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Unified 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, 5 months ago
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Index: ui/accessibility/platform/ax_platform_node_delegate.h
diff --git a/ui/accessibility/platform/ax_platform_node_delegate.h b/ui/accessibility/platform/ax_platform_node_delegate.h
new file mode 100644
index 0000000000000000000000000000000000000000..9af5c4d5df48027749872a68803c98a878274432
--- /dev/null
+++ b/ui/accessibility/platform/ax_platform_node_delegate.h
@@ -0,0 +1,44 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_NODE_DELEGATE_H_
+#define UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_NODE_DELEGATE_H_
+
+#include "ui/accessibility/ax_enums.h"
+#include "ui/accessibility/ax_export.h"
+#include "ui/gfx/geometry/vector2d.h"
+#include "ui/gfx/native_widget_types.h"
+
+namespace ui {
+
+struct AXNodeData;
+class AXPlatformNode;
+
+class AX_EXPORT AXPlatformNodeDelegate {
+ public:
+ // Get the accessibility data that should be exposed for this node.
+ virtual AXNodeData* GetData() = 0;
+
+ // Get the parent of the node unless it's the root, then it returns NULL.
+ virtual gfx::NativeViewAccessible GetParent() = 0;
+
+ // Get the number of children of this node.
+ virtual int GetChildCount() = 0;
+
+ // Get the child of a node from [0...GetChildCount() - 1]
+ virtual gfx::NativeViewAccessible ChildAtIndex(int index) = 0;
+
+ // Get the offset to convert local coordinates to screen global coordinates.
+ virtual gfx::Vector2d GetGlobalCoordinateOffset() = 0;
+
+ //
+ // Events.
+ //
+ virtual void NotifyAccessibilityEvent(ui::AXEvent event_type) = 0;
+
+};
+
+} // namespace ui
+
+#endif // UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_NODE_DELEGATE_H_
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