iOS: Initial attempt at switching to SceneDelegate (UIScene)

Fixes #20884

CMakeLists.txt

@@ -1340,6 +1340,8 @@ elseif(IOS AND NOT LIBRETRO)
 		ios/main.mm
 		ios/AppDelegate.mm
 		ios/AppDelegate.h
+		ios/SceneDelegate.mm
+		ios/SceneDelegate.h
 		ios/DisplayManager.h
 		ios/DisplayManager.mm
 		ios/Controls.h
@@ -2964,7 +2966,7 @@ endif()
 # packaging and code signing
 if(IOS AND NOT LIBRETRO)
 	if(IOS_APP_STORE)
-		set(DEPLOYMENT_TARGET 12.0)
+		set(DEPLOYMENT_TARGET 13.0)
 	else()
 		set(DEPLOYMENT_TARGET 11.0)
 	endif()

UI/MainScreen.cpp

@@ -1531,7 +1531,7 @@ void LaunchBuyGold(ScreenManager *screenManager) {
 		screenManager->push(new IAPScreen());
 	} else {
 #if PPSSPP_PLATFORM(IOS_APP_STORE)
-		System_LaunchUrl(LaunchUrlType::BROWSER_URL, "https://apps.apple.com/us/app/ppsspp-gold-psp-emulator/id6502287918");
+		System_LaunchUrl(LaunchUrlType::BROWSER_URL, "https://www.ppsspp.org/buygold_ios");
 #elif PPSSPP_PLATFORM(ANDROID)
 		System_LaunchUrl(LaunchUrlType::BROWSER_URL, "market://details?id=org.ppsspp.ppssppgold");
 #else

cmake/Toolchains/ios.cmake

@@ -12,7 +12,7 @@
 # PPSSPP platform flags
 set(MOBILE_DEVICE ON)
 set(USING_GLES2 ON)
-set(IPHONEOS_DEPLOYMENT_TARGET 12.0)
+set(IPHONEOS_DEPLOYMENT_TARGET 13.0)
 add_definitions(
   -DGL_ETC1_RGB8_OES=0
   -U__STRICT_ANSI__

ios/AppDelegate.h

@@ -8,8 +8,7 @@
 
 @property (strong, nonatomic) UIWindow *window;
 @property (strong, nonatomic) UIScreen *screen;
-
-@property (strong, nonatomic) id<PPSSPPViewController> viewController;
+@property (nonatomic, strong) NSDictionary *launchOptions;
 
 - (void)restart:(const char *)args;
 - (BOOL)launchPPSSPP:(int)argc argv:(char**)argv;

ios/AppDelegate.mm

@@ -1,7 +1,5 @@
 #import "AppDelegate.h"
-#import "ViewControllerCommon.h"
-#import "ViewController.h"
-#import "ViewControllerMetal.h"
+#import "SceneDelegate.h"
 #import "iOSCoreAudio.h"
 #import "Common/System/System.h"
 #import "Common/System/NativeApp.h"
@@ -11,6 +9,12 @@
 #import "IAPManager.h"
 
 #import <AVFoundation/AVFoundation.h>
+#import <objc/runtime.h>
+
+// TODO: Unfortunate hack to force link SceneDelegate class.
+// This is necessary because otherwise classes from static libraries aren't loaded.
+// We should move all the iOS code into the main binary directly to avoid this problem.
+__attribute__((used)) static Class _forceLinkSceneDelegate = [SceneDelegate class];
 
 @implementation AppDelegate
 
@@ -77,49 +81,21 @@
 }
 
 -(BOOL) application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
-	int argc = 1;
-	char *argv[5]{};
-	NSURL *nsUrl = [launchOptions objectForKey:UIApplicationLaunchOptionsURLKey];
-
-	if (nsUrl != nullptr && nsUrl.isFileURL) {
-		NSString *nsString = nsUrl.path;
-		const char *string = nsString.UTF8String;
-		argv[argc++] = (char*)string;
+	self.launchOptions = launchOptions;
+	// Make sure SceneDelegate class is loaded
+	Class cls = objc_getClass("SceneDelegate");
+	if (!cls) {
+		NSLog(@"⚠️ SceneDelegate not found via objc_getClass");
+	} else {
+		NSLog(@"✅ SceneDelegate loaded via objc_getClass");
 	}
 
-	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handleAudioSessionInterruption:) name:AVAudioSessionInterruptionNotification object:[AVAudioSession sharedInstance]];
-	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handleMediaServicesWereReset:) name:AVAudioSessionMediaServicesWereResetNotification object:nil];
-
 #if PPSSPP_PLATFORM(IOS_APP_STORE)
 	[IAPManager sharedIAPManager];  // Kick off the IAPManager early.
 #endif  // IOS_APP_STORE
 
-	return [self launchPPSSPP:argc argv:argv];
-}
-
-- (BOOL)launchPPSSPP:(int)argc argv:(char**)argv;
-{
-	NSString *documentsPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
-	NSString *bundlePath = [[[NSBundle mainBundle] resourcePath] stringByAppendingString:@"/assets/"];
-	NativeInit(argc, (const char**)argv, documentsPath.UTF8String, bundlePath.UTF8String, NULL);
-
-	self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
-
-	// Choose viewcontroller depending on backend.
-	if (g_Config.iGPUBackend == (int)GPUBackend::VULKAN) {
-		PPSSPPViewControllerMetal *vc = [[PPSSPPViewControllerMetal alloc] init];
-
-		self.viewController = vc;
-		self.window.rootViewController = vc;
-
-	} else {
-		PPSSPPViewControllerGL *vc = [[PPSSPPViewControllerGL alloc] init];
-		// Here we can switch viewcontroller depending on backend.
-		self.viewController = vc;
-		self.window.rootViewController = vc;
-	}
-
-	[self.window makeKeyAndVisible];
+	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handleAudioSessionInterruption:) name:AVAudioSessionInterruptionNotification object:[AVAudioSession sharedInstance]];
+	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handleMediaServicesWereReset:) name:AVAudioSessionMediaServicesWereResetNotification object:nil];
 
 	return YES;
 }
@@ -128,49 +104,7 @@
 	[[NSNotificationCenter defaultCenter] removeObserver:self];
 }
 
-- (void)restart:(const char*)restartArgs {
-	INFO_LOG(Log::G3D, "Restart requested: %s", restartArgs);
-	[self.viewController willResignActive];
-	[self.viewController shutdown];
-	self.window.rootViewController = nil;
-	self.viewController = nil;
-
-	// App was requested to restart, probably.
-	INFO_LOG(Log::G3D, "viewController nilled");
-
-	NativeShutdown();
-
-	// TODO: Ignoring the command line for now.
-	// Hoping that overwriting the viewController works as expected...
-	[self launchPPSSPP:0 argv:nullptr];
-	[self.viewController didBecomeActive];
-}
-
-- (void)applicationWillResignActive:(UIApplication *)application {
-	INFO_LOG(Log::G3D, "willResignActive");
-
-	[self.viewController willResignActive];
-
-	if (g_Config.bEnableSound) {
-		iOSCoreAudioShutdown();
-	}
-
-	System_PostUIMessage(UIMessage::LOST_FOCUS);
-}
-
-- (void)applicationDidBecomeActive:(UIApplication *)application {
-	INFO_LOG(Log::G3D, "didBecomeActive");
-	if (g_Config.bEnableSound) {
-		iOSCoreAudioInit();
-	}
-
-	System_PostUIMessage(UIMessage::GOT_FOCUS);
-	[self.viewController didBecomeActive];
-}
-
 - (void)applicationWillTerminate:(UIApplication *)application {
-	// Seems like a bad idea.
-	// exit(0);
 }
 
 @end

ios/IAPManager.mm

@@ -215,4 +215,12 @@ static bool SafeStringEqual(NSString *a, NSString *b) {
 	}
 }
 
+- (void)productsRequest:(nonnull SKProductsRequest *)request didReceiveResponse:(nonnull SKProductsResponse *)response { 
+	NSLog(@"Ignoring [productsRequest]");
+}
+
+- (void)paymentQueue:(nonnull SKPaymentQueue *)queue updatedTransactions:(nonnull NSArray<SKPaymentTransaction *> *)transactions { 
+	NSLog(@"Ignoring [paymentQueue]");
+}
+
 @end

ios/PPSSPP-Info.plist

@@ -206,5 +206,20 @@
 			</dict>
 		</dict>
 	</array>
+	<key>UIApplicationSceneManifest</key>
+	<dict>
+		<key>UISceneConfigurations</key>
+		<dict>
+			<key>UIWindowSceneSessionRoleApplication</key>
+			<array>
+				<dict>
+					<key>UISceneConfigurationName</key>
+					<string>Default Configuration</string>
+					<key>UISceneDelegateClassName</key>
+					<string>SceneDelegate</string>
+				</dict>
+			</array>
+		</dict>
+	</dict>
 </dict>
 </plist>

ios/SceneDelegate.h

@@ -0,0 +1,9 @@
+// SceneDelegate.h
+#import <UIKit/UIKit.h>
+
+@interface SceneDelegate : UIResponder <UIWindowSceneDelegate>
+
+@property (strong, nonatomic) UIWindow * window;
+@property (strong, nonatomic) UIViewController *viewController;
+
+@end

ios/SceneDelegate.mm

@@ -0,0 +1,119 @@
+// SceneDelegate.mm
+
+#import "SceneDelegate.h"
+#import "AppDelegate.h"
+
+#import "iOSCoreAudio.h"
+#import "ViewControllerCommon.h"
+#import "ViewController.h"
+#import "ViewControllerMetal.h"
+#import "Common/System/NativeApp.h"
+#import "Common/System/System.h"
+#import "Core/System.h"
+#import "Core/Config.h"
+#import "Common/Log.h"
+#import "IAPManager.h"
+
+#import <AVFoundation/AVFoundation.h>
+
+@implementation SceneDelegate
+
++ (void)load {
+	NSLog(@"✅ SceneDelegate class was loaded!");
+}
+
+- (void)scene:(UIScene *)scene willConnectToSession:(UISceneSession *)session options:(UISceneConnectionOptions *)connectionOptions {
+	if (![scene isKindOfClass:[UIWindowScene class]]) {
+		return;
+	}
+
+	UIWindowScene *windowScene = (UIWindowScene *)scene;
+	if (self.window) {
+		NSLog(@"✅ Window already exists, not creating again!");
+		return;
+	}
+
+	AppDelegate *appDelegate = (AppDelegate *)[UIApplication sharedApplication].delegate;
+	NSDictionary *launchOptions = appDelegate.launchOptions;
+
+	int argc = 1;
+	char *argv[5]{};
+	NSURL *nsUrl = [launchOptions objectForKey:UIApplicationLaunchOptionsURLKey];
+
+	if (nsUrl != nullptr && nsUrl.isFileURL) {
+		NSString *nsString = nsUrl.path;
+		const char *string = nsString.UTF8String;
+		argv[argc++] = (char*)string;
+	}
+
+	NSString *documentsPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
+	NSString *bundlePath = [[[NSBundle mainBundle] resourcePath] stringByAppendingString:@"/assets/"];
+	NativeInit(argc, (const char**)argv, documentsPath.UTF8String, bundlePath.UTF8String, NULL);
+
+	self.window = [[UIWindow alloc] initWithWindowScene:windowScene];
+//	self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
+
+	// Choose viewcontroller depending on backend.
+	if (g_Config.iGPUBackend == (int)GPUBackend::VULKAN) {
+		PPSSPPViewControllerMetal *vc = [[PPSSPPViewControllerMetal alloc] init];
+
+		self.viewController = vc;
+		self.window.rootViewController = vc;
+
+	} else {
+		PPSSPPViewControllerGL *vc = [[PPSSPPViewControllerGL alloc] init];
+		// Here we can switch viewcontroller depending on backend.
+		self.viewController = vc;
+		self.window.rootViewController = vc;
+	}
+
+	[self.window makeKeyAndVisible];
+}
+
+- (void)restart:(const char*)restartArgs {
+	INFO_LOG(Log::G3D, "SceneDelegate: Restart requested: %s", restartArgs);
+
+	// Notify current view controller
+	[self.viewController willResignActive];
+	[self.viewController shutdown];
+
+	// Remove the current root view controller
+	self.window.rootViewController = nil;
+	self.viewController = nil;
+
+	INFO_LOG(Log::G3D, "SceneDelegate: viewController nilled");
+
+	// Shut down native systems
+	NativeShutdown();
+
+	// Launch a fresh instance
+	[self launchPPSSPP:0 argv:nullptr];
+
+	// Notify new view controller
+	[self.viewController didBecomeActive];
+}
+
+- (void)sceneWillResignActive:(UIScene *)scene {
+	INFO_LOG(Log::G3D, "sceneWillResignActive");
+
+	[self.viewController willResignActive];
+
+	if (g_Config.bEnableSound) {
+		iOSCoreAudioShutdown();
+	}
+
+	System_PostUIMessage(UIMessage::LOST_FOCUS);
+}
+
+- (void)sceneDidBecomeActive:(UIScene *)scene {
+	INFO_LOG(Log::G3D, "sceneDidBecomeActive");
+
+	if (g_Config.bEnableSound) {
+		iOSCoreAudioInit();
+	}
+
+	System_PostUIMessage(UIMessage::GOT_FOCUS);
+
+	[self.viewController didBecomeActive];
+}
+@end