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/**
* State Manager
* Belongs to Decentraleyes.
*
* @author Thomas Rientjes
* @since 2017-03-10
* @license MPL 2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/.
*/
'use strict';
/**
* State Manager
*/
var stateManager = {};
/**
* Public Methods
*/
stateManager.registerInjection = function (tabIdentifier, injection) {
let injectionIdentifier, registeredTab, injectionCount;
injectionIdentifier = injection.source + injection.path + injection.version;
registeredTab = stateManager.tabs[tabIdentifier];
registeredTab.injections[injectionIdentifier] = injection;
injectionCount = Object.keys(registeredTab.injections).length || 0;
if (injectionCount > 0) {
chrome.browserAction.setBadgeText({
tabId: tabIdentifier,
text: injectionCount.toString()
});
} else {
chrome.browserAction.setBadgeText({
tabId: tabIdentifier,
text: ''
});
}
};
/**
* Private Methods
*/
stateManager._createTab = function (tab) {
let tabIdentifier = tab.id;
stateManager.tabs[tabIdentifier] = {
'injections': {}
};
chrome.webRequest.onBeforeRequest.addListener(function (requestDetails) {
return interceptor.handleRequest(requestDetails, tabIdentifier, tab);
}, { 'urls': ['*://*/*'], 'tabId': tabIdentifier }, ['blocking']);
};
stateManager._removeTab = function (tabIdentifier) {
delete stateManager.tabs[tabIdentifier];
};
stateManager._updateTab = function (details) {
let tabIdentifier = details.tabId;
if (tabIdentifier !== -1) {
if (stateManager.tabs[tabIdentifier]) {
stateManager.tabs[tabIdentifier].injections = {};
}
}
};
/**
* Initializations
*/
stateManager.tabs = {};
chrome.tabs.query({}, function (tabs) {
tabs.forEach(stateManager._createTab);
});
/**
* Event Handlers
*/
chrome.tabs.onCreated.addListener(stateManager._createTab);
chrome.tabs.onRemoved.addListener(stateManager._removeTab);
chrome.webRequest.onBeforeRequest.addListener(stateManager._updateTab, {
urls: ['<all_urls>'], types: ['main_frame']
});