Merge changes from topic "fix-volume-slider-during-phone-call" into tm-qpr-dev

* changes:
  Change AudioManger getMode() binder call to addOnModeChangedListener()
  Fix volume controls show media instead of call volume during a call.

core/java/android/view/Window.java

@@ -823,6 +823,11 @@ public abstract class Window {
     /** @hide */
     public final void destroy() {
         mDestroyed = true;
+        onDestroy();
+    }
+
+    /** @hide */
+    protected void onDestroy() {
     }
 
     /** @hide */

core/java/com/android/internal/policy/PhoneWindow.java

@@ -295,6 +295,7 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
     private boolean mClosingActionMenu;
 
     private int mVolumeControlStreamType = AudioManager.USE_DEFAULT_STREAM_TYPE;
+    private int mAudioMode = AudioManager.MODE_NORMAL;
     private MediaController mMediaController;
 
     private AudioManager mAudioManager;
@@ -317,6 +318,8 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
         }
     };
 
+    private AudioManager.OnModeChangedListener mOnModeChangedListener;
+
     private Transition mEnterTransition = null;
     private Transition mReturnTransition = USE_DEFAULT_TRANSITION;
     private Transition mExitTransition = null;
@@ -1950,9 +1953,9 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
             case KeyEvent.KEYCODE_VOLUME_UP:
             case KeyEvent.KEYCODE_VOLUME_DOWN:
             case KeyEvent.KEYCODE_VOLUME_MUTE: {
-                // If we have a session send it the volume command, otherwise
+                // If we have a session and no active phone call send it the volume command,
-                // use the suggested stream.
+                // otherwise use the suggested stream.
-                if (mMediaController != null) {
+                if (mMediaController != null && !isActivePhoneCallOngoing()) {
                     getMediaSessionManager().dispatchVolumeKeyEventToSessionAsSystemService(event,
                             mMediaController.getSessionToken());
                 } else {
@@ -2003,6 +2006,11 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
         return false;
     }
 
+    private boolean isActivePhoneCallOngoing() {
+        return mAudioMode == AudioManager.MODE_IN_CALL
+                || mAudioMode == AudioManager.MODE_IN_COMMUNICATION;
+    }
+
     private KeyguardManager getKeyguardManager() {
         if (mKeyguardManager == null) {
             mKeyguardManager = (KeyguardManager) getContext().getSystemService(
@@ -2326,6 +2334,14 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
         }
     }
 
+    @Override
+    protected void onDestroy() {
+        if (mOnModeChangedListener != null) {
+            getAudioManager().removeOnModeChangedListener(mOnModeChangedListener);
+            mOnModeChangedListener = null;
+        }
+    }
+
     private class PanelMenuPresenterCallback implements MenuPresenter.Callback {
         @Override
         public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) {
@@ -3208,6 +3224,15 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
     @Override
     public void setMediaController(MediaController controller) {
         mMediaController = controller;
+        if (controller != null && mOnModeChangedListener == null) {
+            mAudioMode = getAudioManager().getMode();
+            mOnModeChangedListener = mode -> mAudioMode = mode;
+            getAudioManager().addOnModeChangedListener(getContext().getMainExecutor(),
+                    mOnModeChangedListener);
+        } else if (mOnModeChangedListener != null) {
+            getAudioManager().removeOnModeChangedListener(mOnModeChangedListener);
+            mOnModeChangedListener = null;
+        }
     }
 
     @Override