Publish Vulpes Preview 15 sources for desktop, Android and Tundra

Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.

gaia/dev_apps/uitest/js/UI/canvas.js

@@ -0,0 +1,59 @@
+'use strict';
+
+var CanvasTests = {
+
+  get drawButton() {
+    delete this.drawButton;
+    return this.drawButton = document.getElementById('button-draw');
+  },
+
+  get toggleHiddenButton() {
+    delete this.toggleHiddenButton;
+    return this.toggleHiddenButton =
+      document.getElementById('button-toggle-hidden');
+  },
+
+  get canvas() {
+    delete this.canvas;
+    return this.canvas = document.getElementById('canvas');
+  },
+
+  get hiddenStatus() {
+    delete this.hiddenStatus;
+    return this.hiddenStatus = document.getElementById('hidden-status');
+  },
+
+  init: function ct_init() {
+    this.hiddenStatus.innerHTML =
+      'hidden = ' +
+      this.canvas.classList.contains('hidden');
+
+    this.drawButton.addEventListener('click', this.draw.bind(this));
+    this.toggleHiddenButton.addEventListener('click',
+      this.toggleShowHide.bind(this));
+  },
+
+  draw: function ct_draw() {
+    // var element = document.getElementById('canvas');
+    var context = this.canvas.getContext('2d');
+    var image = new Image();
+    var path = '../../style/images/canardpc.jpg';
+    image.src = path;
+    var self = this;
+    image.onload = function() {
+      var w = image.width;
+      var h = image.height;
+      context.drawImage(image, 0, 0, w, h, 0, 0, w, h);
+    };
+  },
+
+  toggleShowHide: function ct_toggleShowHide() {
+    this.canvas.classList.toggle('hidden');
+    var status = this.canvas.classList.contains('hidden');
+    this.hiddenStatus.innerHTML = 'hidden = ' + status;
+  }
+};
+
+window.addEventListener('DOMContentLoaded', function() {
+  CanvasTests.init();
+});