Renames AccessibleWrapper to ViewAccessibilityWrapper for clarity.

Reorders the functions in ViewAccessibility to match the order used in BrowserAccessibility, accessibility.h and in Glue/WebKit.

Review URL: http://codereview.chromium.org/46011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@11914 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 55 insertions, 0 deletions

diff --git a/chrome/views/accessibility/view_accessibility_wrapper.h b/chrome/views/accessibility/view_accessibility_wrapper.h
new file mode 100644
index 0000000..6d4a842
--- /dev/null
+++ b/chrome/views/accessibility/view_accessibility_wrapper.h
@@ -0,0 +1,55 @@
+// Copyright (c) 2006-2008 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 CHROME_VIEWS_ACCESSIBILITY_VIEW_ACCESSIBILITY_WRAPPER_H_
+#define CHROME_VIEWS_ACCESSIBILITY_VIEW_ACCESSIBILITY_WRAPPER_H_
+
+#include <atlcomcli.h>
+#include <oleacc.h>
+
+#include "base/basictypes.h"
+
+namespace views {
+class View;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+//
+// ViewAccessibilityWrapper
+//
+// Wrapper class for returning a pointer to the appropriate (platform-specific)
+// accessibility interface for a given View. Needed to keep platform-specific
+// code out of the View class, when answering calls for child/parent IAccessible
+// implementations, for instance.
+//
+////////////////////////////////////////////////////////////////////////////////
+class ViewAccessibilityWrapper {
+ public:
+  explicit ViewAccessibilityWrapper(views::View* view);
+  ~ViewAccessibilityWrapper() {}
+
+  STDMETHODIMP CreateDefaultInstance(REFIID iid);
+
+  // Returns a pointer to a specified interface on an object to which a client
+  // currently holds an interface pointer. If pointer exists, it is reused,
+  // otherwise a new pointer is created. Used by accessibility implementation to
+  // retrieve MSAA implementation for child or parent, when navigating MSAA
+  // hierarchy.
+  STDMETHODIMP GetInstance(REFIID iid, void** interface_ptr);
+
+  // Sets the accessibility interface implementation of this wrapper to be
+  // anything the user specifies.
+  STDMETHODIMP SetInstance(IAccessible* interface_ptr);
+
+ private:
+  // Instance of accessibility information and handling for a View.
+  CComPtr<IAccessible> accessibility_info_;
+
+  // View needed to initialize IAccessible.
+  views::View* view_;
+
+  DISALLOW_COPY_AND_ASSIGN(ViewAccessibilityWrapper);
+};
+
+#endif  // CHROME_VIEWS_ACCESSIBILITY_VIEW_ACCESSIBILITY_WRAPPER_H_