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Bug 1170572 - MQ CSS change not observed by picture source elements r=jdm

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This commit is contained in:
Nick Robson
2016-02-03 02:53:00 +01:00
parent 7bd694e512
commit 2791754ee8
3 changed files with 24 additions and 13 deletions
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30
dom/html/HTMLSourceElement.cpp
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@@ -82,6 +82,20 @@ HTMLSourceElement::WouldMatchMediaForDocument(const nsAString& aMedia,
return pctx && mediaList->Matches(pctx, nullptr);
}
void
HTMLSourceElement::UpdateMediaList(const nsAttrValue* aValue)
{
mMediaList = nullptr;
nsString mediaStr;
if (!aValue || (mediaStr = aValue->GetStringValue()).IsEmpty()) {
return;
}
nsCSSParser cssParser;
mMediaList = new nsMediaList();
cssParser.ParseMediaList(mediaStr, nullptr, 0, mMediaList, false);
}
nsresult
HTMLSourceElement::AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
const nsAttrValue* aValue, bool aNotify)
@@ -105,23 +119,17 @@ HTMLSourceElement::AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
img->PictureSourceSrcsetChanged(AsContent(), strVal, aNotify);
} else if (aName == nsGkAtoms::sizes) {
img->PictureSourceSizesChanged(AsContent(), strVal, aNotify);
} else if (aName == nsGkAtoms::media ||
aName == nsGkAtoms::type) {
} else if (aName == nsGkAtoms::media) {
UpdateMediaList(aValue);
img->PictureSourceMediaOrTypeChanged(AsContent(), aNotify);
} else if (aName == nsGkAtoms::type) {
img->PictureSourceMediaOrTypeChanged(AsContent(), aNotify);
}
}
}
} else if (aNameSpaceID == kNameSpaceID_None && aName == nsGkAtoms::media) {
mMediaList = nullptr;
if (aValue) {
nsString mediaStr = aValue->GetStringValue();
if (!mediaStr.IsEmpty()) {
nsCSSParser cssParser;
mMediaList = new nsMediaList();
cssParser.ParseMediaList(mediaStr, nullptr, 0, mMediaList, false);
}
}
UpdateMediaList(aValue);
} else if (aNameSpaceID == kNameSpaceID_None && aName == nsGkAtoms::src) {
mSrcMediaSource = nullptr;
if (aValue) {