b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
110 lines
3.2 KiB
JavaScript
Executable file
110 lines
3.2 KiB
JavaScript
Executable file
'use strict';
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(function(exports) {
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const DB_NAME = 'home-metadata';
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const DB_ORDER_STORE = 'order';
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const DB_ICON_STORE = 'icon';
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const DB_VERSION = 1;
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function AppsMetadata() {}
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AppsMetadata.prototype = {
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db: null,
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init: function() {
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return new Promise((resolve, reject) => {
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var req = window.indexedDB.open(DB_NAME, DB_VERSION);
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req.onupgradeneeded = this.upgradeSchema;
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req.onsuccess = (e) => {
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this.db = e.target.result;
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resolve();
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};
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req.onerror = (e) => {
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console.error('Error opening homescreen metadata db', e);
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reject(e);
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};
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});
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},
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upgradeSchema: function(e) {
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var db = e.target.result;
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var fromVersion = e.oldVersion;
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if (fromVersion < 1) {
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var store = db.createObjectStore(DB_ORDER_STORE, { keyPath: 'id' });
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store.createIndex('order', 'order', { unique: false });
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store = db.createObjectStore(DB_ICON_STORE, { keyPath: 'id' });
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store.createIndex('icon', 'icon', { unique: false });
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}
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},
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set: function(data) {
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return new Promise((resolve, reject) => {
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var txn = this.db.transaction([DB_ORDER_STORE, DB_ICON_STORE],
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'readwrite');
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for (var entry of data) {
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if (!entry.id) {
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continue;
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}
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if (typeof entry.order !== 'undefined') {
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txn.objectStore(DB_ORDER_STORE).
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put({ id: entry.id, order: entry.order });
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}
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if (typeof entry.icon !== 'undefined') {
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txn.objectStore(DB_ICON_STORE).
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put({ id: entry.id, icon: entry.icon });
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}
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}
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txn.oncomplete = resolve;
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txn.onerror = reject;
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});
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},
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remove: function(id) {
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return new Promise((resolve, reject) => {
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var txn = this.db.transaction([DB_ORDER_STORE, DB_ICON_STORE],
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'readwrite');
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txn.objectStore(DB_ORDER_STORE).delete(id);
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txn.objectStore(DB_ICON_STORE).delete(id);
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txn.oncomplete = resolve;
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txn.onerror = reject;
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});
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},
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getAll: function(onResult) {
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return new Promise((resolve, reject) => {
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var txn = this.db.transaction([DB_ORDER_STORE, DB_ICON_STORE],
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'readonly');
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var orderStore = txn.objectStore(DB_ORDER_STORE);
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var iconStore = txn.objectStore(DB_ICON_STORE);
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var cursor = orderStore.index('order').openCursor();
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var results = [];
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cursor.onsuccess = e => {
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var cursor = e.target.result;
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if (cursor) {
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var result = cursor.value;
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var iconRequest = iconStore.get(result.id);
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iconRequest.onsuccess = function(result, e) {
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if (e.target.result) {
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result.icon = e.target.result.icon;
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}
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results.push(result);
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if (onResult) {
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onResult(result);
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}
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}.bind(this, result);
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cursor.continue();
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}
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};
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txn.oncomplete = () => {
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resolve(results);
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};
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});
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}
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};
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exports.AppsMetadata = AppsMetadata;
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}(window));
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