Mon 21 Jul 22:43:21 CEST 2025

js/ui/cordova/plugins/cordova-plugin-background-mode/src/ios/APPMethodMagic.m

@@ -0,0 +1,105 @@
+/*
+  Copyright 2013-2017 appPlant GmbH
+
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements.  See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership.  The ASF licenses this file
+  to you under the Apache License, Version 2.0 (the
+  "License"); you may not use this file except in compliance
+  with the License.  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing,
+  software distributed under the License is distributed on an
+  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+  KIND, either express or implied.  See the License for the
+  specific language governing permissions and limitations
+  under the License.
+*/
+
+/**
+ * Code extracted from
+ * - http://defagos.github.io/yet_another_article_about_method_swizzling/
+ * - https://gist.github.com/defagos/1312fec96b48540efa5c
+ */
+
+#import "APPMethodMagic.h"
+#import <objc/runtime.h>
+#import <objc/message.h>
+
+/**
+ * Swizzle class method specified by class and selector
+ * through the provided method implementation.
+ *
+ * @param [ Class ] clazz The class containing the method.
+ * @param [ SEL ] selector The selector of the method.
+ * @param [ IMP ] newImpl The new implementation of the method.
+ *
+ * @return [ IMP ] The previous implementation of the method.
+ */
+IMP class_swizzleClassSelector(Class clazz, SEL selector, IMP newImpl)
+{
+    return class_swizzleSelector(object_getClass(clazz), selector, newImpl);
+}
+
+/**
+ * Swizzle class method specified by class and selector
+ * through the provided code block.
+ *
+ * @param [ Class ] clazz The class containing the method.
+ * @param [ SEL ] selector The selector of the method.
+ * @param [ id ] newImplBlock The new implementation of the method.
+ *
+ * @return [ IMP ] The previous implementation of the method.
+ */
+IMP class_swizzleClassSelectorWithBlock(Class clazz, SEL selector, id newImplBlock)
+{
+    IMP newImpl = imp_implementationWithBlock(newImplBlock);
+    return class_swizzleClassSelector(clazz, selector, newImpl);
+}
+
+/**
+ * Swizzle method specified by class and selector
+ * through the provided code block.
+ *
+ * @param [ Class ] clazz The class containing the method.
+ * @param [ SEL ] selector The selector of the method.
+ * @param [ id ] newImplBlock The new implementation of the method.
+ *
+ * @return [ IMP ] The previous implementation of the method.
+ */
+IMP class_swizzleSelectorWithBlock(Class clazz, SEL selector, id newImplBlock)
+{
+    IMP newImpl = imp_implementationWithBlock(newImplBlock);
+    return class_swizzleSelector(clazz, selector, newImpl);
+}
+
+/**
+ * Swizzle method specified by class and selector
+ * through the provided method implementation.
+ *
+ * @param [ Class ] clazz The class containing the method.
+ * @param [ SEL ] selector The selector of the method.
+ * @param [ IMP ] newImpl The new implementation of the method.
+ *
+ * @return [ IMP ] The previous implementation of the method.
+ */
+IMP class_swizzleSelector(Class clazz, SEL selector, IMP newImpl)
+{
+    Method method     = class_getInstanceMethod(clazz, selector);
+    const char *types = method_getTypeEncoding(method);
+
+    class_addMethod(clazz, selector, imp_implementationWithBlock(^(__unsafe_unretained id self, va_list argp) {
+        struct objc_super super = {
+            .receiver = self,
+            .super_class = class_getSuperclass(clazz)
+        };
+
+        id (*objc_msgSendSuper_typed)(struct objc_super*, SEL, va_list) = (void*)&objc_msgSendSuper;
+        return objc_msgSendSuper_typed(&super, selector, argp);
+    }), types);
+
+    return class_replaceMethod(clazz, selector, newImpl, types);
+}