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Bug 485157: SMIL event timing, part 1 refactor added end time handling, r=dholbert, sr=roc, a=roc

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This commit is contained in:
Brian Birtles 2010-08-18 19:20:24 +09:00
parent 060337561d
commit c81d68f39a
9 changed files with 37 additions and 48 deletions
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2
content/smil/nsSMILInstanceTime.cpp
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@ -104,7 +104,7 @@ nsSMILInstanceTime::nsSMILInstanceTime(const nsSMILTimeValue& aTime,
nsSMILInstanceTime::~nsSMILInstanceTime()
{
NS_ABORT_IF_FALSE(!mBaseInterval && !mCreator,
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 "

5
content/smil/nsSMILInstanceTime.h
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@ -140,8 +140,9 @@ protected:
enum {
// Indicates that this instance time was generated by an event or a DOM
// call. Such instance times require special handling when (i) the owning
// element is reset, and (ii) when a backwards seek is performed and the
// timing model is reconstructed.
// element is reset, (ii) when they are to be added as a new end instance
// times (as per SMIL's event sensitivity contraints), and (iii) when
// a backwards seek is performed and the timing model is reconstructed.
kDynamic = 1,
// Indicates that this instance time is referred to by an

13
content/smil/nsSMILTimedElement.cpp
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@ -343,6 +343,19 @@ nsSMILTimedElement::AddInstanceTime(nsSMILInstanceTime* aInstanceTime,
{
NS_ABORT_IF_FALSE(aInstanceTime, "Attempting to add null instance time");
// Event-sensitivity: If an element is not active (but the parent time
// container is), then events are only handled for begin specifications.
if (mElementState != STATE_ACTIVE && !aIsBegin &&
aInstanceTime->IsDynamic())
{
// No need to call Unlink here--dynamic instance times shouldn't be linked
// to anything that's going to miss them
NS_ABORT_IF_FALSE(!aInstanceTime->GetBaseInterval(),
"Dynamic instance time has a base interval--we probably need to unlink"
" it if we're not going to use it");
return;
}
aInstanceTime->SetSerial(++mInstanceSerialIndex);
InstanceTimeList& instanceList = aIsBegin ? mBeginInstances : mEndInstances;
nsRefPtr<nsSMILInstanceTime>* inserted =

2
layout/reftests/svg/smil/restart/reftest.list
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@ -3,6 +3,6 @@
== reset-2.svg green-box-ref.svg
== reset-3.svg green-box-ref.svg
== reset-4.svg green-box-ref.svg
== reset-5.svg green-box-ref.svg
# reset-5.svg is no longer valid and has been removed
== reset-6.svg green-box-ref.svg
== reset-7.svg green-box-ref.svg

13
layout/reftests/svg/smil/restart/reset-2.svg
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@ -7,8 +7,9 @@
|..| |..|
1 2 3 4
But at t=2.5s we add an end instance at t=3.5s. This should be cleared when we
restart at t=3s and hence the animation should still be playing after t=3.5s.
But at t=2.5s we add a begin instance at t=3.9s. This should be cleared when
we restart at t=3s and hence the animation should no longer be playing at
t=4s.
-->
<svg xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink"
@ -20,13 +21,13 @@
svg.pauseAnimations();
svg.setCurrentTime(2.5);
var anim = document.getElementById('anim');
anim.endElementAt(1);
setTimeAndSnapshot(3.7, true);
anim.beginElementAt(1.4);
setTimeAndSnapshot(4.0, true);
}
]]></script>
<script xlink:href="../smil-util.js" type="text/javascript"/>
<rect width="100" height="100" fill="red">
<rect width="100" height="100" fill="green">
<set attributeName="fill" attributeType="CSS"
to="green" begin="1s; 3s" end="2s; 4s" dur="1s" fill="remove" id="anim"/>
to="red" begin="1s; 3s" dur="1s" fill="remove" id="anim"/>
</rect>
</svg>

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14
layout/reftests/svg/smil/restart/reset-3.svg
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@ -13,9 +13,9 @@
|..|
1 2
But at t=0.5s we add an end instance at t=1.5s. This should NOT be cleared
when we start at t=1s and hence the animation should NOT still be playing
after t=1.5s.
But at t=0.5s we add a begin instance at t=1.5s. This should NOT be cleared
when we start at t=1s and hence the animation should STILL be playing
at t=2.0s.
-->
<svg xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink"
@ -27,13 +27,13 @@
svg.pauseAnimations();
svg.setCurrentTime(0.5);
var anim = document.getElementById('anim');
anim.endElementAt(1);
setTimeAndSnapshot(1.5, true);
anim.beginElementAt(1);
setTimeAndSnapshot(2.0, true);
}
]]></script>
<script xlink:href="../smil-util.js" type="text/javascript"/>
<rect width="100" height="100" fill="green">
<rect width="100" height="100" fill="red">
<set attributeName="fill" attributeType="CSS"
to="red" begin="1s" end="2s" dur="1s" fill="remove" id="anim"/>
to="green" begin="1s" dur="1s" fill="remove" id="anim"/>
</rect>
</svg>

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6
layout/reftests/svg/smil/restart/reset-4.svg
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@ -13,15 +13,15 @@
function addInstanceTimes() {
var svg = document.documentElement;
svg.pauseAnimations();
svg.setCurrentTime(0.5);
svg.setCurrentTime(1.0);
var anim = document.getElementById('anim');
anim.endElementAt(1);
anim.endElementAt(0.5);
setTimeAndSnapshot(1.5, true);
}
]]></script>
<script xlink:href="../smil-util.js" type="text/javascript"/>
<rect width="100" height="100" fill="green">
<set attributeName="fill" attributeType="CSS"
to="red" begin="1s" end="2s" dur="1s" fill="remove" id="anim"/>
to="red" begin="1s" dur="1s" fill="remove" id="anim"/>
</rect>
</svg>

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26
layout/reftests/svg/smil/restart/reset-5.svg
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@ -1,26 +0,0 @@
<!--
A variation on reset-4.svg. If the added end instance is before the current
interval we should not delete it but just ignore it and use the active
duration to calculate the end of the interval. This is consistent with the
operation of the SMIL pseudocode for getNextInterval when we have end events.
-->
<svg xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink"
class="reftest-wait"
onload="addInstanceTimes()">
<script type="text/ecmascript"><![CDATA[
function addInstanceTimes() {
var svg = document.documentElement;
svg.pauseAnimations();
svg.setCurrentTime(0.5);
var anim = document.getElementById('anim');
anim.endElementAt(0);
setTimeAndSnapshot(1.5, true);
}
]]></script>
<script xlink:href="../smil-util.js" type="text/javascript"/>
<rect width="100" height="100" fill="red">
<set attributeName="fill" attributeType="CSS"
to="green" begin="1s" end="2s" dur="1s" fill="remove" id="anim"/>
</rect>
</svg>
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4
layout/reftests/svg/smil/restart/reset-6.svg
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@ -27,7 +27,7 @@
^
1 2 3 3.5
At t=2s we'll go to look for the next interval and construct one from 3s-4s.
At t=2s we'll go to look for the next interval and construct one from 3s-3.5s.
We should apply restart behaviour at t=3s meaning we'll reset instance times
generated by DOM calls in the past however we'll keep the begin instance time
at 3s since it defines the beginning of the (now) current interval. Sticking
@ -46,7 +46,7 @@
svg.setCurrentTime(1.5);
var anim = document.getElementById('anim');
anim.beginElementAt(1.5);
anim.endElementAt(2.5);
anim.endElementAt(2);
setTimeAndSnapshot(3.7, true);
}
]]></script>