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//
// HBQueueDockTileController.m
// HandBrake
//
// Created by Damiano Galassi on 09/04/2020.
// Copyright © 2020 HandBrake. All rights reserved.
//
#import "HBQueueDockTileController.h"
#import "HBDockTile.h"
#import "HBQueue.h"
#define dockTileUpdateFrequency 0.1f
@interface HBQueueDockTileController ()
@property (nonatomic, readonly) HBQueue *queue;
@property (nonatomic, readonly) HBDockTile *dockTile;
@property (nonatomic) double progress;
@property (nonatomic) id observerToken;
@end
@implementation HBQueueDockTileController
- (instancetype)initWithQueue:(HBQueue *)queue dockTile:(id)dockTile image:(NSImage *)image
{
self = [super init];
if (self)
{
_queue = queue;
_dockTile = [[HBDockTile alloc] initWithDockTile:dockTile image:image];
[NSNotificationCenter.defaultCenter addObserverForName:HBQueueDidStartItemNotification
object:_queue queue:NSOperationQueue.mainQueue
usingBlock:^(NSNotification * _Nonnull note) { [self setUpObservers]; }];
[NSNotificationCenter.defaultCenter addObserverForName:HBQueueDidCompleteItemNotification
object:_queue queue:NSOperationQueue.mainQueue
usingBlock:^(NSNotification * _Nonnull note) { [self setUpObservers]; }];
[NSNotificationCenter.defaultCenter addObserverForName:HBQueueDidChangeStateNotification
object:_queue queue:NSOperationQueue.mainQueue
usingBlock:^(NSNotification * _Nonnull note) { [self setUpObservers]; }];
[NSNotificationCenter.defaultCenter addObserverForName:HBQueueDidCompleteNotification
object:_queue queue:NSOperationQueue.mainQueue
usingBlock:^(NSNotification * _Nonnull note) { self.dockTile.stringValue = @""; }];
}
return self;
}
- (void)setUpObservers
{
[self removeObservers];
if (self->_queue.workingItemsCount > 1)
{
[self setUpForMultipleWorkers];
}
else if (self->_queue.workingItemsCount == 1)
{
[self setUpForSingleWorker];
}
}
- (void)setUpForMultipleWorkers
{
self.dockTile.stringValue = [NSString stringWithFormat:@"%lu - %lu", self.queue.workingItemsCount, self.queue.pendingItemsCount];
self.progress = 0;
}
- (void)setUpForSingleWorker
{
self.progress = 0;
HBQueueItem *firstWorkingItem = nil;
for (HBQueueItem *item in self.queue.items)
{
if (item.state == HBQueueItemStateWorking)
{
firstWorkingItem = item;
break;
}
}
if (firstWorkingItem)
{
HBQueueWorker *worker = [self.queue workerForItem:firstWorkingItem];
if (worker)
{
self.observerToken = [NSNotificationCenter.defaultCenter addObserverForName:HBQueueWorkerProgressNotification
object:worker queue:NSOperationQueue.mainQueue
usingBlock:^(NSNotification * _Nonnull note) {
double progress = [note.userInfo[HBQueueWorkerProgressNotificationPercentKey] doubleValue];
if (self.progress < 100.0 * progress)
{
double hours = [note.userInfo[HBQueueWorkerProgressNotificationHoursKey] doubleValue];
double minutes = [note.userInfo[HBQueueWorkerProgressNotificationMinutesKey] doubleValue];
double seconds = [note.userInfo[HBQueueWorkerProgressNotificationSecondsKey] doubleValue];
[self.dockTile setProgress:progress hours:hours minutes:minutes seconds:seconds];
self.progress += dockTileUpdateFrequency;
}
}];
}
}
}
- (void)removeObservers
{
if (self.observerToken)
{
[NSNotificationCenter.defaultCenter removeObserver:self.observerToken];
self.observerToken = nil;
}
}
@end
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