| // Copyright 2019 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef IOS_CHROME_BROWSER_UI_OMNIBOX_POPUP_FAVICON_RETRIEVER_H_ |
| #define IOS_CHROME_BROWSER_UI_OMNIBOX_POPUP_FAVICON_RETRIEVER_H_ |
| |
| class GURL; |
| |
| /// A favicon retriever. |
| /// This protocol is intended to be used in Showcase, abstracting out the actual |
| /// favicon retrieving logic from the View layer. |
| @protocol FaviconRetriever <NSObject> |
| /// Fetches favicon given a page URL. |
| /// `completion` is guaranteed to only be called on main thread, but could be |
| /// called at any time, even before this returns. |
| /// It might never be called if the favicon is not available. |
| /// It might be called multiple times per request. |
| - (void)fetchFavicon:(GURL)pageURL completion:(void (^)(UIImage*))completion; |
| @end |
| |
| #endif // IOS_CHROME_BROWSER_UI_OMNIBOX_POPUP_FAVICON_RETRIEVER_H_ |
