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# SPDX-License-Identifier: LGPL-3.0-or-later
# Copyright (C) 2021 Francesco Gazzetta
"""DisaBLE
~~~~~~~~~~
Disable BLE to save energy and enhance privacy.
This app shows the bluetooth status and provides a button to disable/enable it.
Unfortunately, re-enabling bluetooth normally has some issues, so as a
workaround the "enable" button restarts the watch.
.. figure:: res/DisaBLEApp.png
:width: 179
"""
import wasp
import widgets
import ble
class DisaBLEApp():
NAME = 'DisaBLE'
# 1-bit RLE, 96x64, generated from res/disaBLE_icon.png, 167 bytes
ICON = (
96, 64,
b'\xff\x00\xff\x00\xff\x00\xff\x00g\x02]\x03\\\x03\\\x03'
b'\\\x03J\x01\x11\x03K\x02\x0f\x03L\x03\r\x03M\x04'
b'\x0b\x03N\x05\t\x03O\x06\x07\x03P\x07\x05\x03Q\x03'
b'\x01\x04\x03\x03L\x02\x04\x03\x02\x04\x01\x03L\x04\x03\x03'
b'\x03\x06N\x04\x02\x03\x02\x06P\x04\x01\x03\x01\x06R\r'
b'T\x0bV\tX\x07Y\x06Y\x07X\tV\x0bT\x08'
b'\x01\x04R\t\x02\x04P\x06\x01\x03\x03\x04P\x04\x02\x03'
b'\x02\x04Q\x03\x03\x03\x01\x04Q\x03\x04\x07Q\x03\x05\x06'
b'Q\x03\x06\x05Q\x03\x07\x04Q\x03\x08\x03Q\x03\t\x02'
b'Q\x03\n\x01Q\x03\\\x03\\\x03\\\x03]\x02\xff\x00'
b'\xff\x00\xff\x00\xff\x00g'
)
def __init__(self):
self._btn = widgets.Button(10, 120, 220, 80, 'Disable' if ble.enabled() else 'Reboot to enable')
def foreground(self):
self._draw()
wasp.system.request_event(wasp.EventMask.TOUCH)
def _draw(self):
draw = wasp.watch.drawable
draw.set_color(wasp.system.theme('bright'))
draw.fill()
draw.string('BLE status: ' + ('ON' if ble.enabled() else 'OFF'), 0, 60, width=240)
self._btn.draw()
def touch(self, event):
if self._btn.touch(event):
if ble.enabled():
ble.disable()
self._btn = widgets.Button(10, 120, 220, 80, 'Reboot to enable')
self._draw()
else:
wasp.machine.reset()
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