зеркало из https://github.com/mozilla/pjs.git
Bug 534433. Destroy all nsImageLoaders when the prescontext is torn down. r=mats
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ca96d9cecd
Коммит
3013d736ac
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@ -253,9 +253,6 @@ nsPresContext::nsPresContext(nsIDocument* aDocument, nsPresContextType aType)
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nsPresContext::~nsPresContext()
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{
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for (PRUint32 i = 0; i < IMAGE_LOAD_TYPE_COUNT; ++i)
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mImageLoaders[i].Enumerate(destroy_loads, nsnull);
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NS_PRECONDITION(!mShell, "Presshell forgot to clear our mShell pointer");
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SetShell(nsnull);
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@ -374,11 +371,6 @@ NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(nsPresContext)
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// NS_RELEASE(tmp->mLookAndFeel); // a service
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// NS_RELEASE(tmp->mLangGroup); // an atom
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for (PRUint32 i = 0; i < IMAGE_LOAD_TYPE_COUNT; ++i) {
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tmp->mImageLoaders[i].Enumerate(destroy_loads, nsnull);
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tmp->mImageLoaders[i].Clear();
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}
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// NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mTheme); // a service
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// NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mLangService); // a service
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NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mPrintSettings);
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@ -992,6 +984,15 @@ nsPresContext::SetShell(nsIPresShell* aShell)
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UpdateCharSet(doc->GetDocumentCharacterSet());
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}
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}
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} else {
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// Destroy image loaders now that the presshell is going away.
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// This is important since imageloaders can have pointers to frames and
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// we don't want those pointers to outlive the destruction of the frame
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// arena.
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for (PRUint32 i = 0; i < IMAGE_LOAD_TYPE_COUNT; ++i) {
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mImageLoaders[i].Enumerate(destroy_loads, nsnull);
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mImageLoaders[i].Clear();
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}
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}
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}
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@ -1278,6 +1279,9 @@ nsPresContext::SetImageLoaders(nsIFrame* aTargetFrame,
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ImageLoadType aType,
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nsImageLoader* aImageLoaders)
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{
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NS_ASSERTION(mShell || !aImageLoaders,
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"Shouldn't add new image loader after the shell is gone");
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nsRefPtr<nsImageLoader> oldLoaders;
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mImageLoaders[aType].Get(aTargetFrame, getter_AddRefs(oldLoaders));
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@ -2748,6 +2748,8 @@ NS_IMETHODIMP
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PresShell::NotifyDestroyingFrame(nsIFrame* aFrame)
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{
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if (!mIgnoreFrameDestruction) {
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mPresContext->StopImagesFor(aFrame);
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mFrameConstructor->NotifyDestroyingFrame(aFrame);
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for (PRInt32 idx = mDirtyRoots.Length(); idx; ) {
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@ -451,10 +451,6 @@ nsFrame::DestroyFrom(nsIFrame* aDestructRoot)
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shell->ClearFrameRefs(this);
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}
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//XXX Why is this done in nsFrame instead of some frame class
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// that actually loads images?
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presContext->StopImagesFor(this);
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if (view) {
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// Break association between view and frame
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view->SetClientData(nsnull);
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