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/*
* 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 "FontTaggedSettings.h"
#include <wtf/WeakPtr.h>
#include <wtf/text/AtomString.h>
namespace WebCore {
class FontLoadRequestClient;
}
namespace WTF {
template<typename T> struct IsDeprecatedWeakRefSmartPointerException;
template<> struct IsDeprecatedWeakRefSmartPointerException<WebCore::FontLoadRequestClient> : std::true_type { };
}
namespace WebCore {
class Font;
class FontCreationContext;
class FontDescription;
class FontLoadRequest;
struct FontSelectionSpecifiedCapabilities;
class FontLoadRequestClient : public CanMakeWeakPtr<FontLoadRequestClient> {
public:
virtual ~FontLoadRequestClient() = default;
virtual void fontLoaded(FontLoadRequest&) { }
};
class FontLoadRequest {
public:
virtual ~FontLoadRequest() = default;
virtual const URL& url() const = 0;
virtual bool isPending() const = 0;
virtual bool isLoading() const = 0;
virtual bool errorOccurred() const = 0;
virtual bool ensureCustomFontData() = 0;
virtual RefPtr<Font> createFont(const FontDescription&, bool syntheticBold, bool syntheticItalic, const FontCreationContext&) = 0;
virtual void setClient(FontLoadRequestClient*) = 0;
virtual bool isCachedFontLoadRequest() const { return false; }
virtual bool isWorkerFontLoadRequest() const { return false; }
};
} // namespace WebCore
#define SPECIALIZE_TYPE_TRAITS_FONTLOADREQUEST(ToValueTypeName, predicate) \
SPECIALIZE_TYPE_TRAITS_BEGIN(ToValueTypeName) \
static bool isType(const WebCore::FontLoadRequest& request) { return request.predicate; } \
SPECIALIZE_TYPE_TRAITS_END()
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