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/* HBQueueItemWorkingView.m $
This file is part of the HandBrake source code.
Homepage: <http://handbrake.fr/>.
It may be used under the terms of the GNU General Public License. */
#import "HBQueueItemWorkingView.h"
#import "HBQueueItem.h"
#import "HBQueue.h"
#import "HBAttributedStringAdditions.h"
@interface HBQueueItemWorkingView ()
@property (nonatomic, weak) IBOutlet NSProgressIndicator *progressBar;
@property (nonatomic, weak) IBOutlet NSTextField *progressField;
@property (nonatomic) id progressToken;
@property (nonatomic) id completedToken;
@end
@implementation HBQueueItemWorkingView
- (void)setUpObservers
{
NSNotificationCenter * __weak center = NSNotificationCenter.defaultCenter;
self.progressToken = [center addObserverForName:HBQueueProgressNotification
object:nil
queue:NSOperationQueue.mainQueue usingBlock:^(NSNotification * _Nonnull note)
{
NSString *progressInfo = note.userInfo[HBQueueProgressNotificationInfoKey];
double progress = [note.userInfo[HBQueueProgressNotificationPercentKey] doubleValue];
self.progressField.stringValue = progressInfo;
self.progressBar.doubleValue = progress;
}];
self.completedToken = [center addObserverForName:HBQueueDidCompleteItemNotification
object:nil
queue:NSOperationQueue.mainQueue usingBlock:^(NSNotification * _Nonnull note)
{
HBQueueItem *completedItem = note.userInfo[HBQueueItemNotificationItemKey];
if (completedItem == self.item) {
[self removeObservers];
}
}];
self.progressField.font = [NSFont monospacedDigitSystemFontOfSize:NSFont.smallSystemFontSize weight:NSFontWeightRegular];
}
- (void)removeObservers
{
if (self.progressToken)
{
[NSNotificationCenter.defaultCenter removeObserver:self.progressToken];
self.progressToken = nil;
}
if (self.completedToken)
{
[NSNotificationCenter.defaultCenter removeObserver:self.completedToken];
self.completedToken = nil;
}
}
- (void)dealloc
{
[self removeObservers];
}
- (void)setItem:(HBQueueItem *)item
{
[super setItem:item];
[self removeObservers];
if (item.state == HBQueueItemStateWorking)
{
[self setUpObservers];
}
}
@end
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