#import "Three20/TTModelViewController.h"
#import "Three20/TTTextEditor.h"
 
@protocol TTTableViewDataSource, TTMessageControllerDelegate;
@class TTPickerTextField, TTActivityLabel;
 
@interface TTMessageController : TTViewController <UITextFieldDelegate, TTTextEditorDelegate> {
  id<TTMessageControllerDelegate> _delegate;
  id<TTTableViewDataSource> _dataSource;
  NSArray* _fields;
  NSMutableArray* _fieldViews;
  UIScrollView* _scrollView;
  TTTextEditor* _textEditor;
  TTActivityLabel* _activityView;
  NSArray* _initialRecipients;
  BOOL _showsRecipientPicker;
  BOOL _isModified;
}
 
@property(nonatomic,assign) id<TTMessageControllerDelegate> delegate;
@property(nonatomic,retain) id<TTTableViewDataSource> dataSource;
@property(nonatomic,retain) NSArray* fields;
@property(nonatomic,retain) NSString* subject;
@property(nonatomic,retain) NSString* body;
@property(nonatomic) BOOL showsRecipientPicker;
@property(nonatomic,readonly) BOOL isModified;
 
- (id)initWithRecipients:(NSArray*)recipients;
 
- (void)addRecipient:(id)recipient forFieldAtIndex:(NSUInteger)fieldIndex;
 
- (NSString*)textForFieldAtIndex:(NSUInteger)fieldIndex;
- (void)setText:(NSString*)text forFieldAtIndex:(NSUInteger)fieldIndex;
 
- (BOOL)fieldHasValueAtIndex:(NSUInteger)fieldIndex;
- (UIView*)viewForFieldAtIndex:(NSUInteger)fieldIndex;
 
- (void)showActivityView:(BOOL)show;
 
- (NSString*)titleForSending;
 
/**
 * Tells the delegate to send the message.
 */
- (void)send;
 
/**
 * Cancel the message, but confirm first with the user if necessary.
 */
- (void)cancel:(BOOL)confirmIfNecessary;
 
/**
 * Confirms with the user that it is ok to cancel.
 */
- (void)confirmCancellation;
 
/**
 *
 */
- (void)messageWillSend:(NSArray*)fields;
 
/**
 * The user touched the recipient picker button.
 */
- (void)messageWillShowRecipientPicker;
 
/**
 *
 */
- (void)messageDidSend;
 
/**
 * Determines if the message should cancel without confirming with the user.
 */
- (BOOL)messageShouldCancel;
 
@end
 
///////////////////////////////////////////////////////////////////////////////////////////////////
 
@protocol TTMessageControllerDelegate <NSObject>
 
@optional
 
- (void)composeController:(TTMessageController*)controller didSendFields:(NSArray*)fields;
 
- (void)composeControllerWillCancel:(TTMessageController*)controller;
 
- (void)composeControllerShowRecipientPicker:(TTMessageController*)controller;
 
@end
 
///////////////////////////////////////////////////////////////////////////////////////////////////
 
@interface TTMessageField : NSObject {
  NSString* _title;
  BOOL _required;
} 
 
@property(nonatomic,copy) NSString* title;
@property(nonatomic) BOOL required;
 
- (id)initWithTitle:(NSString*)title required:(BOOL)required;
 
@end
 
@interface TTMessageRecipientField : TTMessageField {
  NSArray* _recipients;
} 
 
@property(nonatomic,retain) NSArray* recipients;
 
@end
 
@interface TTMessageTextField : TTMessageField {
  NSString* _text;
} 
 
@property(nonatomic,copy) NSString* text;
 
@end
 
@interface TTMessageSubjectField : TTMessageTextField
 
@end