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/base/cursor/cursor.h"
  13 #include "ui/events/event_constants.h"
  14 #include "ui/views/ime/input_method_delegate.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 internal::InputMethodDelegate,
  37       public aura::WindowDelegate,
  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   virtual void InitNativeWidget(const Widget::InitParams& params) OVERRIDE;
  53   virtual NonClientFrameView* CreateNonClientFrameView() OVERRIDE;
  54   virtual bool ShouldUseNativeFrame() const OVERRIDE;
  55   virtual bool ShouldWindowContentsBeTransparent() const OVERRIDE;
  56   virtual void FrameTypeChanged() OVERRIDE;
  57   virtual Widget* GetWidget() OVERRIDE;
  58   virtual const Widget* GetWidget() const OVERRIDE;
  59   virtual gfx::NativeView GetNativeView() const OVERRIDE;
  60   virtual gfx::NativeWindow GetNativeWindow() const OVERRIDE;
  61   virtual Widget* GetTopLevelWidget() OVERRIDE;
  62   virtual const ui::Compositor* GetCompositor() const OVERRIDE;
  63   virtual ui::Compositor* GetCompositor() OVERRIDE;
  64   virtual ui::Layer* GetLayer() OVERRIDE;
  65   virtual void ReorderNativeViews() OVERRIDE;
  66   virtual void ViewRemoved(View* view) OVERRIDE;
  67   virtual void SetNativeWindowProperty(const char* name, void* value) OVERRIDE;
  68   virtual void* GetNativeWindowProperty(const char* name) const OVERRIDE;
  69   virtual TooltipManager* GetTooltipManager() const OVERRIDE;
  70   virtual void SetCapture() OVERRIDE;
  71   virtual void ReleaseCapture() OVERRIDE;
  72   virtual bool HasCapture() const OVERRIDE;
  73   virtual InputMethod* CreateInputMethod() OVERRIDE;
  74   virtual internal::InputMethodDelegate* GetInputMethodDelegate() OVERRIDE;
  75   virtual ui::InputMethod* GetHostInputMethod() OVERRIDE;
  76   virtual void CenterWindow(const gfx::Size& size) OVERRIDE;
  77   virtual void GetWindowPlacement(
  78       gfx::Rect* bounds,
  79       ui::WindowShowState* maximized) const OVERRIDE;
  80   virtual bool SetWindowTitle(const base::string16& title) OVERRIDE;
  81   virtual void SetWindowIcons(const gfx::ImageSkia& window_icon,
  82                               const gfx::ImageSkia& app_icon) OVERRIDE;
  83   virtual void InitModalType(ui::ModalType modal_type) OVERRIDE;
  84   virtual gfx::Rect GetWindowBoundsInScreen() const OVERRIDE;
  85   virtual gfx::Rect GetClientAreaBoundsInScreen() const OVERRIDE;
  86   virtual gfx::Rect GetRestoredBounds() const OVERRIDE;
  87   virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
  88   virtual void SetSize(const gfx::Size& size) OVERRIDE;
  89   virtual void StackAbove(gfx::NativeView native_view) OVERRIDE;
  90   virtual void StackAtTop() OVERRIDE;
  91   virtual void StackBelow(gfx::NativeView native_view) OVERRIDE;
  92   virtual void SetShape(gfx::NativeRegion shape) OVERRIDE;
  93   virtual void Close() OVERRIDE;
  94   virtual void CloseNow() OVERRIDE;
  95   virtual void Show() OVERRIDE;
  96   virtual void Hide() OVERRIDE;
  97   virtual void ShowMaximizedWithBounds(
  98       const gfx::Rect& restored_bounds) OVERRIDE;
  99   virtual void ShowWithWindowState(ui::WindowShowState state) OVERRIDE;
 100   virtual bool IsVisible() const OVERRIDE;
 101   virtual void Activate() OVERRIDE;
 102   virtual void Deactivate() OVERRIDE;
 103   virtual bool IsActive() const OVERRIDE;
 104   virtual void SetAlwaysOnTop(bool always_on_top) OVERRIDE;
 105   virtual bool IsAlwaysOnTop() const OVERRIDE;
 106   virtual void SetVisibleOnAllWorkspaces(bool always_visible) OVERRIDE;
 107   virtual void Maximize() OVERRIDE;
 108   virtual void Minimize() OVERRIDE;
 109   virtual bool IsMaximized() const OVERRIDE;
 110   virtual bool IsMinimized() const OVERRIDE;
 111   virtual void Restore() OVERRIDE;
 112   virtual void SetFullscreen(bool fullscreen) OVERRIDE;
 113   virtual bool IsFullscreen() const OVERRIDE;
 114   virtual void SetOpacity(unsigned char opacity) OVERRIDE;
 115   virtual void SetUseDragFrame(bool use_drag_frame) OVERRIDE;
 116   virtual void FlashFrame(bool flash_frame) OVERRIDE;
 117   virtual void RunShellDrag(View* view,
 118                             const ui::OSExchangeData& data,
 119                             const gfx::Point& location,
 120                             int operation,
 121                             ui::DragDropTypes::DragEventSource source) OVERRIDE;
 122   virtual void SchedulePaintInRect(const gfx::Rect& rect) OVERRIDE;
 123   virtual void SetCursor(gfx::NativeCursor cursor) OVERRIDE;
 124   virtual bool IsMouseEventsEnabled() const OVERRIDE;
 125   virtual void ClearNativeFocus() OVERRIDE;
 126   virtual gfx::Rect GetWorkAreaBoundsInScreen() const OVERRIDE;
 127   virtual Widget::MoveLoopResult RunMoveLoop(
 128       const gfx::Vector2d& drag_offset,
 129       Widget::MoveLoopSource source,
 130       Widget::MoveLoopEscapeBehavior escape_behavior) OVERRIDE;
 131   virtual void EndMoveLoop() OVERRIDE;
 132   virtual void SetVisibilityChangedAnimationsEnabled(bool value) OVERRIDE;
 133   virtual ui::NativeTheme* GetNativeTheme() const OVERRIDE;
 134   virtual void OnRootViewLayout() const OVERRIDE;
 135   virtual void RepostNativeEvent(gfx::NativeEvent native_event) OVERRIDE;
 136
 137   // Overridden from views::InputMethodDelegate:
 138   virtual void DispatchKeyEventPostIME(const ui::KeyEvent& key) OVERRIDE;
 139
 140   // Overridden from aura::WindowDelegate:
 141   virtual gfx::Size GetMinimumSize() const OVERRIDE;
 142   virtual gfx::Size GetMaximumSize() const OVERRIDE;
 143   virtual void OnBoundsChanged(const gfx::Rect& old_bounds,
 144                                const gfx::Rect& new_bounds) OVERRIDE;
 145   virtual gfx::NativeCursor GetCursor(const gfx::Point& point) OVERRIDE;
 146   virtual int GetNonClientComponent(const gfx::Point& point) const OVERRIDE;
 147   virtual bool ShouldDescendIntoChildForEventHandling(
 148       aura::Window* child,
 149       const gfx::Point& location) OVERRIDE;
 150   virtual bool CanFocus() OVERRIDE;
 151   virtual void OnCaptureLost() OVERRIDE;
 152   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
 153   virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE;
 154   virtual void OnWindowDestroying(aura::Window* window) OVERRIDE;
 155   virtual void OnWindowDestroyed(aura::Window* window) OVERRIDE;
 156   virtual void OnWindowTargetVisibilityChanged(bool visible) OVERRIDE;
 157   virtual bool HasHitTestMask() const OVERRIDE;
 158   virtual void GetHitTestMask(gfx::Path* mask) const OVERRIDE;
 159
 160   // Overridden from ui::EventHandler:
 161   virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE;
 162   virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE;
 163   virtual void OnScrollEvent(ui::ScrollEvent* event) OVERRIDE;
 164   virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
 165
 166   // Overridden from aura::client::ActivationDelegate:
 167   virtual bool ShouldActivate() const OVERRIDE;
 168
 169   // Overridden from aura::client::ActivationChangeObserver:
 170   virtual void OnWindowActivated(aura::Window* gained_active,
 171                                  aura::Window* lost_active) OVERRIDE;
 172
 173   // Overridden from aura::client::FocusChangeObserver:
 174   virtual void OnWindowFocused(aura::Window* gained_focus,
 175                                aura::Window* lost_focus) OVERRIDE;
 176
 177   // Overridden from aura::client::DragDropDelegate:
 178   virtual void OnDragEntered(const ui::DropTargetEvent& event) OVERRIDE;
 179   virtual int OnDragUpdated(const ui::DropTargetEvent& event) OVERRIDE;
 180   virtual void OnDragExited() OVERRIDE;
 181   virtual int OnPerformDrop(const ui::DropTargetEvent& event) OVERRIDE;
 182
 183  protected:
 184   virtual ~NativeWidgetAura();
 185
 186   internal::NativeWidgetDelegate* delegate() { return delegate_; }
 187
 188  private:
 189   class ActiveWindowObserver;
 190
 191   void SetInitialFocus(ui::WindowShowState show_state);
 192
 193   internal::NativeWidgetDelegate* delegate_;
 194
 195   // WARNING: set to NULL when destroyed. As the Widget is not necessarily
 196   // destroyed along with |window_| all usage of |window_| should first verify
 197   // non-NULL.
 198   aura::Window* window_;
 199
 200   // See class documentation for Widget in widget.h for a note about ownership.
 201   Widget::InitParams::Ownership ownership_;
 202
 203   // The following factory is used for calls to close the NativeWidgetAura
 204   // instance.
 205   base::WeakPtrFactory<NativeWidgetAura> close_widget_factory_;
 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   DISALLOW_COPY_AND_ASSIGN(NativeWidgetAura);
 225 };
 226
 227 }  // namespace views
 228
 229 #endif  // UI_VIEWS_WIDGET_NATIVE_WIDGET_AURA_H_