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Code Issues Releases Wiki Activity

core/pin: Avoid flicker in remaining time message.

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This commit is contained in:
Andrew Kozlik 2019-09-06 19:53:28 +02:00
parent 6ee1ea0fde
commit 58c2691ad9
1 changed files with 18 additions and 28 deletions
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46
core/src/trezor/pin.py
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@ -1,20 +1,21 @@
from trezor import ui
if False:
from typing import Any
from typing import Any, Optional
def pin_to_int(pin: str) -> int:
return int("1" + pin)
_previous_progress = None
_previous_progress = None # type: Optional[int]
_previous_seconds = None # type: Optional[int]
keepalive_callback = None # type: Any
def show_pin_timeout(seconds: int, progress: int, message: str) -> bool:
global _previous_progress
global _previous_seconds
if callable(keepalive_callback):
keepalive_callback()
@ -23,35 +24,24 @@ def show_pin_timeout(seconds: int, progress: int, message: str) -> bool:
if progress != _previous_progress:
# avoid overdraw in case of repeated progress calls
ui.display.clear()
_previous_seconds = None
ui.display.text_center(
ui.WIDTH // 2, 37, message, ui.BOLD, ui.FG, ui.BG, ui.WIDTH
)
ui.display.loader(progress, False, 0, ui.FG, ui.BG)
if seconds == 0:
ui.display.text_center(
ui.WIDTH // 2, ui.HEIGHT - 22, "Done", ui.BOLD, ui.FG, ui.BG, ui.WIDTH
)
elif seconds == 1:
ui.display.text_center(
ui.WIDTH // 2,
ui.HEIGHT - 22,
"1 second left",
ui.BOLD,
ui.FG,
ui.BG,
ui.WIDTH,
)
else:
ui.display.text_center(
ui.WIDTH // 2,
ui.HEIGHT - 22,
"%d seconds left" % seconds,
ui.BOLD,
ui.FG,
ui.BG,
ui.WIDTH,
)
ui.display.refresh()
if seconds != _previous_seconds:
if seconds == 0:
remaining = "Done"
elif seconds == 1:
remaining = "1 second left"
else:
remaining = "%d seconds left" % seconds
ui.display.text_center(
ui.WIDTH // 2, ui.HEIGHT - 22, remaining, ui.BOLD, ui.FG, ui.BG, ui.WIDTH
)
_previous_seconds = seconds
ui.display.refresh()
_previous_progress = progress
return False