| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * (C) 2000 Simon Hausmann <hausmann@kde.org> |
| * (C) 2000 Stefan Schimanski (1Stein@gmx.de) |
| * Copyright (C) 2004, 2005, 2006, 2008, 2009 Apple Inc. All rights reserved. |
| * |
| * 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., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #include "config.h" |
| #include "RenderPartObject.h" |
| |
| #include "Frame.h" |
| #include "FrameLoaderClient.h" |
| #include "HTMLEmbedElement.h" |
| #include "HTMLIFrameElement.h" |
| #include "HTMLNames.h" |
| #include "HTMLObjectElement.h" |
| #include "HTMLParamElement.h" |
| #include "MIMETypeRegistry.h" |
| #include "Page.h" |
| #include "RenderView.h" |
| #include "RenderWidgetProtector.h" |
| #include "Settings.h" |
| #include "Text.h" |
| |
| #if ENABLE(PLUGIN_PROXY_FOR_VIDEO) |
| #include "HTMLVideoElement.h" |
| #endif |
| |
| namespace WebCore { |
| |
| using namespace HTMLNames; |
| |
| RenderPartObject::RenderPartObject(Element* element) |
| : RenderPart(element) |
| { |
| } |
| |
| bool RenderPartObject::flattenFrame() |
| { |
| if (!node() || !node()->hasTagName(iframeTag)) |
| return false; |
| |
| HTMLIFrameElement* element = static_cast<HTMLIFrameElement*>(node()); |
| bool isScrollable = element->scrollingMode() != ScrollbarAlwaysOff; |
| |
| if (!isScrollable && style()->width().isFixed() |
| && style()->height().isFixed()) |
| return false; |
| |
| Frame* frame = element->document()->frame(); |
| bool enabled = frame && frame->settings()->frameFlatteningEnabled(); |
| |
| if (!enabled || !frame->page()) |
| return false; |
| |
| FrameView* view = frame->page()->mainFrame()->view(); |
| if (!view) |
| return false; |
| |
| // Do not flatten offscreen inner frames during frame flattening. |
| return absoluteBoundingBoxRect().intersects(IntRect(IntPoint(0, 0), view->contentsSize())); |
| } |
| |
| 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)); |
| } |
| } |
| |
| void RenderPartObject::calcWidth() |
| { |
| RenderPart::calcWidth(); |
| if (!flattenFrame()) |
| return; |
| |
| HTMLIFrameElement* frame = static_cast<HTMLIFrameElement*>(node()); |
| bool isScrollable = frame->scrollingMode() != ScrollbarAlwaysOff; |
| |
| if (isScrollable || !style()->width().isFixed()) { |
| FrameView* view = static_cast<FrameView*>(widget()); |
| int border = borderLeft() + borderRight(); |
| setWidth(max(width(), view->contentsWidth() + border)); |
| } |
| } |
| |
| void RenderPartObject::layout() |
| { |
| ASSERT(needsLayout()); |
| |
| RenderPart::calcWidth(); |
| RenderPart::calcHeight(); |
| |
| if (flattenFrame()) { |
| layoutWithFlattening(style()->width().isFixed(), style()->height().isFixed()); |
| return; |
| } |
| |
| RenderPart::layout(); |
| |
| m_overflow.clear(); |
| addShadowOverflow(); |
| |
| setNeedsLayout(false); |
| } |
| |
| void RenderPartObject::viewCleared() |
| { |
| if (node() && widget() && widget()->isFrameView()) { |
| FrameView* view = static_cast<FrameView*>(widget()); |
| int marginw = -1; |
| int marginh = -1; |
| if (node()->hasTagName(iframeTag)) { |
| HTMLIFrameElement* frame = static_cast<HTMLIFrameElement*>(node()); |
| marginw = frame->getMarginWidth(); |
| marginh = frame->getMarginHeight(); |
| } |
| if (marginw != -1) |
| view->setMarginWidth(marginw); |
| if (marginh != -1) |
| view->setMarginHeight(marginh); |
| } |
| } |
| |
| } |