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gaia/shared/elements/gaia_grid/js/items/divider.js

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+'use strict';
+/* global GaiaGrid */
+
+(function(exports) {
+
+  /**
+   * Represents a single divider on the homepage.
+   */
+  function Divider() {
+    this.detail = {
+      type: 'divider',
+      index: 0
+    };
+  }
+
+  Divider.prototype = {
+
+    __proto__: GaiaGrid.GridItem.prototype,
+
+    x: 0,
+    y: 0,
+
+    headerHeight: 0,
+
+    /**
+     * Height in pixels of each divider.
+     */
+    get pixelHeight() {
+      return (this.grid.layout.cols > 3) ? 50 : 60;
+    },
+
+    /**
+     * Width in grid units for each divider.
+     */
+    gridWidth: 4,
+
+    scale: 1,
+
+    /**
+     * Renders the icon to the grid component.
+     */
+    render: function() {
+      // Generate the content if we need to
+      if (!this.element) {
+        // Divider is a <section> and the rest of items are <div> containers
+        // in order to hide the last divider via :last-of-type pseudo-class
+        var divider = this.element = document.createElement('section');
+        divider.className = 'divider';
+
+        var span = document.createElement('span');
+        span.className = 'spacer';
+        divider.appendChild(span);
+
+        this.grid.element.appendChild(divider);
+      }
+
+      this.element.style.transform = 'translate(0 ,' + this.y + 'px)';
+    },
+
+    remove: function() {
+      if (this.element) {
+        this.element.parentNode.removeChild(this.element);
+      }
+    },
+
+    isDraggable: function() {
+      return false;
+    }
+  };
+
+  exports.GaiaGrid.Divider = Divider;
+
+}(window));