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Bug 487667 - Clone documents for printing, r=roc+jst+joe+dbaron

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This commit is contained in:
Olli Pettay
2009-12-10 20:02:13 -08:00
parent be28d4906a
commit 2e3d0c93fe
73 changed files with 1422 additions and 495 deletions
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140
layout/base/nsPresShell.cpp
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@@ -1223,9 +1223,6 @@ protected:
static PRBool sDisableNonTestMouseEvents;
nsCOMPtr<nsIDocumentObserver> mDocumentObserverForNonDynamicContext;
// false if a check should be done for key/ime events that should be
// retargeted to the currently focused presshell
static PRBool sDontRetargetEvents;
@@ -1340,122 +1337,6 @@ public:
nsRefPtr<PresShell> mPresShell;
};
class nsDocumentObserverForNonDynamicPresContext : public nsStubDocumentObserver
{
public:
nsDocumentObserverForNonDynamicPresContext(PresShell* aBaseObserver)
: mBaseObserver(aBaseObserver)
{
NS_ASSERTION(aBaseObserver, "Null document observer!");
}
NS_DECL_ISUPPORTS
virtual void BeginUpdate(nsIDocument* aDocument, nsUpdateType aUpdateType)
{
mBaseObserver->BeginUpdate(aDocument, aUpdateType);
}
virtual void EndUpdate(nsIDocument* aDocument, nsUpdateType aUpdateType)
{
mBaseObserver->EndUpdate(aDocument, aUpdateType);
}
virtual void BeginLoad(nsIDocument* aDocument)
{
mBaseObserver->BeginLoad(aDocument);
}
virtual void EndLoad(nsIDocument* aDocument)
{
mBaseObserver->EndLoad(aDocument);
}
virtual void ContentStatesChanged(nsIDocument* aDocument,
nsIContent* aContent1,
nsIContent* aContent2,
PRInt32 aStateMask)
{
if ((!aContent1 || AllowMutation(aContent1)) &&
(!aContent2 || AllowMutation(aContent2))) {
mBaseObserver->ContentStatesChanged(aDocument, aContent1, aContent2,
aStateMask);
}
}
// nsIMutationObserver
virtual void CharacterDataChanged(nsIDocument* aDocument,
nsIContent* aContent,
CharacterDataChangeInfo* aInfo)
{
if (AllowMutation(aContent)) {
mBaseObserver->CharacterDataChanged(aDocument, aContent, aInfo);
}
}
virtual void AttributeChanged(nsIDocument* aDocument,
nsIContent* aContent,
PRInt32 aNameSpaceID,
nsIAtom* aAttribute,
PRInt32 aModType)
{
if (AllowMutation(aContent)) {
mBaseObserver->AttributeChanged(aDocument, aContent, aNameSpaceID,
aAttribute, aModType);
}
}
virtual void ContentAppended(nsIDocument* aDocument,
nsIContent* aContainer,
PRInt32 aNewIndexInContainer)
{
if (AllowMutation(aContainer)) {
mBaseObserver->ContentAppended(aDocument, aContainer,
aNewIndexInContainer);
}
}
virtual void ContentInserted(nsIDocument* aDocument,
nsIContent* aContainer,
nsIContent* aChild,
PRInt32 aIndexInContainer)
{
if (AllowMutation(aContainer)) {
mBaseObserver->ContentInserted(aDocument, aContainer, aChild,
aIndexInContainer);
}
}
virtual void ContentRemoved(nsIDocument* aDocument,
nsIContent* aContainer,
nsIContent* aChild,
PRInt32 aIndexInContainer)
{
if (AllowMutation(aContainer)) {
mBaseObserver->ContentRemoved(aDocument, aContainer, aChild,
aIndexInContainer);
}
}
PRBool AllowMutation(nsIContent* aContent) {
if(aContent && aContent->IsInDoc()) {
if (mBaseObserver->ObservesNativeAnonMutationsForPrint() &&
aContent->IsInNativeAnonymousSubtree()) {
return PR_TRUE;
}
// Changes to scrollbar are always ok.
nsIContent* root = aContent->GetCurrentDoc()->GetRootContent();
while (aContent && aContent->IsInNativeAnonymousSubtree()) {
nsIContent* parent = aContent->GetParent();
if (parent == root && aContent->IsXUL()) {
nsIAtom* tag = aContent->Tag();
return tag == nsGkAtoms::scrollbar || tag == nsGkAtoms::scrollcorner;
}
aContent = parent;
}
}
return PR_FALSE;
}
protected:
nsRefPtr<PresShell> mBaseObserver;
};
NS_IMPL_ISUPPORTS2(nsDocumentObserverForNonDynamicPresContext,
nsIDocumentObserver,
nsIMutationObserver)
PRBool PresShell::sDisableNonTestMouseEvents = PR_FALSE;
PRBool PresShell::sDontRetargetEvents = PR_FALSE;
@@ -2532,14 +2413,7 @@ NS_IMETHODIMP
PresShell::BeginObservingDocument()
{
if (mDocument && !mIsDestroying) {
if (mPresContext->IsDynamic()) {
mDocument->AddObserver(this);
} else {
mDocumentObserverForNonDynamicContext =
new nsDocumentObserverForNonDynamicPresContext(this);
NS_ENSURE_TRUE(mDocumentObserverForNonDynamicContext, NS_ERROR_OUT_OF_MEMORY);
mDocument->AddObserver(mDocumentObserverForNonDynamicContext);
}
mDocument->AddObserver(this);
if (mIsDocumentGone) {
NS_WARNING("Adding a presshell that was disconnected from the document "
"as a document observer? Sounds wrong...");
@@ -2557,10 +2431,7 @@ PresShell::EndObservingDocument()
// is gone, perhaps? Except for printing it's NOT gone, sometimes.
mIsDocumentGone = PR_TRUE;
if (mDocument) {
mDocument->RemoveObserver(mDocumentObserverForNonDynamicContext ?
mDocumentObserverForNonDynamicContext.get() :
this);
mDocumentObserverForNonDynamicContext = nsnull;
mDocument->RemoveObserver(this);
}
return NS_OK;
}
@@ -3624,10 +3495,6 @@ PresShell::RecreateFramesFor(nsIContent* aContent)
return NS_OK;
}
if (!mPresContext->IsDynamic()) {
return NS_OK;
}
// Don't call RecreateFramesForContent since that is not exported and we want
// to keep the number of entrypoints down.
@@ -5159,9 +5026,6 @@ PresShell::ContentRemoved(nsIDocument *aDocument,
nsresult
PresShell::ReconstructFrames(void)
{
if (!mPresContext || !mPresContext->IsDynamic()) {
return NS_OK;
}
nsAutoCauseReflowNotifier crNotifier(this);
mFrameConstructor->BeginUpdate();
nsresult rv = mFrameConstructor->ReconstructDocElementHierarchy();