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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.
#ifndef CHROME_BROWSER_DOM_UI_FILEICON_SOURCE_H_
#define CHROME_BROWSER_DOM_UI_FILEICON_SOURCE_H_
#include <string>
#include "app/resource_bundle.h"
#include "chrome/browser/dom_ui/chrome_url_data_manager.h"
#include "chrome/browser/icon_manager.h"
class GURL;
// FileIconSource is the gateway between network-level chrome:
// requests for favicons and the history backend that serves these.
class FileIconSource : public ChromeURLDataManager::DataSource {
public:
explicit FileIconSource();
// Called when the network layer has requested a resource underneath
// the path we registered.
virtual void StartDataRequest(const std::string& path,
bool is_off_the_record,
int request_id);
virtual std::string GetMimeType(const std::string&) const {
// Rely on image decoder inferring the correct type.
return std::string();
}
// Called when favicon data is available from the history backend.
void OnFileIconDataAvailable(
IconManager::Handle request_handle,
SkBitmap* icon);
private:
virtual ~FileIconSource();
CancelableRequestConsumerT<int, 0> cancelable_consumer_;
// Raw PNG representation of the favicon to show when the favicon
// database doesn't have a favicon for a webpage.
scoped_refptr<RefCountedBytes> default_favicon_;
DISALLOW_COPY_AND_ASSIGN(FileIconSource);
};
#endif // CHROME_BROWSER_DOM_UI_FILEICON_SOURCE_H_
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