/**
 * Copyright © Dave Perrett and Malcolm Jarvis
 *
 * This file is licensed under the GPLv2.
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 */

function Dialog() {
  this.initialize();
}

Dialog.prototype = {
  /*
   * Constructor
   */
  initialize: function () {
    /*
     * Private Interface Variables
     */
    this._container = $('#dialog_container');
    this._heading = $('#dialog_heading');
    this._message = $('#dialog_message');
    this._cancel_button = $('#dialog_cancel_button');
    this._confirm_button = $('#dialog_confirm_button');
    this._callback = null;

    // Observe the buttons
    this._cancel_button.bind(
      'click',
      {
        dialog: this,
      },
      this.onCancelClicked
    );
    this._confirm_button.bind(
      'click',
      {
        dialog: this,
      },
      this.onConfirmClicked
    );
  },

  /*--------------------------------------------
   *
   *  E V E N T   F U N C T I O N S
   *
   *--------------------------------------------*/

  executeCallback: function () {
    this._callback();
    dialog.hideDialog();
  },

  hideDialog: function () {
    $('body.dialog_showing').removeClass('dialog_showing');
    this._container.hide();
    transmission.hideMobileAddressbar();
    transmission.updateButtonStates();
  },

  isVisible: function () {
    return this._container.is(':visible');
  },

  onCancelClicked: function (event) {
    event.data.dialog.hideDialog();
  },

  onConfirmClicked: function (event) {
    event.data.dialog.executeCallback();
  },

  /*--------------------------------------------
   *
   *  I N T E R F A C E   F U N C T I O N S
   *
   *--------------------------------------------*/

  /*
   * Display a confirm dialog
   */
  confirm: function (
    dialog_heading,
    dialog_message,
    confirm_button_label,
    callback,
    cancel_button_label
  ) {
    if (!isMobileDevice) {
      $('.dialog_container').hide();
    }
    setTextContent(this._heading[0], dialog_heading);
    setTextContent(this._message[0], dialog_message);
    setTextContent(this._cancel_button[0], cancel_button_label || 'Cancel');
    setTextContent(this._confirm_button[0], confirm_button_label);
    this._confirm_button.show();
    this._callback = callback;
    $('body').addClass('dialog_showing');
    this._container.show();
    transmission.updateButtonStates();
    if (isMobileDevice) {
      transmission.hideMobileAddressbar();
    }
  },

  /*
   * Display an alert dialog
   */
  alert: function (dialog_heading, dialog_message, cancel_button_label) {
    if (!isMobileDevice) {
      $('.dialog_container').hide();
    }
    setTextContent(this._heading[0], dialog_heading);
    setTextContent(this._message[0], dialog_message);
    // jquery::hide() doesn't work here in Safari for some odd reason
    this._confirm_button.css('display', 'none');
    setTextContent(this._cancel_button[0], cancel_button_label);
    // Just in case
    $('#upload_container').hide();
    $('#move_container').hide();
    $('body').addClass('dialog_showing');
    transmission.updateButtonStates();
    if (isMobileDevice) {
      transmission.hideMobileAddressbar();
    }
    this._container.show();
  },
};