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| (Empty) |
| 1 /* | |
| 2 * Copyright (C) 2006 Apple Computer, 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 COMPUTER, 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 COMPUTER, 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 ScrollTypes_h | |
| 27 #define ScrollTypes_h | |
| 28 | |
| 29 #include "wtf/Assertions.h" | |
| 30 | |
| 31 namespace WebCore { | |
| 32 | |
| 33 enum ScrollDirection { | |
| 34 ScrollUp, | |
| 35 ScrollDown, | |
| 36 ScrollLeft, | |
| 37 ScrollRight | |
| 38 }; | |
| 39 | |
| 40 enum ScrollLogicalDirection { | |
| 41 ScrollBlockDirectionBackward, | |
| 42 ScrollBlockDirectionForward, | |
| 43 ScrollInlineDirectionBackward, | |
| 44 ScrollInlineDirectionForward | |
| 45 }; | |
| 46 | |
| 47 | |
| 48 inline ScrollDirection logicalToPhysical(ScrollLogicalDirection direction, b
ool isVertical, bool isFlipped) | |
| 49 { | |
| 50 switch (direction) { | |
| 51 case ScrollBlockDirectionBackward: { | |
| 52 if (isVertical) { | |
| 53 if (!isFlipped) | |
| 54 return ScrollUp; | |
| 55 return ScrollDown; | |
| 56 } else { | |
| 57 if (!isFlipped) | |
| 58 return ScrollLeft; | |
| 59 return ScrollRight; | |
| 60 } | |
| 61 break; | |
| 62 } | |
| 63 case ScrollBlockDirectionForward: { | |
| 64 if (isVertical) { | |
| 65 if (!isFlipped) | |
| 66 return ScrollDown; | |
| 67 return ScrollUp; | |
| 68 } else { | |
| 69 if (!isFlipped) | |
| 70 return ScrollRight; | |
| 71 return ScrollLeft; | |
| 72 } | |
| 73 break; | |
| 74 } | |
| 75 case ScrollInlineDirectionBackward: { | |
| 76 if (isVertical) { | |
| 77 if (!isFlipped) | |
| 78 return ScrollLeft; | |
| 79 return ScrollRight; | |
| 80 } else { | |
| 81 if (!isFlipped) | |
| 82 return ScrollUp; | |
| 83 return ScrollDown; | |
| 84 } | |
| 85 break; | |
| 86 } | |
| 87 case ScrollInlineDirectionForward: { | |
| 88 if (isVertical) { | |
| 89 if (!isFlipped) | |
| 90 return ScrollRight; | |
| 91 return ScrollLeft; | |
| 92 } else { | |
| 93 if (!isFlipped) | |
| 94 return ScrollDown; | |
| 95 return ScrollUp; | |
| 96 } | |
| 97 break; | |
| 98 } | |
| 99 default: | |
| 100 ASSERT_NOT_REACHED(); | |
| 101 break; | |
| 102 } | |
| 103 return ScrollUp; | |
| 104 } | |
| 105 | |
| 106 enum ScrollGranularity { | |
| 107 ScrollByLine, | |
| 108 ScrollByPage, | |
| 109 ScrollByDocument, | |
| 110 ScrollByPixel, | |
| 111 ScrollByPrecisePixel | |
| 112 }; | |
| 113 | |
| 114 enum ScrollElasticity { | |
| 115 ScrollElasticityAutomatic, | |
| 116 ScrollElasticityNone, | |
| 117 ScrollElasticityAllowed | |
| 118 }; | |
| 119 | |
| 120 enum ScrollbarOrientation { HorizontalScrollbar, VerticalScrollbar }; | |
| 121 | |
| 122 enum ScrollbarMode { ScrollbarAuto, ScrollbarAlwaysOff, ScrollbarAlwaysOn }; | |
| 123 | |
| 124 enum ScrollbarControlSize { RegularScrollbar, SmallScrollbar }; | |
| 125 | |
| 126 typedef unsigned ScrollbarControlState; | |
| 127 | |
| 128 enum ScrollbarControlStateMask { | |
| 129 ActiveScrollbarState = 1, | |
| 130 EnabledScrollbarState = 1 << 1, | |
| 131 PressedScrollbarState = 1 << 2 | |
| 132 }; | |
| 133 | |
| 134 enum ScrollbarPart { | |
| 135 NoPart = 0, | |
| 136 BackButtonStartPart = 1, | |
| 137 ForwardButtonStartPart = 1 << 1, | |
| 138 BackTrackPart = 1 << 2, | |
| 139 ThumbPart = 1 << 3, | |
| 140 ForwardTrackPart = 1 << 4, | |
| 141 BackButtonEndPart = 1 << 5, | |
| 142 ForwardButtonEndPart = 1 << 6, | |
| 143 ScrollbarBGPart = 1 << 7, | |
| 144 TrackBGPart = 1 << 8, | |
| 145 AllParts = 0xffffffff | |
| 146 }; | |
| 147 | |
| 148 enum ScrollbarButtonsPlacement { | |
| 149 ScrollbarButtonsNone, | |
| 150 ScrollbarButtonsSingle, | |
| 151 ScrollbarButtonsDoubleStart, | |
| 152 ScrollbarButtonsDoubleEnd, | |
| 153 ScrollbarButtonsDoubleBoth | |
| 154 }; | |
| 155 | |
| 156 enum ScrollbarOverlayStyle { | |
| 157 ScrollbarOverlayStyleDefault, | |
| 158 ScrollbarOverlayStyleDark, | |
| 159 ScrollbarOverlayStyleLight | |
| 160 }; | |
| 161 | |
| 162 typedef unsigned ScrollbarControlPartMask; | |
| 163 | |
| 164 } | |
| 165 | |
| 166 #endif | |
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Chromium Code Reviews
Issue 26306002:
Move ScrollTypes.h from Source/core/platform to Source/platform/scroll. (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink@master