/* -*- 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, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_StyleSheetList_h
#define mozilla_dom_StyleSheetList_h
#include "nsContentUtils.h"
#include "mozilla/dom/DocumentOrShadowRoot.h"
#include "nsStubMutationObserver.h"
#include "nsWrapperCache.h"
class nsINode;
namespace mozilla {
class StyleSheet;
namespace dom {
class StyleSheetList final :
public nsStubMutationObserver,
public nsWrapperCache {
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(StyleSheetList)
NS_DECL_NSIMUTATIONOBSERVER_NODEWILLBEDESTROYED
explicit StyleSheetList(DocumentOrShadowRoot& aScope);
JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) final;
nsINode* GetParentObject()
const {
return mDocumentOrShadowRoot ? &mDocumentOrShadowRoot->AsNode() : nullptr;
}
uint32_t Length()
const {
return mDocumentOrShadowRoot ? mDocumentOrShadowRoot->SheetCount() : 0;
}
StyleSheet* IndexedGetter(uint32_t aIndex,
bool& aFound)
const {
if (!mDocumentOrShadowRoot) {
aFound =
false;
return nullptr;
}
StyleSheet* sheet = mDocumentOrShadowRoot->SheetAt(aIndex);
aFound = !!sheet;
return sheet;
}
StyleSheet* Item(uint32_t aIndex)
const {
bool dummy =
false;
return IndexedGetter(aIndex, dummy);
}
protected:
virtual ~StyleSheetList();
DocumentOrShadowRoot*
mDocumentOrShadowRoot;
// Weak, cleared on "NodeWillBeDestroyed".
};
}
// namespace dom
}
// namespace mozilla
#endif // mozilla_dom_StyleSheetList_h
