示例#1
0
void FontFace::initCSSFontFace(Document* document, CSSValue* src)
{
    m_cssFontFace = createCSSFontFace(this, m_unicodeRange.get());
    if (m_error)
        return;

    // Each item in the src property's list is a single CSSFontFaceSource. Put them all into a CSSFontFace.
    ASSERT(src);
    ASSERT(src->isValueList());
    CSSValueList* srcList = toCSSValueList(src);
    int srcLength = srcList->length();

    for (int i = 0; i < srcLength; i++) {
        // An item in the list either specifies a string (local font name) or a URL (remote font to download).
        CSSFontFaceSrcValue* item = toCSSFontFaceSrcValue(srcList->item(i));
        CSSFontFaceSource* source = nullptr;

        if (!item->isLocal()) {
            const Settings* settings = document ? document->settings() : nullptr;
            bool allowDownloading = settings && settings->downloadableBinaryFontsEnabled();
            if (allowDownloading && item->isSupportedFormat() && document) {
                FontResource* fetched = item->fetch(document);
                if (fetched) {
                    CSSFontSelector* fontSelector = document->styleEngine().fontSelector();
                    source = new RemoteFontFaceSource(fetched, fontSelector, CSSValueToFontDisplay(m_display.get()));
                }
            }
        } else {
            source = new LocalFontFaceSource(item->resource());
        }

        if (source)
            m_cssFontFace->addSource(source);
    }

    if (m_display) {
        DEFINE_STATIC_LOCAL(EnumerationHistogram, fontDisplayHistogram, ("WebFont.FontDisplayValue", FontDisplayEnumMax));
        fontDisplayHistogram.count(CSSValueToFontDisplay(m_display.get()));
    }
}
示例#2
0
void FontFace::initCSSFontFace(Document* document, PassRefPtrWillBeRawPtr<CSSValue> src)
{
    m_cssFontFace = createCSSFontFace(this, m_unicodeRange.get());
    if (m_error)
        return;

    // Each item in the src property's list is a single CSSFontFaceSource. Put them all into a CSSFontFace.
    ASSERT(src);
    ASSERT(src->isValueList());
    CSSValueList* srcList = toCSSValueList(src.get());
    int srcLength = srcList->length();

    for (int i = 0; i < srcLength; i++) {
        // An item in the list either specifies a string (local font name) or a URL (remote font to download).
        CSSFontFaceSrcValue* item = toCSSFontFaceSrcValue(srcList->item(i));
        OwnPtrWillBeRawPtr<CSSFontFaceSource> source = nullptr;

        if (!item->isLocal()) {
            const Settings* settings = document ? document->settings() : nullptr;
            bool allowDownloading = settings && settings->downloadableBinaryFontsEnabled();
            if (allowDownloading && item->isSupportedFormat() && document) {
                FontResource* fetched = item->fetch(document);
                if (fetched) {
                    FontLoader* fontLoader = document->styleEngine().fontSelector()->fontLoader();
                    source = adoptPtrWillBeNoop(new RemoteFontFaceSource(fetched, fontLoader, CSSValueToFontDisplay(m_display.get())));
                }
            }
        } else {
            source = adoptPtrWillBeNoop(new LocalFontFaceSource(item->resource()));
        }

        if (source)
            m_cssFontFace->addSource(source.release());
    }
}