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Commit 5026936e authored by Jaewan Kim's avatar Jaewan Kim
Browse files

Allow privileged app to set volume key long-press listener 

If the volume long-press listener is set, the listener will receive
the volume key long-presses instead of chaging the volume.

Privileged app needs permission
android.permission.SET_VOLUME_KEY_LONG_PRESS_LISTENER to set the listener.

Bug: 30125811
Change-Id: I5e8fafbb950e5e11522da0f14004648d0877bf3e
parent 70c5c30a

Android.mk

+3 −2
Original line number Diff line number Diff line
@@ -423,10 +423,11 @@ LOCAL_SRC_FILES += \ 
	media/java/android/media/projection/IMediaProjectionManager.aidl \

	media/java/android/media/projection/IMediaProjectionWatcherCallback.aidl \

	media/java/android/media/session/IActiveSessionsListener.aidl \

	media/java/android/media/session/ISessionController.aidl \

	media/java/android/media/session/ISessionControllerCallback.aidl \

	media/java/android/media/session/IOnVolumeKeyLongPressListener.aidl \

	media/java/android/media/session/ISession.aidl \

	media/java/android/media/session/ISessionCallback.aidl \

	media/java/android/media/session/ISessionController.aidl \

	media/java/android/media/session/ISessionControllerCallback.aidl \

	media/java/android/media/session/ISessionManager.aidl \

	media/java/android/media/tv/ITvInputClient.aidl \

	media/java/android/media/tv/ITvInputHardware.aidl \

api/system-current.txt

+6 −0
Original line number Diff line number Diff line
@@ -222,6 +222,7 @@ package android { 
    field public static final java.lang.String SET_SCREEN_COMPATIBILITY = "android.permission.SET_SCREEN_COMPATIBILITY";

    field public static final java.lang.String SET_TIME = "android.permission.SET_TIME";

    field public static final java.lang.String SET_TIME_ZONE = "android.permission.SET_TIME_ZONE";

    field public static final java.lang.String SET_VOLUME_KEY_LONG_PRESS_LISTENER = "android.permission.SET_VOLUME_KEY_LONG_PRESS_LISTENER";

    field public static final java.lang.String SET_WALLPAPER = "android.permission.SET_WALLPAPER";

    field public static final java.lang.String SET_WALLPAPER_COMPONENT = "android.permission.SET_WALLPAPER_COMPONENT";

    field public static final java.lang.String SET_WALLPAPER_HINTS = "android.permission.SET_WALLPAPER_HINTS";
@@ -24819,12 +24820,17 @@ package android.media.session { 
    method public void addOnActiveSessionsChangedListener(android.media.session.MediaSessionManager.OnActiveSessionsChangedListener, android.content.ComponentName, android.os.Handler);

    method public java.util.List<android.media.session.MediaController> getActiveSessions(android.content.ComponentName);

    method public void removeOnActiveSessionsChangedListener(android.media.session.MediaSessionManager.OnActiveSessionsChangedListener);

    method public void setOnVolumeKeyLongPressListener(android.media.session.MediaSessionManager.OnVolumeKeyLongPressListener, android.os.Handler);

  }















  public static abstract interface MediaSessionManager.OnActiveSessionsChangedListener {















    method public abstract void onActiveSessionsChanged(java.util.List<android.media.session.MediaController>);















  }



























  public static abstract interface MediaSessionManager.OnVolumeKeyLongPressListener {













    method public abstract void onVolumeKeyLongPress(android.view.KeyEvent);













  }



























  public final class PlaybackState implements android.os.Parcelable {















    method public int describeContents();















    method public long getActions();

























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



+4
−2




























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Diff line number
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@@ -84,7 +84,8 @@ public class PhoneFallbackEventHandler implements FallbackEventHandler {













            case KeyEvent.KEYCODE_VOLUME_UP:















            case KeyEvent.KEYCODE_VOLUME_DOWN:















            case KeyEvent.KEYCODE_VOLUME_MUTE: {













                MediaSessionLegacyHelper.getHelper(mContext).sendVolumeKeyEvent(event, false);













                MediaSessionLegacyHelper.getHelper(mContext).sendVolumeKeyEvent(













                        event, AudioManager.USE_DEFAULT_STREAM_TYPE, false);















                return true;















            }


























@@ -215,7 +216,8 @@ public class PhoneFallbackEventHandler implements FallbackEventHandler {













            case KeyEvent.KEYCODE_VOLUME_DOWN:















            case KeyEvent.KEYCODE_VOLUME_MUTE: {















                if (!event.isCanceled()) {













                    MediaSessionLegacyHelper.getHelper(mContext).sendVolumeKeyEvent(event, false);













                    MediaSessionLegacyHelper.getHelper(mContext).sendVolumeKeyEvent(













                            event, AudioManager.USE_DEFAULT_STREAM_TYPE, false);















                }















                return true;















            }

































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



+20
−21




























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@@ -1856,6 +1856,9 @@ 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













                // use the suggested stream.













                if (mMediaController != null) {















                    int direction = 0;















                    switch (keyCode) {















                        case KeyEvent.KEYCODE_VOLUME_UP:









@@ -1868,15 +1871,10 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {













                            direction = AudioManager.ADJUST_TOGGLE_MUTE;















                            break;















                    }













                // If we have a session send it the volume command, otherwise













                // use the suggested stream.













                if (mMediaController != null) {















                    mMediaController.adjustVolume(direction, AudioManager.FLAG_SHOW_UI);















                } else {













                    MediaSessionLegacyHelper.getHelper(getContext()).sendAdjustVolumeBy(













                            mVolumeControlStreamType, direction,













                            AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_VIBRATE













                                    | AudioManager.FLAG_FROM_KEY);













                    MediaSessionLegacyHelper.getHelper(getContext()).sendVolumeKeyEvent(













                            event, mVolumeControlStreamType, false);















                }















                return true;















            }










@@ -1954,15 +1952,15 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {













        switch (keyCode) {















            case KeyEvent.KEYCODE_VOLUME_UP:















            case KeyEvent.KEYCODE_VOLUME_DOWN: {













                final int flags = AudioManager.FLAG_PLAY_SOUND | AudioManager.FLAG_VIBRATE













                        | AudioManager.FLAG_FROM_KEY;















                // If we have a session send it the volume command, otherwise















                // use the suggested stream.















                if (mMediaController != null) {













                    final int flags = AudioManager.FLAG_PLAY_SOUND | AudioManager.FLAG_VIBRATE













                            | AudioManager.FLAG_FROM_KEY;















                    mMediaController.adjustVolume(0, flags);















                } else {













                    MediaSessionLegacyHelper.getHelper(getContext()).sendAdjustVolumeBy(













                            mVolumeControlStreamType, 0, flags);













                    MediaSessionLegacyHelper.getHelper(getContext()).sendVolumeKeyEvent(













                            event, mVolumeControlStreamType, false);















                }















                return true;















            }









@@ -1971,7 +1969,8 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {













                // doesn't have one of these.  In this case, we execute it here and















                // eat the event instead, because we have mVolumeControlStreamType















                // and they don't.













                getAudioManager().handleKeyUp(event, mVolumeControlStreamType);













                MediaSessionLegacyHelper.getHelper(getContext()).sendVolumeKeyEvent(













                        event, AudioManager.USE_DEFAULT_STREAM_TYPE, false);















                return true;















            }















            // These are all the recognized media key codes in

































core/res/AndroidManifest.xml



+7
−0




























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Diff line








@@ -2625,6 +2625,13 @@













    <permission android:name="android.permission.MEDIA_CONTENT_CONTROL"















        android:protectionLevel="signature|privileged" />





























    <!-- @SystemApi @hide Allows an application to set the volume key long-press listener.













         <p>When it's set, the application will receive the volume key long-press event













         instead of changing volume.</p>













         <p>Not for use by third-party applications</p> -->













    <permission android:name="android.permission.SET_VOLUME_KEY_LONG_PRESS_LISTENER"













        android:protectionLevel="signature|privileged|development" />





























    <!-- @SystemApi Required to be able to disable the device (very dangerous!).















         <p>Not for use by third-party applications.















         @hide