Return to recents when coming from recents (84984faf) · Commits · e / os / android_frameworks_base

core/java/android/view/WindowManagerPolicy.java

+6 −0

Original line number	Diff line number	Diff line
		@@ -1153,6 +1153,12 @@ public interface WindowManagerPolicy {
		*/
		public void setLastInputMethodWindowLw(WindowState ime, WindowState target);

		/**
		* Show the recents task list app.
		* @hide
		*/
		public void showRecentApps();

		/**
		* @return The current height of the input method window.
		*/

policy/src/com/android/internal/policy/impl/PhoneWindowManager.java

+10 −0

Original line number	Diff line number	Diff line
		@@ -521,6 +521,7 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		private static final int MSG_KEYGUARD_DRAWN_TIMEOUT = 6;
		private static final int MSG_WINDOW_MANAGER_DRAWN_COMPLETE = 7;
		private static final int MSG_WAKING_UP = 8;
		private static final int MSG_DISPATCH_SHOW_RECENTS = 9;

		private class PolicyHandler extends Handler {
		@Override
		@@ -538,6 +539,9 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
		dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
		break;
		case MSG_DISPATCH_SHOW_RECENTS:
		showRecentApps(false);
		break;
		case MSG_KEYGUARD_DRAWN_COMPLETE:
		if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mKeyguardDrawComplete");
		mKeyguardDrawComplete = true;
		@@ -2589,6 +2593,12 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		}
		}

		@Override
		public void showRecentApps() {
		mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
		mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_RECENTS);
		}

		private void showRecentApps(boolean triggeredFromAltTab) {
		mPreloadedRecentApps = false; // preloading no longer needs to be canceled
		try {

services/core/java/com/android/server/am/ActivityManagerService.java

+7 −1

Original line number	Diff line number	Diff line
		@@ -7230,7 +7230,7 @@ public final class ActivityManagerService extends ActivityManagerNative
		// Compose the recent task info
		ActivityManager.RecentTaskInfo rti
		= new ActivityManager.RecentTaskInfo();
		rti.id = tr.mActivities.isEmpty() ? -1 : tr.taskId;
		rti.id = tr.getTopActivity() == null ? -1 : tr.taskId;
		rti.persistentId = tr.taskId;
		rti.baseIntent = new Intent(tr.getBaseIntent());
		rti.origActivity = tr.origActivity;
		@@ -7297,6 +7297,12 @@ public final class ActivityManagerService extends ActivityManagerNative
		continue;
		}
		}
		if (tr.intent != null &&
		(tr.intent.getFlags() & Intent.FLAG_ACTIVITY_AUTO_REMOVE_FROM_RECENTS)
		!= 0 && tr.getTopActivity() == null) {
		// Don't include auto remove tasks that are finished or finishing.
		continue;
		}

		ActivityManager.RecentTaskInfo rti = createRecentTaskInfoFromTaskRecord(tr);
		if (!detailed) {

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

+46 −25

Original line number	Diff line number	Diff line
		@@ -30,6 +30,10 @@ import static com.android.server.am.ActivityManagerService.DEBUG_USER_LEAVING;
		import static com.android.server.am.ActivityManagerService.DEBUG_VISBILITY;
		import static com.android.server.am.ActivityManagerService.VALIDATE_TOKENS;

		import static com.android.server.am.ActivityRecord.HOME_ACTIVITY_TYPE;
		import static com.android.server.am.ActivityRecord.APPLICATION_ACTIVITY_TYPE;
		import static com.android.server.am.ActivityRecord.RECENTS_ACTIVITY_TYPE;

		import static com.android.server.am.ActivityStackSupervisor.DEBUG_ADD_REMOVE;
		import static com.android.server.am.ActivityStackSupervisor.DEBUG_APP;
		import static com.android.server.am.ActivityStackSupervisor.DEBUG_CONTAINERS;
		@@ -1095,7 +1099,8 @@ final class ActivityStack {
		for (int i = mStacks.indexOf(this) + 1; i < mStacks.size(); i++) {
		final ArrayList<TaskRecord> tasks = mStacks.get(i).getAllTasks();
		for (int taskNdx = 0; taskNdx < tasks.size(); taskNdx++) {
		final ArrayList<ActivityRecord> activities = tasks.get(taskNdx).mActivities;
		final TaskRecord task = tasks.get(taskNdx);
		final ArrayList<ActivityRecord> activities = task.mActivities;
		for (int activityNdx = 0; activityNdx < activities.size(); activityNdx++) {
		final ActivityRecord r = activities.get(activityNdx);

		@@ -1106,7 +1111,7 @@ final class ActivityStack {
		// - Full Screen Activity OR
		// - On top of Home and our stack is NOT home
		if (!r.finishing && r.visible && (r.fullscreen \|\|
		(!isHomeStack() && r.frontOfTask && tasks.get(taskNdx).mOnTopOfHome))) {
		(!isHomeStack() && r.frontOfTask && task.isOverHomeStack()))) {
		return false;
		}
		}
		@@ -1234,7 +1239,7 @@ final class ActivityStack {
		// At this point, nothing else needs to be shown
		if (DEBUG_VISBILITY) Slog.v(TAG, "Fullscreen: at " + r);
		behindFullscreen = true;
		} else if (!isHomeStack() && r.frontOfTask && task.mOnTopOfHome) {
		} else if (!isHomeStack() && r.frontOfTask && task.isOverHomeStack()) {
		if (DEBUG_VISBILITY) Slog.v(TAG, "Showing home: at " + r);
		behindFullscreen = true;
		}
		@@ -1388,6 +1393,7 @@ final class ActivityStack {
		final boolean userLeaving = mStackSupervisor.mUserLeaving;
		mStackSupervisor.mUserLeaving = false;

		final TaskRecord prevTask = prev != null ? prev.task : null;
		if (next == null) {
		// There are no more activities! Let's just start up the
		// Launcher...
		@@ -1395,7 +1401,10 @@ final class ActivityStack {
		if (DEBUG_STATES) Slog.d(TAG, "resumeTopActivityLocked: No more activities go home");
		if (DEBUG_STACK) mStackSupervisor.validateTopActivitiesLocked();
		// Only resume home if on home display
		return isOnHomeDisplay() && mStackSupervisor.resumeHomeActivity(prev);
		final int returnTaskType = prevTask == null \|\| !prevTask.isOverHomeStack() ?
		HOME_ACTIVITY_TYPE : prevTask.getTaskToReturnTo();
		return isOnHomeDisplay() &&
		mStackSupervisor.resumeHomeStackTask(returnTaskType, prev);
		}

		next.delayedResume = false;
		@@ -1414,23 +1423,28 @@ final class ActivityStack {
		}

		final TaskRecord nextTask = next.task;
		final TaskRecord prevTask = prev != null ? prev.task : null;
		if (prevTask != null && prevTask.stack == this &&
		prevTask.mOnTopOfHome && prev.finishing && prev.frontOfTask) {
		prevTask.isOverHomeStack() && prev.finishing && prev.frontOfTask) {
		if (DEBUG_STACK) mStackSupervisor.validateTopActivitiesLocked();
		if (prevTask == nextTask) {
		prevTask.setFrontOfTask();
		} else if (prevTask != topTask()) {
		// This task is going away but it was supposed to return to the home task.
		// This task is going away but it was supposed to return to the home stack.
		// Now the task above it has to return to the home task instead.
		final int taskNdx = mTaskHistory.indexOf(prevTask) + 1;
		mTaskHistory.get(taskNdx).mOnTopOfHome = true;
		mTaskHistory.get(taskNdx).setTaskToReturnTo(HOME_ACTIVITY_TYPE);
		} else {
		if (DEBUG_STATES && isOnHomeDisplay()) Slog.d(TAG,
		"resumeTopActivityLocked: Launching home next");
		// Only resume home if on home display
		return isOnHomeDisplay() && mStackSupervisor.resumeHomeActivity(prev);
		final int returnTaskType = prevTask == null \|\| !prevTask.isOverHomeStack() ?
		HOME_ACTIVITY_TYPE : prevTask.getTaskToReturnTo();
		return isOnHomeDisplay() &&
		mStackSupervisor.resumeHomeStackTask(returnTaskType, prev);
		}
		}
		if (prev != null && prev.isRecentsActivity()) {
		nextTask.setTaskToReturnTo(RECENTS_ACTIVITY_TYPE);
		}

		// If we are sleeping, and there is no resumed activity, and the top
		@@ -1800,10 +1814,11 @@ final class ActivityStack {
		ActivityStack lastStack = mStackSupervisor.getLastStack();
		final boolean fromHome = lastStack.isHomeStack();
		if (!isHomeStack() && (fromHome \|\| topTask() != task)) {
		task.mOnTopOfHome = fromHome;
		task.setTaskToReturnTo(fromHome ?
		lastStack.topTask().taskType : APPLICATION_ACTIVITY_TYPE);
		}
		} else {
		task.mOnTopOfHome = false;
		task.setTaskToReturnTo(APPLICATION_ACTIVITY_TYPE);
		}

		mTaskHistory.remove(task);
		@@ -2350,8 +2365,8 @@ final class ActivityStack {
		ActivityRecord next = topRunningActivityLocked(null);
		if (next != r) {
		final TaskRecord task = r.task;
		if (r.frontOfTask && task == topTask() && task.mOnTopOfHome) {
		mStackSupervisor.moveHomeToTop();
		if (r.frontOfTask && task == topTask() && task.isOverHomeStack()) {
		mStackSupervisor.moveHomeStackTaskToTop(task.getTaskToReturnTo());
		}
		}
		ActivityRecord top = mStackSupervisor.topRunningActivityLocked();
		@@ -2843,8 +2858,9 @@ final class ActivityStack {
		if (task != null && task.removeActivity(r)) {
		if (DEBUG_STACK) Slog.i(TAG,
		"removeActivityFromHistoryLocked: last activity removed from " + this);
		if (mStackSupervisor.isFrontStack(this) && task == topTask() && task.mOnTopOfHome) {
		mStackSupervisor.moveHomeToTop();
		if (mStackSupervisor.isFrontStack(this) && task == topTask() &&
		task.isOverHomeStack()) {
		mStackSupervisor.moveHomeStackTaskToTop(task.getTaskToReturnTo());
		}
		removeTask(task);
		}
		@@ -3160,12 +3176,13 @@ final class ActivityStack {
		}
		}

		void moveHomeTaskToTop() {
		void moveHomeStackTaskToTop(int homeStackTaskType) {
		final int top = mTaskHistory.size() - 1;
		for (int taskNdx = top; taskNdx >= 0; --taskNdx) {
		final TaskRecord task = mTaskHistory.get(taskNdx);
		if (task.isHomeTask()) {
		if (DEBUG_TASKS \|\| DEBUG_STACK) Slog.d(TAG, "moveHomeTaskToTop: moving " + task);
		if (task.taskType == homeStackTaskType) {
		if (DEBUG_TASKS \|\| DEBUG_STACK)
		Slog.d(TAG, "moveHomeStackTaskToTop: moving " + task);
		mTaskHistory.remove(taskNdx);
		mTaskHistory.add(top, task);
		updateTaskMovement(task, true);
		@@ -3277,12 +3294,12 @@ final class ActivityStack {
		int numTasks = mTaskHistory.size();
		for (int taskNdx = numTasks - 1; taskNdx >= 1; --taskNdx) {
		final TaskRecord task = mTaskHistory.get(taskNdx);
		if (task.mOnTopOfHome) {
		if (task.isOverHomeStack()) {
		break;
		}
		if (taskNdx == 1) {
		// Set the last task before tr to go to home.
		task.mOnTopOfHome = true;
		task.setTaskToReturnTo(HOME_ACTIVITY_TYPE);
		}
		}

		@@ -3303,9 +3320,10 @@ final class ActivityStack {
		}

		final TaskRecord task = mResumedActivity != null ? mResumedActivity.task : null;
		if (task == tr && tr.mOnTopOfHome \|\| numTasks <= 1 && isOnHomeDisplay()) {
		tr.mOnTopOfHome = false;
		return mStackSupervisor.resumeHomeActivity(null);
		if (task == tr && tr.isOverHomeStack() \|\| numTasks <= 1 && isOnHomeDisplay()) {
		final int taskToReturnTo = tr.getTaskToReturnTo();
		tr.setTaskToReturnTo(APPLICATION_ACTIVITY_TYPE);
		return mStackSupervisor.resumeHomeStackTask(taskToReturnTo, null);
		}

		mStackSupervisor.resumeTopActivitiesLocked();
		@@ -3746,8 +3764,11 @@ final class ActivityStack {

		final int taskNdx = mTaskHistory.indexOf(task);
		final int topTaskNdx = mTaskHistory.size() - 1;
		if (task.mOnTopOfHome && taskNdx < topTaskNdx) {
		mTaskHistory.get(taskNdx + 1).mOnTopOfHome = true;
		if (task.isOverHomeStack() && taskNdx < topTaskNdx) {
		final TaskRecord nextTask = mTaskHistory.get(taskNdx + 1);
		if (!nextTask.isOverHomeStack()) {
		nextTask.setTaskToReturnTo(HOME_ACTIVITY_TYPE);
		}
		}
		mTaskHistory.remove(task);
		updateTaskMovement(task, true);

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

+24 −11

Original line number	Diff line number	Diff line
		@@ -31,6 +31,9 @@ import static com.android.server.am.ActivityManagerService.DEBUG_TASKS;
		import static com.android.server.am.ActivityManagerService.DEBUG_USER_LEAVING;
		import static com.android.server.am.ActivityManagerService.FIRST_SUPERVISOR_STACK_MSG;
		import static com.android.server.am.ActivityManagerService.TAG;
		import static com.android.server.am.ActivityRecord.HOME_ACTIVITY_TYPE;
		import static com.android.server.am.ActivityRecord.RECENTS_ACTIVITY_TYPE;
		import static com.android.server.am.ActivityRecord.APPLICATION_ACTIVITY_TYPE;

		import android.app.Activity;
		import android.app.ActivityManager;
		@@ -382,17 +385,27 @@ public final class ActivityStackSupervisor implements DisplayListener {
		}
		}

		void moveHomeToTop() {
		void moveHomeStackTaskToTop(int homeStackTaskType) {
		if (homeStackTaskType == RECENTS_ACTIVITY_TYPE) {
		mWindowManager.showRecentApps();
		return;
		}
		moveHomeStack(true);
		mHomeStack.moveHomeTaskToTop();
		mHomeStack.moveHomeStackTaskToTop(homeStackTaskType);
		}

		boolean resumeHomeActivity(ActivityRecord prev) {
		moveHomeToTop();
		boolean resumeHomeStackTask(int homeStackTaskType, ActivityRecord prev) {
		if (homeStackTaskType == RECENTS_ACTIVITY_TYPE) {
		mWindowManager.showRecentApps();
		return false;
		}
		moveHomeStackTaskToTop(homeStackTaskType);
		if (prev != null) {
		prev.task.mOnTopOfHome = false;
		prev.task.setTaskToReturnTo(APPLICATION_ACTIVITY_TYPE);
		}

		ActivityRecord r = mHomeStack.topRunningActivityLocked(null);
		// if (r != null && (r.isHomeActivity() \|\| r.isRecentsActivity())) {
		if (r != null && r.isHomeActivity()) {
		mService.setFocusedActivityLocked(r);
		return resumeTopActivitiesLocked(mHomeStack, prev, null);
		@@ -747,7 +760,7 @@ public final class ActivityStackSupervisor implements DisplayListener {
		}

		void startHomeActivity(Intent intent, ActivityInfo aInfo) {
		moveHomeToTop();
		moveHomeStackTaskToTop(HOME_ACTIVITY_TYPE);
		startActivityLocked(null, intent, null, aInfo, null, null, null, null, 0, 0, 0, null, 0,
		null, false, null, null);
		}
		@@ -1697,7 +1710,7 @@ public final class ActivityStackSupervisor implements DisplayListener {
		(FLAG_ACTIVITY_NEW_TASK \| FLAG_ACTIVITY_TASK_ON_HOME))
		== (FLAG_ACTIVITY_NEW_TASK \| FLAG_ACTIVITY_TASK_ON_HOME)) {
		// Caller wants to appear on home activity.
		intentActivity.task.mOnTopOfHome = true;
		intentActivity.task.setTaskToReturnTo(HOME_ACTIVITY_TYPE);
		}
		options = null;
		}
		@@ -1893,7 +1906,7 @@ public final class ActivityStackSupervisor implements DisplayListener {
		== (Intent.FLAG_ACTIVITY_NEW_TASK\|Intent.FLAG_ACTIVITY_TASK_ON_HOME)) {
		// Caller wants to appear on home activity, so before starting
		// their own activity we will bring home to the front.
		r.task.mOnTopOfHome = r.task.stack.isOnHomeDisplay();
		r.task.setTaskToReturnTo(HOME_ACTIVITY_TYPE);
		}
		}
		} else if (sourceRecord != null) {
		@@ -2244,7 +2257,7 @@ public final class ActivityStackSupervisor implements DisplayListener {
		if ((flags & ActivityManager.MOVE_TASK_WITH_HOME) != 0) {
		// Caller wants the home activity moved with it. To accomplish this,
		// we'll just indicate that this task returns to the home task.
		task.mOnTopOfHome = true;
		task.setTaskToReturnTo(HOME_ACTIVITY_TYPE);
		}
		task.stack.moveTaskToFrontLocked(task, null, options);
		if (DEBUG_STACK) Slog.d(TAG, "findTaskToMoveToFront: moved to front of stack="
		@@ -2356,7 +2369,7 @@ public final class ActivityStackSupervisor implements DisplayListener {
		}
		mWindowManager.addTask(taskId, stackId, false);
		}
		resumeHomeActivity(null);
		resumeHomeStackTask(HOME_ACTIVITY_TYPE, null);
		}

		void moveTaskToStack(int taskId, int stackId, boolean toTop) {
		@@ -2618,7 +2631,7 @@ public final class ActivityStackSupervisor implements DisplayListener {
		}
		} else {
		// Stack was moved to another display while user was swapped out.
		resumeHomeActivity(null);
		resumeHomeStackTask(HOME_ACTIVITY_TYPE, null);
		}
		return homeInFront;
		}