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 Singleton<InProcessSurfaceTextureManager,
  21                    LeakySingletonTraits<InProcessSurfaceTextureManager>>::get();
  22 }
  23
  24 void InProcessSurfaceTextureManager::RegisterSurfaceTexture(
  25     int surface_texture_id,
  26     int client_id,
  27     gfx::SurfaceTexture* surface_texture) {
  28   base::AutoLock lock(lock_);
  29
  30   DCHECK(surface_textures_.find(surface_texture_id) == surface_textures_.end());
  31   surface_textures_.add(
  32       surface_texture_id,
  33       make_scoped_ptr(new gfx::ScopedJavaSurface(surface_texture)));
  34 }
  35
  36 void InProcessSurfaceTextureManager::UnregisterSurfaceTexture(
  37     int surface_texture_id,
  38     int client_id) {
  39   base::AutoLock lock(lock_);
  40
  41   DCHECK(surface_textures_.find(surface_texture_id) != surface_textures_.end());
  42   surface_textures_.erase(surface_texture_id);
  43 }
  44
  45 gfx::AcceleratedWidget
  46 InProcessSurfaceTextureManager::AcquireNativeWidgetForSurfaceTexture(
  47     int surface_texture_id) {
  48   base::AutoLock lock(lock_);
  49
  50   DCHECK(surface_textures_.find(surface_texture_id) != surface_textures_.end());
  51   JNIEnv* env = base::android::AttachCurrentThread();
  52   return ANativeWindow_fromSurface(
  53       env, surface_textures_.get(surface_texture_id)->j_surface().obj());
  54 }
  55
  56 void InProcessSurfaceTextureManager::EstablishSurfaceTexturePeer(
  57     base::ProcessHandle render_process_handle,
  58     scoped_refptr<gfx::SurfaceTexture> surface_texture,
  59     int render_frame_id,
  60     int player_id) {
  61   if (!surface_texture.get())
  62     return;
  63
  64   BrowserThread::PostTask(
  65       BrowserThread::UI, FROM_HERE,
  66       base::Bind(&BrowserMediaPlayerManager::SetSurfacePeer, surface_texture,
  67                  render_process_handle, render_frame_id, player_id));
  68 }
  69
  70 InProcessSurfaceTextureManager::InProcessSurfaceTextureManager() {
  71   SurfaceTexturePeer::InitInstance(this);
  72 }
  73
  74 InProcessSurfaceTextureManager::~InProcessSurfaceTextureManager() {
  75   SurfaceTexturePeer::InitInstance(nullptr);
  76 }
  77
  78 }  // namespace content