| // Copyright (c) 2013 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. |
| |
| #ifndef UI_GL_ANDROID_SURFACE_TEXTURE_LISTENER_H_ |
| #define UI_GL_ANDROID_SURFACE_TEXTURE_LISTENER_H_ |
| |
| #include <jni.h> |
| |
| #include "base/android/scoped_java_ref.h" |
| #include "base/callback.h" |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/sequenced_task_runner_helpers.h" |
| #include "ui/gl/gl_export.h" |
| |
| namespace base { |
| class SingleThreadTaskRunner; |
| } |
| |
| namespace gl { |
| |
| // Listener class for all the callbacks from android SurfaceTexture. |
| class GL_EXPORT SurfaceTextureListener { |
| public: |
| // Destroy this listener. |
| void Destroy(JNIEnv* env, const base::android::JavaParamRef<jobject>& obj); |
| |
| // A new frame is available to consume. |
| void FrameAvailable(JNIEnv* env, |
| const base::android::JavaParamRef<jobject>& obj); |
| |
| private: |
| friend class base::DeleteHelper<SurfaceTextureListener>; |
| |
| // Native code should not hold any reference to this object, and instead pass |
| // it up to Java for being referenced by a SurfaceTexture instance. |
| // If use_any_thread is true, then the FrameAvailable callback will happen |
| // on whatever thread calls us. Otherwise, we will call it back on the same |
| // thread that was used to construct us. |
| SurfaceTextureListener(const base::Closure& callback, bool use_any_thread); |
| ~SurfaceTextureListener(); |
| |
| friend class SurfaceTexture; |
| |
| base::Closure callback_; |
| |
| scoped_refptr<base::SingleThreadTaskRunner> browser_loop_; |
| |
| bool use_any_thread_; |
| |
| DISALLOW_IMPLICIT_CONSTRUCTORS(SurfaceTextureListener); |
| }; |
| |
| } // namespace gl |
| |
| #endif // UI_GL_ANDROID_SURFACE_TEXTURE_LISTENER_H_ |