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a7526d2a34
Use the actual Locked<T> types around (via a typedef, just for convenience). Differential Revision: https://phabricator.services.mozilla.com/D177824
127 lines
4.3 KiB
C++
127 lines
4.3 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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#ifndef mozilla_dom_FontFace_h
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#define mozilla_dom_FontFace_h
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#include "mozilla/dom/FontFaceBinding.h"
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#include "mozilla/FontPropertyTypes.h"
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#include "mozilla/Maybe.h"
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#include "mozilla/ServoStyleConsts.h"
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#include "gfxUserFontSet.h"
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#include "nsCSSPropertyID.h"
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#include "nsCSSValue.h"
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#include "nsWrapperCache.h"
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class gfxFontFaceBufferSource;
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class nsIGlobalObject;
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namespace mozilla {
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struct CSSFontFaceDescriptors;
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class PostTraversalTask;
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struct StyleLockedFontFaceRule;
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namespace dom {
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class CSSFontFaceRule;
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class FontFaceBufferSource;
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struct FontFaceDescriptors;
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class FontFaceImpl;
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class FontFaceSet;
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class FontFaceSetImpl;
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class Promise;
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class UTF8StringOrArrayBufferOrArrayBufferView;
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} // namespace dom
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} // namespace mozilla
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namespace mozilla::dom {
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class FontFace final : public nsISupports, public nsWrapperCache {
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friend class mozilla::PostTraversalTask;
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(FontFace)
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nsIGlobalObject* GetParentObject() const { return mParent; }
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JSObject* WrapObject(JSContext*, JS::Handle<JSObject*> aGivenProto) override;
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static already_AddRefed<FontFace> CreateForRule(
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nsIGlobalObject* aGlobal, FontFaceSet* aFontFaceSet,
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StyleLockedFontFaceRule* aRule);
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// Web IDL
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static already_AddRefed<FontFace> Constructor(
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const GlobalObject& aGlobal, const nsACString& aFamily,
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const UTF8StringOrArrayBufferOrArrayBufferView& aSource,
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const FontFaceDescriptors& aDescriptors, ErrorResult& aRV);
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void GetFamily(nsACString& aResult);
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void SetFamily(const nsACString& aValue, ErrorResult& aRv);
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void GetStyle(nsACString& aResult);
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void SetStyle(const nsACString& aValue, ErrorResult& aRv);
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void GetWeight(nsACString& aResult);
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void SetWeight(const nsACString& aValue, ErrorResult& aRv);
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void GetStretch(nsACString& aResult);
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void SetStretch(const nsACString& aValue, ErrorResult& aRv);
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void GetUnicodeRange(nsACString& aResult);
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void SetUnicodeRange(const nsACString& aValue, ErrorResult& aRv);
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void GetVariant(nsACString& aResult);
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void SetVariant(const nsACString& aValue, ErrorResult& aRv);
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void GetFeatureSettings(nsACString& aResult);
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void SetFeatureSettings(const nsACString& aValue, ErrorResult& aRv);
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void GetVariationSettings(nsACString& aResult);
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void SetVariationSettings(const nsACString& aValue, ErrorResult& aRv);
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void GetDisplay(nsACString& aResult);
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void SetDisplay(const nsACString& aValue, ErrorResult& aRv);
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void GetAscentOverride(nsACString& aResult);
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void SetAscentOverride(const nsACString& aValue, ErrorResult& aRv);
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void GetDescentOverride(nsACString& aResult);
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void SetDescentOverride(const nsACString& aValue, ErrorResult& aRv);
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void GetLineGapOverride(nsACString& aResult);
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void SetLineGapOverride(const nsACString& aValue, ErrorResult& aRv);
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void GetSizeAdjust(nsACString& aResult);
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void SetSizeAdjust(const nsACString& aValue, ErrorResult& aRv);
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FontFaceLoadStatus Status();
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Promise* Load(ErrorResult& aRv);
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Promise* GetLoaded(ErrorResult& aRv);
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FontFaceImpl* GetImpl() const { return mImpl; }
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void Destroy();
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void MaybeResolve();
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void MaybeReject(nsresult aResult);
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private:
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explicit FontFace(nsIGlobalObject* aParent);
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~FontFace();
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/**
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* Returns and takes ownership of the buffer storing the font data.
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*/
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void TakeBuffer(uint8_t*& aBuffer, uint32_t& aLength);
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// Creates mLoaded if it doesn't already exist. It may immediately resolve or
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// reject mLoaded based on mStatus and mLoadedRejection.
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void EnsurePromise();
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nsCOMPtr<nsIGlobalObject> mParent;
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RefPtr<FontFaceImpl> mImpl;
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// A Promise that is fulfilled once the font represented by this FontFace is
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// loaded, and is rejected if the load fails. This promise is created lazily
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// when JS asks for it.
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RefPtr<Promise> mLoaded;
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// Saves the rejection code for mLoaded if mLoaded hasn't been created yet.
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nsresult mLoadedRejection;
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};
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} // namespace mozilla::dom
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#endif // !defined(mozilla_dom_FontFace_h)
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