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added check for null frame. The child frame can be null when a comment node exists as

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one of the children of the select. r=kmcclusk, Bug #16355
This commit is contained in:
rods%netscape.com 1999-10-20 23:35:38 +00:00
parent 173720c25a
commit 441e02909f
2 changed files with 46 additions and 42 deletions
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44
layout/base/nsCSSFrameConstructor.cpp
View File

@ -6337,30 +6337,32 @@ nsCSSFrameConstructor::RemoveDummyFrameFromSelect(nsIPresContext* aPresContext,
// Get the childFrame for the added child (option)
// then get the child's parent frame which should be an area frame
aPresShell->GetPrimaryFrameFor(aChild, &childFrame);
childFrame->GetParent(&parentFrame);
if (nsnull != childFrame) {
childFrame->GetParent(&parentFrame);
// Now loop through all the child looking fr the frame whose content
// is equal to the select element's content
// this is because when gernated content is created it stuff the parent content
// pointer into the generated frame, so in this case it has the select content
parentFrame->FirstChild(nsnull, &childFrame);
nsCOMPtr<nsIContent> selectContent = do_QueryInterface(aSelectElement);
while (nsnull != childFrame) {
nsIContent * content;
childFrame->GetContent(&content);
// Now loop through all the child looking fr the frame whose content
// is equal to the select element's content
// this is because when gernated content is created it stuff the parent content
// pointer into the generated frame, so in this case it has the select content
parentFrame->FirstChild(nsnull, &childFrame);
nsCOMPtr<nsIContent> selectContent = do_QueryInterface(aSelectElement);
while (nsnull != childFrame) {
nsIContent * content;
childFrame->GetContent(&content);
// Found the dummy frame so get the FrameManager and
// delete/remove the dummy frame
if (selectContent.get() == content) {
nsCOMPtr<nsIFrameManager> frameManager;
aPresShell->GetFrameManager(getter_AddRefs(frameManager));
frameManager->RemoveFrame(*aPresContext, *aPresShell, parentFrame, nsnull, childFrame);
NS_IF_RELEASE(content);
return NS_OK;
}
// Found the dummy frame so get the FrameManager and
// delete/remove the dummy frame
if (selectContent.get() == content) {
nsCOMPtr<nsIFrameManager> frameManager;
aPresShell->GetFrameManager(getter_AddRefs(frameManager));
frameManager->RemoveFrame(*aPresContext, *aPresShell, parentFrame, nsnull, childFrame);
NS_IF_RELEASE(content);
return NS_OK;
}
NS_IF_RELEASE(content);
childFrame->GetNextSibling(&childFrame);
NS_IF_RELEASE(content);
childFrame->GetNextSibling(&childFrame);
}
}
}
}

44
layout/html/style/src/nsCSSFrameConstructor.cpp
View File

@ -6337,30 +6337,32 @@ nsCSSFrameConstructor::RemoveDummyFrameFromSelect(nsIPresContext* aPresContext,
// Get the childFrame for the added child (option)
// then get the child's parent frame which should be an area frame
aPresShell->GetPrimaryFrameFor(aChild, &childFrame);
childFrame->GetParent(&parentFrame);
if (nsnull != childFrame) {
childFrame->GetParent(&parentFrame);
// Now loop through all the child looking fr the frame whose content
// is equal to the select element's content
// this is because when gernated content is created it stuff the parent content
// pointer into the generated frame, so in this case it has the select content
parentFrame->FirstChild(nsnull, &childFrame);
nsCOMPtr<nsIContent> selectContent = do_QueryInterface(aSelectElement);
while (nsnull != childFrame) {
nsIContent * content;
childFrame->GetContent(&content);
// Now loop through all the child looking fr the frame whose content
// is equal to the select element's content
// this is because when gernated content is created it stuff the parent content
// pointer into the generated frame, so in this case it has the select content
parentFrame->FirstChild(nsnull, &childFrame);
nsCOMPtr<nsIContent> selectContent = do_QueryInterface(aSelectElement);
while (nsnull != childFrame) {
nsIContent * content;
childFrame->GetContent(&content);
// Found the dummy frame so get the FrameManager and
// delete/remove the dummy frame
if (selectContent.get() == content) {
nsCOMPtr<nsIFrameManager> frameManager;
aPresShell->GetFrameManager(getter_AddRefs(frameManager));
frameManager->RemoveFrame(*aPresContext, *aPresShell, parentFrame, nsnull, childFrame);
NS_IF_RELEASE(content);
return NS_OK;
}
// Found the dummy frame so get the FrameManager and
// delete/remove the dummy frame
if (selectContent.get() == content) {
nsCOMPtr<nsIFrameManager> frameManager;
aPresShell->GetFrameManager(getter_AddRefs(frameManager));
frameManager->RemoveFrame(*aPresContext, *aPresShell, parentFrame, nsnull, childFrame);
NS_IF_RELEASE(content);
return NS_OK;
}
NS_IF_RELEASE(content);
childFrame->GetNextSibling(&childFrame);
NS_IF_RELEASE(content);
childFrame->GetNextSibling(&childFrame);
}
}
}
}