mirror of
https://github.com/trezor/trezor-firmware.git
synced 2025-01-04 20:40:55 +00:00
87 lines
2.6 KiB
Python
87 lines
2.6 KiB
Python
from typing import TYPE_CHECKING
|
|
|
|
if TYPE_CHECKING:
|
|
from typing import Any
|
|
|
|
from trezor.ui.layouts.common import ProgressLayout
|
|
|
|
_previous_seconds: int | None = None
|
|
_previous_remaining: str | None = None
|
|
_progress_layout: ProgressLayout | None = None
|
|
_started_with_empty_loader = False
|
|
keepalive_callback: Any = None
|
|
|
|
_ignore_loader_messages: tuple[str, ...] = ()
|
|
|
|
|
|
def ignore_nonpin_loader_messages() -> None:
|
|
global _ignore_loader_messages
|
|
_ignore_loader_messages = ("Processing", "Starting up")
|
|
|
|
|
|
def allow_all_loader_messages() -> None:
|
|
global _ignore_loader_messages
|
|
_ignore_loader_messages = ()
|
|
|
|
|
|
def render_empty_loader(message: str, description: str) -> None:
|
|
"""Render empty loader to prevent the screen appear to be frozen."""
|
|
from trezor.ui.layouts.progress import pin_progress
|
|
|
|
global _progress_layout
|
|
global _started_with_empty_loader
|
|
|
|
_progress_layout = pin_progress(message, description)
|
|
_progress_layout.report(0, None)
|
|
|
|
_started_with_empty_loader = True
|
|
|
|
|
|
def show_pin_timeout(seconds: int, progress: int, message: str) -> bool:
|
|
from trezor.ui.layouts.progress import pin_progress
|
|
|
|
# Possibility to ignore certain messages - not showing loader for them
|
|
if message in _ignore_loader_messages:
|
|
return False
|
|
|
|
global _previous_seconds
|
|
global _previous_remaining
|
|
global _progress_layout
|
|
global _started_with_empty_loader
|
|
|
|
if callable(keepalive_callback):
|
|
keepalive_callback()
|
|
|
|
if progress == 0 or _progress_layout is None:
|
|
_previous_seconds = None
|
|
|
|
if seconds != _previous_seconds:
|
|
if seconds == 0:
|
|
remaining = "Done"
|
|
elif seconds == 1:
|
|
remaining = "1 second left"
|
|
else:
|
|
remaining = f"{seconds} seconds left"
|
|
_previous_remaining = remaining
|
|
_previous_seconds = seconds
|
|
else:
|
|
remaining = _previous_remaining
|
|
|
|
# create the layout if it doesn't exist yet or should be started again
|
|
if _progress_layout is None or (progress == 0 and not _started_with_empty_loader):
|
|
_progress_layout = pin_progress(message, description=remaining or "")
|
|
|
|
# reset the flag - the render_empty_loader() has the effect only in the first call
|
|
# of this function, where we do not want to re-initialize the layout
|
|
# to avoid a screen flicker
|
|
_started_with_empty_loader = False
|
|
|
|
# update the progress layout
|
|
_progress_layout.report(progress, remaining)
|
|
|
|
# drop the layout when done so trezor.ui doesn't have to remain in memory
|
|
if seconds == 0:
|
|
_progress_layout = None
|
|
|
|
return False
|