1 files changed, 100 insertions, 0 deletions

diff --git a/Frameworks/PSMTabBar/PSMTabDragAssistant.h b/Frameworks/PSMTabBar/PSMTabDragAssistant.h
new file mode 100644
index 00000000..07703b7d
--- /dev/null
+++ b/Frameworks/PSMTabBar/PSMTabDragAssistant.h
@@ -0,0 +1,100 @@
+//
+//  PSMTabDragAssistant.h
+//  PSMTabBarControl
+//
+//  Created by John Pannell on 4/10/06.
+//  Copyright 2006 Positive Spin Media. All rights reserved.
+//
+
+/*
+ This class is a sigleton that manages the details of a tab drag and drop.  The details were beginning to overwhelm me when keeping all of this in the control and cells :-)
+ */
+
+#import <Cocoa/Cocoa.h>
+#import "PSMTabBarControl.h"
+
+#define kPSMTabDragAnimationSteps 8
+
+@class PSMTabBarCell, PSMTabDragWindowController;
+
+@interface PSMTabDragAssistant : NSObject {
+    PSMTabBarControl            *_sourceTabBar;
+    PSMTabBarControl            *_destinationTabBar;
+    NSMutableSet                *_participatingTabBars;
+    PSMTabBarCell               *_draggedCell;
+    NSInteger                         _draggedCellIndex;   // for snap back
+    BOOL                        _isDragging;
+	
+	// Support for dragging into new windows
+	PSMTabDragWindowController	*_draggedTab, *_draggedView;
+	NSSize						_dragWindowOffset;
+	NSTimer						*_fadeTimer;
+	BOOL						_centersDragWindows;
+	PSMTabBarTearOffStyle		_currentTearOffStyle;
+	
+    // Animation
+    NSTimer                     *_animationTimer;
+    NSMutableArray              *_sineCurveWidths;
+    NSPoint                     _currentMouseLoc;
+    PSMTabBarCell               *_targetCell;
+}
+
+// Creation/destruction
++ (PSMTabDragAssistant *)sharedDragAssistant;
+
+// Accessors
+- (PSMTabBarControl *)sourceTabBar;
+- (void)setSourceTabBar:(PSMTabBarControl *)tabBar;
+- (PSMTabBarControl *)destinationTabBar;
+- (void)setDestinationTabBar:(PSMTabBarControl *)tabBar;
+- (PSMTabBarCell *)draggedCell;
+- (void)setDraggedCell:(PSMTabBarCell *)cell;
+- (NSInteger)draggedCellIndex;
+- (void)setDraggedCellIndex:(NSInteger)value;
+- (BOOL)isDragging;
+- (void)setIsDragging:(BOOL)value;
+- (NSPoint)currentMouseLoc;
+- (void)setCurrentMouseLoc:(NSPoint)point;
+- (PSMTabBarCell *)targetCell;
+- (void)setTargetCell:(PSMTabBarCell *)cell;
+
+// Functionality
+- (void)startDraggingCell:(PSMTabBarCell *)cell fromTabBar:(PSMTabBarControl *)control withMouseDownEvent:(NSEvent *)event;
+- (void)draggingEnteredTabBar:(PSMTabBarControl *)control atPoint:(NSPoint)mouseLoc;
+- (void)draggingUpdatedInTabBar:(PSMTabBarControl *)control atPoint:(NSPoint)mouseLoc;
+- (void)draggingExitedTabBar:(PSMTabBarControl *)control;
+- (void)performDragOperation;
+- (void)draggedImageEndedAt:(NSPoint)aPoint operation:(NSDragOperation)operation;
+- (void)finishDrag;
+
+- (void)draggingBeganAt:(NSPoint)aPoint;
+- (void)draggingMovedTo:(NSPoint)aPoint;
+
+// Animation
+- (void)animateDrag:(NSTimer *)timer;
+- (void)calculateDragAnimationForTabBar:(PSMTabBarControl *)control;
+
+// Placeholder
+- (void)distributePlaceholdersInTabBar:(PSMTabBarControl *)control withDraggedCell:(PSMTabBarCell *)cell;
+- (void)distributePlaceholdersInTabBar:(PSMTabBarControl *)control;
+- (void)removeAllPlaceholdersFromTabBar:(PSMTabBarControl *)control;
+
+@end
+
+@interface PSMTabBarControl (DragAccessors)
+
+- (id<PSMTabStyle>)style;
+- (NSMutableArray *)cells;
+- (void)setControlView:(id)view;
+- (id)cellForPoint:(NSPoint)point cellFrame:(NSRectPointer)outFrame;
+- (PSMTabBarCell *)lastVisibleTab;
+- (NSInteger)numberOfVisibleTabs;
+
+@end
+
+void CGContextCopyWindowCaptureContentsToRect(void *grafport, CGRect rect, NSInteger cid, NSInteger wid, NSInteger zero);
+OSStatus CGSSetWindowTransform(NSInteger cid, NSInteger wid, CGAffineTransform transform); 
+
+@interface NSApplication (CoreGraphicsUndocumented)
+- (NSInteger)contextID;
+@end