def _changeBackgroundFile(self, fileName, nodeId):
file_obj = open(fileName, 'r+b')
data_str = ''.join(file_obj.readlines())
file_obj.close()
data_list = pbhelpers.string2list(data_str)
env = maestro.gui.Environment()
env.mEventManager.emit(nodeId, 'desktop.set_background', fileName,
data_list, debug = False)
img_digest = self._storeImage(data_str)
self.mSettings[nodeId].setBackgroundImageFile(fileName)
self.mSettings[nodeId].setBackgroundImageCacheKey(img_digest)
self._setBackgroundImage(fileName, data_str)
def onQueryBackgroundImageData(self, nodeId, avatar):
'''
Reports the actual bytes of the desktop background image as a string. If
there is no background image or the image could not be read, then an
empty string is reported.
'''
# Tell the requesting node the name of the file that holds our
# desktop background image.
env = maestro.core.Environment()
self.mLogger.debug("Emitting desktop.report_bg_image_data")
img_data_list = \
pbhelpers.string2list(self._getBackgroundImageData(avatar))
env.mEventManager.emit(nodeId, 'desktop.report_bg_image_data',
img_data_list, debug = False)
