ui/views/widget/native_widget_aura.h

   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_AURA_H_
   6 #define UI_VIEWS_WIDGET_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_observer.h"
  12 #include "ui/base/cursor/cursor.h"
  13 #include "ui/events/event_constants.h"
  14 #include "ui/views/views_export.h"
  15 #include "ui/views/widget/native_widget_private.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 Window;
  22 }
  23 namespace gfx {
  24 class FontList;
  25 }
  26
  27 namespace views {
  28
  29 class DropHelper;
  30 class TooltipManagerAura;
  31 class WindowReorderer;
  32
  33 class VIEWS_EXPORT NativeWidgetAura
  34     : public internal::NativeWidgetPrivate,
  35       public aura::WindowDelegate,
  36       public aura::WindowObserver,
  37       public aura::client::ActivationDelegate,
  38       public aura::client::ActivationChangeObserver,
  39       public aura::client::FocusChangeObserver,
  40       public aura::client::DragDropDelegate {
  41  public:
  42   explicit NativeWidgetAura(internal::NativeWidgetDelegate* delegate);
  43
  44   // Called internally by NativeWidgetAura and DesktopNativeWidgetAura to
  45   // associate |native_widget| with |window|.
  46   static void RegisterNativeWidgetForWindow(
  47       internal::NativeWidgetPrivate* native_widget,
  48       aura::Window* window);
  49
  50   // Overridden from internal::NativeWidgetPrivate:
  51   void InitNativeWidget(const Widget::InitParams& params) override;
  52   NonClientFrameView* CreateNonClientFrameView() override;
  53   bool ShouldUseNativeFrame() const override;
  54   bool ShouldWindowContentsBeTransparent() const override;
  55   void FrameTypeChanged() override;
  56   Widget* GetWidget() override;
  57   const Widget* GetWidget() const override;
  58   gfx::NativeView GetNativeView() const override;
  59   gfx::NativeWindow GetNativeWindow() const override;
  60   Widget* GetTopLevelWidget() override;
  61   const ui::Compositor* GetCompositor() const override;
  62   const ui::Layer* GetLayer() const override;
  63   void ReorderNativeViews() override;
  64   void ViewRemoved(View* view) override;
  65   void SetNativeWindowProperty(const char* name, void* value) override;
  66   void* GetNativeWindowProperty(const char* name) const override;
  67   TooltipManager* GetTooltipManager() const override;
  68   void SetCapture() override;
  69   void ReleaseCapture() override;
  70   bool HasCapture() const override;
  71   ui::InputMethod* GetInputMethod() override;
  72   void CenterWindow(const gfx::Size& size) override;
  73   void GetWindowPlacement(gfx::Rect* bounds,
  74                           ui::WindowShowState* maximized) const override;
  75   bool SetWindowTitle(const base::string16& title) override;
  76   void SetWindowIcons(const gfx::ImageSkia& window_icon,
  77                       const gfx::ImageSkia& app_icon) override;
  78   void InitModalType(ui::ModalType modal_type) override;
  79   gfx::Rect GetWindowBoundsInScreen() const override;
  80   gfx::Rect GetClientAreaBoundsInScreen() const override;
  81   gfx::Rect GetRestoredBounds() const override;
  82   void SetBounds(const gfx::Rect& bounds) override;
  83   void SetSize(const gfx::Size& size) override;
  84   void StackAbove(gfx::NativeView native_view) override;
  85   void StackAtTop() override;
  86   void StackBelow(gfx::NativeView native_view) override;
  87   void SetShape(SkRegion* shape) override;
  88   void Close() override;
  89   void CloseNow() override;
  90   void Show() override;
  91   void Hide() override;
  92   void ShowMaximizedWithBounds(const gfx::Rect& restored_bounds) override;
  93   void ShowWithWindowState(ui::WindowShowState state) override;
  94   bool IsVisible() const override;
  95   void Activate() override;
  96   void Deactivate() override;
  97   bool IsActive() const override;
  98   void SetAlwaysOnTop(bool always_on_top) override;
  99   bool IsAlwaysOnTop() const override;
 100   void SetVisibleOnAllWorkspaces(bool always_visible) override;
 101   void Maximize() override;
 102   void Minimize() override;
 103   bool IsMaximized() const override;
 104   bool IsMinimized() const override;
 105   void Restore() override;
 106   void SetFullscreen(bool fullscreen) override;
 107   bool IsFullscreen() const override;
 108   void SetOpacity(unsigned char opacity) override;
 109   void SetUseDragFrame(bool use_drag_frame) override;
 110   void FlashFrame(bool flash_frame) override;
 111   void RunShellDrag(View* view,
 112                     const ui::OSExchangeData& data,
 113                     const gfx::Point& location,
 114                     int operation,
 115                     ui::DragDropTypes::DragEventSource source) override;
 116   void SchedulePaintInRect(const gfx::Rect& rect) override;
 117   void SetCursor(gfx::NativeCursor cursor) override;
 118   bool IsMouseEventsEnabled() const override;
 119   void ClearNativeFocus() override;
 120   gfx::Rect GetWorkAreaBoundsInScreen() const override;
 121   Widget::MoveLoopResult RunMoveLoop(
 122       const gfx::Vector2d& drag_offset,
 123       Widget::MoveLoopSource source,
 124       Widget::MoveLoopEscapeBehavior escape_behavior) override;
 125   void EndMoveLoop() override;
 126   void SetVisibilityChangedAnimationsEnabled(bool value) override;
 127   void SetVisibilityAnimationDuration(const base::TimeDelta& duration) override;
 128   void SetVisibilityAnimationTransition(
 129       Widget::VisibilityTransition transition) override;
 130   ui::NativeTheme* GetNativeTheme() const override;
 131   void OnRootViewLayout() override;
 132   bool IsTranslucentWindowOpacitySupported() const override;
 133   void OnSizeConstraintsChanged() override;
 134   void RepostNativeEvent(gfx::NativeEvent native_event) override;
 135
 136   // Overridden from aura::WindowDelegate:
 137   gfx::Size GetMinimumSize() const override;
 138   gfx::Size GetMaximumSize() const override;
 139   void OnBoundsChanged(const gfx::Rect& old_bounds,
 140                        const gfx::Rect& new_bounds) override;
 141   gfx::NativeCursor GetCursor(const gfx::Point& point) override;
 142   int GetNonClientComponent(const gfx::Point& point) const override;
 143   bool ShouldDescendIntoChildForEventHandling(
 144       aura::Window* child,
 145       const gfx::Point& location) override;
 146   bool CanFocus() override;
 147   void OnCaptureLost() override;
 148   void OnPaint(const ui::PaintContext& context) override;
 149   void OnDeviceScaleFactorChanged(float device_scale_factor) override;
 150   void OnWindowDestroying(aura::Window* window) override;
 151   void OnWindowDestroyed(aura::Window* window) override;
 152   void OnWindowTargetVisibilityChanged(bool visible) override;
 153   bool HasHitTestMask() const override;
 154   void GetHitTestMask(gfx::Path* mask) const override;
 155
 156   // Overridden from aura::WindowObserver:
 157   void OnWindowPropertyChanged(aura::Window* window,
 158                                const void* key,
 159                                intptr_t old) override;
 160
 161   // Overridden from ui::EventHandler:
 162   void OnKeyEvent(ui::KeyEvent* event) override;
 163   void OnMouseEvent(ui::MouseEvent* event) override;
 164   void OnScrollEvent(ui::ScrollEvent* event) override;
 165   void OnGestureEvent(ui::GestureEvent* event) override;
 166
 167   // Overridden from aura::client::ActivationDelegate:
 168   bool ShouldActivate() const override;
 169
 170   // Overridden from aura::client::ActivationChangeObserver:
 171   void OnWindowActivated(
 172       aura::client::ActivationChangeObserver::ActivationReason reason,
 173       aura::Window* gained_active,
 174       aura::Window* lost_active) override;
 175
 176   // Overridden from aura::client::FocusChangeObserver:
 177   void OnWindowFocused(aura::Window* gained_focus,
 178                        aura::Window* lost_focus) override;
 179
 180   // Overridden from aura::client::DragDropDelegate:
 181   void OnDragEntered(const ui::DropTargetEvent& event) override;
 182   int OnDragUpdated(const ui::DropTargetEvent& event) override;
 183   void OnDragExited() override;
 184   int OnPerformDrop(const ui::DropTargetEvent& event) override;
 185
 186  protected:
 187   ~NativeWidgetAura() override;
 188
 189   internal::NativeWidgetDelegate* delegate() { return delegate_; }
 190
 191  private:
 192   class ActiveWindowObserver;
 193
 194   bool IsDocked() const;
 195   void SetInitialFocus(ui::WindowShowState show_state);
 196
 197   internal::NativeWidgetDelegate* delegate_;
 198
 199   // WARNING: set to NULL when destroyed. As the Widget is not necessarily
 200   // destroyed along with |window_| all usage of |window_| should first verify
 201   // non-NULL.
 202   aura::Window* window_;
 203
 204   // See class documentation for Widget in widget.h for a note about ownership.
 205   Widget::InitParams::Ownership ownership_;
 206
 207   // Are we in the destructor?
 208   bool destroying_;
 209
 210   gfx::NativeCursor cursor_;
 211
 212   // The saved window state for exiting full screen state.
 213   ui::WindowShowState saved_window_state_;
 214
 215   scoped_ptr<TooltipManagerAura> tooltip_manager_;
 216
 217   // Reorders child windows of |window_| associated with a view based on the
 218   // order of the associated views in the widget's view hierarchy.
 219   scoped_ptr<WindowReorderer> window_reorderer_;
 220
 221   scoped_ptr<DropHelper> drop_helper_;
 222   int last_drop_operation_;
 223
 224   // The following factory is used for calls to close the NativeWidgetAura
 225   // instance.
 226   base::WeakPtrFactory<NativeWidgetAura> close_widget_factory_;
 227
 228   DISALLOW_COPY_AND_ASSIGN(NativeWidgetAura);
 229 };
 230
 231 }  // namespace views
 232
 233 #endif  // UI_VIEWS_WIDGET_NATIVE_WIDGET_AURA_H_