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 * 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 ScrollbarThemeClient_h 27 #define ScrollbarThemeClient_h 28 29 #include "core/platform/ScrollTypes.h" 30 #include "core/platform/graphics/IntPoint.h" 31 #include "core/platform/graphics/IntRect.h" 32 #include "core/platform/graphics/IntSize.h" 33 #include "wtf/PassOwnPtr.h" 34 #include "wtf/Vector.h" 35 36 namespace WebCore { 37 38 class ScrollView; 39 40 class ScrollbarThemeClient { 41 public: 42 virtual int x() const = 0; 43 virtual int y() const = 0; 44 virtual int width() const = 0; 45 virtual int height() const = 0; 46 virtual IntSize size() const = 0; 47 virtual IntPoint location() const = 0; 48 49 virtual ScrollView* parent() const = 0; 50 virtual ScrollView* root() const = 0; 51 52 virtual void setFrameRect(const IntRect&) = 0; 53 virtual IntRect frameRect() const = 0; 54 55 virtual void invalidate() = 0; 56 virtual void invalidateRect(const IntRect&) = 0; 57 58 virtual ScrollbarOverlayStyle scrollbarOverlayStyle() const = 0; 59 virtual void getTickmarks(Vector<IntRect>&) const = 0; 60 virtual bool isScrollableAreaActive() const = 0; 61 virtual bool isScrollViewScrollbar() const = 0; 62 63 virtual IntPoint convertFromContainingWindow(const IntPoint& windowPoint) = 0; 64 65 virtual bool isCustomScrollbar() const = 0; 66 virtual ScrollbarOrientation orientation() const = 0; 67 68 virtual int value() const = 0; 69 virtual float currentPos() const = 0; 70 virtual int visibleSize() const = 0; 71 virtual int totalSize() const = 0; 72 virtual int maximum() const = 0; 73 virtual ScrollbarControlSize controlSize() const = 0; 74 75 virtual ScrollbarPart pressedPart() const = 0; 76 virtual ScrollbarPart hoveredPart() const = 0; 77 78 virtual void styleChanged() = 0; 79 80 virtual bool enabled() const = 0; 81 virtual void setEnabled(bool) = 0; 82 83 virtual bool isOverlayScrollbar() const = 0; 84 85 virtual bool isAlphaLocked() const = 0; 86 virtual void setIsAlphaLocked(bool) = 0; 87 88 protected: 89 virtual ~ScrollbarThemeClient() { } 90 }; 91 92 } // namespace WebCore 93 94 #endif // ScollbarThemeClient_h 95