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/scoped_vector.h"
   9 #include "base/memory/weak_ptr.h"
  10 #include "ui/aura/client/focus_change_observer.h"
  11 #include "ui/aura/window_delegate.h"
  12 #include "ui/aura/window_observer.h"
  13 #include "ui/base/cursor/cursor.h"
  14 #include "ui/events/event_constants.h"
  15 #include "ui/views/views_export.h"
  16 #include "ui/views/widget/native_widget_private.h"
  17 #include "ui/wm/public/activation_change_observer.h"
  18 #include "ui/wm/public/activation_delegate.h"
  19 #include "ui/wm/public/drag_drop_delegate.h"
  20
  21 namespace aura {
  22 class Window;
  23 }
  24 namespace gfx {
  25 class FontList;
  26 }
  27
  28 namespace views {
  29
  30 class DropHelper;
  31 class TooltipManagerAura;
  32 class WindowReorderer;
  33
  34 class VIEWS_EXPORT NativeWidgetAura
  35     : public internal::NativeWidgetPrivate,
  36       public aura::WindowDelegate,
  37       public aura::WindowObserver,
  38       public aura::client::ActivationDelegate,
  39       public aura::client::ActivationChangeObserver,
  40       public aura::client::FocusChangeObserver,
  41       public aura::client::DragDropDelegate {
  42  public:
  43   explicit NativeWidgetAura(internal::NativeWidgetDelegate* delegate);
  44
  45   // Called internally by NativeWidgetAura and DesktopNativeWidgetAura to
  46   // associate |native_widget| with |window|.
  47   static void RegisterNativeWidgetForWindow(
  48       internal::NativeWidgetPrivate* native_widget,
  49       aura::Window* window);
  50
  51   // Overridden from internal::NativeWidgetPrivate:
  52   void InitNativeWidget(const Widget::InitParams& params) override;
  53   NonClientFrameView* CreateNonClientFrameView() override;
  54   bool ShouldUseNativeFrame() const override;
  55   bool ShouldWindowContentsBeTransparent() const override;
  56   void FrameTypeChanged() override;
  57   Widget* GetWidget() override;
  58   const Widget* GetWidget() const override;
  59   gfx::NativeView GetNativeView() const override;
  60   gfx::NativeWindow GetNativeWindow() const override;
  61   Widget* GetTopLevelWidget() override;
  62   const ui::Compositor* GetCompositor() const override;
  63   const ui::Layer* GetLayer() const override;
  64   void ReorderNativeViews() override;
  65   void ViewRemoved(View* view) override;
  66   void SetNativeWindowProperty(const char* name, void* value) override;
  67   void* GetNativeWindowProperty(const char* name) const override;
  68   TooltipManager* GetTooltipManager() const override;
  69   void SetCapture() override;
  70   void ReleaseCapture() override;
  71   bool HasCapture() const override;
  72   ui::InputMethod* GetInputMethod() override;
  73   void CenterWindow(const gfx::Size& size) override;
  74   void GetWindowPlacement(gfx::Rect* bounds,
  75                           ui::WindowShowState* maximized) const override;
  76   bool SetWindowTitle(const base::string16& title) override;
  77   void SetWindowIcons(const gfx::ImageSkia& window_icon,
  78                       const gfx::ImageSkia& app_icon) override;
  79   void InitModalType(ui::ModalType modal_type) override;
  80   gfx::Rect GetWindowBoundsInScreen() const override;
  81   gfx::Rect GetClientAreaBoundsInScreen() const override;
  82   gfx::Rect GetRestoredBounds() const override;
  83   void SetBounds(const gfx::Rect& bounds) override;
  84   void SetSize(const gfx::Size& size) override;
  85   void StackAbove(gfx::NativeView native_view) override;
  86   void StackAtTop() override;
  87   void StackBelow(gfx::NativeView native_view) override;
  88   void SetShape(SkRegion* shape) override;
  89   void Close() override;
  90   void CloseNow() override;
  91   void Show() override;
  92   void Hide() override;
  93   void ShowMaximizedWithBounds(const gfx::Rect& restored_bounds) override;
  94   void ShowWithWindowState(ui::WindowShowState state) override;
  95   bool IsVisible() const override;
  96   void Activate() override;
  97   void Deactivate() override;
  98   bool IsActive() const override;
  99   void SetAlwaysOnTop(bool always_on_top) override;
 100   bool IsAlwaysOnTop() const override;
 101   void SetVisibleOnAllWorkspaces(bool always_visible) override;
 102   void Maximize() override;
 103   void Minimize() override;
 104   bool IsMaximized() const override;
 105   bool IsMinimized() const override;
 106   void Restore() override;
 107   void SetFullscreen(bool fullscreen) override;
 108   bool IsFullscreen() const override;
 109   void SetOpacity(unsigned char opacity) override;
 110   void SetUseDragFrame(bool use_drag_frame) override;
 111   void FlashFrame(bool flash_frame) override;
 112   void RunShellDrag(View* view,
 113                     const ui::OSExchangeData& data,
 114                     const gfx::Point& location,
 115                     int operation,
 116                     ui::DragDropTypes::DragEventSource source) override;
 117   void SchedulePaintInRect(const gfx::Rect& rect) override;
 118   void SetCursor(gfx::NativeCursor cursor) override;
 119   bool IsMouseEventsEnabled() const override;
 120   void ClearNativeFocus() override;
 121   gfx::Rect GetWorkAreaBoundsInScreen() const override;
 122   Widget::MoveLoopResult RunMoveLoop(
 123       const gfx::Vector2d& drag_offset,
 124       Widget::MoveLoopSource source,
 125       Widget::MoveLoopEscapeBehavior escape_behavior) override;
 126   void EndMoveLoop() override;
 127   void SetVisibilityChangedAnimationsEnabled(bool value) override;
 128   void SetVisibilityAnimationDuration(const base::TimeDelta& duration) override;
 129   void SetVisibilityAnimationTransition(
 130       Widget::VisibilityTransition transition) override;
 131   ui::NativeTheme* GetNativeTheme() const override;
 132   void OnRootViewLayout() override;
 133   bool IsTranslucentWindowOpacitySupported() const override;
 134   void OnSizeConstraintsChanged() override;
 135   void RepostNativeEvent(gfx::NativeEvent native_event) override;
 136
 137   // Overridden from aura::WindowDelegate:
 138   gfx::Size GetMinimumSize() const override;
 139   gfx::Size GetMaximumSize() const override;
 140   void OnBoundsChanged(const gfx::Rect& old_bounds,
 141                        const gfx::Rect& new_bounds) override;
 142   gfx::NativeCursor GetCursor(const gfx::Point& point) override;
 143   int GetNonClientComponent(const gfx::Point& point) const override;
 144   bool ShouldDescendIntoChildForEventHandling(
 145       aura::Window* child,
 146       const gfx::Point& location) override;
 147   bool CanFocus() override;
 148   void OnCaptureLost() override;
 149   void OnPaint(const ui::PaintContext& context) override;
 150   void OnDeviceScaleFactorChanged(float device_scale_factor) override;
 151   void OnWindowDestroying(aura::Window* window) override;
 152   void OnWindowDestroyed(aura::Window* window) override;
 153   void OnWindowTargetVisibilityChanged(bool visible) override;
 154   bool HasHitTestMask() const override;
 155   void GetHitTestMask(gfx::Path* mask) const override;
 156
 157   // Overridden from aura::WindowObserver:
 158   void OnWindowPropertyChanged(aura::Window* window,
 159                                const void* key,
 160                                intptr_t old) override;
 161
 162   // Overridden from ui::EventHandler:
 163   void OnKeyEvent(ui::KeyEvent* event) override;
 164   void OnMouseEvent(ui::MouseEvent* event) override;
 165   void OnScrollEvent(ui::ScrollEvent* event) override;
 166   void OnGestureEvent(ui::GestureEvent* event) override;
 167
 168   // Overridden from aura::client::ActivationDelegate:
 169   bool ShouldActivate() const override;
 170
 171   // Overridden from aura::client::ActivationChangeObserver:
 172   void OnWindowActivated(
 173       aura::client::ActivationChangeObserver::ActivationReason reason,
 174       aura::Window* gained_active,
 175       aura::Window* lost_active) override;
 176
 177   // Overridden from aura::client::FocusChangeObserver:
 178   void OnWindowFocused(aura::Window* gained_focus,
 179                        aura::Window* lost_focus) override;
 180
 181   // Overridden from aura::client::DragDropDelegate:
 182   void OnDragEntered(const ui::DropTargetEvent& event) override;
 183   int OnDragUpdated(const ui::DropTargetEvent& event) override;
 184   void OnDragExited() override;
 185   int OnPerformDrop(const ui::DropTargetEvent& event) override;
 186
 187  protected:
 188   ~NativeWidgetAura() override;
 189
 190   internal::NativeWidgetDelegate* delegate() { return delegate_; }
 191
 192  private:
 193   class ActiveWindowObserver;
 194
 195   bool IsDocked() const;
 196   void SetInitialFocus(ui::WindowShowState show_state);
 197
 198   internal::NativeWidgetDelegate* delegate_;
 199
 200   // WARNING: set to NULL when destroyed. As the Widget is not necessarily
 201   // destroyed along with |window_| all usage of |window_| should first verify
 202   // non-NULL.
 203   aura::Window* window_;
 204
 205   // See class documentation for Widget in widget.h for a note about ownership.
 206   Widget::InitParams::Ownership ownership_;
 207
 208   // Are we in the destructor?
 209   bool destroying_;
 210
 211   gfx::NativeCursor cursor_;
 212
 213   // The saved window state for exiting full screen state.
 214   ui::WindowShowState saved_window_state_;
 215
 216   scoped_ptr<TooltipManagerAura> tooltip_manager_;
 217
 218   // Reorders child windows of |window_| associated with a view based on the
 219   // order of the associated views in the widget's view hierarchy.
 220   scoped_ptr<WindowReorderer> window_reorderer_;
 221
 222   scoped_ptr<DropHelper> drop_helper_;
 223   int last_drop_operation_;
 224
 225   // The following factory is used for calls to close the NativeWidgetAura
 226   // instance.
 227   base::WeakPtrFactory<NativeWidgetAura> close_widget_factory_;
 228
 229   DISALLOW_COPY_AND_ASSIGN(NativeWidgetAura);
 230 };
 231
 232 }  // namespace views
 233
 234 #endif  // UI_VIEWS_WIDGET_NATIVE_WIDGET_AURA_H_