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 ScrollbarThemeMacCommon_h 27 #define ScrollbarThemeMacCommon_h 28 29 #include "platform/mac/NSScrollerImpDetails.h" 30 #include "platform/scroll/ScrollbarTheme.h" 31 32 namespace WebCore { 33 34 class Pattern; 35 36 class PLATFORM_EXPORT ScrollbarThemeMacCommon : public ScrollbarTheme { 37 public: 38 virtual ~ScrollbarThemeMacCommon(); 39 40 virtual void registerScrollbar(ScrollbarThemeClient*) OVERRIDE; 41 virtual void unregisterScrollbar(ScrollbarThemeClient*) OVERRIDE; 42 void preferencesChanged(float initialButtonDelay, float autoscrollButtonDelay, NSScrollerStyle preferredScrollerStyle, bool redraw); 43 44 virtual bool supportsControlTints() const OVERRIDE { return true; } 45 46 virtual double initialAutoscrollTimerDelay() OVERRIDE; 47 virtual double autoscrollTimerDelay() OVERRIDE; 48 49 virtual void paintOverhangBackground(GraphicsContext*, const IntRect& horizontalOverhangArea, const IntRect& verticalOverhangArea, const IntRect& dirtyRect) OVERRIDE; 50 virtual void paintOverhangShadows(GraphicsContext*, const IntSize& scrollOffset, const IntRect& horizontalOverhangArea, const IntRect& verticalOverhangArea, const IntRect& dirtyRect) OVERRIDE; 51 virtual void paintTickmarks(GraphicsContext*, ScrollbarThemeClient*, const IntRect&) OVERRIDE; 52 53 static NSScrollerStyle recommendedScrollerStyle(); 54 55 static bool isOverlayAPIAvailable(); 56 57 protected: 58 virtual int maxOverlapBetweenPages() OVERRIDE { return 40; } 59 60 virtual bool shouldDragDocumentInsteadOfThumb(ScrollbarThemeClient*, const PlatformMouseEvent&) OVERRIDE; 61 int scrollbarPartToHIPressedState(ScrollbarPart); 62 63 virtual void updateButtonPlacement() { } 64 65 void paintGivenTickmarks(GraphicsContext*, ScrollbarThemeClient*, const IntRect&, const Vector<IntRect>&); 66 67 RefPtr<Pattern> m_overhangPattern; 68 }; 69 70 } 71 72 #endif // ScrollbarThemeMacCommon_h 73