#!/usr/bin/env python3
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
from gi.repository import GObject, Gtk
from .drawing import Drawing
from .svg import JsonSvg
from .config import Config
import time
import gi
import logging
gi.require_version("Gtk", "3.0")
logging.basicConfig(level=logging.DEBUG)
logger = logging.getLogger('drawingperspective')
def relative_time(seconds):
MIN = 60
H = 60 * MIN
DAY = 24 * H
WEEK = 7 * DAY
if seconds < 30:
return 'just now'
if seconds < 5 * MIN:
return 'a few minutes ago'
if seconds < H:
return f'{int(seconds/MIN/10) * 10} minutes ago'
if seconds < DAY:
return f'{int(seconds/H)} hours ago'
if seconds < 4 * WEEK:
return f'{int(seconds/DAY)} days ago'
if seconds > 10 * 365 * DAY:
return 'never'
return 'a long time ago'
@Gtk.Template(resource_path="/org/freedesktop/TuhiGui/ui/DrawingPerspective.ui")
class DrawingPerspective(Gtk.Stack):
__gtype_name__ = "DrawingPerspective"
image_battery = Gtk.Template.Child()
flowbox_drawings = Gtk.Template.Child()
spinner_sync = Gtk.Template.Child()
label_last_sync = Gtk.Template.Child()
overlay_undo = Gtk.Template.Child()
notification_delete_undo = Gtk.Template.Child()
notification_delete_close = Gtk.Template.Child()
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.known_drawings = []
self.last_sync_time = 0
self._sync_label_timer = GObject.timeout_add_seconds(60, self._update_sync_label)
self._update_sync_label()
Config.load().connect('notify::orientation', self._on_orientation_changed)
def _on_orientation_changed(self, config, pspec):
# When the orientation changes, we just re-generate all SVGs. This
# isn't something that should happen very often anyway so meh.
self.known_drawings = []
child = self.flowbox_drawings.get_child_at_index(0)
while child is not None:
self.flowbox_drawings.remove(child)
child = self.flowbox_drawings.get_child_at_index(0)
self._update_drawings(Config.load(), None)
def _cache_drawings(self, device, pspec):
# The config backend filters duplicates anyway, so don't care here
for ts in self.device.drawings_available:
json_string = self.device.json(ts)
Config.load().add_drawing(ts, json_string)
def _update_drawings(self, config, pspec):
for js in config.drawings:
if js in self.known_drawings:
continue
self.known_drawings.append(js)
svg = JsonSvg(js)
drawing = Drawing(svg)
# We don't know which order we get drawings from the device, so
# let's do a sorted insert here
index = 0
child = self.flowbox_drawings.get_child_at_index(index)
while child is not None:
if child.get_child().timestamp < drawing.timestamp:
break
index += 1
child = self.flowbox_drawings.get_child_at_index(index)
self.flowbox_drawings.insert(drawing, index)
# Remove deleted ones
deleted = [d for d in self.known_drawings if d not in config.drawings]
for d in deleted:
child = self.flowbox_drawings.get_child_at_index(0)
while child is not None:
if child.get_child().timestamp == d['timestamp']:
self.flowbox_drawings.remove(child)
self.known_drawings.remove(d)
self.notification_delete_undo.deleted_drawing = d['timestamp']
self.overlay_undo.set_reveal_child(True)
break
child = self.flowbox_drawings.get_child_at_index(0)
@GObject.Property
def device(self):
return self._device
@device.setter
def device(self, device):
self._device = device
device.connect('notify::connected', self._on_connected)
device.connect('notify::listening', self._on_listening_stopped)
device.connect('notify::sync-state', self._on_sync_state)
device.connect('notify::battery-percent', self._on_battery_changed)
device.connect('notify::battery-state', self._on_battery_changed)
# This is a bit convoluted. We need to cache all drawings
# because Tuhi doesn't have guaranteed storage. So any json that
# comes in from Tuhi, we pass to our config backend to save
# somewhere.
# The config backend adds the json file and emits a notify for the
# json itself (once cached) that we then actually use for SVG
# generation.
device.connect('notify::drawings-available', self._cache_drawings)
Config.load().connect('notify::drawings', self._update_drawings)
self._on_battery_changed(device, None)
self._update_drawings(Config.load(), None)
# We always want to sync on startup
logger.debug(f'{device.name} - starting to listen')
device.start_listening()
@GObject.Property
def name(self):
return "drawing_perspective"
def _on_battery_changed(self, device, pspec):
if device.battery_percent > 80:
fill = 'full'
elif device.battery_percent > 40:
fill = 'good'
elif device.battery_percent > 10:
fill = 'low'
else:
fill = 'caution'
if device.battery_state == 1:
state = '-charging'
elif device.battery_state == 0: # unknown
fill = 'missing'
state = ''
else:
state = ''
batt_icon_name = f'battery-{fill}{state}-symbolic'
_, isize = self.image_battery.get_icon_name()
self.image_battery.set_from_icon_name(batt_icon_name, isize)
self.image_battery.set_tooltip_text(f'{device.battery_percent}%')
def _on_sync_state(self, device, pspec):
if device.sync_state:
self.spinner_sync.start()
else:
self.spinner_sync.stop()
self.last_sync_time = time.time()
self._update_sync_label()
def _update_sync_label(self):
now = time.time()
self.label_last_sync.set_text(f'{relative_time(now - self.last_sync_time)}')
return True
def _on_connected(self, device, pspec):
# Turns out we don't really care about whether the device is
# connected or not, it has little effect on how we work here
pass
def _on_listening_stopped(self, device, pspec):
if not device.listening:
logger.debug(f'{device.name} - listening stopped, restarting')
# We never want to stop listening
device.start_listening()
@Gtk.Template.Callback('_on_undo_close_clicked')
def _on_undo_close_clicked(self, button):
self.overlay_undo.set_reveal_child(False)
@Gtk.Template.Callback('_on_undo_clicked')
def _on_undo_clicked(self, button):
Config.load().undelete_drawing(button.deleted_drawing)
self.overlay_undo.set_reveal_child(False)