Reland 8775059 Support IAccessibleHypertext.

content/browser/accessibility/browser_accessibility_win.h

Index: content/browser/accessibility/browser_accessibility_win.h
diff --git a/content/browser/accessibility/browser_accessibility_win.h b/content/browser/accessibility/browser_accessibility_win.h
index db6d00f56d49ebcac00fba34040986c13b4336ac..a4811609cf78136aee298ee5031d5b36ee23372b 100644
--- a/content/browser/accessibility/browser_accessibility_win.h
+++ b/content/browser/accessibility/browser_accessibility_win.h
@@ -44,11 +44,12 @@ BrowserAccessibilityWin
       public CComObjectRootEx<CComMultiThreadModel>,
       public IDispatchImpl<IAccessible2, &IID_IAccessible2,
                            &LIBID_IAccessible2Lib>,
+      public IAccessibleHyperlink,
+      public IAccessibleHypertext,
       public IAccessibleImage,
       public IAccessibleTable,
       public IAccessibleTable2,
       public IAccessibleTableCell,
-      public IAccessibleText,
       public IAccessibleValue,
       public IServiceProvider,
       public ISimpleDOMDocument,
@@ -58,12 +59,14 @@ BrowserAccessibilityWin
   BEGIN_COM_MAP(BrowserAccessibilityWin)
     COM_INTERFACE_ENTRY2(IDispatch, IAccessible2)
     COM_INTERFACE_ENTRY2(IAccessible, IAccessible2)
+    COM_INTERFACE_ENTRY2(IAccessibleText, IAccessibleHypertext)
     COM_INTERFACE_ENTRY(IAccessible2)
+    COM_INTERFACE_ENTRY(IAccessibleHyperlink)
+    COM_INTERFACE_ENTRY(IAccessibleHypertext)
     COM_INTERFACE_ENTRY(IAccessibleImage)
     COM_INTERFACE_ENTRY(IAccessibleTable)
     COM_INTERFACE_ENTRY(IAccessibleTable2)
     COM_INTERFACE_ENTRY(IAccessibleTableCell)
-    COM_INTERFACE_ENTRY(IAccessibleText)
     COM_INTERFACE_ENTRY(IAccessibleValue)
     COM_INTERFACE_ENTRY(IServiceProvider)
     COM_INTERFACE_ENTRY(ISimpleDOMDocument)
@@ -71,6 +74,11 @@ BrowserAccessibilityWin
     COM_INTERFACE_ENTRY(ISimpleDOMText)
   END_COM_MAP()
 
+  // Represents a non-static text node in IAccessibleHypertext. This character
+  // is embedded in the response to IAccessibleText::get_text, indicating the
+  // position where a non-static text child object appears.
+  CONTENT_EXPORT static const char16 kEmbeddedCharacter[];
+
   CONTENT_EXPORT BrowserAccessibilityWin();
 
   CONTENT_EXPORT virtual ~BrowserAccessibilityWin();
@@ -78,8 +86,8 @@ BrowserAccessibilityWin
   //
   // BrowserAccessibility methods.
   //
-  CONTENT_EXPORT virtual void Initialize();
-  CONTENT_EXPORT virtual void SendNodeUpdateEvents();
+  CONTENT_EXPORT virtual void PreInitialize();
+CONTENT_EXPORT virtual void PostInitialize();
   CONTENT_EXPORT virtual void NativeAddReference();
   CONTENT_EXPORT virtual void NativeReleaseReference();
 
@@ -478,6 +486,66 @@ BrowserAccessibilityWin
   }
 
   //
+  // IAccessibleHypertext methods.
+  //
+
+  CONTENT_EXPORT STDMETHODIMP get_nHyperlinks(long* hyperlink_count);
+
+  CONTENT_EXPORT STDMETHODIMP get_hyperlink(
+      long index,
+      IAccessibleHyperlink** hyperlink);
+
+  CONTENT_EXPORT STDMETHODIMP get_hyperlinkIndex(long char_index,
+      long* hyperlink_index);
+
+  // IAccessibleHyperlink not implemented.
+  CONTENT_EXPORT STDMETHODIMP get_anchor(long index, VARIANT* anchor) {
+    return E_NOTIMPL;
+  }
+  CONTENT_EXPORT STDMETHODIMP get_anchorTarget(
+      long index,
+      VARIANT* anchor_target) {
+    return E_NOTIMPL;
+  }
+  CONTENT_EXPORT STDMETHODIMP get_startIndex( long* index) {
+    return E_NOTIMPL;
+  }
+  CONTENT_EXPORT STDMETHODIMP get_endIndex( long* index) {
+    return E_NOTIMPL;
+  }
+  CONTENT_EXPORT STDMETHODIMP get_valid(boolean* valid) {
+    return E_NOTIMPL;
+  }
+
+  // IAccessibleAction not implemented.
+  CONTENT_EXPORT STDMETHODIMP nActions(long* n_actions) {
+    return E_NOTIMPL;
+  }
+  CONTENT_EXPORT STDMETHODIMP doAction(long action_index) {
+    return E_NOTIMPL;
+  }
+  CONTENT_EXPORT STDMETHODIMP get_description(
+      long action_index,
+      BSTR* description) {
+    return E_NOTIMPL;
+  }
+  CONTENT_EXPORT STDMETHODIMP get_keyBinding(
+      long action_index,
+      long n_max_bindings,
+      BSTR** key_bindings,
+      long* n_bindings) {
+    return E_NOTIMPL;
+  }
+  CONTENT_EXPORT STDMETHODIMP get_name(long action_index, BSTR* name) {
+    return E_NOTIMPL;
+  }
+  CONTENT_EXPORT STDMETHODIMP get_localizedName(
+      long action_index,
+      BSTR* localized_name) {
+    return E_NOTIMPL;
+  }
+
+  //
   // IAccessibleValue methods.
   //
 
@@ -721,6 +789,17 @@ BrowserAccessibilityWin
   // Relationships between this node and other nodes.
   std::vector<BrowserAccessibilityRelation*> relations_;
 
+  // The text of this node including embedded hyperlink characters.
+  string16 hypertext_;
+
+  // Maps the |hypertext_| embedded character offset to an index in
+  // |hyperlinks_|.
+  std::map<int32, int32> hyperlink_offset_to_index_;
+
+  // Collection of non-static text child indicies, each of which corresponds to
+  // a hyperlink.
+  std::vector<int32> hyperlinks_;
+
   // Give BrowserAccessibility::Create access to our constructor.
   friend class BrowserAccessibility;
   friend class BrowserAccessibilityRelation;