blob: 7380245c083fd60803386e2195df3ced59e2bf7e [file] [log] [blame]
// 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.
#ifndef CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_MESSAGE_FILTER_H_
#define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_MESSAGE_FILTER_H_
#include "content/common/frame_replication_state.h"
#include "content/public/browser/browser_message_filter.h"
namespace content {
class RenderWidgetHelper;
// RenderFrameMessageFilter intercepts FrameHost messages on the IO thread
// that require low-latency processing. The canonical example of this is
// child-frame creation which is a sync IPC that provides the renderer
// with the routing id for a newly created RenderFrame.
//
// This object is created on the UI thread and used on the IO thread.
class RenderFrameMessageFilter : public BrowserMessageFilter {
public:
RenderFrameMessageFilter(int render_process_id,
RenderWidgetHelper* render_widget_helper);
bool OnMessageReceived(const IPC::Message& message) override;
private:
~RenderFrameMessageFilter() override;
void OnCreateChildFrame(int parent_routing_id,
const std::string& frame_name,
SandboxFlags sandbox_flags,
int* new_render_frame_id);
const int render_process_id_;
// Needed for issuing routing ids and surface ids.
scoped_refptr<RenderWidgetHelper> render_widget_helper_;
};
} // namespace content
#endif // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_MESSAGE_FILTER_H_