am 20df6234: Merge "Add callback to voice interaction session for lockscreen shown" into mnc-dev

* commit '20df62345910ad390a3bb321990987757db0831d':
  Add callback to voice interaction session for lockscreen shown

api/current.txt

@@ -28825,6 +28825,7 @@ package android.service.voice {
     method public void onHandleAssist(android.os.Bundle, android.app.assist.AssistStructure, android.app.assist.AssistContent);
     method public void onHandleScreenshot(android.graphics.Bitmap);
     method public void onHide();
+    method public void onLockscreenShown();
     method public boolean onKeyDown(int, android.view.KeyEvent);
     method public boolean onKeyLongPress(int, android.view.KeyEvent);
     method public boolean onKeyMultiple(int, int, android.view.KeyEvent);

api/system-current.txt

@@ -30977,6 +30977,7 @@ package android.service.voice {
     method public void onHandleAssist(android.os.Bundle, android.app.assist.AssistStructure, android.app.assist.AssistContent);
     method public void onHandleScreenshot(android.graphics.Bitmap);
     method public void onHide();
+    method public void onLockscreenShown();
     method public boolean onKeyDown(int, android.view.KeyEvent);
     method public boolean onKeyLongPress(int, android.view.KeyEvent);
     method public boolean onKeyMultiple(int, int, android.view.KeyEvent);

core/java/android/service/voice/IVoiceInteractionSession.aidl

@@ -35,5 +35,6 @@ oneway interface IVoiceInteractionSession {
     void taskStarted(in Intent intent, int taskId);
     void taskFinished(in Intent intent, int taskId);
     void closeSystemDialogs();
+    void onLockscreenShown();
     void destroy();
 }

core/java/android/service/voice/VoiceInteractionSession.java

@@ -264,6 +264,11 @@ public class VoiceInteractionSession implements KeyEvent.Callback, ComponentCall
             mHandlerCaller.sendMessage(mHandlerCaller.obtainMessage(MSG_CLOSE_SYSTEM_DIALOGS));
         }
 
+        @Override
+        public void onLockscreenShown() {
+            mHandlerCaller.sendMessage(mHandlerCaller.obtainMessage(MSG_ON_LOCKSCREEN_SHOWN));
+        }
+
         @Override
         public void destroy() {
             mHandlerCaller.sendMessage(mHandlerCaller.obtainMessage(MSG_DESTROY));
@@ -674,6 +679,7 @@ public class VoiceInteractionSession implements KeyEvent.Callback, ComponentCall
     static final int MSG_HANDLE_SCREENSHOT = 105;
     static final int MSG_SHOW = 106;
     static final int MSG_HIDE = 107;
+    static final int MSG_ON_LOCKSCREEN_SHOWN = 108;
 
     class MyCallbacks implements HandlerCaller.Callback, SoftInputWindow.Callback {
         @Override
@@ -752,6 +758,10 @@ public class VoiceInteractionSession implements KeyEvent.Callback, ComponentCall
                     if (DEBUG) Log.d(TAG, "doHide");
                     doHide();
                     break;
+                case MSG_ON_LOCKSCREEN_SHOWN:
+                    if (DEBUG) Log.d(TAG, "onLockscreenShown");
+                    onLockscreenShown();
+                    break;
             }
             if (args != null) {
                 args.recycle();
@@ -1296,6 +1306,13 @@ public class VoiceInteractionSession implements KeyEvent.Callback, ComponentCall
         hide();
     }
 
+    /**
+     * Called when the lockscreen was shown.
+     */
+    public void onLockscreenShown() {
+        hide();
+    }
+
     @Override
     public void onConfigurationChanged(Configuration newConfig) {
     }

core/java/com/android/internal/app/AssistUtils.java

@@ -122,6 +122,16 @@ public class AssistUtils {
         }
     }
 
+    public void onLockscreenShown() {
+        try {
+            if (mVoiceInteractionManagerService != null) {
+                mVoiceInteractionManagerService.onLockscreenShown();
+            }
+        } catch (RemoteException e) {
+            Log.w(TAG, "Failed to call onLockscreenShown", e);
+        }
+    }
+
     public ComponentName getAssistComponentForUser(int userId) {
         final String setting = Settings.Secure.getStringForUser(mContext.getContentResolver(),
                 Settings.Secure.ASSISTANT, userId);

core/java/com/android/internal/app/IVoiceInteractionManagerService.aidl

@@ -131,4 +131,9 @@ interface IVoiceInteractionManagerService {
      * from the lockscreen.
      */
     boolean activeServiceSupportsLaunchFromKeyguard();
+
+    /**
+     * Called when the lockscreen got shown.
+     */
+    void onLockscreenShown();
 }

packages/SystemUI/src/com/android/systemui/assist/AssistManager.java

@@ -304,4 +304,8 @@ public class AssistManager {
     public void onUserSwitched(int newUserId) {
         updateAssistInfo();
     }
+
+    public void onLockscreenShown() {
+        mAssistUtils.onLockscreenShown();
+    }
 }

packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java

@@ -3311,6 +3311,7 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
             mDraggedDownRow.notifyHeightChanged(false  /* needsAnimation */);
             mDraggedDownRow = null;
         }
+        mAssistManager.onLockscreenShown();
     }
 
     private void onLaunchTransitionFadingEnded() {

services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerService.java

@@ -893,6 +893,28 @@ public class VoiceInteractionManagerService extends SystemService {
             }
         }
 
+        @Override
+        public void onLockscreenShown() {
+            enforceCallingPermission(Manifest.permission.ACCESS_VOICE_INTERACTION_SERVICE);
+            synchronized (this) {
+                if (mImpl == null) {
+                    return;
+                }
+                final long caller = Binder.clearCallingIdentity();
+                try {
+                    if (mImpl.mActiveSession != null && mImpl.mActiveSession.mSession != null) {
+                        try {
+                            mImpl.mActiveSession.mSession.onLockscreenShown();
+                        } catch (RemoteException e) {
+                            Log.w(TAG, "Failed to call onLockscreenShown", e);
+                        }
+                    }
+                } finally {
+                    Binder.restoreCallingIdentity(caller);
+                }
+            }
+        }
+
         @Override
         public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
             if (mContext.checkCallingOrSelfPermission(Manifest.permission.DUMP)

tests/Assist/src/com/android/test/assist/AssistInteractionSession.java

@@ -24,6 +24,7 @@ import android.graphics.Color;
 import android.os.Bundle;
 import android.os.Handler;
 import android.service.voice.VoiceInteractionSession;
+import android.util.Log;
 import android.view.View;
 import android.view.ViewAnimationUtils;
 import android.view.ViewTreeObserver;
@@ -69,6 +70,7 @@ public class AssistInteractionSession extends VoiceInteractionSession {
 
     @Override
     public void onCreate() {
+        super.onCreate();
         // Simulate slowness of Assist app
         try {
             Thread.sleep(1000);
@@ -105,6 +107,12 @@ public class AssistInteractionSession extends VoiceInteractionSession {
         }
     }
 
+    @Override
+    public void onLockscreenShown() {
+        super.onLockscreenShown();
+        Log.i("Assistant", "Lockscreen was shown");
+    }
+
     private void playAssistAnimation() {
         Interpolator linearOutSlowIn = AnimationUtils.loadInterpolator(mBackground.getContext(),
                 android.R.interpolator.linear_out_slow_in);