In Spotify, focus no longer frequently lands on "unknown" objects. Al…

…so, focus is now restored correctly when returning to Spotify from another application.

Fixes #5439.

source/appModules/spotify.py

@@ -0,0 +1,31 @@
+#appModules/spotify.py
+#A part of NonVisual Desktop Access (NVDA)
+#This file is covered by the GNU General Public License.
+#See the file COPYING for more details.
+#Copyright (C) 2013 NV Access Limited
+
+"""App module for Spotify
+"""
+
+import appModuleHandler
+import controlTypes
+from NVDAObjects.IAccessible import IAccessible
+import eventHandler
+
+class AppModule(appModuleHandler.AppModule):
+
+	def event_NVDAObject_init(self, obj):
+		if obj.windowClassName == "Chrome_RenderWidgetHostHWND" and isinstance(obj, IAccessible) and obj.IAccessibleChildID < 0 and obj.role == controlTypes.ROLE_UNKNOWN:
+			# #5439: Focus seems to hit Chromium objects that die before we can fetch them.
+			obj.shouldAllowIAccessibleFocusEvent = False
+
+	def event_gainFocus(self, obj, nextHandler):
+		if not eventHandler.isPendingEvents("gainFocus") and obj.windowClassName == "Chrome_WidgetWin_0" and obj.role == controlTypes.ROLE_WINDOW:
+			# Spotify doesn't fire focus on the correct object when it gets the foreground.
+			try:
+				focus = obj.activeChild.activeChild
+			except AttributeError:
+				focus = None
+			if focus:
+				return eventHandler.executeEvent("gainFocus", focus)
+		return nextHandler()

user_docs/en/changes.t2t

@@ -12,6 +12,8 @@
 == Bug Fixes ==
 - In iTunes 12, browse mode now updates correctly when a new page loads in the iTunes Store. (#5191)
 - In Internet Explorer and other MSHTML controls, moving to specific heading levels with single letter navigation now behaves as expected when the level of a heading is overridden for accessibility purposes (specifically, when aria-level overrides the level of an h tag). (#5434)
+- In Spotify, focus no longer frequently lands on "unknown" objects. (#5439)
+- Focus is now restored correctly when returning to Spotify from another application. (#5439)
 
 
 = 2015.4 =