backported #10468 to 2.x

core/Plugin/Manager.php

@@ -415,6 +415,14 @@ class Manager
         if ($this->isPluginInFilesystem($pluginName)) {
             return false;
         }
+
+        /**
+         * Event triggered after a plugin has been uninstalled.
+         *
+         * @param string $pluginName The plugin that has been uninstalled.
+         */
+        Piwik::postEvent('PluginManager.pluginUninstalled', array($pluginName));
+
         return true;
     }
 
@@ -1076,6 +1084,15 @@ class Manager
             $updater = new Updater();
             $updater->markComponentSuccessfullyUpdated($plugin->getPluginName(), $plugin->getVersion());
             $saveConfig = true;
+
+            /**
+             * Event triggered after a new plugin has been installed.
+             *
+             * Note: Might be triggered more than once if the config file is not writable
+             *
+             * @param string $pluginName The plugin that has been installed.
+             */
+            Piwik::postEvent('PluginManager.pluginInstalled', array($pluginName));
         }
 
         if ($saveConfig) {

core/Updater.php

@@ -272,6 +272,35 @@ class Updater
 
         $this->executeListenerHook('onComponentUpdateFinished', array($componentName, $updatedVersion, $warningMessages));
 
+        /**
+         * Event triggered after a component has been updated.
+         *
+         * Can be used to handle stuff that should be done after a component was updated
+         *
+         * **Example**
+         *
+         *     Piwik::addAction('Updater.componentUpdated', function ($componentName, $updatedVersion, $warningMessages) {
+         *          $mail = new Mail();
+         *          $mail->setDefaultFromPiwik();
+         *          $mail->addTo('test@example.org');
+         *          $mail->setSubject('Component was updated);
+         *          $message = sprintf(
+         *              'Component %1$s has been updated to version %2$s',
+         *              $componentName, $updatedVersion
+         *          );
+         *          if (!empty($warningMessages)) {
+         *              $message .= "Some warnings occured:\n" . implode("\n", $warningMessages);
+         *          }
+         *          $mail->setBodyText($message);
+         *          $mail->send();
+         *     });
+         *
+         * @param string $componentName 'core', or plugin name
+         * @param string $updatedVersion version updated to
+         * @param array  $warningMessages warnings occurred during update
+         */
+        Piwik::postEvent('Updater.componentUpdated', array($componentName, $updatedVersion, $warningMessages));
+
         return $warningMessages;
     }
 

plugins/CustomPiwikJs/CustomPiwikJs.php

@@ -17,9 +17,12 @@ class CustomPiwikJs extends Plugin
     {
         return array(
             'CoreUpdater.update.end' => 'updateTracker',
-            'PluginManager.pluginDeactivated' => 'updateTracker',
-            'PluginManager.pluginActivated' => 'updateTracker',
             'CronArchive.end' => 'updateTracker',
+            'PluginManager.pluginActivated' => 'updateTracker',
+            'PluginManager.pluginDeactivated' => 'updateTracker',
+            'PluginManager.pluginInstalled' => 'updateTracker',
+            'PluginManager.pluginUninstalled' => 'updateTracker',
+            'Updater.componentUpdated' => 'updateTracker',
         );
     }