Source code
Revision control
Copy as Markdown
Other Tools
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
#include "CustomStateSet.h"
#include "mozilla/dom/ElementInternalsBinding.h"
#include "mozilla/dom/HTMLElement.h"
#include "mozilla/dom/Document.h"
#include "mozilla/PresShell.h"
namespace mozilla::dom {
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(CustomStateSet, mTarget);
NS_IMPL_CYCLE_COLLECTING_ADDREF(CustomStateSet)
NS_IMPL_CYCLE_COLLECTING_RELEASE(CustomStateSet)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(CustomStateSet)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_END
CustomStateSet::CustomStateSet(HTMLElement* aTarget) : mTarget(aTarget) {}
// WebIDL interface
nsISupports* CustomStateSet::GetParentObject() const {
return ToSupports(mTarget);
}
JSObject* CustomStateSet::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return CustomStateSet_Binding::Wrap(aCx, this, aGivenProto);
}
void CustomStateSet::Clear(ErrorResult& aRv) {
CustomStateSet_Binding::SetlikeHelpers::Clear(this, aRv);
if (aRv.Failed()) {
return;
}
nsTArray<RefPtr<nsAtom>>& states = mTarget->EnsureCustomStates();
Document* doc = mTarget->GetComposedDoc();
PresShell* presShell = doc ? doc->GetPresShell() : nullptr;
if (presShell) {
presShell->CustomStatesWillChange(*mTarget);
// Iterate over each state to ensure each one is invalidated.
while (!states.IsEmpty()) {
RefPtr<nsAtom> atom = states.PopLastElement();
presShell->CustomStateChanged(*mTarget, atom);
}
return;
}
states.Clear();
}
bool CustomStateSet::Delete(const nsAString& aState, ErrorResult& aRv) {
CustomStateSet_Binding::SetlikeHelpers::Delete(this, aState, aRv);
if (aRv.Failed()) {
return false;
}
RefPtr<nsAtom> atom = NS_AtomizeMainThread(aState);
Document* doc = mTarget->GetComposedDoc();
PresShell* presShell = doc ? doc->GetPresShell() : nullptr;
if (presShell) {
presShell->CustomStatesWillChange(*mTarget);
}
bool deleted = mTarget->EnsureCustomStates().RemoveElement(atom);
if (presShell) {
presShell->CustomStateChanged(*mTarget, atom);
}
return deleted;
}
void CustomStateSet::Add(const nsAString& aState, ErrorResult& aRv) {
CustomStateSet_Binding::SetlikeHelpers::Add(this, aState, aRv);
if (aRv.Failed()) {
return;
}
nsTArray<RefPtr<nsAtom>>& states = mTarget->EnsureCustomStates();
RefPtr<nsAtom> atom = NS_AtomizeMainThread(aState);
if (states.Contains(atom)) {
return;
}
Document* doc = mTarget->GetComposedDoc();
PresShell* presShell = doc ? doc->GetPresShell() : nullptr;
if (presShell) {
presShell->CustomStatesWillChange(*mTarget);
}
states.AppendElement(atom);
if (presShell) {
presShell->CustomStateChanged(*mTarget, atom);
}
}
} // namespace mozilla::dom