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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_FAVICON_FAVICON_HANDLER_DELEGATE_H_
#define CHROME_BROWSER_FAVICON_FAVICON_HANDLER_DELEGATE_H_
class GURL;
namespace content {
class NavigationEntry;
}
// This class provides a delegate interface for a FaviconHandler. It allows the
// FaviconHandler to ask its delegate for information or notify its delegate
// about changes.
class FaviconHandlerDelegate {
public:
// Returns the current NavigationEntry.
virtual content::NavigationEntry* GetActiveEntry() = 0;
// Starts the download for the given favicon. When finished, the delegate
// will call OnDidDownloadFavicon() with the results.
// Returns the unique id of the download request. The id will be passed
// in OnDidDownloadFavicon().
virtual int StartDownload(const GURL& url, int image_size) = 0;
// Notifies the delegate that the favicon for the active entry was updated.
// |icon_url_changed| is true if a favicon with a different icon URL has
// been selected since the previous call to NotifyFaviconUpdated().
virtual void NotifyFaviconUpdated(bool icon_url_changed) = 0;
};
#endif // CHROME_BROWSER_FAVICON_FAVICON_HANDLER_DELEGATE_H_
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