| // Copyright 2019 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 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 asynchronously on main thread. |
| // 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_ |
