1 files changed, 71 insertions, 0 deletions
diff --git a/accessible/windows/msaa/MsaaDocAccessible.h b/accessible/windows/msaa/MsaaDocAccessible.h
new file mode 100644
index 0000000000..4bb36670a4
--- /dev/null
+++ b/accessible/windows/msaa/MsaaDocAccessible.h
@@ -0,0 +1,71 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_a11y_MsaaDocAccessible_h__
+#define mozilla_a11y_MsaaDocAccessible_h__
+
+#include "ia2AccessibleHypertext.h"
+#include "nsTHashMap.h"
+
+namespace mozilla {
+
+namespace a11y {
+class Accessible;
+class DocAccessible;
+class DocAccessibleParent;
+
+class MsaaDocAccessible : public ia2AccessibleHypertext {
+ public:
+  DocAccessible* DocAcc();
+
+  // IUnknown
+  DECL_IUNKNOWN_INHERITED
+  IMPL_IUNKNOWN_REFCOUNTING_INHERITED(ia2AccessibleHypertext)
+
+  // IAccessible
+
+  // Override get_accParent for e10s
+  virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accParent(
+      /* [retval][out] */ IDispatch __RPC_FAR* __RPC_FAR* ppdispParent)
+      override;
+
+  // Override get_accValue to provide URL when no other value is available
+  virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accValue(
+      /* [optional][in] */ VARIANT varChild,
+      /* [retval][out] */ BSTR __RPC_FAR* pszValue) override;
+
+  /**
+   * Manage the mapping from id to Accessible.
+   */
+  void AddID(uint32_t aID, Accessible* aAcc) {
+    mIDToAccessibleMap.InsertOrUpdate(aID, aAcc);
+  }
+  void RemoveID(uint32_t aID) { mIDToAccessibleMap.Remove(aID); }
+  Accessible* GetAccessibleByID(uint32_t aID) const {
+    return mIDToAccessibleMap.Get(aID);
+  }
+
+  static MsaaDocAccessible* GetFrom(DocAccessible* aDoc);
+  static MsaaDocAccessible* GetFrom(DocAccessibleParent* aDoc);
+
+  /**
+   * Get the MsaaDocAccessible for the document which owns the given Accessible.
+   */
+  static MsaaDocAccessible* GetFromOwned(Accessible* aAcc);
+
+ protected:
+  using ia2AccessibleHypertext::ia2AccessibleHypertext;
+
+  /*
+   * This provides a mapping from 32 bit id to accessible objects.
+   */
+  nsTHashMap<nsUint32HashKey, Accessible*> mIDToAccessibleMap;
+};
+
+}  // namespace a11y
+}  // namespace mozilla
+
+#endif