| /* |
| * Copyright (C) 2007-2021 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| #include "CachedResource.h" |
| #include "CachedResourceClient.h" |
| #include "Font.h" |
| #include "TextFlags.h" |
| #include <pal/SessionID.h> |
| |
| namespace WebCore { |
| |
| class CachedResourceLoader; |
| class FontCreationContext; |
| class FontDescription; |
| class FontPlatformData; |
| struct FontSelectionSpecifiedCapabilities; |
| class SVGDocument; |
| class SVGFontElement; |
| struct FontCustomPlatformData; |
| |
| template <typename T> class FontTaggedSettings; |
| typedef FontTaggedSettings<int> FontFeatureSettings; |
| |
| class CachedFont : public CachedResource { |
| public: |
| CachedFont(CachedResourceRequest&&, PAL::SessionID, const CookieJar*, Type = Type::FontResource); |
| virtual ~CachedFont(); |
| |
| void beginLoadIfNeeded(CachedResourceLoader&); |
| bool stillNeedsLoad() const override { return !m_loadInitiated; } |
| |
| virtual bool ensureCustomFontData(const AtomString& remoteURI); |
| static std::unique_ptr<FontCustomPlatformData> createCustomFontData(SharedBuffer&, const String& itemInCollection, bool& wrapping); |
| static FontPlatformData platformDataFromCustomData(FontCustomPlatformData&, const FontDescription&, bool bold, bool italic, const FontCreationContext&); |
| |
| virtual RefPtr<Font> createFont(const FontDescription&, const AtomString& remoteURI, bool syntheticBold, bool syntheticItalic, const FontCreationContext&); |
| |
| protected: |
| FontPlatformData platformDataFromCustomData(const FontDescription&, bool bold, bool italic, const FontCreationContext&); |
| |
| bool ensureCustomFontData(SharedBuffer* data); |
| |
| private: |
| String calculateItemInCollection() const; |
| |
| void checkNotify(const NetworkLoadMetrics&) override; |
| bool mayTryReplaceEncodedData() const override; |
| |
| void load(CachedResourceLoader&) override; |
| NO_RETURN_DUE_TO_ASSERT void setBodyDataFrom(const CachedResource&) final { ASSERT_NOT_REACHED(); } |
| |
| void didAddClient(CachedResourceClient&) override; |
| void finishLoading(const FragmentedSharedBuffer*, const NetworkLoadMetrics&) override; |
| |
| void allClientsRemoved() override; |
| |
| bool m_loadInitiated; |
| bool m_hasCreatedFontDataWrappingResource; |
| |
| std::unique_ptr<FontCustomPlatformData> m_fontCustomPlatformData; |
| |
| friend class MemoryCache; |
| }; |
| |
| } // namespace WebCore |
| |
| SPECIALIZE_TYPE_TRAITS_CACHED_RESOURCE(CachedFont, CachedResource::Type::FontResource) |