/** * This file is part of the KDE project. * * Copyright (C) 1999 Lars Knoll (knoll@kde.org) * (C) 2000 Simon Hausmann * (C) 2000 Stefan Schimanski (1Stein@gmx.de) * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public License * along with this library; see the file COPYING.LIB. If not, write to * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. * */ #include "config.h" #include "RenderPart.h" #include "Document.h" #include "Frame.h" #include "FrameTree.h" #include "FrameView.h" #include "HTMLFrameOwnerElement.h" #include "HTMLNames.h" #include "Page.h" namespace WebCore { using namespace HTMLNames; RenderPart::RenderPart(HTMLFrameOwnerElement* node) : RenderWidget(node) { // init RenderObject attributes setInline(false); } RenderPart::~RenderPart() { // Since deref ends up calling setWidget back on us, need to make sure // that widget is already 0 so it won't do any work. Widget* widget = m_widget; m_widget = 0; if (widget && widget->isFrameView()) static_cast(widget)->deref(); else delete widget; } void RenderPart::setWidget(Widget* widget) { if (widget != m_widget) { if (widget && widget->isFrameView()) static_cast(widget)->ref(); RenderWidget::setWidget(widget); setNeedsLayoutAndPrefWidthsRecalc(); // make sure the scrollbars are set correctly for restore // ### find better fix viewCleared(); } } void RenderPart::viewCleared() { } void RenderPart::deleteWidget() { if (m_widget && m_widget->isFrameView()) static_cast(m_widget)->deref(); else delete m_widget; } // FIXME: This should not be necessary. Remove this once WebKit knows to properly schedule // layouts using WebCore when objects resize. void RenderPart::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); bool boundsChanged = newBounds != m_widget->frameGeometry(); if (boundsChanged) { // The widget changed positions. Update the frame geometry. RenderArena *arena = ref(); element()->ref(); m_widget->setFrameGeometry(newBounds); element()->deref(); deref(arena); } // if the frame bounds got changed, or if view needs layout (possibly indicating // content size is wrong) we have to do a layout to set the right widget size if (m_widget && m_widget->isFrameView()) { FrameView* frameView = static_cast(m_widget); if (boundsChanged || frameView->needsLayout()) frameView->layout(); } } }