renderstyle.cpp

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        content.set(newContentData);

    newContentData->m_content.m_image = image.releaseRef();
    newContentData->m_type = CONTENT_OBJECT;
}

void RenderStyle::setContent(StringImpl* s, bool add)
{
    if (!s)
        return; // The string is null. Nothing to do. Just bail.

    OwnPtr<ContentData>& content = rareNonInheritedData.access()->m_content;
    ContentData* lastContent = content.get();
    while (lastContent && lastContent->m_next)
        lastContent = lastContent->m_next;

    bool reuseContent = !add;
    if (add && lastContent) {
        if (lastContent->m_type == CONTENT_TEXT) {
            // We can augment the existing string and share this ContentData node.
            StringImpl* oldStr = lastContent->m_content.m_text;
            String newStr = oldStr;
            newStr.append(s);
            newStr.impl()->ref();
            oldStr->deref();
            lastContent->m_content.m_text = newStr.impl();
            return;
        }
    }

    ContentData* newContentData = 0;
    if (reuseContent && content) {
        content->clear();
        newContentData = content.release();
    } else
        newContentData = new ContentData;

    if (lastContent && !reuseContent)
        lastContent->m_next = newContentData;
    else
        content.set(newContentData);

    newContentData->m_content.m_text = s;
    newContentData->m_content.m_text->ref();
    newContentData->m_type = CONTENT_TEXT;
}

void RenderStyle::setContent(CounterContent* c, bool add)
{
    if (!c)
        return;

    OwnPtr<ContentData>& content = rareNonInheritedData.access()->m_content;
    ContentData* lastContent = content.get();
    while (lastContent && lastContent->m_next)
        lastContent = lastContent->m_next;

    bool reuseContent = !add;
    ContentData* newContentData = 0;
    if (reuseContent && content) {
        content->clear();
        newContentData = content.release();
    } else
        newContentData = new ContentData;

    if (lastContent && !reuseContent)
        lastContent->m_next = newContentData;
    else
        content.set(newContentData);

    newContentData->m_content.m_counter = c;
    newContentData->m_type = CONTENT_COUNTER;
}

void RenderStyle::applyTransform(TransformationMatrix& transform, const IntSize& borderBoxSize, ApplyTransformOrigin applyOrigin) const
{
    // transform-origin brackets the transform with translate operations.
    // Optimize for the case where the only transform is a translation, since the transform-origin is irrelevant
    // in that case.
    bool applyTransformOrigin = false;
    unsigned s = rareNonInheritedData->m_transform->m_operations.operations().size();
    unsigned i;
    if (applyOrigin == IncludeTransformOrigin) {
        for (i = 0; i < s; i++) {
            TransformOperation::OperationType type = rareNonInheritedData->m_transform->m_operations.operations()[i]->getOperationType();
            if (type != TransformOperation::TRANSLATE_X &&
                    type != TransformOperation::TRANSLATE_Y &&
                    type != TransformOperation::TRANSLATE && 
                    type != TransformOperation::TRANSLATE_Z && 
                    type != TransformOperation::TRANSLATE_3D
                    ) {
                applyTransformOrigin = true;
                break;
            }
        }
    }

    if (applyTransformOrigin) {
        transform.translate3d(transformOriginX().calcFloatValue(borderBoxSize.width()), transformOriginY().calcFloatValue(borderBoxSize.height()), transformOriginZ());
    }

    for (i = 0; i < s; i++)
        rareNonInheritedData->m_transform->m_operations.operations()[i]->apply(transform, borderBoxSize);

    if (applyTransformOrigin) {
        transform.translate3d(-transformOriginX().calcFloatValue(borderBoxSize.width()), -transformOriginY().calcFloatValue(borderBoxSize.height()), -transformOriginZ());
    }
}

#if ENABLE(XBL)
void RenderStyle::addBindingURI(StringImpl* uri)
{
    BindingURI* binding = new BindingURI(uri);
    if (!bindingURIs())
        SET_VAR(rareNonInheritedData, bindingURI, binding)
    else
        for (BindingURI* b = bindingURIs(); b; b = b->next()) {
            if (!b->next())
                b->setNext(binding);
        }
}
#endif

void RenderStyle::setTextShadow(ShadowData* val, bool add)
{
    StyleRareInheritedData* rareData = rareInheritedData.access();
    if (!add) {
        delete rareData->textShadow;
        rareData->textShadow = val;
        return;
    }

    val->next = rareData->textShadow;
    rareData->textShadow = val;
}

void RenderStyle::setBoxShadow(ShadowData* shadowData, bool add)
{
    StyleRareNonInheritedData* rareData = rareNonInheritedData.access();
    if (!add) {
        rareData->m_boxShadow.set(shadowData);
        return;
    }

    shadowData->next = rareData->m_boxShadow.release();
    rareData->m_boxShadow.set(shadowData);
}

const CounterDirectiveMap* RenderStyle::counterDirectives() const
{
    return rareNonInheritedData->m_counterDirectives.get();
}

CounterDirectiveMap& RenderStyle::accessCounterDirectives()
{
    OwnPtr<CounterDirectiveMap>& map = rareNonInheritedData.access()->m_counterDirectives;
    if (!map)
        map.set(new CounterDirectiveMap);
    return *map.get();
}

#if ENABLE(DASHBOARD_SUPPORT)
const Vector<StyleDashboardRegion>& RenderStyle::initialDashboardRegions()
{
    DEFINE_STATIC_LOCAL(Vector<StyleDashboardRegion>, emptyList, ());
    return emptyList;
}

const Vector<StyleDashboardRegion>& RenderStyle::noneDashboardRegions()
{
    DEFINE_STATIC_LOCAL(Vector<StyleDashboardRegion>, noneList, ());
    static bool noneListInitialized = false;

    if (!noneListInitialized) {
        StyleDashboardRegion region;
        region.label = "";
        region.offset.m_top  = Length();
        region.offset.m_right = Length();
        region.offset.m_bottom = Length();
        region.offset.m_left = Length();
        region.type = StyleDashboardRegion::None;
        noneList.append(region);
        noneListInitialized = true;
    }
    return noneList;
}
#endif

void RenderStyle::adjustAnimations()
{
    AnimationList* animationList = rareNonInheritedData->m_animations.get();
    if (!animationList)
        return;

    // Get rid of empty animations and anything beyond them
    for (size_t i = 0; i < animationList->size(); ++i) {
        if (animationList->animation(i)->isEmpty()) {
            animationList->resize(i);
            break;
        }
    }

    if (animationList->isEmpty()) {
        clearAnimations();
        return;
    }

    // Repeat patterns into layers that don't have some properties set.
    animationList->fillUnsetProperties();
}

void RenderStyle::adjustTransitions()
{
    AnimationList* transitionList = rareNonInheritedData->m_transitions.get();
    if (!transitionList)
        return;

    // Get rid of empty transitions and anything beyond them
    for (size_t i = 0; i < transitionList->size(); ++i) {
        if (transitionList->animation(i)->isEmpty()) {
            transitionList->resize(i);
            break;
        }
    }

    if (transitionList->isEmpty()) {
        clearTransitions();
        return;
    }

    // Repeat patterns into layers that don't have some properties set.
    transitionList->fillUnsetProperties();

    // Make sure there are no duplicate properties. This is an O(n^2) algorithm
    // but the lists tend to be very short, so it is probably ok
    for (size_t i = 0; i < transitionList->size(); ++i) {
        for (size_t j = i+1; j < transitionList->size(); ++j) {
            if (transitionList->animation(i)->property() == transitionList->animation(j)->property()) {
                // toss i
                transitionList->remove(i);
                j = i;
            }
        }
    }
}

AnimationList* RenderStyle::accessAnimations()
{
    if (!rareNonInheritedData.access()->m_animations)
        rareNonInheritedData.access()->m_animations.set(new AnimationList());
    return rareNonInheritedData->m_animations.get();
}

AnimationList* RenderStyle::accessTransitions()
{
    if (!rareNonInheritedData.access()->m_transitions)
        rareNonInheritedData.access()->m_transitions.set(new AnimationList());
    return rareNonInheritedData->m_transitions.get();
}

const Animation* RenderStyle::transitionForProperty(int property) const
{
    if (transitions()) {
        for (size_t i = 0; i < transitions()->size(); ++i) {
            const Animation* p = transitions()->animation(i);
            if (p->property() == cAnimateAll || p->property() == property) {
                return p;
            }
        }
    }
    return 0;
}

void RenderStyle::setBlendedFontSize(int size)
{
    FontDescription desc(fontDescription());
    desc.setSpecifiedSize(size);
    desc.setComputedSize(size);
    setFontDescription(desc);
    font().update(font().fontSelector());
}

} // namespace WebCore