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// Copyright (c) 2012 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/browser_plugin/browser_plugin_channel_manager.h"
#include "base/process_util.h"
#include "content/common/browser_plugin_messages.h"
#include "content/common/view_messages.h"
#include "content/renderer/browser_plugin/browser_plugin.h"
#include "content/renderer/browser_plugin/guest_to_embedder_channel.h"
#include "content/renderer/render_thread_impl.h"
#include "content/renderer/render_view_impl.h"
#include "ppapi/c/pp_instance.h"
namespace content {
BrowserPluginChannelManager::BrowserPluginChannelManager() {
}
BrowserPluginChannelManager::~BrowserPluginChannelManager() {
}
void BrowserPluginChannelManager::CreateRenderView(
const ViewMsg_New_Params& params) {
IPC::ChannelHandle embedder_channel_handle;
embedder_channel_handle.name =
IPC::Channel::GenerateVerifiedChannelID(params.embedder_channel_name);
bool success = true;
scoped_refptr<GuestToEmbedderChannel> channel =
GetChannelByName(params.embedder_channel_name);
if (!channel) {
channel = new GuestToEmbedderChannel(params.embedder_channel_name,
embedder_channel_handle.name);
success = channel->InitChannel(embedder_channel_handle);
#if defined(OS_POSIX)
// On POSIX, transfer ownership of the renderer-side (client) FD.
// This ensures this process will be notified when it is closed even if a
// connection is not established.
embedder_channel_handle.socket =
base::FileDescriptor(channel->TakeRendererFD(), true);
if (embedder_channel_handle.socket.fd == -1)
success = false;
#endif
DCHECK(success);
embedder_channels_[params.embedder_channel_name] = channel;
}
RenderViewImpl* render_view =
RenderViewImpl::Create(
params.parent_window,
params.opener_route_id,
params.renderer_preferences,
params.web_preferences,
new SharedRenderViewCounter(0),
params.view_id,
params.surface_id,
params.session_storage_namespace_id,
params.frame_name,
false,
params.swapped_out,
params.next_page_id,
params.screen_info,
channel,
params.accessibility_mode);
ReportChannelToEmbedder(render_view,
embedder_channel_handle,
params.embedder_channel_name,
params.embedder_container_id);
}
void BrowserPluginChannelManager::ReportChannelToEmbedder(
RenderViewImpl* render_view,
const IPC::ChannelHandle& embedder_channel_handle,
const std::string& embedder_channel_name,
int embedder_container_id) {
std::pair<std::string, int> pending_guests_key =
std::make_pair(embedder_channel_name, embedder_container_id);
DCHECK(pending_guests_.find(pending_guests_key) ==
pending_guests_.end());
pending_guests_[pending_guests_key] = render_view->AsWeakPtr();
RenderThreadImpl::current()->Send(
new BrowserPluginHostMsg_ConnectToChannel(render_view->GetRoutingID(),
embedder_channel_handle));
}
bool BrowserPluginChannelManager::OnControlMessageReceived(
const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(BrowserPluginChannelManager, message)
IPC_MESSAGE_HANDLER(BrowserPluginMsg_LoadGuest, OnLoadGuest)
IPC_MESSAGE_HANDLER(BrowserPluginMsg_AdvanceFocus, OnAdvanceFocus)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
GuestToEmbedderChannel* BrowserPluginChannelManager::GetChannelByName(
const std::string& embedder_channel_name) {
EmbedderChannelNameToChannelMap::iterator it =
embedder_channels_.find(embedder_channel_name);
if (it != embedder_channels_.end())
return it->second;
return NULL;
}
void BrowserPluginChannelManager::RemoveChannelByName(
const std::string& embedder_channel_name) {
embedder_channels_.erase(embedder_channel_name);
}
void BrowserPluginChannelManager::GuestReady(
PP_Instance instance,
const std::string& embedder_channel_name,
int embedder_container_id) {
std::pair<std::string, int> pending_guests_key =
make_pair(embedder_channel_name, embedder_container_id);
DCHECK(pending_guests_.find(pending_guests_key) !=
pending_guests_.end());
RenderViewImpl* render_view = pending_guests_[pending_guests_key];
pending_guests_.erase(pending_guests_key);
GuestToEmbedderChannel* channel = render_view->GetGuestToEmbedderChannel();
// Associate the RenderView with the provided PP_Instance ID, request the
// receipt of events, and initialize the graphics context.
channel->AddGuest(instance, render_view);
render_view->GuestReady(instance);
}
void BrowserPluginChannelManager::OnLoadGuest(
int instance_id,
int guest_process_id,
const IPC::ChannelHandle& channel_handle) {
BrowserPlugin* browser_plugin = BrowserPlugin::FromID(instance_id);
browser_plugin->LoadGuest(guest_process_id, channel_handle);
}
void BrowserPluginChannelManager::OnAdvanceFocus(int instance_id,
bool reverse) {
BrowserPlugin* browser_plugin = BrowserPlugin::FromID(instance_id);
browser_plugin->AdvanceFocus(reverse);
}
} // namespace content
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