Move a bunch of html5 renderer code to content.

chrome/renderer/audio_message_filter.cc

-// Copyright (c) 2010 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 "chrome/renderer/audio_message_filter.h"
-
-#include "base/message_loop.h"
-#include "base/time.h"
-#include "chrome/common/render_messages.h"
-#include "chrome/common/render_messages_params.h"
-#include "ipc/ipc_logging.h"
-
-AudioMessageFilter::AudioMessageFilter(int32 route_id)
-    : channel_(NULL),
-      route_id_(route_id),
-      message_loop_(NULL) {
-}
-
-AudioMessageFilter::~AudioMessageFilter() {
-}
-
-// Called on the IPC thread.
-bool AudioMessageFilter::Send(IPC::Message* message) {
-  if (!channel_) {
-    delete message;
-    return false;
-  }
-
-  if (MessageLoop::current() != message_loop_) {
-    // Can only access the IPC::Channel on the IPC thread since it's not thread
-    // safe.
-    message_loop_->PostTask(
-        FROM_HERE, NewRunnableMethod(this, &AudioMessageFilter::Send, message));
-    return true;
-  }
-
-  message->set_routing_id(route_id_);
-  return channel_->Send(message);
-}
-
-bool AudioMessageFilter::OnMessageReceived(const IPC::Message& message) {
-  if (message.routing_id() != route_id_)
-    return false;
-
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(AudioMessageFilter, message)
-    IPC_MESSAGE_HANDLER(ViewMsg_RequestAudioPacket, OnRequestPacket)
-    IPC_MESSAGE_HANDLER(ViewMsg_NotifyAudioStreamCreated, OnStreamCreated)
-    IPC_MESSAGE_HANDLER(ViewMsg_NotifyLowLatencyAudioStreamCreated,
-                        OnLowLatencyStreamCreated)
-    IPC_MESSAGE_HANDLER(ViewMsg_NotifyAudioStreamStateChanged,
-                        OnStreamStateChanged)
-    IPC_MESSAGE_HANDLER(ViewMsg_NotifyAudioStreamVolume, OnStreamVolume)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void AudioMessageFilter::OnFilterAdded(IPC::Channel* channel) {
-  // Captures the message loop for IPC.
-  message_loop_ = MessageLoop::current();
-  channel_ = channel;
-}
-
-void AudioMessageFilter::OnFilterRemoved() {
-  channel_ = NULL;
-}
-
-void AudioMessageFilter::OnChannelClosing() {
-  channel_ = NULL;
-}
-
-void AudioMessageFilter::OnRequestPacket(const IPC::Message& msg,
-                                         int stream_id,
-                                         AudioBuffersState buffers_state) {
-  Delegate* delegate = delegates_.Lookup(stream_id);
-  if (!delegate) {
-    DLOG(WARNING) << "Got audio packet request for a non-existent or removed"
-        " audio renderer.";
-    return;
-  }
-
-  delegate->OnRequestPacket(buffers_state);
-}
-
-void AudioMessageFilter::OnStreamCreated(int stream_id,
-                                         base::SharedMemoryHandle handle,
-                                         uint32 length) {
-  Delegate* delegate = delegates_.Lookup(stream_id);
-  if (!delegate) {
-    DLOG(WARNING) << "Got audio stream event for a non-existent or removed"
-        " audio renderer.";
-    return;
-  }
-  delegate->OnCreated(handle, length);
-}
-
-void AudioMessageFilter::OnLowLatencyStreamCreated(
-    int stream_id,
-    base::SharedMemoryHandle handle,
-#if defined(OS_WIN)
-    base::SyncSocket::Handle socket_handle,
-#else
-    base::FileDescriptor socket_descriptor,
-#endif
-    uint32 length) {
-  Delegate* delegate = delegates_.Lookup(stream_id);
-  if (!delegate) {
-    DLOG(WARNING) << "Got audio stream event for a non-existent or removed"
-        " audio renderer.";
-    return;
-  }
-#if !defined(OS_WIN)
-  base::SyncSocket::Handle socket_handle = socket_descriptor.fd;
-#endif
-  delegate->OnLowLatencyCreated(handle, socket_handle, length);
-}
-
-void AudioMessageFilter::OnStreamStateChanged(
-    int stream_id,
-    const ViewMsg_AudioStreamState_Params& state) {
-  Delegate* delegate = delegates_.Lookup(stream_id);
-  if (!delegate) {
-    DLOG(WARNING) << "Got audio stream event for a non-existent or removed"
-        " audio renderer.";
-    return;
-  }
-  delegate->OnStateChanged(state);
-}
-
-void AudioMessageFilter::OnStreamVolume(int stream_id, double volume) {
-  Delegate* delegate = delegates_.Lookup(stream_id);
-  if (!delegate) {
-    DLOG(WARNING) << "Got audio stream event for a non-existent or removed"
-        " audio renderer.";
-    return;
-  }
-  delegate->OnVolume(volume);
-}
-
-int32 AudioMessageFilter::AddDelegate(Delegate* delegate) {
-  return delegates_.Add(delegate);
-}
-
-void AudioMessageFilter::RemoveDelegate(int32 id) {
-  delegates_.Remove(id);
-}