tscanner_dummy.py - electrum - Electrum Bitcoin wallet
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   DIR Files
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       tscanner_dummy.py (1501B)
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            1 ''' Dummy NFC Provider to be used on desktops in case no other provider is found
            2 '''
            3 from . import NFCBase
            4 from kivy.clock import Clock
            5 from kivy.logger import Logger
            6 from kivy.app import App
            7 
            8 class ScannerDummy(NFCBase):
            9     '''This is the dummy interface that gets selected in case any other
           10     hardware interface to NFC is not available.
           11     '''
           12 
           13     _initialised = False
           14 
           15     name = 'NFCDummy'
           16 
           17     def nfc_init(self):
           18         # print 'nfc_init()'
           19 
           20         Logger.debug('NFC: configure nfc')
           21         self._initialised = True
           22         self.nfc_enable()
           23         return True
           24 
           25     def on_new_intent(self, dt):
           26         tag_info = {'type': 'dymmy',
           27                     'message': 'dummy',
           28                     'extra details': None}
           29 
           30         # let Main app know that a tag has been detected
           31         app = App.get_running_app()
           32         app.tag_discovered(tag_info)
           33         app.show_info('New tag detected.', duration=2)
           34         Logger.debug('NFC: got new dummy tag')
           35 
           36     def nfc_enable(self):
           37         Logger.debug('NFC: enable')
           38         if self._initialised:
           39             Clock.schedule_interval(self.on_new_intent, 22)
           40 
           41     def nfc_disable(self):
           42         # print 'nfc_enable()'
           43         Clock.unschedule(self.on_new_intent)
           44 
           45     def nfc_enable_exchange(self, data):
           46         ''' Start sending data
           47         '''
           48         Logger.debug('NFC: sending data {}'.format(data))
           49 
           50     def nfc_disable_exchange(self):
           51         ''' Disable/Stop ndef exchange
           52         '''
           53         Logger.debug('NFC: disable nfc exchange')