browscap_block.module in Browscap Block 7

Browscap Block. Block visibility options for mobile devices using Browscap detection.

File

browscap_block.module

<?php

/**
 * @file Browscap Block.
 * Block visibility options for mobile devices using Browscap detection.
 */

/**
 * Implements hook_form_FORMID_alter().
 * @see block_add_block_form()
 */
function browscap_block_form_block_add_block_form_alter(&$form, &$form_state) {
  browscap_block_form_block_admin_configure_alter($form, $form_state);
}

/**
 * Implements hook_form_FORMID_alter().
 * Adds mobile specific visibility options to block configuration form.
 * @see block_admin_configure()
 */
function browscap_block_form_block_admin_configure_alter(&$form, &$form_state) {
  $result = db_query("SELECT ismobile FROM {browscap_block} WHERE module = :module AND delta = :delta", array(
    ':module' => $form['module']['#value'],
    ':delta' => $form['delta']['#value'],
  ))
    ->fetchCol();
  $default_value = 0;
  if (!empty($result)) {
    $default_value = $result[0];
  }
  $form['visibility']['browscap_block'] = array(
    '#type' => 'fieldset',
    '#title' => t('Is Mobile'),
    '#group' => 'visibility',
    '#weight' => 6,
    '#tree' => true,
    '#attached' => array(
      'js' => array(
        drupal_get_path('module', 'browscap_block') . '/browscap_block.js',
      ),
    ),
  );
  $form['visibility']['browscap_block']['ismobile'] = array(
    '#type' => 'radios',
    '#title' => t('Hide or show this block in mobile devices'),
    '#default_value' => $default_value,
    '#options' => array(
      0 => t('Not restricted'),
      1 => t('Hide in mobile'),
      2 => t('Show in mobile only'),
    ),
  );
  $form['#submit'][] = 'browscap_block_form_block_admin_configure_submit';
}

/**
 * Form submit handler for block configuration form.
 * @see browscap_block_form_block_admin_configure_alter()
 */
function browscap_block_form_block_admin_configure_submit($form, &$form_state) {
  db_delete('browscap_block')
    ->condition('module', $form_state['values']['module'])
    ->condition('delta', $form_state['values']['delta'])
    ->execute();
  $query = db_insert('browscap_block')
    ->fields(array(
    'ismobile',
    'module',
    'delta',
  ));
  $query
    ->values(array(
    'ismobile' => $form_state['values']['browscap_block']['ismobile'],
    'module' => $form_state['values']['module'],
    'delta' => $form_state['values']['delta'],
  ));
  $query
    ->execute();
}

/**
 * Implements hook_block_list_alter().
 * Check the mobile device specific visibilty settings.
 * Remove the block if the visibility conditions are not met.
 */
function browscap_block_block_list_alter(&$blocks) {
  global $theme_key;
  $browser = browscap_get_browser();
  $is_mobile = FALSE;
  if (isset($browser['ismobiledevice'])) {
    if ($browser['ismobiledevice'] == 1 || variable_get('mobile_switch_ismobiledevice', FALSE)) {
      $is_mobile = TRUE;
    }
  }
  $browscap_block = array();
  $result = db_query('SELECT module, delta, ismobile FROM {browscap_block}');
  foreach ($result as $record) {
    $browscap_block[$record->module][$record->delta] = (int) $record->ismobile;
  }
  foreach ($blocks as $key => $block) {
    if (!isset($block->theme) || !isset($block->status) || $block->theme != $theme_key || $block->status != 1) {

      // This block was added by a contrib module, leave it in the list.
      continue;
    }
    foreach ($browscap_block as $module => $delta) {
      if ($module == $block->module) {
        foreach ($delta as $delta_key => $delta_value) {
          if ($delta_key == $block->delta) {
            if ($delta_value == 2 && $is_mobile == FALSE) {
              unset($blocks[$key]);
            }
            if ($delta_value == 1 && $is_mobile == TRUE) {
              unset($blocks[$key]);
            }
          }
        }
      }
    }
  }
}

Functions

Name	Description
browscap_block_block_list_alter	Implements hook_block_list_alter(). Check the mobile device specific visibilty settings. Remove the block if the visibility conditions are not met.
browscap_block_form_block_add_block_form_alter	Implements hook_form_FORMID_alter().
browscap_block_form_block_admin_configure_alter	Implements hook_form_FORMID_alter(). Adds mobile specific visibility options to block configuration form.
browscap_block_form_block_admin_configure_submit	Form submit handler for block configuration form.