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/*
* Copyright (C) 2011 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
// FIXME: Rename this file to LocalizedDataCacheIOS.h and remove this guard.
#if PLATFORM(IOS_FAMILY)
#include "DateComponents.h"
#include "FontCascade.h"
#include <wtf/HashMap.h>
#include <wtf/RetainPtr.h>
namespace WebCore {
class MeasureTextClient {
public:
virtual float measureText(const String&) const = 0;
virtual ~MeasureTextClient() = default;
};
class LocalizedDateCache {
public:
NSDateFormatter *formatterForDateType(DateComponents::Type);
float maximumWidthForDateType(DateComponents::Type, const FontCascade&, const MeasureTextClient&);
void localeChanged();
private:
LocalizedDateCache();
~LocalizedDateCache();
NSDateFormatter *createFormatterForType(DateComponents::Type);
float calculateMaximumWidth(DateComponents::Type, const MeasureTextClient&);
// Using int instead of DateComponents::Type for the key because the enum
// does not have a default hash and hash traits. Usage of the maps
// casts the DateComponents::Type into an int as the key.
typedef HashMap<int, RetainPtr<NSDateFormatter>> DateTypeFormatterMap;
typedef HashMap<int, float> DateTypeMaxWidthMap;
DateTypeFormatterMap m_formatterMap;
DateTypeMaxWidthMap m_maxWidthMap;
FontCascade m_font;
friend LocalizedDateCache& localizedDateCache();
friend NeverDestroyed<LocalizedDateCache>;
};
// Singleton.
LocalizedDateCache& localizedDateCache();
} // namespace WebCore
#endif // PLATFORM(IOS_FAMILY)