Merge "Drag task to left or right edge to enter split select." into udc-qpr-dev (bf8019c0) · Commits · e / os / android_frameworks_base

libs/WindowManager/Shell/res/values/dimen.xml

+4 −0

Original line number	Diff line number	Diff line
		@@ -432,6 +432,10 @@

		<dimen name="freeform_resize_corner">44dp</dimen>

		<!-- The width of the area at the sides of the screen where a freeform task will transition to
		split select if dragged until the touch input is within the range. -->
		<dimen name="desktop_mode_transition_area_width">32dp</dimen>

		<!-- The height of the area at the top of the screen where a freeform task will transition to
		fullscreen if dragged until the top bound of the task is within the area. -->
		<dimen name="desktop_mode_transition_area_height">16dp</dimen>

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

+144 −50

Original line number	Diff line number	Diff line
		@@ -27,6 +27,7 @@ import android.app.ActivityManager;
		import android.content.Context;
		import android.content.res.Resources;
		import android.graphics.PixelFormat;
		import android.graphics.PointF;
		import android.graphics.Rect;
		import android.util.DisplayMetrics;
		import android.view.SurfaceControl;
		@@ -47,6 +48,15 @@ import com.android.wm.shell.common.SyncTransactionQueue;
		* Animated visual indicator for Desktop Mode windowing transitions.
		*/
		public class DesktopModeVisualIndicator {
		public static final int INVALID_INDICATOR = -1;
		/** Indicates impending transition into desktop mode */
		public static final int TO_DESKTOP_INDICATOR = 1;
		/** Indicates impending transition into fullscreen */
		public static final int TO_FULLSCREEN_INDICATOR = 2;
		/** Indicates impending transition into split select on the left side */
		public static final int TO_SPLIT_LEFT_INDICATOR = 3;
		/** Indicates impending transition into split select on the right side */
		public static final int TO_SPLIT_RIGHT_INDICATOR = 4;

		private final Context mContext;
		private final DisplayController mDisplayController;
		@@ -54,6 +64,7 @@ public class DesktopModeVisualIndicator {
		private final RootTaskDisplayAreaOrganizer mRootTdaOrganizer;
		private final ActivityManager.RunningTaskInfo mTaskInfo;
		private final SurfaceControl mTaskSurface;
		private final Rect mIndicatorRange = new Rect();
		private SurfaceControl mLeash;

		private final SyncTransactionQueue mSyncQueue;
		@@ -61,11 +72,12 @@ public class DesktopModeVisualIndicator {

		private View mView;
		private boolean mIsFullscreen;
		private int mType;

		public DesktopModeVisualIndicator(SyncTransactionQueue syncQueue,
		ActivityManager.RunningTaskInfo taskInfo, DisplayController displayController,
		Context context, SurfaceControl taskSurface, ShellTaskOrganizer taskOrganizer,
		RootTaskDisplayAreaOrganizer taskDisplayAreaOrganizer) {
		RootTaskDisplayAreaOrganizer taskDisplayAreaOrganizer, int type) {
		mSyncQueue = syncQueue;
		mTaskInfo = taskInfo;
		mDisplayController = displayController;
		@@ -73,9 +85,63 @@ public class DesktopModeVisualIndicator {
		mTaskSurface = taskSurface;
		mTaskOrganizer = taskOrganizer;
		mRootTdaOrganizer = taskDisplayAreaOrganizer;
		mType = type;
		defineIndicatorRange();
		createView();
		}

		/**
		* If an indicator is warranted based on the input and task bounds, return the type of
		* indicator that should be created.
		*/
		public static int determineIndicatorType(PointF inputCoordinates, Rect taskBounds,
		DisplayLayout layout, Context context) {
		int transitionAreaHeight = context.getResources().getDimensionPixelSize(
		com.android.wm.shell.R.dimen.desktop_mode_transition_area_height);
		int transitionAreaWidth = context.getResources().getDimensionPixelSize(
		com.android.wm.shell.R.dimen.desktop_mode_transition_area_width);
		if (taskBounds.top <= transitionAreaHeight) return TO_FULLSCREEN_INDICATOR;
		if (inputCoordinates.x <= transitionAreaWidth) return TO_SPLIT_LEFT_INDICATOR;
		if (inputCoordinates.x >= layout.width() - transitionAreaWidth) {
		return TO_SPLIT_RIGHT_INDICATOR;
		}
		return INVALID_INDICATOR;
		}

		/**
		* Determine range of inputs that will keep this indicator displaying.
		*/
		private void defineIndicatorRange() {
		DisplayLayout layout = mDisplayController.getDisplayLayout(mTaskInfo.displayId);
		int captionHeight = mContext.getResources().getDimensionPixelSize(
		com.android.wm.shell.R.dimen.freeform_decor_caption_height);
		int transitionAreaHeight = mContext.getResources().getDimensionPixelSize(
		com.android.wm.shell.R.dimen.desktop_mode_transition_area_height);
		int transitionAreaWidth = mContext.getResources().getDimensionPixelSize(
		com.android.wm.shell.R.dimen.desktop_mode_transition_area_width);
		switch (mType) {
		case TO_DESKTOP_INDICATOR:
		// TO_DESKTOP indicator is only dismissed on release; entire display is valid.
		mIndicatorRange.set(0, 0, layout.width(), layout.height());
		break;
		case TO_FULLSCREEN_INDICATOR:
		// If drag results in caption going above the top edge of the display, we still
		// want to transition to fullscreen.
		mIndicatorRange.set(0, -captionHeight, layout.width(), transitionAreaHeight);
		break;
		case TO_SPLIT_LEFT_INDICATOR:
		mIndicatorRange.set(0, transitionAreaHeight, transitionAreaWidth, layout.height());
		break;
		case TO_SPLIT_RIGHT_INDICATOR:
		mIndicatorRange.set(layout.width() - transitionAreaWidth, transitionAreaHeight,
		layout.width(), layout.height());
		break;
		default:
		break;
		}
		}


		/**
		* Create a fullscreen indicator with no animation
		*/
		@@ -85,11 +151,30 @@ public class DesktopModeVisualIndicator {
		final DisplayMetrics metrics = resources.getDisplayMetrics();
		final int screenWidth = metrics.widthPixels;
		final int screenHeight = metrics.heightPixels;

		mView = new View(mContext);
		final SurfaceControl.Builder builder = new SurfaceControl.Builder();
		mRootTdaOrganizer.attachToDisplayArea(mTaskInfo.displayId, builder);
		String description;
		switch (mType) {
		case TO_DESKTOP_INDICATOR:
		description = "Desktop indicator";
		break;
		case TO_FULLSCREEN_INDICATOR:
		description = "Fullscreen indicator";
		break;
		case TO_SPLIT_LEFT_INDICATOR:
		description = "Split Left indicator";
		break;
		case TO_SPLIT_RIGHT_INDICATOR:
		description = "Split Right indicator";
		break;
		default:
		description = "Invalid indicator";
		break;
		}
		mLeash = builder
		.setName("Fullscreen Indicator")
		.setName(description)
		.setContainerLayer()
		.build();
		t.show(mLeash);
		@@ -97,14 +182,14 @@ public class DesktopModeVisualIndicator {
		new WindowManager.LayoutParams(screenWidth, screenHeight,
		WindowManager.LayoutParams.TYPE_APPLICATION,
		WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE, PixelFormat.TRANSPARENT);
		lp.setTitle("Fullscreen indicator for Task=" + mTaskInfo.taskId);
		lp.setTitle(description + " for Task=" + mTaskInfo.taskId);
		lp.setTrustedOverlay();
		final WindowlessWindowManager windowManager = new WindowlessWindowManager(
		mTaskInfo.configuration, mLeash,
		null /* hostInputToken */);
		mViewHost = new SurfaceControlViewHost(mContext,
		mDisplayController.getDisplay(mTaskInfo.displayId), windowManager,
		"FullscreenVisualIndicator");
		"DesktopModeVisualIndicator");
		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);
		@@ -116,24 +201,13 @@ public class DesktopModeVisualIndicator {
		}

		/**
		* 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.
		* Create an indicator. Animator fades it in while expanding the bounds outwards.
		*/
		public void createFullscreenIndicatorWithAnimatedBounds() {
		mIsFullscreen = true;
		public void createIndicatorWithAnimatedBounds() {
		mIsFullscreen = mType == TO_FULLSCREEN_INDICATOR;
		mView.setBackgroundResource(R.drawable.desktop_windowing_transition_background);
		final VisualIndicatorAnimator animator = VisualIndicatorAnimator
		.toFullscreenAnimatorWithAnimatedBounds(mView,
		.animateBounds(mView, mType,
		mDisplayController.getDisplayLayout(mTaskInfo.displayId));
		animator.start();
		}
		@@ -143,6 +217,7 @@ public class DesktopModeVisualIndicator {
		*/
		public void transitionFullscreenIndicatorToFreeform() {
		mIsFullscreen = false;
		mType = TO_DESKTOP_INDICATOR;
		final VisualIndicatorAnimator animator = VisualIndicatorAnimator.toFreeformAnimator(
		mView, mDisplayController.getDisplayLayout(mTaskInfo.displayId));
		animator.start();
		@@ -153,12 +228,21 @@ public class DesktopModeVisualIndicator {
		*/
		public void transitionFreeformIndicatorToFullscreen() {
		mIsFullscreen = true;
		mType = TO_FULLSCREEN_INDICATOR;
		final VisualIndicatorAnimator animator =
		VisualIndicatorAnimator.toFullscreenAnimatorWithAnimatedBounds(
		mView, mDisplayController.getDisplayLayout(mTaskInfo.displayId));
		animator.start();
		}

		/**
		* Determine if a MotionEvent is in the same range that enabled the indicator.
		* Used to dismiss the indicator when a transition will no longer result from releasing.
		*/
		public boolean eventOutsideRange(float x, float y) {
		return !mIndicatorRange.contains((int) x, (int) y);
		}

		/**
		* Release the indicator and its components when it is no longer needed.
		*/
		@@ -210,32 +294,45 @@ public class DesktopModeVisualIndicator {
		* @param view the view for this indicator
		* @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);
		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, bounds, bounds);
		view, startBounds, getMaxBounds(startBounds));
		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) {
		public static VisualIndicatorAnimator animateBounds(
		@NonNull View view, int type, @NonNull DisplayLayout displayLayout) {
		final int padding = displayLayout.stableInsets().top;
		Rect startBounds = new Rect(padding, padding,
		displayLayout.width() - padding, displayLayout.height() - padding);
		Rect startBounds = new Rect();
		switch (type) {
		case TO_FULLSCREEN_INDICATOR:
		startBounds.set(padding, padding,
		displayLayout.width() - padding,
		displayLayout.height() - padding);
		break;
		case TO_SPLIT_LEFT_INDICATOR:
		startBounds.set(padding, padding,
		displayLayout.width() / 2 - padding,
		displayLayout.height() - padding);
		break;
		case TO_SPLIT_RIGHT_INDICATOR:
		startBounds.set(displayLayout.width() / 2 + padding, padding,
		displayLayout.width() - padding,
		displayLayout.height() - padding);
		break;
		}
		view.getBackground().setBounds(startBounds);

		final VisualIndicatorAnimator animator = new VisualIndicatorAnimator(
		view, startBounds, getMaxBounds(displayLayout));
		view, startBounds, getMaxBounds(startBounds));
		animator.setInterpolator(new DecelerateInterpolator());
		setupIndicatorAnimation(animator);
		return animator;
		@@ -252,12 +349,13 @@ public class DesktopModeVisualIndicator {
		final float adjustmentPercentage = 1f - FINAL_FREEFORM_SCALE;
		final int width = displayLayout.width();
		final int height = displayLayout.height();
		Rect startBounds = new Rect(0, 0, width, 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);
		view, startBounds, endBounds);
		animator.setInterpolator(new DecelerateInterpolator());
		setupIndicatorAnimation(animator);
		return animator;
		@@ -310,21 +408,17 @@ public class DesktopModeVisualIndicator {
		}

		/**
		* Return the max bounds of a fullscreen indicator
		* Return the max bounds of a visual 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;
		private static Rect getMaxBounds(Rect startBounds) {
		return new Rect((int) (startBounds.left
		- (FULLSCREEN_SCALE_ADJUSTMENT_PERCENT * startBounds.width())),
		(int) (startBounds.top
		- (FULLSCREEN_SCALE_ADJUSTMENT_PERCENT * startBounds.height())),
		(int) (startBounds.right
		+ (FULLSCREEN_SCALE_ADJUSTMENT_PERCENT * startBounds.width())),
		(int) (startBounds.bottom
		+ (FULLSCREEN_SCALE_ADJUSTMENT_PERCENT * startBounds.height())));
		}
		}
		}

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

+63 −23

Original line number	Diff line number	Diff line
		@@ -29,6 +29,7 @@ import android.app.WindowConfiguration.WindowingMode
		import android.content.Context
		import android.content.res.TypedArray
		import android.graphics.Point
		import android.graphics.PointF
		import android.graphics.Rect
		import android.graphics.Region
		import android.os.IBinder
		@@ -55,7 +56,10 @@ import com.android.wm.shell.common.SingleInstanceRemoteListener
		import com.android.wm.shell.common.SyncTransactionQueue
		import com.android.wm.shell.common.annotations.ExternalThread
		import com.android.wm.shell.common.annotations.ShellMainThread
		import com.android.wm.shell.common.split.SplitScreenConstants.SPLIT_POSITION_BOTTOM_OR_RIGHT
		import com.android.wm.shell.common.split.SplitScreenConstants.SPLIT_POSITION_TOP_OR_LEFT
		import com.android.wm.shell.desktopmode.DesktopModeTaskRepository.VisibleTasksListener
		import com.android.wm.shell.desktopmode.DesktopModeVisualIndicator.TO_DESKTOP_INDICATOR
		import com.android.wm.shell.protolog.ShellProtoLogGroup.WM_SHELL_DESKTOP_MODE
		import com.android.wm.shell.splitscreen.SplitScreenController
		import com.android.wm.shell.sysui.ShellCommandHandler
		@@ -107,6 +111,10 @@ class DesktopTasksController(
		get() = context.resources.getDimensionPixelSize(
		com.android.wm.shell.R.dimen.desktop_mode_transition_area_height)

		private val transitionAreaWidth
		get() = context.resources.getDimensionPixelSize(
		com.android.wm.shell.R.dimen.desktop_mode_transition_area_width)

		// This is public to avoid cyclic dependency; it is set by SplitScreenController
		lateinit var splitScreenController: SplitScreenController

		@@ -755,7 +763,8 @@ class DesktopTasksController(
		) {
		val wct = WindowContainerTransaction()
		addMoveToSplitChanges(wct, taskInfo)
		splitScreenController.requestEnterSplitSelect(taskInfo, wct)
		splitScreenController.requestEnterSplitSelect(taskInfo, wct,
		SPLIT_POSITION_BOTTOM_OR_RIGHT, taskInfo.configuration.windowConfiguration.bounds)
		}
		}

		@@ -779,25 +788,36 @@ class DesktopTasksController(

		/**
		* Perform checks required on drag move. Create/release fullscreen indicator as needed.
		* Different sources for x and y coordinates are used due to different needs for each:
		* We want split transitions to be based on input coordinates but fullscreen transition
		* to be based on task edge coordinate.
		*
		* @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.
		* @param inputCoordinate coordinates of input. Used for checks against left/right edge of screen.
		* @param taskBounds bounds of dragged task. Used for checks against status bar height.
		*/
		fun onDragPositioningMove(
		taskInfo: RunningTaskInfo,
		taskSurface: SurfaceControl,
		y: Float
		inputCoordinate: PointF,
		taskBounds: Rect
		) {
		if (taskInfo.windowingMode == WINDOWING_MODE_FREEFORM) {
		if (y <= transitionAreaHeight && visualIndicator == null) {
		visualIndicator = DesktopModeVisualIndicator(syncQueue, taskInfo,
		val displayLayout = displayController.getDisplayLayout(taskInfo.displayId) ?: return
		if (taskInfo.windowingMode != WINDOWING_MODE_FREEFORM) return
		var type = DesktopModeVisualIndicator.determineIndicatorType(inputCoordinate,
		taskBounds, displayLayout, context)
		if (type != DesktopModeVisualIndicator.INVALID_INDICATOR && visualIndicator == null) {
		visualIndicator = DesktopModeVisualIndicator(
		syncQueue, taskInfo,
		displayController, context, taskSurface, shellTaskOrganizer,
		rootTaskDisplayAreaOrganizer)
		visualIndicator?.createFullscreenIndicatorWithAnimatedBounds()
		} else if (y > transitionAreaHeight && visualIndicator != null) {
		releaseVisualIndicator()
		rootTaskDisplayAreaOrganizer, type)
		visualIndicator?.createIndicatorWithAnimatedBounds()
		return
		}
		if (visualIndicator?.eventOutsideRange(inputCoordinate.x,
		taskBounds.top.toFloat()) == true) {
		releaseVisualIndicator()
		}
		}

		@@ -806,19 +826,39 @@ class DesktopTasksController(
		*
		* @param taskInfo the task being dragged.
		* @param position position of surface when drag ends.
		* @param y the Y position of the top edge of the task
		* @param inputCoordinate the coordinates of the motion event
		* @param taskBounds the updated bounds of the task being dragged.
		* @param windowDecor the window decoration for the task being dragged
		*/
		fun onDragPositioningEnd(
		taskInfo: RunningTaskInfo,
		position: Point,
		y: Float,
		inputCoordinate: PointF,
		taskBounds: Rect,
		windowDecor: DesktopModeWindowDecoration
		) {
		if (y <= transitionAreaHeight && taskInfo.windowingMode == WINDOWING_MODE_FREEFORM) {
		if (taskInfo.configuration.windowConfiguration.windowingMode != WINDOWING_MODE_FREEFORM) {
		return
		}
		if (taskBounds.top <= transitionAreaHeight) {
		windowDecor.incrementRelayoutBlock()
		moveToFullscreenWithAnimation(taskInfo, position)
		}
		if (inputCoordinate.x <= transitionAreaWidth) {
		releaseVisualIndicator()
		var wct = WindowContainerTransaction()
		addMoveToSplitChanges(wct, taskInfo)
		splitScreenController.requestEnterSplitSelect(taskInfo, wct,
		SPLIT_POSITION_TOP_OR_LEFT, taskBounds)
		}
		if (inputCoordinate.x >= (displayController.getDisplayLayout(taskInfo.displayId)?.width()
		?.minus(transitionAreaWidth) ?: return)) {
		releaseVisualIndicator()
		var wct = WindowContainerTransaction()
		addMoveToSplitChanges(wct, taskInfo)
		splitScreenController.requestEnterSplitSelect(taskInfo, wct,
		SPLIT_POSITION_BOTTOM_OR_RIGHT, taskBounds)
		}
		}

		/**
		@@ -842,8 +882,8 @@ class DesktopTasksController(
		if (visualIndicator == null) {
		visualIndicator = DesktopModeVisualIndicator(syncQueue, taskInfo,
		displayController, context, taskSurface, shellTaskOrganizer,
		rootTaskDisplayAreaOrganizer)
		visualIndicator?.createFullscreenIndicator()
		rootTaskDisplayAreaOrganizer, TO_DESKTOP_INDICATOR)
		visualIndicator?.createIndicatorWithAnimatedBounds()
		}
		val indicator = visualIndicator ?: return
		if (y >= getFreeformTransitionStatusBarDragThreshold(taskInfo)) {

libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/ISplitSelectListener.aidl

+2 −2

Original line number	Diff line number	Diff line
		@@ -17,7 +17,7 @@
		package com.android.wm.shell.splitscreen;

		import android.app.ActivityManager.RunningTaskInfo;

		import android.graphics.Rect;
		/**
		* Listener interface that Launcher attaches to SystemUI to get split-select callbacks.
		*/
		@@ -25,5 +25,5 @@ interface ISplitSelectListener {
		/**
		* Called when a task requests to enter split select
		*/
		boolean onRequestSplitSelect(in RunningTaskInfo taskInfo);
		boolean onRequestSplitSelect(in RunningTaskInfo taskInfo, int splitPosition, in Rect taskBounds);
		}
		No newline at end of file

libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/SplitScreen.java

+2 −1

Original line number	Diff line number	Diff line
		@@ -66,7 +66,8 @@ public interface SplitScreen {

		/** Callback interface for listening to requests to enter split select */
		interface SplitSelectListener {
		default boolean onRequestEnterSplitSelect(ActivityManager.RunningTaskInfo taskInfo) {
		default boolean onRequestEnterSplitSelect(ActivityManager.RunningTaskInfo taskInfo,
		int splitPosition, Rect taskBounds) {
		return false;
		}
		}