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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef UI_VIEWS_ACCESSIBILITY_NATIVE_VIEW_ACCESSIBILITY_H_ | 5 #ifndef UI_VIEWS_ACCESSIBILITY_NATIVE_VIEW_ACCESSIBILITY_H_ |
6 #define UI_VIEWS_ACCESSIBILITY_NATIVE_VIEW_ACCESSIBILITY_H_ | 6 #define UI_VIEWS_ACCESSIBILITY_NATIVE_VIEW_ACCESSIBILITY_H_ |
7 | 7 |
8 #include <map> | |
9 | |
8 #include "base/macros.h" | 10 #include "base/macros.h" |
9 #include "build/build_config.h" | 11 #include "build/build_config.h" |
10 #include "ui/accessibility/ax_action_data.h" | 12 #include "ui/accessibility/ax_action_data.h" |
11 #include "ui/accessibility/ax_node_data.h" | 13 #include "ui/accessibility/ax_node_data.h" |
12 #include "ui/accessibility/platform/ax_platform_node.h" | 14 #include "ui/accessibility/platform/ax_platform_node.h" |
13 #include "ui/accessibility/platform/ax_platform_node_delegate.h" | 15 #include "ui/accessibility/platform/ax_platform_node_delegate.h" |
14 #include "ui/gfx/native_widget_types.h" | 16 #include "ui/gfx/native_widget_types.h" |
15 #include "ui/views/views_export.h" | 17 #include "ui/views/views_export.h" |
16 #include "ui/views/widget/widget_observer.h" | 18 #include "ui/views/widget/widget_observer.h" |
17 | 19 |
(...skipping 11 matching lines...) Expand all Loading... | |
29 | 31 |
30 namespace views { | 32 namespace views { |
31 | 33 |
32 class View; | 34 class View; |
33 class Widget; | 35 class Widget; |
34 | 36 |
35 class VIEWS_EXPORT NativeViewAccessibility | 37 class VIEWS_EXPORT NativeViewAccessibility |
36 : public ui::AXPlatformNodeDelegate, | 38 : public ui::AXPlatformNodeDelegate, |
37 public WidgetObserver { | 39 public WidgetObserver { |
38 public: | 40 public: |
39 static NativeViewAccessibility* Create(View* view); | 41 static NativeViewAccessibility* GetOrCreate(View* view); |
42 | |
43 ~NativeViewAccessibility() override; | |
40 | 44 |
41 gfx::NativeViewAccessible GetNativeObject(); | 45 gfx::NativeViewAccessible GetNativeObject(); |
42 | 46 |
43 // Call Destroy rather than deleting this, because the subclass may | |
44 // use reference counting. | |
45 virtual void Destroy(); | |
46 | |
47 void NotifyAccessibilityEvent(ui::AXEvent event_type); | 47 void NotifyAccessibilityEvent(ui::AXEvent event_type); |
48 | 48 |
49 // Focuses or unfocuses a View. | 49 // Focuses or unfocuses a View. |
50 bool SetFocused(bool focused); | 50 bool SetFocused(bool focused); |
51 | 51 |
52 // ui::AXPlatformNodeDelegate | 52 // ui::AXPlatformNodeDelegate |
53 const ui::AXNodeData& GetData() override; | 53 const ui::AXNodeData& GetData() override; |
54 int GetChildCount() override; | 54 int GetChildCount() override; |
55 gfx::NativeViewAccessible ChildAtIndex(int index) override; | 55 gfx::NativeViewAccessible ChildAtIndex(int index) override; |
56 gfx::NativeWindow GetTopLevelWidget() override; | 56 gfx::NativeWindow GetTopLevelWidget() override; |
57 gfx::NativeViewAccessible GetParent() override; | 57 gfx::NativeViewAccessible GetParent() override; |
58 gfx::Vector2d GetGlobalCoordinateOffset() override; | 58 gfx::Vector2d GetGlobalCoordinateOffset() override; |
59 gfx::NativeViewAccessible HitTestSync(int x, int y) override; | 59 gfx::NativeViewAccessible HitTestSync(int x, int y) override; |
60 gfx::NativeViewAccessible GetFocus() override; | 60 gfx::NativeViewAccessible GetFocus() override; |
61 gfx::AcceleratedWidget GetTargetForNativeAccessibilityEvent() override; | 61 gfx::AcceleratedWidget GetTargetForNativeAccessibilityEvent() override; |
62 bool AccessibilityPerformAction(const ui::AXActionData& data) override; | 62 bool AccessibilityPerformAction(const ui::AXActionData& data) override; |
63 void DoDefaultAction() override; | 63 void DoDefaultAction() override; |
64 | 64 |
65 // WidgetObserver | 65 // WidgetObserver |
66 void OnWidgetDestroying(Widget* widget) override; | 66 void OnWidgetDestroying(Widget* widget) override; |
67 | 67 |
68 Widget* parent_widget() const { return parent_widget_; } | 68 Widget* parent_widget() const { return parent_widget_; } |
69 void SetParentWidget(Widget* parent_widget); | 69 void SetParentWidget(Widget* parent_widget); |
70 | 70 |
71 protected: | 71 protected: |
72 NativeViewAccessibility(View* view); | 72 NativeViewAccessibility(View* view); |
73 ~NativeViewAccessibility() override; | |
74 | 73 |
75 // Weak. Owns this. | 74 // Weak. Owns this. |
76 View* view_; | 75 View* view_; |
77 | 76 |
78 // Weak. Uses WidgetObserver to clear. This is set on the root view for | 77 // Weak. Uses WidgetObserver to clear. This is set on the root view for |
79 // a widget that's owned by another widget, so we can walk back up the | 78 // a widget that's owned by another widget, so we can walk back up the |
80 // tree. | 79 // tree. |
81 Widget* parent_widget_; | 80 Widget* parent_widget_; |
82 | 81 |
83 private: | 82 private: |
83 // A static map from every View to its associated NativeViewAccessibility. | |
84 typedef std::map<View*, NativeViewAccessibility*> NativeViewAccessibilityMap; | |
tapted
2017/01/11 18:27:39
can this (and the <map> #include) move into the .c
Patti Lor
2017/02/21 03:29:16
Deleted as no longer needed :) Thanks for your sug
| |
85 | |
86 // Creates new platform-specific NativeViewAccessibility subclass instances. | |
87 static NativeViewAccessibility* Create(View* view); | |
88 | |
84 void PopulateChildWidgetVector(std::vector<Widget*>* result_child_widgets); | 89 void PopulateChildWidgetVector(std::vector<Widget*>* result_child_widgets); |
85 | 90 |
86 // We own this, but it is reference-counted on some platforms so we can't use | 91 // We own this, but it is reference-counted on some platforms so we can't use |
87 // a scoped_ptr. It is dereferenced in the destructor. | 92 // a scoped_ptr. It is dereferenced in the destructor. |
88 ui::AXPlatformNode* ax_node_; | 93 ui::AXPlatformNode* ax_node_; |
89 | 94 |
90 ui::AXNodeData data_; | 95 ui::AXNodeData data_; |
91 | 96 |
92 DISALLOW_COPY_AND_ASSIGN(NativeViewAccessibility); | 97 DISALLOW_COPY_AND_ASSIGN(NativeViewAccessibility); |
93 }; | 98 }; |
94 | 99 |
95 } // namespace views | 100 } // namespace views |
96 | 101 |
97 #endif // UI_VIEWS_ACCESSIBILITY_NATIVE_VIEW_ACCESSIBILITY_H_ | 102 #endif // UI_VIEWS_ACCESSIBILITY_NATIVE_VIEW_ACCESSIBILITY_H_ |
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