| // 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_CONTENT_CONTENT_FAVICON_DRIVER_H_ |
| #define COMPONENTS_FAVICON_CONTENT_CONTENT_FAVICON_DRIVER_H_ |
| |
| #include <vector> |
| |
| #include "base/macros.h" |
| #include "base/optional.h" |
| #include "components/favicon/core/favicon_driver_impl.h" |
| #include "content/public/browser/reload_type.h" |
| #include "content/public/browser/web_contents_observer.h" |
| #include "content/public/browser/web_contents_user_data.h" |
| #include "content/public/common/favicon_url.h" |
| #include "url/gurl.h" |
| |
| namespace content { |
| struct FaviconURL; |
| class WebContents; |
| } |
| |
| namespace favicon { |
| |
| // ContentFaviconDriver is an implementation of FaviconDriver that listens to |
| // WebContents events to start download of favicons and to get informed when the |
| // favicon download has completed. |
| class ContentFaviconDriver |
| : public content::WebContentsObserver, |
| public content::WebContentsUserData<ContentFaviconDriver>, |
| public FaviconDriverImpl { |
| public: |
| ~ContentFaviconDriver() override; |
| |
| static void CreateForWebContents(content::WebContents* web_contents, |
| FaviconService* favicon_service); |
| |
| // Returns the current tab's favicon URLs. If this is empty, |
| // DidUpdateFaviconURL has not yet been called for the current navigation. |
| std::vector<content::FaviconURL> favicon_urls() const { |
| return favicon_urls_.value_or(std::vector<content::FaviconURL>()); |
| } |
| |
| // Saves the favicon for the last committed navigation entry to the thumbnail |
| // database. |
| void SaveFaviconEvenIfInIncognito(); |
| |
| // FaviconDriver implementation. |
| gfx::Image GetFavicon() const override; |
| bool FaviconIsValid() const override; |
| GURL GetActiveURL() override; |
| |
| protected: |
| ContentFaviconDriver(content::WebContents* web_contents, |
| FaviconService* favicon_service); |
| |
| private: |
| friend class content::WebContentsUserData<ContentFaviconDriver>; |
| |
| // 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 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; |
| |
| // content::WebContentsObserver implementation. |
| void DidUpdateFaviconURL( |
| const std::vector<content::FaviconURL>& candidates) override; |
| void DidUpdateWebManifestURL( |
| const base::Optional<GURL>& manifest_url) override; |
| void DidStartNavigation( |
| content::NavigationHandle* navigation_handle) override; |
| void DidFinishNavigation( |
| content::NavigationHandle* navigation_handle) override; |
| void DocumentOnLoadCompletedInMainFrame() override; |
| |
| bool document_on_load_completed_; |
| GURL bypass_cache_page_url_; |
| // nullopt until the actual list is reported via DidUpdateFaviconURL(). |
| base::Optional<std::vector<content::FaviconURL>> favicon_urls_; |
| // Web Manifest URL or empty URL if none. |
| GURL manifest_url_; |
| |
| WEB_CONTENTS_USER_DATA_KEY_DECL(); |
| |
| DISALLOW_COPY_AND_ASSIGN(ContentFaviconDriver); |
| }; |
| |
| } // namespace favicon |
| |
| #endif // COMPONENTS_FAVICON_CONTENT_CONTENT_FAVICON_DRIVER_H_ |