1 /*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * Copyright (C) 2003, 2006, 2009 Apple Inc. All rights reserved.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB. If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 *
20 */
21
22 #include "config.h"
23 #include "RenderApplet.h"
24
25 #include "Frame.h"
26 #include "HTMLAppletElement.h"
27 #include "HTMLNames.h"
28 #include "HTMLParamElement.h"
29 #include "Widget.h"
30
31 namespace WebCore {
32
33 using namespace HTMLNames;
34
RenderApplet(HTMLAppletElement * applet,const HashMap<String,String> & args)35 RenderApplet::RenderApplet(HTMLAppletElement* applet, const HashMap<String, String>& args)
36 : RenderWidget(applet)
37 , m_args(args)
38 {
39 setInline(true);
40 }
41
intrinsicSize() const42 IntSize RenderApplet::intrinsicSize() const
43 {
44 // FIXME: This doesn't make sense. We can't just start returning
45 // a different size once we've created the widget and expect
46 // layout and sizing to be correct. We should remove this and
47 // pass the appropriate intrinsic size in the constructor.
48 return widget() ? IntSize(50, 50) : IntSize(150, 150);
49 }
50
createWidgetIfNecessary()51 void RenderApplet::createWidgetIfNecessary()
52 {
53 HTMLAppletElement* element = static_cast<HTMLAppletElement*>(node());
54 if (widget() || !element->isFinishedParsingChildren())
55 return;
56
57 // FIXME: Java applets can't be resized (this is a bug in Apple's Java implementation).
58 // In order to work around this problem and have a correct size from the start, we will
59 // use fixed widths/heights from the style system when we can, since the widget might
60 // not have an accurate m_width/m_height.
61 int contentWidth = style()->width().isFixed() ? style()->width().value() :
62 width() - borderLeft() - borderRight() - paddingLeft() - paddingRight();
63 int contentHeight = style()->height().isFixed() ? style()->height().value() :
64 height() - borderTop() - borderBottom() - paddingTop() - paddingBottom();
65 for (Node* child = element->firstChild(); child; child = child->nextSibling()) {
66 if (child->hasTagName(paramTag)) {
67 HTMLParamElement* p = static_cast<HTMLParamElement*>(child);
68 if (!p->name().isEmpty())
69 m_args.set(p->name(), p->value());
70 }
71 }
72
73 Frame* frame = document()->frame();
74 ASSERT(frame);
75 setWidget(frame->loader()->createJavaAppletWidget(IntSize(contentWidth, contentHeight), element, m_args));
76 }
77
layout()78 void RenderApplet::layout()
79 {
80 ASSERT(needsLayout());
81
82 calcWidth();
83 calcHeight();
84
85 // The applet's widget gets created lazily upon first layout.
86 createWidgetIfNecessary();
87 setNeedsLayout(false);
88 }
89
90 } // namespace WebCore
91