Moving GraphicsContext and dependencies from core to platform.

Source/core/platform/mac/NSScrollerImpDetails.h

-/*
- * Copyright (C) 2011 Apple Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef WebCore_NSScrollerImpDetails_h
-#define WebCore_NSScrollerImpDetails_h
-
-#import <AvailabilityMacros.h>
-
-// Public APIs not available on versions of Mac on which we build
-#if __MAC_OS_X_VERSION_MAX_ALLOWED == 1060
-enum {
-    NSScrollerStyleLegacy       = 0,
-    NSScrollerStyleOverlay      = 1
-};
-typedef NSInteger NSScrollerStyle;
-
-enum {
-    NSScrollerKnobStyleDefault = 0,
-    NSScrollerKnobStyleDark = 1,
-    NSScrollerKnobStyleLight = 2
-};
-typedef NSInteger NSScrollerKnobStyle;
-#endif
-
-#if __MAC_OS_X_VERSION_MAX_ALLOWED == 1060
-@interface NSScroller(NSObject)
-+ (NSScrollerStyle)preferredScrollerStyle;
-@end
-#endif
-
-@interface NSObject (ScrollbarPainter)
-+ (id)scrollerImpWithStyle:(NSScrollerStyle)newScrollerStyle controlSize:(NSControlSize)newControlSize horizontal:(BOOL)horizontal replacingScrollerImp:(id)previous;
-- (CGFloat)knobAlpha;
-- (void)setKnobAlpha:(CGFloat)knobAlpha;
-- (CGFloat)trackAlpha;
-- (void)setTrackAlpha:(CGFloat)trackAlpha;
-- (void)setEnabled:(BOOL)enabled;
-- (void)setBoundsSize:(NSSize)boundsSize;
-- (void)setDoubleValue:(double)doubleValue;
-- (void)setKnobProportion:(CGFloat)proportion;
-- (void)setKnobStyle:(NSScrollerKnobStyle)knobStyle;
-- (void)setExpanded:(BOOL)expanded;
-- (BOOL)isExpanded;
-- (void)setDelegate:(id)delegate;
-- (void)setUiStateTransitionProgress:(CGFloat)uiStateTransitionProgress;
-- (void)setExpansionTransitionProgress:(CGFloat)expansionTransitionProgress;
-- (BOOL)isHorizontal;
-- (CGFloat)trackWidth;
-- (CGFloat)trackBoxWidth;
-- (CGFloat)knobMinLength;
-- (CGFloat)trackOverlapEndInset;
-- (CGFloat)knobOverlapEndInset;
-- (CGFloat)trackEndInset;
-- (CGFloat)knobEndInset;
-- (CGFloat)uiStateTransitionProgress;
-- (CGFloat)expansionTransitionProgress;
-- (NSRect)rectForPart:(NSScrollerPart)partCode;
-- (void)drawKnobSlotInRect:(NSRect)slotRect highlight:(BOOL)flag alpha:(CGFloat)alpha;
-- (void)drawKnob;
-- (void)mouseEnteredScroller;
-- (void)mouseExitedScroller;
-@end
-
-@interface NSObject (ScrollbarPainterController)
-- (void)setDelegate:(id)delegate;
-- (void)hideOverlayScrollers;
-- (void)flashScrollers;
-- (id)horizontalScrollerImp;
-- (void)setHorizontalScrollerImp:(id)horizontal;
-- (id)verticalScrollerImp;
-- (void)setVerticalScrollerImp:(id)vertical;
-- (NSScrollerStyle)scrollerStyle;
-- (void)setScrollerStyle:(NSScrollerStyle)scrollerStyle;
-- (void)contentAreaScrolled;
-- (void)contentAreaScrolledInDirection:(NSPoint)direction;
-- (void)contentAreaWillDraw;
-- (void)mouseEnteredContentArea;
-- (void)mouseExitedContentArea;
-- (void)mouseMovedInContentArea;
-- (void)startLiveResize;
-- (void)contentAreaDidResize;
-- (void)endLiveResize;
-- (void)windowOrderedIn;
-- (void)windowOrderedOut;
-- (void)beginScrollGesture;
-- (void)endScrollGesture;
-@end
-
-namespace WebCore {
-
-bool isScrollbarOverlayAPIAvailable();
-
-NSScrollerStyle recommendedScrollerStyle();
-
-}
-
-#endif