IndexedDB interface for WMEPIE Photo Viewer tool
Dieses Skript sollte nicht direkt installiert werden. Es handelt sich hier um eine Bibliothek für andere Skripte, welche über folgenden Befehl in den Metadaten eines Skriptes eingebunden wird // @require https://update.greasyfork.org/scripts/375202/651025/Photo%20Viewer%20DB%20Interface.js
// ==UserScript==
// @name Photo Viewer DB Interface
// @namespace https://greasyfork.org/en/users/166843-wazedev
// @version 2018.12.05.01
// @description IndexedDB interface for WMEPIE Photo Viewer tool
// @author WazeDev
// @include /^https:\/\/(www|beta)\.waze\.com\/(?!user\/)(.{2,6}\/)?editor\/?.*$/
// @license GNU GPLv3
// @grant none
// ==/UserScript==
(function() {
'use strict';
var pvdb;
function getDB() {
if (!pvdb) {
pvdb= new Promise(function(resolve, reject) {
var openreq = indexedDB.open('WMEPIEPhotoViewer', 1);
openreq.onerror = function() {
reject(openreq.error);
};
openreq.onupgradeneeded = function() {
// First time setup: create an empty object store
//openreq.result.createObjectStore(dbName, { keyPath: "placeID" });
if(!openreq.result.objectStoreNames.contains("Places")) {
openreq.result.createObjectStore("Places", { keyPath: "placeID" });
}
};
openreq.onsuccess = function() {
resolve(openreq.result);
};
});
}
return pvdb;
}
function withStore(storeName, type, callback) {
return getDB().then(function(pvdb) {
return new Promise(function(resolve, reject) {
var transaction = pvdb.transaction(storeName, type);
transaction.oncomplete = function() {
resolve();
};
transaction.onerror = function() {
reject(transaction.error);
};
callback(transaction.objectStore(storeName));
});
});
}
var idbPVKeyval = {
get: function(storeName, key) {
var req;
return withStore(storeName, 'readonly', function(store) {
req = store.get(key);
}).then(function() {
return req.result;
});
},
set: function(storeName, value) {
return withStore(storeName, 'readwrite', function(store) {
store.put(value);
});
},
delete: function(storeName, key) {
return withStore(storeName, 'readwrite', function(store) {
store.delete(key);
});
},
clear: function(storeName) {
return withStore(storeName, 'readwrite', function(store) {
store.clear();
});
},
keys: function(storeName) {
var keys = [];
return withStore(storeName, 'readonly', function(store) {
// This would be store.getAllKeys(), but it isn't supported by Edge or Safari.
// And openKeyCursor isn't supported by Safari.
(store.openKeyCursor || store.openCursor).call(store).onsuccess = function() {
if (!this.result) return;
keys.push(this.result.key);
this.result.continue();
};
}).then(function() {
return keys;
});
}
};
if (typeof module != 'undefined' && module.exports) {
module.exports = idbPVKeyval ;
} else if (typeof define === 'function' && define.amd) {
define('idbPVKeyval ', [], function() {
return idbPVKeyval ;
});
} else {
self.idbPVKeyval = idbPVKeyval ;
}
}());