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// Copyright (c) 2012 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_UI_WEBUI_FILEICON_SOURCE_H_
#define CHROME_BROWSER_UI_WEBUI_FILEICON_SOURCE_H_
#pragma once
#include <string>
#include "base/file_path.h"
#include "chrome/browser/icon_manager.h"
#include "chrome/browser/ui/webui/chrome_url_data_manager.h"
namespace gfx {
class Image;
}
// 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_incognito,
int request_id) OVERRIDE;
virtual std::string GetMimeType(const std::string&) const OVERRIDE;
// Called when favicon data is available from the history backend.
void OnFileIconDataAvailable(
IconManager::Handle request_handle,
gfx::Image* icon);
protected:
virtual ~FileIconSource();
// Once the |path| and |icon_size| has been determined from the request, this
// function is called to perform the actual fetch. Declared as virtual for
// testing.
virtual void FetchFileIcon(const FilePath& path,
IconLoader::IconSize icon_size,
int request_id);
private:
CancelableRequestConsumerT<int, 0> cancelable_consumer_;
DISALLOW_COPY_AND_ASSIGN(FileIconSource);
};
#endif // CHROME_BROWSER_UI_WEBUI_FILEICON_SOURCE_H_
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