gecko-dev/dom/smil/nsSMILTimeContainer.cpp
Robert O'Callahan 260b32ab87 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
rename : content/smil/crashtests/483584-1.svg => dom/smil/crashtests/483584-1.svg
rename : content/smil/crashtests/483584-2.svg => dom/smil/crashtests/483584-2.svg
rename : content/smil/crashtests/523188-1.svg => dom/smil/crashtests/523188-1.svg
rename : content/smil/crashtests/525099-1.svg => dom/smil/crashtests/525099-1.svg
rename : content/smil/crashtests/526536-1.svg => dom/smil/crashtests/526536-1.svg
rename : content/smil/crashtests/526875-1.svg => dom/smil/crashtests/526875-1.svg
rename : content/smil/crashtests/526875-2.svg => dom/smil/crashtests/526875-2.svg
rename : content/smil/crashtests/529387-1-helper.svg => dom/smil/crashtests/529387-1-helper.svg
rename : content/smil/crashtests/529387-1.xhtml => dom/smil/crashtests/529387-1.xhtml
rename : content/smil/crashtests/531550-1.svg => dom/smil/crashtests/531550-1.svg
rename : content/smil/crashtests/537157-1.svg => dom/smil/crashtests/537157-1.svg
rename : content/smil/crashtests/541297-1.svg => dom/smil/crashtests/541297-1.svg
rename : content/smil/crashtests/547333-1.svg => dom/smil/crashtests/547333-1.svg
rename : content/smil/crashtests/548899-1.svg => dom/smil/crashtests/548899-1.svg
rename : content/smil/crashtests/551620-1.svg => dom/smil/crashtests/551620-1.svg
rename : content/smil/crashtests/554141-1.svg => dom/smil/crashtests/554141-1.svg
rename : content/smil/crashtests/554202-1.svg => dom/smil/crashtests/554202-1.svg
rename : content/smil/crashtests/554202-2.svg => dom/smil/crashtests/554202-2.svg
rename : content/smil/crashtests/555026-1.svg => dom/smil/crashtests/555026-1.svg
rename : content/smil/crashtests/556841-1.svg => dom/smil/crashtests/556841-1.svg
rename : content/smil/crashtests/572938-1.svg => dom/smil/crashtests/572938-1.svg
rename : content/smil/crashtests/572938-2.svg => dom/smil/crashtests/572938-2.svg
rename : content/smil/crashtests/572938-3.svg => dom/smil/crashtests/572938-3.svg
rename : content/smil/crashtests/572938-4.svg => dom/smil/crashtests/572938-4.svg
rename : content/smil/crashtests/588287-1.svg => dom/smil/crashtests/588287-1.svg
rename : content/smil/crashtests/588287-2.svg => dom/smil/crashtests/588287-2.svg
rename : content/smil/crashtests/590425-1.html => dom/smil/crashtests/590425-1.html
rename : content/smil/crashtests/592477-1.xhtml => dom/smil/crashtests/592477-1.xhtml
rename : content/smil/crashtests/594653-1.svg => dom/smil/crashtests/594653-1.svg
rename : content/smil/crashtests/596796-1.svg => dom/smil/crashtests/596796-1.svg
rename : content/smil/crashtests/605345-1.svg => dom/smil/crashtests/605345-1.svg
rename : content/smil/crashtests/606101-1.svg => dom/smil/crashtests/606101-1.svg
rename : content/smil/crashtests/608295-1.html => dom/smil/crashtests/608295-1.html
rename : content/smil/crashtests/608549-1.svg => dom/smil/crashtests/608549-1.svg
rename : content/smil/crashtests/611927-1.svg => dom/smil/crashtests/611927-1.svg
rename : content/smil/crashtests/615002-1.svg => dom/smil/crashtests/615002-1.svg
rename : content/smil/crashtests/615872-1.svg => dom/smil/crashtests/615872-1.svg
rename : content/smil/crashtests/641388-1.html => dom/smil/crashtests/641388-1.html
rename : content/smil/crashtests/641388-2.html => dom/smil/crashtests/641388-2.html
rename : content/smil/crashtests/650732-1.svg => dom/smil/crashtests/650732-1.svg
rename : content/smil/crashtests/665334-1.svg => dom/smil/crashtests/665334-1.svg
rename : content/smil/crashtests/669225-1.svg => dom/smil/crashtests/669225-1.svg
rename : content/smil/crashtests/669225-2.svg => dom/smil/crashtests/669225-2.svg
rename : content/smil/crashtests/670313-1.svg => dom/smil/crashtests/670313-1.svg
rename : content/smil/crashtests/678822-1.svg => dom/smil/crashtests/678822-1.svg
rename : content/smil/crashtests/678847-1.svg => dom/smil/crashtests/678847-1.svg
rename : content/smil/crashtests/678938-1.svg => dom/smil/crashtests/678938-1.svg
rename : content/smil/crashtests/690994-1.svg => dom/smil/crashtests/690994-1.svg
rename : content/smil/crashtests/691337-1.svg => dom/smil/crashtests/691337-1.svg
rename : content/smil/crashtests/691337-2.svg => dom/smil/crashtests/691337-2.svg
rename : content/smil/crashtests/697640-1.svg => dom/smil/crashtests/697640-1.svg
rename : content/smil/crashtests/699325-1.svg => dom/smil/crashtests/699325-1.svg
rename : content/smil/crashtests/709907-1.svg => dom/smil/crashtests/709907-1.svg
rename : content/smil/crashtests/720103-1.svg => dom/smil/crashtests/720103-1.svg
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
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

322 lines
8.6 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 "nsSMILTimeContainer.h"
#include "nsSMILTimeValue.h"
#include "nsSMILTimedElement.h"
#include <algorithm>
nsSMILTimeContainer::nsSMILTimeContainer()
:
mParent(nullptr),
mCurrentTime(0L),
mParentOffset(0L),
mPauseStart(0L),
mNeedsPauseSample(false),
mNeedsRewind(false),
mIsSeeking(false),
mPauseState(PAUSE_BEGIN)
{
}
nsSMILTimeContainer::~nsSMILTimeContainer()
{
if (mParent) {
mParent->RemoveChild(*this);
}
}
nsSMILTimeValue
nsSMILTimeContainer::ContainerToParentTime(nsSMILTime aContainerTime) const
{
// If we're paused, then future times are indefinite
if (IsPaused() && aContainerTime > mCurrentTime)
return nsSMILTimeValue::Indefinite();
return nsSMILTimeValue(aContainerTime + mParentOffset);
}
nsSMILTimeValue
nsSMILTimeContainer::ParentToContainerTime(nsSMILTime aParentTime) const
{
// If we're paused, then any time after when we paused is indefinite
if (IsPaused() && aParentTime > mPauseStart)
return nsSMILTimeValue::Indefinite();
return nsSMILTimeValue(aParentTime - mParentOffset);
}
void
nsSMILTimeContainer::Begin()
{
Resume(PAUSE_BEGIN);
if (mPauseState) {
mNeedsPauseSample = true;
}
// This is a little bit complicated here. Ideally we'd just like to call
// Sample() and force an initial sample but this turns out to be a bad idea
// because this may mean that NeedsSample() no longer reports true and so when
// we come to the first real sample our parent will skip us over altogether.
// So we force the time to be updated and adopt the policy to never call
// Sample() ourselves but to always leave that to our parent or client.
UpdateCurrentTime();
}
void
nsSMILTimeContainer::Pause(uint32_t aType)
{
bool didStartPause = false;
if (!mPauseState && aType) {
mPauseStart = GetParentTime();
mNeedsPauseSample = true;
didStartPause = true;
}
mPauseState |= aType;
if (didStartPause) {
NotifyTimeChange();
}
}
void
nsSMILTimeContainer::Resume(uint32_t aType)
{
if (!mPauseState)
return;
mPauseState &= ~aType;
if (!mPauseState) {
nsSMILTime extraOffset = GetParentTime() - mPauseStart;
mParentOffset += extraOffset;
NotifyTimeChange();
}
}
nsSMILTime
nsSMILTimeContainer::GetCurrentTime() const
{
// The following behaviour is consistent with:
// http://www.w3.org/2003/01/REC-SVG11-20030114-errata
// #getCurrentTime_setCurrentTime_undefined_before_document_timeline_begin
// which says that if GetCurrentTime is called before the document timeline
// has begun we should just return 0.
if (IsPausedByType(PAUSE_BEGIN))
return 0L;
return mCurrentTime;
}
void
nsSMILTimeContainer::SetCurrentTime(nsSMILTime aSeekTo)
{
// SVG 1.1 doesn't specify what to do for negative times so we adopt SVGT1.2's
// behaviour of clamping negative times to 0.
aSeekTo = std::max<nsSMILTime>(0, aSeekTo);
// The following behaviour is consistent with:
// http://www.w3.org/2003/01/REC-SVG11-20030114-errata
// #getCurrentTime_setCurrentTime_undefined_before_document_timeline_begin
// which says that if SetCurrentTime is called before the document timeline
// has begun we should still adjust the offset.
nsSMILTime parentTime = GetParentTime();
mParentOffset = parentTime - aSeekTo;
mIsSeeking = true;
if (IsPaused()) {
mNeedsPauseSample = true;
mPauseStart = parentTime;
}
if (aSeekTo < mCurrentTime) {
// Backwards seek
mNeedsRewind = true;
ClearMilestones();
}
// Force an update to the current time in case we get a call to GetCurrentTime
// before another call to Sample().
UpdateCurrentTime();
NotifyTimeChange();
}
nsSMILTime
nsSMILTimeContainer::GetParentTime() const
{
if (mParent)
return mParent->GetCurrentTime();
return 0L;
}
void
nsSMILTimeContainer::SyncPauseTime()
{
if (IsPaused()) {
nsSMILTime parentTime = GetParentTime();
nsSMILTime extraOffset = parentTime - mPauseStart;
mParentOffset += extraOffset;
mPauseStart = parentTime;
}
}
void
nsSMILTimeContainer::Sample()
{
if (!NeedsSample())
return;
UpdateCurrentTime();
DoSample();
mNeedsPauseSample = false;
}
nsresult
nsSMILTimeContainer::SetParent(nsSMILTimeContainer* aParent)
{
if (mParent) {
mParent->RemoveChild(*this);
// When we're not attached to a parent time container, GetParentTime() will
// return 0. We need to adjust our pause state information to be relative to
// this new time base.
// Note that since "current time = parent time - parent offset" setting the
// parent offset and pause start as follows preserves our current time even
// while parent time = 0.
mParentOffset = -mCurrentTime;
mPauseStart = 0L;
}
mParent = aParent;
nsresult rv = NS_OK;
if (mParent) {
rv = mParent->AddChild(*this);
}
return rv;
}
bool
nsSMILTimeContainer::AddMilestone(const nsSMILMilestone& aMilestone,
mozilla::dom::SVGAnimationElement& aElement)
{
// We record the milestone time and store it along with the element but this
// time may change (e.g. if attributes are changed on the timed element in
// between samples). If this happens, then we may do an unecessary sample
// but that's pretty cheap.
return mMilestoneEntries.Push(MilestoneEntry(aMilestone, aElement));
}
void
nsSMILTimeContainer::ClearMilestones()
{
mMilestoneEntries.Clear();
}
bool
nsSMILTimeContainer::GetNextMilestoneInParentTime(
nsSMILMilestone& aNextMilestone) const
{
if (mMilestoneEntries.IsEmpty())
return false;
nsSMILTimeValue parentTime =
ContainerToParentTime(mMilestoneEntries.Top().mMilestone.mTime);
if (!parentTime.IsDefinite())
return false;
aNextMilestone = nsSMILMilestone(parentTime.GetMillis(),
mMilestoneEntries.Top().mMilestone.mIsEnd);
return true;
}
bool
nsSMILTimeContainer::PopMilestoneElementsAtMilestone(
const nsSMILMilestone& aMilestone,
AnimElemArray& aMatchedElements)
{
if (mMilestoneEntries.IsEmpty())
return false;
nsSMILTimeValue containerTime = ParentToContainerTime(aMilestone.mTime);
if (!containerTime.IsDefinite())
return false;
nsSMILMilestone containerMilestone(containerTime.GetMillis(),
aMilestone.mIsEnd);
NS_ABORT_IF_FALSE(mMilestoneEntries.Top().mMilestone >= containerMilestone,
"Trying to pop off earliest times but we have earlier ones that were "
"overlooked");
bool gotOne = false;
while (!mMilestoneEntries.IsEmpty() &&
mMilestoneEntries.Top().mMilestone == containerMilestone)
{
aMatchedElements.AppendElement(mMilestoneEntries.Pop().mTimebase);
gotOne = true;
}
return gotOne;
}
void
nsSMILTimeContainer::Traverse(nsCycleCollectionTraversalCallback* aCallback)
{
const MilestoneEntry* p = mMilestoneEntries.Elements();
while (p < mMilestoneEntries.Elements() + mMilestoneEntries.Length()) {
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(*aCallback, "mTimebase");
aCallback->NoteXPCOMChild(static_cast<nsIContent*>(p->mTimebase.get()));
++p;
}
}
void
nsSMILTimeContainer::Unlink()
{
mMilestoneEntries.Clear();
}
void
nsSMILTimeContainer::UpdateCurrentTime()
{
nsSMILTime now = IsPaused() ? mPauseStart : GetParentTime();
mCurrentTime = now - mParentOffset;
NS_ABORT_IF_FALSE(mCurrentTime >= 0, "Container has negative time");
}
void
nsSMILTimeContainer::NotifyTimeChange()
{
// Called when the container time is changed with respect to the document
// time. When this happens time dependencies in other time containers need to
// re-resolve their times because begin and end times are stored in container
// time.
//
// To get the list of timed elements with dependencies we simply re-use the
// milestone elements. This is because any timed element with dependents and
// with significant transitions yet to fire should have their next milestone
// registered. Other timed elements don't matter.
const MilestoneEntry* p = mMilestoneEntries.Elements();
#if DEBUG
uint32_t queueLength = mMilestoneEntries.Length();
#endif
while (p < mMilestoneEntries.Elements() + mMilestoneEntries.Length()) {
mozilla::dom::SVGAnimationElement* elem = p->mTimebase.get();
elem->TimedElement().HandleContainerTimeChange();
NS_ABORT_IF_FALSE(queueLength == mMilestoneEntries.Length(),
"Call to HandleContainerTimeChange resulted in a change to the "
"queue of milestones");
++p;
}
}