uBlock/platform/chromium/vapi-common.js

214 lines
6.8 KiB
JavaScript

/*******************************************************************************
uBlock Origin - a browser extension to block requests.
Copyright (C) 2014-2018 The uBlock Origin authors
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 3 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.
You should have received a copy of the GNU General Public License
along with this program. If not, see {http://www.gnu.org/licenses/}.
Home: https://github.com/gorhill/uBlock
*/
// For background page or non-background pages
'use strict';
/******************************************************************************/
/******************************************************************************/
(function(self) {
var chrome = self.chrome;
/******************************************************************************/
vAPI.setTimeout = vAPI.setTimeout || self.setTimeout.bind(self);
/******************************************************************************/
vAPI.webextFlavor = {
major: 0,
soup: new Set()
};
(function() {
var ua = navigator.userAgent,
flavor = vAPI.webextFlavor,
soup = flavor.soup;
var dispatch = function() {
window.dispatchEvent(new CustomEvent('webextFlavor'));
};
// This is always true.
soup.add('ublock').add('webext');
// Whether this is a dev build.
if ( /^\d+\.\d+\.\d+\D/.test(chrome.runtime.getManifest().version) ) {
soup.add('devbuild');
}
if ( /\bMobile\b/.test(ua) ) {
soup.add('mobile');
}
// Asynchronous
var async = self.browser instanceof Object &&
typeof self.browser.runtime.getBrowserInfo === 'function';
if ( async ) {
self.browser.runtime.getBrowserInfo().then(function(info) {
flavor.major = parseInt(info.version, 10) || 0;
soup.add(info.vendor.toLowerCase())
.add(info.name.toLowerCase());
if ( flavor.major >= 53 ) { soup.add('user_stylesheet'); }
if ( flavor.major >= 57 ) { soup.add('html_filtering'); }
dispatch();
});
}
// Synchronous -- order of tests is important
var match;
if ( (match = /\bFirefox\/(\d+)/.exec(ua)) !== null ) {
flavor.major = parseInt(match[1], 10) || 0;
soup.add('mozilla').add('firefox');
if ( flavor.major >= 53 ) { soup.add('user_stylesheet'); }
if ( flavor.major >= 57 ) { soup.add('html_filtering'); }
} else if ( (match = /\bEdge\/(\d+)/.exec(ua)) !== null ) {
flavor.major = parseInt(match[1], 10) || 0;
soup.add('microsoft').add('edge');
} else if ( (match = /\bOPR\/(\d+)/.exec(ua)) !== null ) {
var reEx = /\bChrom(?:e|ium)\/([\d.]+)/;
if ( reEx.test(ua) ) { match = reEx.exec(ua); }
flavor.major = parseInt(match[1], 10) || 0;
soup.add('opera').add('chromium');
} else if ( (match = /\bChromium\/(\d+)/.exec(ua)) !== null ) {
flavor.major = parseInt(match[1], 10) || 0;
soup.add('chromium');
} else if ( (match = /\bChrome\/(\d+)/.exec(ua)) !== null ) {
flavor.major = parseInt(match[1], 10) || 0;
soup.add('google').add('chromium');
} else if ( (match = /\bSafari\/(\d+)/.exec(ua)) !== null ) {
flavor.major = parseInt(match[1], 10) || 0;
soup.add('apple').add('safari');
}
// https://github.com/gorhill/uBlock/issues/3588
if ( soup.has('chromium') && flavor.major >= 66 ) {
soup.add('user_stylesheet');
}
// Don't starve potential listeners
if ( !async ) {
vAPI.setTimeout(dispatch, 97);
}
})();
/******************************************************************************/
// http://www.w3.org/International/questions/qa-scripts#directions
var setScriptDirection = function(language) {
document.body.setAttribute(
'dir',
['ar', 'he', 'fa', 'ps', 'ur'].indexOf(language) !== -1 ? 'rtl' : 'ltr'
);
};
/******************************************************************************/
vAPI.download = function(details) {
if ( !details.url ) {
return;
}
var a = document.createElement('a');
a.href = details.url;
a.setAttribute('download', details.filename || '');
a.setAttribute('type', 'text/plain');
a.dispatchEvent(new MouseEvent('click'));
};
/******************************************************************************/
vAPI.getURL = chrome.runtime.getURL;
/******************************************************************************/
vAPI.i18n = chrome.i18n.getMessage;
setScriptDirection(vAPI.i18n('@@ui_locale'));
/******************************************************************************/
// https://github.com/gorhill/uBlock/issues/3057
// - webNavigation.onCreatedNavigationTarget become broken on Firefox when we
// try to make the popup panel close itself using the original
// `window.open('', '_self').close()`.
vAPI.closePopup = function() {
if ( vAPI.webextFlavor.soup.has('firefox') ) {
window.close();
return;
}
// TODO: try to figure why this was used instead of a plain window.close().
// https://github.com/gorhill/uBlock/commit/b301ac031e0c2e9a99cb6f8953319d44e22f33d2#diff-bc664f26b9c453e0d43a9379e8135c6a
window.open('', '_self').close();
};
/******************************************************************************/
// A localStorage-like object which should be accessible from the
// background page or auxiliary pages.
// This storage is optional, but it is nice to have, for a more polished user
// experience.
// https://github.com/gorhill/uBlock/issues/2824
// Use a dummy localStorage if for some reasons it's not available.
// https://github.com/gorhill/uMatrix/issues/840
// Always use a wrapper to seamlessly handle exceptions
vAPI.localStorage = {
clear: function() {
try {
window.localStorage.clear();
} catch(ex) {
}
},
getItem: function(key) {
try {
return window.localStorage.getItem(key);
} catch(ex) {
}
return null;
},
removeItem: function(key) {
try {
window.localStorage.removeItem(key);
} catch(ex) {
}
},
setItem: function(key, value) {
try {
window.localStorage.setItem(key, value);
} catch(ex) {
}
}
};
/******************************************************************************/
})(this);
/******************************************************************************/