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//
// Copyright 2009-2011 Facebook
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// UI
#import "Three20UI/TTModelViewController.h"
#import "Three20UI/TTScrollViewDelegate.h"
#import "Three20UI/TTScrollViewDataSource.h"
#import "Three20UI/TTThumbsViewControllerDelegate.h"
@protocol TTPhotoSource;
@class TTScrollView;
@class TTPhotoView;
@class TTStyle;
@interface TTPhotoViewController : TTModelViewController <
TTScrollViewDelegate,
TTScrollViewDataSource,
TTThumbsViewControllerDelegate
> {
id<TTPhoto> _centerPhoto;
NSInteger _centerPhotoIndex;
UIView* _innerView;
TTScrollView* _scrollView;
TTPhotoView* _photoStatusView;
UIToolbar* _toolbar;
UIBarButtonItem* _nextButton;
UIBarButtonItem* _previousButton;
TTStyle* _captionStyle;
UIImage* _defaultImage;
NSString* _statusText;
NSTimer* _slideshowTimer;
NSTimer* _loadTimer;
BOOL _delayLoad;
TTThumbsViewController* _thumbsController;
id<TTPhotoSource> _photoSource;
}
/**
* The source of a sequential photo collection that will be displayed.
*/
@property (nonatomic, retain) id<TTPhotoSource> photoSource;
/**
* The photo that is currently visible and centered.
*
* You can assign this directly to change the photoSource to the one that contains the photo.
*/
@property (nonatomic, retain) id<TTPhoto> centerPhoto;
/**
* The index of the currently visible photo.
*
* Because centerPhoto can be nil while waiting for the source to load the photo, this property
* must be maintained even though centerPhoto has its own index property.
*/
@property (nonatomic, readonly) NSInteger centerPhotoIndex;
/**
* The default image to show before a photo has been loaded.
*/
@property (nonatomic, retain) UIImage* defaultImage;
/**
* The style to use for the caption label.
*/
@property (nonatomic, retain) TTStyle* captionStyle;
- (id)initWithPhoto:(id<TTPhoto>)photo;
- (id)initWithPhotoSource:(id<TTPhotoSource>)photoSource;
/**
* Creates a photo view for a new page.
*
* Do not call this directly. It is meant to be overriden by subclasses.
*/
- (TTPhotoView*)createPhotoView;
/**
* Creates the thumbnail controller used by the "See All" button.
*
* Do not call this directly. It is meant to be overriden by subclasses.
*/
- (TTThumbsViewController*)createThumbsViewController;
/**
* Sent to the controller after it moves from one photo to another.
*/
- (void)didMoveToPhoto:(id<TTPhoto>)photo fromPhoto:(id<TTPhoto>)fromPhoto;
/**
* Shows or hides an activity label on top of the photo.
*/
- (void)showActivity:(NSString*)title;
@end
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