[orca] Get Orca to handle table rows which lack ROLE_TABLE_ROW

[Joanmarie Diggs <joanied src gnome org>]

commit 03d35d77a7834ba79cc05e46c570599915a4de82
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Thu Feb 14 18:05:44 2013 -0500

    Get Orca to handle table rows which lack ROLE_TABLE_ROW

 src/orca/generator.py        |    9 +++++++--
 src/orca/script_utilities.py |   19 +++++++++++++++++++
 2 files changed, 26 insertions(+), 2 deletions(-)
---
diff --git a/src/orca/generator.py b/src/orca/generator.py
index 582f3c6..c67e718 100644
--- a/src/orca/generator.py
+++ b/src/orca/generator.py
@@ -871,8 +871,13 @@ class Generator:
                          and pointOfReference["lastColumn"] == column))
             if presentAll:
                 args['readingRow'] = True
-                for i in range(0, parentTable.nColumns):
-                    cell = parentTable.getAccessibleAt(row, i)
+                if self._script.utilities.isTableRow(obj):
+                    cells = [x for x in obj]
+                else:
+                    cells = [parentTable.getAccessibleAt(row, i) \
+                                 for i in range(parentTable.nColumns)]
+
+                for cell in cells:
                     if not cell:
                         continue
                     state = cell.getState()
diff --git a/src/orca/script_utilities.py b/src/orca/script_utilities.py
index 31f06e5..9d90ac8 100644
--- a/src/orca/script_utilities.py
+++ b/src/orca/script_utilities.py
@@ -1281,6 +1281,25 @@ class Utilities:
         else:
             return state.contains(pyatspi.STATE_SHOWING)
 
+    @staticmethod
+    def isTableRow(obj):
+        """Determines if obj is a table row -- real or functionally."""
+        if not (obj and obj.parent and obj.childCount):
+            return False
+
+        if obj.getRole() == pyatspi.ROLE_TABLE_ROW:
+            return True
+
+        if not obj.parent.getRole() == pyatspi.ROLE_TABLE:
+            return False
+
+        isCell = lambda x: x and x.getRole() == pyatspi.ROLE_TABLE_CELL
+        cellChildren = list(filter(isCell, [x for x in obj]))
+        if len(cellChildren) == obj.childCount:
+            return True        
+
+        return False
+
     def realActiveDescendant(self, obj):
         """Given an object that should be a child of an object that
         manages its descendants, return the child that is the real