Add m-esr52 at 52.6.0

1 files changed, 539 insertions, 0 deletions

diff --git a/accessible/windows/sdn/sdnAccessible.cpp b/accessible/windows/sdn/sdnAccessible.cpp
new file mode 100644
index 000000000..909b0779c
--- /dev/null
+++ b/accessible/windows/sdn/sdnAccessible.cpp
@@ -0,0 +1,539 @@
+/* -*- 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/. */
+
+#include "sdnAccessible-inl.h"
+#include "ISimpleDOMNode_i.c"
+
+#include "DocAccessibleWrap.h"
+
+#include "nsAttrName.h"
+#include "nsCoreUtils.h"
+#include "nsIAccessibleTypes.h"
+#include "nsIDOMHTMLElement.h"
+#include "nsIDOMCSSStyleDeclaration.h"
+#include "nsNameSpaceManager.h"
+#include "nsServiceManagerUtils.h"
+#include "nsWinUtils.h"
+#include "nsRange.h"
+
+#include "mozilla/dom/BorrowedAttrInfo.h"
+#include "mozilla/dom/Element.h"
+
+using namespace mozilla;
+using namespace mozilla::a11y;
+
+STDMETHODIMP
+sdnAccessible::QueryInterface(REFIID aREFIID, void** aInstancePtr)
+{
+  A11Y_TRYBLOCK_BEGIN
+
+  if (!aInstancePtr)
+    return E_FAIL;
+  *aInstancePtr = nullptr;
+
+  if (aREFIID == IID_ISimpleDOMNode) {
+    *aInstancePtr = static_cast<ISimpleDOMNode*>(this);
+    AddRef();
+    return S_OK;
+  }
+
+  AccessibleWrap* accessible = static_cast<AccessibleWrap*>(GetAccessible());
+  if (accessible)
+    return accessible->QueryInterface(aREFIID, aInstancePtr);
+
+  // IUnknown* is the canonical one if and only if this accessible doesn't have
+  // an accessible.
+  if (aREFIID == IID_IUnknown) {
+    *aInstancePtr = static_cast<ISimpleDOMNode*>(this);
+    AddRef();
+    return S_OK;
+  }
+
+  return E_NOINTERFACE;
+
+  A11Y_TRYBLOCK_END
+}
+
+STDMETHODIMP
+sdnAccessible::get_nodeInfo(BSTR __RPC_FAR* aNodeName,
+                            short __RPC_FAR* aNameSpaceID,
+                            BSTR __RPC_FAR* aNodeValue,
+                            unsigned int __RPC_FAR* aNumChildren,
+                            unsigned int __RPC_FAR* aUniqueID,
+                            unsigned short __RPC_FAR* aNodeType)
+{
+  A11Y_TRYBLOCK_BEGIN
+
+  if (!aNodeName || !aNameSpaceID || !aNodeValue || !aNumChildren ||
+      !aUniqueID || !aNodeType)
+    return E_INVALIDARG;
+
+  *aNodeName = nullptr;
+  *aNameSpaceID = 0;
+  *aNodeValue = nullptr;
+  *aNumChildren = 0;
+  *aUniqueID = 0;
+  *aNodeType = 0;
+
+  if (IsDefunct())
+    return CO_E_OBJNOTCONNECTED;
+
+  nsCOMPtr<nsIDOMNode> DOMNode(do_QueryInterface(mNode));
+
+  uint16_t nodeType = 0;
+  DOMNode->GetNodeType(&nodeType);
+  *aNodeType = static_cast<unsigned short>(nodeType);
+
+  if (*aNodeType !=  NODETYPE_TEXT) {
+    nsAutoString nodeName;
+    DOMNode->GetNodeName(nodeName);
+    *aNodeName = ::SysAllocString(nodeName.get());
+  }
+
+  nsAutoString nodeValue;
+  DOMNode->GetNodeValue(nodeValue);
+  *aNodeValue = ::SysAllocString(nodeValue.get());
+
+  *aNameSpaceID = mNode->IsNodeOfType(nsINode::eCONTENT) ?
+    static_cast<short>(mNode->AsContent()->GetNameSpaceID()) : 0;
+
+  // This is a unique ID for every content node. The 3rd party accessibility
+  // application can compare this to the childID we return for events such as
+  // focus events, to correlate back to data nodes in their internal object
+  // model.
+  Accessible* accessible = GetAccessible();
+  if (accessible) {
+    *aUniqueID = AccessibleWrap::GetChildIDFor(accessible);
+  } else {
+    *aUniqueID = - NS_PTR_TO_INT32(static_cast<void*>(this));
+  }
+
+  *aNumChildren = mNode->GetChildCount();
+
+  return S_OK;
+
+  A11Y_TRYBLOCK_END
+}
+
+STDMETHODIMP
+sdnAccessible::get_attributes(unsigned  short aMaxAttribs,
+                              BSTR __RPC_FAR* aAttribNames,
+                              short __RPC_FAR* aNameSpaceIDs,
+                              BSTR __RPC_FAR* aAttribValues,
+                              unsigned short __RPC_FAR* aNumAttribs)
+{
+  A11Y_TRYBLOCK_BEGIN
+
+  if (!aAttribNames || !aNameSpaceIDs || !aAttribValues || !aNumAttribs)
+    return E_INVALIDARG;
+
+  *aNumAttribs = 0;
+
+  if (IsDefunct())
+    return CO_E_OBJNOTCONNECTED;
+
+  if (!mNode->IsElement())
+    return S_FALSE;
+
+  dom::Element* elm = mNode->AsElement();
+  uint32_t numAttribs = elm->GetAttrCount();
+  if (numAttribs > aMaxAttribs)
+    numAttribs = aMaxAttribs;
+
+  *aNumAttribs = static_cast<unsigned short>(numAttribs);
+
+  for (uint32_t index = 0; index < numAttribs; index++) {
+    aNameSpaceIDs[index] = 0;
+    aAttribValues[index] = aAttribNames[index] = nullptr;
+    nsAutoString attributeValue;
+
+    dom::BorrowedAttrInfo attr = elm->GetAttrInfoAt(index);
+    attr.mValue->ToString(attributeValue);
+
+    aNameSpaceIDs[index] = static_cast<short>(attr.mName->NamespaceID());
+    aAttribNames[index] = ::SysAllocString(attr.mName->LocalName()->GetUTF16String());
+    aAttribValues[index] = ::SysAllocString(attributeValue.get());
+  }
+
+  return S_OK;
+
+  A11Y_TRYBLOCK_END
+}
+
+STDMETHODIMP
+sdnAccessible::get_attributesForNames(unsigned short aMaxAttribs,
+                                      BSTR __RPC_FAR* aAttribNames,
+                                      short __RPC_FAR* aNameSpaceID,
+                                      BSTR __RPC_FAR* aAttribValues)
+{
+  A11Y_TRYBLOCK_BEGIN
+
+  if (!aAttribNames || !aNameSpaceID || !aAttribValues)
+    return E_INVALIDARG;
+
+  if (IsDefunct())
+    return CO_E_OBJNOTCONNECTED;
+
+  if (!mNode->IsElement())
+    return S_FALSE;
+
+  nsCOMPtr<nsIDOMElement> domElement(do_QueryInterface(mNode));
+  nsNameSpaceManager* nameSpaceManager = nsNameSpaceManager::GetInstance();
+
+  int32_t index = 0;
+  for (index = 0; index < aMaxAttribs; index++) {
+    aAttribValues[index] = nullptr;
+    if (aAttribNames[index]) {
+      nsAutoString attributeValue, nameSpaceURI;
+      nsAutoString attributeName(nsDependentString(
+        static_cast<const wchar_t*>(aAttribNames[index])));
+
+      nsresult rv = NS_OK;
+      if (aNameSpaceID[index]>0 &&
+        NS_SUCCEEDED(nameSpaceManager->GetNameSpaceURI(aNameSpaceID[index],
+                                                       nameSpaceURI))) {
+          rv = domElement->GetAttributeNS(nameSpaceURI, attributeName,
+                                          attributeValue);
+      } else {
+        rv = domElement->GetAttribute(attributeName, attributeValue);
+      }
+
+      if (NS_SUCCEEDED(rv))
+        aAttribValues[index] = ::SysAllocString(attributeValue.get());
+    }
+  }
+
+  return S_OK;
+
+  A11Y_TRYBLOCK_END
+}
+
+STDMETHODIMP
+sdnAccessible::get_computedStyle(unsigned short aMaxStyleProperties,
+                                 boolean aUseAlternateView,
+                                 BSTR __RPC_FAR* aStyleProperties,
+                                 BSTR __RPC_FAR* aStyleValues,
+                                 unsigned short __RPC_FAR* aNumStyleProperties)
+{
+  A11Y_TRYBLOCK_BEGIN
+
+  if (!aStyleProperties || aStyleValues || !aNumStyleProperties)
+    return E_INVALIDARG;
+
+  if (IsDefunct())
+    return CO_E_OBJNOTCONNECTED;
+
+  *aNumStyleProperties = 0;
+
+  if (mNode->IsNodeOfType(nsINode::eDOCUMENT))
+    return S_FALSE;
+
+  nsCOMPtr<nsIDOMCSSStyleDeclaration> cssDecl =
+    nsWinUtils::GetComputedStyleDeclaration(mNode->AsContent());
+  NS_ENSURE_TRUE(cssDecl, E_FAIL);
+
+  uint32_t length = 0;
+  cssDecl->GetLength(&length);
+
+  uint32_t index = 0, realIndex = 0;
+  for (index = realIndex = 0; index < length && realIndex < aMaxStyleProperties;
+       index ++) {
+    nsAutoString property, value;
+
+    // Ignore -moz-* properties.
+    if (NS_SUCCEEDED(cssDecl->Item(index, property)) && property.CharAt(0) != '-')
+      cssDecl->GetPropertyValue(property, value);  // Get property value
+
+    if (!value.IsEmpty()) {
+      aStyleProperties[realIndex] = ::SysAllocString(property.get());
+      aStyleValues[realIndex] = ::SysAllocString(value.get());
+      ++realIndex;
+    }
+  }
+
+  *aNumStyleProperties = static_cast<unsigned short>(realIndex);
+
+  return S_OK;
+
+  A11Y_TRYBLOCK_END
+}
+
+STDMETHODIMP
+sdnAccessible::get_computedStyleForProperties(unsigned short aNumStyleProperties,
+                                              boolean aUseAlternateView,
+                                              BSTR __RPC_FAR* aStyleProperties,
+                                              BSTR __RPC_FAR* aStyleValues)
+{
+  A11Y_TRYBLOCK_BEGIN
+
+  if (!aStyleProperties || !aStyleValues)
+    return E_INVALIDARG;
+
+  if (IsDefunct())
+    return CO_E_OBJNOTCONNECTED;
+
+  if (mNode->IsNodeOfType(nsINode::eDOCUMENT))
+    return S_FALSE;
+
+  nsCOMPtr<nsIDOMCSSStyleDeclaration> cssDecl =
+    nsWinUtils::GetComputedStyleDeclaration(mNode->AsContent());
+  NS_ENSURE_TRUE(cssDecl, E_FAIL);
+
+  uint32_t index = 0;
+  for (index = 0; index < aNumStyleProperties; index++) {
+    nsAutoString value;
+    if (aStyleProperties[index])
+      cssDecl->GetPropertyValue(nsDependentString(aStyleProperties[index]), value);  // Get property value
+    aStyleValues[index] = ::SysAllocString(value.get());
+  }
+
+  return S_OK;
+
+  A11Y_TRYBLOCK_END
+}
+
+STDMETHODIMP
+sdnAccessible::scrollTo(boolean aScrollTopLeft)
+{
+  A11Y_TRYBLOCK_BEGIN
+
+  DocAccessible* document = GetDocument();
+  if (!document) // that's IsDefunct check
+    return CO_E_OBJNOTCONNECTED;
+
+  if (!mNode->IsContent())
+    return S_FALSE;
+
+  uint32_t scrollType =
+    aScrollTopLeft ? nsIAccessibleScrollType::SCROLL_TYPE_TOP_LEFT :
+                     nsIAccessibleScrollType::SCROLL_TYPE_BOTTOM_RIGHT;
+
+  nsCoreUtils::ScrollTo(document->PresShell(), mNode->AsContent(), scrollType);
+  return S_OK;
+
+  A11Y_TRYBLOCK_END
+}
+
+STDMETHODIMP
+sdnAccessible::get_parentNode(ISimpleDOMNode __RPC_FAR *__RPC_FAR* aNode)
+{
+  A11Y_TRYBLOCK_BEGIN
+
+  if (!aNode)
+    return E_INVALIDARG;
+  *aNode = nullptr;
+
+  if (IsDefunct())
+    return CO_E_OBJNOTCONNECTED;
+
+  nsINode* resultNode = mNode->GetParentNode();
+  if (resultNode) {
+    *aNode = static_cast<ISimpleDOMNode*>(new sdnAccessible(resultNode));
+    (*aNode)->AddRef();
+  }
+
+  return S_OK;
+
+  A11Y_TRYBLOCK_END
+}
+
+STDMETHODIMP
+sdnAccessible::get_firstChild(ISimpleDOMNode __RPC_FAR *__RPC_FAR* aNode)
+{
+  A11Y_TRYBLOCK_BEGIN
+
+  if (!aNode)
+    return E_INVALIDARG;
+  *aNode = nullptr;
+
+  if (IsDefunct())
+    return CO_E_OBJNOTCONNECTED;
+
+  nsINode* resultNode = mNode->GetFirstChild();
+  if (resultNode) {
+    *aNode = static_cast<ISimpleDOMNode*>(new sdnAccessible(resultNode));
+    (*aNode)->AddRef();
+  }
+
+  return S_OK;
+
+  A11Y_TRYBLOCK_END
+}
+
+STDMETHODIMP
+sdnAccessible::get_lastChild(ISimpleDOMNode __RPC_FAR *__RPC_FAR* aNode)
+{
+  A11Y_TRYBLOCK_BEGIN
+
+  if (!aNode)
+    return E_INVALIDARG;
+  *aNode = nullptr;
+
+  if (IsDefunct())
+    return CO_E_OBJNOTCONNECTED;
+
+  nsINode* resultNode = mNode->GetLastChild();
+  if (resultNode) {
+    *aNode = static_cast<ISimpleDOMNode*>(new sdnAccessible(resultNode));
+    (*aNode)->AddRef();
+  }
+
+  return S_OK;
+
+  A11Y_TRYBLOCK_END
+}
+
+STDMETHODIMP
+sdnAccessible::get_previousSibling(ISimpleDOMNode __RPC_FAR *__RPC_FAR* aNode)
+{
+  A11Y_TRYBLOCK_BEGIN
+
+  if (!aNode)
+    return E_INVALIDARG;
+  *aNode = nullptr;
+
+  if (IsDefunct())
+    return CO_E_OBJNOTCONNECTED;
+
+  nsINode* resultNode = mNode->GetPreviousSibling();
+  if (resultNode) {
+    *aNode = static_cast<ISimpleDOMNode*>(new sdnAccessible(resultNode));
+    (*aNode)->AddRef();
+  }
+
+  return S_OK;
+
+  A11Y_TRYBLOCK_END
+}
+
+STDMETHODIMP
+sdnAccessible::get_nextSibling(ISimpleDOMNode __RPC_FAR *__RPC_FAR* aNode)
+{
+  A11Y_TRYBLOCK_BEGIN
+
+  if (!aNode)
+    return E_INVALIDARG;
+  *aNode = nullptr;
+
+  if (IsDefunct())
+    return CO_E_OBJNOTCONNECTED;
+
+  nsINode* resultNode = mNode->GetNextSibling();
+  if (resultNode) {
+    *aNode = static_cast<ISimpleDOMNode*>(new sdnAccessible(resultNode));
+    (*aNode)->AddRef();
+  }
+
+  return S_OK;
+
+  A11Y_TRYBLOCK_END
+}
+
+STDMETHODIMP
+sdnAccessible::get_childAt(unsigned aChildIndex,
+                           ISimpleDOMNode __RPC_FAR *__RPC_FAR* aNode)
+{
+  A11Y_TRYBLOCK_BEGIN
+
+  if (!aNode)
+    return E_INVALIDARG;
+  *aNode = nullptr;
+
+  if (IsDefunct())
+    return CO_E_OBJNOTCONNECTED;
+
+  nsINode* resultNode = mNode->GetChildAt(aChildIndex);
+  if (resultNode) {
+    *aNode = static_cast<ISimpleDOMNode*>(new sdnAccessible(resultNode));
+    (*aNode)->AddRef();
+  }
+
+
+  return S_OK;
+
+  A11Y_TRYBLOCK_END
+}
+
+STDMETHODIMP
+sdnAccessible::get_innerHTML(BSTR __RPC_FAR* aInnerHTML)
+{
+  A11Y_TRYBLOCK_BEGIN
+
+  if (!aInnerHTML)
+    return E_INVALIDARG;
+  *aInnerHTML = nullptr;
+
+  if (IsDefunct())
+    return CO_E_OBJNOTCONNECTED;
+
+  if (!mNode->IsElement())
+    return S_FALSE;
+
+  nsAutoString innerHTML;
+  mNode->AsElement()->GetInnerHTML(innerHTML);
+  if (innerHTML.IsEmpty())
+    return S_FALSE;
+
+  *aInnerHTML = ::SysAllocStringLen(innerHTML.get(), innerHTML.Length());
+  if (!*aInnerHTML)
+    return E_OUTOFMEMORY;
+
+  return S_OK;
+
+  A11Y_TRYBLOCK_END
+}
+
+STDMETHODIMP
+sdnAccessible::get_localInterface(void __RPC_FAR *__RPC_FAR* aLocalInterface)
+{
+  A11Y_TRYBLOCK_BEGIN
+
+  if (!aLocalInterface)
+    return E_INVALIDARG;
+  *aLocalInterface = nullptr;
+
+  if (IsDefunct())
+    return CO_E_OBJNOTCONNECTED;
+
+  *aLocalInterface = this;
+  AddRef();
+
+  return S_OK;
+
+  A11Y_TRYBLOCK_END
+}
+
+STDMETHODIMP
+sdnAccessible::get_language(BSTR __RPC_FAR* aLanguage)
+{
+  A11Y_TRYBLOCK_BEGIN
+
+  if (!aLanguage)
+    return E_INVALIDARG;
+  *aLanguage = nullptr;
+
+  if (IsDefunct())
+    return CO_E_OBJNOTCONNECTED;
+
+  nsAutoString language;
+  if (mNode->IsContent())
+    nsCoreUtils::GetLanguageFor(mNode->AsContent(), nullptr, language);
+  if (language.IsEmpty()) { // Nothing found, so use document's language
+    mNode->OwnerDoc()->GetHeaderData(nsGkAtoms::headerContentLanguage,
+                                     language);
+  }
+
+  if (language.IsEmpty())
+    return S_FALSE;
+
+  *aLanguage = ::SysAllocStringLen(language.get(), language.Length());
+  if (!*aLanguage)
+   return E_OUTOFMEMORY;
+
+  return S_OK;
+
+  A11Y_TRYBLOCK_END
+}