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Bug 1365092 - Move side effects of SetAttr, UnsetAttr, and ParseAttribute functions to BeforeSetAttr and AfterSetAttr r=bz

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This is necessary to facilitate the transition to cloning attributes instead of reparsing them.

MozReview-Commit-ID: Gyd1tD6ldly
This commit is contained in:
Kirk Steuber
2017-06-07 10:28:20 -07:00
parent 8f7a03110f
commit 6684b17554
32 changed files with 604 additions and 670 deletions
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144
dom/html/nsGenericHTMLFrameElement.cpp
View File

@@ -304,55 +304,6 @@ nsGenericHTMLFrameElement::UnbindFromTree(bool aDeep, bool aNullParent)
nsGenericHTMLElement::UnbindFromTree(aDeep, aNullParent);
}
nsresult
nsGenericHTMLFrameElement::SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
nsIAtom* aPrefix, const nsAString& aValue,
bool aNotify)
{
nsresult rv = nsGenericHTMLElement::SetAttr(aNameSpaceID, aName, aPrefix,
aValue, aNotify);
NS_ENSURE_SUCCESS(rv, rv);
if (aNameSpaceID == kNameSpaceID_None && aName == nsGkAtoms::src &&
(!IsHTMLElement(nsGkAtoms::iframe) ||
!HasAttr(kNameSpaceID_None,nsGkAtoms::srcdoc))) {
// Don't propagate error here. The attribute was successfully set, that's
// what we should reflect.
LoadSrc();
} else if (aNameSpaceID == kNameSpaceID_None && aName == nsGkAtoms::name) {
// Propagate "name" to the docshell to make browsing context names live,
// per HTML5.
nsIDocShell *docShell = mFrameLoader ? mFrameLoader->GetExistingDocShell()
: nullptr;
if (docShell) {
docShell->SetName(aValue);
}
}
return NS_OK;
}
nsresult
nsGenericHTMLFrameElement::UnsetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute,
bool aNotify)
{
// Invoke on the superclass.
nsresult rv = nsGenericHTMLElement::UnsetAttr(aNameSpaceID, aAttribute, aNotify);
NS_ENSURE_SUCCESS(rv, rv);
if (aNameSpaceID == kNameSpaceID_None && aAttribute == nsGkAtoms::name) {
// Propagate "name" to the docshell to make browsing context names live,
// per HTML5.
nsIDocShell *docShell = mFrameLoader ? mFrameLoader->GetExistingDocShell()
: nullptr;
if (docShell) {
docShell->SetName(EmptyString());
}
}
return NS_OK;
}
/* static */ int32_t
nsGenericHTMLFrameElement::MapScrollingAttribute(const nsAttrValue* aValue)
{
@@ -385,39 +336,88 @@ nsGenericHTMLFrameElement::AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
const nsAttrValue* aValue,
const nsAttrValue* aOldValue, bool aNotify)
{
if (aName == nsGkAtoms::scrolling && aNameSpaceID == kNameSpaceID_None) {
if (mFrameLoader) {
nsIDocShell* docshell = mFrameLoader->GetExistingDocShell();
nsCOMPtr<nsIScrollable> scrollable = do_QueryInterface(docshell);
if (scrollable) {
int32_t cur;
scrollable->GetDefaultScrollbarPreferences(nsIScrollable::ScrollOrientation_X, &cur);
int32_t val = MapScrollingAttribute(aValue);
if (cur != val) {
scrollable->SetDefaultScrollbarPreferences(nsIScrollable::ScrollOrientation_X, val);
scrollable->SetDefaultScrollbarPreferences(nsIScrollable::ScrollOrientation_Y, val);
RefPtr<nsPresContext> presContext;
docshell->GetPresContext(getter_AddRefs(presContext));
nsIPresShell* shell = presContext ? presContext->GetPresShell() : nullptr;
nsIFrame* rootScroll = shell ? shell->GetRootScrollFrame() : nullptr;
if (rootScroll) {
shell->FrameNeedsReflow(rootScroll, nsIPresShell::eStyleChange,
NS_FRAME_IS_DIRTY);
if (aValue) {
nsAttrValueOrString value(aValue);
AfterMaybeChangeAttr(aNameSpaceID, aName, &value, aNotify);
} else {
AfterMaybeChangeAttr(aNameSpaceID, aName, nullptr, aNotify);
}
if (aNameSpaceID == kNameSpaceID_None) {
if (aName == nsGkAtoms::scrolling) {
if (mFrameLoader) {
nsIDocShell* docshell = mFrameLoader->GetExistingDocShell();
nsCOMPtr<nsIScrollable> scrollable = do_QueryInterface(docshell);
if (scrollable) {
int32_t cur;
scrollable->GetDefaultScrollbarPreferences(nsIScrollable::ScrollOrientation_X, &cur);
int32_t val = MapScrollingAttribute(aValue);
if (cur != val) {
scrollable->SetDefaultScrollbarPreferences(nsIScrollable::ScrollOrientation_X, val);
scrollable->SetDefaultScrollbarPreferences(nsIScrollable::ScrollOrientation_Y, val);
RefPtr<nsPresContext> presContext;
docshell->GetPresContext(getter_AddRefs(presContext));
nsIPresShell* shell = presContext ? presContext->GetPresShell() : nullptr;
nsIFrame* rootScroll = shell ? shell->GetRootScrollFrame() : nullptr;
if (rootScroll) {
shell->FrameNeedsReflow(rootScroll, nsIPresShell::eStyleChange,
NS_FRAME_IS_DIRTY);
}
}
}
}
} else if (aName == nsGkAtoms::mozbrowser) {
mReallyIsBrowser = !!aValue && BrowserFramesEnabled() &&
PrincipalAllowsBrowserFrame(NodePrincipal());
}
}
if (aName == nsGkAtoms::mozbrowser && aNameSpaceID == kNameSpaceID_None) {
mReallyIsBrowser = !!aValue && BrowserFramesEnabled() &&
PrincipalAllowsBrowserFrame(NodePrincipal());
}
return nsGenericHTMLElement::AfterSetAttr(aNameSpaceID, aName, aValue,
aOldValue, aNotify);
}
nsresult
nsGenericHTMLFrameElement::OnAttrSetButNotChanged(int32_t aNamespaceID,
nsIAtom* aName,
const nsAttrValueOrString& aValue,
bool aNotify)
{
AfterMaybeChangeAttr(aNamespaceID, aName, &aValue, aNotify);
return nsGenericHTMLElement::OnAttrSetButNotChanged(aNamespaceID, aName,
aValue, aNotify);
}
void
nsGenericHTMLFrameElement::AfterMaybeChangeAttr(int32_t aNamespaceID,
nsIAtom* aName,
const nsAttrValueOrString* aValue,
bool aNotify)
{
if (aNamespaceID == kNameSpaceID_None) {
if (aName == nsGkAtoms::src) {
if (aValue && (!IsHTMLElement(nsGkAtoms::iframe) ||
!HasAttr(kNameSpaceID_None, nsGkAtoms::srcdoc))) {
// Don't propagate error here. The attribute was successfully set,
// that's what we should reflect.
LoadSrc();
}
} else if (aName == nsGkAtoms::name) {
// Propagate "name" to the docshell to make browsing context names live,
// per HTML5.
nsIDocShell* docShell = mFrameLoader ? mFrameLoader->GetExistingDocShell()
: nullptr;
if (docShell) {
if (aValue) {
docShell->SetName(aValue->String());
} else {
docShell->SetName(EmptyString());
}
}
}
}
}
void
nsGenericHTMLFrameElement::DestroyContent()
{