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#import "PhotoSource.h"
@implementation PhotoSource
@synthesize title = _title;
///////////////////////////////////////////////////////////////////////////////////////////////////
// private
- (void)fakeLoadReady {
_fakeLoadTimer = nil;
if (_type & PhotoSourceLoadError) {
[_delegates perform: @selector(model:didFailLoadWithError:)
withObject: self
withObject: nil];
} else {
NSMutableArray* newPhotos = [NSMutableArray array];
for (int i = 0; i < _photos.count; ++i) {
id<TTPhoto> photo = [_photos objectAtIndex:i];
if ((NSNull*)photo != [NSNull null]) {
[newPhotos addObject:photo];
}
}
[newPhotos addObjectsFromArray:_tempPhotos];
TT_RELEASE_SAFELY(_tempPhotos);
[_photos release];
_photos = [newPhotos retain];
for (int i = 0; i < _photos.count; ++i) {
id<TTPhoto> photo = [_photos objectAtIndex:i];
if ((NSNull*)photo != [NSNull null]) {
photo.photoSource = self;
photo.index = i;
}
}
[_delegates perform:@selector(modelDidFinishLoad:) withObject:self];
}
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// NSObject
- (id)initWithType:(PhotoSourceType)type title:(NSString*)title photos:(NSArray*)photos
photos2:(NSArray*)photos2 {
if (self = [super init]) {
_type = type;
_title = [title copy];
_photos = photos2 ? [photos mutableCopy] : [[NSMutableArray alloc] init];
_tempPhotos = photos2 ? [photos2 retain] : [photos retain];
_fakeLoadTimer = nil;
for (int i = 0; i < _photos.count; ++i) {
id<TTPhoto> photo = [_photos objectAtIndex:i];
if ((NSNull*)photo != [NSNull null]) {
photo.photoSource = self;
photo.index = i;
}
}
if (!(_type & PhotoSourceDelayed || photos2)) {
[self performSelector:@selector(fakeLoadReady)];
}
}
return self;
}
- (id)init {
return [self initWithType:PhotoSourceNormal title:nil photos:nil photos2:nil];
}
- (void)dealloc {
[_fakeLoadTimer invalidate];
TT_RELEASE_SAFELY(_photos);
TT_RELEASE_SAFELY(_tempPhotos);
TT_RELEASE_SAFELY(_title);
[super dealloc];
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// TTModel
- (BOOL)isLoading {
return !!_fakeLoadTimer;
}
- (BOOL)isLoaded {
return !!_photos;
}
- (void)load:(TTURLRequestCachePolicy)cachePolicy more:(BOOL)more {
if (cachePolicy & TTURLRequestCachePolicyNetwork) {
[_delegates perform:@selector(modelDidStartLoad:) withObject:self];
TT_RELEASE_SAFELY(_photos);
_fakeLoadTimer = [NSTimer scheduledTimerWithTimeInterval:2 target:self
selector:@selector(fakeLoadReady) userInfo:nil repeats:NO];
}
}
- (void)cancel {
[_fakeLoadTimer invalidate];
_fakeLoadTimer = nil;
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// TTPhotoSource
- (NSInteger)numberOfPhotos {
if (_tempPhotos) {
return _photos.count + (_type & PhotoSourceVariableCount ? 0 : _tempPhotos.count);
} else {
return _photos.count;
}
}
- (NSInteger)maxPhotoIndex {
return _photos.count-1;
}
- (id<TTPhoto>)photoAtIndex:(NSInteger)photoIndex {
if (photoIndex < _photos.count) {
id photo = [_photos objectAtIndex:photoIndex];
if (photo == [NSNull null]) {
return nil;
} else {
return photo;
}
} else {
return nil;
}
}
@end
///////////////////////////////////////////////////////////////////////////////////////////////////
@implementation Photo
@synthesize photoSource = _photoSource, size = _size, index = _index, caption = _caption;
///////////////////////////////////////////////////////////////////////////////////////////////////
// NSObject
- (id)initWithURL:(NSString*)URL smallURL:(NSString*)smallURL size:(CGSize)size {
return [self initWithURL:URL smallURL:smallURL size:size caption:nil];
}
- (id)initWithURL:(NSString*)URL smallURL:(NSString*)smallURL size:(CGSize)size
caption:(NSString*)caption {
if (self = [super init]) {
_photoSource = nil;
_URL = [URL copy];
_smallURL = [smallURL copy];
_thumbURL = [smallURL copy];
_size = size;
_caption = [caption copy];
_index = NSIntegerMax;
}
return self;
}
- (void)dealloc {
TT_RELEASE_SAFELY(_URL);
TT_RELEASE_SAFELY(_smallURL);
TT_RELEASE_SAFELY(_thumbURL);
TT_RELEASE_SAFELY(_caption);
[super dealloc];
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// TTPhoto
- (NSString*)URLForVersion:(TTPhotoVersion)version {
if (version == TTPhotoVersionLarge) {
return _URL;
} else if (version == TTPhotoVersionMedium) {
return _URL;
} else if (version == TTPhotoVersionSmall) {
return _smallURL;
} else if (version == TTPhotoVersionThumbnail) {
return _thumbURL;
} else {
return nil;
}
}
@end
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