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 WIN8_METRO_DRIVER_CHROME_APP_VIEW_H_ 6 #define WIN8_METRO_DRIVER_CHROME_APP_VIEW_H_ 7 8 #include <windows.applicationmodel.core.h> 9 #include <windows.ui.core.h> 10 #include <windows.ui.input.h> 11 #include <windows.ui.viewmanagement.h> 12 13 #include <list> 14 #include <map> 15 #include <string> 16 #include <utility> 17 18 #include "base/memory/scoped_ptr.h" 19 #include "base/message_loop/message_loop.h" 20 #include "base/synchronization/lock.h" 21 #include "win8/metro_driver/chrome_url_launch_handler.h" 22 #include "win8/metro_driver/devices_handler.h" 23 #include "win8/metro_driver/metro_dialog_box.h" 24 #include "win8/metro_driver/settings_handler.h" 25 #include "win8/metro_driver/toast_notification_handler.h" 26 27 namespace IPC { 28 class Listener; 29 class ChannelProxy; 30 } 31 32 class ChromeAppView 33 : public mswr::RuntimeClass<winapp::Core::IFrameworkView> { 34 public: 35 ChromeAppView(); 36 ~ChromeAppView(); 37 38 // IViewProvider overrides. 39 IFACEMETHOD(Initialize)(winapp::Core::ICoreApplicationView* view); 40 IFACEMETHOD(SetWindow)(winui::Core::ICoreWindow* window); 41 IFACEMETHOD(Load)(HSTRING entryPoint); 42 IFACEMETHOD(Run)(); 43 IFACEMETHOD(Uninitialize)(); 44 45 static LRESULT CALLBACK CoreWindowProc(HWND window, UINT message, WPARAM wp, 46 LPARAM lp); 47 48 bool osk_visible_notification_received() const { 49 return osk_visible_notification_received_; 50 } 51 52 // Displays the notification. 53 void DisplayNotification( 54 const ToastNotificationHandler::DesktopNotification& notification); 55 56 // Cancels the notification. 57 void CancelNotification(const std::string& notification); 58 59 // Returns true if the notification passed in is valid. 60 bool IsValidNotification(const std::string& notification); 61 62 // Displays a dialog box. 63 void ShowDialogBox(const MetroDialogBox::DialogBoxInfo& dialog_box_info); 64 // Dismisses the dialog box. 65 void DismissDialogBox(); 66 67 // Helper function to unsnap the chrome metro app if it is snapped. 68 // Returns S_OK on success. 69 static HRESULT Unsnap(); 70 71 // Notification from chrome that a full screen operation is being performed. 72 void SetFullscreen(bool fullscreen); 73 74 // Returns the current view state of the chrome window. 75 winui::ViewManagement::ApplicationViewState GetViewState(); 76 77 HWND core_window_hwnd() { return core_window_hwnd_; } 78 79 private: 80 HRESULT OnActivate(winapp::Core::ICoreApplicationView* view, 81 winapp::Activation::IActivatedEventArgs* args); 82 83 HRESULT OnSizeChanged(winui::Core::ICoreWindow* sender, 84 winui::Core::IWindowSizeChangedEventArgs* args); 85 86 HRESULT OnEdgeGestureCompleted(winui::Input::IEdgeGesture* gesture, 87 winui::Input::IEdgeGestureEventArgs* args); 88 89 HRESULT OnShareDataRequested( 90 winapp::DataTransfer::IDataTransferManager* data_transfer_mgr, 91 winapp::DataTransfer::IDataRequestedEventArgs* event_args); 92 93 HRESULT OnInputPaneVisible( 94 winui::ViewManagement::IInputPane* input_pane, 95 winui::ViewManagement::IInputPaneVisibilityEventArgs* event_args); 96 97 HRESULT OnInputPaneHiding( 98 winui::ViewManagement::IInputPane* input_pane, 99 winui::ViewManagement::IInputPaneVisibilityEventArgs* event_args); 100 101 HRESULT OnPositionChanged(int x, int y); 102 103 void CheckForOSKActivation(); 104 105 HRESULT RegisterInputPaneNotifications(); 106 107 void HandleInputPaneVisible(const RECT& osk_rect); 108 void HandleInputPaneHidden(const RECT& osk_rect); 109 110 mswr::ComPtr<winui::Core::ICoreWindow> window_; 111 mswr::ComPtr<winapp::Core::ICoreApplicationView> view_; 112 EventRegistrationToken activated_token_; 113 EventRegistrationToken edgeevent_token_; 114 EventRegistrationToken sizechange_token_; 115 EventRegistrationToken share_data_requested_token_; 116 EventRegistrationToken input_pane_visible_token_; 117 EventRegistrationToken input_pane_hiding_token_; 118 EventRegistrationToken app_exit_token_; 119 120 // The actual window behind the view surface. 121 HWND core_window_hwnd_; 122 123 ChromeUrlLaunchHandler url_launch_handler_; 124 metro_driver::DevicesHandler devices_handler_; 125 SettingsHandler settings_handler_; 126 mswr::ComPtr<winui::ViewManagement::IInputPane> input_pane_; 127 mswr::ComPtr<winui::ViewManagement::IApplicationViewStatics> app_view_; 128 129 bool osk_visible_notification_received_; 130 131 // map of notification id to the ToastNotificationHandler instance. 132 typedef std::map<std::string, scoped_ptr<ToastNotificationHandler> > 133 NotificationMap; 134 NotificationMap notification_map_; 135 136 // Synchronizes access to the notification_map_ member. 137 base::Lock notification_lock_; 138 139 // If the OSK covers the input area we scroll the window by the height of the 140 // OSK + an additional offset. This member holds this offset. Set to 0 if the 141 // window was not scrolled. 142 int osk_offset_adjustment_; 143 144 MetroDialogBox dialog_box_; 145 }; 146 147 // Global information used across the metro driver. 148 struct Globals { 149 LPTHREAD_START_ROUTINE host_main; 150 void* host_context; 151 // The pair below contains the HWND and a bool which indicates whether the 152 // window was displaced to ensure that the focused region is visible when 153 // the OSK is displayed. 154 std::list<std::pair<HWND, bool> > host_windows; 155 HANDLE host_thread; 156 ChromeAppView* view; 157 WNDPROC g_core_proc; 158 base::string16 navigation_url; 159 base::string16 search_string; 160 winapp::Activation::ApplicationExecutionState previous_state; 161 winapp::Activation::ActivationKind initial_activation_kind; 162 bool is_initial_activation; 163 // This message loop lives in the app view's thread. Some operations have 164 // to be initiated from that thread, notably spawning file pickers. 165 base::MessageLoopProxy* appview_msg_loop; 166 winapp::Core::ICoreApplicationExit* app_exit; 167 base::string16 metro_command_line_switches; 168 }; 169 170 extern Globals globals; 171 172 #endif // WIN8_METRO_DRIVER_CHROME_APP_VIEW_H_ 173
