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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_BROWSER_FAVICON_FAVICON_HANDLER_DELEGATE_H_ | 5 #ifndef CHROME_BROWSER_FAVICON_FAVICON_HANDLER_DELEGATE_H_ |
6 #define CHROME_BROWSER_FAVICON_FAVICON_HANDLER_DELEGATE_H_ | 6 #define CHROME_BROWSER_FAVICON_FAVICON_HANDLER_DELEGATE_H_ |
7 | 7 |
8 class GURL; | 8 class GURL; |
9 | 9 |
10 namespace content { | 10 namespace content { |
11 class NavigationEntry; | 11 class NavigationEntry; |
12 } | 12 } |
13 | 13 |
14 // This class provides a delegate interface for a FaviconHandler. It allows the | 14 // This class provides a delegate interface for a FaviconHandler. It allows the |
15 // FaviconHandler to ask its delegate for information or notify its delegate | 15 // FaviconHandler to ask its delegate for information or notify its delegate |
16 // about changes. | 16 // about changes. |
17 class FaviconHandlerDelegate { | 17 class FaviconHandlerDelegate { |
18 public: | 18 public: |
19 virtual ~FaviconHandlerDelegate() { } | |
20 | |
21 // Returns the current NavigationEntry. | 19 // Returns the current NavigationEntry. |
22 virtual content::NavigationEntry* GetActiveEntry() = 0; | 20 virtual content::NavigationEntry* GetActiveEntry() = 0; |
23 | 21 |
24 // Starts the download for the given favicon. When finished, the delegate | 22 // Starts the download for the given favicon. When finished, the delegate |
25 // will call OnDidDownloadFavicon() with the results. | 23 // will call OnDidDownloadFavicon() with the results. |
26 // Returns the unique id of the download request. The id will be passed | 24 // Returns the unique id of the download request. The id will be passed |
27 // in OnDidDownloadFavicon(). | 25 // in OnDidDownloadFavicon(). |
28 virtual int StartDownload(const GURL& url, int image_size) = 0; | 26 virtual int StartDownload(const GURL& url, int image_size) = 0; |
29 | 27 |
30 // Notifies the delegate that the favicon for the active entry was updated. | 28 // Notifies the delegate that the favicon for the active entry was updated. |
31 virtual void NotifyFaviconUpdated() = 0; | 29 virtual void NotifyFaviconUpdated() = 0; |
32 }; | 30 }; |
33 | 31 |
34 #endif // CHROME_BROWSER_FAVICON_FAVICON_HANDLER_DELEGATE_H_ | 32 #endif // CHROME_BROWSER_FAVICON_FAVICON_HANDLER_DELEGATE_H_ |
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