[orca] Add additional debugging output

[Joanmarie Diggs <joanied src gnome org>]

commit a8b8d1589cfcbafc4f385e4bc1f5abee94bec1ba
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Thu Aug 27 16:57:09 2015 -0400

    Add additional debugging output

 src/orca/scripts/web/script_utilities.py |   74 ++++++++++++++++++++++++------
 1 files changed, 59 insertions(+), 15 deletions(-)
---
diff --git a/src/orca/scripts/web/script_utilities.py b/src/orca/scripts/web/script_utilities.py
index b241e58..4c7285b 100644
--- a/src/orca/scripts/web/script_utilities.py
+++ b/src/orca/scripts/web/script_utilities.py
@@ -132,7 +132,15 @@ class Utilities(script_utilities.Utilities):
             return None
 
         roles = [pyatspi.ROLE_DOCUMENT_FRAME, pyatspi.ROLE_DOCUMENT_WEB, pyatspi.ROLE_EMBEDDED]
-        isDocument = lambda x: x and x.getRole() in roles
+
+        def isDocument(x):
+            try:
+                return x and x.getRole() in roles
+            except:
+                msg = "WEB: Exception getting role for %s" % x
+                debug.println(debug.LEVEL_INFO, msg)
+                return False
+
         if isDocument(obj):
             return obj
 
@@ -188,13 +196,21 @@ class Utilities(script_utilities.Utilities):
         try:
             state = obj.getState()
         except:
+            msg = "WEB: Exception getting state for %s" % obj
+            debug.println(debug.LEVEL_INFO, msg)
             return
 
         orca.setLocusOfFocus(None, obj, notifyScript=False)
         if state.contains(pyatspi.STATE_FOCUSABLE):
             try:
                 obj.queryComponent().grabFocus()
+            except NotImplementedError:
+                msg = "WEB: %s does not implement the component interface" % obj
+                debug.println(debug.LEVEL_INFO, msg)
+                return
             except:
+                msg = "WEB: Exception grabbing focus on %s" % obj
+                debug.println(debug.LEVEL_INFO, msg)
                 return
 
         text = self.queryNonEmptyText(obj)
@@ -450,6 +466,8 @@ class Utilities(script_utilities.Utilities):
         except NotImplementedError:
             pass
         except:
+            msg = "WEB: Exception getting range extents for %s" % obj
+            debug.println(debug.LEVEL_INFO, msg)
             return [0, 0, 0, 0]
 
         role = obj.getRole()
@@ -458,12 +476,24 @@ class Utilities(script_utilities.Utilities):
            and parentRole in [pyatspi.ROLE_COMBO_BOX, pyatspi.ROLE_LIST_BOX]:
             try:
                 ext = obj.parent.queryComponent().getExtents(0)
+            except NotImplementedError:
+                msg = "WEB: %s does not implement the component interface" % obj.parent
+                debug.println(debug.LEVEL_INFO, msg)
+                return [0, 0, 0, 0]
             except:
+                msg = "WEB: Exception getting extents for %s" % obj.parent
+                debug.println(debug.LEVEL_INFO, msg)
                 return [0, 0, 0, 0]
         else:
             try:
                 ext = obj.queryComponent().getExtents(0)
+            except NotImplementedError:
+                msg = "WEB: %s does not implement the component interface" % obj
+                debug.println(debug.LEVEL_INFO, msg)
+                return [0, 0, 0, 0]
             except:
+                msg = "WEB: Exception getting extents for %s" % obj
+                debug.println(debug.LEVEL_INFO, msg)
                 return [0, 0, 0, 0]
 
         return [ext.x, ext.y, ext.width, ext.height]
@@ -1104,31 +1134,31 @@ class Utilities(script_utilities.Utilities):
         if obj is None:
             obj, offset = self.getCaretContext()
 
-        msg = "INFO: Current context is: %s, %i" % (obj, offset)
+        msg = "WEB: Current context is: %s, %i" % (obj, offset)
         debug.println(debug.LEVEL_INFO, msg)
 
         if obj and self.isZombie(obj):
-            msg = "INFO: Current context obj %s is zombie" % obj
+            msg = "WEB: Current context obj %s is zombie" % obj
             debug.println(debug.LEVEL_INFO, msg)
 
         line = self.getLineContentsAtOffset(obj, offset, layoutMode, useCache)
-        msg = "INFO: Line contents for %s, %i: %s" % (obj, offset, line)
+        msg = "WEB: Line contents for %s, %i: %s" % (obj, offset, line)
         debug.println(debug.LEVEL_INFO, msg)
 
         if not (line and line[0]):
             return []
 
         firstObj, firstOffset = line[0][0], line[0][1]
-        msg = "INFO: First context on line is: %s, %i" % (firstObj, firstOffset)
+        msg = "WEB: First context on line is: %s, %i" % (firstObj, firstOffset)
         debug.println(debug.LEVEL_INFO, msg)
 
         obj, offset = self.previousContext(firstObj, firstOffset, True)
-        msg = "INFO: Previous context is: %s, %i" % (obj, offset)
+        msg = "WEB: Previous context is: %s, %i" % (obj, offset)
         debug.println(debug.LEVEL_INFO, msg)
 
         contents = self.getLineContentsAtOffset(obj, offset, layoutMode, useCache)
         if not contents:
-            msg = "INFO: Could not get line contents for %s, %i" % (obj, offset)
+            msg = "WEB: Could not get line contents for %s, %i" % (obj, offset)
             debug.println(debug.LEVEL_INFO, msg)
             return []
 
@@ -1138,15 +1168,15 @@ class Utilities(script_utilities.Utilities):
         if obj is None:
             obj, offset = self.getCaretContext()
 
-        msg = "INFO: Current context is: %s, %i" % (obj, offset)
+        msg = "WEB: Current context is: %s, %i" % (obj, offset)
         debug.println(debug.LEVEL_INFO, msg)
 
         if obj and self.isZombie(obj):
-            msg = "INFO: Current context obj %s is zombie" % obj
+            msg = "WEB: Current context obj %s is zombie" % obj
             debug.println(debug.LEVEL_INFO, msg)
 
         line = self.getLineContentsAtOffset(obj, offset, layoutMode, useCache)
-        msg = "INFO: Line contents for %s, %i: %s" % (obj, offset, line)
+        msg = "WEB: Line contents for %s, %i: %s" % (obj, offset, line)
         debug.println(debug.LEVEL_INFO, msg)
 
         if not (line and line[0]):
@@ -1157,16 +1187,16 @@ class Utilities(script_utilities.Utilities):
             lastObj, lastOffset = self.lastContext(math)
         else:
             lastObj, lastOffset = line[-1][0], line[-1][2] - 1
-        msg = "INFO: Last context on line is: %s, %i" % (lastObj, lastOffset)
+        msg = "WEB: Last context on line is: %s, %i" % (lastObj, lastOffset)
         debug.println(debug.LEVEL_INFO, msg)
 
         obj, offset = self.nextContext(lastObj, lastOffset, True)
-        msg = "INFO: Next context is: %s, %i" % (obj, offset)
+        msg = "WEB: Next context is: %s, %i" % (obj, offset)
         debug.println(debug.LEVEL_INFO, msg)
 
         contents = self.getLineContentsAtOffset(obj, offset, layoutMode, useCache)
         if not contents:
-            msg = "INFO: Could not get line contents for %s, %i" % (obj, offset)
+            msg = "WEB: Could not get line contents for %s, %i" % (obj, offset)
             debug.println(debug.LEVEL_INFO, msg)
             return []
 
@@ -1177,6 +1207,8 @@ class Utilities(script_utilities.Utilities):
             role = obj.getRole()
             state = obj.getState()
         except:
+            msg = "WEB: Exception getting role and state for %s" % obj
+            debug.println(debug.LEVEL_INFO, msg)
             return False
 
         if state.contains(pyatspi.STATE_EDITABLE) \
@@ -1220,8 +1252,14 @@ class Utilities(script_utilities.Utilities):
         if rv is not None:
             return rv
 
-        role = obj.getRole()
-        state = obj.getState()
+        try:
+            role = obj.getRole()
+            state = obj.getState()
+        except:
+            msg = "WEB: Exception getting role and state for %s" % obj
+            debug.println(debug.LEVEL_INFO, msg)
+            return False
+
         textBlockElements = [pyatspi.ROLE_CAPTION,
                              pyatspi.ROLE_COLUMN_HEADER,
                              pyatspi.ROLE_DOCUMENT_FRAME,
@@ -2044,7 +2082,13 @@ class Utilities(script_utilities.Utilities):
     def getChildIndex(obj, offset):
         try:
             hypertext = obj.queryHypertext()
+        except NotImplementedError:
+            msg = "WEB: %s does not implement the hypertext interface" % obj
+            debug.println(debug.LEVEL_INFO, msg)
+            return -1
         except:
+            msg = "WEB: Exception querying hypertext interface for %s" % obj
+            debug.println(debug.LEVEL_INFO, msg)
             return -1
 
         return hypertext.getLinkIndex(offset)