1 // Copyright (c) 2012 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_EXTENSIONS_API_TABS_WINDOWS_EVENT_ROUTER_H_ 6 #define CHROME_BROWSER_EXTENSIONS_API_TABS_WINDOWS_EVENT_ROUTER_H_ 7 8 #include <string> 9 10 #include "base/basictypes.h" 11 #include "base/memory/scoped_ptr.h" 12 #include "chrome/browser/extensions/window_controller_list_observer.h" 13 #include "content/public/browser/notification_observer.h" 14 #include "content/public/browser/notification_registrar.h" 15 #if defined(TOOLKIT_VIEWS) 16 #include "ui/views/focus/widget_focus_manager.h" 17 #endif 18 19 class Profile; 20 21 namespace base { 22 class ListValue; 23 } 24 25 namespace extensions { 26 27 // The WindowsEventRouter sends chrome.windows.* events to listeners 28 // inside extension process renderers. The router listens to *all* events, 29 // but will only route eventes within a profile to extension processes in the 30 // same profile. 31 class WindowsEventRouter : public WindowControllerListObserver, 32 #if defined(TOOLKIT_VIEWS) 33 public views::WidgetFocusChangeListener, 34 #endif 35 public content::NotificationObserver { 36 public: 37 explicit WindowsEventRouter(Profile* profile); 38 virtual ~WindowsEventRouter(); 39 40 // WindowControllerListObserver methods: 41 virtual void OnWindowControllerAdded( 42 WindowController* window_controller) OVERRIDE; 43 virtual void OnWindowControllerRemoved( 44 WindowController* window) OVERRIDE; 45 46 #if defined(TOOLKIT_VIEWS) 47 virtual void OnNativeFocusChange(gfx::NativeView focused_before, 48 gfx::NativeView focused_now) OVERRIDE; 49 #endif 50 51 // content::NotificationObserver. 52 virtual void Observe(int type, 53 const content::NotificationSource& source, 54 const content::NotificationDetails& details) OVERRIDE; 55 56 // |window_controller| is NULL to indicate a focused window has lost focus. 57 void OnActiveWindowChanged(WindowController* window_controller); 58 59 private: 60 void DispatchEvent(const std::string& event_name, 61 Profile* profile, 62 scoped_ptr<base::ListValue> args); 63 64 content::NotificationRegistrar registrar_; 65 66 // The main profile that owns this event router. 67 Profile* profile_; 68 69 // The profile the currently focused window belongs to; either the main or 70 // incognito profile or NULL (none of the above). We remember this in order 71 // to correctly handle focus changes between non-OTR and OTR windows. 72 Profile* focused_profile_; 73 74 // The currently focused window. We keep this so as to avoid sending multiple 75 // windows.onFocusChanged events with the same windowId. 76 int focused_window_id_; 77 78 DISALLOW_COPY_AND_ASSIGN(WindowsEventRouter); 79 }; 80 81 } // namespace extensions 82 83 #endif // CHROME_BROWSER_EXTENSIONS_API_TABS_WINDOWS_EVENT_ROUTER_H_ 84