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Side by Side Diff: ui/accessibility/platform/ax_platform_node_delegate.h

Issue 420653003: MacViews: Accessibility bridge (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Merge accessibility_platform target to accessibility Created 6 years, 4 months ago
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1 // Copyright 2014 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_ACCESSIBILITY_PLATFORM_AX_PLATFORM_NODE_DELEGATE_H_
6 #define UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_NODE_DELEGATE_H_
7
8 #include "ui/accessibility/ax_enums.h"
9 #include "ui/accessibility/ax_export.h"
10 #include "ui/gfx/geometry/vector2d.h"
11 #include "ui/gfx/native_widget_types.h"
12
13 namespace ui {
14
15 struct AXNodeData;
16 class AXPlatformNode;
17
18 class AX_EXPORT AXPlatformNodeDelegate {
19 public:
20 // Get the accessibility data that should be exposed for this node.
21 virtual AXNodeData* GetData() = 0;
22
23 // Get the parent of the node unless it's the root, then it returns NULL.
24 virtual gfx::NativeViewAccessible GetParent() = 0;
25
26 // Get the number of children of this node.
27 virtual int GetChildCount() = 0;
28
29 // Get the child of a node from [0...GetChildCount() - 1]
30 virtual gfx::NativeViewAccessible ChildAtIndex(int index) = 0;
31
32 // Get the offset to convert local coordinates to screen global coordinates.
33 virtual gfx::Vector2d GetGlobalCoordinateOffset() = 0;
34
35 //
36 // Events.
37 //
38 virtual void NotifyAccessibilityEvent(ui::AXEvent event_type) = 0;
39
40 };
41
42 } // namespace ui
43
44 #endif // UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_NODE_DELEGATE_H_
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