Bommels05/Mozilla
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

added reparent style context

Browse Source 
git-svn-id: svn://10.0.0.236/trunk@45965 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
peterl%netscape.com
1999-09-03 23:35:41 +00:00
parent b5634c8488
commit 791d9a651c
23 changed files with 447 additions and 68 deletions
Download Patch File Download Diff File Expand all files Collapse all files

63
mozilla/layout/style/nsStyleSet.cpp
View File

@@ -80,6 +80,11 @@ public:
nsIStyleContext* aParentContext,
PRBool aForceUnique = PR_FALSE);
NS_IMETHOD ReParentStyleContext(nsIPresContext* aPresContext,
nsIStyleContext* aStyleContext,
nsIStyleContext* aNewParentContext,
nsIStyleContext** aNewStyleContext);
NS_IMETHOD HasStateDependentStyle(nsIPresContext* aPresContext,
nsIContent* aContent);
@@ -726,6 +731,64 @@ nsIStyleContext* StyleSetImpl::ProbePseudoStyleFor(nsIPresContext* aPresContext,
return result;
}
NS_IMETHODIMP
StyleSetImpl::ReParentStyleContext(nsIPresContext* aPresContext,
nsIStyleContext* aStyleContext,
nsIStyleContext* aNewParentContext,
nsIStyleContext** aNewStyleContext)
{
NS_ASSERTION(aPresContext, "must have pres context");
NS_ASSERTION(aPresContext, "must have pres context");
NS_ASSERTION(aPresContext, "must have pres context");
nsresult result = NS_ERROR_NULL_POINTER;
if (aPresContext && aStyleContext && aNewStyleContext) {
nsIStyleContext* oldParent = aStyleContext->GetParent();
if (oldParent == aNewParentContext) {
result = NS_OK;
NS_ADDREF(aStyleContext); // for return
*aNewStyleContext = aStyleContext;
}
else { // really a new parent
nsIStyleContext* newChild = nsnull;
nsIAtom* pseudoTag = nsnull;
aStyleContext->GetPseudoType(pseudoTag);
nsISupportsArray* rules = aStyleContext->GetStyleRules();
if (aNewParentContext) {
result = aNewParentContext->FindChildWithRules(pseudoTag, rules, newChild);
}
if (newChild) { // new parent already has one
*aNewStyleContext = newChild;
}
else { // need to make one in the new parent
nsISupportsArray* newRules = nsnull;
if (rules) {
newRules = mRecycler;
mRecycler = nsnull;
if (! newRules) {
result = NS_NewISupportsArray(&newRules);
}
if (newRules) {
newRules->AppendElements(rules);
}
}
result = NS_NewStyleContext(aNewStyleContext, aNewParentContext, pseudoTag,
newRules, aPresContext);
NS_IF_RELEASE(newRules);
}
NS_IF_RELEASE(rules);
NS_IF_RELEASE(pseudoTag);
}
NS_IF_RELEASE(oldParent);
}
return result;
}
struct StatefulData {
StatefulData(nsIPresContext* aPresContext, nsIContent* aContent)
: mPresContext(aPresContext),