Add a big grab bag of missing web accessibility functionality...

content/browser/accessibility/browser_accessibility.h

Index: content/browser/accessibility/browser_accessibility.h
===================================================================
--- content/browser/accessibility/browser_accessibility.h	(revision 98225)
+++ content/browser/accessibility/browser_accessibility.h	(working copy)
@@ -52,6 +52,12 @@
   // have been reset with new values from the renderer process.
   virtual void Initialize();
 
+  // Optionally send events triggered simply by the fact that this node
+  // has been created or modified (and has been attached to the tree).
+  // This can include "show" events, "text changed" events in live regions,
+  // or "alert" events.
+  virtual void SendNodeUpdateEvents() {}
+
   // Initialize this object, reading attributes from |src|. Does not
   // recurse into children of |src| and build the whole subtree.
   void Initialize(BrowserAccessibilityManager* manager,
@@ -139,6 +145,16 @@
     return int_attributes_;
   }
 
+  const std::map<WebAccessibility::FloatAttribute, float>&
+  float_attributes() const {

[David Tseng, 2011/08/26 16:14:37]

Indent? (and below).

[dmazzoni, 2011/08/29 18:08:51]

I think this may have been correct, but as a better fix, I defined some typedefs
for these maps so that these all fit on one line.

+    return float_attributes_;
+  }
+
+  const std::map<WebAccessibility::BoolAttribute, bool>&
+  bool_attributes() const {
+    return bool_attributes_;
+  }
+
   int32 child_id() const { return child_id_; }
   const std::vector<BrowserAccessibility*>& children() const {
     return children_;
@@ -156,6 +172,9 @@
   const std::vector<int32>& cell_ids() const {
     return cell_ids_;
   }
+  const std::vector<int32>& unique_cell_ids() const {
+    return unique_cell_ids_;
+  }
   gfx::Rect location() const { return location_; }
   BrowserAccessibilityManager* manager() const { return manager_; }
   const string16& name() const { return name_; }
@@ -182,6 +201,21 @@
   // map and returns true if found.
   bool GetIntAttribute(WebAccessibility::IntAttribute attribute, int* value);
 
+  // Retrieve the value of a float attribute from the float attribute
+  // map and returns true if found.
+  bool GetFloatAttribute(WebAccessibility::FloatAttribute attr, float* value);
+
+  // Retrieve the value of a bool attribute from the bool attribute
+  // map and returns true if found.
+  bool GetBoolAttribute(WebAccessibility::BoolAttribute attr, bool* value);
+
+  // Retrieve the value of a html attribute from the attribute map and
+  // returns true if found.
+  bool GetHtmlAttribute(const char* attr, string16* value);
+
+  // Returns true if this node is an editable text field of any kind.
+  bool IsEditableText();
+
  protected:
   BrowserAccessibility();
 
@@ -212,6 +246,8 @@
   string16 value_;
   std::map<WebAccessibility::StringAttribute, string16> string_attributes_;
   std::map<WebAccessibility::IntAttribute, int32> int_attributes_;
+  std::map<WebAccessibility::FloatAttribute, float> float_attributes_;
+  std::map<WebAccessibility::BoolAttribute, bool> bool_attributes_;
   std::vector<std::pair<string16, string16> > html_attributes_;
   int32 role_;
   int32 state_;
@@ -220,6 +256,7 @@
   std::vector<int32> indirect_child_ids_;
   std::vector<int32> line_breaks_;
   std::vector<int32> cell_ids_;
+  std::vector<int32> unique_cell_ids_;
 
   // BrowserAccessibility objects are reference-counted on some platforms.
   // When we're done with this object and it's removed from our accessibility