mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-14 10:28:10 +00:00
96 lines
2.8 KiB
Python
96 lines
2.8 KiB
Python
from typing import TYPE_CHECKING
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from . import config
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if TYPE_CHECKING:
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from typing import Any, Container
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from trezor.ui import ProgressLayout
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_previous_seconds: int | None = None
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_previous_remaining: str | None = None
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_progress_layout: ProgressLayout | None = None
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_started_with_empty_loader = False
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keepalive_callback: Any = None
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_ignore_loader_messages: Container[config.StorageMessage] = ()
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def ignore_nonpin_loader_messages() -> None:
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global _ignore_loader_messages
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_ignore_loader_messages = (
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config.StorageMessage.PROCESSING_MSG,
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config.StorageMessage.STARTING_MSG,
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)
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def allow_all_loader_messages() -> None:
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global _ignore_loader_messages
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_ignore_loader_messages = ()
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def render_empty_loader(message: config.StorageMessage, description: str = "") -> None:
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"""Render empty loader to prevent the screen appear to be frozen."""
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from trezor.ui.layouts.progress import pin_progress
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global _progress_layout
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global _started_with_empty_loader
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_progress_layout = pin_progress(message, description)
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_progress_layout.report(0, None)
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_started_with_empty_loader = True
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def show_pin_timeout(
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seconds: int, progress: int, message: config.StorageMessage
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) -> bool:
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from trezor import TR
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from trezor.ui.layouts.progress import pin_progress
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# Possibility to ignore certain messages - not showing loader for them
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if message in _ignore_loader_messages:
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return False
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global _previous_seconds
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global _previous_remaining
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global _progress_layout
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global _started_with_empty_loader
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if callable(keepalive_callback):
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keepalive_callback()
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if progress == 0 or _progress_layout is None:
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_previous_seconds = None
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if seconds != _previous_seconds:
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if seconds == 0:
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remaining = TR.progress__done
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elif seconds == 1:
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remaining = TR.progress__one_second_left
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else:
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# TODO: make this a plural
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remaining = TR.progress__x_seconds_left_template.format(seconds)
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_previous_remaining = remaining
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_previous_seconds = seconds
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else:
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remaining = _previous_remaining
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# create the layout if it doesn't exist yet or should be started again
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if _progress_layout is None or (progress == 0 and not _started_with_empty_loader):
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_progress_layout = pin_progress(message, description=remaining or "")
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# reset the flag - the render_empty_loader() has the effect only in the first call
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# of this function, where we do not want to re-initialize the layout
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# to avoid a screen flicker
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_started_with_empty_loader = False
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# update the progress layout
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_progress_layout.report(progress, remaining)
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# drop the layout when done so trezor.ui doesn't have to remain in memory
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if progress >= 1000:
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_progress_layout = None
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return False
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