gPass/chrome_addon/compat.js

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/*
Copyright (C) 2013-2020 Grégory Soutadé
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This file is part of gPass.
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gPass 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.
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gPass 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.
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You should have received a copy of the GNU General Public License
along with gPass. If not, see <http://www.gnu.org/licenses/>.
*/
function get_preference(key)
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{
// Inspired from https://github.com/akiomik/chrome-storage-promise/
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var promise = new Promise((resolve, reject) => {
chrome.storage.local.get(key, (items) => {
let err = chrome.runtime.lastError;
if (err) {
reject(err);
} else {
resolve(items);
}
});
})
.then(function (pref) {
if (!pref.hasOwnProperty(key))
{
if (default_preferences.hasOwnProperty(key))
return default_preferences[key];
else
return null;
}
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return pref[key];
});
return promise;
}
function set_preference(key, value)
{
pref = {[key]:value};
chrome.storage.local.set(pref, function (result) {
if (chrome.runtime.lastError)
alert(chrome.runtime.lastError);
});
}
function delete_preference(key)
{
chrome.storage.local.remove(key);
}
function send_tab_message(tab_id, parameters, callback)
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{
chrome.tabs.sendMessage(tab_id, parameters, {}, callback);
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}