Add m-esr52 at 52.6.0

1 files changed, 92 insertions, 0 deletions

diff --git a/accessible/windows/ProxyWrappers.h b/accessible/windows/ProxyWrappers.h
new file mode 100644
index 000000000..6e7c84e18
--- /dev/null
+++ b/accessible/windows/ProxyWrappers.h
@@ -0,0 +1,92 @@
+/* -*- 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_ProxyWrappers_h
+#define MOZILLA_A11Y_ProxyWrappers_h
+
+#include "HyperTextAccessible.h"
+
+namespace mozilla {
+namespace a11y {
+
+class ProxyAccessibleWrap : public AccessibleWrap
+{
+public:
+  ProxyAccessibleWrap(ProxyAccessible* aProxy) :
+    AccessibleWrap(nullptr, nullptr)
+  {
+    mType = eProxyType;
+    mBits.proxy = aProxy;
+  }
+
+  virtual void Shutdown() override
+  {
+    mBits.proxy = nullptr;
+    mStateFlags |= eIsDefunct;
+  }
+
+  virtual void GetNativeInterface(void** aOutAccessible) override
+  {
+    mBits.proxy->GetCOMInterface(aOutAccessible);
+  }
+};
+
+class HyperTextProxyAccessibleWrap : public HyperTextAccessibleWrap
+{
+public:
+  HyperTextProxyAccessibleWrap(ProxyAccessible* aProxy) :
+    HyperTextAccessibleWrap(nullptr, nullptr)
+  {
+    mType = eProxyType;
+    mBits.proxy = aProxy;
+  }
+
+  virtual void Shutdown() override
+  {
+    mBits.proxy = nullptr;
+    mStateFlags |= eIsDefunct;
+  }
+
+  virtual void GetNativeInterface(void** aOutAccessible) override
+  {
+    mBits.proxy->GetCOMInterface(aOutAccessible);
+  }
+};
+
+class DocProxyAccessibleWrap : public HyperTextProxyAccessibleWrap
+{
+public:
+  DocProxyAccessibleWrap(ProxyAccessible* aProxy) :
+    HyperTextProxyAccessibleWrap(aProxy)
+  { mGenericTypes |= eDocument; }
+
+  void AddID(uint32_t aID, AccessibleWrap* aAcc)
+    { mIDToAccessibleMap.Put(aID, aAcc); }
+  void RemoveID(uint32_t aID) { mIDToAccessibleMap.Remove(aID); }
+  AccessibleWrap* GetAccessibleByID(uint32_t aID) const
+    { return mIDToAccessibleMap.Get(aID); }
+
+private:
+  /*
+   * This provides a mapping from 32 bit id to accessible objects.
+   */
+  nsDataHashtable<nsUint32HashKey, AccessibleWrap*> mIDToAccessibleMap;
+};
+
+template<typename T>
+inline ProxyAccessible*
+HyperTextProxyFor(T* aWrapper)
+{
+  static_assert(mozilla::IsBaseOf<IUnknown, T>::value, "only IAccessible* should be passed in");
+  auto wrapper = static_cast<HyperTextProxyAccessibleWrap*>(aWrapper);
+  return wrapper->IsProxy() ? wrapper->Proxy() : nullptr;
+}
+
+}
+}
+
+#endif