//
//  MWPhotoBrowser.h
//  MWPhotoBrowser
//
//  Created by Michael Waterfall on 14/10/2010.
//  Copyright 2010 d3i. All rights reserved.
//

#import <UIKit/UIKit.h>
#import <MediaPlayer/MediaPlayer.h>
#import <AVKit/AVKit.h>
#import "MWPhoto.h"
#import "MWPhotoProtocol.h"
#import "MWCaptionView.h"

// Debug Logging
#if 0 // Set to 1 to enable debug logging
#define MWLog(x, ...) NSLog(x, ## __VA_ARGS__);
#else
#define MWLog(x, ...)
#endif

@class MWPhotoBrowser;

@protocol MWPhotoBrowserDelegate <NSObject>

- (NSUInteger)numberOfPhotosInPhotoBrowser:(MWPhotoBrowser *)photoBrowser;
- (id <MWPhoto>)photoBrowser:(MWPhotoBrowser *)photoBrowser photoAtIndex:(NSUInteger)index;

@optional

- (MWCaptionView *)photoBrowser:(MWPhotoBrowser *)photoBrowser captionViewForPhotoAtIndex:(NSUInteger)index;
- (NSString *)photoBrowser:(MWPhotoBrowser *)photoBrowser titleForPhotoAtIndex:(NSUInteger)index;
- (void)photoBrowser:(MWPhotoBrowser *)photoBrowser didDisplayPhotoAtIndex:(NSUInteger)index;
- (void)photoBrowser:(MWPhotoBrowser *)photoBrowser actionButtonPressedForPhotoAtIndex:(NSUInteger)index;
- (void)photoBrowser:(MWPhotoBrowser *)photoBrowser shareButtonPressedForPhotoAtIndex:(NSUInteger)index;
- (void)photoBrowser:(MWPhotoBrowser *)photoBrowser deleteButtonPressedForPhotoAtIndex:(NSUInteger)index deleteButton:(UIBarButtonItem *)deleteButton;
- (BOOL)photoBrowser:(MWPhotoBrowser *)photoBrowser isPhotoSelectedAtIndex:(NSUInteger)index;
- (void)photoBrowser:(MWPhotoBrowser *)photoBrowser photoAtIndex:(NSUInteger)index selectedChanged:(BOOL)selected;
- (void)photoBrowserDidFinishPresentation:(MWPhotoBrowser *)photoBrowser;

- (void)setControlsHidden:(BOOL)hidden animated:(BOOL)animated permanent:(BOOL)permanent;

@end

@interface MWPhotoBrowser : UIViewController <UIScrollViewDelegate, UIActionSheetDelegate>

@property (nonatomic, weak) IBOutlet id<MWPhotoBrowserDelegate> delegate;
@property (nonatomic) BOOL zoomPhotosToFill;
@property (nonatomic) BOOL displayNavArrows;
@property (nonatomic) BOOL displayActionButton;
@property (nonatomic) BOOL displayShareButton;      //TWS
@property (nonatomic) BOOL displayDeleteButton;     //TWS
@property (nonatomic) BOOL displaySelectionButtons;
@property (nonatomic) BOOL displayPopoverButton;    //TWS
@property (nonatomic) BOOL alwaysShowControls;
@property (nonatomic) BOOL enableSwipeToDismiss;
@property (nonatomic) BOOL autoPlayOnAppear;
@property (nonatomic) NSUInteger delayToHideElements;
@property (nonatomic, readonly) NSUInteger currentIndex;

// Customise image selection icons as they are the only icons with a colour tint
// Icon should be located in the app's main bundle
@property (nonatomic, strong) NSString *customImageSelectedIconName;
@property (nonatomic, strong) NSString *customImageSelectedSmallIconName;

@property (nonatomic, strong) UIBarButtonItem *previousButton, *nextButton, *actionButton, *doneButton, *popoverButton, *deleteButton, *shareButton; //TWS

//TWS Navigation & controls
@property (nonatomic, strong) UIToolbar *toolbar;

// Video
@property (nonatomic, strong) AVPlayer *currentVideoPlayer;

// Init
- (id)initWithPhotos:(NSArray *)photosArray;
- (id)initWithDelegate:(id <MWPhotoBrowserDelegate>)delegate;

// Reloads the photo browser and refetches data
- (void)reloadData;

// Set page that photo browser starts on
- (void)setCurrentPhotoIndex:(NSUInteger)index;

// Navigation
- (void)showNextPhotoAnimated:(BOOL)animated;
- (void)showPreviousPhotoAnimated:(BOOL)animated;

- (void)hideControls;
- (void)showControls;

@end