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| 1 /* | 1 /* |
| 2 * Copyright (C) 2010 Google Inc. All rights reserved. | 2 * Copyright (C) 2010 Google Inc. All rights reserved. |
| 3 * Copyright (C) 2011 Apple Inc. All rights reserved. | 3 * Copyright (C) 2011 Apple Inc. All rights reserved. |
| 4 * | 4 * |
| 5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
| 6 * modification, are permitted provided that the following conditions are | 6 * modification, are permitted provided that the following conditions are |
| 7 * met: | 7 * met: |
| 8 * | 8 * |
| 9 * * Redistributions of source code must retain the above copyright | 9 * * Redistributions of source code must retain the above copyright |
| 10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
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| 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 30 */ | 30 */ |
| 31 | 31 |
| 32 #include "core/html/forms/RangeInputType.h" | 32 #include "core/html/forms/RangeInputType.h" |
| 33 | 33 |
| 34 #include <limits> |
| 34 #include "bindings/core/v8/ExceptionState.h" | 35 #include "bindings/core/v8/ExceptionState.h" |
| 35 #include "core/HTMLNames.h" | 36 #include "core/HTMLNames.h" |
| 36 #include "core/InputTypeNames.h" | 37 #include "core/InputTypeNames.h" |
| 37 #include "core/dom/AXObjectCache.h" | 38 #include "core/dom/AXObjectCache.h" |
| 38 #include "core/dom/NodeComputedStyle.h" | 39 #include "core/dom/NodeComputedStyle.h" |
| 39 #include "core/dom/shadow/ShadowRoot.h" | 40 #include "core/dom/shadow/ShadowRoot.h" |
| 40 #include "core/events/KeyboardEvent.h" | 41 #include "core/events/KeyboardEvent.h" |
| 41 #include "core/events/MouseEvent.h" | 42 #include "core/events/MouseEvent.h" |
| 42 #include "core/events/ScopedEventQueue.h" | 43 #include "core/events/ScopedEventQueue.h" |
| 43 #include "core/html/HTMLDataListElement.h" | 44 #include "core/html/HTMLDataListElement.h" |
| 44 #include "core/html/HTMLDataListOptionsCollection.h" | 45 #include "core/html/HTMLDataListOptionsCollection.h" |
| 45 #include "core/html/HTMLDivElement.h" | 46 #include "core/html/HTMLDivElement.h" |
| 46 #include "core/html/HTMLInputElement.h" | 47 #include "core/html/HTMLInputElement.h" |
| 47 #include "core/html/HTMLOptionElement.h" | 48 #include "core/html/HTMLOptionElement.h" |
| 48 #include "core/html/forms/StepRange.h" | 49 #include "core/html/forms/StepRange.h" |
| 49 #include "core/html/parser/HTMLParserIdioms.h" | 50 #include "core/html/parser/HTMLParserIdioms.h" |
| 50 #include "core/html/shadow/ShadowElementNames.h" | 51 #include "core/html/shadow/ShadowElementNames.h" |
| 51 #include "core/html/shadow/SliderThumbElement.h" | 52 #include "core/html/shadow/SliderThumbElement.h" |
| 52 #include "core/layout/LayoutSlider.h" | 53 #include "core/layout/LayoutSlider.h" |
| 53 #include "wtf/MathExtras.h" | 54 #include "wtf/MathExtras.h" |
| 54 #include "wtf/NonCopyingSort.h" | 55 #include "wtf/NonCopyingSort.h" |
| 55 #include <limits> | |
| 56 | 56 |
| 57 namespace blink { | 57 namespace blink { |
| 58 | 58 |
| 59 using namespace HTMLNames; | 59 using namespace HTMLNames; |
| 60 | 60 |
| 61 static const int rangeDefaultMinimum = 0; | 61 static const int rangeDefaultMinimum = 0; |
| 62 static const int rangeDefaultMaximum = 100; | 62 static const int rangeDefaultMaximum = 100; |
| 63 static const int rangeDefaultStep = 1; | 63 static const int rangeDefaultStep = 1; |
| 64 static const int rangeDefaultStepBase = 0; | 64 static const int rangeDefaultStepBase = 0; |
| 65 static const int rangeStepScaleFactor = 1; | 65 static const int rangeStepScaleFactor = 1; |
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| 403 : Decimal::infinity(Decimal::Negative); | 403 : Decimal::infinity(Decimal::Negative); |
| 404 const Decimal closestRight = middle != m_tickMarkValues.size() | 404 const Decimal closestRight = middle != m_tickMarkValues.size() |
| 405 ? m_tickMarkValues[middle] | 405 ? m_tickMarkValues[middle] |
| 406 : Decimal::infinity(Decimal::Positive); | 406 : Decimal::infinity(Decimal::Positive); |
| 407 if (closestRight - value < value - closestLeft) | 407 if (closestRight - value < value - closestLeft) |
| 408 return closestRight; | 408 return closestRight; |
| 409 return closestLeft; | 409 return closestLeft; |
| 410 } | 410 } |
| 411 | 411 |
| 412 } // namespace blink | 412 } // namespace blink |
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