1/* 2 * Copyright (C) 2008 Apple 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. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef ScrollbarThemeIOS_h 27#define ScrollbarThemeIOS_h 28 29#include "ScrollbarThemeComposite.h" 30 31namespace WebCore { 32 33class ScrollbarThemeIOS : public ScrollbarThemeComposite { 34public: 35 ScrollbarThemeIOS(); 36 virtual ~ScrollbarThemeIOS(); 37 38 virtual bool paint(ScrollbarThemeClient*, GraphicsContext*, const IntRect& damageRect) override; 39 40 virtual int scrollbarThickness(ScrollbarControlSize = RegularScrollbar) override; 41 42 virtual bool supportsControlTints() const override { return true; } 43 44 virtual double initialAutoscrollTimerDelay() override; 45 virtual double autoscrollTimerDelay() override; 46 47 virtual ScrollbarButtonsPlacement buttonsPlacement() const override; 48 49 virtual void registerScrollbar(ScrollbarThemeClient*) override; 50 virtual void unregisterScrollbar(ScrollbarThemeClient*) override; 51 52protected: 53 virtual bool hasButtons(ScrollbarThemeClient*) override; 54 virtual bool hasThumb(ScrollbarThemeClient*) override; 55 56 virtual IntRect backButtonRect(ScrollbarThemeClient*, ScrollbarPart, bool painting = false) override; 57 virtual IntRect forwardButtonRect(ScrollbarThemeClient*, ScrollbarPart, bool painting = false) override; 58 virtual IntRect trackRect(ScrollbarThemeClient*, bool painting = false) override; 59 60 virtual int minimumThumbLength(ScrollbarThemeClient*) override; 61 62 virtual bool shouldCenterOnThumb(ScrollbarThemeClient*, const PlatformMouseEvent&) override; 63 64public: 65 void preferencesChanged(); 66}; 67 68} 69 70#endif // ScrollbarThemeIOS_h 71