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am 170a678c: am 1d893785: Merge "Don\'t restore persistent task to a stack until needed." into lmp-mr1-dev

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* commit '170a678cd2b7073edd061765dabd4a754f562e60':
  Don't restore persistent task to a stack until needed.
This commit is contained in:
Wale Ogunwale
2015-01-05 22:12:28 +00:00
committed by Android Git Automerger
parent 74882cb0e3 170a678cd2
commit b8e51390af
2 changed files with 67 additions and 36 deletions
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26
services/core/java/com/android/server/am/ActivityManagerService.java
View File

@@ -8182,17 +8182,7 @@ public final class ActivityManagerService extends ActivityManagerNative
}
}
private TaskRecord taskForIdLocked(int id) {
final TaskRecord task = recentTaskForIdLocked(id);
if (task != null) {
return task;
}
// Don't give up. Sometimes it just hasn't made it to recents yet.
return mStackSupervisor.anyTaskForIdLocked(id);
}
private TaskRecord recentTaskForIdLocked(int id) {
TaskRecord recentTaskForIdLocked(int id) {
final int N = mRecentTasks.size();
for (int i=0; i<N; i++) {
TaskRecord tr = mRecentTasks.get(i);
@@ -8208,7 +8198,7 @@ public final class ActivityManagerService extends ActivityManagerNative
synchronized (this) {
enforceCallingPermission(android.Manifest.permission.READ_FRAME_BUFFER,
"getTaskThumbnail()");
TaskRecord tr = recentTaskForIdLocked(id);
TaskRecord tr = mStackSupervisor.anyTaskForIdLocked(id);
if (tr != null) {
return tr.getTaskThumbnailLocked();
}
@@ -8453,7 +8443,7 @@ public final class ActivityManagerService extends ActivityManagerNative
* @return Returns true if the given task was found and removed.
*/
private boolean removeTaskByIdLocked(int taskId, boolean killProcess) {
TaskRecord tr = taskForIdLocked(taskId);
TaskRecord tr = mStackSupervisor.anyTaskForIdLocked(taskId);
if (tr != null) {
tr.removeTaskActivitiesLocked();
cleanUpRemovedTaskLocked(tr, killProcess);
@@ -8529,7 +8519,7 @@ public final class ActivityManagerService extends ActivityManagerNative
"moveTaskToBack()");
synchronized(this) {
TaskRecord tr = taskForIdLocked(taskId);
TaskRecord tr = mStackSupervisor.anyTaskForIdLocked(taskId);
if (tr != null) {
if (tr == mStackSupervisor.mLockTaskModeTask) {
mStackSupervisor.showLockTaskToast();
@@ -8721,7 +8711,7 @@ public final class ActivityManagerService extends ActivityManagerNative
long ident = Binder.clearCallingIdentity();
try {
synchronized (this) {
TaskRecord tr = taskForIdLocked(taskId);
TaskRecord tr = mStackSupervisor.anyTaskForIdLocked(taskId);
return tr != null && tr.stack != null && tr.stack.isHomeStack();
}
} finally {
@@ -11178,9 +11168,6 @@ public final class ActivityManagerService extends ActivityManagerNative
if (mRecentTasks == null) {
mRecentTasks = mTaskPersister.restoreTasksLocked();
mTaskPersister.restoreTasksFromOtherDeviceLocked();
if (!mRecentTasks.isEmpty()) {
mStackSupervisor.createStackForRestoredTaskHistory(mRecentTasks);
}
cleanupRecentTasksLocked(UserHandle.USER_ALL);
mTaskPersister.startPersisting();
}
@@ -11197,8 +11184,7 @@ public final class ActivityManagerService extends ActivityManagerNative
mDidUpdate = true;
}
writeLastDonePreBootReceivers(doneReceivers);
showBootMessage(mContext.getText(
R.string.android_upgrading_complete),
showBootMessage(mContext.getText(R.string.android_upgrading_complete),
false);
systemReady(goingCallback);
}

77
services/core/java/com/android/server/am/ActivityStackSupervisor.java
View File

@@ -24,6 +24,7 @@ import static com.android.server.am.ActivityManagerService.localLOGV;
import static com.android.server.am.ActivityManagerService.DEBUG_CONFIGURATION;
import static com.android.server.am.ActivityManagerService.DEBUG_FOCUS;
import static com.android.server.am.ActivityManagerService.DEBUG_PAUSE;
import static com.android.server.am.ActivityManagerService.DEBUG_RECENTS;
import static com.android.server.am.ActivityManagerService.DEBUG_RESULTS;
import static com.android.server.am.ActivityManagerService.DEBUG_STACK;
import static com.android.server.am.ActivityManagerService.DEBUG_SWITCH;
@@ -460,7 +461,21 @@ public final class ActivityStackSupervisor implements DisplayListener {
}
}
}
return null;
// Don't give up! Look in recents.
if (DEBUG_RECENTS) Slog.v(TAG, "Looking for task id=" + id + " in recents");
TaskRecord task = mService.recentTaskForIdLocked(id);
if (task == null) {
if (DEBUG_RECENTS) Slog.d(TAG, "\tDidn't find task id=" + id + " in recents");
return null;
}
if (!restoreRecentTaskLocked(task)) {
if (DEBUG_RECENTS) Slog.w(TAG, "Couldn't restore task id=" + id + " found in recents");
return null;
}
if (DEBUG_RECENTS) Slog.w(TAG, "Restored task id=" + id + " from in recents");
return task;
}
ActivityRecord isInAnyStackLocked(IBinder token) {
@@ -2586,23 +2601,53 @@ public final class ActivityStackSupervisor implements DisplayListener {
return mLastStackId;
}
void createStackForRestoredTaskHistory(ArrayList<TaskRecord> tasks) {
int stackId = createStackOnDisplay(getNextStackId(), Display.DEFAULT_DISPLAY);
final ActivityStack stack = getStack(stackId);
for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) {
final TaskRecord task = tasks.get(taskNdx);
stack.addTask(task, false, false);
final int taskId = task.taskId;
final ArrayList<ActivityRecord> activities = task.mActivities;
for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
final ActivityRecord r = activities.get(activityNdx);
mWindowManager.addAppToken(0, r.appToken, taskId, stackId,
r.info.screenOrientation, r.fullscreen,
(r.info.flags & ActivityInfo.FLAG_SHOW_ON_LOCK_SCREEN) != 0,
r.userId, r.info.configChanges, task.voiceSession != null,
r.mLaunchTaskBehind);
private boolean restoreRecentTaskLocked(TaskRecord task) {
ActivityStack stack = null;
// Determine stack to restore task to.
if (mLeanbackOnlyDevice) {
// There is only one stack for lean back devices.
stack = mHomeStack;
} else {
// Look for the top stack on the home display that isn't the home stack.
final ArrayList<ActivityStack> homeDisplayStacks = mHomeStack.mStacks;
for (int stackNdx = homeDisplayStacks.size() - 1; stackNdx >= 0; --stackNdx) {
final ActivityStack tmpStack = homeDisplayStacks.get(stackNdx);
if (!tmpStack.isHomeStack()) {
stack = tmpStack;
break;
}
}
}
if (stack == null) {
// We couldn't find a stack to restore the task to. Possible if are restoring recents
// before an application stack is created...Go ahead and create one on the default
// display.
stack = getStack(createStackOnDisplay(getNextStackId(), Display.DEFAULT_DISPLAY));
if (DEBUG_RECENTS)
Slog.v(TAG, "Created stack=" + stack + " for recents restoration.");
}
if (stack == null) {
// What does this mean??? Not sure how we would get here...
if (DEBUG_RECENTS)
Slog.v(TAG, "Unable to find/create stack to restore recent task=" + task);
return false;
}
stack.addTask(task, false, false);
if (DEBUG_RECENTS)
Slog.v(TAG, "Added restored task=" + task + " to stack=" + stack);
final ArrayList<ActivityRecord> activities = task.mActivities;
for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
final ActivityRecord r = activities.get(activityNdx);
mWindowManager.addAppToken(0, r.appToken, task.taskId, stack.mStackId,
r.info.screenOrientation, r.fullscreen,
(r.info.flags & ActivityInfo.FLAG_SHOW_ON_LOCK_SCREEN) != 0,
r.userId, r.info.configChanges, task.voiceSession != null,
r.mLaunchTaskBehind);
}
return true;
}
void moveTaskToStack(int taskId, int stackId, boolean toTop) {