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_NATIVE_WIDGET_AURA_H_ 6 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_NATIVE_WIDGET_AURA_H_ 7 8 #include "base/memory/weak_ptr.h" 9 #include "ui/aura/client/focus_change_observer.h" 10 #include "ui/aura/window_delegate.h" 11 #include "ui/aura/window_tree_host_observer.h" 12 #include "ui/base/cursor/cursor.h" 13 #include "ui/views/ime/input_method_delegate.h" 14 #include "ui/views/widget/native_widget_private.h" 15 #include "ui/wm/core/compound_event_filter.h" 16 #include "ui/wm/public/activation_change_observer.h" 17 #include "ui/wm/public/activation_delegate.h" 18 #include "ui/wm/public/drag_drop_delegate.h" 19 20 namespace aura { 21 class WindowEventDispatcher; 22 class WindowTreeHost; 23 namespace client { 24 class DragDropClient; 25 class FocusClient; 26 class ScreenPositionClient; 27 class WindowTreeClient; 28 } 29 } 30 31 namespace wm { 32 class CompoundEventFilter; 33 class CursorManager; 34 class FocusController; 35 class InputMethodEventFilter; 36 class ShadowController; 37 class VisibilityController; 38 class WindowModalityController; 39 } 40 41 namespace views { 42 namespace corewm { 43 class TooltipController; 44 } 45 class DesktopCaptureClient; 46 class DesktopDispatcherClient; 47 class DesktopEventClient; 48 class DesktopNativeCursorManager; 49 class DesktopWindowTreeHost; 50 class DropHelper; 51 class FocusManagerEventHandler; 52 class TooltipManagerAura; 53 class WindowReorderer; 54 55 class VIEWS_EXPORT DesktopNativeWidgetAura 56 : public internal::NativeWidgetPrivate, 57 public aura::WindowDelegate, 58 public aura::client::ActivationDelegate, 59 public aura::client::ActivationChangeObserver, 60 public aura::client::FocusChangeObserver, 61 public views::internal::InputMethodDelegate, 62 public aura::client::DragDropDelegate, 63 public aura::WindowTreeHostObserver { 64 public: 65 explicit DesktopNativeWidgetAura(internal::NativeWidgetDelegate* delegate); 66 virtual ~DesktopNativeWidgetAura(); 67 68 // Maps from window to DesktopNativeWidgetAura. |window| must be a root 69 // window. 70 static DesktopNativeWidgetAura* ForWindow(aura::Window* window); 71 72 // Called by our DesktopWindowTreeHost after it has deleted native resources; 73 // this is the signal that we should start our shutdown. 74 virtual void OnHostClosed(); 75 76 // TODO(beng): remove this method and replace with an implementation of 77 // WindowDestroying() that takes the window being destroyed. 78 // Called from ~DesktopWindowTreeHost. This takes the WindowEventDispatcher 79 // as by the time we get here |dispatcher_| is NULL. 80 virtual void OnDesktopWindowTreeHostDestroyed(aura::WindowTreeHost* host); 81 82 wm::InputMethodEventFilter* input_method_event_filter() { 83 return input_method_event_filter_.get(); 84 } 85 wm::CompoundEventFilter* root_window_event_filter() { 86 return root_window_event_filter_.get(); 87 } 88 aura::WindowTreeHost* host() { 89 return host_.get(); 90 } 91 92 // Ensures that the correct window is activated/deactivated based on whether 93 // we are being activated/deactivated. 94 void HandleActivationChanged(bool active); 95 96 protected: 97 // Overridden from internal::NativeWidgetPrivate: 98 virtual void InitNativeWidget(const Widget::InitParams& params) OVERRIDE; 99 virtual NonClientFrameView* CreateNonClientFrameView() OVERRIDE; 100 virtual bool ShouldUseNativeFrame() const OVERRIDE; 101 virtual bool ShouldWindowContentsBeTransparent() const OVERRIDE; 102 virtual void FrameTypeChanged() OVERRIDE; 103 virtual Widget* GetWidget() OVERRIDE; 104 virtual const Widget* GetWidget() const OVERRIDE; 105 virtual gfx::NativeView GetNativeView() const OVERRIDE; 106 virtual gfx::NativeWindow GetNativeWindow() const OVERRIDE; 107 virtual Widget* GetTopLevelWidget() OVERRIDE; 108 virtual const ui::Compositor* GetCompositor() const OVERRIDE; 109 virtual ui::Compositor* GetCompositor() OVERRIDE; 110 virtual ui::Layer* GetLayer() OVERRIDE; 111 virtual void ReorderNativeViews() OVERRIDE; 112 virtual void ViewRemoved(View* view) OVERRIDE; 113 virtual void SetNativeWindowProperty(const char* name, void* value) OVERRIDE; 114 virtual void* GetNativeWindowProperty(const char* name) const OVERRIDE; 115 virtual TooltipManager* GetTooltipManager() const OVERRIDE; 116 virtual void SetCapture() OVERRIDE; 117 virtual void ReleaseCapture() OVERRIDE; 118 virtual bool HasCapture() const OVERRIDE; 119 virtual InputMethod* CreateInputMethod() OVERRIDE; 120 virtual internal::InputMethodDelegate* GetInputMethodDelegate() OVERRIDE; 121 virtual ui::InputMethod* GetHostInputMethod() OVERRIDE; 122 virtual void CenterWindow(const gfx::Size& size) OVERRIDE; 123 virtual void GetWindowPlacement( 124 gfx::Rect* bounds, 125 ui::WindowShowState* maximized) const OVERRIDE; 126 virtual bool SetWindowTitle(const base::string16& title) OVERRIDE; 127 virtual void SetWindowIcons(const gfx::ImageSkia& window_icon, 128 const gfx::ImageSkia& app_icon) OVERRIDE; 129 virtual void InitModalType(ui::ModalType modal_type) OVERRIDE; 130 virtual gfx::Rect GetWindowBoundsInScreen() const OVERRIDE; 131 virtual gfx::Rect GetClientAreaBoundsInScreen() const OVERRIDE; 132 virtual gfx::Rect GetRestoredBounds() const OVERRIDE; 133 virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE; 134 virtual void SetSize(const gfx::Size& size) OVERRIDE; 135 virtual void StackAbove(gfx::NativeView native_view) OVERRIDE; 136 virtual void StackAtTop() OVERRIDE; 137 virtual void StackBelow(gfx::NativeView native_view) OVERRIDE; 138 virtual void SetShape(gfx::NativeRegion shape) OVERRIDE; 139 virtual void Close() OVERRIDE; 140 virtual void CloseNow() OVERRIDE; 141 virtual void Show() OVERRIDE; 142 virtual void Hide() OVERRIDE; 143 virtual void ShowMaximizedWithBounds( 144 const gfx::Rect& restored_bounds) OVERRIDE; 145 virtual void ShowWithWindowState(ui::WindowShowState state) OVERRIDE; 146 virtual bool IsVisible() const OVERRIDE; 147 virtual void Activate() OVERRIDE; 148 virtual void Deactivate() OVERRIDE; 149 virtual bool IsActive() const OVERRIDE; 150 virtual void SetAlwaysOnTop(bool always_on_top) OVERRIDE; 151 virtual bool IsAlwaysOnTop() const OVERRIDE; 152 virtual void SetVisibleOnAllWorkspaces(bool always_visible) OVERRIDE; 153 virtual void Maximize() OVERRIDE; 154 virtual void Minimize() OVERRIDE; 155 virtual bool IsMaximized() const OVERRIDE; 156 virtual bool IsMinimized() const OVERRIDE; 157 virtual void Restore() OVERRIDE; 158 virtual void SetFullscreen(bool fullscreen) OVERRIDE; 159 virtual bool IsFullscreen() const OVERRIDE; 160 virtual void SetOpacity(unsigned char opacity) OVERRIDE; 161 virtual void SetUseDragFrame(bool use_drag_frame) OVERRIDE; 162 virtual void FlashFrame(bool flash_frame) OVERRIDE; 163 virtual void RunShellDrag(View* view, 164 const ui::OSExchangeData& data, 165 const gfx::Point& location, 166 int operation, 167 ui::DragDropTypes::DragEventSource source) OVERRIDE; 168 virtual void SchedulePaintInRect(const gfx::Rect& rect) OVERRIDE; 169 virtual void SetCursor(gfx::NativeCursor cursor) OVERRIDE; 170 virtual bool IsMouseEventsEnabled() const OVERRIDE; 171 virtual void ClearNativeFocus() OVERRIDE; 172 virtual gfx::Rect GetWorkAreaBoundsInScreen() const OVERRIDE; 173 virtual Widget::MoveLoopResult RunMoveLoop( 174 const gfx::Vector2d& drag_offset, 175 Widget::MoveLoopSource source, 176 Widget::MoveLoopEscapeBehavior escape_behavior) OVERRIDE; 177 virtual void EndMoveLoop() OVERRIDE; 178 virtual void SetVisibilityChangedAnimationsEnabled(bool value) OVERRIDE; 179 virtual ui::NativeTheme* GetNativeTheme() const OVERRIDE; 180 virtual void OnRootViewLayout() const OVERRIDE; 181 virtual bool IsTranslucentWindowOpacitySupported() const OVERRIDE; 182 virtual void RepostNativeEvent(gfx::NativeEvent native_event) OVERRIDE; 183 184 // Overridden from aura::WindowDelegate: 185 virtual gfx::Size GetMinimumSize() const OVERRIDE; 186 virtual gfx::Size GetMaximumSize() const OVERRIDE; 187 virtual void OnBoundsChanged(const gfx::Rect& old_bounds, 188 const gfx::Rect& new_bounds) OVERRIDE {} 189 virtual gfx::NativeCursor GetCursor(const gfx::Point& point) OVERRIDE; 190 virtual int GetNonClientComponent(const gfx::Point& point) const OVERRIDE; 191 virtual bool ShouldDescendIntoChildForEventHandling( 192 aura::Window* child, 193 const gfx::Point& location) OVERRIDE; 194 virtual bool CanFocus() OVERRIDE; 195 virtual void OnCaptureLost() OVERRIDE; 196 virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE; 197 virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE; 198 virtual void OnWindowDestroying(aura::Window* window) OVERRIDE; 199 virtual void OnWindowDestroyed(aura::Window* window) OVERRIDE; 200 virtual void OnWindowTargetVisibilityChanged(bool visible) OVERRIDE; 201 virtual bool HasHitTestMask() const OVERRIDE; 202 virtual void GetHitTestMask(gfx::Path* mask) const OVERRIDE; 203 204 // Overridden from ui::EventHandler: 205 virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE; 206 virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE; 207 virtual void OnScrollEvent(ui::ScrollEvent* event) OVERRIDE; 208 virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE; 209 210 // Overridden from aura::client::ActivationDelegate: 211 virtual bool ShouldActivate() const OVERRIDE; 212 213 // Overridden from aura::client::ActivationChangeObserver: 214 virtual void OnWindowActivated(aura::Window* gained_active, 215 aura::Window* lost_active) OVERRIDE; 216 217 // Overridden from aura::client::FocusChangeObserver: 218 virtual void OnWindowFocused(aura::Window* gained_focus, 219 aura::Window* lost_focus) OVERRIDE; 220 221 // Overridden from views::internal::InputMethodDelegate: 222 virtual void DispatchKeyEventPostIME(const ui::KeyEvent& key) OVERRIDE; 223 224 // Overridden from aura::client::DragDropDelegate: 225 virtual void OnDragEntered(const ui::DropTargetEvent& event) OVERRIDE; 226 virtual int OnDragUpdated(const ui::DropTargetEvent& event) OVERRIDE; 227 virtual void OnDragExited() OVERRIDE; 228 virtual int OnPerformDrop(const ui::DropTargetEvent& event) OVERRIDE; 229 230 // Overridden from aura::WindowTreeHostObserver: 231 virtual void OnHostCloseRequested(const aura::WindowTreeHost* host) OVERRIDE; 232 virtual void OnHostResized(const aura::WindowTreeHost* host) OVERRIDE; 233 virtual void OnHostMoved(const aura::WindowTreeHost* host, 234 const gfx::Point& new_origin) OVERRIDE; 235 236 private: 237 friend class FocusManagerEventHandler; 238 friend class RootWindowDestructionObserver; 239 240 // Installs the input method filter. 241 void InstallInputMethodEventFilter(); 242 243 // To save a clear on platforms where the window is never transparent, the 244 // window is only set as transparent when the glass frame is in use. 245 void UpdateWindowTransparency(); 246 247 void RootWindowDestroyed(); 248 249 scoped_ptr<aura::WindowTreeHost> host_; 250 DesktopWindowTreeHost* desktop_window_tree_host_; 251 252 // See class documentation for Widget in widget.h for a note about ownership. 253 Widget::InitParams::Ownership ownership_; 254 255 scoped_ptr<DesktopCaptureClient> capture_client_; 256 257 // The following factory is used for calls to close the NativeWidgetAura 258 // instance. 259 base::WeakPtrFactory<DesktopNativeWidgetAura> close_widget_factory_; 260 261 // Child of the root, contains |content_window_|. 262 aura::Window* content_window_container_; 263 264 // Child of |content_window_container_|. This is the return value from 265 // GetNativeView(). 266 // WARNING: this may be NULL, in particular during shutdown it becomes NULL. 267 aura::Window* content_window_; 268 269 internal::NativeWidgetDelegate* native_widget_delegate_; 270 271 scoped_ptr<wm::FocusController> focus_client_; 272 scoped_ptr<DesktopDispatcherClient> dispatcher_client_; 273 scoped_ptr<aura::client::ScreenPositionClient> position_client_; 274 scoped_ptr<aura::client::DragDropClient> drag_drop_client_; 275 scoped_ptr<aura::client::WindowTreeClient> window_tree_client_; 276 scoped_ptr<DesktopEventClient> event_client_; 277 scoped_ptr<FocusManagerEventHandler> focus_manager_event_handler_; 278 279 // Toplevel event filter which dispatches to other event filters. 280 scoped_ptr<wm::CompoundEventFilter> root_window_event_filter_; 281 282 scoped_ptr<wm::InputMethodEventFilter> input_method_event_filter_; 283 284 scoped_ptr<DropHelper> drop_helper_; 285 int last_drop_operation_; 286 287 scoped_ptr<corewm::TooltipController> tooltip_controller_; 288 scoped_ptr<TooltipManagerAura> tooltip_manager_; 289 290 scoped_ptr<wm::VisibilityController> visibility_controller_; 291 292 scoped_ptr<wm::WindowModalityController> 293 window_modality_controller_; 294 295 bool restore_focus_on_activate_; 296 297 gfx::NativeCursor cursor_; 298 // We must manually reference count the number of users of |cursor_manager_| 299 // because the cursors created by |cursor_manager_| are shared among the 300 // DNWAs. We can't just stuff this in a LazyInstance because we need to 301 // destroy this as the last DNWA happens; we can't put it off until 302 // (potentially) after we tear down the X11 connection because that's a 303 // crash. 304 static int cursor_reference_count_; 305 static wm::CursorManager* cursor_manager_; 306 static views::DesktopNativeCursorManager* native_cursor_manager_; 307 308 scoped_ptr<wm::ShadowController> shadow_controller_; 309 310 // Reorders child windows of |window_| associated with a view based on the 311 // order of the associated views in the widget's view hierarchy. 312 scoped_ptr<WindowReorderer> window_reorderer_; 313 314 // See class documentation for Widget in widget.h for a note about type. 315 Widget::InitParams::Type widget_type_; 316 317 DISALLOW_COPY_AND_ASSIGN(DesktopNativeWidgetAura); 318 }; 319 320 } // namespace views 321 322 #endif // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_NATIVE_WIDGET_AURA_H_ 323
