Merge "Merge "Track recents like home for times when it is separated" into... (fc79d5a6) · Commits · e / os / android_frameworks_base

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

+22 −0

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@
		package com.android.server.wm;

		import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME;
		import static android.app.WindowConfiguration.ACTIVITY_TYPE_RECENTS;
		import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
		import static android.app.WindowConfiguration.ACTIVITY_TYPE_UNDEFINED;
		import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
		@@ -99,6 +100,9 @@ final class TaskDisplayArea extends DisplayArea<ActivityStack> {
		private ActivityStack mRootPinnedTask;
		private ActivityStack mRootSplitScreenPrimaryTask;

		// TODO(b/159029784): Remove when getStack() behavior is cleaned-up
		private ActivityStack mRootRecentsTask;

		private final ArrayList<ActivityStack> mTmpAlwaysOnTopStacks = new ArrayList<>();
		private final ArrayList<ActivityStack> mTmpNormalStacks = new ArrayList<>();
		private final ArrayList<ActivityStack> mTmpHomeStacks = new ArrayList<>();
		@@ -163,6 +167,8 @@ final class TaskDisplayArea extends DisplayArea<ActivityStack> {
		ActivityStack getStack(int windowingMode, int activityType) {
		if (activityType == ACTIVITY_TYPE_HOME) {
		return mRootHomeTask;
		} else if (activityType == ACTIVITY_TYPE_RECENTS) {
		return mRootRecentsTask;
		}
		if (windowingMode == WINDOWING_MODE_PINNED) {
		return mRootPinnedTask;
		@@ -199,6 +205,10 @@ final class TaskDisplayArea extends DisplayArea<ActivityStack> {
		return mRootHomeTask;
		}

		@Nullable ActivityStack getRootRecentsTask() {
		return mRootRecentsTask;
		}

		ActivityStack getRootPinnedTask() {
		return mRootPinnedTask;
		}
		@@ -246,6 +256,16 @@ final class TaskDisplayArea extends DisplayArea<ActivityStack> {
		} else {
		mRootHomeTask = stack;
		}
		} else if (stack.isActivityTypeRecents()) {
		if (mRootRecentsTask != null) {
		if (!stack.isDescendantOf(mRootRecentsTask)) {
		throw new IllegalArgumentException("addStackReferenceIfNeeded: recents stack="
		+ mRootRecentsTask + " already exist on display=" + this
		+ " stack=" + stack);
		}
		} else {
		mRootRecentsTask = stack;
		}
		}

		if (!stack.isRootTask()) {
		@@ -273,6 +293,8 @@ final class TaskDisplayArea extends DisplayArea<ActivityStack> {
		void removeStackReferenceIfNeeded(ActivityStack stack) {
		if (stack == mRootHomeTask) {
		mRootHomeTask = null;
		} else if (stack == mRootRecentsTask) {
		mRootRecentsTask = null;
		} else if (stack == mRootPinnedTask) {
		mRootPinnedTask = null;
		} else if (stack == mRootSplitScreenPrimaryTask) {