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      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
     92