bu.module in Browser update 7

Browser update module.

File

bu.module

<?php

/**
 * @file
 * Browser update module.
 */

/**
 * Loads BU on every page except the listed pages.
 */
define('BU_VISIBILITY_NOTLISTED', 0);

/**
 * Loads BU only on the listed pages.
 */
define('BU_VISIBILITY_LISTED', 1);

/**
 * Implements hook_page_build().
 */
function bu_page_build(&$page) {
  $pages = variable_get('bu_pages', '');

  // Match path if necessary.
  $page_match = TRUE;
  if ($pages) {
    $visibility = variable_get('bu_visibility', BU_VISIBILITY_NOTLISTED);

    // Convert path to lowercase. This allows comparison of the same path
    // with different case. Ex: /Page, /page, /PAGE.
    $pages = drupal_strtolower($pages);

    // Convert the Drupal path to lowercase.
    $path = drupal_strtolower(drupal_get_path_alias(current_path()));

    // Compare the lowercase internal and lowercase path alias (if any).
    $page_match = drupal_match_path($path, $pages);
    if ($path != current_path()) {
      $page_match = $page_match || drupal_match_path(current_path(), $pages);
    }

    // When $block->visibility has a value of 0 (BLOCK_VISIBILITY_NOTLISTED),
    // the block is displayed on all pages except those listed in $block->pages.
    // When set to 1 (BLOCK_VISIBILITY_LISTED), it is displayed only on those
    // pages listed in $block->pages.
    $page_match = !($visibility xor $page_match);
  }
  if ($page_match) {

    // Get the first key of the page array so we can attach to it.
    $first_key = element_children($page);
    $first_key = array_shift($first_key);
    $page[$first_key]['#attached']['js'][] = array(
      'data' => bu_get_settings(),
      'type' => 'setting',
      'scope' => 'header',
    );
    $page[$first_key]['#attached']['js'][] = array(
      'data' => drupal_get_path('module', 'bu') . '/bu.js',
      'type' => 'file',
      'scope' => 'header',
    );
  }
}

/**
 * Implements hook_menu().
 */
function bu_menu() {
  $items = array();
  $items['admin/config/services/bu'] = array(
    'title' => 'Browser update',
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'bu_admin_settings',
    ),
    'access arguments' => array(
      'administer browser-update',
    ),
    'file' => 'bu.admin.inc',
    'type' => MENU_NORMAL_ITEM,
  );
  return $items;
}

/**
 * Implements hook_permission().
 */
function bu_permission() {
  return array(
    'administer browser-update' => array(
      'title' => t('Administer Browser-update'),
      'description' => t('Administer Browser-update settings.'),
    ),
  );
}

/**
 * Returns default settings for browser update.
 */
function bu_get_settings() {
  return array(
    'bu' => array(
      'source' => variable_get('bu_settings_source', '//browser-update.org/update.js'),
      'show_source' => variable_get('bu_settings_show_source', '//browser-update.org/update.show.min.js'),
      'firefox' => variable_get('bu_browsers_firefox', '-4'),
      'ie' => variable_get('bu_browsers_ie', '-6'),
      'opera' => variable_get('bu_browsers_opera', '-4'),
      'safari' => variable_get('bu_browsers_safari', '-2'),
      'chrome' => variable_get('bu_browsers_chrome', '-4'),
      'insecure' => variable_get('bu_settings_insecure', TRUE),
      'unsupported' => variable_get('bu_settings_unsupported', FALSE),
      'mobile' => variable_get('bu_settings_mobile', TRUE),
      'position' => variable_get('bu_settings_position', 'top'),
      'text' => variable_get('bu_settings_text', ''),
      'reminder' => (int) variable_get('bu_settings_reminder', 3),
      'reminder_closed' => (int) variable_get('bu_settings_reminder_closed', 3),
      'debug' => (bool) variable_get('bu_settings_debug', 0),
      'blank' => (bool) variable_get('bu_settings_blank', 0),
      'hide_ignore' => (bool) variable_get('bu_settings_hide_ignore', FALSE),
    ),
  );
}

Functions

Name	Description
bu_get_settings	Returns default settings for browser update.
bu_menu	Implements hook_menu().
bu_page_build	Implements hook_page_build().
bu_permission	Implements hook_permission().

Constants

Name	Description
BU_VISIBILITY_LISTED	Loads BU only on the listed pages.
BU_VISIBILITY_NOTLISTED	Loads BU on every page except the listed pages.