add files

assets/wvbrowser_ui/controls_ui/storage.js

@@ -0,0 +1,44 @@
+function handleUpgradeEvent(event) {
+    console.log('Creating DB');
+    let newDB = event.target.result;
+
+    newDB.onerror = function(event) {
+        console.log('Something went wrong');
+        console.log(event);
+    };
+
+    let newFavoritesStore = newDB.createObjectStore('favorites', {
+        keyPath: 'uri'
+    });
+
+    newFavoritesStore.transaction.oncomplete = function(event) {
+        console.log('Object stores created');
+    };
+
+    let newHistoryStore = newDB.createObjectStore('history', {
+        autoIncrement: true
+    });
+
+    newHistoryStore.createIndex('timestamp', 'timestamp', {
+        unique: false
+    });
+
+    newHistoryStore.createIndex('stampedURI', ['uri', 'timestamp'], {
+        unique: false
+    });
+}
+
+function queryDB(query) {
+    let request = window.indexedDB.open('WVBrowser');
+
+    request.onerror = function(event) {
+        console.log('Failed to open database');
+    };
+
+    request.onsuccess = function(event) {
+        let db = event.target.result;
+        query(db);
+    };
+
+    request.onupgradeneeded = handleUpgradeEvent;
+}