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1 /*
2  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3  *           (C) 2000 Simon Hausmann <hausmann@kde.org>
4  *           (C) 2000 Stefan Schimanski (1Stein@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 
RenderFrame(HTMLFrameElement * frame)33 RenderFrame::RenderFrame(HTMLFrameElement* frame)
34     : RenderFrameBase(frame)
35 {
36     setInline(false);
37 }
38 
edgeInfo() const39 FrameEdgeInfo RenderFrame::edgeInfo() const
40 {
41     HTMLFrameElement* element = static_cast<HTMLFrameElement*>(node());
42     return FrameEdgeInfo(element->noResize(), element->hasFrameBorder());
43 }
44 
viewCleared()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
layout()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