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