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author | Steve Block <steveblock@google.com> | 2011-05-06 11:45:16 +0100 |
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committer | Steve Block <steveblock@google.com> | 2011-05-12 13:44:10 +0100 |
commit | cad810f21b803229eb11403f9209855525a25d57 (patch) | |
tree | 29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/platform/ScrollbarClient.h | |
parent | 121b0cf4517156d0ac5111caf9830c51b69bae8f (diff) | |
download | external_webkit-cad810f21b803229eb11403f9209855525a25d57.zip external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.bz2 |
Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'Source/WebCore/platform/ScrollbarClient.h')
-rw-r--r-- | Source/WebCore/platform/ScrollbarClient.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/Source/WebCore/platform/ScrollbarClient.h b/Source/WebCore/platform/ScrollbarClient.h new file mode 100644 index 0000000..ab3b10e --- /dev/null +++ b/Source/WebCore/platform/ScrollbarClient.h @@ -0,0 +1,80 @@ +/* + * 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 |