#appModules/tween.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) 2012-2013 James Teh

"""App module for Tween
"""

import appModuleHandler
import controlTypes
from NVDAObjects.window import Window
import winUser
from NVDAObjects.IAccessible.sysListView32 import ListItem
import displayModel
import textInfos

class TweetListItem(ListItem):

	def initOverlayClass(self):
		self._isGettingName = False

	def _get_name(self):
		self._isGettingName = True
		try:
			return super(TweetListItem, self).name
		finally:
			self._isGettingName = False

	def _getColumnHeaderRaw(self, index):
		if self._isGettingName and index in (1, 2):
			# If this is for use in the name property,
			# don't include the headers for the Name and Post columns.
			return None
		return super(TweetListItem, self)._getColumnHeaderRaw(index)

	def _getColumnContentRaw(self, index):
		if controlTypes.STATE_INVISIBLE not in self.states and index == 3:
			# This is the date column.
			# Its content is overridden on screen,
			# so use display model.
			left, top, width, height = self._getColumnLocationRaw(index)
			content = displayModel.DisplayModelTextInfo(self,
				textInfos.Rect(left, top, left + width, top + height)).text
			if content:
				return content
		return super(TweetListItem, self)._getColumnContentRaw(index)

class AppModule(appModuleHandler.AppModule):

	def event_NVDAObject_init(self, obj):
		if not isinstance(obj, Window):
			return
		role = obj.role
		if role == controlTypes.ROLE_WINDOW:
			return
		wclass = Window.normalizeWindowClassName(obj.windowClassName)

		if wclass == "Window.8" and role == controlTypes.ROLE_PANE:
			# optimisation: There are quite a lot of these, so let's not instantiate parent NVDAObjects unnecessarily.
			parentWindow = winUser.getAncestor(obj.windowHandle, winUser.GA_PARENT)
			if parentWindow and Window.normalizeWindowClassName(winUser.getClassName(parentWindow)) == "SysTabControl32":
				obj.role = controlTypes.ROLE_PROPERTYPAGE

		elif wclass == "SysTabControl32":
			obj.isPresentableFocusAncestor = False

	def chooseNVDAObjectOverlayClasses(self, obj, clsList):
		if ListItem in clsList:
			clsList.insert(0, TweetListItem)