gecko/dom/smil/nsSMILInstanceTime.cpp
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
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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
rename : content/smil/test/test_smilAnimateMotion.xhtml => dom/smil/test/test_smilAnimateMotion.xhtml
rename : content/smil/test/test_smilAnimateMotionInvalidValues.xhtml => dom/smil/test/test_smilAnimateMotionInvalidValues.xhtml
rename : content/smil/test/test_smilAnimateMotionOverrideRules.xhtml => dom/smil/test/test_smilAnimateMotionOverrideRules.xhtml
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
rename : content/smil/test/test_smilCSSFromTo.xhtml => dom/smil/test/test_smilCSSFromTo.xhtml
rename : content/smil/test/test_smilCSSInherit.xhtml => dom/smil/test/test_smilCSSInherit.xhtml
rename : content/smil/test/test_smilCSSInvalidValues.xhtml => dom/smil/test/test_smilCSSInvalidValues.xhtml
rename : content/smil/test/test_smilCSSPaced.xhtml => dom/smil/test/test_smilCSSPaced.xhtml
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
rename : content/smil/test/test_smilKeyTimesPacedMode.xhtml => dom/smil/test/test_smilKeyTimesPacedMode.xhtml
rename : content/smil/test/test_smilMappedAttrFromBy.xhtml => dom/smil/test/test_smilMappedAttrFromBy.xhtml
rename : content/smil/test/test_smilMappedAttrFromTo.xhtml => dom/smil/test/test_smilMappedAttrFromTo.xhtml
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
rename : content/smil/test/test_smilReset.xhtml => dom/smil/test/test_smilReset.xhtml
rename : content/smil/test/test_smilRestart.xhtml => dom/smil/test/test_smilRestart.xhtml
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

209 lines
5.5 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/. */
#include "nsSMILInstanceTime.h"
#include "nsSMILInterval.h"
#include "nsSMILTimeValueSpec.h"
#include "mozilla/AutoRestore.h"
//----------------------------------------------------------------------
// Implementation
nsSMILInstanceTime::nsSMILInstanceTime(const nsSMILTimeValue& aTime,
nsSMILInstanceTimeSource aSource,
nsSMILTimeValueSpec* aCreator,
nsSMILInterval* aBaseInterval)
: mTime(aTime),
mFlags(0),
mVisited(false),
mFixedEndpointRefCnt(0),
mSerial(0),
mCreator(aCreator),
mBaseInterval(nullptr) // This will get set to aBaseInterval in a call to
// SetBaseInterval() at end of constructor
{
switch (aSource) {
case SOURCE_NONE:
// No special flags
break;
case SOURCE_DOM:
mFlags = kDynamic | kFromDOM;
break;
case SOURCE_SYNCBASE:
mFlags = kMayUpdate;
break;
case SOURCE_EVENT:
mFlags = kDynamic;
break;
}
SetBaseInterval(aBaseInterval);
}
nsSMILInstanceTime::~nsSMILInstanceTime()
{
NS_ABORT_IF_FALSE(!mBaseInterval,
"Destroying instance time without first calling Unlink()");
NS_ABORT_IF_FALSE(mFixedEndpointRefCnt == 0,
"Destroying instance time that is still used as the fixed endpoint of an "
"interval");
}
void
nsSMILInstanceTime::Unlink()
{
nsRefPtr<nsSMILInstanceTime> deathGrip(this);
if (mBaseInterval) {
mBaseInterval->RemoveDependentTime(*this);
mBaseInterval = nullptr;
}
mCreator = nullptr;
}
void
nsSMILInstanceTime::HandleChangedInterval(
const nsSMILTimeContainer* aSrcContainer,
bool aBeginObjectChanged,
bool aEndObjectChanged)
{
// It's possible a sequence of notifications might cause our base interval to
// be updated and then deleted. Furthermore, the delete might happen whilst
// we're still in the queue to be notified of the change. In any case, if we
// don't have a base interval, just ignore the change.
if (!mBaseInterval)
return;
NS_ABORT_IF_FALSE(mCreator, "Base interval is set but creator is not.");
if (mVisited) {
// Break the cycle here
Unlink();
return;
}
bool objectChanged = mCreator->DependsOnBegin() ? aBeginObjectChanged :
aEndObjectChanged;
mozilla::AutoRestore<bool> setVisited(mVisited);
mVisited = true;
nsRefPtr<nsSMILInstanceTime> deathGrip(this);
mCreator->HandleChangedInstanceTime(*GetBaseTime(), aSrcContainer, *this,
objectChanged);
}
void
nsSMILInstanceTime::HandleDeletedInterval()
{
NS_ABORT_IF_FALSE(mBaseInterval,
"Got call to HandleDeletedInterval on an independent instance time");
NS_ABORT_IF_FALSE(mCreator, "Base interval is set but creator is not");
mBaseInterval = nullptr;
mFlags &= ~kMayUpdate; // Can't update without a base interval
nsRefPtr<nsSMILInstanceTime> deathGrip(this);
mCreator->HandleDeletedInstanceTime(*this);
mCreator = nullptr;
}
void
nsSMILInstanceTime::HandleFilteredInterval()
{
NS_ABORT_IF_FALSE(mBaseInterval,
"Got call to HandleFilteredInterval on an independent instance time");
mBaseInterval = nullptr;
mFlags &= ~kMayUpdate; // Can't update without a base interval
mCreator = nullptr;
}
bool
nsSMILInstanceTime::ShouldPreserve() const
{
return mFixedEndpointRefCnt > 0 || (mFlags & kWasDynamicEndpoint);
}
void
nsSMILInstanceTime::UnmarkShouldPreserve()
{
mFlags &= ~kWasDynamicEndpoint;
}
void
nsSMILInstanceTime::AddRefFixedEndpoint()
{
NS_ABORT_IF_FALSE(mFixedEndpointRefCnt < UINT16_MAX,
"Fixed endpoint reference count upper limit reached");
++mFixedEndpointRefCnt;
mFlags &= ~kMayUpdate; // Once fixed, always fixed
}
void
nsSMILInstanceTime::ReleaseFixedEndpoint()
{
NS_ABORT_IF_FALSE(mFixedEndpointRefCnt > 0, "Duplicate release");
--mFixedEndpointRefCnt;
if (mFixedEndpointRefCnt == 0 && IsDynamic()) {
mFlags |= kWasDynamicEndpoint;
}
}
bool
nsSMILInstanceTime::IsDependentOn(const nsSMILInstanceTime& aOther) const
{
if (mVisited)
return false;
const nsSMILInstanceTime* myBaseTime = GetBaseTime();
if (!myBaseTime)
return false;
if (myBaseTime == &aOther)
return true;
mozilla::AutoRestore<bool> setVisited(mVisited);
mVisited = true;
return myBaseTime->IsDependentOn(aOther);
}
const nsSMILInstanceTime*
nsSMILInstanceTime::GetBaseTime() const
{
if (!mBaseInterval) {
return nullptr;
}
NS_ABORT_IF_FALSE(mCreator, "Base interval is set but there is no creator.");
if (!mCreator) {
return nullptr;
}
return mCreator->DependsOnBegin() ? mBaseInterval->Begin() :
mBaseInterval->End();
}
void
nsSMILInstanceTime::SetBaseInterval(nsSMILInterval* aBaseInterval)
{
NS_ABORT_IF_FALSE(!mBaseInterval,
"Attempting to reassociate an instance time with a different interval.");
if (aBaseInterval) {
NS_ABORT_IF_FALSE(mCreator,
"Attempting to create a dependent instance time without reference "
"to the creating nsSMILTimeValueSpec object.");
if (!mCreator)
return;
aBaseInterval->AddDependentTime(*this);
}
mBaseInterval = aBaseInterval;
}