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Bug 1161413 - Part 3: Only reflow from the font face loader if we have a pres context. r=jdaggett

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This commit is contained in:
Cameron McCormack 2015-06-27 11:39:54 +10:00
parent 1a147dda51
commit f8e4d123ba
1 changed files with 2 additions and 6 deletions
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8
layout/style/nsFontFaceLoader.cpp
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@ -118,7 +118,6 @@ nsFontFaceLoader::LoadTimerCallback(nsITimer* aTimer, void* aClosure)
if (updateUserFontSet) {
ufe->mFontDataLoadingState = gfxUserFontEntry::LOADING_SLOWLY;
nsPresContext* ctx = loader->mFontFaceSet->GetPresContext();
NS_ASSERTION(ctx, "userfontset doesn't have a presContext?");
if (ctx) {
loader->mFontFaceSet->IncrementGeneration();
ctx->UserFontSetUpdated(loader->GetUserFontEntry());
@ -155,10 +154,6 @@ nsFontFaceLoader::OnStreamComplete(nsIStreamLoader* aLoader,
}
}
nsPresContext* ctx = mFontFaceSet->GetPresContext();
NS_ASSERTION(ctx && !ctx->PresShell()->IsDestroying(),
"We should have been canceled already");
if (NS_SUCCEEDED(aStatus)) {
// for HTTP requests, check whether the request _actually_ succeeded;
// the "request status" in aStatus does not necessarily indicate this,
@ -184,11 +179,12 @@ nsFontFaceLoader::OnStreamComplete(nsIStreamLoader* aLoader,
// This is called even in the case of a failed download (HTTP 404, etc),
// as there may still be data to be freed (e.g. an error page),
// and we need to load the next source.
nsPresContext* ctx = mFontFaceSet->GetPresContext();
bool fontUpdate =
mUserFontEntry->FontDataDownloadComplete(aString, aStringLen, aStatus);
// when new font loaded, need to reflow
if (fontUpdate) {
if (fontUpdate && ctx) {
// Update layout for the presence of the new font. Since this is
// asynchronous, reflows will coalesce.
ctx->UserFontSetUpdated(mUserFontEntry);