gecko/dom/smil/nsSMILTimeValue.h
Robert O'Callahan b4e381e5df Bug 946065. Part 3: Move content/smil to dom/smil. r=Ms2ger
--HG--
rename : content/smil/SMILBoolType.cpp => dom/smil/SMILBoolType.cpp
rename : content/smil/SMILBoolType.h => dom/smil/SMILBoolType.h
rename : content/smil/SMILEnumType.cpp => dom/smil/SMILEnumType.cpp
rename : content/smil/SMILEnumType.h => dom/smil/SMILEnumType.h
rename : content/smil/SMILIntegerType.cpp => dom/smil/SMILIntegerType.cpp
rename : content/smil/SMILIntegerType.h => dom/smil/SMILIntegerType.h
rename : content/smil/SMILStringType.cpp => dom/smil/SMILStringType.cpp
rename : content/smil/SMILStringType.h => dom/smil/SMILStringType.h
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rename : content/smil/crashtests/crashtests.list => dom/smil/crashtests/crashtests.list
rename : content/smil/moz.build => dom/smil/moz.build
rename : content/smil/nsDOMTimeEvent.cpp => dom/smil/nsDOMTimeEvent.cpp
rename : content/smil/nsDOMTimeEvent.h => dom/smil/nsDOMTimeEvent.h
rename : content/smil/nsISMILAttr.h => dom/smil/nsISMILAttr.h
rename : content/smil/nsISMILType.h => dom/smil/nsISMILType.h
rename : content/smil/nsSMILAnimationController.cpp => dom/smil/nsSMILAnimationController.cpp
rename : content/smil/nsSMILAnimationController.h => dom/smil/nsSMILAnimationController.h
rename : content/smil/nsSMILAnimationFunction.cpp => dom/smil/nsSMILAnimationFunction.cpp
rename : content/smil/nsSMILAnimationFunction.h => dom/smil/nsSMILAnimationFunction.h
rename : content/smil/nsSMILCSSProperty.cpp => dom/smil/nsSMILCSSProperty.cpp
rename : content/smil/nsSMILCSSProperty.h => dom/smil/nsSMILCSSProperty.h
rename : content/smil/nsSMILCSSValueType.cpp => dom/smil/nsSMILCSSValueType.cpp
rename : content/smil/nsSMILCSSValueType.h => dom/smil/nsSMILCSSValueType.h
rename : content/smil/nsSMILCompositor.cpp => dom/smil/nsSMILCompositor.cpp
rename : content/smil/nsSMILCompositor.h => dom/smil/nsSMILCompositor.h
rename : content/smil/nsSMILCompositorTable.h => dom/smil/nsSMILCompositorTable.h
rename : content/smil/nsSMILFloatType.cpp => dom/smil/nsSMILFloatType.cpp
rename : content/smil/nsSMILFloatType.h => dom/smil/nsSMILFloatType.h
rename : content/smil/nsSMILInstanceTime.cpp => dom/smil/nsSMILInstanceTime.cpp
rename : content/smil/nsSMILInstanceTime.h => dom/smil/nsSMILInstanceTime.h
rename : content/smil/nsSMILInterval.cpp => dom/smil/nsSMILInterval.cpp
rename : content/smil/nsSMILInterval.h => dom/smil/nsSMILInterval.h
rename : content/smil/nsSMILKeySpline.cpp => dom/smil/nsSMILKeySpline.cpp
rename : content/smil/nsSMILKeySpline.h => dom/smil/nsSMILKeySpline.h
rename : content/smil/nsSMILMappedAttribute.cpp => dom/smil/nsSMILMappedAttribute.cpp
rename : content/smil/nsSMILMappedAttribute.h => dom/smil/nsSMILMappedAttribute.h
rename : content/smil/nsSMILMilestone.h => dom/smil/nsSMILMilestone.h
rename : content/smil/nsSMILNullType.cpp => dom/smil/nsSMILNullType.cpp
rename : content/smil/nsSMILNullType.h => dom/smil/nsSMILNullType.h
rename : content/smil/nsSMILParserUtils.cpp => dom/smil/nsSMILParserUtils.cpp
rename : content/smil/nsSMILParserUtils.h => dom/smil/nsSMILParserUtils.h
rename : content/smil/nsSMILRepeatCount.cpp => dom/smil/nsSMILRepeatCount.cpp
rename : content/smil/nsSMILRepeatCount.h => dom/smil/nsSMILRepeatCount.h
rename : content/smil/nsSMILSetAnimationFunction.cpp => dom/smil/nsSMILSetAnimationFunction.cpp
rename : content/smil/nsSMILSetAnimationFunction.h => dom/smil/nsSMILSetAnimationFunction.h
rename : content/smil/nsSMILTargetIdentifier.h => dom/smil/nsSMILTargetIdentifier.h
rename : content/smil/nsSMILTimeContainer.cpp => dom/smil/nsSMILTimeContainer.cpp
rename : content/smil/nsSMILTimeContainer.h => dom/smil/nsSMILTimeContainer.h
rename : content/smil/nsSMILTimeValue.cpp => dom/smil/nsSMILTimeValue.cpp
rename : content/smil/nsSMILTimeValue.h => dom/smil/nsSMILTimeValue.h
rename : content/smil/nsSMILTimeValueSpec.cpp => dom/smil/nsSMILTimeValueSpec.cpp
rename : content/smil/nsSMILTimeValueSpec.h => dom/smil/nsSMILTimeValueSpec.h
rename : content/smil/nsSMILTimeValueSpecParams.h => dom/smil/nsSMILTimeValueSpecParams.h
rename : content/smil/nsSMILTimedElement.cpp => dom/smil/nsSMILTimedElement.cpp
rename : content/smil/nsSMILTimedElement.h => dom/smil/nsSMILTimedElement.h
rename : content/smil/nsSMILTypes.h => dom/smil/nsSMILTypes.h
rename : content/smil/nsSMILValue.cpp => dom/smil/nsSMILValue.cpp
rename : content/smil/nsSMILValue.h => dom/smil/nsSMILValue.h
rename : content/smil/test/db_smilAnimateMotion.js => dom/smil/test/db_smilAnimateMotion.js
rename : content/smil/test/db_smilCSSFromBy.js => dom/smil/test/db_smilCSSFromBy.js
rename : content/smil/test/db_smilCSSFromTo.js => dom/smil/test/db_smilCSSFromTo.js
rename : content/smil/test/db_smilCSSPaced.js => dom/smil/test/db_smilCSSPaced.js
rename : content/smil/test/db_smilCSSPropertyList.js => dom/smil/test/db_smilCSSPropertyList.js
rename : content/smil/test/db_smilMappedAttrList.js => dom/smil/test/db_smilMappedAttrList.js
rename : content/smil/test/mochitest.ini => dom/smil/test/mochitest.ini
rename : content/smil/test/moz.build => dom/smil/test/moz.build
rename : content/smil/test/smilAnimateMotionValueLists.js => dom/smil/test/smilAnimateMotionValueLists.js
rename : content/smil/test/smilExtDoc_helper.svg => dom/smil/test/smilExtDoc_helper.svg
rename : content/smil/test/smilTestUtils.js => dom/smil/test/smilTestUtils.js
rename : content/smil/test/smilXHR_helper.svg => dom/smil/test/smilXHR_helper.svg
rename : content/smil/test/test_smilAccessKey.xhtml => dom/smil/test/test_smilAccessKey.xhtml
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rename : content/smil/test/test_smilBackwardsSeeking.xhtml => dom/smil/test/test_smilBackwardsSeeking.xhtml
rename : content/smil/test/test_smilCSSFontStretchRelative.xhtml => dom/smil/test/test_smilCSSFontStretchRelative.xhtml
rename : content/smil/test/test_smilCSSFromBy.xhtml => dom/smil/test/test_smilCSSFromBy.xhtml
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rename : content/smil/test/test_smilChangeAfterFrozen.xhtml => dom/smil/test/test_smilChangeAfterFrozen.xhtml
rename : content/smil/test/test_smilContainerBinding.xhtml => dom/smil/test/test_smilContainerBinding.xhtml
rename : content/smil/test/test_smilCrossContainer.xhtml => dom/smil/test/test_smilCrossContainer.xhtml
rename : content/smil/test/test_smilDynamicDelayedBeginElement.xhtml => dom/smil/test/test_smilDynamicDelayedBeginElement.xhtml
rename : content/smil/test/test_smilExtDoc.xhtml => dom/smil/test/test_smilExtDoc.xhtml
rename : content/smil/test/test_smilFillMode.xhtml => dom/smil/test/test_smilFillMode.xhtml
rename : content/smil/test/test_smilGetSimpleDuration.xhtml => dom/smil/test/test_smilGetSimpleDuration.xhtml
rename : content/smil/test/test_smilGetStartTime.xhtml => dom/smil/test/test_smilGetStartTime.xhtml
rename : content/smil/test/test_smilHyperlinking.xhtml => dom/smil/test/test_smilHyperlinking.xhtml
rename : content/smil/test/test_smilInvalidValues.html => dom/smil/test/test_smilInvalidValues.html
rename : content/smil/test/test_smilKeySplines.xhtml => dom/smil/test/test_smilKeySplines.xhtml
rename : content/smil/test/test_smilKeyTimes.xhtml => dom/smil/test/test_smilKeyTimes.xhtml
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rename : content/smil/test/test_smilMappedAttrPaced.xhtml => dom/smil/test/test_smilMappedAttrPaced.xhtml
rename : content/smil/test/test_smilMinTiming.html => dom/smil/test/test_smilMinTiming.html
rename : content/smil/test/test_smilRepeatDuration.html => dom/smil/test/test_smilRepeatDuration.html
rename : content/smil/test/test_smilRepeatTiming.xhtml => dom/smil/test/test_smilRepeatTiming.xhtml
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rename : content/smil/test/test_smilSetCurrentTime.xhtml => dom/smil/test/test_smilSetCurrentTime.xhtml
rename : content/smil/test/test_smilSync.xhtml => dom/smil/test/test_smilSync.xhtml
rename : content/smil/test/test_smilSyncTransform.xhtml => dom/smil/test/test_smilSyncTransform.xhtml
rename : content/smil/test/test_smilSyncbaseTarget.xhtml => dom/smil/test/test_smilSyncbaseTarget.xhtml
rename : content/smil/test/test_smilTextZoom.xhtml => dom/smil/test/test_smilTextZoom.xhtml
rename : content/smil/test/test_smilTimeEvents.xhtml => dom/smil/test/test_smilTimeEvents.xhtml
rename : content/smil/test/test_smilTiming.xhtml => dom/smil/test/test_smilTiming.xhtml
rename : content/smil/test/test_smilTimingZeroIntervals.xhtml => dom/smil/test/test_smilTimingZeroIntervals.xhtml
rename : content/smil/test/test_smilUpdatedInterval.xhtml => dom/smil/test/test_smilUpdatedInterval.xhtml
rename : content/smil/test/test_smilValues.xhtml => dom/smil/test/test_smilValues.xhtml
rename : content/smil/test/test_smilXHR.xhtml => dom/smil/test/test_smilXHR.xhtml
extra : rebase_source : 4038f574b020b79d3725efd91eeef457d9d6a0b0
2014-01-03 14:49:22 +13:00

135 lines
4.2 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef NS_SMILTIMEVALUE_H_
#define NS_SMILTIMEVALUE_H_
#include "nsSMILTypes.h"
#include "nsDebug.h"
/*----------------------------------------------------------------------
* nsSMILTimeValue class
*
* A tri-state time value.
*
* First a quick overview of the SMIL time data types:
*
* nsSMILTime -- a timestamp in milliseconds.
* nsSMILTimeValue -- (this class) a timestamp that can take the additional
* states 'indefinite' and 'unresolved'
* nsSMILInstanceTime -- an nsSMILTimeValue used for constructing intervals. It
* contains additional fields to govern reset behavior
* and track timing dependencies (e.g. syncbase timing).
* nsSMILInterval -- a pair of nsSMILInstanceTimes that defines a begin and
* an end time for animation.
* nsSMILTimeValueSpec -- a component of a begin or end attribute, such as the
* '5s' or 'a.end+2m' in begin="5s; a.end+2m". Acts as
* a broker between an nsSMILTimedElement and its
* nsSMILInstanceTimes by generating new instance times
* and handling changes to existing times.
*
* Objects of this class may be in one of three states:
*
* 1) The time is resolved and has a definite millisecond value
* 2) The time is resolved and indefinite
* 3) The time is unresolved
*
* In summary:
*
* State | GetMillis | IsDefinite | IsIndefinite | IsResolved
* -----------+-----------------+------------+--------------+------------
* Definite | nsSMILTimeValue | true | false | true
* -----------+-----------------+------------+--------------+------------
* Indefinite | -- | false | true | true
* -----------+-----------------+------------+--------------+------------
* Unresolved | -- | false | false | false
*
*/
class nsSMILTimeValue
{
public:
// Creates an unresolved time value
nsSMILTimeValue()
: mMilliseconds(kUnresolvedMillis),
mState(STATE_UNRESOLVED)
{ }
// Creates a resolved time value
explicit nsSMILTimeValue(nsSMILTime aMillis)
: mMilliseconds(aMillis),
mState(STATE_DEFINITE)
{ }
// Named constructor to create an indefinite time value
static nsSMILTimeValue Indefinite()
{
nsSMILTimeValue value;
value.SetIndefinite();
return value;
}
bool IsIndefinite() const { return mState == STATE_INDEFINITE; }
void SetIndefinite()
{
mState = STATE_INDEFINITE;
mMilliseconds = kUnresolvedMillis;
}
bool IsResolved() const { return mState != STATE_UNRESOLVED; }
void SetUnresolved()
{
mState = STATE_UNRESOLVED;
mMilliseconds = kUnresolvedMillis;
}
bool IsDefinite() const { return mState == STATE_DEFINITE; }
nsSMILTime GetMillis() const
{
NS_ABORT_IF_FALSE(mState == STATE_DEFINITE,
"GetMillis() called for unresolved or indefinite time");
return mState == STATE_DEFINITE ? mMilliseconds : kUnresolvedMillis;
}
void SetMillis(nsSMILTime aMillis)
{
mState = STATE_DEFINITE;
mMilliseconds = aMillis;
}
int8_t CompareTo(const nsSMILTimeValue& aOther) const;
bool operator==(const nsSMILTimeValue& aOther) const
{ return CompareTo(aOther) == 0; }
bool operator!=(const nsSMILTimeValue& aOther) const
{ return CompareTo(aOther) != 0; }
bool operator<(const nsSMILTimeValue& aOther) const
{ return CompareTo(aOther) < 0; }
bool operator>(const nsSMILTimeValue& aOther) const
{ return CompareTo(aOther) > 0; }
bool operator<=(const nsSMILTimeValue& aOther) const
{ return CompareTo(aOther) <= 0; }
bool operator>=(const nsSMILTimeValue& aOther) const
{ return CompareTo(aOther) >= 0; }
private:
static nsSMILTime kUnresolvedMillis;
nsSMILTime mMilliseconds;
enum {
STATE_DEFINITE,
STATE_INDEFINITE,
STATE_UNRESOLVED
} mState;
};
#endif // NS_SMILTIMEVALUE_H_