function advagg_advagg_scan_for_changes

Implements hook_advagg_scan_for_changes().

Used to see if the responsive files inside an adaptive theme has changed.

Related topics

1 call to advagg_advagg_scan_for_changes()

advagg_advagg_changed_files in ./advagg.advagg.inc

Implements hook_advagg_changed_files().

File

./advagg.advagg.inc, line 525

Code

function advagg_advagg_scan_for_changes($filename, $save_changes = FALSE) {
    // Skip if this file is not a css file.
    $ext = strtolower(pathinfo($filename, PATHINFO_EXTENSION));
    if ($ext !== 'css') {
        return FALSE;
    }
    // Skip if the file is not in an adaptive theme.
    $adaptivethemes = array();
    $themes = list_themes();
    foreach ($themes as $theme_name => $theme_values) {
        $path = variable_get('theme_' . $theme_name . '_files_directory', '');
        if (!empty($path) && strpos($filename, $path) !== FALSE) {
            $adaptivethemes[$theme_name] = $path;
        }
    }
    if (empty($adaptivethemes)) {
        return;
    }
    $file_changed = array();
    foreach ($adaptivethemes as $theme_name => $path) {
        // Set up some paths we use to get and save files.
        $path_to_responsive_css = drupal_get_path('theme', $theme_name) . '/css/';
        $path_to_panels_css = drupal_get_path('theme', 'adaptivetheme') . '/layouts/css/';
        // Map files to generated file names.
        $file_map = array(
            "{$path}/{$theme_name}.responsive.styles.css" => array(
                $path_to_responsive_css . 'responsive.custom.css',
                $path_to_responsive_css . 'responsive.smalltouch.portrait.css',
                $path_to_responsive_css . 'responsive.smartphone.portrait.css',
                $path_to_responsive_css . 'responsive.smalltouch.landscape.css',
                $path_to_responsive_css . 'responsive.smartphone.landscape.css',
                $path_to_responsive_css . 'responsive.tablet.portrait.css',
                $path_to_responsive_css . 'responsive.tablet.landscape.css',
                $path_to_responsive_css . 'responsive.desktop.css',
            ),
            "{$path}/{$theme_name}.lt-ie8.layout.css" => array(
                $path_to_panels_css . 'ie_defaults.css',
            ),
        );
        if (!isset($file_map[$filename])) {
            continue;
        }
        // See if anything has changed.
        $changes = advagg_detect_subfile_changes($filename, $file_map[$filename], 'adaptivetheme', $save_changes);
        if (!empty($changes)) {
            $file_changed[$path] = $changes;
        }
    }
    return $file_changed;
}