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Code Issues Releases Wiki Activity

trezor/ui: close backlight slider properly

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This commit is contained in:
Jan Pochyla 2017-10-10 15:33:54 +02:00
parent 04acab723a
commit 3ea5b9c151
1 changed files with 12 additions and 7 deletions
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19
src/trezor/ui/__init__.py
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@ -82,21 +82,26 @@ async def alert(count: int=3):
display.backlight(current)
async def backlight_slide(val: int, delay: int=20000):
async def backlight_slide(val: int, delay: int=20000, step: int=1):
sleep = loop.sleep(delay)
current = display.backlight()
for i in range(current, val, -1 if current > val else 1):
for i in range(current, val, -step if current > val else step):
display.backlight(i)
await sleep
def layout(f):
delay = const(1000)
step = const(3)
async def inner(*args, **kwargs):
slider = backlight_slide(BACKLIGHT_NORMAL, 1000)
loop.schedule(slider)
await f(*args, **kwargs)
slider.close()
await backlight_slide(BACKLIGHT_DIM, 1000)
await backlight_slide(BACKLIGHT_DIM, delay, step)
slide = backlight_slide(BACKLIGHT_NORMAL, delay, step)
try:
loop.schedule(slide)
return await f(*args, **kwargs)
finally:
loop.close(slide)
return inner