/*

File: BoardView.h

Abstract: NSView that hosts a game.

Version: 1.0

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*/

#import <Cocoa/Cocoa.h>

@class Bit, Card, Grid, Game;

@protocol BitHolder;

/** NSView that hosts a game. */

@interface BoardView : NSView

{

    @private

    Game *_game;                                // Current Game

    CALayer *_gameboard;                        // Game's main layer

    // Used during mouse-down tracking:

    NSPoint _dragStartPos;                      // Starting position of mouseDown

    Bit *_dragBit;                              // Bit being dragged

    id<BitHolder> _oldHolder;                   // Bit's original holder

    CALayer *_oldSuperlayer;                    // Bit's original superlayer

    int _oldLayerIndex;                         // Bit's original index in _oldSuperlayer.layers

    CGPoint _oldPos;                            // Bit's original x/y position

    CGPoint _dragOffset;                        // Offset of mouse position from _dragBit's origin

    BOOL _dragMoved;                            // Has the mouse moved more than 3 pixels since mouseDown?

    id<BitHolder> _dropTarget;                  // Current BitHolder the cursor is over

    // Used while handling incoming drags:

    CALayer *_viewDropTarget;                   // Current drop target during an incoming drag-n-drop

    NSDragOperation _viewDropOp;                // Current drag operation

}

- (void) startGameNamed: (NSString*)gameClassName;

- (IBAction) enterFullScreen: (id)sender;

@property (readonly) Game *game;

@property (readonly) CALayer *gameboard;

- (CGRect) gameBoardFrame;

@end