Properly handled Inbox and Boot ROMs in GBROMManager

iOS/GBROMManager.h

@@ -10,6 +10,7 @@
 @property (readonly) NSString *batterySaveFile;
 @property (readonly) NSString *autosaveStateFile;
 @property (readonly) NSString *cheatsFile;
+@property (readonly) NSArray <NSString *> *forbiddenNames;
 
 @property (readonly) NSString *localRoot;
 - (NSString *)stateFile:(unsigned)index;

iOS/GBROMManager.m

@@ -34,9 +34,17 @@
     return self;
 }
 
+- (NSArray<NSString *> *)forbiddenNames
+{
+    return @[@"Inbox", @"Boot ROMs"];
+}
+
 - (void)setCurrentROM:(NSString *)currentROM
 {
     _romFile = nil;
+    if ([self.forbiddenNames containsObject:currentROM]) {
+        currentROM = nil;
+    }
     _currentROM = currentROM;
     bool foundROM = self.romFile;
     
@@ -64,6 +72,9 @@
 
 - (NSString *)romDirectoryForROM:(NSString *)romFile
 {
+    if ([self.forbiddenNames containsObject:romFile]) {
+        return nil;
+    }
 
     return [self.localRoot stringByAppendingPathComponent:romFile];
 }
@@ -80,9 +91,10 @@
     if (rom == _currentROM) {
         return self.romFile;
     }
-    if ([rom isEqualToString:@"Inbox"]) return nil;
-    if ([rom isEqualToString:@"Boot ROMs"]) return nil;
     
+    if ([self.forbiddenNames containsObject:rom]) {
+        return nil;
+    }
     
     return [self romFileForDirectory:[self romDirectoryForROM:rom]];
 }
@@ -149,6 +161,9 @@
 
 - (NSString *)makeNameUnique:(NSString *)name
 {
+    if ([self.forbiddenNames containsObject:name]) {
+        name = @"Imported ROM";
+    }
     NSString *root = self.localRoot;
     if (![[NSFileManager defaultManager] fileExistsAtPath:[root stringByAppendingPathComponent:name]]) return name;
     

iOS/GBROMViewController.m

@@ -256,6 +256,17 @@
         [self presentViewController:alert animated:true completion:nil];
         return;
     }
+    if ([[GBROMManager sharedManager].forbiddenNames containsObject:newName]) {
+        [self.tableView reloadData];
+        UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"Invalid Name"
+                                                                       message:@"This name is reserved by SameBoy or iOS. Please choose another name."
+                                                                preferredStyle:UIAlertControllerStyleAlert];
+        [alert addAction:[UIAlertAction actionWithTitle:@"OK"
+                                                  style:UIAlertActionStyleCancel
+                                                handler:nil]];
+        [self presentViewController:alert animated:true completion:nil];
+        return;
+    }
     [self renameROM:oldName toName:newName];
     _renamingPath = nil;
 }

iOS/GBViewController.m

@@ -902,17 +902,10 @@ static void rumbleCallback(GB_gameboy_t *gb, double amp)
             }
             
             NSDate *date = nil;
-            @try {
-                [[NSURL fileURLWithPath:[GBROMManager sharedManager].autosaveStateFile] getResourceValue:&date
-                                                                                                  forKey:NSURLContentModificationDateKey
-                                                                                                   error:nil];
-            }
-            @catch (NSException *exception) {
-                /* fileURLWithPath: throws an exception on some crash logs. I don't know why or how to reproduce it,
-                   but let's at least not crash. */
-                GB_rewind_reset(&_gb);
-            }
-            
+            [[NSURL fileURLWithPath:[GBROMManager sharedManager].autosaveStateFile] getResourceValue:&date
+                                                                                              forKey:NSURLContentModificationDateKey
+                                                                                               error:nil];
+
             // Reset the rewind buffer only if we switched ROMs or had the save state change externally
             if (![_lastSavedROM isEqual:[GBROMManager sharedManager].currentROM] ||
                 ![_saveDate isEqual:date]) {