diff options
Diffstat (limited to 'services/core/java/com/android/server/am/ActivityManagerService.java')
| -rw-r--r-- | services/core/java/com/android/server/am/ActivityManagerService.java | 124 |
1 files changed, 58 insertions, 66 deletions
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java index b606353..f25808b 100644 --- a/services/core/java/com/android/server/am/ActivityManagerService.java +++ b/services/core/java/com/android/server/am/ActivityManagerService.java @@ -26,10 +26,14 @@ import static com.android.internal.util.XmlUtils.readLongAttribute; import static com.android.internal.util.XmlUtils.writeBooleanAttribute; import static com.android.internal.util.XmlUtils.writeIntAttribute; import static com.android.internal.util.XmlUtils.writeLongAttribute; -import static com.android.server.am.ActivityStackSupervisor.HOME_STACK_ID; +import static com.android.server.Watchdog.NATIVE_STACKS_OF_INTEREST; import static com.android.server.am.ActivityManagerDebugConfig.*; +import static com.android.server.am.ActivityStackSupervisor.HOME_STACK_ID; import static com.android.server.am.TaskRecord.INVALID_TASK_ID; -import static com.android.server.Watchdog.NATIVE_STACKS_OF_INTEREST; +import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_DONT_LOCK; +import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_LAUNCHABLE; +import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_PINNABLE; +import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_WHITELISTED; import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; import static org.xmlpull.v1.XmlPullParser.START_TAG; @@ -3982,13 +3986,13 @@ public final class ActivityManagerService extends ActivityManagerNative if (rootR == null) { Slog.w(TAG, "Finishing task with all activities already finished"); } - // Do not allow task to finish in Lock Task mode. - if (tr == mStackSupervisor.mLockTaskModeTask) { - if (rootR == r) { - Slog.i(TAG, "Not finishing task in lock task mode"); - mStackSupervisor.showLockTaskToast(); - return false; - } + // Do not allow task to finish if last task in lockTask mode. Launchable apps can + // finish themselves. + if (tr.mLockTaskAuth != LOCK_TASK_AUTH_LAUNCHABLE && rootR == r && + mStackSupervisor.isLastLockedTask(tr)) { + Slog.i(TAG, "Not finishing task in lock task mode"); + mStackSupervisor.showLockTaskToast(); + return false; } if (mController != null) { // Find the first activity that is not finishing. @@ -4142,20 +4146,18 @@ public final class ActivityManagerService extends ActivityManagerNative final long origId = Binder.clearCallingIdentity(); try { ActivityRecord r = ActivityRecord.isInStackLocked(token); - - ActivityRecord rootR = r.task.getRootActivity(); - // Do not allow task to finish in Lock Task mode. - if (r.task == mStackSupervisor.mLockTaskModeTask) { - if (rootR == r) { - mStackSupervisor.showLockTaskToast(); - return false; - } + if (r == null) { + return false; } - boolean res = false; - if (r != null) { - res = r.task.stack.finishActivityAffinityLocked(r); + + // Do not allow the last non-launchable task to finish in Lock Task mode. + final TaskRecord task = r.task; + if (task.mLockTaskAuth != LOCK_TASK_AUTH_LAUNCHABLE && + mStackSupervisor.isLastLockedTask(task) && task.getRootActivity() == r) { + mStackSupervisor.showLockTaskToast(); + return false; } - return res; + return task.stack.finishActivityAffinityLocked(r); } finally { Binder.restoreCallingIdentity(origId); } @@ -8336,9 +8338,9 @@ public final class ActivityManagerService extends ActivityManagerNative final long origId = Binder.clearCallingIdentity(); try { int taskId = ActivityRecord.getTaskForActivityLocked(token, !nonRoot); - if (taskId >= 0) { - if ((mStackSupervisor.mLockTaskModeTask != null) - && (mStackSupervisor.mLockTaskModeTask.taskId == taskId)) { + final TaskRecord task = mRecentTasks.taskForIdLocked(taskId); + if (task != null) { + if (mStackSupervisor.isLockedTask(task)) { mStackSupervisor.showLockTaskToast(); return false; } @@ -8520,47 +8522,45 @@ public final class ActivityManagerService extends ActivityManagerNative @Override public void updateLockTaskPackages(int userId, String[] packages) { - if (Binder.getCallingUid() != Process.SYSTEM_UID) { + final int callingUid = Binder.getCallingUid(); + if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { throw new SecurityException("updateLockTaskPackage called from non-system process"); } synchronized (this) { mLockTaskPackages.put(userId, packages); + mStackSupervisor.onLockTaskPackagesUpdatedLocked(); } } - private boolean isLockTaskAuthorizedLocked(String pkg) { - String[] packages = mLockTaskPackages.get(mCurrentUserId); - if (packages == null) { - return false; - } - for (int i = packages.length - 1; i >= 0; --i) { - if (pkg.equals(packages[i])) { - return true; - } - } - return false; - } void startLockTaskModeLocked(TaskRecord task) { - final String pkg = task.intent.getComponent().getPackageName(); + if (task.mLockTaskAuth == LOCK_TASK_AUTH_DONT_LOCK) { + return; + } + // isSystemInitiated is used to distinguish between locked and pinned mode, as pinned mode // is initiated by system after the pinning request was shown and locked mode is initiated // by an authorized app directly - boolean isSystemInitiated = Binder.getCallingUid() == Process.SYSTEM_UID; + final int callingUid = Binder.getCallingUid(); + boolean isSystemInitiated = callingUid == Process.SYSTEM_UID; long ident = Binder.clearCallingIdentity(); try { - if (!isSystemInitiated && !isLockTaskAuthorizedLocked(pkg)) { - StatusBarManagerInternal statusBarManager = - LocalServices.getService(StatusBarManagerInternal.class); - if (statusBarManager != null) { - statusBarManager.showScreenPinningRequest(); + final ActivityStack stack = mStackSupervisor.getFocusedStack(); + if (!isSystemInitiated) { + task.mLockTaskUid = callingUid; + if (task.mLockTaskAuth == LOCK_TASK_AUTH_PINNABLE) { + // startLockTask() called by app and task mode is lockTaskModeDefault. + StatusBarManagerInternal statusBarManager = + LocalServices.getService(StatusBarManagerInternal.class); + if (statusBarManager != null) { + statusBarManager.showScreenPinningRequest(); + } + return; } - return; - } - final ActivityStack stack = mStackSupervisor.getFocusedStack(); - if (!isSystemInitiated && (stack == null || task != stack.topTask())) { - throw new IllegalArgumentException("Invalid task, not in foreground"); + if (stack == null || task != stack.topTask()) { + throw new IllegalArgumentException("Invalid task, not in foreground"); + } } mStackSupervisor.setLockTaskModeLocked(task, isSystemInitiated ? ActivityManager.LOCK_TASK_MODE_PINNED : @@ -8614,23 +8614,15 @@ public final class ActivityManagerService extends ActivityManagerNative @Override public void stopLockTaskMode() { - // Verify that the user matches the package of the intent for the TaskRecord - // we are locked to or systtem. This will ensure the same caller for startLockTaskMode - // and stopLockTaskMode. - final int callingUid = Binder.getCallingUid(); - if (callingUid != Process.SYSTEM_UID) { - try { - String pkg = - mStackSupervisor.mLockTaskModeTask.intent.getComponent().getPackageName(); - int uid = mContext.getPackageManager().getPackageUid(pkg, - Binder.getCallingUserHandle().getIdentifier()); - if (uid != callingUid) { - throw new SecurityException("Invalid uid, expected " + uid); - } - } catch (NameNotFoundException e) { - Log.d(TAG, "stopLockTaskMode " + e); - return; - } + final TaskRecord lockTask = mStackSupervisor.getLockedTaskLocked(); + if (lockTask == null) { + // Our work here is done. + return; + } + // Ensure the same caller for startLockTaskMode and stopLockTaskMode. + if (getLockTaskModeState() == ActivityManager.LOCK_TASK_MODE_LOCKED && + Binder.getCallingUid() != lockTask.mLockTaskUid) { + throw new SecurityException("Invalid uid, expected " + lockTask.mLockTaskUid); } long ident = Binder.clearCallingIdentity(); try { |