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// Copyright 2014 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/mojo/mojo_render_process_observer.h"
#include "base/message_loop/message_loop.h"
#include "content/child/child_process.h"
#include "content/common/mojo/mojo_messages.h"
#include "content/public/renderer/render_thread.h"
#include "content/public/renderer/render_view.h"
#include "content/renderer/web_ui_mojo.h"
#include "mojo/common/mojo_channel_init.h"
namespace content {
MojoRenderProcessObserver::MojoRenderProcessObserver(
RenderThread* render_thread)
: render_thread_(render_thread) {
render_thread_->AddObserver(this);
}
bool MojoRenderProcessObserver::OnControlMessageReceived(
const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(MojoRenderProcessObserver, message)
IPC_MESSAGE_HANDLER(MojoMsg_ChannelCreated, OnChannelCreated)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void MojoRenderProcessObserver::OnRenderProcessShutdown() {
delete this;
}
MojoRenderProcessObserver::~MojoRenderProcessObserver() {
render_thread_->RemoveObserver(this);
}
void MojoRenderProcessObserver::OnChannelCreated(
const IPC::PlatformFileForTransit& file) {
#if defined(OS_POSIX)
base::PlatformFile handle = file.fd;
#elif defined(OS_WIN)
base::PlatformFile handle = file;
#endif
DCHECK(!channel_init_.get());
channel_init_.reset(new mojo::common::MojoChannelInit);
channel_init_->Init(handle, ChildProcess::current()->io_message_loop_proxy());
if (!channel_init_->is_handle_valid())
return;
ScopedRenderProcessHostMojoHandle render_process_host_handle(
RenderProcessHostMojoHandle(
channel_init_->bootstrap_message_pipe().release().value()));
render_process_host_mojo_.reset(render_process_host_handle.Pass(), this);
}
void MojoRenderProcessObserver::SetWebUIHandle(
int32 view_routing_id,
mojo::ScopedMessagePipeHandle web_ui_handle) {
RenderView* render_view = RenderView::FromRoutingID(view_routing_id);
if (!render_view)
return;
WebUIMojo* web_ui_mojo = WebUIMojo::Get(render_view);
if (!web_ui_mojo)
return;
web_ui_mojo->SetBrowserHandle(web_ui_handle.Pass());
}
} // namespace content
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