| // Copyright (c) 2011 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_TAB_CONTENTS_BACKGROUND_CONTENTS_H_ |
| #define CHROME_BROWSER_TAB_CONTENTS_BACKGROUND_CONTENTS_H_ |
| |
| #include <string> |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "content/public/browser/notification_observer.h" |
| #include "content/public/browser/notification_registrar.h" |
| #include "content/public/browser/web_contents_delegate.h" |
| #include "content/public/browser/web_contents_observer.h" |
| #include "ui/base/window_open_disposition.h" |
| |
| class Profile; |
| |
| namespace content { |
| class SessionStorageNamespace; |
| class SiteInstance; |
| }; |
| |
| // This class consumes WebContents. It can host a renderer, but does not |
| // have any visible display. |
| class BackgroundContents : public content::WebContentsDelegate, |
| public content::WebContentsObserver, |
| public content::NotificationObserver { |
| public: |
| class Delegate { |
| public: |
| // Called by AddNewContents(). Asks the delegate to attach the opened |
| // WebContents to a suitable container (e.g. browser) or to show it if it's |
| // a popup window. If |was_blocked| is non-NULL, then |*was_blocked| will be |
| // set to true if the popup gets blocked, and left unchanged otherwise. |
| virtual void AddWebContents(content::WebContents* new_contents, |
| WindowOpenDisposition disposition, |
| const gfx::Rect& initial_pos, |
| bool user_gesture, |
| bool* was_blocked) = 0; |
| |
| protected: |
| virtual ~Delegate() {} |
| }; |
| |
| BackgroundContents( |
| content::SiteInstance* site_instance, |
| int routing_id, |
| Delegate* delegate, |
| const std::string& partition_id, |
| content::SessionStorageNamespace* session_storage_namespace); |
| ~BackgroundContents() override; |
| |
| content::WebContents* web_contents() const { return web_contents_.get(); } |
| virtual const GURL& GetURL() const; |
| |
| // content::WebContentsDelegate implementation: |
| void CloseContents(content::WebContents* source) override; |
| bool ShouldSuppressDialogs() override; |
| void DidNavigateMainFramePostCommit(content::WebContents* tab) override; |
| void AddNewContents(content::WebContents* source, |
| content::WebContents* new_contents, |
| WindowOpenDisposition disposition, |
| const gfx::Rect& initial_pos, |
| bool user_gesture, |
| bool* was_blocked) override; |
| bool IsNeverVisible(content::WebContents* web_contents) override; |
| |
| // content::WebContentsObserver implementation: |
| void RenderProcessGone(base::TerminationStatus status) override; |
| |
| // content::NotificationObserver |
| void Observe(int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) override; |
| |
| protected: |
| // Exposed for testing. |
| BackgroundContents(); |
| |
| private: |
| // The delegate for this BackgroundContents. |
| Delegate* delegate_; |
| |
| Profile* profile_; |
| scoped_ptr<content::WebContents> web_contents_; |
| content::NotificationRegistrar registrar_; |
| |
| DISALLOW_COPY_AND_ASSIGN(BackgroundContents); |
| }; |
| |
| // This is the data sent out as the details with BACKGROUND_CONTENTS_OPENED. |
| struct BackgroundContentsOpenedDetails { |
| // The BackgroundContents object that has just been opened. |
| BackgroundContents* contents; |
| |
| // The name of the parent frame for these contents. |
| const base::string16& frame_name; |
| |
| // The ID of the parent application (if any). |
| const base::string16& application_id; |
| }; |
| |
| #endif // CHROME_BROWSER_TAB_CONTENTS_BACKGROUND_CONTENTS_H_ |