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-rw-r--r--dom/base/StyleSheetList.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/dom/base/StyleSheetList.h b/dom/base/StyleSheetList.h
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+++ b/dom/base/StyleSheetList.h
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+/* -*- 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