| // 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_ |