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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// 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.h"
class RenderView;
class DebugMessageHandler : public IPC::ChannelProxy::MessageFilter,
public Debugger::Delegate {
public:
DebugMessageHandler(RenderView* view);
virtual ~DebugMessageHandler();
private:
// evaluate javascript URL in the renderer
void EvaluateScriptUrl(const std::wstring& url);
// Debugger::Delegate callback method to handle debugger output.
void DebuggerOutput(const std::wstring& out);
// Sends a command to the debugger.
void OnSendToDebugger(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<Debugger> 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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