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
31namespace WebCore {
32
33RenderFrame::RenderFrame(HTMLFrameElement* frame)
34    : RenderFrameBase(frame)
35{
36    setInline(false);
37}
38
39FrameEdgeInfo RenderFrame::edgeInfo() const
40{
41    HTMLFrameElement* element = static_cast<HTMLFrameElement*>(node());
42    return FrameEdgeInfo(element->noResize(), element->hasFrameBorder());
43}
44
45void 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
63void 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