epicyon/webapp_pwa.py

167 lines
4.7 KiB
Python

__filename__ = "pwa.py"
__author__ = "Bob Mottram"
__license__ = "AGPL3+"
__version__ = "1.5.0"
__maintainer__ = "Bob Mottram"
__email__ = "bob@libreserver.org"
__status__ = "Production"
__module_group__ = "Web Interface"
import os
from utils import remove_html
def _get_variable_from_css(css_str: str, variable: str) -> str:
"""Gets a variable value from the css file text
"""
if '--' + variable + ':' not in css_str:
return None
value = css_str.split('--' + variable + ':')[1]
if ';' in value:
value = value.split(';')[0].strip()
value = remove_html(value)
if ' ' in value:
value = None
return value
def get_pwa_theme_colors(css_filename: str) -> (str, str):
"""Gets the theme/statusbar color for progressive web apps
"""
default_pwa_theme_color = 'apple-mobile-web-app-status-bar-style'
pwa_theme_color = default_pwa_theme_color
default_pwa_theme_background_color = 'black-translucent'
pwa_theme_background_color = default_pwa_theme_background_color
if not os.path.isfile(css_filename):
return pwa_theme_color, pwa_theme_background_color
css_str = ''
with open(css_filename, 'r', encoding='utf-8') as fp_css:
css_str = fp_css.read()
pwa_theme_color = \
_get_variable_from_css(css_str, 'pwa-theme-color')
if not pwa_theme_color:
pwa_theme_color = default_pwa_theme_color
pwa_theme_background_color = \
_get_variable_from_css(css_str, 'pwa-theme-background-color')
if not pwa_theme_background_color:
pwa_theme_background_color = default_pwa_theme_background_color
return pwa_theme_color, pwa_theme_background_color
def pwa_manifest(base_dir: str) -> {}:
"""Returns progressive web app manifest
"""
css_filename = base_dir + '/epicyon.css'
pwa_theme_color, pwa_theme_background_color = \
get_pwa_theme_colors(css_filename)
app1 = "https://f-droid.org/en/packages/eu.siacs.conversations"
app2 = "https://staging.f-droid.org/en/packages/im.vector.app"
app3 = \
"https://f-droid.org/en/packages/" + \
"com.stoutner.privacybrowser.standard"
return {
"name": "Epicyon",
"short_name": "Epicyon",
"start_url": "/index.html",
"display": "standalone",
"background_color": pwa_theme_background_color,
"theme_color": pwa_theme_color,
"orientation": "portrait-primary",
"categories": ["microblog", "fediverse", "activitypub"],
"screenshots": [
{
"src": "/mobile.jpg",
"sizes": "418x851",
"type": "image/jpeg"
},
{
"src": "/mobile_person.jpg",
"sizes": "429x860",
"type": "image/jpeg"
},
{
"src": "/mobile_search.jpg",
"sizes": "422x861",
"type": "image/jpeg"
}
],
"icons": [
{
"src": "/logo72.png",
"type": "image/png",
"sizes": "72x72"
},
{
"src": "/logo96.png",
"type": "image/png",
"sizes": "96x96"
},
{
"src": "/logo128.png",
"type": "image/png",
"sizes": "128x128"
},
{
"src": "/logo144.png",
"type": "image/png",
"sizes": "144x144"
},
{
"src": "/logo150.png",
"type": "image/png",
"sizes": "150x150"
},
{
"src": "/apple-touch-icon.png",
"type": "image/png",
"sizes": "180x180"
},
{
"src": "/logo192.png",
"type": "image/png",
"sizes": "192x192"
},
{
"src": "/logo256.png",
"type": "image/png",
"sizes": "256x256"
},
{
"src": "/logo512.png",
"type": "image/png",
"sizes": "512x512"
}
],
"related_applications": [
{
"platform": "fdroid",
"url": app1
},
{
"platform": "fdroid",
"url": app2
},
{
"platform": "fdroid",
"url": app3
}
],
"protocol_handlers": [
{
"protocol": "web+ap",
"url": "?target=%s"
},
{
"protocol": "web+epicyon",
"url": "?target=%s"
}
]
}