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/ime/input_method_delegate.h"
  16 #include "ui/views/views_export.h"
  17 #include "ui/views/widget/native_widget_private.h"
  18 #include "ui/wm/public/activation_change_observer.h"
  19 #include "ui/wm/public/activation_delegate.h"
  20 #include "ui/wm/public/drag_drop_delegate.h"
  21
  22 namespace aura {
  23 class Window;
  24 }
  25 namespace gfx {
  26 class FontList;
  27 }
  28
  29 namespace views {
  30
  31 class DropHelper;
  32 class TooltipManagerAura;
  33 class WindowReorderer;
  34
  35 class VIEWS_EXPORT NativeWidgetAura
  36     : public internal::NativeWidgetPrivate,
  37       public internal::InputMethodDelegate,
  38       public aura::WindowDelegate,
  39       public aura::WindowObserver,
  40       public aura::client::ActivationDelegate,
  41       public aura::client::ActivationChangeObserver,
  42       public aura::client::FocusChangeObserver,
  43       public aura::client::DragDropDelegate {
  44  public:
  45   explicit NativeWidgetAura(internal::NativeWidgetDelegate* delegate);
  46
  47   // Called internally by NativeWidgetAura and DesktopNativeWidgetAura to
  48   // associate |native_widget| with |window|.
  49   static void RegisterNativeWidgetForWindow(
  50       internal::NativeWidgetPrivate* native_widget,
  51       aura::Window* window);
  52
  53   // Overridden from internal::NativeWidgetPrivate:
  54   virtual void InitNativeWidget(const Widget::InitParams& params) OVERRIDE;
  55   virtual NonClientFrameView* CreateNonClientFrameView() OVERRIDE;
  56   virtual bool ShouldUseNativeFrame() const OVERRIDE;
  57   virtual bool ShouldWindowContentsBeTransparent() const OVERRIDE;
  58   virtual void FrameTypeChanged() OVERRIDE;
  59   virtual Widget* GetWidget() OVERRIDE;
  60   virtual const Widget* GetWidget() const OVERRIDE;
  61   virtual gfx::NativeView GetNativeView() const OVERRIDE;
  62   virtual gfx::NativeWindow GetNativeWindow() const OVERRIDE;
  63   virtual Widget* GetTopLevelWidget() OVERRIDE;
  64   virtual const ui::Compositor* GetCompositor() const OVERRIDE;
  65   virtual ui::Compositor* GetCompositor() OVERRIDE;
  66   virtual ui::Layer* GetLayer() OVERRIDE;
  67   virtual void ReorderNativeViews() OVERRIDE;
  68   virtual void ViewRemoved(View* view) OVERRIDE;
  69   virtual void SetNativeWindowProperty(const char* name, void* value) OVERRIDE;
  70   virtual void* GetNativeWindowProperty(const char* name) const OVERRIDE;
  71   virtual TooltipManager* GetTooltipManager() const OVERRIDE;
  72   virtual void SetCapture() OVERRIDE;
  73   virtual void ReleaseCapture() OVERRIDE;
  74   virtual bool HasCapture() const OVERRIDE;
  75   virtual InputMethod* CreateInputMethod() OVERRIDE;
  76   virtual internal::InputMethodDelegate* GetInputMethodDelegate() OVERRIDE;
  77   virtual ui::InputMethod* GetHostInputMethod() OVERRIDE;
  78   virtual void CenterWindow(const gfx::Size& size) OVERRIDE;
  79   virtual void GetWindowPlacement(
  80       gfx::Rect* bounds,
  81       ui::WindowShowState* maximized) const OVERRIDE;
  82   virtual bool SetWindowTitle(const base::string16& title) OVERRIDE;
  83   virtual void SetWindowIcons(const gfx::ImageSkia& window_icon,
  84                               const gfx::ImageSkia& app_icon) OVERRIDE;
  85   virtual void InitModalType(ui::ModalType modal_type) OVERRIDE;
  86   virtual gfx::Rect GetWindowBoundsInScreen() const OVERRIDE;
  87   virtual gfx::Rect GetClientAreaBoundsInScreen() const OVERRIDE;
  88   virtual gfx::Rect GetRestoredBounds() const OVERRIDE;
  89   virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
  90   virtual void SetSize(const gfx::Size& size) OVERRIDE;
  91   virtual void StackAbove(gfx::NativeView native_view) OVERRIDE;
  92   virtual void StackAtTop() OVERRIDE;
  93   virtual void StackBelow(gfx::NativeView native_view) OVERRIDE;
  94   virtual void SetShape(gfx::NativeRegion shape) OVERRIDE;
  95   virtual void Close() OVERRIDE;
  96   virtual void CloseNow() OVERRIDE;
  97   virtual void Show() OVERRIDE;
  98   virtual void Hide() OVERRIDE;
  99   virtual void ShowMaximizedWithBounds(
 100       const gfx::Rect& restored_bounds) OVERRIDE;
 101   virtual void ShowWithWindowState(ui::WindowShowState state) OVERRIDE;
 102   virtual bool IsVisible() const OVERRIDE;
 103   virtual void Activate() OVERRIDE;
 104   virtual void Deactivate() OVERRIDE;
 105   virtual bool IsActive() const OVERRIDE;
 106   virtual void SetAlwaysOnTop(bool always_on_top) OVERRIDE;
 107   virtual bool IsAlwaysOnTop() const OVERRIDE;
 108   virtual void SetVisibleOnAllWorkspaces(bool always_visible) OVERRIDE;
 109   virtual void Maximize() OVERRIDE;
 110   virtual void Minimize() OVERRIDE;
 111   virtual bool IsMaximized() const OVERRIDE;
 112   virtual bool IsMinimized() const OVERRIDE;
 113   virtual void Restore() OVERRIDE;
 114   virtual void SetFullscreen(bool fullscreen) OVERRIDE;
 115   virtual bool IsFullscreen() const OVERRIDE;
 116   virtual void SetOpacity(unsigned char opacity) OVERRIDE;
 117   virtual void SetUseDragFrame(bool use_drag_frame) OVERRIDE;
 118   virtual void FlashFrame(bool flash_frame) OVERRIDE;
 119   virtual void RunShellDrag(View* view,
 120                             const ui::OSExchangeData& data,
 121                             const gfx::Point& location,
 122                             int operation,
 123                             ui::DragDropTypes::DragEventSource source) OVERRIDE;
 124   virtual void SchedulePaintInRect(const gfx::Rect& rect) OVERRIDE;
 125   virtual void SetCursor(gfx::NativeCursor cursor) OVERRIDE;
 126   virtual bool IsMouseEventsEnabled() const OVERRIDE;
 127   virtual void ClearNativeFocus() OVERRIDE;
 128   virtual gfx::Rect GetWorkAreaBoundsInScreen() const OVERRIDE;
 129   virtual Widget::MoveLoopResult RunMoveLoop(
 130       const gfx::Vector2d& drag_offset,
 131       Widget::MoveLoopSource source,
 132       Widget::MoveLoopEscapeBehavior escape_behavior) OVERRIDE;
 133   virtual void EndMoveLoop() OVERRIDE;
 134   virtual void SetVisibilityChangedAnimationsEnabled(bool value) OVERRIDE;
 135   virtual ui::NativeTheme* GetNativeTheme() const OVERRIDE;
 136   virtual void OnRootViewLayout() OVERRIDE;
 137   virtual bool IsTranslucentWindowOpacitySupported() const OVERRIDE;
 138   virtual void RepostNativeEvent(gfx::NativeEvent native_event) OVERRIDE;
 139
 140   // Overridden from views::InputMethodDelegate:
 141   virtual void DispatchKeyEventPostIME(const ui::KeyEvent& key) OVERRIDE;
 142
 143   // Overridden from aura::WindowDelegate:
 144   virtual gfx::Size GetMinimumSize() const OVERRIDE;
 145   virtual gfx::Size GetMaximumSize() const OVERRIDE;
 146   virtual void OnBoundsChanged(const gfx::Rect& old_bounds,
 147                                const gfx::Rect& new_bounds) OVERRIDE;
 148   virtual gfx::NativeCursor GetCursor(const gfx::Point& point) OVERRIDE;
 149   virtual int GetNonClientComponent(const gfx::Point& point) const OVERRIDE;
 150   virtual bool ShouldDescendIntoChildForEventHandling(
 151       aura::Window* child,
 152       const gfx::Point& location) OVERRIDE;
 153   virtual bool CanFocus() OVERRIDE;
 154   virtual void OnCaptureLost() OVERRIDE;
 155   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
 156   virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE;
 157   virtual void OnWindowDestroying(aura::Window* window) OVERRIDE;
 158   virtual void OnWindowDestroyed(aura::Window* window) OVERRIDE;
 159   virtual void OnWindowTargetVisibilityChanged(bool visible) OVERRIDE;
 160   virtual bool HasHitTestMask() const OVERRIDE;
 161   virtual void GetHitTestMask(gfx::Path* mask) const OVERRIDE;
 162
 163   // Overridden from aura::WindowObserver:
 164   virtual void OnWindowPropertyChanged(aura::Window* window,
 165                                        const void* key,
 166                                        intptr_t old) OVERRIDE;
 167
 168   // Overridden from ui::EventHandler:
 169   virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE;
 170   virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE;
 171   virtual void OnScrollEvent(ui::ScrollEvent* event) OVERRIDE;
 172   virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
 173
 174   // Overridden from aura::client::ActivationDelegate:
 175   virtual bool ShouldActivate() const OVERRIDE;
 176
 177   // Overridden from aura::client::ActivationChangeObserver:
 178   virtual void OnWindowActivated(aura::Window* gained_active,
 179                                  aura::Window* lost_active) OVERRIDE;
 180
 181   // Overridden from aura::client::FocusChangeObserver:
 182   virtual void OnWindowFocused(aura::Window* gained_focus,
 183                                aura::Window* lost_focus) OVERRIDE;
 184
 185   // Overridden from aura::client::DragDropDelegate:
 186   virtual void OnDragEntered(const ui::DropTargetEvent& event) OVERRIDE;
 187   virtual int OnDragUpdated(const ui::DropTargetEvent& event) OVERRIDE;
 188   virtual void OnDragExited() OVERRIDE;
 189   virtual int OnPerformDrop(const ui::DropTargetEvent& event) OVERRIDE;
 190
 191  protected:
 192   virtual ~NativeWidgetAura();
 193
 194   internal::NativeWidgetDelegate* delegate() { return delegate_; }
 195
 196  private:
 197   class ActiveWindowObserver;
 198
 199   void SetInitialFocus(ui::WindowShowState show_state);
 200
 201   internal::NativeWidgetDelegate* delegate_;
 202
 203   // WARNING: set to NULL when destroyed. As the Widget is not necessarily
 204   // destroyed along with |window_| all usage of |window_| should first verify
 205   // non-NULL.
 206   aura::Window* window_;
 207
 208   // See class documentation for Widget in widget.h for a note about ownership.
 209   Widget::InitParams::Ownership ownership_;
 210
 211   // The following factory is used for calls to close the NativeWidgetAura
 212   // instance.
 213   base::WeakPtrFactory<NativeWidgetAura> close_widget_factory_;
 214
 215   // Are we in the destructor?
 216   bool destroying_;
 217
 218   gfx::NativeCursor cursor_;
 219
 220   // The saved window state for exiting full screen state.
 221   ui::WindowShowState saved_window_state_;
 222
 223   scoped_ptr<TooltipManagerAura> tooltip_manager_;
 224
 225   // Reorders child windows of |window_| associated with a view based on the
 226   // order of the associated views in the widget's view hierarchy.
 227   scoped_ptr<WindowReorderer> window_reorderer_;
 228
 229   scoped_ptr<DropHelper> drop_helper_;
 230   int last_drop_operation_;
 231
 232   DISALLOW_COPY_AND_ASSIGN(NativeWidgetAura);
 233 };
 234
 235 }  // namespace views
 236
 237 #endif  // UI_VIEWS_WIDGET_NATIVE_WIDGET_AURA_H_