Пример #1
0
/*!
    \property QWebFrame::contentsSize
    \brief the size of the contents in this frame
*/
QSize QWebFrame::contentsSize() const
{
    FrameView *view = d->frame->view();
    if (!view)
        return QSize();
    return QSize(view->contentsWidth(), view->contentsHeight());
}
void RenderPartObject::calcHeight() {
    RenderPart::calcHeight();
    if (!node()->hasTagName(iframeTag) || !widget() || !widget()->isFrameView())
        return;
    FrameView* view = static_cast<FrameView*>(widget());
    RenderView* root = static_cast<RenderView*>(view->frame()->contentRenderer());
    if (!root)
        return;
    // Do not expand if the scrollbars are suppressed and the height is fixed.
    bool scrolling = static_cast<HTMLIFrameElement*>(node())->scrollingMode() != ScrollbarAlwaysOff;
    if (!scrolling && style()->height().isFixed())
        return;
    // Update the widget
    updateWidgetPosition();

//SAMSUNG CHANGE >>
    // Browser freeze issue in http://www.enuri.com/
    /* do {
        view->layout();
     } while (view->layoutPending() || root->needsLayout()); */

    node()->document()->page()->mainFrame()->view()->layoutIfNeededRecursive();
//SAMSUNG CHANGE <<

    int extraHeight = paddingTop() + paddingBottom() + borderTop() + borderBottom();
    setHeight(max(width(), view->contentsHeight() + extraHeight));

    // Update one last time to ensure the dimensions.
    updateWidgetPosition();
}
void RenderFrame::layout()
{
    FrameView* view = static_cast<FrameView*>(widget());
    RenderView* root = view ? view->frame()->contentRenderer() : 0;

    // Do not expand frames which has zero width or height
    if (!width() || !height() || !root) {
        updateWidgetPosition();
        if (view)
            view->layout();
        setNeedsLayout(false);
        return;
    }

    HTMLFrameElementBase* element = static_cast<HTMLFrameElementBase*>(node());
    if (element->scrollingMode() == ScrollbarAlwaysOff && !root->isFrameSet()) {
        setNeedsLayout(false);
        return;
    }

    // Update the dimensions to get the correct width and height
    updateWidgetPosition();
    if (root->preferredLogicalWidthsDirty())
        root->computePreferredLogicalWidths();

    // Expand the frame by setting frame height = content height
    setWidth(max(view->contentsWidth() + borderAndPaddingWidth(), width()));
    setHeight(max(view->contentsHeight() + borderAndPaddingHeight(), height()));

    // Update one more time
    updateWidgetPosition();

    setNeedsLayout(false);
}
Пример #4
0
int HTMLBodyElement::scrollHeight() const
{
    // Update the document's layout.
    Document* document = this->document();
    document->updateLayoutIgnorePendingStylesheets();
    FrameView* view = document->view();
    return view ? adjustForZoom(view->contentsHeight(), document) : 0;    
}
Пример #5
0
int HTMLBodyElement::scrollHeight() const
{
    // Update the document's layout.
    Document* doc = document();
    doc->updateLayoutIgnorePendingStylesheets();
    FrameView* view = doc->view();
    return view ? view->contentsHeight() : 0;    
}
Пример #6
0
InRegionScrollableArea::InRegionScrollableArea(WebPagePrivate* webPage, RenderLayer* layer)
    : m_webPage(webPage)
    , m_layer(layer)
{
    ASSERT(webPage);
    ASSERT(layer);
    m_isNull = false;

    // FIXME: Add an ASSERT here as the 'layer' must be scrollable.

    RenderObject* layerRenderer = layer->renderer();
    ASSERT(layerRenderer);

    if (layerRenderer->isRenderView()) { // #document case

        FrameView* view = toRenderView(layerRenderer)->frameView();
        ASSERT(view);

        Frame* frame = view->frame();
        ASSERT_UNUSED(frame, frame);

        m_scrollPosition = m_webPage->mapToTransformed(view->scrollPosition());
        m_contentsSize = m_webPage->mapToTransformed(view->contentsSize());
        m_viewportSize = m_webPage->mapToTransformed(view->visibleContentRect(false /*includeScrollbars*/)).size();

        m_visibleWindowRect = m_webPage->mapToTransformed(m_webPage->getRecursiveVisibleWindowRect(view));
        IntRect transformedWindowRect = IntRect(IntPoint::zero(), m_webPage->transformedViewportSize());
        m_visibleWindowRect.intersect(transformedWindowRect);

        m_scrollsHorizontally = view->contentsWidth() > view->visibleWidth();
        m_scrollsVertically = view->contentsHeight() > view->visibleHeight();

        m_overscrollLimitFactor = 0.0; // FIXME eventually support overscroll
    } else { // RenderBox-based elements case (scrollable boxes (div's, p's, textarea's, etc)).

        RenderBox* box = m_layer->renderBox();
        ASSERT(box);
        ASSERT(box->canBeScrolledAndHasScrollableArea());

        ScrollableArea* scrollableArea = static_cast<ScrollableArea*>(m_layer);
        m_scrollPosition = m_webPage->mapToTransformed(scrollableArea->scrollPosition());
        m_contentsSize = m_webPage->mapToTransformed(scrollableArea->contentsSize());
        m_viewportSize = m_webPage->mapToTransformed(scrollableArea->visibleContentRect(false /*includeScrollbars*/)).size();

        m_visibleWindowRect = m_layer->renderer()->absoluteClippedOverflowRect();
        m_visibleWindowRect = m_layer->renderer()->frame()->view()->contentsToWindow(m_visibleWindowRect);
        IntRect visibleFrameWindowRect = m_webPage->getRecursiveVisibleWindowRect(m_layer->renderer()->frame()->view());
        m_visibleWindowRect.intersect(visibleFrameWindowRect);
        m_visibleWindowRect = m_webPage->mapToTransformed(m_visibleWindowRect);
        IntRect transformedWindowRect = IntRect(IntPoint::zero(), m_webPage->transformedViewportSize());
        m_visibleWindowRect.intersect(transformedWindowRect);

        m_scrollsHorizontally = box->scrollWidth() != box->clientWidth() && box->scrollsOverflowX();
        m_scrollsVertically = box->scrollHeight() != box->clientHeight() && box->scrollsOverflowY();

        m_overscrollLimitFactor = 0.0; // FIXME eventually support overscroll
    }
}
Пример #7
0
void RenderPartObject::layout()
{
    ASSERT(needsLayout());

    calcWidth();
    calcHeight();
    
#ifdef FLATTEN_IFRAME
    // Some IFrames have a width and/or height of 1 when they are meant to be
    // hidden. If that is the case, don't try to expand.
    if (m_widget && m_widget->isFrameView() &&
            m_width > 1 && m_height > 1) {
        FrameView* view = static_cast<FrameView*>(m_widget);
        RenderView* root = NULL;
        if (view->frame() && view->frame()->document() &&
            view->frame()->document()->renderer() && view->frame()->document()->renderer()->isRenderView())
            root = static_cast<RenderView*>(view->frame()->document()->renderer());
        if (root) {
            // Update the dimensions to get the correct minimum preferred width
            updateWidgetPosition();

            // Use the preferred width if it is larger.
            m_width = max(m_width, root->minPrefWidth());
            int extraWidth = paddingLeft() + paddingRight() + borderLeft() + borderRight();
            int extraHeight = paddingTop() + paddingBottom() + borderTop() + borderBottom();
            // Resize the view to recalc the height.
            int height = m_height - extraHeight;
            int width = m_width - extraWidth;
            if (width > view->width())
                height = 0;
            if (width != view->width() || height != view->height()) {
                view->resize(width, height);
                root->setNeedsLayout(true, false);
            }
            // Layout the view.
            if (view->needsLayout())
                view->layout();
            int contentHeight = view->contentsHeight();
            int contentWidth = view->contentsWidth();
            // Do not shrink iframes with specified sizes
            if (contentHeight > m_height || style()->height().isAuto())
                m_height = contentHeight;
            m_width = std::min(contentWidth, 800);
        }
    }
#endif
    adjustOverflowForBoxShadow();

    RenderPart::layout();

    if (!m_widget && m_view)
        m_view->addWidgetToUpdate(this);
    
    setNeedsLayout(false);
}
Пример #8
0
IntRect WebFrame::contentBounds() const
{    
    if (!m_coreFrame)
        return IntRect();
    
    FrameView* view = m_coreFrame->view();
    if (!view)
        return IntRect();
    
    return IntRect(0, 0, view->contentsWidth(), view->contentsHeight());
}
Пример #9
0
IntRect WebFrame::contentBounds()
{
    Frame* coreFrame = core(this);
    if (!coreFrame)
        return IntRect();

    FrameView* view = coreFrame->view();
    if (!view)
        return IntRect();

    return IntRect(0, 0, view->contentsWidth(), view->contentsHeight());
}
Пример #10
0
int HTMLBodyElement::scrollHeight()
{
    // Update the document's layout.
    document().updateLayoutIgnorePendingStylesheets();
    Frame* frame = document().frame();
    if (!frame)
        return 0;
    FrameView* view = frame->view();
    if (!view)
        return 0;
    return adjustForZoom(view->contentsHeight(), *frame);
}
Пример #11
0
void RenderFrameBase::layoutWithFlattening(bool fixedWidth, bool fixedHeight)
{
    FrameView* childFrameView = static_cast<FrameView*>(widget());
    RenderView* childRoot = childFrameView ? static_cast<RenderView*>(childFrameView->frame()->contentRenderer()) : 0;

    // Do not expand frames which has zero width or height
    if (!width() || !height() || !childRoot) {
        updateWidgetPosition();
        if (childFrameView)
            childFrameView->layout();
        setNeedsLayout(false);
        return;
    }

    // need to update to calculate min/max correctly
    updateWidgetPosition();
    if (childRoot->preferredLogicalWidthsDirty())
        childRoot->computePreferredLogicalWidths();

    // if scrollbars are off, and the width or height are fixed
    // we obey them and do not expand. With frame flattening
    // no subframe much ever become scrollable.

    HTMLFrameElementBase* element = static_cast<HTMLFrameElementBase*>(node());
    bool isScrollable = element->scrollingMode() != ScrollbarAlwaysOff;

    // consider iframe inset border
    int hBorder = borderLeft() + borderRight();
    int vBorder = borderTop() + borderBottom();

    // make sure minimum preferred width is enforced
    if (isScrollable || !fixedWidth) {
        setWidth(max(width(), childRoot->minPreferredLogicalWidth() + hBorder));
        // update again to pass the new width to the child frame
        updateWidgetPosition();
        childFrameView->layout();
    }

    // expand the frame by setting frame height = content height
    if (isScrollable || !fixedHeight || childRoot->isFrameSet())
        setHeight(max(height(), childFrameView->contentsHeight() + vBorder));
    if (isScrollable || !fixedWidth || childRoot->isFrameSet())
        setWidth(max(width(), childFrameView->contentsWidth() + hBorder));

    updateWidgetPosition();

    ASSERT(!childFrameView->layoutPending());
    ASSERT(!childRoot->needsLayout());
    ASSERT(!childRoot->firstChild() || !childRoot->firstChild()->firstChild() || !childRoot->firstChild()->firstChild()->needsLayout());

    setNeedsLayout(false);
}
Пример #12
0
bool WebFrame::hasScrollBars()
{
    Frame* coreFrame = core(this);
    if (!coreFrame)
        return false;

    FrameView* view = coreFrame->view();
    if (!view)
        return false;

    if (view->vScrollbarMode() == ScrollbarAlwaysOn || view->visibleHeight() < view->contentsHeight() ||
            view->hScrollbarMode() == ScrollbarAlwaysOn || view->visibleWidth() < view->contentsWidth())
        return true;
    return false;
}
void RenderPartObject::calcHeight()
{
    RenderPart::calcHeight();
    if (!flattenFrame())
         return;

    HTMLIFrameElement* frame = static_cast<HTMLIFrameElement*>(node());
    bool isScrollable = frame->scrollingMode() != ScrollbarAlwaysOff;

    if (isScrollable || !style()->height().isFixed()) {
        FrameView* view = static_cast<FrameView*>(widget());
        int border = borderTop() + borderBottom();
        setHeight(max(height(), view->contentsHeight() + border));
    }
}
Пример #14
0
void RenderPartObject::layout()
{
    ASSERT(needsLayout());
    ASSERT(minMaxKnown());

    FrameView* childFrameView = static_cast<FrameView*>(m_widget);
    RenderView* childRoot = 0;
    
    bool flatten = m_widget && element()->hasTagName(iframeTag) && element() && element()->document()->frame() && 
        element()->document()->frame()->settings()->flatFrameSetLayoutEnabled() && 
        (static_cast<HTMLIFrameElement*>(element())->scrollingMode() != ScrollBarAlwaysOff || !style()->width().isFixed() || !style()->height().isFixed()) &&
        (childRoot = childFrameView ? static_cast<RenderView*>(childFrameView->frame()->renderer()) : 0);

    if (flatten) {
        
        if (!childRoot->minMaxKnown())
            childRoot->calcMinMaxWidth();
        
        calcWidth();
        calcHeight();
        
        bool scrolling = static_cast<HTMLIFrameElement*>(element())->scrollingMode() != ScrollBarAlwaysOff;
        if (scrolling || !style()->width().isFixed())
            m_width = max(m_width, childRoot->minWidth());

        updateWidgetPosition();
        do
            childFrameView->layout();
        while (childFrameView->layoutPending() || childRoot->needsLayout());     
        
        if (scrolling || !style()->height().isFixed())
            m_height = max(m_height, childFrameView->contentsHeight());
        if (scrolling || !style()->width().isFixed())
            m_width = max(m_width, childFrameView->contentsWidth());
        
        updateWidgetPosition();
        
        ASSERT(!childFrameView->layoutPending());
        ASSERT(!childRoot->needsLayout());
        ASSERT(!childRoot->firstChild() || !childRoot->firstChild()->firstChild() || !childRoot->firstChild()->firstChild()->needsLayout());
    } else {
    calcWidth();
    calcHeight();

    RenderPart::layout();
    }
    setNeedsLayout(false);
}
Пример #15
0
void RenderFrameBase::layoutWithFlattening(bool hasFixedWidth, bool hasFixedHeight)
{
    FrameView* childFrameView = toFrameView(widget());
    RenderView* childRoot = childFrameView ? childFrameView->frame().contentRenderer() : 0;

    if (!childRoot || !shouldExpandFrame(width(), height(), hasFixedWidth, hasFixedHeight)) {
        updateWidgetPosition();
        if (childFrameView)
            childFrameView->layout();
        clearNeedsLayout();
        return;
    }

    // need to update to calculate min/max correctly
    updateWidgetPosition();

    // if scrollbars are off, and the width or height are fixed
    // we obey them and do not expand. With frame flattening
    // no subframe much ever become scrollable.

    bool isScrollable = frameOwnerElement().scrollingMode() != ScrollbarAlwaysOff;

    // consider iframe inset border
    int hBorder = borderLeft() + borderRight();
    int vBorder = borderTop() + borderBottom();

    // make sure minimum preferred width is enforced
    if (isScrollable || !hasFixedWidth) {
        setWidth(std::max(width(), childRoot->minPreferredLogicalWidth() + hBorder));
        // update again to pass the new width to the child frame
        updateWidgetPosition();
        childFrameView->layout();
    }

    // expand the frame by setting frame height = content height
    if (isScrollable || !hasFixedHeight || childRoot->isFrameSet())
        setHeight(std::max<LayoutUnit>(height(), childFrameView->contentsHeight() + vBorder));
    if (isScrollable || !hasFixedWidth || childRoot->isFrameSet())
        setWidth(std::max<LayoutUnit>(width(), childFrameView->contentsWidth() + hBorder));

    updateWidgetPosition();

    ASSERT(!childFrameView->layoutPending());
    ASSERT(!childRoot->needsLayout());
    ASSERT(!childRoot->firstChild() || !childRoot->firstChild()->firstChildSlow() || !childRoot->firstChild()->firstChildSlow()->needsLayout());

    clearNeedsLayout();
}
Пример #16
0
void RenderIFrame::layoutSeamlessly()
{
    updateLogicalWidth();
    // FIXME: Containers set their height to 0 before laying out their kids (as we're doing here)
    // however, this causes FrameView::layout() to add vertical scrollbars, incorrectly inflating
    // the resulting contentHeight(). We'll need to make FrameView::layout() smarter.
    setLogicalHeight(0);
    updateWidgetPosition(); // Tell the Widget about our new width/height (it will also layout the child document).

    // Laying out our kids is normally responsible for adjusting our height, so we set it here.
    // Replaced elements normally do not respect padding, but seamless elements should: we'll add
    // both padding and border to the child's logical height here.
    FrameView* childFrameView = toFrameView(widget());
    if (childFrameView) // Widget should never be null during layout(), but just in case.
        setLogicalHeight(childFrameView->contentsHeight() + borderTop() + borderBottom() + paddingTop() + paddingBottom());
    updateLogicalHeight();

    updateWidgetPosition(); // Notify the Widget of our final height.

    // Assert that the child document did a complete layout.
    RenderView* childRoot = childFrameView ? childFrameView->frame()->contentRenderer() : 0;
    ASSERT(!childFrameView || !childFrameView->layoutPending());
    ASSERT_UNUSED(childRoot, !childRoot || !childRoot->needsLayout());
}
Пример #17
0
InRegionScrollableArea::InRegionScrollableArea(WebPagePrivate* webPage, RenderLayer* layer)
    : m_webPage(webPage)
    , m_layer(layer)
    , m_document(0)
    , m_hasWindowVisibleRectCalculated(false)
{
    ASSERT(webPage);
    ASSERT(layer);
    m_isNull = false;

    // Add a pointer to the enclosing document as the pointer to layer or node along the way may become invalid.
    if (m_layer->enclosingElement())
        m_document = m_layer->enclosingElement()->document();

    // FIXME: Add an ASSERT here as the 'layer' must be scrollable.

    RenderObject* layerRenderer = layer->renderer();
    ASSERT(layerRenderer);

    if (layerRenderer->isRenderView()) { // #document case

        RenderView* renderView = toRenderView(layerRenderer);
        ASSERT(renderView);

        FrameView* view = toRenderView(layerRenderer)->frameView();
        ASSERT(view);

        Frame* frame = view->frame();
        ASSERT_UNUSED(frame, frame);

        m_scrollPosition = m_webPage->mapToTransformed(view->scrollPosition());
        m_contentsSize = m_webPage->mapToTransformed(view->contentsSize());
        m_viewportSize = m_webPage->mapToTransformed(view->visibleContentRect(ScrollableArea::ExcludeScrollbars)).size();
        m_documentViewportRect = view->frameRect();

        m_scrollsHorizontally = view->contentsWidth() > view->visibleWidth();
        m_scrollsVertically = view->contentsHeight() > view->visibleHeight();

        m_supportsCompositedScrolling = true;

        m_scrollTarget = InnerFrame;

        ASSERT(!m_cachedNonCompositedScrollableNode);

        m_camouflagedCompositedScrollableLayer = reinterpret_cast<unsigned>(renderView->compositor()->scrollLayer()->platformLayer());
        m_cachedCompositedScrollableLayer = renderView->compositor()->scrollLayer()->platformLayer();

    } else { // RenderBox-based elements case (scrollable boxes (div's, p's, textarea's, etc)).

        RenderBox* box = m_layer->renderBox();
        ASSERT(box);
        ASSERT(InRegionScrollerPrivate::canScrollRenderBox(box));

        ScrollableArea* scrollableArea = static_cast<ScrollableArea*>(m_layer);
        m_scrollPosition = m_webPage->mapToTransformed(scrollableArea->scrollPosition());
        m_contentsSize = m_webPage->mapToTransformed(scrollableArea->contentsSize());
        m_viewportSize = m_webPage->mapToTransformed(scrollableArea->visibleContentRect(ScrollableArea::ExcludeScrollbars)).size();
        m_documentViewportRect = enclosingIntRect(box->absoluteClippedOverflowRect());

        m_scrollsHorizontally = box->scrollWidth() != box->clientWidth();
        m_scrollsVertically = box->scrollHeight() != box->clientHeight();

        // Check the overflow if its not an input field because overflow can be set to hidden etc. by the content.
        if (!box->node() || !box->node()->rendererIsEditable()) {
            m_scrollsHorizontally = m_scrollsHorizontally && box->scrollsOverflowX();
            m_scrollsVertically = m_scrollsVertically && box->scrollsOverflowY();
        }

        m_scrollTarget = BlockElement;

        // Both caches below are self-exclusive.
        if (m_layer->usesCompositedScrolling()) {
            m_forceContentToBeVerticallyScrollable = true;
            m_supportsCompositedScrolling = true;
            ASSERT(m_layer->backing()->hasScrollingLayer());
            m_camouflagedCompositedScrollableLayer = reinterpret_cast<unsigned>(m_layer->backing()->scrollingContentsLayer()->platformLayer());
            m_cachedCompositedScrollableLayer = m_layer->backing()->scrollingContentsLayer()->platformLayer();
            ASSERT(!m_cachedNonCompositedScrollableNode);
        } else {
            m_camouflagedCompositedScrollableLayer = reinterpret_cast<unsigned>(m_layer->enclosingElement());
            m_cachedNonCompositedScrollableNode = m_layer->enclosingElement();
            ASSERT(!m_cachedCompositedScrollableLayer);
        }
    }
}
Пример #18
0
int HTMLDocument::height()
{
    updateLayoutIgnorePendingStylesheets();
    FrameView* frameView = view();
    return frameView ? frameView->contentsHeight() : 0;
}
InRegionScrollableArea::InRegionScrollableArea(WebPagePrivate* webPage, RenderLayer* layer)
    : m_webPage(webPage)
    , m_layer(layer)
    , m_document(0)
    , m_hasWindowVisibleRectCalculated(false)
{
    ASSERT(webPage);
    ASSERT(layer);
    m_isNull = false;

    // Add a pointer to the enclosing document as the pointer to layer or node along the way may become invalid.
    if (m_layer->enclosingElement())
        m_document = m_layer->enclosingElement()->document();

    // FIXME: Add an ASSERT here as the 'layer' must be scrollable.

    RenderObject* layerRenderer = layer->renderer();
    ASSERT(layerRenderer);

    if (layerRenderer->isRenderView()) { // #document case

        RenderView* renderView = toRenderView(layerRenderer);
        ASSERT(renderView);

        FrameView* view = toRenderView(layerRenderer)->frameView();
        ASSERT(view);

        Frame* frame = view->frame();
        ASSERT_UNUSED(frame, frame);

        const Platform::ViewportAccessor* viewportAccessor = m_webPage->m_webkitThreadViewportAccessor;
        m_scrollPosition = viewportAccessor->roundToPixelFromDocumentContents(WebCore::FloatPoint(view->scrollPosition()));
        m_contentsSize = viewportAccessor->roundToPixelFromDocumentContents(Platform::FloatRect(Platform::FloatPoint::zero(), WebCore::FloatSize(view->contentsSize()))).size();
        m_viewportSize = viewportAccessor->roundToPixelFromDocumentContents(WebCore::FloatRect(view->visibleContentRect(ScrollableArea::ExcludeScrollbars))).size();
        m_documentViewportRect = view->frameRect();

        m_scrollsHorizontally = view->contentsWidth() > view->visibleWidth();
        m_scrollsVertically = view->contentsHeight() > view->visibleHeight();

        m_supportsCompositedScrolling = true;

        m_scrollTarget = InnerFrame;

        ASSERT(!m_cachedNonCompositedScrollableNode);

        m_camouflagedCompositedScrollableLayer = reinterpret_cast<unsigned>(renderView->compositor()->scrollLayer()->platformLayer());
        m_cachedCompositedScrollableLayer = renderView->compositor()->scrollLayer()->platformLayer();

    } else { // RenderBox-based elements case (scrollable boxes (div's, p's, textarea's, etc)).

        RenderBox* box = m_layer->renderBox();
        ASSERT(box);
        ASSERT(InRegionScrollerPrivate::canScrollRenderBox(box));

        const Platform::ViewportAccessor* viewportAccessor = m_webPage->m_webkitThreadViewportAccessor;
        ScrollableArea* scrollableArea = static_cast<ScrollableArea*>(m_layer);

        m_scrollPosition = viewportAccessor->roundToPixelFromDocumentContents(WebCore::FloatPoint(scrollableArea->scrollPosition()));
        m_contentsSize = viewportAccessor->roundToPixelFromDocumentContents(Platform::FloatRect(Platform::FloatPoint::zero(), WebCore::FloatSize(scrollableArea->contentsSize()))).size();
        m_viewportSize = viewportAccessor->roundToPixelFromDocumentContents(WebCore::FloatRect(scrollableArea->visibleContentRect(ScrollableArea::ExcludeScrollbars))).size();
        m_documentViewportRect = enclosingIntRect(box->absoluteClippedOverflowRect());

        m_scrollsHorizontally = box->scrollWidth() != box->clientWidth();
        m_scrollsVertically = box->scrollHeight() != box->clientHeight();

        // Check the overflow if its not an input field because overflow can be set to hidden etc. by the content.
        if (!DOMSupport::isShadowHostTextInputElement(box->node())) {
            m_scrollsHorizontally = m_scrollsHorizontally && box->scrollsOverflowX();
            m_scrollsVertically = m_scrollsVertically && box->scrollsOverflowY();
        }

        m_scrollTarget = BlockElement;

        // Both caches below are self-exclusive.
        if (m_layer->usesCompositedScrolling()) {
            m_forceContentToBeHorizontallyScrollable = m_scrollsHorizontally;
            m_forceContentToBeVerticallyScrollable = m_scrollsVertically;
            // Force content to be scrollable even if it doesn't need to scroll in either direction.
            if (!m_scrollsHorizontally && !m_scrollsVertically) {
                if (box->scrollsOverflowY())
                    m_forceContentToBeVerticallyScrollable = true;
                else if (box->scrollsOverflowX()) // If it's already forced scrollable vertically, don't force it to scroll horizontally
                    m_forceContentToBeHorizontallyScrollable = true;
            }
            m_supportsCompositedScrolling = true;
            ASSERT(m_layer->backing()->hasScrollingLayer());
            m_camouflagedCompositedScrollableLayer = reinterpret_cast<unsigned>(m_layer->backing()->scrollingContentsLayer()->platformLayer());
            m_cachedCompositedScrollableLayer = m_layer->backing()->scrollingContentsLayer()->platformLayer();
            ASSERT(!m_cachedNonCompositedScrollableNode);
        } else {
            m_camouflagedCompositedScrollableLayer = reinterpret_cast<unsigned>(m_layer->enclosingElement());
            m_cachedNonCompositedScrollableNode = m_layer->enclosingElement();
            ASSERT(!m_cachedCompositedScrollableLayer);
        }
    }
}
void RenderPartObject::layout()
{
    ASSERT(needsLayout());

#ifdef FLATTEN_IFRAME
    RenderPart::calcWidth();
    RenderPart::calcHeight();
    // Calculate the styled dimensions by subtracting the border and padding.
    int extraWidth = paddingLeft() + paddingRight() + borderLeft() + borderRight();
    int extraHeight = paddingTop() + paddingBottom() + borderTop() + borderBottom();
    int styleWidth = width() - extraWidth;
    int styleHeight = height() - extraHeight;
    // Some IFrames have a width and/or height of 1 when they are meant to be
    // hidden. If that is the case, do not try to expand.
    if (node()->hasTagName(iframeTag) && widget() && widget()->isFrameView() &&
            styleWidth > 1 && styleHeight > 1) {
        HTMLIFrameElement* element = static_cast<HTMLIFrameElement*>(node());
        bool scrolling = element->scrollingMode() != ScrollbarAlwaysOff;
        bool widthIsFixed = style()->width().isFixed();
        bool heightIsFixed = style()->height().isFixed();
        // If an iframe has a fixed dimension and suppresses scrollbars, it
        // will disrupt layout if we force it to expand. Plus on a desktop,
        // the extra content is not accessible.
        if (scrolling || !widthIsFixed || !heightIsFixed) {
            FrameView* view = static_cast<FrameView*>(widget());
            RenderView* root = view ? view->frame()->contentRenderer() : NULL;
            if (root && style()->visibility() != HIDDEN) {
                // Update the dimensions to get the correct minimum preferred
                // width
                updateWidgetPosition();

                // Use the preferred width if it is larger and only if
                // scrollbars are visible or the width style is not fixed.
                if (scrolling || !widthIsFixed)
                    setWidth(max(width(), root->minPrefWidth()) + extraWidth);

                // Resize the view to recalc the height.
                int h = height() - extraHeight;
                int w = width() - extraWidth;
                if (w > view->width())
                    h = 0;
                if (w != view->width() || h != view->height()) {
                    view->resize(w, h);
                }

                // Layout the view.
//SAMSUNG CHANGE >>
		  // Browser freeze issue in http://www.enuri.com/
                /* do {
                    view->layout();
                } while (view->layoutPending() || root->needsLayout()); */
                
		  node()->document()->page()->mainFrame()->view()->layoutIfNeededRecursive();
 //SAMSUNG CHANGE <<


                int contentHeight = view->contentsHeight();
                int contentWidth = view->contentsWidth();
                // Only change the width or height if scrollbars are visible or
                // if the style is not a fixed value. Use the maximum value so
                // that iframes never shrink.
                if (scrolling || !heightIsFixed)
                    setHeight(max(height(), contentHeight + extraHeight));
                if (scrolling || !widthIsFixed)
                    setWidth(max(width(), contentWidth + extraWidth));

                // Update one last time
                updateWidgetPosition();

                // Layout one more time to ensure all objects have the correct
                // height.
                view->layout();

#if !ASSERT_DISABLED
                ASSERT(!view->layoutPending());
                ASSERT(!root->needsLayout());
                // Sanity check when assertions are enabled.
                RenderObject* c = root->nextInPreOrder();
                while (c) {
                    ASSERT(!c->needsLayout());
                    c = c->nextInPreOrder();
                }
#endif
            }
        }
    }
#else
    calcWidth();
    calcHeight();
#endif

    RenderPart::layout();

    m_overflow.clear();
    addShadowOverflow();

    setNeedsLayout(false);
}