[orca] Return early in allSelectedText() when entire document is selected

[Joanmarie Diggs <joanied src gnome org>]

commit 7ee87175181ec51d80cb57f20b702c2a04cf689a
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Fri Mar 18 18:37:28 2016 -0400

    Return early in allSelectedText() when entire document is selected
    
    In very large, multi-object documents, it is extremely non-performant
    process each of individual objects. And we weren't going to present all
    the selected text content anyway.

 src/orca/script_utilities.py |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/orca/script_utilities.py b/src/orca/script_utilities.py
index 50dea5c..31e03b2 100644
--- a/src/orca/script_utilities.py
+++ b/src/orca/script_utilities.py
@@ -2121,6 +2121,8 @@ class Utilities:
         """
 
         textContents, startOffset, endOffset = self.selectedText(obj)
+        if textContents and self._script.pointOfReference.get('entireDocumentSelected'):
+            return textContents, startOffset, endOffset
 
         prevObj = self.findPreviousObject(obj)
         while prevObj: