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uBlock/platform/chromium/vapi-common.js

122 lines
3.6 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) {
// https://bugs.chromium.org/p/project-zero/issues/detail?id=1225&desc=6#c10
if ( !self.vAPI || self.vAPI.uBO !== true ) {
self.vAPI = { uBO: true };
}
var vAPI = self.vAPI;
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'));
/******************************************************************************/
vAPI.closePopup = function() {
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);
/******************************************************************************/