Fullscreen video in Android WebView

content/renderer/media/android/stream_texture_factory_android.cc

-// Copyright 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.
-
-#include "content/renderer/media/android/stream_texture_factory_android.h"
-
-#include "content/common/gpu/client/gpu_channel_host.h"
-#include "content/common/gpu/gpu_messages.h"
-#include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
-#include "ui/gfx/size.h"
-
-namespace content {
-
-StreamTextureProxy::StreamTextureProxy(StreamTextureHost* host)
-    : host_(host), client_(NULL) {
-  host->SetListener(this);
-}
-
-StreamTextureProxy::~StreamTextureProxy() {}
-
-void StreamTextureProxy::Release() {
-  SetClient(NULL);
-  if (loop_.get() && loop_.get() != base::MessageLoopProxy::current())
-    loop_->DeleteSoon(FROM_HERE, this);
-  else
-    delete this;
-}
-
-void StreamTextureProxy::SetClient(cc::VideoFrameProvider::Client* client) {
-  base::AutoLock lock(client_lock_);
-  client_ = client;
-}
-
-void StreamTextureProxy::BindToCurrentThread(int stream_id) {
-  loop_ = base::MessageLoopProxy::current();
-  host_->Initialize(stream_id);
-}
-
-void StreamTextureProxy::OnFrameAvailable() {
-  base::AutoLock lock(client_lock_);
-  if (client_)
-    client_->DidReceiveFrame();
-}
-
-void StreamTextureProxy::OnMatrixChanged(const float matrix[16]) {
-  base::AutoLock lock(client_lock_);
-  if (client_)
-    client_->DidUpdateMatrix(matrix);
-}
-
-StreamTextureFactory::StreamTextureFactory(
-    WebKit::WebGraphicsContext3D* context,
-    GpuChannelHost* channel,
-    int view_id)
-    : context_(context), channel_(channel), view_id_(view_id) {
-  DCHECK(context_);
-  DCHECK(channel);
-}
-
-StreamTextureFactory::~StreamTextureFactory() {}
-
-StreamTextureProxy* StreamTextureFactory::CreateProxy() {
-  DCHECK(channel_.get());
-  StreamTextureHost* host = new StreamTextureHost(channel_.get());
-  return new StreamTextureProxy(host);
-}
-
-void StreamTextureFactory::EstablishPeer(int32 stream_id, int player_id) {
-  DCHECK(channel_.get());
-  channel_->Send(
-      new GpuChannelMsg_EstablishStreamTexture(stream_id, view_id_, player_id));
-}
-
-unsigned StreamTextureFactory::CreateStreamTexture(
-    unsigned texture_target,
-    unsigned* texture_id,
-    gpu::Mailbox* texture_mailbox,
-    unsigned* texture_mailbox_sync_point) {
-  unsigned stream_id = 0;
-  if (context_->makeContextCurrent()) {
-    *texture_id = context_->createTexture();
-    stream_id = context_->createStreamTextureCHROMIUM(*texture_id);
-
-    context_->genMailboxCHROMIUM(texture_mailbox->name);
-    context_->bindTexture(texture_target, *texture_id);
-    context_->produceTextureCHROMIUM(texture_target, texture_mailbox->name);
-
-    context_->flush();
-    *texture_mailbox_sync_point = context_->insertSyncPoint();
-  }
-  return stream_id;
-}
-
-void StreamTextureFactory::DestroyStreamTexture(unsigned texture_id) {
-  if (context_->makeContextCurrent()) {
-    // TODO(sievers): Make the destroyStreamTexture implicit when the last
-    // texture referencing it is lost.
-    context_->destroyStreamTextureCHROMIUM(texture_id);
-    context_->deleteTexture(texture_id);
-    context_->flush();
-  }
-}
-
-void StreamTextureFactory::SetStreamTextureSize(
-    int32 stream_id, const gfx::Size& size) {
-  channel_->Send(new GpuChannelMsg_SetStreamTextureSize(stream_id, size));
-}
-
-}  // namespace content