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_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_WIN_H_ 6 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_WIN_H_ 7 8 #include "ui/aura/window_tree_host.h" 9 #include "ui/views/views_export.h" 10 #include "ui/views/widget/desktop_aura/desktop_window_tree_host.h" 11 #include "ui/views/win/hwnd_message_handler_delegate.h" 12 #include "ui/wm/public/animation_host.h" 13 14 namespace aura { 15 namespace client { 16 class DragDropClient; 17 class FocusClient; 18 class ScopedTooltipDisabler; 19 } 20 } 21 22 namespace views { 23 class DesktopCursorClient; 24 class DesktopDragDropClientWin; 25 class HWNDMessageHandler; 26 27 namespace corewm { 28 class TooltipWin; 29 } 30 31 class VIEWS_EXPORT DesktopWindowTreeHostWin 32 : public DesktopWindowTreeHost, 33 public aura::client::AnimationHost, 34 public aura::WindowTreeHost, 35 public ui::EventSource, 36 public HWNDMessageHandlerDelegate { 37 public: 38 DesktopWindowTreeHostWin( 39 internal::NativeWidgetDelegate* native_widget_delegate, 40 DesktopNativeWidgetAura* desktop_native_widget_aura); 41 virtual ~DesktopWindowTreeHostWin(); 42 43 // A way of converting an HWND into a content window. 44 static aura::Window* GetContentWindowForHWND(HWND hwnd); 45 46 protected: 47 // Overridden from DesktopWindowTreeHost: 48 virtual void Init(aura::Window* content_window, 49 const Widget::InitParams& params) OVERRIDE; 50 virtual void OnNativeWidgetCreated(const Widget::InitParams& params) OVERRIDE; 51 virtual scoped_ptr<corewm::Tooltip> CreateTooltip() OVERRIDE; 52 virtual scoped_ptr<aura::client::DragDropClient> 53 CreateDragDropClient(DesktopNativeCursorManager* cursor_manager) OVERRIDE; 54 virtual void Close() OVERRIDE; 55 virtual void CloseNow() OVERRIDE; 56 virtual aura::WindowTreeHost* AsWindowTreeHost() OVERRIDE; 57 virtual void ShowWindowWithState(ui::WindowShowState show_state) OVERRIDE; 58 virtual void ShowMaximizedWithBounds( 59 const gfx::Rect& restored_bounds) OVERRIDE; 60 virtual bool IsVisible() const OVERRIDE; 61 virtual void SetSize(const gfx::Size& size) OVERRIDE; 62 virtual void StackAtTop() OVERRIDE; 63 virtual void CenterWindow(const gfx::Size& size) OVERRIDE; 64 virtual void GetWindowPlacement( 65 gfx::Rect* bounds, 66 ui::WindowShowState* show_state) const OVERRIDE; 67 virtual gfx::Rect GetWindowBoundsInScreen() const OVERRIDE; 68 virtual gfx::Rect GetClientAreaBoundsInScreen() const OVERRIDE; 69 virtual gfx::Rect GetRestoredBounds() const OVERRIDE; 70 virtual gfx::Rect GetWorkAreaBoundsInScreen() const OVERRIDE; 71 virtual void SetShape(gfx::NativeRegion native_region) OVERRIDE; 72 virtual void Activate() OVERRIDE; 73 virtual void Deactivate() OVERRIDE; 74 virtual bool IsActive() const OVERRIDE; 75 virtual void Maximize() OVERRIDE; 76 virtual void Minimize() OVERRIDE; 77 virtual void Restore() OVERRIDE; 78 virtual bool IsMaximized() const OVERRIDE; 79 virtual bool IsMinimized() const OVERRIDE; 80 virtual bool HasCapture() const OVERRIDE; 81 virtual void SetAlwaysOnTop(bool always_on_top) OVERRIDE; 82 virtual bool IsAlwaysOnTop() const OVERRIDE; 83 virtual void SetVisibleOnAllWorkspaces(bool always_visible) OVERRIDE; 84 virtual bool SetWindowTitle(const base::string16& title) OVERRIDE; 85 virtual void ClearNativeFocus() OVERRIDE; 86 virtual Widget::MoveLoopResult RunMoveLoop( 87 const gfx::Vector2d& drag_offset, 88 Widget::MoveLoopSource source, 89 Widget::MoveLoopEscapeBehavior escape_behavior) OVERRIDE; 90 virtual void EndMoveLoop() OVERRIDE; 91 virtual void SetVisibilityChangedAnimationsEnabled(bool value) OVERRIDE; 92 virtual bool ShouldUseNativeFrame() const OVERRIDE; 93 virtual bool ShouldWindowContentsBeTransparent() const OVERRIDE; 94 virtual void FrameTypeChanged() OVERRIDE; 95 virtual void SetFullscreen(bool fullscreen) OVERRIDE; 96 virtual bool IsFullscreen() const OVERRIDE; 97 virtual void SetOpacity(unsigned char opacity) 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 void FlashFrame(bool flash_frame) OVERRIDE; 102 virtual void OnRootViewLayout() const OVERRIDE; 103 virtual void OnNativeWidgetFocus() OVERRIDE; 104 virtual void OnNativeWidgetBlur() OVERRIDE; 105 virtual bool IsAnimatingClosed() const OVERRIDE; 106 virtual bool IsTranslucentWindowOpacitySupported() const OVERRIDE; 107 108 // Overridden from aura::WindowTreeHost: 109 virtual ui::EventSource* GetEventSource() OVERRIDE; 110 virtual gfx::AcceleratedWidget GetAcceleratedWidget() OVERRIDE; 111 virtual void Show() OVERRIDE; 112 virtual void Hide() OVERRIDE; 113 virtual gfx::Rect GetBounds() const OVERRIDE; 114 virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE; 115 virtual gfx::Point GetLocationOnNativeScreen() const OVERRIDE; 116 virtual void SetCapture() OVERRIDE; 117 virtual void ReleaseCapture() OVERRIDE; 118 virtual void PostNativeEvent(const base::NativeEvent& native_event) OVERRIDE; 119 virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE; 120 virtual void SetCursorNative(gfx::NativeCursor cursor) OVERRIDE; 121 virtual void OnCursorVisibilityChangedNative(bool show) OVERRIDE; 122 virtual void MoveCursorToNative(const gfx::Point& location) OVERRIDE; 123 124 // Overridden frm ui::EventSource 125 virtual ui::EventProcessor* GetEventProcessor() OVERRIDE; 126 127 // Overridden from aura::client::AnimationHost 128 virtual void SetHostTransitionOffsets( 129 const gfx::Vector2d& top_left_delta, 130 const gfx::Vector2d& bottom_right_delta) OVERRIDE; 131 virtual void OnWindowHidingAnimationCompleted() OVERRIDE; 132 133 // Overridden from HWNDMessageHandlerDelegate: 134 virtual bool IsWidgetWindow() const OVERRIDE; 135 virtual bool IsUsingCustomFrame() const OVERRIDE; 136 virtual void SchedulePaint() OVERRIDE; 137 virtual void EnableInactiveRendering() OVERRIDE; 138 virtual bool IsInactiveRenderingDisabled() OVERRIDE; 139 virtual bool CanResize() const OVERRIDE; 140 virtual bool CanMaximize() const OVERRIDE; 141 virtual bool CanActivate() const OVERRIDE; 142 virtual bool WidgetSizeIsClientSize() const OVERRIDE; 143 virtual bool IsModal() const OVERRIDE; 144 virtual int GetInitialShowState() const OVERRIDE; 145 virtual bool WillProcessWorkAreaChange() const OVERRIDE; 146 virtual int GetNonClientComponent(const gfx::Point& point) const OVERRIDE; 147 virtual void GetWindowMask(const gfx::Size& size, gfx::Path* path) OVERRIDE; 148 virtual bool GetClientAreaInsets(gfx::Insets* insets) const OVERRIDE; 149 virtual void GetMinMaxSize(gfx::Size* min_size, 150 gfx::Size* max_size) const OVERRIDE; 151 virtual gfx::Size GetRootViewSize() const OVERRIDE; 152 virtual void ResetWindowControls() OVERRIDE; 153 virtual void PaintLayeredWindow(gfx::Canvas* canvas) OVERRIDE; 154 virtual gfx::NativeViewAccessible GetNativeViewAccessible() OVERRIDE; 155 virtual bool ShouldHandleSystemCommands() const OVERRIDE; 156 virtual InputMethod* GetInputMethod() OVERRIDE; 157 virtual void HandleAppDeactivated() OVERRIDE; 158 virtual void HandleActivationChanged(bool active) OVERRIDE; 159 virtual bool HandleAppCommand(short command) OVERRIDE; 160 virtual void HandleCancelMode() OVERRIDE; 161 virtual void HandleCaptureLost() OVERRIDE; 162 virtual void HandleClose() OVERRIDE; 163 virtual bool HandleCommand(int command) OVERRIDE; 164 virtual void HandleAccelerator(const ui::Accelerator& accelerator) OVERRIDE; 165 virtual void HandleCreate() OVERRIDE; 166 virtual void HandleDestroying() OVERRIDE; 167 virtual void HandleDestroyed() OVERRIDE; 168 virtual bool HandleInitialFocus(ui::WindowShowState show_state) OVERRIDE; 169 virtual void HandleDisplayChange() OVERRIDE; 170 virtual void HandleBeginWMSizeMove() OVERRIDE; 171 virtual void HandleEndWMSizeMove() OVERRIDE; 172 virtual void HandleMove() OVERRIDE; 173 virtual void HandleWorkAreaChanged() OVERRIDE; 174 virtual void HandleVisibilityChanging(bool visible) OVERRIDE; 175 virtual void HandleVisibilityChanged(bool visible) OVERRIDE; 176 virtual void HandleClientSizeChanged(const gfx::Size& new_size) OVERRIDE; 177 virtual void HandleFrameChanged() OVERRIDE; 178 virtual void HandleNativeFocus(HWND last_focused_window) OVERRIDE; 179 virtual void HandleNativeBlur(HWND focused_window) OVERRIDE; 180 virtual bool HandleMouseEvent(const ui::MouseEvent& event) OVERRIDE; 181 virtual bool HandleKeyEvent(const ui::KeyEvent& event) OVERRIDE; 182 virtual bool HandleUntranslatedKeyEvent(const ui::KeyEvent& event) OVERRIDE; 183 virtual void HandleTouchEvent(const ui::TouchEvent& event) OVERRIDE; 184 virtual bool HandleIMEMessage(UINT message, 185 WPARAM w_param, 186 LPARAM l_param, 187 LRESULT* result) OVERRIDE; 188 virtual void HandleInputLanguageChange(DWORD character_set, 189 HKL input_language_id) OVERRIDE; 190 virtual bool HandlePaintAccelerated(const gfx::Rect& invalid_rect) OVERRIDE; 191 virtual void HandlePaint(gfx::Canvas* canvas) OVERRIDE; 192 virtual bool HandleTooltipNotify(int w_param, 193 NMHDR* l_param, 194 LRESULT* l_result) OVERRIDE; 195 virtual void HandleTooltipMouseMove(UINT message, 196 WPARAM w_param, 197 LPARAM l_param) OVERRIDE; 198 virtual void HandleMenuLoop(bool in_menu_loop) OVERRIDE; 199 virtual bool PreHandleMSG(UINT message, 200 WPARAM w_param, 201 LPARAM l_param, 202 LRESULT* result) OVERRIDE; 203 virtual void PostHandleMSG(UINT message, 204 WPARAM w_param, 205 LPARAM l_param) OVERRIDE; 206 virtual bool HandleScrollEvent(const ui::ScrollEvent& event) OVERRIDE; 207 virtual void HandleWindowSizeChanging() OVERRIDE; 208 209 Widget* GetWidget(); 210 const Widget* GetWidget() const; 211 HWND GetHWND() const; 212 213 private: 214 void SetWindowTransparency(); 215 216 // Returns true if a modal window is active in the current root window chain. 217 bool IsModalWindowActive() const; 218 219 scoped_ptr<HWNDMessageHandler> message_handler_; 220 scoped_ptr<aura::client::FocusClient> focus_client_; 221 222 // TODO(beng): Consider providing an interface to DesktopNativeWidgetAura 223 // instead of providing this route back to Widget. 224 internal::NativeWidgetDelegate* native_widget_delegate_; 225 226 DesktopNativeWidgetAura* desktop_native_widget_aura_; 227 228 aura::Window* content_window_; 229 230 // Owned by DesktopNativeWidgetAura. 231 DesktopDragDropClientWin* drag_drop_client_; 232 233 // When certain windows are being shown, we augment the window size 234 // temporarily for animation. The following two members contain the top left 235 // and bottom right offsets which are used to enlarge the window. 236 gfx::Vector2d window_expansion_top_left_delta_; 237 gfx::Vector2d window_expansion_bottom_right_delta_; 238 239 // Windows are enlarged to be at least 64x64 pixels, so keep track of the 240 // extra added here. 241 gfx::Vector2d window_enlargement_; 242 243 // Whether the window close should be converted to a hide, and then actually 244 // closed on the completion of the hide animation. This is cached because 245 // the property is set on the contained window which has a shorter lifetime. 246 bool should_animate_window_close_; 247 248 // When Close()d and animations are being applied to this window, the close 249 // of the window needs to be deferred to when the close animation is 250 // completed. This variable indicates that a Close was converted to a Hide, 251 // so that when the Hide is completed the host window should be closed. 252 bool pending_close_; 253 254 // True if the widget is going to have a non_client_view. We cache this value 255 // rather than asking the Widget for the non_client_view so that we know at 256 // Init time, before the Widget has created the NonClientView. 257 bool has_non_client_view_; 258 259 // Owned by TooltipController, but we need to forward events to it so we keep 260 // a reference. 261 corewm::TooltipWin* tooltip_; 262 263 // Visibility of the cursor. On Windows we can have multiple root windows and 264 // the implementation of ::ShowCursor() is based on a counter, so making this 265 // member static ensures that ::ShowCursor() is always called exactly once 266 // whenever the cursor visibility state changes. 267 static bool is_cursor_visible_; 268 269 scoped_ptr<aura::client::ScopedTooltipDisabler> tooltip_disabler_; 270 271 DISALLOW_COPY_AND_ASSIGN(DesktopWindowTreeHostWin); 272 }; 273 274 } // namespace views 275 276 #endif // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_WIN_H_ 277
