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_DESKTOP_AURA_DESKTOP_NATIVE_WIDGET_AURA_H_
6#define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_NATIVE_WIDGET_AURA_H_
7
8#include "base/memory/weak_ptr.h"
9#include "ui/aura/client/activation_change_observer.h"
10#include "ui/aura/client/activation_delegate.h"
11#include "ui/aura/client/drag_drop_delegate.h"
12#include "ui/aura/client/focus_change_observer.h"
13#include "ui/aura/root_window_observer.h"
14#include "ui/aura/window_delegate.h"
15#include "ui/views/ime/input_method_delegate.h"
16#include "ui/views/widget/native_widget_private.h"
17
18namespace aura {
19class RootWindow;
20namespace client {
21class StackingClient;
22}
23}
24
25namespace views {
26
27namespace corewm {
28class CompoundEventFilter;
29class InputMethodEventFilter;
30class ShadowController;
31class TooltipController;
32class VisibilityController;
33class WindowModalityController;
34}
35
36class DesktopRootWindowHost;
37class DropHelper;
38class NativeWidgetAuraWindowObserver;
39class TooltipManagerAura;
40class WindowReorderer;
41
42class VIEWS_EXPORT DesktopNativeWidgetAura
43    : public internal::NativeWidgetPrivate,
44      public aura::WindowDelegate,
45      public aura::client::ActivationDelegate,
46      public aura::client::ActivationChangeObserver,
47      public aura::client::FocusChangeObserver,
48      public views::internal::InputMethodDelegate,
49      public aura::client::DragDropDelegate,
50      public aura::RootWindowObserver {
51 public:
52  explicit DesktopNativeWidgetAura(internal::NativeWidgetDelegate* delegate);
53  virtual ~DesktopNativeWidgetAura();
54
55  // Maps from window to DesktopNativeWidgetAura.
56  static DesktopNativeWidgetAura* ForWindow(aura::Window* window);
57
58  // Called by our DesktopRootWindowHost after it has deleted native resources;
59  // this is the signal that we should start our shutdown.
60  void OnHostClosed();
61
62  // Installs the input method filter on |root|. This is intended to be invoked
63  // by the DesktopRootWindowHost implementation during Init().
64  void InstallInputMethodEventFilter(aura::RootWindow* root);
65  corewm::InputMethodEventFilter* input_method_event_filter() {
66    return input_method_event_filter_.get();
67  }
68  corewm::CompoundEventFilter* root_window_event_filter() {
69    return root_window_event_filter_;
70  }
71
72  // Overridden from NativeWidget:
73  virtual ui::EventHandler* GetEventHandler() OVERRIDE;
74
75 protected:
76  // Overridden from internal::NativeWidgetPrivate:
77  virtual void InitNativeWidget(const Widget::InitParams& params) OVERRIDE;
78  virtual NonClientFrameView* CreateNonClientFrameView() OVERRIDE;
79  virtual bool ShouldUseNativeFrame() const OVERRIDE;
80  virtual void FrameTypeChanged() OVERRIDE;
81  virtual Widget* GetWidget() OVERRIDE;
82  virtual const Widget* GetWidget() const OVERRIDE;
83  virtual gfx::NativeView GetNativeView() const OVERRIDE;
84  virtual gfx::NativeWindow GetNativeWindow() const OVERRIDE;
85  virtual Widget* GetTopLevelWidget() OVERRIDE;
86  virtual const ui::Compositor* GetCompositor() const OVERRIDE;
87  virtual ui::Compositor* GetCompositor() OVERRIDE;
88  virtual ui::Layer* GetLayer() OVERRIDE;
89  virtual void ReorderNativeViews() OVERRIDE;
90  virtual void ViewRemoved(View* view) OVERRIDE;
91  virtual void SetNativeWindowProperty(const char* name, void* value) OVERRIDE;
92  virtual void* GetNativeWindowProperty(const char* name) const OVERRIDE;
93  virtual TooltipManager* GetTooltipManager() const OVERRIDE;
94  virtual void SetCapture() OVERRIDE;
95  virtual void ReleaseCapture() OVERRIDE;
96  virtual bool HasCapture() const OVERRIDE;
97  virtual InputMethod* CreateInputMethod() OVERRIDE;
98  virtual internal::InputMethodDelegate* GetInputMethodDelegate() OVERRIDE;
99  virtual void CenterWindow(const gfx::Size& size) OVERRIDE;
100  virtual void GetWindowPlacement(
101      gfx::Rect* bounds,
102      ui::WindowShowState* maximized) const OVERRIDE;
103  virtual void SetWindowTitle(const string16& title) OVERRIDE;
104  virtual void SetWindowIcons(const gfx::ImageSkia& window_icon,
105                              const gfx::ImageSkia& app_icon) OVERRIDE;
106  virtual void InitModalType(ui::ModalType modal_type) OVERRIDE;
107  virtual gfx::Rect GetWindowBoundsInScreen() const OVERRIDE;
108  virtual gfx::Rect GetClientAreaBoundsInScreen() const OVERRIDE;
109  virtual gfx::Rect GetRestoredBounds() const OVERRIDE;
110  virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
111  virtual void SetSize(const gfx::Size& size) OVERRIDE;
112  virtual void StackAbove(gfx::NativeView native_view) OVERRIDE;
113  virtual void StackAtTop() OVERRIDE;
114  virtual void StackBelow(gfx::NativeView native_view) OVERRIDE;
115  virtual void SetShape(gfx::NativeRegion shape) OVERRIDE;
116  virtual void Close() OVERRIDE;
117  virtual void CloseNow() OVERRIDE;
118  virtual void Show() OVERRIDE;
119  virtual void Hide() OVERRIDE;
120  virtual void ShowMaximizedWithBounds(
121      const gfx::Rect& restored_bounds) OVERRIDE;
122  virtual void ShowWithWindowState(ui::WindowShowState state) OVERRIDE;
123  virtual bool IsVisible() const OVERRIDE;
124  virtual void Activate() OVERRIDE;
125  virtual void Deactivate() OVERRIDE;
126  virtual bool IsActive() const OVERRIDE;
127  virtual void SetAlwaysOnTop(bool always_on_top) OVERRIDE;
128  virtual void Maximize() OVERRIDE;
129  virtual void Minimize() OVERRIDE;
130  virtual bool IsMaximized() const OVERRIDE;
131  virtual bool IsMinimized() const OVERRIDE;
132  virtual void Restore() OVERRIDE;
133  virtual void SetFullscreen(bool fullscreen) OVERRIDE;
134  virtual bool IsFullscreen() const OVERRIDE;
135  virtual void SetOpacity(unsigned char opacity) OVERRIDE;
136  virtual void SetUseDragFrame(bool use_drag_frame) OVERRIDE;
137  virtual void FlashFrame(bool flash_frame) OVERRIDE;
138  virtual void RunShellDrag(View* view,
139                            const ui::OSExchangeData& data,
140                            const gfx::Point& location,
141                            int operation,
142                            ui::DragDropTypes::DragEventSource source) OVERRIDE;
143  virtual void SchedulePaintInRect(const gfx::Rect& rect) OVERRIDE;
144  virtual void SetCursor(gfx::NativeCursor cursor) OVERRIDE;
145  virtual bool IsMouseEventsEnabled() const OVERRIDE;
146  virtual void ClearNativeFocus() OVERRIDE;
147  virtual gfx::Rect GetWorkAreaBoundsInScreen() const OVERRIDE;
148  virtual void SetInactiveRenderingDisabled(bool value) OVERRIDE;
149  virtual Widget::MoveLoopResult RunMoveLoop(
150      const gfx::Vector2d& drag_offset,
151      Widget::MoveLoopSource source) OVERRIDE;
152  virtual void EndMoveLoop() OVERRIDE;
153  virtual void SetVisibilityChangedAnimationsEnabled(bool value) OVERRIDE;
154  virtual ui::NativeTheme* GetNativeTheme() const OVERRIDE;
155
156  // Overridden from aura::WindowDelegate:
157  virtual gfx::Size GetMinimumSize() const OVERRIDE;
158  virtual gfx::Size GetMaximumSize() const OVERRIDE;
159  virtual void OnBoundsChanged(const gfx::Rect& old_bounds,
160                               const gfx::Rect& new_bounds) OVERRIDE;
161  virtual gfx::NativeCursor GetCursor(const gfx::Point& point) OVERRIDE;
162  virtual int GetNonClientComponent(const gfx::Point& point) const OVERRIDE;
163  virtual bool ShouldDescendIntoChildForEventHandling(
164      aura::Window* child,
165      const gfx::Point& location) OVERRIDE;
166  virtual bool CanFocus() OVERRIDE;
167  virtual void OnCaptureLost() OVERRIDE;
168  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
169  virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE;
170  virtual void OnWindowDestroying() OVERRIDE;
171  virtual void OnWindowDestroyed() OVERRIDE;
172  virtual void OnWindowTargetVisibilityChanged(bool visible) OVERRIDE;
173  virtual bool HasHitTestMask() const OVERRIDE;
174  virtual void GetHitTestMask(gfx::Path* mask) const OVERRIDE;
175  virtual scoped_refptr<ui::Texture> CopyTexture() OVERRIDE;
176
177  // Overridden from ui::EventHandler:
178  virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE;
179  virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE;
180  virtual void OnScrollEvent(ui::ScrollEvent* event) OVERRIDE;
181  virtual void OnTouchEvent(ui::TouchEvent* event) OVERRIDE;
182  virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
183
184  // Overridden from aura::client::ActivationDelegate:
185  virtual bool ShouldActivate() const OVERRIDE;
186
187  // Overridden from aura::client::ActivationChangeObserver:
188  virtual void OnWindowActivated(aura::Window* gained_active,
189                                 aura::Window* lost_active) OVERRIDE;
190
191  // Overridden from aura::client::FocusChangeObserver:
192  virtual void OnWindowFocused(aura::Window* gained_focus,
193                               aura::Window* lost_focus) OVERRIDE;
194
195  // Overridden from views::internal::InputMethodDelegate:
196  virtual void DispatchKeyEventPostIME(const ui::KeyEvent& key) OVERRIDE;
197
198  // Overridden from aura::client::DragDropDelegate:
199  virtual void OnDragEntered(const ui::DropTargetEvent& event) OVERRIDE;
200  virtual int OnDragUpdated(const ui::DropTargetEvent& event) OVERRIDE;
201  virtual void OnDragExited() OVERRIDE;
202  virtual int OnPerformDrop(const ui::DropTargetEvent& event) OVERRIDE;
203
204  // Overridden from aura::RootWindowObserver:
205  virtual void OnRootWindowHostCloseRequested(
206      const aura::RootWindow* root) OVERRIDE;
207
208 private:
209  // See class documentation for Widget in widget.h for a note about ownership.
210  Widget::InitParams::Ownership ownership_;
211
212  // The NativeWidget owns the RootWindow. Required because the RootWindow owns
213  // its RootWindowHost, so DesktopRootWindowHost can't own it.
214  scoped_ptr<aura::RootWindow> root_window_;
215
216  // The following factory is used for calls to close the NativeWidgetAura
217  // instance.
218  base::WeakPtrFactory<DesktopNativeWidgetAura> close_widget_factory_;
219
220  scoped_ptr<NativeWidgetAuraWindowObserver> active_window_observer_;
221
222  // Can we be made active?
223  bool can_activate_;
224
225  // Ownership passed to RootWindow on Init.
226  DesktopRootWindowHost* desktop_root_window_host_;
227  aura::Window* window_;
228  internal::NativeWidgetDelegate* native_widget_delegate_;
229
230  scoped_ptr<aura::client::StackingClient> stacking_client_;
231
232  // Toplevel event filter which dispatches to other event filters.
233  corewm::CompoundEventFilter* root_window_event_filter_;
234
235  scoped_ptr<corewm::InputMethodEventFilter> input_method_event_filter_;
236
237  scoped_ptr<DropHelper> drop_helper_;
238  int last_drop_operation_;
239
240  scoped_ptr<corewm::TooltipController> tooltip_controller_;
241  scoped_ptr<TooltipManagerAura> tooltip_manager_;
242
243  scoped_ptr<views::corewm::VisibilityController> visibility_controller_;
244
245  scoped_ptr<views::corewm::WindowModalityController>
246      window_modality_controller_;
247
248  // See comments in OnLostActive().
249  bool restore_focus_on_activate_;
250
251  gfx::NativeCursor cursor_;
252
253  scoped_ptr<corewm::ShadowController> shadow_controller_;
254
255  // Reorders child windows of |window_| associated with a view based on the
256  // order of the associated views in the widget's view hierarchy.
257  scoped_ptr<WindowReorderer> window_reorderer_;
258
259  DISALLOW_COPY_AND_ASSIGN(DesktopNativeWidgetAura);
260};
261
262}  // namespace views
263
264#endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_NATIVE_WIDGET_AURA_H_
265