def generate_web_manifest(manifest, start_url):
"""Generates a progressive web app manifest based on a Chrome App manifest.
Args:
manifest: Chrome App manifest dictionary.
start_url: URL of start page.
Returns:
Web manifest JSON dictionary.
"""
web_manifest = {}
web_manifest['name'] = manifest['name']
web_manifest['short_name'] = manifest.get('short_name', manifest['name'])
web_manifest['lang'] = manifest.get('default_locale', 'en')
web_manifest['splash_screens'] = []
# TODO(alger): Guess display mode from chrome.app.window.create calls
web_manifest['display'] = 'minimal-ui'
web_manifest['orientation'] = 'any'
# TODO(alger): Guess start_url from chrome.app.window.create calls
web_manifest['start_url'] = start_url
# TODO(alger): Guess background/theme colour from the main page's CSS.
web_manifest['theme_color'] = 'white'
web_manifest['background_color'] = 'white'
web_manifest['related_applications'] = []
web_manifest['prefer_related_applications'] = False
web_manifest['icons'] = []
if 'icons' in manifest:
for icon_size in manifest['icons']:
web_manifest['icons'].append({
'src': manifest['icons'][icon_size],
'sizes': '{0}x{0}'.format(icon_size)
})
# TODO(alger): I've only looked at some of the manifest members here; probably
# a bad idea to ignore the ones that don't copy across. Should give a warning.
return web_manifest
def generate_web_manifest(manifest, start_url):
"""Generates a progressive web app manifest based on a Chrome App manifest.
Args:
manifest: Chrome App manifest dictionary.
start_url: URL of start page.
Returns:
Web manifest JSON dictionary.
"""
web_manifest = {}
web_manifest['name'] = manifest['name']
web_manifest['short_name'] = manifest.get('short_name', manifest['name'])
web_manifest['lang'] = manifest.get('default_locale', 'en')
web_manifest['splash_screens'] = []
# TODO(alger): Guess display mode from chrome.app.window.create calls
web_manifest['display'] = 'minimal-ui'
web_manifest['orientation'] = 'any'
# TODO(alger): Guess start_url from chrome.app.window.create calls
web_manifest['start_url'] = start_url
# TODO(alger): Guess background/theme colour from the main page's CSS.
web_manifest['theme_color'] = 'white'
web_manifest['background_color'] = 'white'
web_manifest['related_applications'] = []
web_manifest['prefer_related_applications'] = False
web_manifest['icons'] = []
if 'icons' in manifest:
for icon_size in manifest['icons']:
web_manifest['icons'].append({
'src': manifest['icons'][icon_size],
'sizes': '{0}x{0}'.format(icon_size)
})
# TODO(alger): I've only looked at some of the manifest members here; probably
# a bad idea to ignore the ones that don't copy across. Should give a warning.
return web_manifest
def test_get(self):
"""Tests that get returns the correct app manifest."""
minimal_path = os.path.join(os.path.dirname(ROOT_DIR), 'tests',
'test_app_minimal')
manifest = chrome_app_manifest.get(minimal_path)
self.assertEqual(
manifest, {
'app': {
'background': {
'scripts': ['a_background_script.js']
}
},
'manifest_version': 2,
'name': 'Minimal App',
'version': '1.0.0'
})
def test_get(self):
"""Tests that get returns the correct app manifest."""
minimal_path = os.path.join(
os.path.dirname(ROOT_DIR), 'tests', 'test_app_minimal')
manifest = chrome_app_manifest.get(minimal_path)
self.assertEqual(manifest,
{
'app': {
'background': {
'scripts': ['a_background_script.js']
}
},
'manifest_version': 2,
'name': 'Minimal App',
'version': '1.0.0'
})