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// Copyright (c) 2009 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_CHROMEOS_GVIEW_REQUEST_INTERCEPTOR_H__
#define CHROME_BROWSER_CHROMEOS_GVIEW_REQUEST_INTERCEPTOR_H__
#pragma once
#include <string>
#include "base/hash_tables.h"
#include "net/url_request/url_request.h"
namespace chromeos {
// This class integrates the Google Document Viewer into ChromeOS,
// enabling the viewing of supported document types that the user
// clicks on. This class will intercept requests to supported
// document types (such as PDF) and redirect the request to the Google
// Document Viewer, including the document's original URL as a
// parameter.
class GViewRequestInterceptor : public URLRequest::Interceptor {
public:
GViewRequestInterceptor();
virtual ~GViewRequestInterceptor();
// Always returns NULL because we don't want to attempt a redirect
// before seeing the detected mime type of the request.
virtual URLRequestJob* MaybeIntercept(URLRequest* request);
// Determines if the requested document can be viewed by the Google
// Document Viewer. If it can, returns a URLRequestJob that
// redirects the browser to the view URL.
virtual URLRequestJob* MaybeInterceptResponse(URLRequest* request);
// Singleton accessor.
static URLRequest::Interceptor* GetGViewRequestInterceptor();
private:
// The list of supported mime types.
base::hash_set<std::string> supported_mime_types_;
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_GVIEW_REQUEST_INTERCEPTOR_H__
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