
		import android.view.animation.DecelerateInterpolator;
		import android.widget.ImageView;

		import com.android.wm.shell.R;
		import com.android.wm.shell.RootTaskDisplayAreaOrganizer;
		import com.android.wm.shell.ShellTaskOrganizer;
		import com.android.wm.shell.common.DisplayController;
		import com.android.wm.shell.common.DisplayLayout;
		import com.android.wm.shell.common.SyncTransactionQueue;

		/**
		@@ -56,6 +59,9 @@ public class DesktopModeVisualIndicator {
		private final SyncTransactionQueue mSyncQueue;
		private SurfaceControlViewHost mViewHost;

		private View mView;
		private boolean mIsFullscreen;

		public DesktopModeVisualIndicator(SyncTransactionQueue syncQueue,
		ActivityManager.RunningTaskInfo taskInfo, DisplayController displayController,
		Context context, SurfaceControl taskSurface, ShellTaskOrganizer taskOrganizer,
		@@ -67,21 +73,19 @@ public class DesktopModeVisualIndicator {
		mTaskSurface = taskSurface;
		mTaskOrganizer = taskOrganizer;
		mRootTdaOrganizer = taskDisplayAreaOrganizer;
		createView();
		}

		/**
		* Create and animate the indicator for the exit desktop mode transition.
		* Create a fullscreen indicator with no animation
		*/
		public void createFullscreenIndicator() {
		private void createView() {
		final SurfaceControl.Transaction t = new SurfaceControl.Transaction();
		final Resources resources = mContext.getResources();
		final DisplayMetrics metrics = resources.getDisplayMetrics();
		final int screenWidth = metrics.widthPixels;
		final int screenHeight = metrics.heightPixels;
		final int padding = mDisplayController
		.getDisplayLayout(mTaskInfo.displayId).stableInsets().top;
		final ImageView v = new ImageView(mContext);
		v.setImageResource(R.drawable.desktop_windowing_transition_background);
		mView = new View(mContext);
		final SurfaceControl.Builder builder = new SurfaceControl.Builder();
		mRootTdaOrganizer.attachToDisplayArea(mTaskInfo.displayId, builder);
		mLeash = builder
		@@ -101,7 +105,7 @@ public class DesktopModeVisualIndicator {
		mViewHost = new SurfaceControlViewHost(mContext,
		mDisplayController.getDisplay(mTaskInfo.displayId), windowManager,
		"FullscreenVisualIndicator");
		mViewHost.setView(v, lp);
		mViewHost.setView(mView, lp);
		// We want this indicator to be behind the dragged task, but in front of all others.
		t.setRelativeLayer(mLeash, mTaskSurface, -1);

		@@ -109,17 +113,56 @@ public class DesktopModeVisualIndicator {
		transaction.merge(t);
		t.close();
		});
		final Rect startBounds = new Rect(padding, padding,
		screenWidth - padding, screenHeight - padding);
		final VisualIndicatorAnimator animator = VisualIndicatorAnimator.fullscreenIndicator(v,
		startBounds);
		}

		/**
		* Create fullscreen indicator and fades it in.
		*/
		public void createFullscreenIndicator() {
		mIsFullscreen = true;
		mView.setBackgroundResource(R.drawable.desktop_windowing_transition_background);
		final VisualIndicatorAnimator animator = VisualIndicatorAnimator.toFullscreenAnimator(
		mView, mDisplayController.getDisplayLayout(mTaskInfo.displayId));
		animator.start();
		}

		/**
		* Create a fullscreen indicator. Animator fades it in while expanding the bounds outwards.
		*/
		public void createFullscreenIndicatorWithAnimatedBounds() {
		mIsFullscreen = true;
		mView.setBackgroundResource(R.drawable.desktop_windowing_transition_background);
		final VisualIndicatorAnimator animator = VisualIndicatorAnimator
		.toFullscreenAnimatorWithAnimatedBounds(mView,
		mDisplayController.getDisplayLayout(mTaskInfo.displayId));
		animator.start();
		}

		/**
		* Takes existing fullscreen indicator and animates it to freeform bounds
		*/
		public void transitionFullscreenIndicatorToFreeform() {
		mIsFullscreen = false;
		final VisualIndicatorAnimator animator = VisualIndicatorAnimator.toFreeformAnimator(
		mView, mDisplayController.getDisplayLayout(mTaskInfo.displayId));
		animator.start();
		}

		/**
		* Takes the existing freeform indicator and animates it to fullscreen
		*/
		public void transitionFreeformIndicatorToFullscreen() {
		mIsFullscreen = true;
		final VisualIndicatorAnimator animator =
		VisualIndicatorAnimator.toFullscreenAnimatorWithAnimatedBounds(
		mView, mDisplayController.getDisplayLayout(mTaskInfo.displayId));
		animator.start();
		}

		/**
		* Release the indicator and its components when it is no longer needed.
		*/
		public void releaseFullscreenIndicator() {
		public void releaseVisualIndicator() {
		if (mViewHost == null) return;
		if (mViewHost != null) {
		mViewHost.release();
		@@ -136,20 +179,28 @@ public class DesktopModeVisualIndicator {
		});
		}
		}

		/**
		* Returns true if visual indicator is fullscreen
		*/
		public boolean isFullscreen() {
		return mIsFullscreen;
		}

		/**
		* Animator for Desktop Mode transitions which supports bounds and alpha animation.
		*/
		private static class VisualIndicatorAnimator extends ValueAnimator {
		private static final int FULLSCREEN_INDICATOR_DURATION = 200;
		private static final float SCALE_ADJUSTMENT_PERCENT = 0.015f;
		private static final float FULLSCREEN_SCALE_ADJUSTMENT_PERCENT = 0.015f;
		private static final float INDICATOR_FINAL_OPACITY = 0.7f;

		private final ImageView mView;
		private final View mView;
		private final Rect mStartBounds;
		private final Rect mEndBounds;
		private final RectEvaluator mRectEvaluator;

		private VisualIndicatorAnimator(ImageView view, Rect startBounds,
		private VisualIndicatorAnimator(View view, Rect startBounds,
		Rect endBounds) {
		mView = view;
		mStartBounds = new Rect(startBounds);
		@@ -162,29 +213,65 @@ public class DesktopModeVisualIndicator {
		* Create animator for visual indicator of fullscreen transition
		*
		* @param view the view for this indicator
		* @param startBounds the starting bounds of the fullscreen indicator
		*/
		public static VisualIndicatorAnimator fullscreenIndicator(ImageView view,
		Rect startBounds) {
		view.getDrawable().setBounds(startBounds);
		int width = startBounds.width();
		int height = startBounds.height();
		Rect endBounds = new Rect((int) (startBounds.left - (SCALE_ADJUSTMENT_PERCENT * width)),
		(int) (startBounds.top - (SCALE_ADJUSTMENT_PERCENT * height)),
		(int) (startBounds.right + (SCALE_ADJUSTMENT_PERCENT * width)),
		(int) (startBounds.bottom + (SCALE_ADJUSTMENT_PERCENT * height)));
		VisualIndicatorAnimator animator = new VisualIndicatorAnimator(
		view, startBounds, endBounds);
		* @param displayLayout information about the display the transitioning task is currently on
		*/
		public static VisualIndicatorAnimator toFullscreenAnimator(@NonNull View view,
		@NonNull DisplayLayout displayLayout) {
		final Rect bounds = getMaxBounds(displayLayout);
		final VisualIndicatorAnimator animator = new VisualIndicatorAnimator(
		view, bounds, bounds);
		animator.setInterpolator(new DecelerateInterpolator());
		setupIndicatorAnimation(animator);
		return animator;
		}


		/**
		* Create animator for visual indicator of fullscreen transition
		*
		* @param view the view for this indicator
		* @param displayLayout information about the display the transitioning task is currently on
		*/
		public static VisualIndicatorAnimator toFullscreenAnimatorWithAnimatedBounds(
		@NonNull View view, @NonNull DisplayLayout displayLayout) {
		final int padding = displayLayout.stableInsets().top;
		Rect startBounds = new Rect(padding, padding,
		displayLayout.width() - padding, displayLayout.height() - padding);
		view.getBackground().setBounds(startBounds);

		final VisualIndicatorAnimator animator = new VisualIndicatorAnimator(
		view, startBounds, getMaxBounds(displayLayout));
		animator.setInterpolator(new DecelerateInterpolator());
		setupIndicatorAnimation(animator);
		return animator;
		}

		/**
		* Create animator for visual indicator of freeform transition
		*
		* @param view the view for this indicator
		* @param displayLayout information about the display the transitioning task is currently on
		*/
		public static VisualIndicatorAnimator toFreeformAnimator(@NonNull View view,
		@NonNull DisplayLayout displayLayout) {
		final float adjustmentPercentage = 1f - FINAL_FREEFORM_SCALE;
		final int width = displayLayout.width();
		final int height = displayLayout.height();
		Rect endBounds = new Rect((int) (adjustmentPercentage * width / 2),
		(int) (adjustmentPercentage * height / 2),
		(int) (displayLayout.width() - (adjustmentPercentage * width / 2)),
		(int) (displayLayout.height() - (adjustmentPercentage * height / 2)));
		final VisualIndicatorAnimator animator = new VisualIndicatorAnimator(
		view, getMaxBounds(displayLayout), endBounds);
		animator.setInterpolator(new DecelerateInterpolator());
		setupFullscreenIndicatorAnimation(animator);
		setupIndicatorAnimation(animator);
		return animator;
		}

		/**
		* Add necessary listener for animation of fullscreen indicator
		* Add necessary listener for animation of indicator
		*/
		private static void setupFullscreenIndicatorAnimation(
		VisualIndicatorAnimator animator) {
		private static void setupIndicatorAnimation(@NonNull VisualIndicatorAnimator animator) {
		animator.addUpdateListener(a -> {
		if (animator.mView != null) {
		animator.updateBounds(a.getAnimatedFraction(), animator.mView);
		@@ -196,7 +283,7 @@ public class DesktopModeVisualIndicator {
		animator.addListener(new AnimatorListenerAdapter() {
		@Override
		public void onAnimationEnd(Animator animation) {
		animator.mView.getDrawable().setBounds(animator.mEndBounds);
		animator.mView.getBackground().setBounds(animator.mEndBounds);
		}
		});
		animator.setDuration(FULLSCREEN_INDICATOR_DURATION);
		@@ -210,9 +297,12 @@ public class DesktopModeVisualIndicator {
		* @param fraction fraction to use, compared against previous fraction
		* @param view the view to update
		*/
		private void updateBounds(float fraction, ImageView view) {
		private void updateBounds(float fraction, View view) {
		if (mStartBounds.equals(mEndBounds)) {
		return;
		}
		Rect currentBounds = mRectEvaluator.evaluate(fraction, mStartBounds, mEndBounds);
		view.getDrawable().setBounds(currentBounds);
		view.getBackground().setBounds(currentBounds);
		}

		/**
		@@ -223,5 +313,23 @@ public class DesktopModeVisualIndicator {
		private void updateIndicatorAlpha(float fraction, View view) {
		view.setAlpha(fraction * INDICATOR_FINAL_OPACITY);
		}

		/**
		* Return the max bounds of a fullscreen indicator
		*/
		private static Rect getMaxBounds(@NonNull DisplayLayout displayLayout) {
		final int padding = displayLayout.stableInsets().top;
		final int width = displayLayout.width() - 2 * padding;
		final int height = displayLayout.height() - 2 * padding;
		Rect endBounds = new Rect((int) (padding
		- (FULLSCREEN_SCALE_ADJUSTMENT_PERCENT * width)),
		(int) (padding
		- (FULLSCREEN_SCALE_ADJUSTMENT_PERCENT * height)),
		(int) (displayLayout.width() - padding
		+ (FULLSCREEN_SCALE_ADJUSTMENT_PERCENT * width)),
		(int) (displayLayout.height() - padding
		+ (FULLSCREEN_SCALE_ADJUSTMENT_PERCENT * height)));
		return endBounds;
		}
		}
		}

libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopTasksController.kt

+67 −11

Original line number	Diff line number	Diff line
		@@ -122,7 +122,7 @@ class DesktopTasksController(
		}

		/** Move a task to desktop */
		fun moveToDesktop(task: ActivityManager.RunningTaskInfo) {
		fun moveToDesktop(task: RunningTaskInfo) {
		ProtoLog.v(WM_SHELL_DESKTOP_MODE, "moveToDesktop: %d", task.taskId)

		val wct = WindowContainerTransaction()
		@@ -181,7 +181,7 @@ class DesktopTasksController(
		}

		/** Move a task to fullscreen */
		fun moveToFullscreen(task: ActivityManager.RunningTaskInfo) {
		fun moveToFullscreen(task: RunningTaskInfo) {
		ProtoLog.v(WM_SHELL_DESKTOP_MODE, "moveToFullscreen: %d", task.taskId)

		val wct = WindowContainerTransaction()
		@@ -206,7 +206,7 @@ class DesktopTasksController(
		}

		/ Move a task to the front /
		fun moveTaskToFront(taskInfo: ActivityManager.RunningTaskInfo) {
		fun moveTaskToFront(taskInfo: RunningTaskInfo) {
		val wct = WindowContainerTransaction()
		wct.reorder(taskInfo.token, true)
		if (Transitions.ENABLE_SHELL_TRANSITIONS) {
		@@ -273,7 +273,7 @@ class DesktopTasksController(
		request: TransitionRequestInfo
		): WindowContainerTransaction? {
		// Check if we should skip handling this transition
		val task: ActivityManager.RunningTaskInfo? = request.triggerTask
		val task: RunningTaskInfo? = request.triggerTask
		val shouldHandleRequest =
		when {
		// Only handle open or to front transitions
		@@ -382,16 +382,15 @@ class DesktopTasksController(
		taskSurface: SurfaceControl,
		y: Float
		) {
		val statusBarHeight = displayController
		.getDisplayLayout(taskInfo.displayId)?.stableInsets()?.top ?: 0
		if (taskInfo.windowingMode == WINDOWING_MODE_FREEFORM) {
		val statusBarHeight = getStatusBarHeight(taskInfo)
		if (y <= statusBarHeight && visualIndicator == null) {
		visualIndicator = DesktopModeVisualIndicator(syncQueue, taskInfo,
		displayController, context, taskSurface, shellTaskOrganizer,
		rootTaskDisplayAreaOrganizer)
		visualIndicator?.createFullscreenIndicator()
		visualIndicator?.createFullscreenIndicatorWithAnimatedBounds()
		} else if (y > statusBarHeight && visualIndicator != null) {
		visualIndicator?.releaseFullscreenIndicator()
		visualIndicator?.releaseVisualIndicator()
		visualIndicator = null
		}
		}
		@@ -407,15 +406,72 @@ class DesktopTasksController(
		taskInfo: RunningTaskInfo,
		y: Float
		) {
		val statusBarHeight = displayController
		.getDisplayLayout(taskInfo.displayId)?.stableInsets()?.top ?: 0
		val statusBarHeight = getStatusBarHeight(taskInfo)
		if (y <= statusBarHeight && taskInfo.windowingMode == WINDOWING_MODE_FREEFORM) {
		visualIndicator?.releaseFullscreenIndicator()
		visualIndicator?.releaseVisualIndicator()
		visualIndicator = null
		moveToFullscreenWithAnimation(taskInfo)
		}
		}

		/**
		* Perform checks required on drag move. Create/release fullscreen indicator and transitions
		* indicator to freeform or fullscreen dimensions as needed.
		*
		* @param taskInfo the task being dragged.
		* @param taskSurface SurfaceControl of dragged task.
		* @param y coordinate of dragged task. Used for checks against status bar height.
		*/
		fun onDragPositioningMoveThroughStatusBar(
		taskInfo: RunningTaskInfo,
		taskSurface: SurfaceControl,
		y: Float
		) {
		if (visualIndicator == null) {
		visualIndicator = DesktopModeVisualIndicator(syncQueue, taskInfo,
		displayController, context, taskSurface, shellTaskOrganizer,
		rootTaskDisplayAreaOrganizer)
		visualIndicator?.createFullscreenIndicator()
		}
		val indicator = visualIndicator ?: return
		if (y >= getFreeformTransitionStatusBarDragThreshold(taskInfo)) {
		if (indicator.isFullscreen) {
		indicator.transitionFullscreenIndicatorToFreeform()
		}
		} else if (!indicator.isFullscreen) {
		indicator.transitionFreeformIndicatorToFullscreen()
		}
		}

		/**
		* Perform checks required when drag ends under status bar area.
		*
		* @param taskInfo the task being dragged.
		* @param y height of drag, to be checked against status bar height.
		*/
		fun onDragPositioningEndThroughStatusBar(
		taskInfo: RunningTaskInfo,
		freeformBounds: Rect
		) {
		moveToDesktopWithAnimation(taskInfo, freeformBounds)
		visualIndicator?.releaseVisualIndicator()
		visualIndicator = null
		}


		private fun getStatusBarHeight(taskInfo: RunningTaskInfo): Int {
		return displayController.getDisplayLayout(taskInfo.displayId)?.stableInsets()?.top ?: 0
		}

		/**
		* Returns the threshold at which we transition a task into freeform when dragging a
		* fullscreen task down from the status bar
		*/
		private fun getFreeformTransitionStatusBarDragThreshold(taskInfo: RunningTaskInfo): Int {
		return 2 * getStatusBarHeight(taskInfo)
		}


		/**
		* Adds a listener to find out about changes in the visibility of freeform tasks.
		*

libs/WindowManager/Shell/src/com/android/wm/shell/windowdecor/DesktopModeWindowDecorViewModel.java

+9 −5

Original line number	Diff line number	Diff line
		@@ -79,6 +79,7 @@ import java.util.function.Supplier;

		public class DesktopModeWindowDecorViewModel implements WindowDecorViewModel {
		private static final String TAG = "DesktopModeWindowDecorViewModel";

		private final DesktopModeWindowDecoration.Factory mDesktopModeWindowDecorFactory;
		private final ActivityTaskManager mActivityTaskManager;
		private final ShellTaskOrganizer mTaskOrganizer;
		@@ -542,7 +543,7 @@ public class DesktopModeWindowDecorViewModel implements WindowDecorViewModel {
		mTransitionDragActive = false;
		final int statusBarHeight = getStatusBarHeight(
		relevantDecor.mTaskInfo.displayId);
		if (ev.getY() > statusBarHeight) {
		if (ev.getY() > 2 * statusBarHeight) {
		if (DesktopModeStatus.isProto2Enabled()) {
		mPauseRelayoutForTask = relevantDecor.mTaskInfo.taskId;
		centerAndMoveToDesktopWithAnimation(relevantDecor, ev);
		@@ -567,9 +568,11 @@ public class DesktopModeWindowDecorViewModel implements WindowDecorViewModel {
		return;
		}
		if (mTransitionDragActive) {
		final int statusBarHeight = mDisplayController
		.getDisplayLayout(
		relevantDecor.mTaskInfo.displayId).stableInsets().top;
		mDesktopTasksController.ifPresent(
		c -> c.onDragPositioningMoveThroughStatusBar(relevantDecor.mTaskInfo,
		relevantDecor.mTaskSurface, ev.getY()));
		final int statusBarHeight = getStatusBarHeight(
		relevantDecor.mTaskInfo.displayId);
		if (ev.getY() > statusBarHeight) {
		if (!mDragToDesktopAnimationStarted) {
		mDragToDesktopAnimationStarted = true;
		@@ -644,7 +647,8 @@ public class DesktopModeWindowDecorViewModel implements WindowDecorViewModel {
		@Override
		public void onAnimationEnd(Animator animation) {
		mDesktopTasksController.ifPresent(
		c -> c.moveToDesktopWithAnimation(relevantDecor.mTaskInfo,
		c -> c.onDragPositioningEndThroughStatusBar(
		relevantDecor.mTaskInfo,
		calculateFreeformBounds(FINAL_FREEFORM_SCALE)));
		}
		});