<?php
/**
 * @file
 * Install, update and uninstall functions for the AddThis module.
 */

// We need some constant values from the AddThis class.
include_once('classes/AddThis.php');

/**
 * Implements hook_field_schema().
 */
function addthis_field_schema($field) {
  $schema = array();
  if ($field['type'] == AddThis::FIELD_TYPE) {
    $columns = array(
      'value' => array(
        'type' => 'varchar',
        'length' => $field['settings']['max_length'],
        'not null' => FALSE,
      ),
    );
    $schema = array(
      'columns' => $columns,
      'indexes' => array(),
      'foreign keys' => array(),
    );
  }
  return $schema;
}

/**
 * Implements hook_uninstall().
 */
function addthis_uninstall() {
  variable_del(AddThis::ADDRESSBOOK_ENABLED_KEY);
  variable_del(AddThis::BLOCK_WIDGET_TYPE_KEY);
  variable_del(AddThis::BOOKMARK_URL_KEY);
  variable_del(AddThis::CLICKBACK_TRACKING_ENABLED_KEY);
  variable_del(AddThis::CLICK_TO_OPEN_COMPACT_MENU_ENABLED_KEY);
  variable_del(AddThis::CO_BRAND_KEY);
  variable_del(AddThis::COMPLIANT_508_KEY);
  variable_del(AddThis::CUSTOM_CONFIGURATION_CODE_ENABLED_KEY);
  variable_del(AddThis::CUSTOM_CONFIGURATION_CODE_KEY);
  variable_del(AddThis::ENABLED_SERVICES_KEY);
  variable_del(AddThis::EXCLUDED_SERVICES_KEY);
  variable_del(AddThis::OPEN_WINDOWS_ENABLED_KEY);
  variable_del(AddThis::PROFILE_ID_KEY);
  variable_del(AddThis::SERVICES_CSS_URL_KEY);
  variable_del(AddThis::SERVICES_JSON_URL_KEY);
  variable_del(AddThis::STANDARD_CSS_ENABLED_KEY);
  variable_del(AddThis::UI_DELAY_KEY);
  variable_del(AddThis::UI_HEADER_BACKGROUND_COLOR_KEY);
  variable_del(AddThis::UI_HEADER_COLOR_KEY);
  variable_del(AddThis::WIDGET_JS_URL_KEY);
  variable_del(AddThis::WIDGET_JS_LOAD_DOMREADY);
  variable_del(AddThis::WIDGET_JS_LOAD_ASYNC);
}

/**
 * Remove old WIDGET_JS_ASYNC variable.
 */
function addthis_update_7401() {
  variable_del('addthis_widget_async');
}

/**
 * Remove old addthis_widget_load_type and transform it into new values.
 *
 * Transform variable in settings for domready and async.
 * If value = async set domready TRUE and async TRUE.
 * If value = domready set domready TRUE and async FALSE.
 * If value = include set domready FALSE and async FALSE.
 */
function addthis_update_7402() {
  $load_type = variable_get('addthis_widget_load_type', NULL);

  switch ($load_type) {
    case 'async':
      variable_set(AddThis::WIDGET_JS_LOAD_DOMREADY, TRUE);
      variable_set(AddThis::WIDGET_JS_LOAD_ASYNC, TRUE);
      break;
    case 'domready':
      variable_set(AddThis::WIDGET_JS_LOAD_DOMREADY, TRUE);
      variable_set(AddThis::WIDGET_JS_LOAD_ASYNC, FALSE);
      break;
    case 'include':
      variable_set(AddThis::WIDGET_JS_LOAD_DOMREADY, FALSE);
      variable_set(AddThis::WIDGET_JS_LOAD_ASYNC, FALSE);
      break;
    default:
      variable_set(AddThis::WIDGET_JS_LOAD_DOMREADY, TRUE);
      variable_set(AddThis::WIDGET_JS_LOAD_ASYNC, FALSE);
      break;
  }

  variable_del('addthis_widget_load_type');
}