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Bug 837315 - Add SVG document loaded event. r=bz

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This commit is contained in:
Seth Fowler 2013-02-04 10:14:17 -08:00
parent 792423680f
commit 9e1cc718d6
1 changed files with 24 additions and 9 deletions
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33
content/base/src/nsDocument.cpp
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@ -7541,15 +7541,30 @@ nsDocument::UnblockOnload(bool aFireSync)
--mOnloadBlockCount;
// If mScriptGlobalObject is null, we shouldn't be messing with the loadgroup
// -- it's not ours.
if (mOnloadBlockCount == 0 && mScriptGlobalObject) {
if (aFireSync && mAsyncOnloadBlockCount == 0) {
// Increment mOnloadBlockCount, since DoUnblockOnload will decrement it
++mOnloadBlockCount;
DoUnblockOnload();
} else {
PostUnblockOnloadEvent();
if (mOnloadBlockCount == 0) {
if (mScriptGlobalObject) {
// Only manipulate the loadgroup in this case, because if mScriptGlobalObject
// is null, it's not ours.
if (aFireSync && mAsyncOnloadBlockCount == 0) {
// Increment mOnloadBlockCount, since DoUnblockOnload will decrement it
++mOnloadBlockCount;
DoUnblockOnload();
} else {
PostUnblockOnloadEvent();
}
} else if (mIsBeingUsedAsImage) {
// To correctly unblock onload for a document that contains an SVG
// image, we need to know when all of the SVG document's resources are
// done loading, in a way comparable to |window.onload|. We fire this
// event to indicate that the SVG should be considered fully loaded.
// Because scripting is disabled on SVG-as-image documents, this event
// is not accessible to content authors. (See bug 837135.)
nsRefPtr<nsAsyncDOMEvent> e =
new nsAsyncDOMEvent(this,
NS_LITERAL_STRING("MozSVGAsImageDocumentLoad"),
false,
false);
e->PostDOMEvent();
}
}
}