/**
* @return array names of plugins that have been loaded
*/
public function loadTrackerPlugins()
{
$cache = new PersistentCache('PluginsTracker');
if ($cache->has()) {
$pluginsTracker = $cache->get();
} else {
$this->unloadPlugins();
$this->loadActivatedPlugins();
$pluginsTracker = array();
foreach ($this->loadedPlugins as $pluginName => $plugin) {
if ($this->isTrackerPlugin($plugin)) {
$pluginsTracker[] = $pluginName;
}
}
if (!empty($pluginsTracker)) {
$cache->set($pluginsTracker);
}
}
$this->unloadPlugins();
if (empty($pluginsTracker)) {
return array();
}
$pluginsTracker = array_diff($pluginsTracker, Tracker::getPluginsNotToLoad());
$this->doNotLoadAlwaysActivatedPlugins();
$this->loadPlugins($pluginsTracker);
return $pluginsTracker;
}
private static function getCachedDimensionFileChanges()
{
$persistentCache = new PersistentCache('AllDimensionModifyTime');
if ($persistentCache->has()) {
return $persistentCache->get();
}
return array();
}
public function findMultipleComponents($directoryWithinPlugin, $expectedSubclass)
{
$this->cache->setCacheKey('Plugin' . $this->pluginName . $directoryWithinPlugin . $expectedSubclass);
if ($this->cache->has()) {
$components = $this->cache->get();
if ($this->includeComponents($components)) {
return $components;
} else {
// problem including one cached file, refresh cache
}
}
$components = $this->doFindMultipleComponents($directoryWithinPlugin, $expectedSubclass);
$this->cache->set($components);
return $components;
}
private function loadAvailableLanguages()
{
if (!is_null($this->availableLanguageNames)) {
return;
}
$cache = new PersistentCache('availableLanguages');
if ($cache->has()) {
$languagesInfo = $cache->get();
} else {
$filenames = $this->getAvailableLanguages();
$languagesInfo = array();
foreach ($filenames as $filename) {
$data = file_get_contents(PIWIK_INCLUDE_PATH . "/lang/{$filename}.json");
$translations = json_decode($data, true);
$languagesInfo[] = array('code' => $filename, 'name' => $translations['General']['OriginalLanguageName'], 'english_name' => $translations['General']['EnglishLanguageName']);
}
$cache->set($languagesInfo);
}
$this->availableLanguageNames = $languagesInfo;
}