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);
}
void RenderPartObject::calcWidth() {
RenderPart::calcWidth();
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 width is fixed.
bool scrolling = static_cast<HTMLIFrameElement*>(node())->scrollingMode() != ScrollbarAlwaysOff;
if (!scrolling && style()->width().isFixed())
return;
// Update the dimensions to get the correct minimum preferred
// width
updateWidgetPosition();
int extraWidth = paddingLeft() + paddingRight() + borderLeft() + borderRight();
// Set the width
setWidth(max(width(), root->minPrefWidth()) + extraWidth);
// Update based on the new width
updateWidgetPosition();
// 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 <<
setWidth(max(width(), view->contentsWidth() + extraWidth));
// Update one last time to ensure the dimensions.
updateWidgetPosition();
}
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);
}