1 files changed, 110 insertions, 0 deletions
diff --git a/accessible/xpcom/xpcAccessibleGeneric.h b/accessible/xpcom/xpcAccessibleGeneric.h
new file mode 100644
index 000000000..da51d2728
--- /dev/null
+++ b/accessible/xpcom/xpcAccessibleGeneric.h
@@ -0,0 +1,110 @@
+/* -*- 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_xpcAccessibleGeneric_h_
+#define mozilla_a11y_xpcAccessibleGeneric_h_
+
+#include "xpcAccessible.h"
+#include "xpcAccessibleHyperLink.h"
+#include "xpcAccessibleSelectable.h"
+#include "xpcAccessibleValue.h"
+
+#include "Accessible.h"
+#include "AccessibleOrProxy.h"
+
+namespace mozilla {
+namespace a11y {
+
+/**
+ * XPCOM wrapper around Accessible class.
+ */
+class xpcAccessibleGeneric : public xpcAccessible,
+                             public xpcAccessibleHyperLink,
+                             public xpcAccessibleSelectable,
+                             public xpcAccessibleValue
+{
+public:
+  explicit xpcAccessibleGeneric(Accessible* aInternal) :
+    mIntl(aInternal), mSupportedIfaces(0)
+  {
+    if (aInternal->IsSelect())
+      mSupportedIfaces |= eSelectable;
+    if (aInternal->HasNumericValue())
+      mSupportedIfaces |= eValue;
+    if (aInternal->IsLink())
+      mSupportedIfaces |= eHyperLink;
+  }
+
+  xpcAccessibleGeneric(ProxyAccessible* aProxy, uint8_t aInterfaces) :
+    mIntl(aProxy), mSupportedIfaces(aInterfaces) {}
+
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(xpcAccessibleGeneric, nsIAccessible)
+
+  // nsIAccessible
+  virtual Accessible* ToInternalAccessible() const final override;
+
+  // xpcAccessibleGeneric
+  virtual void Shutdown();
+
+protected:
+  virtual ~xpcAccessibleGeneric() {}
+
+  AccessibleOrProxy mIntl;
+
+  enum {
+    eSelectable = 1 << 0,
+    eValue = 1 << 1,
+    eHyperLink = 1 << 2,
+    eText = 1 << 3
+  };
+  uint8_t mSupportedIfaces;
+
+private:
+  friend class Accessible;
+  friend class xpcAccessible;
+  friend class xpcAccessibleHyperLink;
+  friend class xpcAccessibleSelectable;
+  friend class xpcAccessibleValue;
+
+  xpcAccessibleGeneric(const xpcAccessibleGeneric&) = delete;
+  xpcAccessibleGeneric& operator =(const xpcAccessibleGeneric&) = delete;
+};
+
+inline Accessible*
+xpcAccessible::Intl()
+{
+  return static_cast<xpcAccessibleGeneric*>(this)->mIntl.AsAccessible();
+}
+
+inline AccessibleOrProxy
+xpcAccessible::IntlGeneric()
+{
+  return static_cast<xpcAccessibleGeneric*>(this)->mIntl;
+}
+
+inline AccessibleOrProxy
+xpcAccessibleHyperLink::Intl()
+{
+  return static_cast<xpcAccessibleGeneric*>(this)->mIntl;
+}
+
+inline Accessible*
+xpcAccessibleSelectable::Intl()
+{
+  return static_cast<xpcAccessibleGeneric*>(this)->mIntl.AsAccessible();
+}
+
+inline AccessibleOrProxy
+xpcAccessibleValue::Intl()
+{
+  return static_cast<xpcAccessibleGeneric*>(this)->mIntl;
+}
+
+} // namespace a11y
+} // namespace mozilla
+
+#endif