More ROM management features

Cocoa/GBCheatWindowController.m

@@ -42,7 +42,7 @@
     return nil;
 }
 
-- (nullable id)tableView:(NSTableView *)tableView objectValueForTableColumn:(nullable NSTableColumn *)tableColumn row:(NSInteger)row
+- (id)tableView:(NSTableView *)tableView objectValueForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row
 {
     size_t cheatCount;
     GB_gameboy_t *gb = self.document.gameboy;

JoyKit/JOYElement.m

@@ -126,7 +126,7 @@
     return self->_element == object;
 }
 
-- (id)copyWithZone:(nullable NSZone *)zone;
+- (id)copyWithZone:(NSZone *)zone;
 {
     return self;
 }

JoyKit/JOYFullReportElement.m

@@ -67,7 +67,7 @@
     return self.uniqueID == object.uniqueID;
 }
 
-- (id)copyWithZone:(nullable NSZone *)zone;
+- (id)copyWithZone:(NSZone *)zone;
 {
     return self;
 }

iOS/GBLoadROMTableViewController.m

@@ -6,6 +6,9 @@
 @end
 
 @implementation GBLoadROMTableViewController
+{
+    NSIndexPath *_renamingPath;
+}
 
 - (instancetype)init
 {
@@ -75,7 +78,7 @@
 
 - (UIModalPresentationStyle)modalPresentationStyle
 {
-    return UIModalPresentationFormSheet;
+    return UIModalPresentationOverFullScreen;
 }
 
 - (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath
@@ -87,7 +90,7 @@
                                                             preferredStyle:UIAlertControllerStyleAlert];
     [alert  addAction:[UIAlertAction actionWithTitle:@"Delete"
                                                style:UIAlertActionStyleDestructive
-                                             handler:^(UIAlertAction * _Nonnull action) {
+                                             handler:^(UIAlertAction *action) {
         [[GBROMManager sharedManager] deleteROM:rom];
         [self.tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationAutomatic];
         if ([[GBROMManager sharedManager].currentROM isEqualToString:rom]) {
@@ -101,4 +104,70 @@
     [self presentViewController:alert animated:true completion:nil];
 }
 
+- (void)renameRow:(NSIndexPath *)indexPath
+{
+    UITableViewCell *cell = [self.tableView cellForRowAtIndexPath:indexPath];
+    UITextField *field = [[UITextField alloc] initWithFrame:cell.textLabel.frame];
+    field.font = cell.textLabel.font;
+    field.text = cell.textLabel.text;
+    cell.textLabel.text = @"";
+    [[cell.textLabel superview] addSubview:field];
+    [field becomeFirstResponder];
+    [field selectAll:nil];
+    _renamingPath = indexPath;
+    [field addTarget:self action:@selector(doneRename:) forControlEvents:UIControlEventEditingDidEnd | UIControlEventEditingDidEndOnExit];
+}
+
+- (void)doneRename:(UITextField *)sender
+{
+    if (!_renamingPath) return;
+    NSString *newName = sender.text;
+    NSString *oldName = [GBROMManager sharedManager].allROMs[[_renamingPath indexAtPosition:1]];
+    _renamingPath = nil;
+    if ([newName isEqualToString:oldName]) {
+        [self.tableView reloadData];
+        return;
+    }
+    if ([newName containsString:@"/"]) {
+        [self.tableView reloadData];
+        UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"You can't use a name that contains “/”. Please choose another name."
+                                                                       message:nil
+                                                                preferredStyle:UIAlertControllerStyleAlert];
+        [alert  addAction:[UIAlertAction actionWithTitle:@"OK"
+                                                   style:UIAlertActionStyleCancel
+                                                 handler:nil]];
+        [self presentViewController:alert animated:true completion:nil];
+        return;
+    }
+    [[GBROMManager sharedManager] renameROM:oldName toName:newName];
+    [self.tableView reloadData];
+    _renamingPath = nil;
+}
+
+// Leave these ROM management to iOS 13.0 and up for now
+- (UIContextMenuConfiguration *)tableView:(UITableView *)tableView
+contextMenuConfigurationForRowAtIndexPath:(NSIndexPath *)indexPath
+                                    point:(CGPoint)point API_AVAILABLE(ios(13.0))
+{
+    return [UIContextMenuConfiguration configurationWithIdentifier:nil
+                                                   previewProvider:nil
+                                                    actionProvider:^UIMenu *(NSArray<UIMenuElement *> *suggestedActions) {
+        return [UIMenu menuWithTitle:nil children:@[
+            [UIAction actionWithTitle:@"Rename"
+                                image:[UIImage systemImageNamed:@"pencil"]
+                           identifier:nil
+                              handler:^(__kindof UIAction *action) {
+                [self renameRow:indexPath];
+            }],
+            [UIAction actionWithTitle:@"Duplicate"
+                                image:[UIImage systemImageNamed:@"plus.rectangle.on.rectangle"]
+                           identifier:nil
+                              handler:^(__kindof UIAction *action) {
+                [[GBROMManager sharedManager] duplicateROM:[GBROMManager sharedManager].allROMs[[indexPath indexAtPosition:1]]];
+                [self.tableView reloadData];
+            }],
+        ]];
+    }];
+}
+
 @end

iOS/GBROMManager.h

@@ -16,5 +16,7 @@
 - (NSString *)autosaveStateFileForROM:(NSString *)rom;
 - (NSString *)stateFile:(unsigned)index forROM:(NSString *)rom;
 - (NSString *)importROM:(NSString *)romFile keepOriginal:(bool)keep;
+- (NSString *)renameROM:(NSString *)rom toName:(NSString *)newName;
+- (NSString *)duplicateROM:(NSString *)rom;
 - (void)deleteROM:(NSString *)rom;
 @end

iOS/GBROMManager.m

@@ -113,7 +113,23 @@
             [ret addObject:romDirectory];
         }
     }
-    return ret;
+    return [ret sortedArrayUsingSelector:@selector(localizedCaseInsensitiveCompare:)];
+}
+
+- (NSString *)makeNameUnique:(NSString *)name
+{
+    NSString *root = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, true).firstObject;
+    if (![[NSFileManager defaultManager] fileExistsAtPath:[root stringByAppendingPathComponent:name]]) return name;
+    
+    unsigned i = 2;
+    while (true) {
+        NSString *attempt = [name stringByAppendingFormat:@" %u", i];
+        if ([[NSFileManager defaultManager] fileExistsAtPath:[root stringByAppendingPathComponent:attempt]]) {
+            i++;
+            continue;
+        }
+        return attempt;
+    }
 }
 
 - (NSString *)importROM:(NSString *)romFile keepOriginal:(bool)keep
@@ -136,7 +152,13 @@
             break;
         }
     }
-    
+
+    return [self importROM:romFile withName:friendlyName keepOriginal:keep];
+}
+
+- (NSString *)importROM:(NSString *)romFile withName:(NSString *)friendlyName keepOriginal:(bool)keep
+{
+    NSString *root = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, true).firstObject;
     NSString *romFolder = [root stringByAppendingPathComponent:friendlyName];
     [[NSFileManager defaultManager] createDirectoryAtPath:romFolder
                               withIntermediateDirectories:false
@@ -167,6 +189,27 @@
     return friendlyName;
 }
 
+- (NSString *)renameROM:(NSString *)rom toName:(NSString *)newName
+{
+    newName = [self makeNameUnique:newName];
+    if ([rom isEqualToString:_currentROM]) {
+        _currentROM = newName;
+    }
+    NSString *root = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, true).firstObject;
+
+    [[NSFileManager defaultManager] moveItemAtPath:[root stringByAppendingPathComponent:rom]
+                                            toPath:[root stringByAppendingPathComponent:newName] error:nil];
+    return newName;
+}
+
+- (NSString *)duplicateROM:(NSString *)rom
+{
+    NSString *newName = [self makeNameUnique:rom];
+    return [self importROM:[self romFileForROM:rom]
+                  withName:newName
+              keepOriginal:true];
+}
+
 - (void)deleteROM:(NSString *)rom
 {
     NSString *root = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, true).firstObject;

iOS/GBViewController.h

@@ -1,7 +1,7 @@
 #import <UIKit/UIKit.h>
 
 @interface GBViewController : UIViewController <UIApplicationDelegate>
-@property (nullable, nonatomic, strong) UIWindow *window;
+@property (nonatomic, strong) UIWindow *window;
 - (void)reset;
 - (void)openLibrary;
 - (void)start;