190 lines
6.2 KiB
Python
190 lines
6.2 KiB
Python
# SPDX-License-Identifier: LGPL-3.0-or-later
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# Copyright (C) 2020 Daniel Thompson
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# Copyright (C) 2020 Carlos Gil
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"""Music Player for GadgetBridge
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~~~~~~~~~~~~~
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Music Player Controller:
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- Touch: play/pause
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- Swipe UPDOWN: Volume down/up
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- Swipe LEFTRIGHT: next/previous
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"""
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import wasp
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import icons
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import time
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class MusicPlayerApp(object):
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""" Music Player Controller application.
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.. figure:: res/MusicPlayerApp.png
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:width: 179
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Screenshot of the Music Player application
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"""
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NAME = 'Music'
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ICON = icons.headset
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def __init__(self):
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self._play_icon = icons.play
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self._pause_icon = icons.pause
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self._play_state = False
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self._icon_state = self._play_icon
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self._max_display = 240
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self._icon_size = 72
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self._center_at = int((self._max_display - self._icon_size)/2)
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self._musicstate = 'pause'
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self._artist = ''
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self._track = ''
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self._state_changed = True
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self._track_changed = True
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self._artist_changed = True
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def _send_cmd(self, cmd):
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print('\r')
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for i in range(1):
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for i in range(0, len(cmd), 20):
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print(cmd[i: i + 20], end='')
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time.sleep(0.2)
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print(' ')
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print(' ')
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def _fill_space(self, key):
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if key == 'top':
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wasp.watch.drawable.fill(
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x=0, y=0, w=self._max_display, h=self._center_at)
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elif key == 'mid':
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wasp.watch.drawable.fill(x=self._center_at, y=self._center_at,
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w=self._icon_size, h=self._icon_size)
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elif key == 'down':
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wasp.watch.drawable.fill(x=0, y=self._center_at + self._icon_size,
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w=self._max_display,
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h=self._max_display - (self._center_at + self._icon_size))
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def foreground(self):
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"""Activate the application."""
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state = wasp.system.musicstate.get('state')
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artist = wasp.system.musicinfo.get('artist')
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track = wasp.system.musicinfo.get('track')
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if state:
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self._musicstate = state
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if self._musicstate == 'play':
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self._play_state = True
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self._icon_state = self._pause_icon
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elif self._musicstate == 'pause':
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self._play_state = False
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self._icon_state = self._play_icon
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if artist:
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self._artist = artist
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if track:
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self._track = track
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wasp.watch.drawable.fill()
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self.draw()
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wasp.system.request_tick(1000)
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wasp.system.request_event(wasp.EventMask.SWIPE_UPDOWN |
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wasp.EventMask.SWIPE_LEFTRIGHT |
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wasp.EventMask.TOUCH)
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def background(self):
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"""De-activate the application (without losing state)."""
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self._state_changed = True
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self._track_changed = True
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self._artist_changed = True
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def tick(self, ticks):
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wasp.system.keep_awake()
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music_state_now = wasp.system.musicstate.get('state')
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music_artist_now = wasp.system.musicinfo.get('artist')
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music_track_now = wasp.system.musicinfo.get('track')
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if music_state_now:
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if music_state_now != self._musicstate:
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self._musicstate = music_state_now
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self._state_changed = True
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else:
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self._state_changed = False
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wasp.system.musicstate = {}
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if music_track_now:
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if music_track_now != self._track:
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self._track = music_track_now
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self._track_changed = True
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else:
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self._track_changed = False
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if music_artist_now:
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if music_artist_now != self._artist:
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self._artist = music_artist_now
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self._artist_changed = True
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else:
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self._artist_changed = False
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wasp.system.musicinfo = {}
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self._update()
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def swipe(self, event):
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"""
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Notify the application of a touchscreen swipe event.
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"""
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if event[0] == wasp.EventType.UP:
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self._send_cmd('{"t":"music", "n":"volumeup"} ')
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elif event[0] == wasp.EventType.DOWN:
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self._send_cmd('{"t":"music", "n":"volumedown"} ')
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elif event[0] == wasp.EventType.LEFT:
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self._send_cmd('{"t":"music", "n":"next"} ')
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elif event[0] == wasp.EventType.RIGHT:
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self._send_cmd('{"t":"music", "n":"previous"} ')
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def touch(self, event):
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self._play_state = not self._play_state
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if self._play_state:
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self._musicstate = 'play'
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self._icon_state = self._pause_icon
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self._draw_button()
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self._send_cmd('{"t":"music", "n":"play"} ')
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else:
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self._musicstate = 'pause'
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self._icon_state = self._play_icon
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self._draw_button()
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self._send_cmd('{"t":"music", "n":"pause"} ')
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def draw(self):
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"""Redraw the display from scratch."""
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self._draw()
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def _draw(self):
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"""Redraw the updated zones."""
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if self._state_changed:
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self._draw_button()
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if self._track_changed:
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self._draw_label(self._track, 24 + 144)
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if self._artist_changed:
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self._draw_label(self._artist, 12)
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def _draw_button(self):
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"""Redraw player button"""
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self._fill_space('mid')
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wasp.watch.drawable.blit(self._icon_state, self._center_at,
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self._center_at)
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def _draw_label(self, label, pos):
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"""Redraw label info"""
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if label:
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draw = wasp.watch.drawable
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chunks = draw.wrap(label, 240)
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self._fill_space(pos)
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for i in range(len(chunks)-1):
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sub = label[chunks[i]:chunks[i+1]].rstrip()
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draw.string(sub, 0, pos + 24 * i, 240)
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def _update(self):
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if self._musicstate == 'play':
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self._play_state = True
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self._icon_state = self._pause_icon
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elif self._musicstate == 'pause':
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self._play_state = False
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self._icon_state = self._play_icon
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self._draw()
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def update(self):
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pass
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