From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- layout/style/MediaList.h | 101 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 layout/style/MediaList.h (limited to 'layout/style/MediaList.h') diff --git a/layout/style/MediaList.h b/layout/style/MediaList.h new file mode 100644 index 0000000000..afa2419534 --- /dev/null +++ b/layout/style/MediaList.h @@ -0,0 +1,101 @@ +/* -*- 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/. */ + +/* base class for representation of media lists */ + +#ifndef mozilla_dom_MediaList_h +#define mozilla_dom_MediaList_h + +#include "mozilla/dom/BindingDeclarations.h" +#include "mozilla/ServoBindingTypes.h" +#include "mozilla/ServoUtils.h" + +#include "nsWrapperCache.h" + +class nsMediaQueryResultCacheKey; + +namespace mozilla { +class ErrorResult; +class StyleSheet; + +namespace dom { + +class Document; + +class MediaList final : public nsISupports, public nsWrapperCache { + public: + NS_DECL_CYCLE_COLLECTING_ISUPPORTS + NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(MediaList) + + // Needed for CSSOM, but please don't use it outside of that :) + explicit MediaList(already_AddRefed aRawList) + : mRawList(aRawList) {} + + static already_AddRefed Create( + const nsACString& aMedia, CallerType aCallerType = CallerType::NonSystem); + + already_AddRefed Clone(); + + JSObject* WrapObject(JSContext* aCx, JS::Handle aGivenProto) final; + nsISupports* GetParentObject() const; + + void GetText(nsACString&) const; + void SetText(const nsACString&); + bool Matches(const Document&) const; + bool IsViewportDependent() const; + + void SetStyleSheet(StyleSheet* aSheet); + void SetRawAfterClone(RefPtr aRaw) { + mRawList = std::move(aRaw); + } + + // WebIDL + void GetMediaText(nsACString& aMediaText) const { + return GetText(aMediaText); + } + void SetMediaText(const nsACString&); + uint32_t Length() const; + void IndexedGetter(uint32_t aIndex, bool& aFound, nsACString&) const; + void Item(uint32_t aIndex, nsACString&); + void DeleteMedium(const nsACString&, ErrorResult&); + void AppendMedium(const nsACString&, ErrorResult&); + + size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const; + + size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const { + return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf); + } + + protected: + MediaList(const nsACString& aMedia, CallerType); + MediaList(); + + void SetTextInternal(const nsACString& aMediaText, CallerType); + + void Delete(const nsACString& aOldMedium, ErrorResult& aRv); + void Append(const nsACString& aNewMedium, ErrorResult& aRv); + + ~MediaList() { + MOZ_ASSERT(!mStyleSheet, "Backpointer should have been cleared"); + } + + bool IsReadOnly() const; + + // not refcounted; sheet will let us know when it goes away + // mStyleSheet is the sheet that needs to be dirtied when this + // medialist changes + StyleSheet* mStyleSheet = nullptr; + + private: + template + inline void DoMediaChange(Func aCallback, ErrorResult& aRv); + RefPtr mRawList; +}; + +} // namespace dom +} // namespace mozilla + +#endif // mozilla_dom_MediaList_h -- cgit v1.2.3