File: LocalFontFaceSource.cpp

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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "core/css/LocalFontFaceSource.h"

#include "platform/Histogram.h"
#include "platform/fonts/FontCache.h"
#include "platform/fonts/FontDescription.h"
#include "platform/fonts/SimpleFontData.h"

namespace blink {

bool LocalFontFaceSource::isLocalFontAvailable(
    const FontDescription& fontDescription) {
  return FontCache::fontCache()->isPlatformFontAvailable(fontDescription,
                                                         m_fontName);
}

PassRefPtr<SimpleFontData> LocalFontFaceSource::createFontData(
    const FontDescription& fontDescription) {
  // We don't want to check alternate font family names here, so pass true as
  // the checkingAlternateName parameter.
  RefPtr<SimpleFontData> fontData =
      FontCache::fontCache()->getFontData(fontDescription, m_fontName, true);
  m_histograms.record(fontData.get());
  return fontData.release();
}

void LocalFontFaceSource::LocalFontHistograms::record(bool loadSuccess) {
  if (m_reported)
    return;
  m_reported = true;
  DEFINE_STATIC_LOCAL(EnumerationHistogram, localFontUsedHistogram,
                      ("WebFont.LocalFontUsed", 2));
  localFontUsedHistogram.count(loadSuccess ? 1 : 0);
}

}  // namespace blink