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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_TAB_HELPER_H_ | 5 #ifndef CHROME_BROWSER_FAVICON_FAVICON_TAB_HELPER_H_ |
| 6 #define CHROME_BROWSER_FAVICON_FAVICON_TAB_HELPER_H_ | 6 #define CHROME_BROWSER_FAVICON_FAVICON_TAB_HELPER_H_ |
| 7 | 7 |
| 8 #include <vector> | 8 #include <vector> |
| 9 | 9 |
| 10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
| 11 #include "base/callback.h" | 11 #include "base/callback.h" |
| 12 #include "components/favicon/core/browser/favicon_client.h" | 12 #include "components/favicon/core/browser/favicon_client.h" |
| 13 #include "components/favicon/core/favicon_handler_delegate.h" | 13 #include "components/favicon/core/favicon_driver.h" |
| 14 #include "content/public/browser/web_contents_observer.h" | 14 #include "content/public/browser/web_contents_observer.h" |
| 15 #include "content/public/browser/web_contents_user_data.h" | 15 #include "content/public/browser/web_contents_user_data.h" |
| 16 #include "content/public/common/favicon_url.h" | 16 #include "content/public/common/favicon_url.h" |
| 17 | 17 |
| 18 namespace gfx { | 18 namespace gfx { |
| 19 class Image; | 19 class Image; |
| 20 } | 20 } |
| 21 | 21 |
| 22 class GURL; | 22 class GURL; |
| 23 class FaviconHandler; | 23 class FaviconHandler; |
| 24 class Profile; | 24 class Profile; |
| 25 class SkBitmap; | 25 class SkBitmap; |
| 26 | 26 |
| 27 // FaviconTabHelper works with FaviconHandlers to fetch the favicons. | 27 // FaviconTabHelper works with FaviconHandlers to fetch the favicons. |
| 28 // | 28 // |
| 29 // FetchFavicon fetches the given page's icons. It requests the icons from the | 29 // FetchFavicon fetches the given page's icons. It requests the icons from the |
| 30 // history backend. If the icon is not available or expired, the icon will be | 30 // history backend. If the icon is not available or expired, the icon will be |
| 31 // downloaded and saved in the history backend. | 31 // downloaded and saved in the history backend. |
| 32 // | 32 // |
| 33 class FaviconTabHelper : public content::WebContentsObserver, | 33 class FaviconTabHelper : public content::WebContentsObserver, |
| 34 public FaviconClient, | 34 public FaviconClient, |
| 35 public FaviconHandlerDelegate, | 35 public FaviconDriver, |
| 36 public content::WebContentsUserData<FaviconTabHelper> { | 36 public content::WebContentsUserData<FaviconTabHelper> { |
| 37 public: | 37 public: |
| 38 virtual ~FaviconTabHelper(); | 38 virtual ~FaviconTabHelper(); |
| 39 | 39 |
| 40 // Initiates loading the favicon for the specified url. | 40 // Initiates loading the favicon for the specified url. |
| 41 void FetchFavicon(const GURL& url); | 41 void FetchFavicon(const GURL& url); |
| 42 | 42 |
| 43 // Returns the favicon for this tab, or IDR_DEFAULT_FAVICON if the tab does | 43 // Returns the favicon for this tab, or IDR_DEFAULT_FAVICON if the tab does |
| 44 // not have a favicon. The default implementation uses the current navigation | 44 // not have a favicon. The default implementation uses the current navigation |
| 45 // entry. This will return an empty bitmap if there are no navigation | 45 // entry. This will return an empty bitmap if there are no navigation |
| (...skipping 15 matching lines...) Expand all Loading... |
| 61 | 61 |
| 62 // content::WebContentsObserver override. Must be public, because also | 62 // content::WebContentsObserver override. Must be public, because also |
| 63 // called from PrerenderContents. | 63 // called from PrerenderContents. |
| 64 virtual void DidUpdateFaviconURL( | 64 virtual void DidUpdateFaviconURL( |
| 65 int32 page_id, | 65 int32 page_id, |
| 66 const std::vector<content::FaviconURL>& candidates) OVERRIDE; | 66 const std::vector<content::FaviconURL>& candidates) OVERRIDE; |
| 67 | 67 |
| 68 // Saves the favicon for the current page. | 68 // Saves the favicon for the current page. |
| 69 void SaveFavicon(); | 69 void SaveFavicon(); |
| 70 | 70 |
| 71 // FaviconHandlerDelegate methods. | 71 // FaviconDriver methods. |
| 72 virtual content::NavigationEntry* GetActiveEntry() OVERRIDE; | 72 virtual content::NavigationEntry* GetActiveEntry() OVERRIDE; |
| 73 virtual int StartDownload(const GURL& url, int max_bitmap_size) OVERRIDE; | 73 virtual int StartDownload(const GURL& url, int max_bitmap_size) OVERRIDE; |
| 74 virtual void NotifyFaviconUpdated(bool icon_url_changed) OVERRIDE; | 74 virtual void NotifyFaviconUpdated(bool icon_url_changed) OVERRIDE; |
| 75 virtual bool IsOffTheRecord() OVERRIDE; | 75 virtual bool IsOffTheRecord() OVERRIDE; |
| 76 | 76 |
| 77 // Favicon download callback. | 77 // Favicon download callback. |
| 78 void DidDownloadFavicon( | 78 void DidDownloadFavicon( |
| 79 int id, | 79 int id, |
| 80 int http_status_code, | 80 int http_status_code, |
| 81 const GURL& image_url, | 81 const GURL& image_url, |
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| 105 scoped_ptr<FaviconHandler> favicon_handler_; | 105 scoped_ptr<FaviconHandler> favicon_handler_; |
| 106 | 106 |
| 107 // Handles downloading touchicons. It is NULL if | 107 // Handles downloading touchicons. It is NULL if |
| 108 // browser_defaults::kEnableTouchIcon is false. | 108 // browser_defaults::kEnableTouchIcon is false. |
| 109 scoped_ptr<FaviconHandler> touch_icon_handler_; | 109 scoped_ptr<FaviconHandler> touch_icon_handler_; |
| 110 | 110 |
| 111 DISALLOW_COPY_AND_ASSIGN(FaviconTabHelper); | 111 DISALLOW_COPY_AND_ASSIGN(FaviconTabHelper); |
| 112 }; | 112 }; |
| 113 | 113 |
| 114 #endif // CHROME_BROWSER_FAVICON_FAVICON_TAB_HELPER_H_ | 114 #endif // CHROME_BROWSER_FAVICON_FAVICON_TAB_HELPER_H_ |
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