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/*
* Copyright (C) 2007, 2008, 2010, 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 COMPUTER, 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 COMPUTER, 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.
*/
#include "config.h"
#include "core/css/CSSFontFaceSource.h"
#include "core/css/CSSFontFace.h"
#include "platform/fonts/FontCacheKey.h"
#include "platform/fonts/FontDescription.h"
#include "platform/fonts/SimpleFontData.h"
namespace WebCore {
CSSFontFaceSource::CSSFontFaceSource()
: m_face(nullptr)
{
}
CSSFontFaceSource::~CSSFontFaceSource()
{
}
PassRefPtr<SimpleFontData> CSSFontFaceSource::getFontData(const FontDescription& fontDescription)
{
// If the font hasn't loaded or an error occurred, then we've got nothing.
if (!isValid())
return nullptr;
if (isLocal()) {
// We're local. Just return a SimpleFontData from the normal cache.
return createFontData(fontDescription);
}
// See if we have a mapping in our FontData cache.
AtomicString emptyFontFamily = "";
FontCacheKey key = fontDescription.cacheKey(emptyFontFamily);
RefPtr<SimpleFontData>& fontData = m_fontDataTable.add(key.hash(), nullptr).storedValue->value;
if (!fontData)
fontData = createFontData(fontDescription);
return fontData; // No release, because fontData is a reference to a RefPtr that is held in the m_fontDataTable.
}
void CSSFontFaceSource::trace(Visitor* visitor)
{
visitor->trace(m_face);
}
}
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