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AppDelegate.m
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AppDelegate.m
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//
// AppDelegate.m
// Perpetual
//
// Created by Kalle Persson on 2/14/12.
// Copyright (c) 2012 Afonso Wilsson. All rights reserved.
//
#import "AppDelegate.h"
#import "INAppStoreWindow.h"
#import <CoreAudio/CoreAudio.h>
#import <QTKit/QTKit.h>
#import <WebKit/WebKit.h>
@implementation AppDelegate
@synthesize window = _window;
@synthesize startSlider = _startSlider;
@synthesize endSlider = _endSlider;
@synthesize currentTimeLabel = _currentTimeLabel;
@synthesize currentTimeBar = _currentTimeBar;
@synthesize playButton = _playButton;
@synthesize currentTrackLabel = _currentTrackLabel;
@synthesize loopCountLabel = _loopCountLabel;
@synthesize loopCountStepper = _loopCountStepper;
@synthesize coverWebView = _coverWebView;
@synthesize loopCount = _loopCount;
@synthesize loopInfiniteCount = _loopInfiniteCount;
@synthesize timeScale = _timeScale;
@synthesize startTime = _startTime;
@synthesize endTime = _endTime;
@synthesize currentTime = _currentTime;
@synthesize music = _music;
@synthesize paused = _paused;
-(void) setTheLoopCount:(int)theLoopCount
{
// Sets the property and updates the label.
[self setLoopCount:theLoopCount];
if ([self loopCount] < [self loopInfiniteCount]) {
[self.loopCountLabel setStringValue:[NSString stringWithFormat:@"x%d",self.loopCount]];
}
else {
[self.loopCountLabel setStringValue:@"∞"];
}
// Finally update the stepper so it's synchronized.
[self.loopCountStepper setIntValue:[self loopCount]];
}
- (void)applicationDidFinishLaunching:(NSNotification *)aNotification
{
[[self window] setTitleBarHeight:40.0];
[[self window] setTrafficLightButtonsLeftMargin:7.0];
// - NOOP -
// Implements a very crude NSSegmentControl, used to switch between the album view
// of the track currently opened and the listening statistics for that track.
NSView *titleBarView = [[self window] titleBarView];
NSSize switcherSize = NSMakeSize(100.f, 30.f);
NSRect switcherFrame = NSMakeRect(NSMidX([titleBarView bounds]) - (switcherSize.width / 2.f), NSMidY([titleBarView bounds]) - (switcherSize.height / 2.f), switcherSize.width, switcherSize.height);
NSSegmentedControl *switcher = [[NSSegmentedControl alloc] initWithFrame:switcherFrame];
[switcher setSegmentCount:2];
[switcher setSegmentStyle:NSSegmentStyleTexturedRounded];
[switcher setLabel:@"Music" forSegment:0];
[switcher setLabel:@"Statistics" forSegment:1];
[switcher setSelectedSegment:0];
[switcher setEnabled:FALSE forSegment:1]; // Disables the statistics segment.
[[switcher cell] setTrackingMode:NSSegmentSwitchTrackingSelectOne];
[titleBarView addSubview:switcher];
// Basic implementation of the default loop count.
// Infinity = 31 until further notice.
[self setLoopInfiniteCount:31];
[self setTheLoopCount:10];
[[self loopCountStepper] setMaxValue:(double)[self loopInfiniteCount]];
}
-(void) checkTime:(NSTimer*)theTimer
{
self.currentTime = [self.music currentTime];
if (self.currentTime.timeValue >= self.endTime.timeValue && self.startTime.timeValue < self.endTime.timeValue && [self loopCount] > 0){
if ([self loopCount] < [self loopInfiniteCount]) {
// [self loopInfiniteCount] is the magic infinite number.
[self setTheLoopCount:[self loopCount]-1];
}
[self.music setCurrentTime:self.startTime];
}
NSCalendar *sysCalendar = [NSCalendar currentCalendar];
NSDate *date1 = [[NSDate alloc] init];
NSDate *date2 = [[NSDate alloc] initWithTimeInterval:self.currentTime.timeValue/self.timeScale sinceDate:date1];
unsigned int unitFlags = NSMinuteCalendarUnit | NSSecondCalendarUnit;
NSDateComponents *conversionInfo = [sysCalendar components:unitFlags fromDate:date1 toDate:date2 options:0];
[self.currentTimeLabel setStringValue:[NSString stringWithFormat:@"%02d:%02d",[conversionInfo minute],[conversionInfo second]]];
[self.currentTimeBar setFloatValue:(float)self.currentTime.timeValue];
}
- (void)loadMusic:(NSURL *) fileURL
{
// Load the track from URL.
// TODO: Error handling.
self.music = [[QTMovie alloc] initWithURL:fileURL error:nil];
//Really needed anymore?
self.paused = YES;
// Find and set slider max values.
QTTime maxTime = [self.music duration];
self.timeScale = [self.music duration].timeScale;
float maxValue = (float)maxTime.timeValue;
self.startTime = QTMakeTime(0.0, self.timeScale);
self.endTime = maxTime;
[self.currentTimeBar setMaxValue:maxValue];
[self.startSlider setMaxValue:maxValue];
[self.startSlider setFloatValue:0.0];
[self.endSlider setMaxValue:maxValue];
[self.endSlider setFloatValue:maxValue];
[self.startSlider setNumberOfTickMarks:(int) maxValue/self.timeScale];
[self.endSlider setNumberOfTickMarks:(int) maxValue/self.timeScale];
// Set title and artist labels from.
NSString * trackTitle = @"Unknown title";
NSString * trackArtist = @"Unknown artist";
NSArray * mdFormatsArray = [self.music availableMetadataFormats];
for (int i=0;i<[mdFormatsArray count];i++) {
NSArray * mdArray = [self.music metadataForFormat:[mdFormatsArray objectAtIndex:i]];
// Fixme: find out why we need to replace @ with ©.
NSArray * titleMetadataItems = [QTMetadataItem metadataItemsFromArray:mdArray withKey:[QTMetadataiTunesMetadataKeySongName stringByReplacingOccurrencesOfString:@"@" withString:@"©"] keySpace:nil];
if ([titleMetadataItems count] > 0) {
trackTitle = [[titleMetadataItems objectAtIndex:0] stringValue];
}
// Fixme: find out why we need to replace @ with ©.
NSArray * artistMetadataItems = [QTMetadataItem metadataItemsFromArray:mdArray withKey:[QTMetadataiTunesMetadataKeyArtist stringByReplacingOccurrencesOfString:@"@" withString:@"©"] keySpace:nil];
if ([artistMetadataItems count] > 0) {
trackArtist = [[artistMetadataItems objectAtIndex:0] stringValue];
}
}
[self.currentTrackLabel setStringValue:[NSString stringWithFormat:@"%@\n%@",trackTitle,trackArtist]];
// Start loop and play track.
[NSTimer scheduledTimerWithTimeInterval:0.1 target:self selector:@selector(checkTime:) userInfo:nil repeats:YES];
}
- (IBAction)startSliderSet:(id)sender
{
if ([self.startSlider doubleValue] < (float)self.endTime.timeValue) {
self.startTime = QTMakeTime((long)[self.startSlider doubleValue], self.timeScale);
}
else {
[self.startSlider setFloatValue:(float)self.startTime.timeValue];
}
}
- (IBAction)endSliderSet:(id)sender
{
if ([self.endSlider doubleValue] > (float)self.startTime.timeValue) {
self.endTime = QTMakeTime((long)[self.endSlider doubleValue], self.timeScale);
}
else {
[self.endSlider setFloatValue:(float)self.endTime.timeValue];
}
}
- (IBAction)currentTimeBarSet:(id)sender
{
NSTimeInterval ct = [self.currentTimeBar doubleValue];
[self.music setCurrentTime:QTMakeTime((long)ct, self.timeScale)];
}
- (IBAction)playButtonClick:(id)sender
{
if (!self.paused) {
[self.music stop];
self.paused = YES;
}
else {
[self.music play];
self.paused = NO;
}
}
- (IBAction)loopStepperStep:(id)sender
{
[self setTheLoopCount:[self.loopCountStepper intValue]];
}
- (BOOL)application:(NSApplication *)sender openFile:(NSString *)filename
{
[self.music stop];
NSURL *fileURL = [NSURL fileURLWithPath:filename];
if (fileURL == nil)
return NO; //make me smarter
[self loadMusic:fileURL];
return YES;
}
@end