blob: 018a5d618fde11441e4c77044caf6dd50331a58b [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <jni.h>
#include "base/android/scoped_java_ref.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
namespace base {
class SingleThreadTaskRunner;
namespace media {
class MediaPlayerAndroid;
// Acts as a thread proxy between java MediaPlayerListener object and
// MediaPlayerAndroid so that callbacks are posted onto the UI thread.
class MediaPlayerListener {
// Construct a native MediaPlayerListener object. Callbacks from the java
// side object will be forwarded to |media_player| by posting a task on the
// |task_runner|.
const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
base::WeakPtr<MediaPlayerAndroid> media_player);
virtual ~MediaPlayerListener();
// Called by the Java MediaPlayerListener and mirrored to corresponding
// callbacks.
void OnMediaError(JNIEnv* /* env */, jobject /* obj */, jint error_type);
void OnVideoSizeChanged(JNIEnv* /* env */, jobject /* obj */,
jint width, jint height);
void OnBufferingUpdate(JNIEnv* /* env */, jobject /* obj */, jint percent);
void OnPlaybackComplete(JNIEnv* /* env */, jobject /* obj */);
void OnSeekComplete(JNIEnv* /* env */, jobject /* obj */);
void OnMediaPrepared(JNIEnv* /* env */, jobject /* obj */);
void OnMediaInterrupted(JNIEnv* /* env */, jobject /* obj */);
// Create a Java MediaPlayerListener object and listens to all the media
// related events from system and |media_player|. If |media_player| is NULL,
// this class only listens to system events.
void CreateMediaPlayerListener(jobject context, jobject media_player);
void ReleaseMediaPlayerListenerResources();
// Register MediaPlayerListener in the system library loader.
static bool RegisterMediaPlayerListener(JNIEnv* env);
// The message loop where |media_player_| lives.
scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
// The MediaPlayerAndroid object all the callbacks should be sent to.
base::WeakPtr<MediaPlayerAndroid> media_player_;
base::android::ScopedJavaGlobalRef<jobject> j_media_player_listener_;
} // namespace media