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// Copyright (c) 2006-2008 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.
// MessageFilter object to handle messages aimed at the debugger, and to
// dispatch them from the main thread rather than the render thread.
// Also owns the reference to the Debugger object and handles callbacks from it.
#ifndef CHROME_RENDERER_DEBUG_MESSAGE_HANDLER_H_
#define CHROME_RENDERER_DEBUG_MESSAGE_HANDLER_H_
#include "chrome/common/ipc_channel_proxy.h"
#include "webkit/glue/debugger_bridge.h"
class RenderView;
class DebugMessageHandler : public IPC::ChannelProxy::MessageFilter,
public DebuggerBridge::Delegate {
public:
DebugMessageHandler(RenderView* view);
virtual ~DebugMessageHandler();
private:
// Evaluate javascript URL in the renderer
void EvaluateScript(const std::wstring& script);
// Attach in the renderer
void Attach();
// Debugger::Delegate callback method to handle debugger output.
void DebuggerOutput(const std::wstring& out);
// Schedule a debugger break.
void OnBreak(bool force);
// Sends a command to the debugger.
void OnCommand(const std::wstring& cmd);
// Sends an attach event to the debugger front-end.
void OnAttach();
// Unregister with V8 and notify the RenderView.
void OnDetach();
virtual void OnFilterAdded(IPC::Channel* channel);
virtual void OnFilterRemoved();
// Returns true to indicate that the message was handled, or false to let
// the message be handled in the default way.
virtual bool OnMessageReceived(const IPC::Message& message);
scoped_refptr<DebuggerBridge> debugger_;
// Don't ever dereference view_ directly from another thread as it's not
// threadsafe, instead proxy locally via its MessageLoop.
RenderView* view_;
MessageLoop* view_loop_;
int32 view_routing_id_;
IPC::Channel* channel_;
};
#endif // CHROME_RENDERER_DEBUG_MESSAGE_HANDLER_H_
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