| // 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. |
| |
| #ifndef CONTENT_RENDERER_DEVTOOLS_DEVTOOLS_AGENT_FILTER_H_ |
| #define CONTENT_RENDERER_DEVTOOLS_DEVTOOLS_AGENT_FILTER_H_ |
| |
| #include <stdint.h> |
| |
| #include <set> |
| #include <string> |
| |
| #include "base/macros.h" |
| #include "ipc/message_filter.h" |
| |
| struct DevToolsMessageData; |
| |
| namespace base { |
| class MessageLoop; |
| class SingleThreadTaskRunner; |
| } |
| |
| namespace content { |
| |
| // DevToolsAgentFilter is registered as an IPC filter in order to be able to |
| // dispatch messages while on the IO thread. The reason for that is that while |
| // debugging, Render thread is being held by the v8 and hence no messages |
| // are being dispatched there. While holding the thread in a tight loop, |
| // v8 provides thread-safe Api for controlling debugger. In our case v8's Api |
| // is being used from this communication agent on the IO thread. |
| class DevToolsAgentFilter : public IPC::MessageFilter { |
| public: |
| // There is a single instance of this class instantiated by the RenderThread. |
| DevToolsAgentFilter(); |
| |
| static void SendRpcMessage(const DevToolsMessageData& data); |
| |
| // IPC::MessageFilter override. Called on IO thread. |
| bool OnMessageReceived(const IPC::Message& message) override; |
| |
| // Called on the main thread. |
| void AddEmbeddedWorkerRouteOnMainThread(int32_t routing_id); |
| void RemoveEmbeddedWorkerRouteOnMainThread(int32_t routing_id); |
| |
| protected: |
| ~DevToolsAgentFilter() override; |
| |
| private: |
| void OnDispatchOnInspectorBackend( |
| int session_id, |
| int call_id, |
| const std::string& method, |
| const std::string& message); |
| |
| // Called on IO thread |
| void AddEmbeddedWorkerRoute(int32_t routing_id); |
| void RemoveEmbeddedWorkerRoute(int32_t routing_id); |
| |
| base::MessageLoop* render_thread_loop_; |
| scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_; |
| int current_routing_id_; |
| |
| std::set<int32_t> embedded_worker_routes_; |
| |
| DISALLOW_COPY_AND_ASSIGN(DevToolsAgentFilter); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_RENDERER_DEVTOOLS_DEVTOOLS_AGENT_FILTER_H_ |