| /* |
| * Copyright (C) 2021 Metrological Group B.V. |
| * Copyright (C) 2021 Igalia S.L. |
| * Copyright (C) 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. AND ITS CONTRIBUTORS ``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 ITS 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 "CachedFont.h" |
| #include "CachedFontClient.h" |
| #include "CachedResourceHandle.h" |
| #include "FontLoadRequest.h" |
| #include "FontSelectionAlgorithm.h" |
| |
| namespace WebCore { |
| |
| class FontCreationContext; |
| |
| class CachedFontLoadRequest final : public FontLoadRequest, public CachedFontClient { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| CachedFontLoadRequest(CachedFont& font) |
| : m_font(&font) |
| { |
| } |
| |
| ~CachedFontLoadRequest() |
| { |
| if (m_fontLoadRequestClient) |
| m_font->removeClient(*this); |
| } |
| |
| CachedFont& cachedFont() const { return *m_font; } |
| |
| private: |
| const URL& url() const final { return m_font->url(); } |
| bool isPending() const final { return m_font->status() == CachedResource::Status::Pending; } |
| bool isLoading() const final { return m_font->isLoading(); } |
| bool errorOccurred() const final { return m_font->errorOccurred(); } |
| |
| bool ensureCustomFontData(const AtomString& remoteURI) final { return m_font->ensureCustomFontData(remoteURI); } |
| RefPtr<Font> createFont(const FontDescription& description, const AtomString& remoteURI, bool syntheticBold, bool syntheticItalic, const FontCreationContext& fontCreationContext) final |
| { |
| return m_font->createFont(description, remoteURI, syntheticBold, syntheticItalic, fontCreationContext); |
| } |
| |
| void setClient(FontLoadRequestClient* client) final |
| { |
| auto* oldClient = m_fontLoadRequestClient; |
| m_fontLoadRequestClient = client; |
| |
| if (!client && oldClient) |
| m_font->removeClient(*this); |
| else if (client && !oldClient) |
| m_font->addClient(*this); |
| } |
| |
| bool isCachedFontLoadRequest() const final { return true; } |
| |
| void fontLoaded(CachedFont& font) final |
| { |
| ASSERT_UNUSED(font, &font == m_font.get()); |
| if (m_fontLoadRequestClient) |
| m_fontLoadRequestClient->fontLoaded(*this); |
| } |
| |
| CachedResourceHandle<CachedFont> m_font; |
| FontLoadRequestClient* m_fontLoadRequestClient { nullptr }; |
| }; |
| |
| } // namespace WebCore |
| |
| SPECIALIZE_TYPE_TRAITS_FONTLOADREQUEST(WebCore::CachedFontLoadRequest, isCachedFontLoadRequest()) |