Add API for putting up locktask pinning toast.

Fixes bug 18993662.

Change-Id: Ic1753285044857f8ea897784485fd1a9580acf25

2 files changed, 24 insertions, 1 deletions

diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index f25808b..faba838 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -33,7 +33,6 @@ import static com.android.server.am.TaskRecord.INVALID_TASK_ID;
 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;
 
@@ -8661,6 +8660,17 @@ public final class ActivityManagerService extends ActivityManagerNative
         }
     }
 
+    @Override
+    public void showLockTaskEscapeMessage(IBinder token) {
+        synchronized (this) {
+            final ActivityRecord r = ActivityRecord.forTokenLocked(token);
+            if (r == null) {
+                return;
+            }
+            mStackSupervisor.showLockTaskEscapeMessageLocked(r.task);
+        }
+    }
+
     // =========================================================
     // CONTENT PROVIDERS
     // =========================================================
diff --git a/services/core/java/com/android/server/am/ActivityStackSupervisor.java b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
index 6908483..eb1b1d8 100644
--- a/services/core/java/com/android/server/am/ActivityStackSupervisor.java
+++ b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
@@ -165,6 +165,7 @@ public final class ActivityStackSupervisor implements DisplayListener {
     static final int LOCK_TASK_END_MSG = FIRST_SUPERVISOR_STACK_MSG + 10;
     static final int CONTAINER_CALLBACK_TASK_LIST_EMPTY = FIRST_SUPERVISOR_STACK_MSG + 11;
     static final int LAUNCH_TASK_BEHIND_COMPLETE = FIRST_SUPERVISOR_STACK_MSG + 12;
+    static final int SHOW_LOCK_TASK_ESCAPE_MESSAGE_MSG = FIRST_SUPERVISOR_STACK_MSG + 13;
 
     private final static String VIRTUAL_DISPLAY_BASE_NAME = "ActivityViewVirtualDisplay";
 
@@ -3634,6 +3635,12 @@ public final class ActivityStackSupervisor implements DisplayListener {
         mLockTaskNotify.showToast(mLockTaskModeState);
     }
 
+    void showLockTaskEscapeMessageLocked(TaskRecord task) {
+        if (mLockTaskModeTasks.contains(task)) {
+            mHandler.sendEmptyMessage(SHOW_LOCK_TASK_ESCAPE_MESSAGE_MSG);
+        }
+    }
+
     void setLockTaskModeLocked(TaskRecord task, int lockTaskModeState, String reason) {
         if (task == null) {
             // Take out of lock task mode if necessary
@@ -3879,6 +3886,12 @@ public final class ActivityStackSupervisor implements DisplayListener {
                         mLockTaskModeState = LOCK_TASK_MODE_NONE;
                     }
                 } break;
+                case SHOW_LOCK_TASK_ESCAPE_MESSAGE_MSG: {
+                    if (mLockTaskNotify == null) {
+                        mLockTaskNotify = new LockTaskNotify(mService.mContext);
+                    }
+                    mLockTaskNotify.showToast(LOCK_TASK_MODE_PINNED);
+                } break;
                 case CONTAINER_CALLBACK_TASK_LIST_EMPTY: {
                     final ActivityContainer container = (ActivityContainer) msg.obj;
                     final IActivityContainerCallback callback = container.mCallback;