mirror of
https://github.com/kovidgoyal/calibre.git
synced 2026-05-30 02:32:33 -04:00
Kovid Goyal
70 lines
2.8 KiB
Plaintext
70 lines
2.8 KiB
Plaintext
# vim:fileencoding=utf-8
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# License: GPL v3 Copyright: 2015, Kovid Goyal <kovid at kovidgoyal.net>
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from __python__ import hash_literals
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from gettext import gettext as _
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import initialize # noqa: unused-import
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from ajax import ajax, console_print, set_default_timeout
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from autoreload import create_auto_reload_watcher
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from book_list.globals import main_js
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from book_list.main import main
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from read_book.iframe import init
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is_running_in_iframe = False # Changed before script is loaded in the iframe
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autoreload_enabled = False
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asked_appcache_update = False
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AUTO_UPDATE_THRESHOLD = 1000 # millisecs
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if is_running_in_iframe:
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init()
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else:
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start_time = window.performance.now()
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on_appcache_ready = def ():
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nonlocal asked_appcache_update
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if asked_appcache_update:
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return
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if window.applicationCache.status is window.applicationCache.UPDATEREADY:
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asked_appcache_update = True
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try:
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window.applicationCache.swapCache()
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time_since_start = window.performance.now() - start_time
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if time_since_start <= AUTO_UPDATE_THRESHOLD or autoreload_enabled or window.confirm(_(
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'The calibre web application has been updated. Do you want reload the site?')):
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window.location.reload()
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except Exception as e:
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# For some reason swapCache occasionally fails even though status is UPDATEREADY
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print('WARNING: failed to swap applicationCache')
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console.log(e)
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window.applicationCache.addEventListener('updateready', on_appcache_ready)
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if window.applicationCache.status is window.applicationCache.UPDATEREADY:
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on_appcache_ready()
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script = document.currentScript or document.scripts[0]
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main_js(script.textContent)
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script.parentNode.removeChild(script) # save some memory
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script = undefined
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# We wait for all page elements to load, since this is a single page app
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# with a largely empty starting document, we can use this to preload any resources
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# we know are going to be needed immediately.
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window.addEventListener('load', main)
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ajax('ajax-setup', def(end_type, xhr, event):
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nonlocal autoreload_enabled, print
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if end_type is 'load':
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try:
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data = JSON.parse(xhr.responseText)
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except:
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return
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tim = data.ajax_timeout
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if not isNaN(tim) and tim > 0:
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set_default_timeout(tim)
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port = data.auto_reload_port
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if not isNaN(port) and port > 0:
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autoreload_enabled = True
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create_auto_reload_watcher(port)
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if data.allow_console_print:
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print = console_print
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).send() # We must bypass cache as otherwise we could get stale info
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