<?php
// Sky by Adaptivethemes.com


/**
 * Override or insert variables into the html template.
 */
function sky_preprocess_html(&$vars) {
  global $theme_key;

  $theme_name = 'sky';

  // Load the media queries styles
  $media_queries_css = array(
    $theme_name . '.responsive.style.css',
    $theme_name . '.responsive.gpanels.css'
  );
  load_subtheme_media_queries($media_queries_css, $theme_name);

  // Add a class for the active color scheme
  if (module_exists('color')) {
    $class = check_plain(get_color_scheme_name($theme_key));
    $vars['classes_array'][] = 'color-scheme-' . drupal_html_class($class);
  }

  // Add class for the active theme
  $vars['classes_array'][] = drupal_html_class($theme_key);

  // Browser sniff and add a class, unreliable but quite useful
  $vars['classes_array'][] = css_browser_selector();

  // Add theme settings classes
  $settings_array = array(
    'font_size',
    'box_shadows',
    'body_background',
    'menu_bullets',
    'content_corner_radius',
    'tabs_corner_radius',
    'image_alignment',
  );
  foreach ($settings_array as $setting) {
    $vars['classes_array'][] = theme_get_setting($setting);
  }

  // Fonts
  $fonts = array(
    'bf'  => 'base_font',
    'snf' => 'site_name_font',
    'ssf' => 'site_slogan_font',
    'ptf' => 'page_title_font',
    'ntf' => 'node_title_font',
    'ctf' => 'comment_title_font',
    'btf' => 'block_title_font'
  );
  $families = get_font_families($fonts, $theme_key);
  if (!empty($families)) {
    foreach ($families as $family) {
      $vars['classes_array'][] = $family;
    }
  }

  // Headings styles
  if (theme_get_setting('headings_styles_caps') == 1) {
    $vars['classes_array'][] = 'hs-caps';
  }
  if (theme_get_setting('headings_styles_weight') == 1) {
    $vars['classes_array'][] = 'hs-fwn';
  }
  if (theme_get_setting('headings_styles_shadow') == 1) {
    $vars['classes_array'][] = 'hs-ts';
  }
}

/**
 * Hook into the color module.
 */
function sky_process_html(&$vars) {
  if (module_exists('color')) {
    _color_html_alter($vars);
  }
}
function sky_process_page(&$vars) {
  if (module_exists('color')) {
    _color_page_alter($vars);
  }
}

/**
 * Override or insert variables into the block template.
 */
function sky_preprocess_block(&$vars) {
  if ($vars['block']->module == 'superfish' || $vars['block']->module == 'nice_menu') {
    $vars['content_attributes_array']['class'][] = 'clearfix';
  }
  if (!$vars['block']->subject) {
    $vars['content_attributes_array']['class'][] = 'no-title';
  }
  if ($vars['block']->region == 'menu_bar' || $vars['block']->region == 'top_menu') {
    $vars['title_attributes_array']['class'][] = 'element-invisible';
  }
}

/**
 * Override or insert variables into the field template.
 */
function sky_preprocess_field(&$vars) {
  $element = $vars['element'];
  $vars['classes_array'][] = 'view-mode-' . $element['#view_mode'];
  $vars['image_caption_teaser'] = FALSE;
  $vars['image_caption_full'] = FALSE;
  if (theme_get_setting('image_caption_teaser') == 1) {
    $vars['image_caption_teaser'] = TRUE;
  }
  if (theme_get_setting('image_caption_full') == 1) {
    $vars['image_caption_full'] = TRUE;
  }
  $vars['field_view_mode'] = '';
  $vars['field_view_mode'] = $element['#view_mode'];
}


function sky_html_head_alter(&$head_elements) {
  foreach ($head_elements as $key => $element) {
    if (isset($element['#attributes']['rel']) && $element['#attributes']['rel'] == 'shortlink') {
      unset($head_elements[$key]);
    }
  }

foreach ($head_elements as $key => $element) {
    if (isset($element['#attributes']['name']) && $element['#attributes']['name'] == 'generator') {
      unset($head_elements[$key]);
    }
  }

foreach ($head_elements as $key => $element) {
    if (isset($element['#attributes']['rel']) && $element['#attributes']['rel'] == 'canonical') {
      unset($head_elements[$key]);
    }
  }

}