1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef COMPONENTS_FAVICON_CORE_FAVICON_DRIVER_H_
6 #define COMPONENTS_FAVICON_CORE_FAVICON_DRIVER_H_
11 // TODO(jif): Abstract the NavigationEntry (crbug.com/359598).
12 class NavigationEntry;
15 // Interface that allows Favicon core code to interact with its driver (i.e.,
16 // obtain information from it and give information to it). A concrete
17 // implementation must be provided by the driver.
20 // Returns the current NavigationEntry.
21 // TODO(jif): Abstract the NavigationEntry (crbug.com/359598).
22 virtual content::NavigationEntry* GetActiveEntry() = 0;
24 // Starts the download for the given favicon. When finished, the driver
25 // will call OnDidDownloadFavicon() with the results.
26 // Returns the unique id of the download request. The id will be passed
27 // in OnDidDownloadFavicon().
28 // Bitmaps with pixel sizes larger than |max_bitmap_size| are filtered out
29 // from the bitmap results. If there are no bitmap results <=
30 // |max_bitmap_size|, the smallest bitmap is resized to |max_bitmap_size| and
31 // is the only result. A |max_bitmap_size| of 0 means unlimited.
32 virtual int StartDownload(const GURL& url, int max_bitmap_size) = 0;
34 // Notifies the driver that the favicon for the active entry was updated.
35 // |icon_url_changed| is true if a favicon with a different icon URL has
36 // been selected since the previous call to NotifyFaviconUpdated().
37 virtual void NotifyFaviconUpdated(bool icon_url_changed) = 0;
39 // Returns whether the user is operating in an off-the-record context.
40 virtual bool IsOffTheRecord() = 0;
43 #endif // COMPONENTS_FAVICON_CORE_FAVICON_DRIVER_H_