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-rw-r--r--dom/base/nsDOMTokenList.h104
1 files changed, 104 insertions, 0 deletions
diff --git a/dom/base/nsDOMTokenList.h b/dom/base/nsDOMTokenList.h
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+++ b/dom/base/nsDOMTokenList.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/. */
+
+/*
+ * Implementation of DOMTokenList specified by HTML5.
+ */
+
+#ifndef nsDOMTokenList_h___
+#define nsDOMTokenList_h___
+
+#include "nsCOMPtr.h"
+#include "nsContentUtils.h"
+#include "nsDOMString.h"
+#include "nsWhitespaceTokenizer.h"
+#include "nsWrapperCache.h"
+#include "mozilla/dom/Element.h"
+#include "mozilla/dom/BindingDeclarations.h"
+#include "mozilla/dom/DOMTokenListSupportedTokens.h"
+
+namespace mozilla {
+class ErrorResult;
+
+} // namespace mozilla
+
+class nsAttrValue;
+class nsIAtom;
+
+// nsISupports must be on the primary inheritance chain
+
+class nsDOMTokenList : public nsISupports,
+ public nsWrapperCache
+{
+protected:
+ typedef mozilla::dom::Element Element;
+ typedef nsWhitespaceTokenizerTemplate<nsContentUtils::IsHTMLWhitespace>
+ WhitespaceTokenizer;
+
+public:
+ NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+ NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsDOMTokenList)
+
+ nsDOMTokenList(Element* aElement, nsIAtom* aAttrAtom,
+ const mozilla::dom::DOMTokenListSupportedTokenArray = nullptr);
+
+ virtual JSObject* WrapObject(JSContext *cx, JS::Handle<JSObject*> aGivenProto) override;
+
+ Element* GetParentObject()
+ {
+ return mElement;
+ }
+
+ uint32_t Length();
+ void Item(uint32_t aIndex, nsAString& aResult)
+ {
+ bool found;
+ IndexedGetter(aIndex, found, aResult);
+ if (!found) {
+ SetDOMStringToNull(aResult);
+ }
+ }
+ void IndexedGetter(uint32_t aIndex, bool& aFound, nsAString& aResult);
+ bool Contains(const nsAString& aToken);
+ void Add(const nsAString& aToken, mozilla::ErrorResult& aError);
+ void Add(const nsTArray<nsString>& aTokens,
+ mozilla::ErrorResult& aError);
+ void Remove(const nsAString& aToken, mozilla::ErrorResult& aError);
+ void Remove(const nsTArray<nsString>& aTokens,
+ mozilla::ErrorResult& aError);
+ void Replace(const nsAString& aToken,
+ const nsAString& aNewToken,
+ mozilla::ErrorResult& aError);
+ bool Toggle(const nsAString& aToken,
+ const mozilla::dom::Optional<bool>& force,
+ mozilla::ErrorResult& aError);
+ bool Supports(const nsAString& aToken,
+ mozilla::ErrorResult& aError);
+
+ void GetValue(nsAString& aResult) { Stringify(aResult); }
+ void SetValue(const nsAString& aValue, mozilla::ErrorResult& rv);
+ void Stringify(nsAString& aResult);
+
+protected:
+ virtual ~nsDOMTokenList();
+
+ nsresult CheckToken(const nsAString& aStr);
+ nsresult CheckTokens(const nsTArray<nsString>& aStr);
+ void AddInternal(const nsAttrValue* aAttr,
+ const nsTArray<nsString>& aTokens);
+ void RemoveInternal(const nsAttrValue* aAttr,
+ const nsTArray<nsString>& aTokens);
+ void ReplaceInternal(const nsAttrValue* aAttr,
+ const nsAString& aToken,
+ const nsAString& aNewToken);
+ inline const nsAttrValue* GetParsedAttr();
+
+ nsCOMPtr<Element> mElement;
+ nsCOMPtr<nsIAtom> mAttrAtom;
+ const mozilla::dom::DOMTokenListSupportedTokenArray mSupportedTokens;
+};
+
+#endif // nsDOMTokenList_h___