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 CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_WIN_H_
6 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_WIN_H_
7 
8 #include <vector>
9 
10 #include "base/win/atl.h"
11 #include "content/browser/accessibility/browser_accessibility.h"
12 #include "content/browser/accessibility/browser_accessibility_com_win.h"
13 #include "content/common/content_export.h"
14 
15 namespace content {
16 
17 class CONTENT_EXPORT BrowserAccessibilityWin : public BrowserAccessibility {
18  public:
19   BrowserAccessibilityWin();
20   ~BrowserAccessibilityWin() override;
21 
22   // This is used to call UpdateStep1ComputeWinAttributes, ... above when
23   // a node needs to be updated for some other reason other than via
24   // OnAtomicUpdateFinished.
25   void UpdatePlatformAttributes() override;
26 
27   //
28   // BrowserAccessibility overrides.
29   //
30 
31   bool CanFireEvents() const override;
32   ui::AXPlatformNode* GetAXPlatformNode() const override;
33   void OnLocationChanged() override;
34   base::string16 GetText() const override;
35   base::string16 GetHypertext() const override;
36 
37   const std::vector<gfx::NativeViewAccessible> GetUIADescendants()
38       const override;
39 
40   gfx::NativeViewAccessible GetNativeViewAccessible() override;
41 
42   class BrowserAccessibilityComWin* GetCOM() const;
43 
44  protected:
45   ui::TextAttributeList ComputeTextAttributes() const override;
46 
47   bool ShouldHideChildrenForUIA() const;
48 
49  private:
50   CComObject<BrowserAccessibilityComWin>* browser_accessibility_com_;
51   // Give BrowserAccessibility::Create access to our constructor.
52   friend class BrowserAccessibility;
53   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityWin);
54 };
55 
56 CONTENT_EXPORT BrowserAccessibilityWin* ToBrowserAccessibilityWin(
57     BrowserAccessibility* obj);
58 
59 CONTENT_EXPORT const BrowserAccessibilityWin* ToBrowserAccessibilityWin(
60     const BrowserAccessibility* obj);
61 
62 }  // namespace content
63 
64 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_WIN_H_
65