зеркало из https://github.com/mozilla/gecko-dev.git
99 строки
2.9 KiB
C++
99 строки
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* base class for representation of media lists */
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#ifndef mozilla_dom_MediaList_h
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#define mozilla_dom_MediaList_h
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#include "mozilla/dom/BindingDeclarations.h"
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#include "mozilla/ServoBindingTypes.h"
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#include "mozilla/ServoUtils.h"
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#include "nsWrapperCache.h"
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class nsMediaQueryResultCacheKey;
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namespace mozilla {
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class ErrorResult;
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class StyleSheet;
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namespace dom {
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class Document;
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class MediaList final : public nsISupports, public nsWrapperCache {
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(MediaList)
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// Needed for CSSOM, but please don't use it outside of that :)
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explicit MediaList(already_AddRefed<RawServoMediaList> aRawList)
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: mRawList(aRawList) {}
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static already_AddRefed<MediaList> Create(
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const nsACString& aMedia, CallerType aCallerType = CallerType::NonSystem);
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already_AddRefed<MediaList> Clone();
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JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) final;
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nsISupports* GetParentObject() const;
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void GetText(nsACString& aMediaText);
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void SetText(const nsACString& aMediaText);
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bool Matches(const Document&) const;
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void SetStyleSheet(StyleSheet* aSheet);
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void SetRawAfterClone(RefPtr<RawServoMediaList> aRaw) {
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mRawList = std::move(aRaw);
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}
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// WebIDL
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void GetMediaText(nsACString& aMediaText);
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void SetMediaText(const nsACString& aMediaText);
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uint32_t Length();
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void IndexedGetter(uint32_t aIndex, bool& aFound, nsACString& aReturn);
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void Item(uint32_t aIndex, nsACString& aResult);
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void DeleteMedium(const nsACString& aMedium, ErrorResult& aRv);
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void AppendMedium(const nsACString& aMedium, ErrorResult& aRv);
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size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const;
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size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const {
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return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
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}
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protected:
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MediaList(const nsACString& aMedia, CallerType);
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MediaList();
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void SetTextInternal(const nsACString& aMediaText, CallerType);
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void Delete(const nsACString& aOldMedium, ErrorResult& aRv);
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void Append(const nsACString& aNewMedium, ErrorResult& aRv);
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~MediaList() {
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MOZ_ASSERT(!mStyleSheet, "Backpointer should have been cleared");
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}
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bool IsReadOnly() const;
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// not refcounted; sheet will let us know when it goes away
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// mStyleSheet is the sheet that needs to be dirtied when this
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// medialist changes
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StyleSheet* mStyleSheet = nullptr;
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private:
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template <typename Func>
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inline void DoMediaChange(Func aCallback, ErrorResult& aRv);
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RefPtr<RawServoMediaList> mRawList;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_MediaList_h
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