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// Copyright (c) 2011 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 CHROME_BROWSER_EXTENSIONS_EXTENSION_MESSAGE_HANDLER_H_
#define CHROME_BROWSER_EXTENSIONS_EXTENSION_MESSAGE_HANDLER_H_
#pragma once
#include "content/browser/renderer_host/render_view_host_observer.h"
class Profile;
struct ExtensionHostMsg_DomMessage_Params;
// Filters and dispatches extension-related IPC messages that arrive from
// renderer/extension processes. This object is created for renderers and also
// ExtensionHost/BackgroundContents. Contrast this with ExtensionTabHelper,
// which is only created for TabContents.
class ExtensionMessageHandler : public RenderViewHostObserver {
public:
// |sender| is guaranteed to outlive this object.
explicit ExtensionMessageHandler(RenderViewHost* render_view_host);
virtual ~ExtensionMessageHandler();
// RenderViewHostObserver overrides.
virtual bool OnMessageReceived(const IPC::Message& message);
private:
// Message handlers.
void OnPostMessage(int port_id, const std::string& message);
void OnRequest(const ExtensionHostMsg_DomMessage_Params& params);
DISALLOW_COPY_AND_ASSIGN(ExtensionMessageHandler);
};
#endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_MESSAGE_HANDLER_H_
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