[DevTools] Typed events and event listeners.

third_party/WebKit/Source/devtools/front_end/resources/DOMStorageItemsView.js

 /*
  * Copyright (C) 2008 Nokia Inc.  All rights reserved.
  * Copyright (C) 2013 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 24 matching lines @@
 
     this.element.classList.add('storage-view', 'table');
 
     this.deleteButton = new UI.ToolbarButton(Common.UIString('Delete'), 'largeicon-delete');
     this.deleteButton.setVisible(false);
     this.deleteButton.addEventListener('click', this._deleteButtonClicked, this);
 
     this.refreshButton = new UI.ToolbarButton(Common.UIString('Refresh'), 'largeicon-refresh');
     this.refreshButton.addEventListener('click', this._refreshButtonClicked, this);
 
-    this.domStorage.addEventListener(
-        Resources.DOMStorage.Events.DOMStorageItemsCleared, this._domStorageItemsCleared, this);
-    this.domStorage.addEventListener(
-        Resources.DOMStorage.Events.DOMStorageItemRemoved, this._domStorageItemRemoved, this);
-    this.domStorage.addEventListener(Resources.DOMStorage.Events.DOMStorageItemAdded, this._domStorageItemAdded, this);
-    this.domStorage.addEventListener(
-        Resources.DOMStorage.Events.DOMStorageItemUpdated, this._domStorageItemUpdated, this);
+    this.domStorage.addEventListener(Resources.DOMStorage.ItemsClearedEvent, this._domStorageItemsCleared, this);
+    this.domStorage.addEventListener(Resources.DOMStorage.ItemRemovedEvent, this._domStorageItemRemoved, this);
+    this.domStorage.addEventListener(Resources.DOMStorage.ItemAddedEvent, this._domStorageItemAdded, this);
+    this.domStorage.addEventListener(Resources.DOMStorage.ItemUpdatedEvent, this._domStorageItemUpdated, this);
   }
 
   /**
    * @override
    * @return {!Array.<!UI.ToolbarItem>}
    */
   syncToolbarItems() {
     return [this.refreshButton, this.deleteButton];
   }
 
   /**
    * @override
    */
   wasShown() {
     this._update();
   }
 
   /**
    * @override
    */
   willHide() {
     this.deleteButton.setVisible(false);
   }
 
   /**
-   * @param {!Common.Event} event
+   * @param {!Resources.DOMStorage.ItemsClearedEvent} event
    */
   _domStorageItemsCleared(event) {
     if (!this.isShowing() || !this._dataGrid)
       return;
 
     this._dataGrid.rootNode().removeChildren();
     this._dataGrid.addCreationNode(false);
     this.deleteButton.setVisible(false);
-    event.consume(true);
   }
 
   /**
-   * @param {!Common.Event} event
+   * @param {!Resources.DOMStorage.ItemRemovedEvent} event
    */
   _domStorageItemRemoved(event) {
     if (!this.isShowing() || !this._dataGrid)
       return;
 
-    var storageData = event.data;
     var rootNode = this._dataGrid.rootNode();
     var children = rootNode.children;
 
-    event.consume(true);
-
     for (var i = 0; i < children.length; ++i) {
       var childNode = children[i];
-      if (childNode.data.key === storageData.key) {
+      if (childNode.data.key === event.key) {
         rootNode.removeChild(childNode);
         this.deleteButton.setVisible(children.length > 1);
         return;
       }
     }
   }
 
   /**
-   * @param {!Common.Event} event
+   * @param {!Resources.DOMStorage.ItemAddedEvent} event
    */
   _domStorageItemAdded(event) {
     if (!this.isShowing() || !this._dataGrid)
       return;
 
-    var storageData = event.data;
     var rootNode = this._dataGrid.rootNode();
     var children = rootNode.children;
-
-    event.consume(true);
     this.deleteButton.setVisible(true);
 
     for (var i = 0; i < children.length; ++i) {
-      if (children[i].data.key === storageData.key)
+      if (children[i].data.key === event.key)
         return;
     }
 
-    var childNode = new UI.DataGridNode({key: storageData.key, value: storageData.value}, false);
+    var childNode = new UI.DataGridNode({key: event.key, value: event.value}, false);
     rootNode.insertChild(childNode, children.length - 1);
   }
 
   /**
-   * @param {!Common.Event} event
+   * @param {!Resources.DOMStorage.ItemUpdatedEvent} event
    */
   _domStorageItemUpdated(event) {
     if (!this.isShowing() || !this._dataGrid)
       return;
 
-    var storageData = event.data;
     var rootNode = this._dataGrid.rootNode();
     var children = rootNode.children;
 
-    event.consume(true);
-
     var keyFound = false;
     for (var i = 0; i < children.length; ++i) {
       var childNode = children[i];
-      if (childNode.data.key === storageData.key) {
+      if (childNode.data.key === event.key) {
         if (keyFound) {
           rootNode.removeChild(childNode);
           return;
         }
         keyFound = true;
-        if (childNode.data.value !== storageData.value) {
-          childNode.data.value = storageData.value;
+        if (childNode.data.value !== event.newValue) {
+          childNode.data.value = event.newValue;
           childNode.refresh();
           childNode.select();
           childNode.reveal();
         }
         this.deleteButton.setVisible(true);
       }
     }
   }
 
   _update() {
@@ skipping 77 matching lines @@
   }
 
   _deleteCallback(node) {
     if (!node || node.isCreationNode)
       return;
 
     if (this.domStorage)
       this.domStorage.removeItem(node.data.key);
   }
 };