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838 lines
22 KiB
Objective-C
838 lines
22 KiB
Objective-C
//
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// DownloadWindowController.m
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// Ample
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//
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// Created by Kelvin Sherlock on 9/2/2020.
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// Copyright © 2020 Kelvin Sherlock. All rights reserved.
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//
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#import "Ample.h"
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#import "DownloadWindowController.h"
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#import "Menu.h"
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static NSString *Extensions[] = { @"zip", @"7z" };
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enum {
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kTagZip = 1,
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kTag7z = 2,
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};
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@interface DownloadExtensionTransformer: NSValueTransformer
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@end
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@implementation DownloadExtensionTransformer
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+(void)load {
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[NSValueTransformer setValueTransformer: [DownloadExtensionTransformer new] forName: @"FormatTransformer"];
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}
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+ (Class)transformedValueClass {
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return [NSString class];
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}
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+ (BOOL)allowsReverseTransformation {
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return YES;
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}
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-(id)transformedValue:(id)value {
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// string to number.
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if ([@"zip" isEqualToString: value])
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return @(kTagZip);
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if ([@"7z" isEqualToString: value])
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return @(kTag7z);
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return @0;
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}
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-(id)reverseTransformedValue:(id)value {
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// number back to string.
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switch ([value intValue]) {
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case kTagZip: return @"zip";
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case kTag7z: return @"7z";
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default: return @"";
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}
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}
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+(unsigned)stringToNumber: (NSString *)string {
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if ([@"zip" isEqualToString: string])
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return kTagZip;
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if ([@"7z" isEqualToString: string])
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return kTag7z;
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return 0;
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}
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+(NSString *)numberToString: (unsigned)number {
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switch (number) {
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case kTagZip: return @"zip";
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case kTag7z: return @"7z";
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default: return @"";
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}
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}
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@end
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enum {
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ItemMissing = 0,
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ItemFound,
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ItemDownloading,
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ItemDownloaded,
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ItemCanceled,
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ItemError
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};
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@interface DownloadItem : NSObject
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@property NSString *value;
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@property NSString *name;
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@property NSError *error;
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@property NSString *pathName;
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@property NSURLSessionDownloadTask *task;
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@property NSURL *localURL;
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@property NSUInteger status;
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@property NSUInteger index;
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@property NSUInteger fileSize;
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@property (readonly) NSColor *titleColor;
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@property (readonly) NSColor *descriptionColor;
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-(void)cancelDownload;
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-(void)beginDownloadWithTask:(NSURLSessionDownloadTask *)task;
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-(void)completeWithError: (NSError *)error;
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-(NSString *)statusDescription;
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-(void)refresh: (NSURL *)localURL;
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@end
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@interface DownloadItemArrayController : NSArrayController
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@property(readonly, copy) NSArray<NSString *> *automaticRearrangementKeyPaths;
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@end
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@implementation DownloadItemArrayController
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-(NSArray<NSString *> *)automaticRearrangementKeyPaths {
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return @[@"localURL"]; // , @"error", @"task", @"statusDescription"];
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}
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@end
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@interface DownloadWindowController ()
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@property (weak) IBOutlet NSTableView *tableView;
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@property (weak) IBOutlet NSPopUpButton *formatButton;
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@property (weak) IBOutlet NSTextField *downloadField;
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@property NSString *downloadExtension;
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/* filter buttons */
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@property (weak) IBOutlet NSButton *allFilterButton;
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@property (weak) IBOutlet NSButton *missingFilterButton;
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@property (strong) IBOutlet NSArrayController *arrayController;
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@end
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@implementation DownloadWindowController {
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NSArray *_items;
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NSURL *_romFolder;
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NSURL *_defaultDownloadURL;
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NSURL *_downloadURL;
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NSURLSession *_session;
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NSMutableDictionary *_taskIndex;
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NSUserDefaults *_defaults;
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NSArray<NSButton *> *_filterButtons;
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}
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+(instancetype)sharedInstance {
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static DownloadWindowController *me = nil;
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if (!me) {
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me = [self new];
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}
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return me;
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}
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+ (void)restoreWindowWithIdentifier:(nonnull NSUserInterfaceItemIdentifier)identifier state:(nonnull NSCoder *)state completionHandler:(nonnull void (^)(NSWindow * _Nullable, NSError * _Nullable))completionHandler {
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NSLog(@"restore rom manager window");
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NSWindowController *controller = [DownloadWindowController sharedInstance];
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NSWindow *w = [controller window];
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[w restoreStateWithCoder: state];
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completionHandler(w, nil);
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}
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#if 0
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- (void)encodeWithCoder:(nonnull NSCoder *)coder {
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}
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#endif
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-(NSString *)windowNibName {
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return @"DownloadWindow";
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}
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-(void)windowWillLoad {
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_defaults = [NSUserDefaults standardUserDefaults];
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// set here so binding works.
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NSString *s = [_defaults stringForKey: kDownloadExtension];
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if (![s length]) s = [_defaults stringForKey: kDefaultDownloadExtension];
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_downloadExtension = s;
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}
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- (void)windowDidLoad {
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[super windowDidLoad];
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#if 0
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NSWindow *window = [self window];
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// disabled for now ... restoration happens before defaults are loaded.
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[window setRestorable: YES];
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[window setRestorationClass: [self class]];
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#endif
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_filterButtons = @[
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_allFilterButton,
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_missingFilterButton
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];
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// Implement this method to handle any initialization after your window controller's window has been loaded from its nib file.
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NSError *error = nil;
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NSBundle *bundle = [NSBundle mainBundle];
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NSFileManager *fm = [NSFileManager defaultManager];
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NSURL *url = [bundle URLForResource: @"roms" withExtension: @"plist"];
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NSArray *roms = [NSArray arrayWithContentsOfURL: url];
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NSURL *sd = SupportDirectory();
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_romFolder = [sd URLByAppendingPathComponent: @"roms"];
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[fm createDirectoryAtURL: _romFolder withIntermediateDirectories: YES attributes: nil error: &error];
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// so blank URL isn't overwritten.
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NSString *s = [_defaults stringForKey: kDefaultDownloadURL];
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_defaultDownloadURL = [NSURL URLWithString: s];
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[_downloadField setPlaceholderString: s];
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s = [_defaults stringForKey: kDownloadURL];
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if ([s length]) {
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[_downloadField setStringValue: s];
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_downloadURL = [NSURL URLWithString: s];
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} else {
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_downloadURL = _defaultDownloadURL;
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}
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[self initializeExtensionMenu];
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[self setCurrentROM: @""];
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[self setCurrentCount: 0];
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[self setTotalCount: [roms count]];
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[self setErrorCount: 0];
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NSMutableArray *tmp = [NSMutableArray arrayWithCapacity: [roms count]];
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unsigned ix = 0;
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for (NSDictionary *d in roms) {
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DownloadItem *item = [DownloadItem new];
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[item setValue: [d objectForKey: @"value"]];
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[item setName: [d objectForKey: @"description"]];
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[item setIndex: ix++];
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[tmp addObject: item];
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}
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_items = tmp;
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[self refreshROMs: nil];
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[_arrayController setContent: _items];
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//[_tableView reloadData];
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NSURLSessionConfiguration *config = [NSURLSessionConfiguration defaultSessionConfiguration];
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_session = [NSURLSession sessionWithConfiguration: config delegate: self delegateQueue: nil];
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_taskIndex = [NSMutableDictionary dictionaryWithCapacity: [_items count]];
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//[self download];
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}
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#if 0
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-(void)validateURL: (NSString *)url {
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NSURL *v;
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if (![url length]) {
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_effectiveURL = [NSURL URLWithString: _downloadURL];
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[_downloadField setTextColor: nil];
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return;
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}
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v = [NSURL URLWithString: url];
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if (v) {
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_effectiveURL = v;
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[_downloadField setTextColor: nil];
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} else {
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_effectiveURL = [NSURL URLWithString: _downloadURL];
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[_downloadField setTextColor: [NSColor systemRedColor]];
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}
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}
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#endif
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-(void)downloadItem: (DownloadItem *)item {
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if (!_session) {
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NSURLSessionConfiguration *config = [NSURLSessionConfiguration defaultSessionConfiguration];
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_session = [NSURLSession sessionWithConfiguration: config delegate: self delegateQueue: nil];
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}
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NSURLSessionDownloadTask *task;
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NSString *s = [item value];
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NSString *path = [s stringByAppendingPathExtension: _downloadExtension];
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NSURL *url = [_downloadURL URLByAppendingPathComponent: path];
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task = [_session downloadTaskWithURL: url];
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[item beginDownloadWithTask: task];
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[_taskIndex setObject: item forKey: task];
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[task resume];
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}
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-(void)download {
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// run in thread?
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//unsigned count = 0;
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for (DownloadItem *item in _items) {
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NSURLSessionDownloadTask *task;
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NSString *s = [item value];
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NSString *path = [s stringByAppendingPathExtension: _downloadExtension];
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NSURL *url = [_downloadURL URLByAppendingPathComponent: path];
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task = [_session downloadTaskWithURL: url];
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[_taskIndex setObject: item forKey: task];
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[item setTask: task];
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[task resume];
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//++count;
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//if (count >= 2) break;
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}
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[self setActive: YES];
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}
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-(DownloadItem *)clickedItem {
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NSInteger row = [_tableView clickedRow];
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if (row < 0 || row >= [_items count]) return nil;
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return [[_arrayController arrangedObjects] objectAtIndex: row];
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//return [_items objectAtIndex: row];
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}
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#if 0
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-(void)redrawRow: (NSUInteger)row {
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//NSRect r = [_tableView rectOfRow: row];
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//[_tableView setNeedsDisplayInRect: r];
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NSIndexSet *rIx = [NSIndexSet indexSetWithIndex: row];
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NSIndexSet *cIx = [NSIndexSet indexSetWithIndex: 0];
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[_tableView reloadDataForRowIndexes: rIx columnIndexes: cIx];
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}
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#endif
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-(void)initializeExtensionMenu {
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unsigned tag;
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// mark default download extension.
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NSString *defaultExt = [_defaults stringForKey: kDefaultDownloadExtension];
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tag = [DownloadExtensionTransformer stringToNumber: defaultExt];
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NSMenuItem *item = [[_formatButton menu] itemWithTag: tag];
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if (item) {
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[item setAttributedTitle: ItalicMenuString([item title])];
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}
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#if 0
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// handled via binding.
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NSString *ext = [_defaults stringForKey: kDownloadExtension];
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if ([ext length]) {
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ix = [DownloadExtensionTransformer stringToNumber: ext];
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}
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[_formatButton selectItemWithTag: tag];
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#endif
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}
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-(void) defocus {
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[[self window] makeFirstResponder: nil];
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}
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#pragma mark - IBActions
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-(IBAction)cancelAll:(id)sender {
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for (DownloadItem *item in _items) {
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[item cancelDownload];
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}
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[_session invalidateAndCancel];
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_session = nil;
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[_taskIndex removeAllObjects];
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[self setCurrentCount: 0];
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[self setActive: NO];
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}
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- (IBAction)downloadMissing:(id)sender {
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[self defocus];
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BOOL delta = NO;
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for (DownloadItem *item in _items) {
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NSURL *url = [item localURL];
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id task = [item task];
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if (!url && !task) {
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[self downloadItem: item];
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delta = YES;
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}
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}
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if (delta) {
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[self setActive: YES];
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}
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}
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- (IBAction)showRomFolder:(id)sender {
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NSWorkspace *ws = [NSWorkspace sharedWorkspace];
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[ws openURL: _romFolder];
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}
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-(IBAction)refreshROMs: (id)sender {
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NSString *romdir = [SupportDirectoryPath() stringByAppendingPathComponent: @"roms"];
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NSFileManager *fm = [NSFileManager defaultManager];
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for (DownloadItem *item in _items) {
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NSDictionary *attr = nil;
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NSString *value = [item value];
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NSString *s = [romdir stringByAppendingPathComponent: value];
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NSString *path;
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for (unsigned i = 0; i < 2; ++i) {
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path = [s stringByAppendingPathExtension: Extensions[i]];
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attr = [fm attributesOfItemAtPath: path error: nil];
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if (attr) break;
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}
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if (attr) {
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[item setStatus: ItemFound];
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[item setLocalURL: [NSURL fileURLWithPath: path]];
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[item setFileSize: [attr fileSize]];
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} else {
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[item setStatus: ItemMissing];
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[item setLocalURL: nil];
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[item setFileSize: 0];
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}
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}
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}
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- (IBAction)showInFinder:(id)sender {
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DownloadItem *item = [self clickedItem];
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if (!item) return;
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NSURL *url = [item localURL];
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if (!url) return;
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NSWorkspace *ws = [NSWorkspace sharedWorkspace];
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[ws activateFileViewerSelectingURLs: @[url]];
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}
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- (IBAction)moveToTrash:(id)sender {
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NSError *error = nil;
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DownloadItem *item = [self clickedItem];
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if (!item) return;
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NSURL *url = [item localURL];
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if (!url) return;
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NSFileManager *fm = [NSFileManager defaultManager];
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if ([fm trashItemAtURL: url resultingItemURL: NULL error: &error]) {
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[item refresh: nil];
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} else {
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[self presentError: error];
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}
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}
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- (IBAction)download:(id)sender {
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DownloadItem *item = [self clickedItem];
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if (!item) return;
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[self defocus];
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[self downloadItem: item];
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[self setActive: YES];
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}
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- (IBAction)cancel:(id)sender {
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DownloadItem *item = [self clickedItem];
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if (!item) return;
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[item cancelDownload];
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}
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// binding screws up with placeholder.
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-(IBAction)downloadURLChanged: (NSTextField *)sender {
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NSString *value;
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value = [sender stringValue];
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if (![value length]) {
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[_defaults removeObjectForKey: kDownloadURL];
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_downloadURL = _defaultDownloadURL;
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return;
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}
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// [self validateURL: value];
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[_defaults setValue: value forKey: kDownloadURL];
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_downloadURL = [NSURL URLWithString: value];
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}
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- (IBAction)downloadExtensionChanged:(id)sender {
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[_defaults setValue: _downloadExtension forKey: kDownloadExtension];
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}
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- (IBAction)filterButton:(id)sender {
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NSPredicate *p = nil;
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NSUInteger tag = [sender tag];
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[sender setState: NSControlStateValueOn];
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for (NSButton *b in _filterButtons) {
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if (b != sender) [b setState: NSControlStateValueOff];
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}
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switch (tag) {
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case 1: // all
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default:
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[_arrayController setFilterPredicate: nil];
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break;
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case 2: // missing.
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p = [NSPredicate predicateWithBlock: ^BOOL(DownloadItem *item, NSDictionary *bindings){
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NSURL *localURL = [item localURL];
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return localURL == nil;
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}];
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[_arrayController setFilterPredicate: p];
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break;
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}
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}
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#pragma mark - NSURLSessionDelegate
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static NSInteger TaskStatusCode(NSURLSessionTask *task) {
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NSURLResponse *response = [task response];
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if ([response isKindOfClass: [NSHTTPURLResponse class]]) {
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return [(NSHTTPURLResponse *)response statusCode];
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}
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return -1;
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}
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-(void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task didCompleteWithError:(NSError *)error {
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if (error) NSLog(@"Download error: %@", error);
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NSInteger statusCode = TaskStatusCode(task);
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if (!error && statusCode != 200) {
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// treat as an error.
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NSDictionary *info = @{
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NSURLErrorKey: [[task originalRequest] URL],
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NSLocalizedDescriptionKey: [NSHTTPURLResponse localizedStringForStatusCode: statusCode],
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};
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error = [NSError errorWithDomain: NSURLErrorDomain code: NSURLErrorFileDoesNotExist userInfo: info];
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}
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// not sure if strictly necessary but this happens in a background thread
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// and these are used in KVO binding. Also, main thread only
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// means no race conditions.
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dispatch_async(dispatch_get_main_queue(), ^(void){
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if (error) {
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[self setErrorCount: self->_errorCount + 1];
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} else {
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[self setCurrentCount: self->_currentCount + 1];
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}
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NSMutableDictionary *taskIndex = self->_taskIndex;
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DownloadItem *item = [taskIndex objectForKey: task];
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[taskIndex removeObjectForKey: task];
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if ([taskIndex count] == 0) {
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[self setActive: NO];
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}
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if (item) {
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[item completeWithError: error];
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}
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});
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}
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- (void)URLSession:(NSURLSession *)session downloadTask:(nonnull NSURLSessionDownloadTask *)task didFinishDownloadingToURL:(nonnull NSURL *)location {
|
|
|
|
|
|
// NSLog(@"%@", task);
|
|
// NSLog(@"%@", [task response]);
|
|
|
|
if (TaskStatusCode(task) != 200) return;
|
|
|
|
|
|
// need to move to the destination directory...
|
|
// file deleted after this function returns, so can't move asynchronously.
|
|
NSFileManager *fm = [NSFileManager defaultManager];
|
|
NSURL *src = [[task originalRequest] URL];
|
|
NSURL *dest = [_romFolder URLByAppendingPathComponent: [src lastPathComponent]];
|
|
NSError *error = nil;
|
|
|
|
[fm moveItemAtURL: location toURL: dest error: &error];
|
|
|
|
dispatch_async(dispatch_get_main_queue(), ^(void){
|
|
NSMutableDictionary *taskIndex = self->_taskIndex;
|
|
DownloadItem *item = [taskIndex objectForKey: task];
|
|
|
|
[item refresh: dest];
|
|
});
|
|
|
|
NSLog(@"%@", src);
|
|
}
|
|
|
|
|
|
|
|
-(NSURLCredential *)credentialForChallenge: (NSURLAuthenticationChallenge *)challenge {
|
|
|
|
|
|
//if ([challenge previousFailureCount]) return nil;
|
|
|
|
NSURLCredential *credential = nil;
|
|
NSURLProtectionSpace *space = [challenge protectionSpace];
|
|
|
|
|
|
OSStatus status;
|
|
NSDictionary *query;
|
|
CFTypeRef item = nil;
|
|
|
|
|
|
query = @{
|
|
(id)kSecClass: (id)kSecClassInternetPassword,
|
|
(id)kSecReturnData: (id)kCFBooleanTrue,
|
|
(id)kSecReturnAttributes: (id)kCFBooleanTrue,
|
|
(id)kSecAttrServer: [space host],
|
|
//(id)kSecAttrProtocol: [space protocol],
|
|
(id)kSecMatchLimit: (id)kSecMatchLimitOne,
|
|
};
|
|
|
|
status = SecItemCopyMatching((CFDictionaryRef)query, &item);
|
|
//NSLog(@"%@", query);
|
|
if (status != 0) return nil;
|
|
|
|
NSDictionary *d = (__bridge NSDictionary *)item;
|
|
//NSLog(@"%@", d);
|
|
|
|
NSString *account = [d objectForKey: (id)kSecAttrAccount];
|
|
NSData *passwordData = [d objectForKey: (id)kSecValueData];
|
|
NSString *password = [[NSString alloc] initWithData: passwordData encoding: NSUTF8StringEncoding];
|
|
|
|
|
|
credential = [NSURLCredential credentialWithUser: account password: password persistence: NSURLCredentialPersistenceForSession];
|
|
|
|
return credential;
|
|
|
|
}
|
|
|
|
- (void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task didReceiveChallenge:(NSURLAuthenticationChallenge *)challenge completionHandler:(void (^)(NSURLSessionAuthChallengeDisposition disposition, NSURLCredential *credential))completionHandler {
|
|
|
|
NSLog(@"challenge: %@", challenge);
|
|
|
|
if ([challenge previousFailureCount]) {
|
|
completionHandler(NSURLSessionAuthChallengeCancelAuthenticationChallenge, nil);
|
|
return;
|
|
}
|
|
|
|
NSURLProtectionSpace *space = [challenge protectionSpace];
|
|
NSString *method = [space authenticationMethod];
|
|
|
|
if ([NSURLAuthenticationMethodHTTPBasic isEqualToString: method] ||
|
|
[NSURLAuthenticationMethodNTLM isEqualToString: method] ||
|
|
[NSURLAuthenticationMethodHTTPDigest isEqualToString: method]) {
|
|
|
|
NSURLCredential *credential = [self credentialForChallenge: challenge];
|
|
|
|
if (credential) {
|
|
completionHandler(NSURLSessionAuthChallengeUseCredential, credential);
|
|
return;
|
|
}
|
|
}
|
|
|
|
completionHandler(NSURLSessionAuthChallengePerformDefaultHandling, nil);
|
|
}
|
|
|
|
@end
|
|
|
|
|
|
|
|
|
|
@implementation DownloadItem
|
|
|
|
-(void)beginDownloadWithTask:(NSURLSessionDownloadTask *)task {
|
|
[self setTask: task];
|
|
[self setError: nil];
|
|
if (task) [self setStatus: ItemDownloading];
|
|
}
|
|
|
|
-(void)cancelDownload {
|
|
if (!_task) return;
|
|
|
|
[_task cancel];
|
|
[self setTask: nil];
|
|
[self setStatus: ItemCanceled];
|
|
}
|
|
|
|
-(void)completeWithError: (NSError *)error {
|
|
[self setTask: nil];
|
|
if (error) {
|
|
[self setError: error];
|
|
[self setStatus: ItemError];
|
|
} else {
|
|
// what if there was an error moving it?
|
|
[self setError: nil];
|
|
[self setStatus: ItemDownloaded];
|
|
}
|
|
}
|
|
|
|
|
|
-(void)refresh: (NSURL *)localURL {
|
|
NSDictionary *attr = nil;
|
|
NSError * error = nil;
|
|
NSFileManager *fm = [NSFileManager defaultManager];
|
|
|
|
if (localURL) {
|
|
attr = [fm attributesOfItemAtPath: [localURL path] error: &error];
|
|
} else {
|
|
NSString *romdir = [SupportDirectoryPath() stringByAppendingPathComponent: @"roms"];
|
|
NSString *s = [romdir stringByAppendingPathComponent: _value];
|
|
|
|
NSString *path = nil;
|
|
for (unsigned i = 0; i < 2; ++i) {
|
|
path = [s stringByAppendingPathExtension: Extensions[i]];
|
|
attr = [fm attributesOfItemAtPath: path error: nil];
|
|
if (attr) {
|
|
localURL = [NSURL fileURLWithPath: path];
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (attr && localURL) {
|
|
[self setLocalURL: localURL];
|
|
[self setFileSize: [attr fileSize]];
|
|
[self setStatus: ItemFound];
|
|
} else {
|
|
[self setLocalURL: nil];
|
|
[self setFileSize: 0];
|
|
if (_status == ItemFound || _status == ItemDownloaded)
|
|
[self setStatus: ItemMissing];
|
|
}
|
|
|
|
}
|
|
|
|
+(NSSet *)keyPathsForValuesAffectingStatusDescription {
|
|
return [NSSet setWithObjects: @"error", @"status", nil];
|
|
}
|
|
-(NSString *)statusDescription {
|
|
|
|
static NSString *Names[] = {
|
|
@"ROM missing",
|
|
@"ROM found",
|
|
@"Downloading…",
|
|
@"Downloaded",
|
|
@"Canceled",
|
|
@"Error"
|
|
};
|
|
if (_error) return [_error localizedDescription];
|
|
|
|
if (_status > sizeof(Names)/sizeof(Names[0])) return @"Unknown";
|
|
return Names[_status];
|
|
}
|
|
|
|
+(NSSet *)keyPathsForValuesAffectingTitleColor {
|
|
return [NSSet setWithObject: @"localURL"];
|
|
}
|
|
-(NSColor *)titleColor {
|
|
return _localURL ? nil : [NSColor systemRedColor];
|
|
}
|
|
+(NSSet *)keyPathsForValuesAffectingDescriptionColor {
|
|
return [NSSet setWithObject: @"error"];
|
|
}
|
|
-(NSColor *)descriptionColor {
|
|
return _error ? [NSColor systemRedColor] : nil;
|
|
}
|
|
|
|
@end
|
|
|
|
|
|
|
|
@implementation DownloadWindowController (Menu)
|
|
|
|
enum {
|
|
kOpenInFinder = 1,
|
|
kDownload,
|
|
kCancel,
|
|
};
|
|
|
|
- (BOOL)validateMenuItem:(NSMenuItem *)menuItem {
|
|
|
|
SEL action = [menuItem action];
|
|
if (action == @selector(downloadExtensionChanged:)) return YES;
|
|
|
|
DownloadItem *item = [self clickedItem];
|
|
if (!item) return NO;
|
|
#if 0
|
|
NSInteger row = [_tableView clickedRow];
|
|
if (row < 0) return NO;
|
|
DownloadItem *item = [[_arrayController arrangedObjects] objectAtIndex: row]; //[_items objectAtIndex: row];
|
|
#endif
|
|
|
|
NSUInteger status = [item status];
|
|
|
|
if (action == @selector(moveToTrash:)) {
|
|
return [item localURL] != nil;
|
|
}
|
|
if (action == @selector(showInFinder:)) {
|
|
return [item localURL] != nil;
|
|
}
|
|
if (action == @selector(download:)) {
|
|
return YES;
|
|
}
|
|
if (action == @selector(cancel:)) {
|
|
return status == ItemDownloading;
|
|
}
|
|
|
|
|
|
return NO;
|
|
}
|
|
|
|
@end
|