| // Copyright 2018 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 CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_TAB_HELPER_H_ |
| #define CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_TAB_HELPER_H_ |
| |
| #include "base/macros.h" |
| #include "base/scoped_observer.h" |
| #include "base/unguessable_token.h" |
| #include "chrome/browser/web_applications/components/app_registrar.h" |
| #include "chrome/browser/web_applications/components/app_registrar_observer.h" |
| #include "chrome/browser/web_applications/components/web_app_id.h" |
| #include "chrome/browser/web_applications/components/web_app_tab_helper_base.h" |
| #include "content/public/browser/web_contents_observer.h" |
| |
| namespace content { |
| class WebContents; |
| } |
| |
| namespace web_app { |
| |
| class WebAppProviderBase; |
| |
| // Per-tab web app helper. Allows to associate a tab (web page) with a web app |
| // (or legacy bookmark app). |
| class WebAppTabHelper : public WebAppTabHelperBase, |
| public content::WebContentsObserver, |
| public AppRegistrarObserver { |
| public: |
| static void CreateForWebContents(content::WebContents* contents); |
| |
| explicit WebAppTabHelper(content::WebContents* web_contents); |
| ~WebAppTabHelper() override; |
| |
| // WebAppTabHelperBase: |
| const AppId& GetAppId() const override; |
| void SetAppId(const AppId& app_id) override; |
| const base::UnguessableToken& GetAudioFocusGroupIdForTesting() const override; |
| |
| // content::WebContentsObserver: |
| void ReadyToCommitNavigation( |
| content::NavigationHandle* navigation_handle) override; |
| void DidFinishNavigation( |
| content::NavigationHandle* navigation_handle) override; |
| void DOMContentLoaded(content::RenderFrameHost* render_frame_host) override; |
| void DidCloneToNewWebContents( |
| content::WebContents* old_web_contents, |
| content::WebContents* new_web_contents) override; |
| |
| private: |
| friend class WebAppAudioFocusBrowserTest; |
| friend class content::WebContentsUserData<WebAppTabHelper>; |
| |
| // Returns whether the associated web contents belongs to an app window. |
| bool IsInAppWindow() const; |
| |
| // AppRegistrarObserver: |
| void OnWebAppInstalled(const AppId& installed_app_id) override; |
| void OnWebAppUninstalled(const AppId& uninstalled_app_id) override; |
| void OnAppRegistrarShutdown() override; |
| void OnAppRegistrarDestroyed() override; |
| |
| void ResetAppId(); |
| |
| // Runs any logic when the associated app either changes or is removed. |
| void OnAssociatedAppChanged(); |
| |
| // Updates the audio focus group id based on the current web app. |
| void UpdateAudioFocusGroupId(); |
| |
| // Triggers a reinstall of a placeholder app for |url|. |
| void ReinstallPlaceholderAppIfNecessary(const GURL& url); |
| |
| AppId FindAppIdWithUrlInScope(const GURL& url) const; |
| |
| // WebApp associated with this tab. Empty string if no app associated. |
| AppId app_id_; |
| |
| // Indicates if the current page is an error page (e.g. the page failed to |
| // load). We store this because it isn't accessible off a |WebContents| or a |
| // |RenderFrameHost|. |
| bool is_error_page_ = false; |
| |
| // The audio focus group id is used to group media sessions together for apps. |
| // We store the applied group id locally on the helper for testing. |
| base::UnguessableToken audio_focus_group_id_ = base::UnguessableToken::Null(); |
| |
| ScopedObserver<AppRegistrar, AppRegistrarObserver> observer_{this}; |
| WebAppProviderBase* provider_ = nullptr; |
| |
| DISALLOW_COPY_AND_ASSIGN(WebAppTabHelper); |
| }; |
| |
| } // namespace web_app |
| |
| #endif // CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_TAB_HELPER_H_ |