| // 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_HISTORY_CONTENT_BROWSER_WEB_CONTENTS_TOP_SITES_OBSERVER_H_ |
| #define COMPONENTS_HISTORY_CONTENT_BROWSER_WEB_CONTENTS_TOP_SITES_OBSERVER_H_ |
| |
| #include "base/macros.h" |
| #include "content/public/browser/web_contents_observer.h" |
| #include "content/public/browser/web_contents_user_data.h" |
| |
| namespace history { |
| |
| class TopSites; |
| |
| // WebContentsTopSitesObserver forwards navigation events from |
| // content::WebContents to TopSites. |
| class WebContentsTopSitesObserver |
| : public content::WebContentsObserver, |
| public content::WebContentsUserData<WebContentsTopSitesObserver> { |
| public: |
| ~WebContentsTopSitesObserver() override; |
| |
| static void CreateForWebContents(content::WebContents* web_contents, |
| TopSites* top_sites); |
| |
| private: |
| friend class content::WebContentsUserData<WebContentsTopSitesObserver>; |
| |
| WebContentsTopSitesObserver(content::WebContents* web_contents, |
| TopSites* top_sites); |
| |
| // content::WebContentsObserver implementation. |
| void NavigationEntryCommitted( |
| const content::LoadCommittedDetails& load_details) override; |
| |
| // Underlying TopSites instance, may be null during testing. |
| TopSites* top_sites_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WebContentsTopSitesObserver); |
| }; |
| |
| } // namespace history |
| |
| #endif // COMPONENTS_HISTORY_CONTENT_BROWSER_WEB_CONTENTS_TOP_SITES_OBSERVER_H_ |