| // Copyright 2015 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_FAVICON_IOS_WEB_FAVICON_DRIVER_H_ |
| #define COMPONENTS_FAVICON_IOS_WEB_FAVICON_DRIVER_H_ |
| |
| #include "base/macros.h" |
| #include "components/favicon/core/favicon_driver_impl.h" |
| #import "components/image_fetcher/ios/ios_image_data_fetcher_wrapper.h" |
| #include "ios/web/public/web_state/web_state_observer.h" |
| #include "ios/web/public/web_state/web_state_user_data.h" |
| |
| namespace web { |
| class WebState; |
| } |
| |
| namespace favicon { |
| |
| // WebFaviconDriver is an implementation of FaviconDriver that listen to |
| // WebState events to start download of favicons and to get informed when the |
| // favicon download has completed. |
| class WebFaviconDriver : public web::WebStateObserver, |
| public web::WebStateUserData<WebFaviconDriver>, |
| public FaviconDriverImpl { |
| public: |
| ~WebFaviconDriver() override; |
| |
| static void CreateForWebState(web::WebState* web_state, |
| FaviconService* favicon_service); |
| |
| // FaviconDriver implementation. |
| gfx::Image GetFavicon() const override; |
| bool FaviconIsValid() const override; |
| GURL GetActiveURL() override; |
| |
| // FaviconHandler::Delegate implementation. |
| int DownloadImage(const GURL& url, |
| int max_image_size, |
| ImageDownloadCallback callback) override; |
| void DownloadManifest(const GURL& url, |
| ManifestDownloadCallback callback) override; |
| bool IsOffTheRecord() override; |
| void OnFaviconUpdated( |
| const GURL& page_url, |
| FaviconDriverObserver::NotificationIconType notification_icon_type, |
| const GURL& icon_url, |
| bool icon_url_changed, |
| const gfx::Image& image) override; |
| void OnFaviconDeleted(const GURL& page_url, |
| FaviconDriverObserver::NotificationIconType |
| notification_icon_type) override; |
| |
| private: |
| friend class web::WebStateUserData<WebFaviconDriver>; |
| |
| WebFaviconDriver(web::WebState* web_state, FaviconService* favicon_service); |
| |
| // web::WebStateObserver implementation. |
| void DidFinishNavigation(web::WebState* web_state, |
| web::NavigationContext* navigation_context) override; |
| void FaviconUrlUpdated( |
| web::WebState* web_state, |
| const std::vector<web::FaviconURL>& candidates) override; |
| void WebStateDestroyed(web::WebState* web_state) override; |
| |
| // Invoked when new favicon URL candidates are received. |
| void FaviconUrlUpdatedInternal( |
| const std::vector<favicon::FaviconURL>& candidates); |
| |
| // Image Fetcher used to fetch favicon. |
| image_fetcher::IOSImageDataFetcherWrapper image_fetcher_; |
| |
| // The WebState this instance is observing. Will be null after |
| // WebStateDestroyed has been called. |
| web::WebState* web_state_ = nullptr; |
| |
| WEB_STATE_USER_DATA_KEY_DECL(); |
| |
| DISALLOW_COPY_AND_ASSIGN(WebFaviconDriver); |
| }; |
| |
| } // namespace favicon |
| |
| #endif // COMPONENTS_FAVICON_IOS_WEB_FAVICON_DRIVER_H_ |