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 UI_VIEWS_WIDGET_NATIVE_WIDGET_WIN_H_ 6 #define UI_VIEWS_WIDGET_NATIVE_WIDGET_WIN_H_ 7 8 #include <vector> 9 10 #include "base/memory/scoped_ptr.h" 11 #include "base/memory/scoped_vector.h" 12 #include "base/win/scoped_comptr.h" 13 #include "base/win/win_util.h" 14 #include "ui/gfx/win/window_impl.h" 15 #include "ui/views/widget/native_widget_private.h" 16 #include "ui/views/win/hwnd_message_handler_delegate.h" 17 18 namespace ui { 19 class Compositor; 20 class ViewProp; 21 } 22 23 namespace gfx { 24 class Canvas; 25 class Font; 26 class Rect; 27 } 28 29 namespace views { 30 31 class DropTargetWin; 32 class HWNDMessageHandler; 33 class InputMethodDelegate; 34 class RootView; 35 class TooltipManagerWin; 36 37 /////////////////////////////////////////////////////////////////////////////// 38 // 39 // NativeWidgetWin 40 // A Widget for a views hierarchy used to represent anything that can be 41 // contained within an HWND, e.g. a control, a window, etc. Specializations 42 // suitable for specific tasks, e.g. top level window, are derived from this. 43 // 44 // This Widget contains a RootView which owns the hierarchy of views within it. 45 // As long as views are part of this tree, they will be deleted automatically 46 // when the RootView is destroyed. If you remove a view from the tree, you are 47 // then responsible for cleaning up after it. 48 // 49 /////////////////////////////////////////////////////////////////////////////// 50 class VIEWS_EXPORT NativeWidgetWin : public internal::NativeWidgetPrivate, 51 public HWNDMessageHandlerDelegate { 52 public: 53 explicit NativeWidgetWin(internal::NativeWidgetDelegate* delegate); 54 virtual ~NativeWidgetWin(); 55 56 // Returns the system set window title font. 57 static gfx::Font GetWindowTitleFont(); 58 59 // Show the window with the specified show command. 60 void Show(int show_state); 61 62 // Places the window in a pseudo-fullscreen mode where it looks and acts as 63 // like a fullscreen window except that it remains within the boundaries 64 // of the metro snap divider. 65 void SetMetroSnapFullscreen(bool metro_snap); 66 bool IsInMetroSnapMode() const; 67 68 void SetCanUpdateLayeredWindow(bool can_update); 69 70 // Overridden from internal::NativeWidgetPrivate: 71 virtual void InitNativeWidget(const Widget::InitParams& params) OVERRIDE; 72 virtual NonClientFrameView* CreateNonClientFrameView() OVERRIDE; 73 virtual bool ShouldUseNativeFrame() const OVERRIDE; 74 virtual void FrameTypeChanged() OVERRIDE; 75 virtual Widget* GetWidget() OVERRIDE; 76 virtual const Widget* GetWidget() const OVERRIDE; 77 virtual gfx::NativeView GetNativeView() const OVERRIDE; 78 virtual gfx::NativeWindow GetNativeWindow() const OVERRIDE; 79 virtual Widget* GetTopLevelWidget() OVERRIDE; 80 virtual const ui::Compositor* GetCompositor() const OVERRIDE; 81 virtual ui::Compositor* GetCompositor() OVERRIDE; 82 virtual ui::Layer* GetLayer() OVERRIDE; 83 virtual void ReorderNativeViews() OVERRIDE; 84 virtual void ViewRemoved(View* view) OVERRIDE; 85 virtual void SetNativeWindowProperty(const char* name, void* value) OVERRIDE; 86 virtual void* GetNativeWindowProperty(const char* name) const OVERRIDE; 87 virtual TooltipManager* GetTooltipManager() const OVERRIDE; 88 virtual void SetCapture() OVERRIDE; 89 virtual void ReleaseCapture() OVERRIDE; 90 virtual bool HasCapture() const OVERRIDE; 91 virtual InputMethod* CreateInputMethod() OVERRIDE; 92 virtual internal::InputMethodDelegate* GetInputMethodDelegate() OVERRIDE; 93 virtual void CenterWindow(const gfx::Size& size) OVERRIDE; 94 virtual void GetWindowPlacement( 95 gfx::Rect* bounds, 96 ui::WindowShowState* show_state) const OVERRIDE; 97 virtual bool SetWindowTitle(const string16& title) OVERRIDE; 98 virtual void SetWindowIcons(const gfx::ImageSkia& window_icon, 99 const gfx::ImageSkia& app_icon) OVERRIDE; 100 virtual void InitModalType(ui::ModalType modal_type) OVERRIDE; 101 virtual gfx::Rect GetWindowBoundsInScreen() const OVERRIDE; 102 virtual gfx::Rect GetClientAreaBoundsInScreen() const OVERRIDE; 103 virtual gfx::Rect GetRestoredBounds() const OVERRIDE; 104 virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE; 105 virtual void SetSize(const gfx::Size& size) OVERRIDE; 106 virtual void StackAbove(gfx::NativeView native_view) OVERRIDE; 107 virtual void StackAtTop() OVERRIDE; 108 virtual void StackBelow(gfx::NativeView native_view) OVERRIDE; 109 virtual void SetShape(gfx::NativeRegion shape) OVERRIDE; 110 virtual void Close() OVERRIDE; 111 virtual void CloseNow() OVERRIDE; 112 virtual void Show() OVERRIDE; 113 virtual void Hide() OVERRIDE; 114 virtual void ShowMaximizedWithBounds( 115 const gfx::Rect& restored_bounds) OVERRIDE; 116 virtual void ShowWithWindowState(ui::WindowShowState show_state) OVERRIDE; 117 virtual bool IsVisible() const OVERRIDE; 118 virtual void Activate() OVERRIDE; 119 virtual void Deactivate() OVERRIDE; 120 virtual bool IsActive() const OVERRIDE; 121 virtual void SetAlwaysOnTop(bool always_on_top) OVERRIDE; 122 virtual bool IsAlwaysOnTop() const OVERRIDE; 123 virtual void Maximize() OVERRIDE; 124 virtual void Minimize() OVERRIDE; 125 virtual bool IsMaximized() const OVERRIDE; 126 virtual bool IsMinimized() const OVERRIDE; 127 virtual void Restore() OVERRIDE; 128 virtual void SetFullscreen(bool fullscreen) OVERRIDE; 129 virtual bool IsFullscreen() const OVERRIDE; 130 virtual void SetOpacity(unsigned char opacity) OVERRIDE; 131 virtual void SetUseDragFrame(bool use_drag_frame) OVERRIDE; 132 virtual void FlashFrame(bool flash) OVERRIDE; 133 virtual void RunShellDrag(View* view, 134 const ui::OSExchangeData& data, 135 const gfx::Point& location, 136 int operation, 137 ui::DragDropTypes::DragEventSource source) OVERRIDE; 138 virtual void SchedulePaintInRect(const gfx::Rect& rect) OVERRIDE; 139 virtual void SetCursor(gfx::NativeCursor cursor) OVERRIDE; 140 virtual bool IsMouseEventsEnabled() const OVERRIDE; 141 virtual void ClearNativeFocus() OVERRIDE; 142 virtual gfx::Rect GetWorkAreaBoundsInScreen() const OVERRIDE; 143 virtual Widget::MoveLoopResult RunMoveLoop( 144 const gfx::Vector2d& drag_offset, 145 Widget::MoveLoopSource source, 146 Widget::MoveLoopEscapeBehavior escape_behavior) OVERRIDE; 147 virtual void EndMoveLoop() OVERRIDE; 148 virtual void SetVisibilityChangedAnimationsEnabled(bool value) OVERRIDE; 149 virtual ui::NativeTheme* GetNativeTheme() const OVERRIDE; 150 virtual void OnRootViewLayout() const OVERRIDE; 151 152 // Overridden from NativeWidget: 153 virtual ui::EventHandler* GetEventHandler() OVERRIDE; 154 155 protected: 156 // Deletes this window as it is destroyed, override to provide different 157 // behavior. 158 virtual void OnFinalMessage(HWND window); 159 160 HWNDMessageHandler* GetMessageHandler(); 161 162 // Overridden from HWNDMessageHandlerDelegate: 163 virtual bool IsWidgetWindow() const OVERRIDE; 164 virtual bool IsUsingCustomFrame() const OVERRIDE; 165 virtual void SchedulePaint() OVERRIDE; 166 virtual void EnableInactiveRendering() OVERRIDE; 167 virtual bool IsInactiveRenderingDisabled() OVERRIDE; 168 virtual bool CanResize() const OVERRIDE; 169 virtual bool CanMaximize() const OVERRIDE; 170 virtual bool CanActivate() const OVERRIDE; 171 virtual bool WidgetSizeIsClientSize() const OVERRIDE; 172 virtual bool CanSaveFocus() const OVERRIDE; 173 virtual void SaveFocusOnDeactivate() OVERRIDE; 174 virtual void RestoreFocusOnActivate() OVERRIDE; 175 virtual void RestoreFocusOnEnable() OVERRIDE; 176 virtual bool IsModal() const OVERRIDE; 177 virtual int GetInitialShowState() const OVERRIDE; 178 virtual bool WillProcessWorkAreaChange() const OVERRIDE; 179 virtual int GetNonClientComponent(const gfx::Point& point) const OVERRIDE; 180 virtual void GetWindowMask(const gfx::Size& size, gfx::Path* path) OVERRIDE; 181 virtual bool GetClientAreaInsets(gfx::Insets* insets) const OVERRIDE; 182 virtual void GetMinMaxSize(gfx::Size* min_size, 183 gfx::Size* max_size) const OVERRIDE; 184 virtual gfx::Size GetRootViewSize() const OVERRIDE; 185 virtual void ResetWindowControls() OVERRIDE; 186 virtual void PaintLayeredWindow(gfx::Canvas* canvas) OVERRIDE; 187 virtual InputMethod* GetInputMethod() OVERRIDE; 188 virtual gfx::NativeViewAccessible GetNativeViewAccessible() OVERRIDE; 189 virtual bool ShouldHandleSystemCommands() const OVERRIDE; 190 virtual void HandleAppDeactivated() OVERRIDE; 191 virtual void HandleActivationChanged(bool active) OVERRIDE; 192 virtual bool HandleAppCommand(short command) OVERRIDE; 193 virtual void HandleCancelMode() OVERRIDE; 194 virtual void HandleCaptureLost() OVERRIDE; 195 virtual void HandleClose() OVERRIDE; 196 virtual bool HandleCommand(int command) OVERRIDE; 197 virtual void HandleAccelerator(const ui::Accelerator& accelerator) OVERRIDE; 198 virtual void HandleCreate() OVERRIDE; 199 virtual void HandleDestroying() OVERRIDE; 200 virtual void HandleDestroyed() OVERRIDE; 201 virtual bool HandleInitialFocus() OVERRIDE; 202 virtual void HandleDisplayChange() OVERRIDE; 203 virtual void HandleBeginWMSizeMove() OVERRIDE; 204 virtual void HandleEndWMSizeMove() OVERRIDE; 205 virtual void HandleMove() OVERRIDE; 206 virtual void HandleWorkAreaChanged() OVERRIDE; 207 virtual void HandleVisibilityChanging(bool visible) OVERRIDE; 208 virtual void HandleVisibilityChanged(bool visible) OVERRIDE; 209 virtual void HandleClientSizeChanged(const gfx::Size& new_size) OVERRIDE; 210 virtual void HandleFrameChanged() OVERRIDE; 211 virtual void HandleNativeFocus(HWND last_focused_window) OVERRIDE; 212 virtual void HandleNativeBlur(HWND focused_window) OVERRIDE; 213 virtual bool HandleMouseEvent(const ui::MouseEvent& event) OVERRIDE; 214 virtual bool HandleKeyEvent(const ui::KeyEvent& event) OVERRIDE; 215 virtual bool HandleUntranslatedKeyEvent(const ui::KeyEvent& event) OVERRIDE; 216 virtual void HandleTouchEvent(const ui::TouchEvent& event) OVERRIDE; 217 virtual bool HandleIMEMessage(UINT message, 218 WPARAM w_param, 219 LPARAM l_param, 220 LRESULT* result) OVERRIDE; 221 virtual void HandleInputLanguageChange(DWORD character_set, 222 HKL input_language_id) OVERRIDE; 223 virtual bool HandlePaintAccelerated(const gfx::Rect& invalid_rect) OVERRIDE; 224 virtual void HandlePaint(gfx::Canvas* canvas) OVERRIDE; 225 virtual bool HandleTooltipNotify(int w_param, 226 NMHDR* l_param, 227 LRESULT* l_result) OVERRIDE; 228 virtual void HandleTooltipMouseMove(UINT message, 229 WPARAM w_param, 230 LPARAM l_param) OVERRIDE; 231 virtual bool PreHandleMSG(UINT message, 232 WPARAM w_param, 233 LPARAM l_param, 234 LRESULT* result) OVERRIDE; 235 virtual void PostHandleMSG(UINT message, 236 WPARAM w_param, 237 LPARAM l_param) OVERRIDE; 238 virtual bool HandleScrollEvent(const ui::ScrollEvent& event) OVERRIDE; 239 240 // The TooltipManager. This is NULL if there is a problem creating the 241 // underlying tooltip window. 242 // WARNING: RootView's destructor calls into the TooltipManager. As such, this 243 // must be destroyed AFTER root_view_. 244 scoped_ptr<TooltipManagerWin> tooltip_manager_; 245 246 scoped_refptr<DropTargetWin> drop_target_; 247 248 private: 249 typedef ScopedVector<ui::ViewProp> ViewProps; 250 251 void SetInitParams(const Widget::InitParams& params); 252 253 // A delegate implementation that handles events received here. 254 // See class documentation for Widget in widget.h for a note about ownership. 255 internal::NativeWidgetDelegate* delegate_; 256 257 // See class documentation for Widget in widget.h for a note about ownership. 258 Widget::InitParams::Ownership ownership_; 259 260 ViewProps props_; 261 262 // The window styles before we modified them for the drag frame appearance. 263 DWORD drag_frame_saved_window_style_; 264 DWORD drag_frame_saved_window_ex_style_; 265 266 // True if the widget is going to have a non_client_view. We cache this value 267 // rather than asking the Widget for the non_client_view so that we know at 268 // Init time, before the Widget has created the NonClientView. 269 bool has_non_client_view_; 270 271 scoped_ptr<HWNDMessageHandler> message_handler_; 272 273 DISALLOW_COPY_AND_ASSIGN(NativeWidgetWin); 274 }; 275 276 } // namespace views 277 278 #endif // UI_VIEWS_WIDGET_NATIVE_WIDGET_WIN_H_ 279
