71 lines
1.3 KiB
JavaScript
71 lines
1.3 KiB
JavaScript
/**
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* Module for simplifying Indexed DB access
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*/
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(function() {
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"use strict";
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var db = window.indexedDB || window.webkitIndexedDB || window.mozIndexedDB || window.msIndexedDB,
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indexedDB = {};
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//Well, some browsers don't support it yet
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if(typeof db === "undefined")
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{
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return;
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}
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/**
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* Module for simplifying Indexed DB access
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*
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* @namespace
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* @name indexedDB
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* @memberOf $_
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*/
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indexedDB = {
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current_db: null,
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/**
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* Connects to an indexedDB database
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*
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* @memberOf $_.indexedDB
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* @name connect
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* @function
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* @param string dbname
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* @param [int] version
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* @param [function] onupgradeneeded
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*/
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connect: function(dbname, version, onupgradeneeded)
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{
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var request = {};
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version = version || 0;
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// Ask for permission to use db
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request = db.open(dbname, version);
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// Assign onupgradeneeded callback
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if(typeof onupgradeneeded !== "undefined")
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{
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request.onupgradeneeded = onupgradeneeded;
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}
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/**
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* @private
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*/
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request.onerror = function(event)
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{
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console.log("IndexedDB disallowed.");
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};
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/**
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* @private
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*/
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request.onsuccess = function(event)
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{
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// Connect to the specified db
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indexedDB.current_db = request.result;
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};
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}
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};
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$_.ext('indexedDB', indexedDB);
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}()); |