native_widget_aura.h revision 8bcbed890bc3ce4d7a057a8f32cab53fa534672e 
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/activation_change_observer.h"
11#include "ui/aura/client/activation_delegate.h"
12#include "ui/aura/client/drag_drop_delegate.h"
13#include "ui/aura/client/focus_change_observer.h"
14#include "ui/aura/window_delegate.h"
15#include "ui/base/cursor/cursor.h"
16#include "ui/events/event_constants.h"
17#include "ui/views/ime/input_method_delegate.h"
18#include "ui/views/views_export.h"
19#include "ui/views/widget/native_widget_private.h"
20
21namespace aura {
22class Window;
23}
24namespace gfx {
25class Font;
26}
27
28namespace views {
29
30class DropHelper;
31class TooltipManagerAura;
32class WindowReorderer;
33
34class 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  // TODO(beng): Find a better place for this, and the similar method on
46  //             NativeWidgetWin.
47  static gfx::Font GetWindowTitleFont();
48
49  // Called internally by NativeWidgetAura and DesktopNativeWidgetAura to
50  // associate |native_widget| with |window|.
51  static void RegisterNativeWidgetForWindow(
52      internal::NativeWidgetPrivate* native_widget,
53      aura::Window* window);
54
55  // Overridden from internal::NativeWidgetPrivate:
56  virtual void InitNativeWidget(const Widget::InitParams& params) OVERRIDE;
57  virtual NonClientFrameView* CreateNonClientFrameView() OVERRIDE;
58  virtual bool ShouldUseNativeFrame() const OVERRIDE;
59  virtual void FrameTypeChanged() OVERRIDE;
60  virtual Widget* GetWidget() OVERRIDE;
61  virtual const Widget* GetWidget() const OVERRIDE;
62  virtual gfx::NativeView GetNativeView() const OVERRIDE;
63  virtual gfx::NativeWindow GetNativeWindow() const OVERRIDE;
64  virtual Widget* GetTopLevelWidget() OVERRIDE;
65  virtual const ui::Compositor* GetCompositor() const OVERRIDE;
66  virtual ui::Compositor* GetCompositor() OVERRIDE;
67  virtual ui::Layer* GetLayer() OVERRIDE;
68  virtual void ReorderNativeViews() OVERRIDE;
69  virtual void ViewRemoved(View* view) OVERRIDE;
70  virtual void SetNativeWindowProperty(const char* name, void* value) OVERRIDE;
71  virtual void* GetNativeWindowProperty(const char* name) const OVERRIDE;
72  virtual TooltipManager* GetTooltipManager() const OVERRIDE;
73  virtual void SetCapture() OVERRIDE;
74  virtual void ReleaseCapture() OVERRIDE;
75  virtual bool HasCapture() const OVERRIDE;
76  virtual InputMethod* CreateInputMethod() OVERRIDE;
77  virtual internal::InputMethodDelegate* GetInputMethodDelegate() 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 void SetWindowTitle(const 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 Maximize() OVERRIDE;
109  virtual void Minimize() OVERRIDE;
110  virtual bool IsMaximized() const OVERRIDE;
111  virtual bool IsMinimized() const OVERRIDE;
112  virtual void Restore() OVERRIDE;
113  virtual void SetFullscreen(bool fullscreen) OVERRIDE;
114  virtual bool IsFullscreen() const OVERRIDE;
115  virtual void SetOpacity(unsigned char opacity) OVERRIDE;
116  virtual void SetUseDragFrame(bool use_drag_frame) OVERRIDE;
117  virtual void FlashFrame(bool flash_frame) OVERRIDE;
118  virtual void RunShellDrag(View* view,
119                            const ui::OSExchangeData& data,
120                            const gfx::Point& location,
121                            int operation,
122                            ui::DragDropTypes::DragEventSource source) OVERRIDE;
123  virtual void SchedulePaintInRect(const gfx::Rect& rect) OVERRIDE;
124  virtual void SetCursor(gfx::NativeCursor cursor) OVERRIDE;
125  virtual bool IsMouseEventsEnabled() const OVERRIDE;
126  virtual void ClearNativeFocus() OVERRIDE;
127  virtual gfx::Rect GetWorkAreaBoundsInScreen() const OVERRIDE;
128  virtual Widget::MoveLoopResult RunMoveLoop(
129      const gfx::Vector2d& drag_offset,
130      Widget::MoveLoopSource source,
131      Widget::MoveLoopEscapeBehavior escape_behavior) OVERRIDE;
132  virtual void EndMoveLoop() OVERRIDE;
133  virtual void SetVisibilityChangedAnimationsEnabled(bool value) OVERRIDE;
134  virtual ui::NativeTheme* GetNativeTheme() const OVERRIDE;
135  virtual void OnRootViewLayout() const 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() OVERRIDE;
155  virtual void OnWindowDestroyed() OVERRIDE;
156  virtual void OnWindowTargetVisibilityChanged(bool visible) OVERRIDE;
157  virtual bool HasHitTestMask() const OVERRIDE;
158  virtual void GetHitTestMask(gfx::Path* mask) const OVERRIDE;
159  virtual void DidRecreateLayer(ui::Layer* old_layer,
160                                ui::Layer* new_layer) OVERRIDE;
161
162  // Overridden from ui::EventHandler:
163  virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE;
164  virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE;
165  virtual void OnScrollEvent(ui::ScrollEvent* event) OVERRIDE;
166  virtual void OnTouchEvent(ui::TouchEvent* event) OVERRIDE;
167  virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
168
169  // Overridden from aura::client::ActivationDelegate:
170  virtual bool ShouldActivate() const OVERRIDE;
171
172  // Overridden from aura::client::ActivationChangeObserver:
173  virtual void OnWindowActivated(aura::Window* gained_active,
174                                 aura::Window* lost_active) OVERRIDE;
175
176  // Overridden from aura::client::FocusChangeObserver:
177  virtual void OnWindowFocused(aura::Window* gained_focus,
178                               aura::Window* lost_focus) OVERRIDE;
179
180  // Overridden from aura::client::DragDropDelegate:
181  virtual void OnDragEntered(const ui::DropTargetEvent& event) OVERRIDE;
182  virtual int OnDragUpdated(const ui::DropTargetEvent& event) OVERRIDE;
183  virtual void OnDragExited() OVERRIDE;
184  virtual int OnPerformDrop(const ui::DropTargetEvent& event) OVERRIDE;
185
186  // Overridden from NativeWidget:
187  virtual ui::EventHandler* GetEventHandler() OVERRIDE;
188
189 protected:
190  virtual ~NativeWidgetAura();
191
192  internal::NativeWidgetDelegate* delegate() { return delegate_; }
193
194 private:
195  class ActiveWindowObserver;
196
197  void SetInitialFocus();
198
199  internal::NativeWidgetDelegate* delegate_;
200
201  // WARNING: set to NULL when destroyed. As the Widget is not necessarily
202  // destroyed along with |window_| all usage of |window_| should first verify
203  // non-NULL.
204  aura::Window* window_;
205
206  // See class documentation for Widget in widget.h for a note about ownership.
207  Widget::InitParams::Ownership ownership_;
208
209  // The following factory is used for calls to close the NativeWidgetAura
210  // instance.
211  base::WeakPtrFactory<NativeWidgetAura> close_widget_factory_;
212
213  // Can we be made active?
214  bool can_activate_;
215
216  // Are we in the destructor?
217  bool destroying_;
218
219  gfx::NativeCursor cursor_;
220
221  // The saved window state for exiting full screen state.
222  ui::WindowShowState saved_window_state_;
223
224  scoped_ptr<TooltipManagerAura> tooltip_manager_;
225
226  // Reorders child windows of |window_| associated with a view based on the
227  // order of the associated views in the widget's view hierarchy.
228  scoped_ptr<WindowReorderer> window_reorderer_;
229
230  scoped_ptr<DropHelper> drop_helper_;
231  int last_drop_operation_;
232
233  DISALLOW_COPY_AND_ASSIGN(NativeWidgetAura);
234};
235
236}  // namespace views
237
238#endif  // UI_VIEWS_WIDGET_NATIVE_WIDGET_AURA_H_
239