1 files changed, 138 insertions, 0 deletions
diff --git a/accessible/windows/ia2/ia2AccessibleHypertext.cpp b/accessible/windows/ia2/ia2AccessibleHypertext.cpp
new file mode 100644
index 0000000000..220071c883
--- /dev/null
+++ b/accessible/windows/ia2/ia2AccessibleHypertext.cpp
@@ -0,0 +1,138 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:expandtab:shiftwidth=2:tabstop=2:
+ */
+/* 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/. */
+
+#include "ia2AccessibleHypertext.h"
+
+#include "AccessibleHypertext_i.c"
+
+#include "IUnknownImpl.h"
+
+using namespace mozilla::a11y;
+
+HyperTextAccessibleBase* ia2AccessibleHypertext::TextAcc() {
+  Accessible* acc = Acc();
+  return acc ? acc->AsHyperTextBase() : nullptr;
+}
+
+// IUnknown
+STDMETHODIMP
+ia2AccessibleHypertext::QueryInterface(REFIID aIID, void** aInstancePtr) {
+  if (!aInstancePtr) return E_FAIL;
+
+  *aInstancePtr = nullptr;
+
+  Accessible* acc = Acc();
+  if (acc && acc->IsTextRole()) {
+    bool isLocal = acc->IsLocal();
+    if (aIID == IID_IAccessibleText) {
+      *aInstancePtr =
+          static_cast<IAccessibleText*>(static_cast<ia2AccessibleText*>(this));
+    } else if (aIID == IID_IAccessibleHypertext) {
+      *aInstancePtr = static_cast<IAccessibleHypertext*>(this);
+    } else if (aIID == IID_IAccessibleHypertext2 && isLocal) {
+      *aInstancePtr = static_cast<IAccessibleHypertext2*>(this);
+    } else if (aIID == IID_IAccessibleEditableText && isLocal) {
+      *aInstancePtr = static_cast<IAccessibleEditableText*>(this);
+    }
+
+    if (*aInstancePtr) {
+      AddRef();
+      return S_OK;
+    }
+  }
+
+  return MsaaAccessible::QueryInterface(aIID, aInstancePtr);
+}
+
+// IAccessibleHypertext
+
+STDMETHODIMP
+ia2AccessibleHypertext::get_nHyperlinks(long* aHyperlinkCount) {
+  if (!aHyperlinkCount) return E_INVALIDARG;
+
+  *aHyperlinkCount = 0;
+
+  HyperTextAccessibleBase* hyperText = TextAcc();
+  if (!hyperText) return CO_E_OBJNOTCONNECTED;
+
+  *aHyperlinkCount = hyperText->LinkCount();
+  return S_OK;
+}
+
+STDMETHODIMP
+ia2AccessibleHypertext::get_hyperlink(long aLinkIndex,
+                                      IAccessibleHyperlink** aHyperlink) {
+  if (!aHyperlink) return E_INVALIDARG;
+
+  *aHyperlink = nullptr;
+
+  HyperTextAccessibleBase* hyperText = TextAcc();
+  if (!hyperText) {
+    return CO_E_OBJNOTCONNECTED;
+  }
+
+  Accessible* hyperLink = hyperText->LinkAt(aLinkIndex);
+
+  if (!hyperLink) return E_FAIL;
+
+  RefPtr<IAccessibleHyperlink> result = MsaaAccessible::GetFrom(hyperLink);
+  result.forget(aHyperlink);
+  return S_OK;
+}
+
+STDMETHODIMP
+ia2AccessibleHypertext::get_hyperlinkIndex(long aCharIndex,
+                                           long* aHyperlinkIndex) {
+  if (!aHyperlinkIndex) return E_INVALIDARG;
+
+  *aHyperlinkIndex = 0;
+
+  HyperTextAccessibleBase* hyperAcc = TextAcc();
+  if (!hyperAcc) return CO_E_OBJNOTCONNECTED;
+
+  *aHyperlinkIndex = hyperAcc->LinkIndexAtOffset(aCharIndex);
+  return S_OK;
+}
+
+STDMETHODIMP
+ia2AccessibleHypertext::get_hyperlinks(IAccessibleHyperlink*** aHyperlinks,
+                                       long* aNHyperlinks) {
+  if (!aHyperlinks || !aNHyperlinks) {
+    return E_INVALIDARG;
+  }
+
+  *aHyperlinks = nullptr;
+  *aNHyperlinks = 0;
+
+  HyperTextAccessibleBase* hyperText = TextAcc();
+  if (!hyperText) {
+    return CO_E_OBJNOTCONNECTED;
+  }
+
+  uint32_t count = hyperText->LinkCount();
+  *aNHyperlinks = count;
+
+  if (count == 0) {
+    *aHyperlinks = nullptr;
+    return S_FALSE;
+  }
+
+  *aHyperlinks = static_cast<IAccessibleHyperlink**>(
+      ::CoTaskMemAlloc(sizeof(IAccessibleHyperlink*) * count));
+  if (!*aHyperlinks) {
+    return E_OUTOFMEMORY;
+  }
+
+  for (uint32_t i = 0; i < count; ++i) {
+    Accessible* hyperLink = hyperText->LinkAt(i);
+    MOZ_ASSERT(hyperLink);
+    RefPtr<IAccessibleHyperlink> iaHyper = MsaaAccessible::GetFrom(hyperLink);
+    iaHyper.forget(&(*aHyperlinks)[i]);
+  }
+
+  return S_OK;
+}