Remove ControllerCallbackLink (4e4459b4) · Commits · e / os / android_frameworks_base

media/java/android/media/session/ControllerCallbackLink.aidl

deleted100644 → 0

+0 −18

Original line number	Diff line number	Diff line
		/*
		* Copyright 2019 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/
		package android.media.session;

		parcelable ControllerCallbackLink;

media/java/android/media/session/ControllerCallbackLink.java

deleted100644 → 0

+0 −327

Original line number	Diff line number	Diff line
		/*
		* Copyright 2019 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package android.media.session;

		import android.Manifest;
		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.annotation.RequiresPermission;
		import android.content.Context;
		import android.content.pm.PackageManager;
		import android.media.MediaMetadata;
		import android.media.MediaParceledListSlice;
		import android.media.session.MediaController.PlaybackInfo;
		import android.media.session.MediaSession.QueueItem;
		import android.os.Binder;
		import android.os.Bundle;
		import android.os.IBinder;
		import android.os.Parcel;
		import android.os.Parcelable;
		import android.os.Process;
		import android.os.RemoteException;

		import java.util.List;

		/**
		* Handles incoming commands to {@link MediaController.Callback}.
		* @hide
		*/
		public final class ControllerCallbackLink implements Parcelable {
		final Context mContext;
		final CallbackStub mCallbackStub;
		final ISessionControllerCallback mIControllerCallback;

		/**
		* Constructor for stub (Callee)
		*/
		public ControllerCallbackLink(@NonNull Context context, @NonNull CallbackStub callbackStub) {
		mContext = context;
		mCallbackStub = callbackStub;
		mIControllerCallback = new CallbackStubProxy();
		}

		/**
		* Constructor for interface (Caller)
		*/
		public ControllerCallbackLink(IBinder binder) {
		mContext = null;
		mCallbackStub = null;
		mIControllerCallback = ISessionControllerCallback.Stub.asInterface(binder);
		}

		/**
		* Notify controller that the connected session is destroyed.
		*/
		@RequiresPermission(Manifest.permission.MEDIA_CONTENT_CONTROL)
		public void notifySessionDestroyed() {
		try {
		mIControllerCallback.notifySessionDestroyed();
		} catch (RemoteException e) {
		throw new RuntimeException(e);
		}
		}

		/**
		* Notify controller that the connected session sends an event.
		*
		* @param event the name of the event
		* @param extras the extras included with the event
		*/
		@RequiresPermission(Manifest.permission.MEDIA_CONTENT_CONTROL)
		public void notifyEvent(@NonNull String event, @Nullable Bundle extras) {
		try {
		mIControllerCallback.notifyEvent(event, extras);
		} catch (RemoteException e) {
		throw new RuntimeException(e);
		}
		}

		/**
		* Notify controller that the current playback state is changed.
		*
		* @param state the new playback state
		*/
		@RequiresPermission(Manifest.permission.MEDIA_CONTENT_CONTROL)
		public void notifyPlaybackStateChanged(@Nullable PlaybackState state) {
		try {
		mIControllerCallback.notifyPlaybackStateChanged(state);
		} catch (RemoteException e) {
		throw new RuntimeException(e);
		}
		}

		/**
		* Notify controller that the current metadata is changed.
		*
		* @param metadata the new metadata
		*/
		@RequiresPermission(Manifest.permission.MEDIA_CONTENT_CONTROL)
		public void notifyMetadataChanged(@Nullable MediaMetadata metadata) {
		try {
		mIControllerCallback.notifyMetadataChanged(metadata);
		} catch (RemoteException e) {
		throw new RuntimeException(e);
		}
		}

		/**
		* Notify controller that the current queue is changed.
		*
		* @param queue the new queue
		*/
		@RequiresPermission(Manifest.permission.MEDIA_CONTENT_CONTROL)
		public void notifyQueueChanged(@Nullable List<QueueItem> queue) {
		try {
		mIControllerCallback.notifyQueueChanged(queue == null ? null :
		new MediaParceledListSlice(queue));
		} catch (RemoteException e) {
		throw new RuntimeException(e);
		}
		}

		/**
		* Notify controller that the current queue title is changed.
		*
		* @param title the new queue title
		*/
		@RequiresPermission(Manifest.permission.MEDIA_CONTENT_CONTROL)
		public void notifyQueueTitleChanged(@Nullable CharSequence title) {
		try {
		mIControllerCallback.notifyQueueTitleChanged(title);
		} catch (RemoteException e) {
		throw new RuntimeException(e);
		}
		}

		/**
		* Notify controller that the extras are changed.
		*
		* @param extras the new extras
		*/
		@RequiresPermission(Manifest.permission.MEDIA_CONTENT_CONTROL)
		public void notifyExtrasChanged(@Nullable Bundle extras) {
		try {
		mIControllerCallback.notifyExtrasChanged(extras);
		} catch (RemoteException e) {
		throw new RuntimeException(e);
		}
		}

		/**
		* Notify controller that the playback info is changed.
		*
		* @param info the new playback info
		*/
		@RequiresPermission(Manifest.permission.MEDIA_CONTENT_CONTROL)
		public void notifyVolumeInfoChanged(@NonNull PlaybackInfo info) {
		try {
		mIControllerCallback.notifyVolumeInfoChanged(info);
		} catch (RemoteException e) {
		throw new RuntimeException(e);
		}
		}

		/** Gets the binder */
		@NonNull
		public IBinder getBinder() {
		return mIControllerCallback.asBinder();
		}

		@Override
		public int describeContents() {
		return 0;
		}

		@Override
		public void writeToParcel(Parcel dest, int flags) {
		dest.writeStrongBinder(mIControllerCallback.asBinder());
		}

		public static final @android.annotation.NonNull Parcelable.Creator<ControllerCallbackLink> CREATOR =
		new Parcelable.Creator<ControllerCallbackLink>() {
		@Override
		public ControllerCallbackLink createFromParcel(Parcel in) {
		return new ControllerCallbackLink(in.readStrongBinder());
		}

		@Override
		public ControllerCallbackLink[] newArray(int size) {
		return new ControllerCallbackLink[size];
		}
		};

		/**
		* Class for Stub implementation
		*/
		public abstract static class CallbackStub {
		/** Stub method for ISessionControllerCallback.notifySessionDestroyed */
		public void onSessionDestroyed() {
		}

		/** Stub method for ISessionControllerCallback.notifyEvent */
		public void onEvent(@NonNull String event, @Nullable Bundle extras) {
		}

		/** Stub method for ISessionControllerCallback.notifyPlaybackStateChanged */
		public void onPlaybackStateChanged(@Nullable PlaybackState state) {
		}

		/** Stub method for ISessionControllerCallback.notifyMetadataChanged */
		public void onMetadataChanged(@Nullable MediaMetadata metadata) {
		}

		/** Stub method for ISessionControllerCallback.notifyQueueChanged */
		public void onQueueChanged(@Nullable List<QueueItem> queue) {
		}

		/** Stub method for ISessionControllerCallback.notifyQueueTitleChanged */
		public void onQueueTitleChanged(@Nullable CharSequence title) {
		}

		/** Stub method for ISessionControllerCallback.notifyExtrasChanged */
		public void onExtrasChanged(@Nullable Bundle extras) {
		}

		/** Stub method for ISessionControllerCallback.notifyVolumeInfoChanged */
		public void onVolumeInfoChanged(@NonNull PlaybackInfo info) {
		}
		}

		private class CallbackStubProxy extends ISessionControllerCallback.Stub {
		@Override
		public void notifyEvent(String event, Bundle extras) {
		mCallbackStub.onEvent(event, extras);
		}

		@Override
		public void notifySessionDestroyed() {
		mCallbackStub.onSessionDestroyed();
		}

		@Override
		public void notifyPlaybackStateChanged(PlaybackState state) {
		ensureMediaControlPermission();
		final long token = Binder.clearCallingIdentity();
		try {
		mCallbackStub.onPlaybackStateChanged(state);
		} finally {
		Binder.restoreCallingIdentity(token);
		}
		}

		@Override
		public void notifyMetadataChanged(MediaMetadata metadata) {
		ensureMediaControlPermission();
		final long token = Binder.clearCallingIdentity();
		try {
		mCallbackStub.onMetadataChanged(metadata);
		} finally {
		Binder.restoreCallingIdentity(token);
		}
		}

		@Override
		public void notifyQueueChanged(MediaParceledListSlice queue) {
		ensureMediaControlPermission();
		final long token = Binder.clearCallingIdentity();
		try {
		mCallbackStub.onQueueChanged(queue == null ? null : queue.getList());
		} finally {
		Binder.restoreCallingIdentity(token);
		}
		}

		@Override
		public void notifyQueueTitleChanged(CharSequence title) {
		ensureMediaControlPermission();
		final long token = Binder.clearCallingIdentity();
		try {
		mCallbackStub.onQueueTitleChanged(title);
		} finally {
		Binder.restoreCallingIdentity(token);
		}
		}

		@Override
		public void notifyExtrasChanged(Bundle extras) {
		mCallbackStub.onExtrasChanged(extras);
		}

		@Override
		public void notifyVolumeInfoChanged(PlaybackInfo info) {
		ensureMediaControlPermission();
		final long token = Binder.clearCallingIdentity();
		try {
		mCallbackStub.onVolumeInfoChanged(info);
		} finally {
		Binder.restoreCallingIdentity(token);
		}
		}

		private void ensureMediaControlPermission() {
		// Check if it's system server or has MEDIA_CONTENT_CONTROL.
		// Note that system server doesn't have MEDIA_CONTENT_CONTROL, so we need extra
		// check here.
		if (getCallingUid() == Process.SYSTEM_UID \|\| mContext.checkCallingPermission(
		android.Manifest.permission.MEDIA_CONTENT_CONTROL)
		== PackageManager.PERMISSION_GRANTED) {
		return;
		}
		throw new SecurityException("Must hold the MEDIA_CONTENT_CONTROL permission.");
		}
		}
		}

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

+24 −24

Original line number	Diff line number	Diff line
		@@ -17,7 +17,7 @@ package android.media.session;

		import android.content.Intent;
		import android.media.Rating;
		import android.media.session.ControllerCallbackLink;
		import android.media.session.ISessionControllerCallback;
		import android.net.Uri;
		import android.os.Bundle;
		import android.os.ResultReceiver;
		@@ -26,48 +26,48 @@ import android.os.ResultReceiver;
		* @hide
		*/
		oneway interface ISessionCallback {
		void onCommand(String packageName, int pid, int uid, in ControllerCallbackLink caller,
		void onCommand(String packageName, int pid, int uid, ISessionControllerCallback caller,
		String command, in Bundle args, in ResultReceiver cb);
		void onMediaButton(String packageName, int pid, int uid, in Intent mediaButtonIntent,
		int sequenceNumber, in ResultReceiver cb);
		void onMediaButtonFromController(String packageName, int pid, int uid,
		in ControllerCallbackLink caller, in Intent mediaButtonIntent);
		ISessionControllerCallback caller, in Intent mediaButtonIntent);

		// These callbacks are for the TransportControls
		void onPrepare(String packageName, int pid, int uid, in ControllerCallbackLink caller);
		void onPrepare(String packageName, int pid, int uid, ISessionControllerCallback caller);
		void onPrepareFromMediaId(String packageName, int pid, int uid,
		in ControllerCallbackLink caller, String mediaId, in Bundle extras);
		ISessionControllerCallback caller, String mediaId, in Bundle extras);
		void onPrepareFromSearch(String packageName, int pid, int uid,
		in ControllerCallbackLink caller, String query, in Bundle extras);
		ISessionControllerCallback caller, String query, in Bundle extras);
		void onPrepareFromUri(String packageName, int pid, int uid,
		in ControllerCallbackLink caller, in Uri uri, in Bundle extras);
		void onPlay(String packageName, int pid, int uid, in ControllerCallbackLink caller);
		ISessionControllerCallback caller, in Uri uri, in Bundle extras);
		void onPlay(String packageName, int pid, int uid, ISessionControllerCallback caller);
		void onPlayFromMediaId(String packageName, int pid, int uid,
		in ControllerCallbackLink caller, String mediaId, in Bundle extras);
		ISessionControllerCallback caller, String mediaId, in Bundle extras);
		void onPlayFromSearch(String packageName, int pid, int uid,
		in ControllerCallbackLink caller, String query, in Bundle extras);
		void onPlayFromUri(String packageName, int pid, int uid, in ControllerCallbackLink caller,
		ISessionControllerCallback caller, String query, in Bundle extras);
		void onPlayFromUri(String packageName, int pid, int uid, ISessionControllerCallback caller,
		in Uri uri, in Bundle extras);
		void onSkipToTrack(String packageName, int pid, int uid, in ControllerCallbackLink caller,
		void onSkipToTrack(String packageName, int pid, int uid, ISessionControllerCallback caller,
		long id);
		void onPause(String packageName, int pid, int uid, in ControllerCallbackLink caller);
		void onStop(String packageName, int pid, int uid, in ControllerCallbackLink caller);
		void onNext(String packageName, int pid, int uid, in ControllerCallbackLink caller);
		void onPrevious(String packageName, int pid, int uid, in ControllerCallbackLink caller);
		void onFastForward(String packageName, int pid, int uid, in ControllerCallbackLink caller);
		void onRewind(String packageName, int pid, int uid, in ControllerCallbackLink caller);
		void onSeekTo(String packageName, int pid, int uid, in ControllerCallbackLink caller,
		void onPause(String packageName, int pid, int uid, ISessionControllerCallback caller);
		void onStop(String packageName, int pid, int uid, ISessionControllerCallback caller);
		void onNext(String packageName, int pid, int uid, ISessionControllerCallback caller);
		void onPrevious(String packageName, int pid, int uid, ISessionControllerCallback caller);
		void onFastForward(String packageName, int pid, int uid, ISessionControllerCallback caller);
		void onRewind(String packageName, int pid, int uid, ISessionControllerCallback caller);
		void onSeekTo(String packageName, int pid, int uid, ISessionControllerCallback caller,
		long pos);
		void onRate(String packageName, int pid, int uid, in ControllerCallbackLink caller,
		void onRate(String packageName, int pid, int uid, ISessionControllerCallback caller,
		in Rating rating);
		void onSetPlaybackSpeed(String packageName, int pid, int uid,
		in ControllerCallbackLink caller, float speed);
		void onCustomAction(String packageName, int pid, int uid, in ControllerCallbackLink caller,
		ISessionControllerCallback caller, float speed);
		void onCustomAction(String packageName, int pid, int uid, ISessionControllerCallback caller,
		String action, in Bundle args);

		// These callbacks are for volume handling
		void onAdjustVolume(String packageName, int pid, int uid, in ControllerCallbackLink caller,
		void onAdjustVolume(String packageName, int pid, int uid, ISessionControllerCallback caller,
		int direction);
		void onSetVolumeTo(String packageName, int pid, int uid,
		in ControllerCallbackLink caller, int value);
		ISessionControllerCallback caller, int value);
		}

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

+26 −26

Original line number	Diff line number	Diff line
		@@ -20,7 +20,7 @@ import android.content.Intent;
		import android.media.MediaMetadata;
		import android.media.MediaParceledListSlice;
		import android.media.Rating;
		import android.media.session.ControllerCallbackLink;
		import android.media.session.ISessionControllerCallback;
		import android.media.session.MediaController;
		import android.media.session.MediaSession;
		import android.media.session.PlaybackState;
		@@ -36,12 +36,12 @@ import java.util.List;
		* @hide
		*/
		interface ISessionController {
		void sendCommand(String packageName, in ControllerCallbackLink caller,
		void sendCommand(String packageName, in ISessionControllerCallback caller,
		String command, in Bundle args, in ResultReceiver cb);
		boolean sendMediaButton(String packageName, in ControllerCallbackLink caller,
		boolean sendMediaButton(String packageName, in ISessionControllerCallback caller,
		in KeyEvent mediaButton);
		void registerCallback(String packageName, in ControllerCallbackLink cb);
		void unregisterCallback(in ControllerCallbackLink cb);
		void registerCallback(String packageName, in ISessionControllerCallback cb);
		void unregisterCallback(in ISessionControllerCallback cb);
		String getPackageName();
		String getTag();
		Bundle getSessionInfo();
		@@ -49,36 +49,36 @@ interface ISessionController {
		long getFlags();
		MediaController.PlaybackInfo getVolumeAttributes();
		void adjustVolume(String packageName, String opPackageName,
		in ControllerCallbackLink caller, int direction, int flags);
		void setVolumeTo(String packageName, String opPackageName, in ControllerCallbackLink caller,
		in ISessionControllerCallback caller, int direction, int flags);
		void setVolumeTo(String packageName, String opPackageName, in ISessionControllerCallback caller,
		int value, int flags);

		// These commands are for the TransportControls
		void prepare(String packageName, in ControllerCallbackLink caller);
		void prepareFromMediaId(String packageName, in ControllerCallbackLink caller,
		void prepare(String packageName, in ISessionControllerCallback caller);
		void prepareFromMediaId(String packageName, in ISessionControllerCallback caller,
		String mediaId, in Bundle extras);
		void prepareFromSearch(String packageName, in ControllerCallbackLink caller,
		void prepareFromSearch(String packageName, in ISessionControllerCallback caller,
		String string, in Bundle extras);
		void prepareFromUri(String packageName, in ControllerCallbackLink caller,
		void prepareFromUri(String packageName, in ISessionControllerCallback caller,
		in Uri uri, in Bundle extras);
		void play(String packageName, in ControllerCallbackLink caller);
		void playFromMediaId(String packageName, in ControllerCallbackLink caller,
		void play(String packageName, in ISessionControllerCallback caller);
		void playFromMediaId(String packageName, in ISessionControllerCallback caller,
		String mediaId, in Bundle extras);
		void playFromSearch(String packageName, in ControllerCallbackLink caller,
		void playFromSearch(String packageName, in ISessionControllerCallback caller,
		String string, in Bundle extras);
		void playFromUri(String packageName, in ControllerCallbackLink caller,
		void playFromUri(String packageName, in ISessionControllerCallback caller,
		in Uri uri, in Bundle extras);
		void skipToQueueItem(String packageName, in ControllerCallbackLink caller, long id);
		void pause(String packageName, in ControllerCallbackLink caller);
		void stop(String packageName, in ControllerCallbackLink caller);
		void next(String packageName, in ControllerCallbackLink caller);
		void previous(String packageName, in ControllerCallbackLink caller);
		void fastForward(String packageName, in ControllerCallbackLink caller);
		void rewind(String packageName, in ControllerCallbackLink caller);
		void seekTo(String packageName, in ControllerCallbackLink caller, long pos);
		void rate(String packageName, in ControllerCallbackLink caller, in Rating rating);
		void setPlaybackSpeed(String packageName, in ControllerCallbackLink caller, float speed);
		void sendCustomAction(String packageName, in ControllerCallbackLink caller,
		void skipToQueueItem(String packageName, in ISessionControllerCallback caller, long id);
		void pause(String packageName, in ISessionControllerCallback caller);
		void stop(String packageName, in ISessionControllerCallback caller);
		void next(String packageName, in ISessionControllerCallback caller);
		void previous(String packageName, in ISessionControllerCallback caller);
		void fastForward(String packageName, in ISessionControllerCallback caller);
		void rewind(String packageName, in ISessionControllerCallback caller);
		void seekTo(String packageName, in ISessionControllerCallback caller, long pos);
		void rate(String packageName, in ISessionControllerCallback caller, in Rating rating);
		void setPlaybackSpeed(String packageName, in ISessionControllerCallback caller, float speed);
		void sendCustomAction(String packageName, in ISessionControllerCallback caller,
		String action, in Bundle args);
		MediaMetadata getMetadata();
		PlaybackState getPlaybackState();

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

+8 −8

Original line number	Diff line number	Diff line
		@@ -25,14 +25,14 @@ import android.os.Bundle;
		* @hide
		*/
		oneway interface ISessionControllerCallback {
		void notifyEvent(String event, in Bundle extras);
		void notifySessionDestroyed();
		void onEvent(String event, in Bundle extras);
		void onSessionDestroyed();

		// These callbacks are for the TransportController
		void notifyPlaybackStateChanged(in PlaybackState state);
		void notifyMetadataChanged(in MediaMetadata metadata);
		void notifyQueueChanged(in MediaParceledListSlice queue);
		void notifyQueueTitleChanged(CharSequence title);
		void notifyExtrasChanged(in Bundle extras);
		void notifyVolumeInfoChanged(in MediaController.PlaybackInfo info);
		void onPlaybackStateChanged(in PlaybackState state);
		void onMetadataChanged(in MediaMetadata metadata);
		void onQueueChanged(in MediaParceledListSlice queue);
		void onQueueTitleChanged(CharSequence title);
		void onExtrasChanged(in Bundle extras);
		void onVolumeInfoChanged(in MediaController.PlaybackInfo info);
		}