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/shared/js/smart-screen/pin_card.js

@@ -0,0 +1,44 @@
+/* global evt, CardManager */
+
+'use strict';
+
+(function(exports) {
+  function PinCard(options) {
+    options = options || {};
+    this.pinnedChannels = {};
+    this.origin = options.origin || '';
+    this.manifestURL = options.manifestURL || '';
+    this.cardManager = new CardManager();
+    this.cardManager.init('readonly')
+                    .then(this.updatePinnedChannels.bind(this));
+
+    // Update pinnedChannels when card-list changed
+    this.cardManager.on(
+                'cardlist-changed', this.updatePinnedChannels.bind(this));
+  }
+
+  var proto = Object.create(new evt());
+
+  /**
+   * Retrieve latest TV card list from card manager and update pin button
+   * information.
+   */
+  proto.updatePinnedChannels = function pc_updatePinnedChannels() {
+    this.pinnedChannels = {};
+    this.cardManager.getCardList().then(function(cardList) {
+      cardList.forEach(function(card) {
+        var url = card.launchURL;
+        if (url && url.match(new RegExp(this.origin))) {
+          var channelHash = url.substring(url.indexOf('#'));
+          this.pinnedChannels[channelHash] = true;
+          return true;
+        }
+        return false;
+      }.bind(this));
+      this.fire('update-pin-button');
+    }.bind(this));
+  };
+
+  PinCard.prototype = proto;
+  exports.PinCard = PinCard;
+})(window);