[orca] Web: Don't generate line contents when tabbing into editable with descendants

[Joanmarie Diggs <joanied src gnome org>]

commit 09d721e3d9af930760d4de0b87de96e5e38be249
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Fri Feb 26 16:00:00 2021 +0100

    Web: Don't generate line contents when tabbing into editable with descendants
    
    Certain chat web apps have an editable text object with descendant
    elements. If one gives it focus with tab, we should just present the
    entry rather than the full bar.

 src/orca/scripts/web/script.py | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/orca/scripts/web/script.py b/src/orca/scripts/web/script.py
index e8fa9e58c..63ed12201 100644
--- a/src/orca/scripts/web/script.py
+++ b/src/orca/scripts/web/script.py
@@ -1299,6 +1299,7 @@ class Script(default.Script):
             contents = self.utilities.getLineContentsAtOffset(newFocus, caretOffset)
             utterances = self.speechGenerator.generateContents(contents, priorObj=oldFocus)
         elif self.utilities.isContentEditableWithEmbeddedObjects(newFocus) \
+           and not self.utilities.lastInputEventWasTab() \
            and not (newFocus.getRole() == pyatspi.ROLE_TABLE_CELL and newFocus.name):
             msg = "WEB: New focus %s content editable. Generating line contents." % newFocus
             debug.println(debug.LEVEL_INFO, msg, True)