1 files changed, 58 insertions, 0 deletions
diff --git a/devtools/client/projecteditor/lib/stores/base.js b/devtools/client/projecteditor/lib/stores/base.js
new file mode 100644
index 000000000..ef9495c77
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+++ b/devtools/client/projecteditor/lib/stores/base.js
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+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const { Cc, Ci, Cu } = require("chrome");
+const { Class } = require("sdk/core/heritage");
+const { EventTarget } = require("sdk/event/target");
+const { emit } = require("sdk/event/core");
+const promise = require("promise");
+
+/**
+ * A Store object maintains a collection of Resource objects stored in a tree.
+ *
+ * The Store class should not be instantiated directly.  Instead, you should
+ * use a class extending it - right now this is only a LocalStore.
+ *
+ * Events:
+ * This object emits the 'resource-added' and 'resource-removed' events.
+ */
+var Store = Class({
+  extends: EventTarget,
+
+  /**
+   * Should be called during initialize() of a subclass.
+   */
+  initStore: function () {
+    this.resources = new Map();
+  },
+
+  refresh: function () {
+    return promise.resolve();
+  },
+
+  /**
+   * Return a sorted Array of all Resources in the Store
+   */
+  allResources: function () {
+    var resources = [];
+    function addResource(resource) {
+      resources.push(resource);
+      resource.childrenSorted.forEach(addResource);
+    }
+    addResource(this.root);
+    return resources;
+  },
+
+  notifyAdd: function (resource) {
+    emit(this, "resource-added", resource);
+  },
+
+  notifyRemove: function (resource) {
+    emit(this, "resource-removed", resource);
+  }
+});
+
+exports.Store = Store;