| // Copyright 2016 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 COMPONENTS_READING_LIST_IOS_FAVICON_WEB_STATE_DISPATCHER_H_ |
| #define COMPONENTS_READING_LIST_IOS_FAVICON_WEB_STATE_DISPATCHER_H_ |
| |
| namespace web { |
| class WebState; |
| } |
| |
| namespace reading_list { |
| |
| // Dispatcher for WebState having a Favicon Driver, with BookmarkModel and |
| // HistoryService attached, as observer. After a WebState is returned, the |
| // dispatcher keeps it alive long enough for it to download the favicons. |
| class FaviconWebStateDispatcher { |
| public: |
| FaviconWebStateDispatcher() {} |
| virtual ~FaviconWebStateDispatcher() {} |
| // Returns a WebState with a Favicon Driver attached. |
| virtual std::unique_ptr<web::WebState> RequestWebState() = 0; |
| // Called to return a WebState. The WebState should not be used after being |
| // returned. |
| virtual void ReturnWebState(std::unique_ptr<web::WebState> web_state) = 0; |
| |
| // Releases all the WebState currently retained for favicon fetching. |
| virtual void ReleaseAll() = 0; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(FaviconWebStateDispatcher); |
| }; |
| |
| } // namespace reading_list |
| |
| #endif // COMPONENTS_READING_LIST_IOS_FAVICON_WEB_STATE_DISPATCHER_H_ |