am fed0196b: Merge "Lock top task if whitelisting arrives after start." into mnc-dev (b6291689) · Commits · e / os / android_frameworks_base

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

+2 −0

Original line number	Diff line number	Diff line
		@@ -51,6 +51,7 @@ class ActivityManagerDebugConfig {
		static final boolean DEBUG_FOCUS = false;
		static final boolean DEBUG_IMMERSIVE = DEBUG_ALL \|\| false;
		static final boolean DEBUG_LOCKSCREEN = DEBUG_ALL \|\| false;
		static final boolean DEBUG_LOCKTASK = DEBUG_ALL \|\| false;
		static final boolean DEBUG_LRU = DEBUG_ALL \|\| false;
		static final boolean DEBUG_MU = DEBUG_ALL \|\| false;
		static final boolean DEBUG_OOM_ADJ = DEBUG_ALL \|\| false;
		@@ -82,6 +83,7 @@ class ActivityManagerDebugConfig {
		static final String POSTFIX_FOCUS = (APPEND_CATEGORY_NAME) ? "_Focus" : "";
		static final String POSTFIX_IMMERSIVE = (APPEND_CATEGORY_NAME) ? "_Immersive" : "";
		static final String POSTFIX_LOCKSCREEN = (APPEND_CATEGORY_NAME) ? "_LOCKSCREEN" : "";
		static final String POSTFIX_LOCKTASK = (APPEND_CATEGORY_NAME) ? "_LOCKTASK" : "";
		static final String POSTFIX_LRU = (APPEND_CATEGORY_NAME) ? "_LRU" : "";
		static final String POSTFIX_MU = "_MU";
		static final String POSTFIX_OOM_ADJ = (APPEND_CATEGORY_NAME) ? "_OomAdj" : "";

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

+6 −0

Original line number	Diff line number	Diff line
		@@ -265,6 +265,7 @@ public final class ActivityManagerService extends ActivityManagerNative
		private static final String TAG_FOCUS = TAG + POSTFIX_FOCUS;
		private static final String TAG_IMMERSIVE = TAG + POSTFIX_IMMERSIVE;
		private static final String TAG_LOCKSCREEN = TAG + POSTFIX_LOCKSCREEN;
		private static final String TAG_LOCKTASK = TAG + POSTFIX_LOCKTASK;
		private static final String TAG_LRU = TAG + POSTFIX_LRU;
		private static final String TAG_MU = TAG + POSTFIX_MU;
		private static final String TAG_OOM_ADJ = TAG + POSTFIX_OOM_ADJ;
		@@ -8762,6 +8763,7 @@ public final class ActivityManagerService extends ActivityManagerNative
		throw new SecurityException("updateLockTaskPackage called from non-system process");
		}
		synchronized (this) {
		if (DEBUG_LOCKTASK) Slog.w(TAG_LOCKTASK, "Whitelisting " + userId + ":" + packages);
		mLockTaskPackages.put(userId, packages);
		mStackSupervisor.onLockTaskPackagesUpdatedLocked();
		}
		@@ -8769,6 +8771,7 @@ public final class ActivityManagerService extends ActivityManagerNative


		void startLockTaskModeLocked(TaskRecord task) {
		if (DEBUG_LOCKTASK) Slog.w(TAG_LOCKTASK, "startLockTaskModeLocked: " + task);
		if (task.mLockTaskAuth == LOCK_TASK_AUTH_DONT_LOCK) {
		return;
		}
		@@ -8785,6 +8788,7 @@ public final class ActivityManagerService extends ActivityManagerNative
		task.mLockTaskUid = callingUid;
		if (task.mLockTaskAuth == LOCK_TASK_AUTH_PINNABLE) {
		// startLockTask() called by app and task mode is lockTaskModeDefault.
		if (DEBUG_LOCKTASK) Slog.w(TAG_LOCKTASK, "Mode default, asking user");
		StatusBarManagerInternal statusBarManager =
		LocalServices.getService(StatusBarManagerInternal.class);
		if (statusBarManager != null) {
		@@ -8797,6 +8801,8 @@ public final class ActivityManagerService extends ActivityManagerNative
		throw new IllegalArgumentException("Invalid task, not in foreground");
		}
		}
		if (DEBUG_LOCKTASK) Slog.w(TAG_LOCKTASK, isSystemInitiated ? "Locking pinned" :
		"Locking fully");
		mStackSupervisor.setLockTaskModeLocked(task, isSystemInitiated ?
		ActivityManager.LOCK_TASK_MODE_PINNED :
		ActivityManager.LOCK_TASK_MODE_LOCKED,

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

+43 −3

Original line number	Diff line number	Diff line
		@@ -117,6 +117,7 @@ import java.io.FileDescriptor;
		import java.io.IOException;
		import java.io.PrintWriter;
		import java.util.ArrayList;
		import java.util.Arrays;
		import java.util.List;
		import java.util.Set;

		@@ -124,6 +125,7 @@ public final class ActivityStackSupervisor implements DisplayListener {
		private static final String TAG = TAG_WITH_CLASS_NAME ? "ActivityStackSupervisor" : TAG_AM;
		private static final String TAG_CONFIGURATION = TAG + POSTFIX_CONFIGURATION;
		private static final String TAG_FOCUS = TAG + POSTFIX_FOCUS;
		private static final String TAG_LOCKTASK = TAG + POSTFIX_LOCKTASK;
		private static final String TAG_PAUSE = TAG + POSTFIX_PAUSE;
		private static final String TAG_RESULTS = TAG + POSTFIX_RESULTS;
		private static final String TAG_RECENTS = TAG + POSTFIX_RECENTS;
		@@ -1183,7 +1185,7 @@ public final class ActivityStackSupervisor implements DisplayListener {

		final TaskRecord task = r.task;
		if (task.mLockTaskAuth == LOCK_TASK_AUTH_LAUNCHABLE) {
		setLockTaskModeLocked(task, LOCK_TASK_MODE_LOCKED, "lockTaskLaunchMode attribute");
		setLockTaskModeLocked(task, LOCK_TASK_MODE_LOCKED, "mLockTaskAuth==LAUNCHABLE");
		}

		final ActivityStack stack = task.stack;
		@@ -3327,6 +3329,18 @@ public final class ActivityStackSupervisor implements DisplayListener {
		}
		}

		private String lockTaskModeToString() {
		switch (mLockTaskModeState) {
		case LOCK_TASK_MODE_LOCKED:
		return "LOCKED";
		case LOCK_TASK_MODE_PINNED:
		return "PINNED";
		case LOCK_TASK_MODE_NONE:
		return "NONE";
		default: return "unknown=" + mLockTaskModeState;
		}
		}

		public void dump(PrintWriter pw, String prefix) {
		pw.print(prefix); pw.print("mFocusedStack=" + mFocusedStack);
		pw.print(" mLastFocusedStack="); pw.println(mLastFocusedStack);
		@@ -3334,7 +3348,16 @@ public final class ActivityStackSupervisor implements DisplayListener {
		pw.print(prefix); pw.println("mCurTaskId=" + mCurTaskId);
		pw.print(prefix); pw.println("mUserStackInFront=" + mUserStackInFront);
		pw.print(prefix); pw.println("mActivityContainers=" + mActivityContainers);
		pw.print(prefix); pw.println("mLockTaskModeTasks" + mLockTaskModeTasks);
		pw.print(prefix); pw.print("mLockTaskModeState=" + lockTaskModeToString());
		final SparseArray<String[]> packages = mService.mLockTaskPackages;
		if (packages.size() > 0) {
		pw.println(" mLockTaskPackages (userId:packages)=");
		for (int i = 0; i < packages.size(); ++i) {
		pw.print(prefix); pw.print(prefix); pw.print(packages.keyAt(i));
		pw.print(":"); pw.println(Arrays.toString(packages.valueAt(i)));
		}
		}
		pw.println(" mLockTaskModeTasks" + mLockTaskModeTasks);
		}

		ArrayList<ActivityRecord> getDumpActivitiesLocked(String name) {
		@@ -3654,6 +3677,8 @@ public final class ActivityStackSupervisor implements DisplayListener {
		void removeLockedTaskLocked(final TaskRecord task) {
		if (mLockTaskModeTasks.remove(task) && mLockTaskModeTasks.isEmpty()) {
		// Last one.
		if (DEBUG_LOCKTASK) Slog.d(TAG_LOCKTASK, "removeLockedTask: task=" + task +
		" last task, reverting locktask mode. Callers=" + Debug.getCallers(3));
		final Message lockTaskMsg = Message.obtain();
		lockTaskMsg.arg1 = task.userId;
		lockTaskMsg.what = LOCK_TASK_END_MSG;
		@@ -3679,20 +3704,26 @@ public final class ActivityStackSupervisor implements DisplayListener {
		removeLockedTaskLocked(lockedTask);
		if (!mLockTaskModeTasks.isEmpty()) {
		// There are locked tasks remaining, can only finish this task, not unlock it.
		if (DEBUG_LOCKTASK) Slog.w(TAG_LOCKTASK,
		"setLockTaskModeLocked: Tasks remaining, can't unlock");
		lockedTask.performClearTaskLocked();
		resumeTopActivitiesLocked();
		return;
		}
		}
		if (DEBUG_LOCKTASK) Slog.w(TAG_LOCKTASK,
		"setLockTaskModeLocked: No tasks to unlock. Callers=" + Debug.getCallers(4));
		return;
		}

		// Should have already been checked, but do it again.
		if (task.mLockTaskAuth == LOCK_TASK_AUTH_DONT_LOCK) {
		if (DEBUG_LOCKTASK) Slog.w(TAG_LOCKTASK,
		"setLockTaskModeLocked: Can't lock due to auth");
		return;
		}
		if (isLockTaskModeViolation(task)) {
		Slog.e(TAG, "setLockTaskMode: Attempt to start an unauthorized lock task.");
		Slog.e(TAG_LOCKTASK, "setLockTaskMode: Attempt to start an unauthorized lock task.");
		return;
		}

		@@ -3706,6 +3737,8 @@ public final class ActivityStackSupervisor implements DisplayListener {
		mHandler.sendMessage(lockTaskMsg);
		}
		// Add it or move it to the top.
		if (DEBUG_LOCKTASK) Slog.w(TAG_LOCKTASK, "setLockTaskModeLocked: Locking to " + task +
		" Callers=" + Debug.getCallers(4));
		mLockTaskModeTasks.remove(task);
		mLockTaskModeTasks.add(task);

		@@ -3759,6 +3792,13 @@ public final class ActivityStackSupervisor implements DisplayListener {
		stack.onLockTaskPackagesUpdatedLocked();
		}
		}
		final ActivityRecord r = topRunningActivityLocked();
		final TaskRecord task = r != null ? r.task : null;
		if (mLockTaskModeTasks.isEmpty() && task != null
		&& task.mLockTaskAuth == LOCK_TASK_AUTH_LAUNCHABLE) {
		// This task must have just been authorized.
		setLockTaskModeLocked(task, ActivityManager.LOCK_TASK_MODE_LOCKED, "package updated");
		}
		if (didSomething) {
		resumeTopActivitiesLocked();
		}

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

+13 −3

Original line number	Diff line number	Diff line
		@@ -63,6 +63,7 @@ import java.util.ArrayList;
		final class TaskRecord {
		private static final String TAG = TAG_WITH_CLASS_NAME ? "TaskRecord" : TAG_AM;
		private static final String TAG_RECENTS = TAG + POSTFIX_RECENTS;
		private static final String TAG_LOCKTASK = TAG + POSTFIX_LOCKTASK;
		private static final String TAG_TASKS = TAG + POSTFIX_TASKS;

		static final String ATTR_TASKID = "task_id";
		@@ -134,12 +135,11 @@ final class TaskRecord {

		/** Can't be put in lockTask mode. */
		final static int LOCK_TASK_AUTH_DONT_LOCK = 0;
		/** Can enter lockTask with user approval if not already in lockTask. */
		/** Can enter lockTask with user approval. Can never start over existing lockTask task. */
		final static int LOCK_TASK_AUTH_PINNABLE = 1;
		/** Starts in LOCK_TASK_MODE_LOCKED automatically. Can start over existing lockTask task. */
		final static int LOCK_TASK_AUTH_LAUNCHABLE = 2;
		/** Enters LOCK_TASK_MODE_LOCKED via startLockTask(), enters LOCK_TASK_MODE_PINNED from
		* Overview. Can start over existing lockTask task. */
		/** Can enter lockTask with user approval. Can start over existing lockTask task. */
		final static int LOCK_TASK_AUTH_WHITELISTED = 3;
		int mLockTaskAuth = LOCK_TASK_AUTH_PINNABLE;

		@@ -744,21 +744,31 @@ final class TaskRecord {
		void setLockTaskAuth() {
		switch (mLockTaskMode) {
		case LOCK_TASK_LAUNCH_MODE_DEFAULT:
		if (DEBUG_LOCKTASK) Slog.d(TAG_LOCKTASK, "setLockTaskAuth: task=" + this +
		" mLockTaskAuth=" + (isLockTaskWhitelistedLocked() ?
		"WHITELISTED" : "PINNABLE"));
		mLockTaskAuth = isLockTaskWhitelistedLocked() ?
		LOCK_TASK_AUTH_WHITELISTED : LOCK_TASK_AUTH_PINNABLE;
		break;

		case LOCK_TASK_LAUNCH_MODE_NEVER:
		if (DEBUG_LOCKTASK) Slog.d(TAG_LOCKTASK, "setLockTaskAuth: task=" + this +
		" mLockTaskAuth=" + (mPrivileged ? "DONT_LOCK" : "PINNABLE"));
		mLockTaskAuth = mPrivileged ?
		LOCK_TASK_AUTH_DONT_LOCK : LOCK_TASK_AUTH_PINNABLE;
		break;

		case LOCK_TASK_LAUNCH_MODE_ALWAYS:
		if (DEBUG_LOCKTASK) Slog.d(TAG_LOCKTASK, "setLockTaskAuth: task=" + this +
		" mLockTaskAuth=" + (mPrivileged ? "LAUNCHABLE" : "PINNABLE"));
		mLockTaskAuth = mPrivileged ?
		LOCK_TASK_AUTH_LAUNCHABLE: LOCK_TASK_AUTH_PINNABLE;
		break;

		case LOCK_TASK_LAUNCH_MODE_IF_WHITELISTED:
		if (DEBUG_LOCKTASK) Slog.d(TAG_LOCKTASK, "setLockTaskAuth: task=" + this +
		" mLockTaskAuth=" + (isLockTaskWhitelistedLocked() ?
		"LAUNCHABLE" : "PINNABLE"));
		mLockTaskAuth = isLockTaskWhitelistedLocked() ?
		LOCK_TASK_AUTH_LAUNCHABLE : LOCK_TASK_AUTH_PINNABLE;
		break;