more type hints

lib/private/files/node/root.php

@@ -94,7 +94,7 @@ class Root extends Folder implements IRootFolder {
 	 * @param string $method
 	 * @param callable $callback
 	 */
-	public function listen($scope, $method, $callback) {
+	public function listen($scope, $method, callable $callback) {
 		$this->emitter->listen($scope, $method, $callback);
 	}
 
@@ -103,7 +103,7 @@ class Root extends Folder implements IRootFolder {
 	 * @param string $method optional
 	 * @param callable $callback optional
 	 */
-	public function removeListener($scope = null, $method = null, $callback = null) {
+	public function removeListener($scope = null, $method = null, callable $callback = null) {
 		$this->emitter->removeListener($scope, $method, $callback);
 	}
 

lib/private/hooks/emitter.php

@@ -37,7 +37,7 @@ interface Emitter {
 	 * @param callable $callback
 	 * @return void
 	 */
-	public function listen($scope, $method, $callback);
+	public function listen($scope, $method, callable $callback);
 
 	/**
 	 * @param string $scope optional
@@ -45,5 +45,5 @@ interface Emitter {
 	 * @param callable $callback optional
 	 * @return void
 	 */
-	public function removeListener($scope = null, $method = null, $callback = null);
+	public function removeListener($scope = null, $method = null, callable $callback = null);
 }

lib/private/hooks/forwardingemitter.php

@@ -40,7 +40,7 @@ abstract class ForwardingEmitter extends BasicEmitter {
 	 * @param string $method
 	 * @param callable $callback
 	 */
-	public function listen($scope, $method, $callback) {
+	public function listen($scope, $method, callable $callback) {
 		parent::listen($scope, $method, $callback);
 		foreach ($this->forwardEmitters as $emitter) {
 			$emitter->listen($scope, $method, $callback);
@@ -50,7 +50,7 @@ abstract class ForwardingEmitter extends BasicEmitter {
 	/**
 	 * @param \OC\Hooks\Emitter $emitter
 	 */
-	protected function forward($emitter) {
+	protected function forward(Emitter $emitter) {
 		$this->forwardEmitters[] = $emitter;
 
 		//forward all previously connected hooks

lib/private/hooks/legacyemitter.php

@@ -23,7 +23,7 @@
 namespace OC\Hooks;
 
 abstract class LegacyEmitter extends BasicEmitter {
-	protected function emit($scope, $method, $arguments = array()) {
+	protected function emit($scope, $method, array $arguments = array()) {
 		\OC_Hook::emit($scope, $method, $arguments);
 		parent::emit($scope, $method, $arguments);
 	}

lib/private/hooks/publicemitter.php

@@ -28,7 +28,7 @@ class PublicEmitter extends BasicEmitter {
 	 * @param string $method
 	 * @param array $arguments optional
 	 */
-	public function emit($scope, $method, $arguments = array()) {
+	public function emit($scope, $method, array $arguments = array()) {
 		parent::emit($scope, $method, $arguments);
 	}
 }

lib/private/user/session.php

@@ -81,7 +81,7 @@ class Session implements IUserSession, Emitter {
 	 * @param string $method
 	 * @param callable $callback
 	 */
-	public function listen($scope, $method, $callback) {
+	public function listen($scope, $method, callable $callback) {
 		$this->manager->listen($scope, $method, $callback);
 	}
 
@@ -90,7 +90,7 @@ class Session implements IUserSession, Emitter {
 	 * @param string $method optional
 	 * @param callable $callback optional
 	 */
-	public function removeListener($scope = null, $method = null, $callback = null) {
+	public function removeListener($scope = null, $method = null, callable $callback = null) {
 		$this->manager->removeListener($scope, $method, $callback);
 	}
 

tests/lib/hooks/forwardingemitter.php

@@ -17,7 +17,7 @@ class DummyForwardingEmitter extends \OC\Hooks\ForwardingEmitter {
 	/**
 	 * @param \OC\Hooks\Emitter $emitter
 	 */
-	public function forward($emitter) {
+	public function forward(\OC\Hooks\Emitter $emitter) {
 		parent::forward($emitter);
 	}
 }