1/* 2 * Copyright (C) 2012 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 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25#ifndef WebPluginScrollbarImpl_h 26#define WebPluginScrollbarImpl_h 27 28#include "public/web/WebPluginScrollbar.h" 29 30#include "wtf/RefPtr.h" 31#include "wtf/Vector.h" 32 33namespace blink { 34 35class IntPoint; 36class IntRect; 37class Scrollbar; 38class ScrollbarGroup; 39 40class WebPluginScrollbarImpl FINAL : public WebPluginScrollbar { 41public: 42 WebPluginScrollbarImpl(Orientation, ScrollbarGroup*, WebPluginScrollbarClient*); 43 virtual ~WebPluginScrollbarImpl(); 44 45 void setScrollOffset(int); 46 void invalidateScrollbarRect(const IntRect&); 47 // FIXME: Combine this with the other getTickmarks method 48 void getTickmarks(Vector<IntRect>&) const; 49 IntPoint convertFromContainingViewToScrollbar(const IntPoint& parentPoint) const; 50 void scrollbarStyleChanged(); 51 52 int scrollOffset() { return m_scrollOffset; } 53 Scrollbar* scrollbar() { return m_scrollbar.get(); } 54 55 // WebScrollbar methods 56 virtual bool isOverlay() const OVERRIDE; 57 virtual int value() const OVERRIDE; 58 virtual WebPoint location() const OVERRIDE; 59 virtual WebSize size() const OVERRIDE; 60 virtual bool enabled() const OVERRIDE; 61 virtual int maximum() const OVERRIDE; 62 virtual int totalSize() const OVERRIDE; 63 virtual bool isScrollViewScrollbar() const OVERRIDE; 64 virtual bool isScrollableAreaActive() const OVERRIDE; 65 virtual void getTickmarks(WebVector<WebRect>& tickmarks) const OVERRIDE; 66 virtual WebScrollbar::ScrollbarControlSize controlSize() const OVERRIDE; 67 virtual WebScrollbar::ScrollbarPart pressedPart() const OVERRIDE; 68 virtual WebScrollbar::ScrollbarPart hoveredPart() const OVERRIDE; 69 virtual WebScrollbar::ScrollbarOverlayStyle scrollbarOverlayStyle() const OVERRIDE; 70 virtual WebScrollbar::Orientation orientation() const OVERRIDE; 71 virtual bool isLeftSideVerticalScrollbar() const OVERRIDE; 72 virtual bool isCustomScrollbar() const OVERRIDE; 73 74 // WebPluginScrollbar methods 75 virtual void setLocation(const WebRect&) OVERRIDE; 76 virtual void setValue(int position) OVERRIDE; 77 virtual void setDocumentSize(int) OVERRIDE; 78 virtual void scroll(ScrollDirection, ScrollGranularity, float multiplier) OVERRIDE; 79 virtual void paint(WebCanvas*, const WebRect&) OVERRIDE; 80 virtual bool handleInputEvent(const WebInputEvent&) OVERRIDE; 81 virtual bool isAlphaLocked() const OVERRIDE; 82 virtual void setIsAlphaLocked(bool) OVERRIDE; 83 84private: 85 bool onMouseDown(const WebInputEvent&); 86 bool onMouseUp(const WebInputEvent&); 87 bool onMouseMove(const WebInputEvent&); 88 bool onMouseLeave(const WebInputEvent&); 89 bool onMouseWheel(const WebInputEvent&); 90 bool onKeyDown(const WebInputEvent&); 91 92 ScrollbarGroup* m_group; 93 WebPluginScrollbarClient* m_client; 94 95 int m_scrollOffset; 96 RefPtr<Scrollbar> m_scrollbar; 97}; 98 99} // namespace blink 100 101#endif 102