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      1 /*
      2  * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org)
      3  *           (C) 2000 Simon Hausmann <hausmann (at) kde.org>
      4  *           (C) 2000 Stefan Schimanski (1Stein (at) gmx.de)
      5  * Copyright (C) 2004, 2005, 2006, 2009 Apple Inc. All rights reserved.
      6  *
      7  * This library is free software; you can redistribute it and/or
      8  * modify it under the terms of the GNU Library General Public
      9  * License as published by the Free Software Foundation; either
     10  * version 2 of the License, or (at your option) any later version.
     11  *
     12  * This library is distributed in the hope that it will be useful,
     13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     15  * Library General Public License for more details.
     16  *
     17  * You should have received a copy of the GNU Library General Public License
     18  * along with this library; see the file COPYING.LIB.  If not, write to
     19  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     20  * Boston, MA 02110-1301, USA.
     21  *
     22  */
     23 
     24 #include "config.h"
     25 #include "RenderFrame.h"
     26 
     27 #include "FrameView.h"
     28 #include "HTMLFrameElement.h"
     29 #include "RenderView.h"
     30 
     31 namespace WebCore {
     32 
     33 RenderFrame::RenderFrame(HTMLFrameElement* frame)
     34     : RenderFrameBase(frame)
     35 {
     36     setInline(false);
     37 }
     38 
     39 FrameEdgeInfo RenderFrame::edgeInfo() const
     40 {
     41     HTMLFrameElement* element = static_cast<HTMLFrameElement*>(node());
     42     return FrameEdgeInfo(element->noResize(), element->hasFrameBorder());
     43 }
     44 
     45 void RenderFrame::viewCleared()
     46 {
     47     HTMLFrameElement* element = static_cast<HTMLFrameElement*>(node());
     48     if (!element || !widget() || !widget()->isFrameView())
     49         return;
     50 
     51     FrameView* view = static_cast<FrameView*>(widget());
     52 
     53     int marginWidth = element->marginWidth();
     54     int marginHeight = element->marginHeight();
     55 
     56     if (marginWidth != -1)
     57         view->setMarginWidth(marginWidth);
     58     if (marginHeight != -1)
     59         view->setMarginHeight(marginHeight);
     60 }
     61 
     62 #ifdef ANDROID_FLATTEN_FRAMESET
     63 void RenderFrame::layout()
     64 {
     65     FrameView* view = static_cast<FrameView*>(widget());
     66     RenderView* root = view ? view->frame()->contentRenderer() : 0;
     67 
     68     // Do not expand frames which has zero width or height
     69     if (!width() || !height() || !root) {
     70         updateWidgetPosition();
     71         if (view)
     72             view->layout();
     73         setNeedsLayout(false);
     74         return;
     75     }
     76 
     77     HTMLFrameElementBase* element = static_cast<HTMLFrameElementBase*>(node());
     78     if (element->scrollingMode() == ScrollbarAlwaysOff && !root->isFrameSet()) {
     79         setNeedsLayout(false);
     80         return;
     81     }
     82 
     83     // Update the dimensions to get the correct width and height
     84     updateWidgetPosition();
     85     if (root->preferredLogicalWidthsDirty())
     86         root->computePreferredLogicalWidths();
     87 
     88     // Expand the frame by setting frame height = content height
     89     setWidth(max(view->contentsWidth() + borderAndPaddingWidth(), width()));
     90     setHeight(max(view->contentsHeight() + borderAndPaddingHeight(), height()));
     91 
     92     // Update one more time
     93     updateWidgetPosition();
     94 
     95     setNeedsLayout(false);
     96 }
     97 #endif
     98 
     99 } // namespace WebCore
    100