Appdelegate (#14)

* better appdelegate

Author: jibon57

README.md

@@ -89,44 +89,14 @@ If you want to use Paypal & Venmo then you will need to edit your app `Info.plis
 ```
 This scheme must start with your app's Bundle ID and be dedicated to Braintree app switch returns. For example, if the app bundle ID is `com.yourcompany.yourapp`, then your URL scheme could be `com.yourcompany.yourapp.payments` or `com.yourcompany.yourapp.anything`. Above I used `org.nativescript.demo.payments` because app's bundle ID is `org.nativescript.demo` & we will need this value bellow.
 
-Now open your `app.ts` or `main.ts` (for Angular) file under `app` directory. If you are using webpack for angular then it will be `main.aot.ts`. Add following lines before `application.start({ moduleName: "main-page" });` or `platformNativeScriptDynamic().bootstrapModule(AppModule);` or `platformNativeScript().bootstrapModuleFactory(AppModuleNgFactory);`
+Now open your `app.ts` or `main.ts` (for Angular) file. Add following lines before `application.start({ moduleName: "main-page" });` or `platformNativeScriptDynamic().bootstrapModule(AppModule);` (Angular).
 
 ```
 import * as app from "application";
-declare var UIResponder, UIApplicationDelegate, BTAppSwitch;
+import { setupBraintreeAppDeligate } from "nativescript-braintree"
 
 if (app.ios) {
-
-    class MyDelegate extends UIResponder {
-
-        public static ObjCProtocols = [UIApplicationDelegate];
-
-        applicationDidFinishLaunchingWithOptions(application, launchOptions): boolean {
-
-            try {
-                BTAppSwitch.setReturnURLScheme("org.nativescript.demo.payments"); // should be same as CFBundleURLSchemes value.
-                return true;
-            } catch (error) {
-                console.log(error);
-            }
-            return false;
-        }
-
-        applicationOpenURLSourceApplicationAnnotation(application, url, sourceApplication, annotation) {
-
-            try {
-                if (url.scheme == "org.nativescript.demo.payments") {
-                    BTAppSwitch.handleOpenURLSourceApplication(url, sourceApplication);
-                    return true;
-                }
-            } catch (error) {
-                console.log(error);
-            }
-            return false;
-        }
-    }
-    
-    app.ios.delegate = MyDelegate;
+    setupBraintreeAppDeligate("org.nativescript.demo.payments");
 }
 ```
 Example: 

demo/app/app.ts

@@ -1,43 +1,8 @@
 import * as application from 'tns-core-modules/application';
-
-declare var UIResponder, UIApplicationDelegate, BTAppSwitch;
+import { setupBraintreeAppDeligate } from "nativescript-braintree";
 
 if (application.ios) {
-
-    class MyDelegate extends UIResponder {
-
-        public static ObjCProtocols = [UIApplicationDelegate];
-
-        applicationDidFinishLaunchingWithOptions(application, launchOptions): boolean {
-
-            try {
-
-                BTAppSwitch.setReturnURLScheme("org.nativescript.demo.payments");
-                return true;
-
-            } catch (error) {
-                console.log(error);
-            }
-
-            return false;
-        }
-
-        applicationOpenURLSourceApplicationAnnotation(application, url, sourceApplication, annotation) {
-
-            try {
-                if (url.scheme === "org.nativescript.demo.payments") {
-                    BTAppSwitch.handleOpenURLSourceApplication(url, sourceApplication);
-                    return true;
-                }
-            } catch (error) {
-                console.log(error);
-            }
-
-            return false;
-        }
-    }
-
-    application.ios.delegate = MyDelegate;
+    setupBraintreeAppDeligate("org.nativescript.demo.payments");
 }
 
 application.start({ moduleName: "main-page" });

demo/package.json

@@ -1,11 +1,11 @@
 {
   "nativescript": {
     "id": "org.nativescript.demo",
-    "tns-ios": {
-      "version": "4.2.0"
-    },
     "tns-android": {
       "version": "5.0.0"
+    },
+    "tns-ios": {
+      "version": "5.0.0"
     }
   },
   "dependencies": {

src/braintree.ios.ts

@@ -1,7 +1,12 @@
 import { Observable } from 'tns-core-modules/data/observable';
 import * as utils from "tns-core-modules/utils/utils";
+const setupAppDeligate = require('./getappdelegate').setupAppDeligate;
 
-declare var BTDropInRequest, BTDropInController, UIApplication, PPDataCollector;
+declare const BTDropInRequest, BTDropInController, UIApplication, PPDataCollector;
+
+export function setupBraintreeAppDeligate(urlScheme) {
+    setupAppDeligate(urlScheme);
+}
 
 export class Braintree extends Observable {
 

src/getappdelegate.ts

@@ -0,0 +1,90 @@
+import * as application from 'tns-core-modules/application';
+declare const BTAppSwitch;
+
+/**
+ * This file has been copied from nativescript-urlhandler
+ * https://github.com/hypery2k/nativescript-urlhandler/blob/45fa7d83d59897db8f3b5077432a154ae542a69e/src/getappdelegate.ts
+ */
+
+/**
+ * The following function is part of the NativeScript plugin: nativescript-plugin-firebase
+ * It is licensed under the MIT license. The license can be found at the bottom of this file.
+ * Copyright (c) EddyVerbruggen
+ *
+ * This function is an unmodified copy of the original function that can be found at:
+ * https://github.com/EddyVerbruggen/nativescript-plugin-firebase/blob/78f60f55be30b022690722006e1080b1685548fa/src/firebase.ios.ts#L469
+ */
+
+export function getAppDelegate() {
+    // Play nice with other plugins by not completely ignoring anything already added to the appdelegate
+    if (application.ios.delegate === undefined) {
+        class UIApplicationDelegateImpl extends UIResponder implements UIApplicationDelegate {
+            public static ObjCProtocols = [UIApplicationDelegate];
+
+            static new(): UIApplicationDelegateImpl {
+                return <UIApplicationDelegateImpl>super.new();
+            }
+        }
+
+        application.ios.delegate = UIApplicationDelegateImpl;
+    }
+
+    return application.ios.delegate;
+}
+
+// copied from https://github.com/hypery2k/nativescript-urlhandler/blob/45fa7d83d59897db8f3b5077432a154ae542a69e/src/urlhandler.ios.ts#L7
+
+export function enableMultipleOverridesFor(classRef, methodName, nextImplementation) {
+    const currentImplementation = classRef.prototype[methodName];
+    classRef.prototype[methodName] = function () {
+        const result = currentImplementation && currentImplementation.apply(currentImplementation, Array.from(arguments));
+        return nextImplementation.apply(nextImplementation, Array.from(arguments).concat([result]));
+    };
+}
+
+export function setupAppDeligate(urlScheme) {
+
+    let appDelegate = getAppDelegate();
+
+    enableMultipleOverridesFor(appDelegate, 'applicationDidFinishLaunchingWithOptions', function (application, launchOptions) {
+        try {
+            BTAppSwitch.setReturnURLScheme(urlScheme);
+            return true;
+        } catch (error) {
+            console.log(error);
+        }
+        return false;
+    });
+
+    enableMultipleOverridesFor(appDelegate, 'applicationOpenURLSourceApplicationAnnotation', function (application, url, sourceApplication, annotation) {
+        try {
+            if (url.scheme === urlScheme) {
+                BTAppSwitch.handleOpenURLSourceApplication(url, sourceApplication);
+                return true;
+            }
+        } catch (error) {
+            console.log(error);
+        }
+        return false;
+    });
+}
+
+
+/*
+The MIT License (MIT)
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/

src/index.d.ts

@@ -1,4 +1,7 @@
 import { Observable } from 'tns-core-modules/data/observable';
+
+export declare function setupBraintreeAppDeligate(urlScheme: any): void;
+
 export declare class Braintree extends Observable {
   constructor();
   output: {
@@ -12,6 +15,7 @@ export declare class Braintree extends Observable {
   private callIntent(intent);
   private handleResults(requestCode, resultCode, data);
 }
+
 export interface BrainTreeOptions {
   amount: string;
   collectDeviceData?: boolean;

src/package.json

@@ -1,6 +1,6 @@
 {
     "name": "nativescript-braintree",
-    "version": "2.0.2",
+    "version": "2.0.3",
     "description": "Braintree Payments (Drop-in) plugin for NativeScript.",
     "main": "braintree",
     "typings": "index.d.ts",
@@ -54,4 +54,4 @@
     },
     "dependencies": {},
     "bootstrapper": "nativescript-plugin-seed"
-}
+}