ui/views/accessibility/ax_aura_obj_wrapper.h

   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_VIEWS_ACCESSIBILITY_AX_AURA_OBJ_WRAPPER_H_
   6 #define UI_VIEWS_ACCESSIBILITY_AX_AURA_OBJ_WRAPPER_H_
   7
   8 #include <vector>
   9
  10 #include "base/basictypes.h"
  11 #include "base/compiler_specific.h"
  12 #include "base/macros.h"
  13 #include "ui/views/views_export.h"
  14
  15 namespace ui {
  16 struct AXNodeData;
  17 }  // namespace ui
  18
  19 namespace views {
  20
  21 // An interface abstraction for Aura views that exposes the view-tree formed
  22 // by the implementing view types.
  23 class VIEWS_EXPORT AXAuraObjWrapper {
  24  public:
  25   virtual ~AXAuraObjWrapper() {}
  26
  27   // Traversal and serialization.
  28   virtual AXAuraObjWrapper* GetParent() = 0;
  29   virtual void GetChildren(
  30       std::vector<AXAuraObjWrapper*>* out_children) = 0;
  31   virtual void Serialize(ui::AXNodeData* out_node_data) = 0;
  32   virtual int32 GetID() = 0;
  33
  34   // Actions.
  35   virtual void DoDefault() {}
  36   virtual void Focus() {}
  37   virtual void MakeVisible() {}
  38   virtual void SetSelection(int32 start, int32 end) {}
  39 };
  40
  41 }  // namespace views
  42
  43 #endif  // UI_VIEWS_ACCESSIBILITY_AX_AURA_OBJ_WRAPPER_H_