1 files changed, 96 insertions, 0 deletions
diff --git a/accessible/xpcom/xpcAccessibleGeneric.h b/accessible/xpcom/xpcAccessibleGeneric.h
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+++ b/accessible/xpcom/xpcAccessibleGeneric.h
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+/* -*- 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 "LocalAccessible.h"
+#include "mozilla/a11y/Accessible.h"
+#include "mozilla/a11y/RemoteAccessible.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;
+  }
+
+  NS_DECL_ISUPPORTS
+
+  // nsIAccessible
+  LocalAccessible* ToInternalAccessible() final;
+  Accessible* ToInternalGeneric() final { return mIntl; }
+
+  // xpcAccessibleGeneric
+  virtual void Shutdown();
+
+ protected:
+  virtual ~xpcAccessibleGeneric();
+
+  Accessible* mIntl;
+
+  enum {
+    eSelectable = 1 << 0,
+    eValue = 1 << 1,
+    eHyperLink = 1 << 2,
+    eText = 1 << 3
+  };
+  uint8_t mSupportedIfaces;
+
+ private:
+  friend class LocalAccessible;
+  friend class xpcAccessible;
+  friend class xpcAccessibleHyperLink;
+  friend class xpcAccessibleSelectable;
+  friend class xpcAccessibleValue;
+
+  xpcAccessibleGeneric(const xpcAccessibleGeneric&) = delete;
+  xpcAccessibleGeneric& operator=(const xpcAccessibleGeneric&) = delete;
+};
+
+inline LocalAccessible* xpcAccessible::Intl() {
+  if (!static_cast<xpcAccessibleGeneric*>(this)->mIntl) {
+    return nullptr;
+  }
+  return static_cast<xpcAccessibleGeneric*>(this)->mIntl->AsLocal();
+}
+
+inline Accessible* xpcAccessible::IntlGeneric() {
+  return static_cast<xpcAccessibleGeneric*>(this)->mIntl;
+}
+
+inline Accessible* xpcAccessibleHyperLink::Intl() {
+  return static_cast<xpcAccessibleGeneric*>(this)->mIntl;
+}
+
+inline Accessible* xpcAccessibleSelectable::Intl() {
+  return static_cast<xpcAccessibleGeneric*>(this)->mIntl;
+}
+
+inline Accessible* xpcAccessibleValue::Intl() {
+  return static_cast<xpcAccessibleGeneric*>(this)->mIntl;
+}
+
+}  // namespace a11y
+}  // namespace mozilla
+
+#endif