1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CHROME_BROWSER_ANDROID_WEBAPPS_SINGLE_TAB_MODE_TAB_HELPER_H_ 6 #define CHROME_BROWSER_ANDROID_WEBAPPS_SINGLE_TAB_MODE_TAB_HELPER_H_ 7 8 #include <set> 9 10 #include "base/basictypes.h" 11 #include "base/compiler_specific.h" 12 #include "chrome/browser/ui/blocked_content/blocked_window_params.h" 13 #include "content/public/browser/web_contents_observer.h" 14 #include "content/public/browser/web_contents_user_data.h" 15 16 namespace content { 17 class RenderViewHost; 18 class WebContents; 19 } // namespace content 20 21 class GURL; 22 23 // Registers and unregisters the IDs of renderers in single tab mode, which 24 // are disallowed from opening new windows via 25 // ChromeContentBrowserClient::CanCreateWindow(). 26 class SingleTabModeTabHelper 27 : public content::WebContentsObserver, 28 public content::WebContentsUserData<SingleTabModeTabHelper> { 29 public: 30 // Checks if the ID pair is blocked from creating new windows. IO-thread only. 31 static bool IsRegistered(int32 process_id, int32 routing_id); 32 33 virtual ~SingleTabModeTabHelper(); 34 35 // Handles opening the given URL through the TabModel. 36 void HandleOpenUrl(const BlockedWindowParams& params); 37 38 // Permanently block this WebContents from creating new windows -- there is no 39 // current need to allow toggling this flag on or off. 40 void PermanentlyBlockAllNewWindows(); 41 42 // content::WebContentsObserver 43 virtual void RenderViewCreated(content::RenderViewHost* render_view_host) 44 OVERRIDE; 45 virtual void RenderViewDeleted(content::RenderViewHost* render_view_host) 46 OVERRIDE; 47 48 private: 49 explicit SingleTabModeTabHelper(content::WebContents* web_contents); 50 friend class content::WebContentsUserData<SingleTabModeTabHelper>; 51 52 bool block_all_new_windows_; 53 54 DISALLOW_COPY_AND_ASSIGN(SingleTabModeTabHelper); 55 }; 56 57 #endif // CHROME_BROWSER_ANDROID_WEBAPPS_SINGLE_TAB_MODE_TAB_HELPER_H_ 58