1 /* 2 * Copyright (C) 2011 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef ScrollbarGroup_h 27 #define ScrollbarGroup_h 28 29 #include "platform/scroll/ScrollableArea.h" 30 31 #include "wtf/RefPtr.h" 32 33 namespace blink { 34 35 class FrameView; 36 class WebPluginScrollbarImpl; 37 38 class ScrollbarGroup FINAL : public ScrollableArea { 39 public: 40 ScrollbarGroup(FrameView*, const IntRect& frameRect); 41 virtual ~ScrollbarGroup(); 42 43 void scrollbarCreated(WebPluginScrollbarImpl*); 44 void scrollbarDestroyed(WebPluginScrollbarImpl*); 45 void setLastMousePosition(const IntPoint&); 46 void setFrameRect(const IntRect&); 47 48 // ScrollableArea methods 49 virtual int scrollSize(ScrollbarOrientation) const OVERRIDE; 50 virtual void setScrollOffset(const IntPoint&) OVERRIDE; 51 virtual void invalidateScrollbarRect(Scrollbar*, const IntRect&) OVERRIDE; 52 virtual void invalidateScrollCornerRect(const IntRect&) OVERRIDE; 53 virtual bool isActive() const OVERRIDE; 54 virtual IntRect scrollCornerRect() const OVERRIDE { return IntRect(); } 55 virtual bool isScrollCornerVisible() const OVERRIDE; 56 virtual void getTickmarks(Vector<IntRect>&) const OVERRIDE; 57 virtual IntPoint convertFromContainingViewToScrollbar(const Scrollbar*, const IntPoint& parentPoint) const OVERRIDE; 58 virtual Scrollbar* horizontalScrollbar() const OVERRIDE; 59 virtual Scrollbar* verticalScrollbar() const OVERRIDE; 60 virtual IntPoint scrollPosition() const OVERRIDE; 61 virtual IntPoint minimumScrollPosition() const OVERRIDE; 62 virtual IntPoint maximumScrollPosition() const OVERRIDE; 63 virtual int visibleHeight() const OVERRIDE; 64 virtual int visibleWidth() const OVERRIDE; 65 virtual IntSize contentsSize() const OVERRIDE; 66 virtual IntSize overhangAmount() const OVERRIDE; 67 virtual IntPoint lastKnownMousePosition() const OVERRIDE; 68 virtual bool shouldSuspendScrollAnimations() const OVERRIDE; 69 virtual void scrollbarStyleChanged() OVERRIDE; 70 virtual bool scrollbarsCanBeActive() const OVERRIDE; 71 virtual IntRect scrollableAreaBoundingBox() const OVERRIDE; 72 virtual bool userInputScrollable(ScrollbarOrientation) const OVERRIDE; 73 virtual bool shouldPlaceVerticalScrollbarOnLeft() const OVERRIDE; 74 virtual int pageStep(ScrollbarOrientation) const OVERRIDE; 75 76 private: 77 FrameView* m_frameView; 78 IntPoint m_lastMousePosition; 79 IntRect m_frameRect; 80 WebPluginScrollbarImpl* m_horizontalScrollbar; 81 WebPluginScrollbarImpl* m_verticalScrollbar; 82 }; 83 84 } // namespace blink 85 86 #endif 87
