content/browser/android/surface_texture_peer_browser_impl.cc

   1 // Copyright (c) 2012 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/surface_texture_peer_browser_impl.h"
   6
   7 #include "content/browser/frame_host/render_frame_host_impl.h"
   8 #include "content/browser/media/android/browser_media_player_manager.h"
   9 #include "content/browser/media/media_web_contents_observer.h"
  10 #include "content/browser/renderer_host/render_view_host_impl.h"
  11 #include "content/public/browser/browser_thread.h"
  12 #include "content/public/browser/render_process_host.h"
  13 #include "media/base/android/media_player_android.h"
  14 #include "ui/gl/android/scoped_java_surface.h"
  15
  16 namespace content {
  17
  18 namespace {
  19
  20 // Pass a java surface object to the MediaPlayerAndroid object
  21 // identified by render process handle, render frame ID and player ID.
  22 static void SetSurfacePeer(
  23     scoped_refptr<gfx::SurfaceTexture> surface_texture,
  24     base::ProcessHandle render_process_handle,
  25     int render_frame_id,
  26     int player_id) {
  27   int render_process_id = 0;
  28   RenderProcessHost::iterator it = RenderProcessHost::AllHostsIterator();
  29   while (!it.IsAtEnd()) {
  30     if (it.GetCurrentValue()->GetHandle() == render_process_handle) {
  31       render_process_id = it.GetCurrentValue()->GetID();
  32       break;
  33     }
  34     it.Advance();
  35   }
  36   if (!render_process_id) {
  37     DVLOG(1) << "Cannot find render process for render_process_handle "
  38              << render_process_handle;
  39     return;
  40   }
  41
  42   RenderFrameHostImpl* frame =
  43       RenderFrameHostImpl::FromID(render_process_id, render_frame_id);
  44   if (!frame) {
  45     DVLOG(1) << "Cannot find frame for render_frame_id " << render_frame_id;
  46     return;
  47   }
  48
  49   RenderViewHostImpl* view =
  50       static_cast<RenderViewHostImpl*>(frame->GetRenderViewHost());
  51   BrowserMediaPlayerManager* player_manager =
  52       view->media_web_contents_observer()->GetMediaPlayerManager(frame);
  53   if (!player_manager) {
  54     DVLOG(1) << "Cannot find the media player manager for frame " << frame;
  55     return;
  56   }
  57
  58   media::MediaPlayerAndroid* player = player_manager->GetPlayer(player_id);
  59   if (!player) {
  60     DVLOG(1) << "Cannot find media player for player_id " << player_id;
  61     return;
  62   }
  63
  64   if (player != player_manager->GetFullscreenPlayer()) {
  65     gfx::ScopedJavaSurface scoped_surface(surface_texture);
  66     player->SetVideoSurface(scoped_surface.Pass());
  67   }
  68 }
  69
  70 }  // anonymous namespace
  71
  72 SurfaceTexturePeerBrowserImpl::SurfaceTexturePeerBrowserImpl() {
  73 }
  74
  75 SurfaceTexturePeerBrowserImpl::~SurfaceTexturePeerBrowserImpl() {
  76 }
  77
  78 void SurfaceTexturePeerBrowserImpl::EstablishSurfaceTexturePeer(
  79     base::ProcessHandle render_process_handle,
  80     scoped_refptr<gfx::SurfaceTexture> surface_texture,
  81     int render_frame_id,
  82     int player_id) {
  83   if (!surface_texture.get())
  84     return;
  85
  86   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, base::Bind(
  87       &SetSurfacePeer, surface_texture, render_process_handle,
  88       render_frame_id, player_id));
  89 }
  90
  91 }  // namespace content