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gaia/apps/ringtones/js/null_ringtone.js

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+/* global Promise */
+/* exported NullRingtone */
+'use strict';
+
+/**
+ * Create a ringtone with no audio data backing it.
+ */
+function NullRingtone() {}
+
+NullRingtone.prototype = {
+  /**
+   * @return {String} The localized name of the ringtone. Assumes mozL10n has
+   *   been initialized.
+   */
+  get name() {
+    return navigator.mozL10n.get(this.l10nID);
+  },
+
+  /**
+   * @return {String} The filename of the ringtone (null in this case).
+   */
+  get filename() {
+    return null;
+  },
+
+  /**
+   * @return {String} The l10n ID of the ringtone.
+   */
+  get l10nID() {
+    return 'ringtone-none';
+  },
+
+  /**
+   * @return {String} A unique ID for the ringtone.
+   */
+  get id() {
+    return 'none:none';
+  },
+
+  /**
+   * @return {String} The type of the tone (null in this case).
+   */
+  get type() {
+    return null;
+  },
+
+  /**
+   * @return {String} The URL of the ringtone (null in this case).
+   */
+  get url() {
+    return null;
+  },
+
+  /**
+   * @return {Boolean} Whether this ringtone is shareable (always false).
+   */
+  get shareable() {
+    return false;
+  },
+
+  /**
+   * @return {Boolean} Whether this ringtone is deletable (always false).
+   */
+  get deletable() {
+    return false;
+  },
+
+  /**
+   * Gets a blob for this tone.
+   *
+   * @return {Promise} A promise returning the audio data (always null, since
+   *   this is a null ringtone).
+   */
+  getBlob: function() {
+    return new Promise(function(resolve, reject) {
+      resolve(null);
+    });
+  }
+};