uBlock/platform/chromium/vapi-common.js

131 lines
4.1 KiB
JavaScript

/*******************************************************************************
uBlock Origin - a browser extension to block requests.
Copyright (C) 2014-2017 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);
/******************************************************************************/
// 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 (
self.browser instanceof Object &&
typeof self.browser.runtime.getBrowserInfo === 'function'
) {
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.
// This can throw in some contexts (like in devtool).
try {
vAPI.localStorage = window.localStorage;
} catch (ex) {
}
// https://github.com/gorhill/uBlock/issues/2824
// Use a dummy localStorage if for some reasons it's not available.
if ( vAPI.localStorage instanceof Object === false ) {
vAPI.localStorage = {
length: 0,
clear: function() {
},
getItem: function() {
return null;
},
key: function() {
throw new RangeError();
},
removeItem: function() {
},
setItem: function() {
}
};
}
/******************************************************************************/
})(this);
/******************************************************************************/