From 37b32b5670fedae13ae24e3124cb0f202b7b6045 Mon Sep 17 00:00:00 2001
From: Ethan Arbuckle <ea@sourcetheorem.com>
Date: Sat, 30 Mar 2024 23:47:29 -0700
Subject: [PATCH] Fix crashes. App scenes are rendering on the Carplay scene

---
 src/CRCarplayWindow.mm   | 21 ++++++++++++++++++---
 src/hooks/CarPlay.xm     |  2 +-
 src/hooks/SpringBoard.xm | 11 ++++++++++-
 3 files changed, 29 insertions(+), 5 deletions(-)

diff --git a/src/CRCarplayWindow.mm b/src/CRCarplayWindow.mm
index 6296116..a09c87a 100644
--- a/src/CRCarplayWindow.mm
+++ b/src/CRCarplayWindow.mm
@@ -274,7 +274,14 @@ - (void)setupLiveAppView
     id mainScreenIdentity = objcInvoke(displaySceneManager, @"displayIdentity");
     assertGotExpectedObject(mainScreenIdentity, @"FBSDisplayIdentity");
 
-    id sceneIdentity = objcInvoke_2(displaySceneManager, @"_sceneIdentityForApplication:createPrimaryIfRequired:", self.application, 1);
+    id sceneIdentity = nil;
+    if ([displaySceneManager respondsToSelector:NSSelectorFromString(@"_sceneIdentityForApplication:createPrimaryIfRequired:")]) {
+        sceneIdentity = objcInvoke_2(displaySceneManager, @"_sceneIdentityForApplication:createPrimaryIfRequired:", self.application, 1);
+    }
+    else if ([displaySceneManager respondsToSelector:NSSelectorFromString(@"_sceneIdentityForApplication:createPrimaryIfRequired:sceneSessionRole:")]) {
+        sceneIdentity = objcInvoke_3(displaySceneManager, @"_sceneIdentityForApplication:createPrimaryIfRequired:sceneSessionRole:", self.application, 1, @"UIWindowSceneSessionRoleApplication");
+    }
+
     assertGotExpectedObject(sceneIdentity, @"FBSSceneIdentity");
 
     id sceneHandleRequest = objcInvoke_3(objc_getClass("SBApplicationSceneHandleRequest"), @"defaultRequestForApplication:sceneIdentity:displayIdentity:", self.application, sceneIdentity, mainScreenIdentity);
@@ -349,7 +356,14 @@ - (void)setupLiveAppView
 
     // Create a scene monitor to watch for the app process dying. The carplay window will dismiss itself.
     // todo: this returns nil if the app process isn't running..
-    NSString *sceneID = objcInvoke_1(sceneLayoutManager, @"primarySceneIdentifierForBundleIdentifier:", appIdentifier);
+    NSString *sceneID = nil;
+    if ([sceneLayoutManager respondsToSelector:NSSelectorFromString(@"primarySceneIdentifierForBundleIdentifier:")]) {
+        sceneID = objcInvoke_1(sceneLayoutManager, @"primarySceneIdentifierForBundleIdentifier:", appIdentifier);
+    }
+    else if ([sceneLayoutManager respondsToSelector:NSSelectorFromString(@"primarySceneIdentifierForBundleIdentifier:sceneSessionRole:")]) {
+        sceneID = objcInvoke_2(sceneLayoutManager, @"primarySceneIdentifierForBundleIdentifier:sceneSessionRole:", appIdentifier, @"UIWindowSceneSessionRoleApplication");
+    }
+
     self.sceneMonitor = objcInvoke_1([objc_getClass("FBSceneMonitor") alloc], @"initWithSceneID:", sceneID);
     objcInvoke_1(self.sceneMonitor, @"setDelegate:", self);
 }
@@ -463,7 +477,7 @@ - (void)dismiss
                 id sceneSettings = objcInvoke(appScene, @"mutableSettings");
                 objcInvoke_1(sceneSettings, @"setBackgrounded:", 1);
                 objcInvoke_1(sceneSettings, @"setForeground:", 0);
-                ((void (*)(id, SEL, id, id, void *))objc_msgSend)(appScene, NSSelectorFromString(@"updateSettings:withTransitionContext:completion:"), sceneSettings, nil, 0);
+              //  ((void (*)(id, SEL, id, id))objc_msgSend)(appScene, NSSelectorFromString(@"updateSettings:withTransitionContext:"), sceneSettings, nil);
             }
         }
 
@@ -568,6 +582,7 @@ - (void)resizeAppViewForOrientation:(int)desiredOrientation fullscreen:(BOOL)ful
         xOrigin = (carplayDisplaySize.width / 2) - (scaledDisplayWidth / 2);
     }
 
+    NSLog(@"Scaling app view to %.2fx%.2f (target size: %.2fx%.2f)", widthScale, heightScale, carplayDisplaySize.width, carplayDisplaySize.height);
     [hostingContentView setTransform:CGAffineTransformMakeScale(widthScale, heightScale)];
     [[self.appViewController view] setFrame:CGRectMake(xOrigin, [[self.appViewController view] frame].origin.y, carplayDisplaySize.width, carplayDisplaySize.height)];
 
diff --git a/src/hooks/CarPlay.xm b/src/hooks/CarPlay.xm
index 5d1dd98..c30d13f 100644
--- a/src/hooks/CarPlay.xm
+++ b/src/hooks/CarPlay.xm
@@ -98,7 +98,7 @@ Include all User applications on the CarPlay dashboard
         id appState = objcInvoke(appProxy, @"appState");
         if (objcInvokeT(appState, @"isValid", int) == 1)
         {
-            objcInvoke_2(allAppsLibrary, @"addApplicationProxy:withOverrideURL:", appProxy, 0);
+         //   objcInvoke_2(allAppsLibrary, @"addApplicationProxy:withOverrideURL:", appProxy, 0);
         }
     }
 
diff --git a/src/hooks/SpringBoard.xm b/src/hooks/SpringBoard.xm
index b6d1970..47631cb 100644
--- a/src/hooks/SpringBoard.xm
+++ b/src/hooks/SpringBoard.xm
@@ -183,8 +183,9 @@ happen while the device is in a faceup/facedown orientation.
 Called when something is trying to change a scene's settings (including sending it to background/foreground).
 Use this to prevent the App from going to sleep when other applications are launched on the main screen.
 */
-- (void)updateSettings:(id)arg1 withTransitionContext:(id)arg2 completion:(void *)arg3
+- (void)_updateSettings:(id)arg1 withTransitionContext:(id)arg2 completion:(void *)arg3
 {
+    LOG_LIFECYCLE_EVENT;
     id sceneClient = objcInvoke(self, @"client");
     if ([sceneClient respondsToSelector:NSSelectorFromString(@"process")])
     {
@@ -202,6 +203,14 @@ Use this to prevent the App from going to sleep when other applications are laun
     %orig;
 }
 
+/*
+ The scene's client getter method was removed in iOS 15 but the ivar is still accessible
+*/ 
+%new
+- (id)client {
+    return getIvar(self, @"_client");
+}
+
 %end
 
 %hook SBMainSwitcherViewController