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-rw-r--r--WebCore/platform/ScrollbarClient.h80
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diff --git a/WebCore/platform/ScrollbarClient.h b/WebCore/platform/ScrollbarClient.h
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-/*
- * Copyright (C) 2008 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 ScrollbarClient_h
-#define ScrollbarClient_h
-
-#include "IntPoint.h"
-#include "IntRect.h"
-#include "Scrollbar.h"
-#include <wtf/Vector.h>
-
-namespace WebCore {
-
-class ScrollAnimator;
-
-class ScrollbarClient {
-public:
- ScrollbarClient();
- virtual ~ScrollbarClient();
-
- bool scroll(ScrollbarOrientation orientation, ScrollGranularity granularity, float step, float multiplier);
- void setScrollPositionAndStopAnimation(ScrollbarOrientation orientation, float pos);
-
- virtual int scrollSize(ScrollbarOrientation orientation) const = 0;
- virtual void setScrollOffsetFromAnimation(const IntPoint&) = 0;
- virtual void valueChanged(Scrollbar*) = 0;
- virtual void invalidateScrollbarRect(Scrollbar*, const IntRect&) = 0;
- virtual bool isActive() const = 0;
- virtual bool scrollbarCornerPresent() const = 0;
-
- virtual void getTickmarks(Vector<IntRect>&) const { }
-
- // Convert points and rects between the scrollbar and its containing view.
- // The client needs to implement these in order to be aware of layout effects
- // like CSS transforms.
- virtual IntRect convertFromScrollbarToContainingView(const Scrollbar* scrollbar, const IntRect& scrollbarRect) const
- {
- return scrollbar->Widget::convertToContainingView(scrollbarRect);
- }
- virtual IntRect convertFromContainingViewToScrollbar(const Scrollbar* scrollbar, const IntRect& parentRect) const
- {
- return scrollbar->Widget::convertFromContainingView(parentRect);
- }
- virtual IntPoint convertFromScrollbarToContainingView(const Scrollbar* scrollbar, const IntPoint& scrollbarPoint) const
- {
- return scrollbar->Widget::convertToContainingView(scrollbarPoint);
- }
- virtual IntPoint convertFromContainingViewToScrollbar(const Scrollbar* scrollbar, const IntPoint& parentPoint) const
- {
- return scrollbar->Widget::convertFromContainingView(parentPoint);
- }
-
-private:
- OwnPtr<ScrollAnimator> m_scrollAnimator;
-};
-
-}
-#endif