#include "config.h"
#include "RenderWidget.h"
#include "AXObjectCache.h"
#include "Document.h"
#include "Element.h"
#include "EventNames.h"
#include "FrameView.h"
#include "GraphicsContext.h"
#include "RenderView.h"
using namespace std;
namespace WebCore {
using namespace EventNames;
RenderWidget::RenderWidget(Node* node)
: RenderReplaced(node)
, m_widget(0)
, m_refCount(0)
{
ASSERT(node);
m_view = node->document()->view();
view()->addWidget(this);
ref();
}
void RenderWidget::destroy()
{
if (RenderView *c = view())
c->removeWidget(this);
remove();
if (m_widget) {
if (m_view)
m_view->removeChild(m_widget);
m_widget->setClient(0);
}
RenderLayer* layer = m_layer;
RenderArena* arena = renderArena();
if (layer)
layer->clearClipRect();
setNode(0);
deref(arena);
if (layer)
layer->destroy(arena);
}
RenderWidget::~RenderWidget()
{
ASSERT(m_refCount <= 0);
deleteWidget();
}
void RenderWidget::resizeWidget(Widget* widget, int w, int h)
{
if (element() && (widget->width() != w || widget->height() != h)) {
RenderArena *arena = ref();
element()->ref();
widget->resize(w, h);
element()->deref();
deref(arena);
}
}
void RenderWidget::setWidget(Widget* widget)
{
if (widget != m_widget) {
if (m_widget) {
m_widget->setClient(0);
deleteWidget();
}
m_widget = widget;
if (m_widget) {
m_widget->setClient(this);
if (!needsLayout() && style())
resizeWidget(m_widget,
m_width - borderLeft() - borderRight() - paddingLeft() - paddingRight(),
m_height - borderTop() - borderBottom() - paddingTop() - paddingBottom());
else
setPos(xPos(), -500000);
if (style()) {
if (style()->visibility() != VISIBLE)
m_widget->hide();
else
m_widget->show();
}
m_view->addChild(m_widget, -500000, 0);
}
}
}
void RenderWidget::layout()
{
ASSERT(needsLayout());
ASSERT(minMaxKnown());
setNeedsLayout(false);
}
void RenderWidget::sendConsumedMouseUp(Widget*)
{
RenderArena* arena = ref();
EventTargetNodeCast(node())->dispatchSimulatedMouseEvent(mouseupEvent);
deref(arena);
}
void RenderWidget::setStyle(RenderStyle *_style)
{
RenderReplaced::setStyle(_style);
if (m_widget) {
m_widget->setFont(style()->font());
if (style()->visibility() != VISIBLE)
m_widget->hide();
else
m_widget->show();
}
}
void RenderWidget::paint(PaintInfo& i, int tx, int ty)
{
if (!shouldPaint(i, tx, ty))
return;
tx += m_x;
ty += m_y;
if (shouldPaintBackgroundOrBorder() && i.phase != PaintPhaseOutline && i.phase != PaintPhaseSelfOutline)
paintBoxDecorations(i, tx, ty);
if (!m_view || i.phase != PaintPhaseForeground || style()->visibility() != VISIBLE)
return;
#if PLATFORM(MAC)
if (style()->highlight() != nullAtom && !i.p->paintingDisabled())
paintCustomHighlight(tx - m_x, ty - m_y, style()->highlight(), true);
#endif
if (m_widget) {
m_widget->move(tx + borderLeft() + paddingLeft(), ty + borderTop() + paddingTop());
m_widget->paint(i.p, i.r);
}
if (isSelected() && !document()->printing())
i.p->fillRect(selectionRect(), selectionBackgroundColor());
}
void RenderWidget::focusIn(Widget*)
{
RenderArena* arena = ref();
RefPtr<Node> elem = element();
if (elem)
elem->document()->setFocusNode(elem);
deref(arena);
}
void RenderWidget::focusOut(Widget*)
{
RenderArena* arena = ref();
RefPtr<Node> elem = element();
if (elem && elem == elem->document()->focusNode())
elem->document()->setFocusNode(0);
deref(arena);
}
void RenderWidget::scrollToVisible(Widget* widget)
{
if (RenderLayer* layer = enclosingLayer())
layer->scrollRectToVisible(absoluteBoundingBoxRect());
}
bool RenderWidget::isVisible(Widget* widget)
{
return style()->visibility() == VISIBLE;
}
Element* RenderWidget::element(Widget* widget)
{
Node* n = node();
return n->isElementNode() ? static_cast<Element*>(n) : 0;
}
void RenderWidget::deref(RenderArena *arena)
{
if (--m_refCount <= 0)
arenaDelete(arena, this);
}
void RenderWidget::updateWidgetPosition()
{
if (!m_widget)
return;
int x, y, width, height;
absolutePosition(x, y);
x += borderLeft() + paddingLeft();
y += borderTop() + paddingTop();
width = m_width - borderLeft() - borderRight() - paddingLeft() - paddingRight();
height = m_height - borderTop() - borderBottom() - paddingTop() - paddingBottom();
IntRect newBounds(x,y,width,height);
IntRect oldBounds(m_widget->frameGeometry());
if (newBounds != oldBounds) {
if (checkForRepaintDuringLayout()) {
RenderView* c = view();
if (!c->printingMode()) {
c->repaintViewRectangle(oldBounds);
c->repaintViewRectangle(newBounds);
}
}
RenderArena *arena = ref();
element()->ref();
m_widget->setFrameGeometry(newBounds);
element()->deref();
deref(arena);
}
}
void RenderWidget::setSelectionState(SelectionState s)
{
if (selectionState() != s) {
RenderReplaced::setSelectionState(s);
m_selectionState = s;
if (m_widget)
m_widget->setIsSelected(isSelected());
}
}
void RenderWidget::deleteWidget()
{
delete m_widget;
}
}