transmission/macosx/BlocklistDownloaderViewCont...

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// This file Copyright © 2008-2022 Transmission authors and contributors.
// It may be used under the MIT (SPDX: MIT) license.
// License text can be found in the licenses/ folder.
#import "BlocklistDownloaderViewController.h"
#import "BlocklistDownloader.h"
#import "PrefsController.h"
#import "NSStringAdditions.h"
@interface BlocklistDownloaderViewController ()
@property(nonatomic) IBOutlet NSWindow* fStatusWindow;
@property(nonatomic) IBOutlet NSProgressIndicator* fProgressBar;
@property(nonatomic) IBOutlet NSTextField* fTextField;
@property(nonatomic) IBOutlet NSButton* fButton;
@property(nonatomic, readonly) PrefsController* fPrefsController;
@end
@implementation BlocklistDownloaderViewController
BlocklistDownloaderViewController* fBLViewController = nil;
+ (void)downloadWithPrefsController:(PrefsController*)prefsController
{
if (!fBLViewController)
{
fBLViewController = [[BlocklistDownloaderViewController alloc] initWithPrefsController:prefsController];
[fBLViewController startDownload];
}
}
- (void)awakeFromNib
{
self.fButton.title = NSLocalizedString(@"Cancel", "Blocklist -> cancel button");
CGFloat const oldWidth = NSWidth(self.fButton.frame);
[self.fButton sizeToFit];
NSRect buttonFrame = self.fButton.frame;
buttonFrame.size.width += 12.0; //sizeToFit sizes a bit too small
buttonFrame.origin.x -= NSWidth(buttonFrame) - oldWidth;
self.fButton.frame = buttonFrame;
self.fProgressBar.usesThreadedAnimation = YES;
[self.fProgressBar startAnimation:self];
}
- (void)cancelDownload:(id)sender
{
[[BlocklistDownloader downloader] cancelDownload];
}
- (void)setStatusStarting
{
self.fTextField.stringValue = [NSLocalizedString(@"Connecting to site", "Blocklist -> message") stringByAppendingEllipsis];
self.fProgressBar.indeterminate = YES;
}
- (void)setStatusProgressForCurrentSize:(NSUInteger)currentSize expectedSize:(long long)expectedSize
{
NSString* string = NSLocalizedString(@"Downloading blocklist", "Blocklist -> message");
if (expectedSize != NSURLResponseUnknownLength)
{
self.fProgressBar.indeterminate = NO;
NSString* substring = [NSString stringForFilePartialSize:currentSize fullSize:expectedSize];
string = [string stringByAppendingFormat:@" (%@)", substring];
self.fProgressBar.doubleValue = (double)currentSize / expectedSize;
}
else
{
string = [string stringByAppendingFormat:@" (%@)", [NSString stringForFileSize:currentSize]];
}
self.fTextField.stringValue = string;
}
- (void)setStatusProcessing
{
//change to indeterminate while processing
self.fProgressBar.indeterminate = YES;
[self.fProgressBar startAnimation:self];
self.fTextField.stringValue = [NSLocalizedString(@"Processing blocklist", "Blocklist -> message") stringByAppendingEllipsis];
self.fButton.enabled = NO;
}
- (void)setFinished
{
[self.fPrefsController.window endSheet:self.fStatusWindow];
fBLViewController = nil;
}
- (void)setFailed:(NSString*)error
{
[self.fPrefsController.window endSheet:self.fStatusWindow];
NSAlert* alert = [[NSAlert alloc] init];
[alert addButtonWithTitle:NSLocalizedString(@"OK", "Blocklist -> button")];
alert.messageText = NSLocalizedString(@"Download of the blocklist failed.", "Blocklist -> message");
alert.alertStyle = NSAlertStyleWarning;
alert.informativeText = error;
[alert beginSheetModalForWindow:self.fPrefsController.window completionHandler:^(NSModalResponse /*returnCode*/) {
fBLViewController = nil;
}];
}
#pragma mark - Private
- (instancetype)initWithPrefsController:(PrefsController*)prefsController
{
if ((self = [super init]))
{
_fPrefsController = prefsController;
}
return self;
}
- (void)startDownload
{
//load window and show as sheet
[NSBundle.mainBundle loadNibNamed:@"BlocklistStatusWindow" owner:self topLevelObjects:NULL];
BlocklistDownloader* downloader = [BlocklistDownloader downloader];
downloader.viewController = self; //do before showing the sheet to ensure it doesn't slide out with placeholder text
[self.fPrefsController.window beginSheet:self.fStatusWindow completionHandler:nil];
}
@end