content/browser/android/in_process_surface_texture_manager.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/browser/android/in_process_surface_texture_manager.h"
   6
   7 #include <android/native_window.h>
   8 #include <android/native_window_jni.h>
   9
  10 #include "base/android/jni_android.h"
  11 #include "base/containers/scoped_ptr_hash_map.h"
  12 #include "base/logging.h"
  13 #include "content/browser/media/android/browser_media_player_manager.h"
  14 #include "content/public/browser/browser_thread.h"
  15
  16 namespace content {
  17
  18 // static
  19 InProcessSurfaceTextureManager* InProcessSurfaceTextureManager::GetInstance() {
  20   return base::Singleton<
  21       InProcessSurfaceTextureManager,
  22       base::LeakySingletonTraits<InProcessSurfaceTextureManager>>::get();
  23 }
  24
  25 void InProcessSurfaceTextureManager::RegisterSurfaceTexture(
  26     int surface_texture_id,
  27     int client_id,
  28     gfx::SurfaceTexture* surface_texture) {
  29   base::AutoLock lock(lock_);
  30
  31   DCHECK(surface_textures_.find(surface_texture_id) == surface_textures_.end());
  32   surface_textures_.add(
  33       surface_texture_id,
  34       make_scoped_ptr(new gfx::ScopedJavaSurface(surface_texture)));
  35 }
  36
  37 void InProcessSurfaceTextureManager::UnregisterSurfaceTexture(
  38     int surface_texture_id,
  39     int client_id) {
  40   base::AutoLock lock(lock_);
  41
  42   DCHECK(surface_textures_.find(surface_texture_id) != surface_textures_.end());
  43   surface_textures_.erase(surface_texture_id);
  44 }
  45
  46 gfx::AcceleratedWidget
  47 InProcessSurfaceTextureManager::AcquireNativeWidgetForSurfaceTexture(
  48     int surface_texture_id) {
  49   base::AutoLock lock(lock_);
  50
  51   DCHECK(surface_textures_.find(surface_texture_id) != surface_textures_.end());
  52   JNIEnv* env = base::android::AttachCurrentThread();
  53   return ANativeWindow_fromSurface(
  54       env, surface_textures_.get(surface_texture_id)->j_surface().obj());
  55 }
  56
  57 void InProcessSurfaceTextureManager::EstablishSurfaceTexturePeer(
  58     base::ProcessHandle render_process_handle,
  59     scoped_refptr<gfx::SurfaceTexture> surface_texture,
  60     int render_frame_id,
  61     int player_id) {
  62   if (!surface_texture.get())
  63     return;
  64
  65   BrowserThread::PostTask(
  66       BrowserThread::UI, FROM_HERE,
  67       base::Bind(&BrowserMediaPlayerManager::SetSurfacePeer, surface_texture,
  68                  render_process_handle, render_frame_id, player_id));
  69 }
  70
  71 InProcessSurfaceTextureManager::InProcessSurfaceTextureManager() {
  72   SurfaceTexturePeer::InitInstance(this);
  73 }
  74
  75 InProcessSurfaceTextureManager::~InProcessSurfaceTextureManager() {
  76   SurfaceTexturePeer::InitInstance(nullptr);
  77 }
  78
  79 }  // namespace content