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gaia/apps/ringtones/js/actions_menu.js

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+/* global CustomDialog, MozActivity, Toaster */
+'use strict';
+
+/**
+ * Create an actions menu to allow managing individual tones. Tones can be
+ * shared with other apps or (in the case of user-created tones) deleted from
+ * the system.
+ *
+ * @param {Node} menuElement The DOM node for the menu.
+ */
+function ActionsMenu(menuElement) {
+  this._menuElement = menuElement;
+
+  function getButton(action) {
+    return menuElement.querySelector('button[data-action="' + action + '"]');
+  }
+
+  this._shareButton = getButton('share');
+  this._deleteButton = getButton('delete');
+
+  this._shareButton.addEventListener('click', this._share.bind(this));
+  this._deleteButton.addEventListener('click', this._delete.bind(this));
+}
+
+ActionsMenu.prototype = {
+  /**
+   * Open the actions menu.
+   *
+   * @param {Tone} tone The tone to perform actions on.
+   * @param {Array} inUseAs An array representing the places using this tone.
+   * @param {Function} callback A callback to call when the actions menu is
+   *   closed. Takes one argument: the action that was performed.
+   */
+  open: function(tone, inUseAs, callback) {
+    if (!this._menuElement.hidden) {
+      throw new Error('actions menu is already open');
+    }
+
+    if (tone.shareable || tone.deletable) {
+      this._tone = tone;
+      this._callback = callback;
+      this._menuElement.hidden = false;
+      this._inUseAs = inUseAs;
+
+      this._shareButton.hidden = !tone.shareable;
+      this._shareButton.dataset.l10nId = 'actions-share-' + tone.type;
+      this._deleteButton.hidden = !tone.deletable;
+      this._deleteButton.dataset.l10nId = 'actions-delete-' + tone.type;
+    }
+    return !this._menuElement.hidden;
+  },
+
+  /**
+   * Handle clicking the "share" button.
+   *
+   * @param {Event} event The event.
+   */
+  _share: function(event) {
+    var self = this;
+    this._menuElement.hide();
+
+    this._tone.getBlob().then(function(blob) {
+      var activity = new MozActivity({
+        name: 'share',
+        data: {
+          type: 'audio/*',
+          // Make sure we can't share with ourselves!
+          __bug1015513_hide_from_self__: true,
+          number: 1,
+          blobs: [blob],
+          filenames: [self._tone.filename],
+          metadata: [{
+            title: self._tone.name
+          }]
+        }
+      });
+      activity.onerror = function(e) {
+        console.warn('share activity error:', activity.error.name);
+        self._finish('share');
+      };
+      activity.onsuccess = function(e) {
+        self._finish('share');
+      };
+    });
+  },
+
+  /**
+   * Handle clicking the "delete" button.
+   *
+   * @param {Event} event The event.
+   */
+  _delete: function(event) {
+    var self = this;
+    this._menuElement.hide();
+
+    var messageKey = 'delete-message';
+    if (self._inUseAs.length) {
+      messageKey += '-default-' + self._inUseAs[0];
+    }
+
+    var cancelButton = {
+      title: 'delete-cancel',
+      callback: function() {
+        CustomDialog.hide();
+        self._finish('cancel');
+      }
+    };
+    var confirmButton = {
+      title: 'delete-confirm',
+      callback: function() {
+        CustomDialog.hide();
+        Toaster.showToast({
+          messageL10nId: 'deleted-' + self._tone.type,
+          latency: 3000,
+          useTransition: true
+        });
+        self._tone.remove();
+        self._finish('delete');
+      }
+    };
+    CustomDialog.show(
+      'delete-title',
+      {id: messageKey, args: {tone: self._tone.name}},
+      cancelButton, confirmButton
+    );
+  },
+
+  /**
+   * Fire our callback function and clean up the internal state of the menu.
+   *
+   * @param {String} command The command that was selected.
+   */
+  _finish: function(command) {
+    if (this._callback) {
+      this._callback(command);
+    }
+    this._tone = null;
+    this._callback = null;
+    this._inUseAs = null;
+  }
+};