MOBILE-2431 sso: Make SSO work in Inappbrowser v3

config.xml

@@ -104,7 +104,7 @@
     </plugin>
     <plugin name="cordova-plugin-device" spec="1.1.6" />
     <plugin name="cordova-plugin-globalization" spec="1.0.7" />
-    <plugin name="cordova-plugin-inappbrowser" spec="1.7.1" />
+    <plugin name="cordova-plugin-inappbrowser" spec="^3.0.0" />
     <plugin name="cordova-plugin-network-information" spec="1.3.3" />
     <plugin name="cordova-plugin-statusbar" spec="2.2.3" />
     <plugin name="cordova-plugin-whitelist" spec="1.3.2" />

src/providers/utils/utils.ts

@@ -756,17 +756,41 @@ export class CoreUtilsProvider {
         this.iabInstance = this.iab.create(url, '_blank', options);
 
         if (this.appProvider.isDesktop() || this.appProvider.isMobile()) {
+            let loadStopSubscription;
+            const loadStartUrls = [];
+
             // Trigger global events when a url is loaded or the window is closed. This is to make it work like in Ionic 1.
             const loadStartSubscription = this.iabInstance.on('loadstart').subscribe((event) => {
                 // Execute the callback in the Angular zone, so change detection doesn't stop working.
                 this.zone.run(() => {
+                    // Store the last loaded URLs (max 10).
+                    loadStartUrls.push(event.url);
+                    if (loadStartUrls.length > 10) {
+                        loadStartUrls.shift();
+                    }
+
                     this.eventsProvider.trigger(CoreEventsProvider.IAB_LOAD_START, event);
                 });
             });
+
+            if (this.platform.is('android')) {
+                // Load stop is needed with InAppBrowser v3. Custom URL schemes no longer trigger load start, simulate it.
+                loadStopSubscription = this.iabInstance.on('loadstop').subscribe((event) => {
+                    // Execute the callback in the Angular zone, so change detection doesn't stop working.
+                    this.zone.run(() => {
+                        if (loadStartUrls.indexOf(event.url) == -1) {
+                            // The URL was stopped but not started, probably a custom URL scheme.
+                            this.eventsProvider.trigger(CoreEventsProvider.IAB_LOAD_START, event);
+                        }
+                    });
+                });
+            }
+
             const exitSubscription = this.iabInstance.on('exit').subscribe((event) => {
                 // Execute the callback in the Angular zone, so change detection doesn't stop working.
                 this.zone.run(() => {
                     loadStartSubscription.unsubscribe();
+                    loadStopSubscription && loadStopSubscription.unsubscribe();
                     exitSubscription.unsubscribe();
                     this.eventsProvider.trigger(CoreEventsProvider.IAB_EXIT, event);
                 });