Merge "4/n Add fallback to default task display area" into rvc-dev am: 3dbef9419f (b7937040) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/wm/ActivityStack.java

+2 −3

Original line number	Diff line number	Diff line
		@@ -3553,9 +3553,8 @@ class ActivityStack extends Task {
		}
		}

		void reparent(DisplayContent newParent, boolean onTop) {
		// Real parent of stack is within display object, so we have to delegate re-parenting there.
		newParent.moveStackToDisplay(this, onTop);
		void reparent(TaskDisplayArea newParent, boolean onTop) {
		reparent(newParent, onTop ? POSITION_TOP : POSITION_BOTTOM);
		}

		private void updateSurfaceBounds() {

services/core/java/com/android/server/wm/ActivityStackSupervisor.java

+4 −4

Original line number	Diff line number	Diff line
		@@ -412,7 +412,7 @@ public class ActivityStackSupervisor implements RecentTasks.Callbacks {
		final ActivityStack stack = (ActivityStack) task;
		stack.setWindowingMode(WINDOWING_MODE_FULLSCREEN);
		if (mToDisplay.getDisplayId() != stack.getDisplayId()) {
		mToDisplay.moveStackToDisplay(stack, mOnTop);
		stack.reparent(mToDisplay.getDefaultTaskDisplayArea(), mOnTop);
		} else if (mOnTop) {
		mToDisplay.mTaskContainers.positionStackAtTop(stack,
		false /* includingParents */);
		@@ -566,8 +566,8 @@ public class ActivityStackSupervisor implements RecentTasks.Callbacks {
		}

		void moveRecentsStackToFront(String reason) {
		final ActivityStack recentsStack = mRootWindowContainer.getDefaultDisplay().getStack(
		WINDOWING_MODE_UNDEFINED, ACTIVITY_TYPE_RECENTS);
		final ActivityStack recentsStack = mRootWindowContainer.getDefaultTaskDisplayArea()
		.getStack(WINDOWING_MODE_UNDEFINED, ACTIVITY_TYPE_RECENTS);
		if (recentsStack != null) {
		recentsStack.moveToFront(reason);
		}
		@@ -2613,7 +2613,7 @@ public class ActivityStackSupervisor implements RecentTasks.Callbacks {
		// from whatever is started from the recents activity, so move the home stack
		// forward.
		// TODO (b/115289124): Multi-display supports for recents.
		mRootWindowContainer.getDefaultDisplay().mTaskContainers.moveHomeStackToFront(
		mRootWindowContainer.getDefaultTaskDisplayArea().moveHomeStackToFront(
		"startActivityFromRecents");
		}

services/core/java/com/android/server/wm/ActivityTaskManagerService.java

+4 −4

Original line number	Diff line number	Diff line
		@@ -4283,9 +4283,9 @@ public class ActivityTaskManagerService extends IActivityTaskManager.Stub {
		long ident = Binder.clearCallingIdentity();
		try {
		synchronized (mGlobalLock) {
		final DisplayContent dc = mRootWindowContainer.getDefaultDisplay();
		final Task primary = dc.getRootSplitScreenPrimaryTask();
		final Task secondary = dc.getTask(t -> t.mCreatedByOrganizer && t.isRootTask()
		final TaskDisplayArea tc = mRootWindowContainer.getDefaultTaskDisplayArea();
		final Task primary = tc.getRootSplitScreenPrimaryTask();
		final Task secondary = tc.getTask(t -> t.mCreatedByOrganizer && t.isRootTask()
		&& t.inSplitScreenSecondaryWindowingMode());
		if (primary == null \|\| secondary == null) {
		return;
		@@ -4301,7 +4301,7 @@ public class ActivityTaskManagerService extends IActivityTaskManager.Stub {
		if (otherRect == null) {
		// Temporary estimation... again this is just for tests.
		otherRect = new Rect(secondary.getBounds());
		if (dc.getBounds().width() > dc.getBounds().height()) {
		if (tc.getBounds().width() > tc.getBounds().height()) {
		otherRect.left = primaryRect.right + 6;
		} else {
		otherRect.top = primaryRect.bottom + 6;

services/core/java/com/android/server/wm/DisplayAreaPolicyBuilder.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -54,7 +54,7 @@ import java.util.Map;
		* - DisplayArea.Root
		* - Magnification
		* - DisplayArea.Tokens (Wallpapers are attached here)
		* - TaskContainers
		* - TaskDisplayArea
		* - DisplayArea.Tokens (windows above Tasks up to IME are attached here)
		* - ImeContainers
		* - DisplayArea.Tokens (windows above IME up to TYPE_ACCESSIBILITY_OVERLAY attached here)

services/core/java/com/android/server/wm/DisplayContent.java

+22 −109

Original line number	Diff line number	Diff line
		@@ -575,13 +575,6 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo

		private RootWindowContainer mRootWindowContainer;

		/**
		* All of the stacks on this display. Order matters, topmost stack is in front of all other
		* stacks, bottommost behind. Accessed directly by ActivityManager package classes. Any calls
		* changing the list should also call {@link #onStackOrderChanged()}.
		*/
		private ArrayList<OnStackOrderChangedListener> mStackOrderChangedCallbacks = new ArrayList<>();

		/** Array of all UIDs that are present on the display. */
		private IntArray mDisplayAccessUIDs = new IntArray();

		@@ -2062,23 +2055,6 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
		return (mDisplay.getFlags() & FLAG_PRIVATE) != 0;
		}

		ActivityStack getRootHomeTask() {
		return mTaskContainers.getRootHomeTask();
		}

		/** @return The primary split-screen task, and {@code null} otherwise. */
		@Nullable ActivityStack getRootSplitScreenPrimaryTask() {
		return mTaskContainers.getRootSplitScreenPrimaryTask();
		}

		ActivityStack getRootPinnedTask() {
		return mTaskContainers.getRootPinnedTask();
		}

		boolean hasPinnedTask() {
		return mTaskContainers.getRootPinnedTask() != null;
		}

		/**
		* Returns the topmost stack on the display that is compatible with the input windowing mode and
		* activity type. Null is no compatible stack on the display.
		@@ -2095,32 +2071,11 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
		return mTaskContainers.mChildren.get(index);
		}

		int getIndexOf(ActivityStack stack) {
		return mTaskContainers.getIndexOf(stack);
		}

		void removeStack(ActivityStack stack) {
		mTaskContainers.removeChild(stack);
		}

		@VisibleForTesting
		WindowList<ActivityStack> getStacks() {
		return mTaskContainers.mChildren;
		}

		@VisibleForTesting
		ActivityStack getTopStack() {
		return mTaskContainers.getTopStack();
		}

		ArrayList<Task> getVisibleTasks() {
		return mTaskContainers.getVisibleTasks();
		}

		SurfaceControl getSplitScreenDividerAnchor() {
		return mTaskContainers.getSplitScreenDividerAnchor();
		}

		/**
		* The value is only valid in the scope {@link #onRequestedOverrideConfigurationChanged} of the
		* changing hierarchy and the {@link #onConfigurationChanged} of its children.
		@@ -2409,8 +2364,13 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
		out.set(mDisplayFrames.mStable);
		}

		void moveStackToDisplay(ActivityStack stack, boolean onTop) {
		stack.reparent(mTaskContainers, onTop ? POSITION_TOP: POSITION_BOTTOM);
		/**
		* Get the default display area on the display dedicated to app windows. This one should be used
		* only as a fallback location for activity launches when no target display area is specified,
		* or for cases when multi-instance is not supported yet (like Split-screen, PiP or Recents).
		*/
		TaskDisplayArea getDefaultTaskDisplayArea() {
		return mTaskContainers;
		}

		@Override
		@@ -2473,7 +2433,7 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
		*/
		Task findTaskForResizePoint(int x, int y) {
		final int delta = dipToPixel(RESIZE_HANDLE_WIDTH_IN_DP, mDisplayMetrics);
		return mTmpTaskForResizePointSearchResult.process(mTaskContainers, x, y, delta);
		return mTmpTaskForResizePointSearchResult.process(getDefaultTaskDisplayArea(), x, y, delta);
		}

		void updateTouchExcludeRegion() {
		@@ -2512,8 +2472,9 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
		mTouchExcludeRegion.op(mTmpRegion, Region.Op.UNION);
		}
		amendWindowTapExcludeRegion(mTouchExcludeRegion);
		// TODO(multi-display): Support docked stacks on secondary displays.
		if (mDisplayId == DEFAULT_DISPLAY && mTaskContainers.isSplitScreenModeActivated()) {
		// TODO(multi-display): Support docked stacks on secondary displays & task containers.
		if (mDisplayId == DEFAULT_DISPLAY
		&& getDefaultTaskDisplayArea().isSplitScreenModeActivated()) {
		mDividerControllerLocked.getTouchRegion(mTmpRect);
		mTmpRegion.set(mTmpRect);
		mTouchExcludeRegion.op(mTmpRegion, Op.UNION);
		@@ -2908,20 +2869,22 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
		pw.println();

		// Dump stack references
		final ActivityStack homeStack = getRootHomeTask();
		final ActivityStack homeStack = getDefaultTaskDisplayArea().getRootHomeTask();
		if (homeStack != null) {
		pw.println(prefix + "homeStack=" + homeStack.getName());
		}
		final ActivityStack pinnedStack = getRootPinnedTask();
		final ActivityStack pinnedStack = getDefaultTaskDisplayArea().getRootPinnedTask();
		if (pinnedStack != null) {
		pw.println(prefix + "pinnedStack=" + pinnedStack.getName());
		}
		final ActivityStack splitScreenPrimaryStack = getRootSplitScreenPrimaryTask();
		final ActivityStack splitScreenPrimaryStack = getDefaultTaskDisplayArea()
		.getRootSplitScreenPrimaryTask();
		if (splitScreenPrimaryStack != null) {
		pw.println(prefix + "splitScreenPrimaryStack=" + splitScreenPrimaryStack.getName());
		}
		final ActivityStack recentsStack =
		getStack(WINDOWING_MODE_UNDEFINED, ACTIVITY_TYPE_RECENTS);
		// TODO: Support recents on non-default task containers
		final ActivityStack recentsStack = getDefaultTaskDisplayArea().getStack(
		WINDOWING_MODE_UNDEFINED, ACTIVITY_TYPE_RECENTS);
		if (recentsStack != null) {
		pw.println(prefix + "recentsStack=" + recentsStack.getName());
		}
		@@ -2955,12 +2918,6 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
		return "Display " + mDisplayId + " name=\"" + mDisplayInfo.name + "\"";
		}

		/** Returns true if the stack in the windowing mode is visible. */
		boolean isStackVisible(int windowingMode) {
		final ActivityStack stack = mTaskContainers.getTopStackInWindowingMode(windowingMode);
		return stack != null && stack.isVisible();
		}

		/** Find the visible, touch-deliverable window under the given point */
		WindowState getTouchableWinAtPointLocked(float xf, float yf) {
		final int x = (int) xf;
		@@ -4367,7 +4324,7 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
		// We skip IME windows so they're processed just above their target, except
		// in split-screen mode where we process the IME containers above the docked divider.
		return dc.mInputMethodTarget != null
		&& !dc.mTaskContainers.isSplitScreenModeActivated();
		&& !dc.getDefaultTaskDisplayArea().isSplitScreenModeActivated();
		}

		/** Like {@link #forAllWindows}, but ignores {@link #skipImeWindowsDuringTraversal} */
		@@ -5262,7 +5219,7 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
		// released (no more ActivityStack). But, we cannot release it at that moment or the
		// related WindowContainer will also be removed. So, we set display as removed after
		// reparenting stack finished.
		final DisplayContent toDisplay = mRootWindowContainer.getDefaultDisplay();
		final TaskDisplayArea toTaskDisplayArea = mRootWindowContainer.getDefaultTaskDisplayArea();
		mRootWindowContainer.mStackSupervisor.beginDeferResume();
		try {
		int numStacks = getStackCount();
		@@ -5276,10 +5233,10 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
		// If default display is in split-window mode, set windowing mode of the stack
		// to split-screen secondary. Otherwise, set the windowing mode to undefined by
		// default to let stack inherited the windowing mode from the new display.
		final int windowingMode = toDisplay.mTaskContainers.isSplitScreenModeActivated()
		final int windowingMode = toTaskDisplayArea.isSplitScreenModeActivated()
		? WINDOWING_MODE_SPLIT_SCREEN_SECONDARY
		: WINDOWING_MODE_UNDEFINED;
		stack.reparent(toDisplay, true /* onTop */);
		stack.reparent(toTaskDisplayArea, true /* onTop */);
		stack.setWindowingMode(windowingMode);
		lastReparentedStack = stack;
		}
		@@ -5392,34 +5349,6 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
		mSleeping = asleep;
		}

		/**
		* Adds a listener to be notified whenever the stack order in the display changes. Currently
		* only used by the {@link RecentsAnimation} to determine whether to interrupt and cancel the
		* current animation when the system state changes.
		*/
		void registerStackOrderChangedListener(OnStackOrderChangedListener listener) {
		if (!mStackOrderChangedCallbacks.contains(listener)) {
		mStackOrderChangedCallbacks.add(listener);
		}
		}

		/**
		* Removes a previously registered stack order change listener.
		*/
		void unregisterStackOrderChangedListener(OnStackOrderChangedListener listener) {
		mStackOrderChangedCallbacks.remove(listener);
		}

		/**
		* Notifies of a stack order change
		* @param stack The stack which triggered the order change
		*/
		void onStackOrderChanged(ActivityStack stack) {
		for (int i = mStackOrderChangedCallbacks.size() - 1; i >= 0; i--) {
		mStackOrderChangedCallbacks.get(i).onStackOrderChanged(stack);
		}
		}

		void setDisplayToSingleTaskInstance() {
		final int childCount = getStackCount();
		if (childCount > 1) {
		@@ -5447,22 +5376,6 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
		forAllTasks((t) -> { t.getStack().removeChild(t, "removeAllTasks"); });
		}

		/**
		* Callback for when the order of the stacks in the display changes.
		*/
		interface OnStackOrderChangedListener {
		void onStackOrderChanged(ActivityStack stack);
		}

		public void dumpStacks(PrintWriter pw) {
		for (int i = getStackCount() - 1; i >= 0; --i) {
		pw.print(getStackAt(i).getRootTaskId());
		if (i > 0) {
		pw.print(",");
		}
		}
		}

		/**
		* Similar to {@link RootWindowContainer#isAnyNonToastWindowVisibleForUid(int)}, but
		* used for pid.