1 /*
2 * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB. If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 *
19 */
20
21 #include "config.h"
22 #include "HTMLFrameOwnerElement.h"
23
24 #include "DOMWindow.h"
25 #include "Frame.h"
26 #include "FrameLoader.h"
27 #include "RenderPart.h"
28
29 #if ENABLE(SVG)
30 #include "ExceptionCode.h"
31 #include "SVGDocument.h"
32 #endif
33
34 namespace WebCore {
35
HTMLFrameOwnerElement(const QualifiedName & tagName,Document * document)36 HTMLFrameOwnerElement::HTMLFrameOwnerElement(const QualifiedName& tagName, Document* document)
37 : HTMLElement(tagName, document)
38 , m_contentFrame(0)
39 , m_sandboxFlags(SandboxNone)
40 {
41 }
42
renderPart() const43 RenderPart* HTMLFrameOwnerElement::renderPart() const
44 {
45 // HTMLObjectElement and HTMLEmbedElement may return arbitrary renderers
46 // when using fallback content.
47 if (!renderer() || !renderer()->isRenderPart())
48 return 0;
49 return toRenderPart(renderer());
50 }
51
willRemove()52 void HTMLFrameOwnerElement::willRemove()
53 {
54 // FIXME: It is unclear why this can't be moved to removedFromDocument()
55 // this is the only implementation of willRemove in WebCore!
56 if (Frame* frame = contentFrame()) {
57 RefPtr<Frame> protect(frame);
58 frame->loader()->frameDetached();
59 frame->disconnectOwnerElement();
60 }
61
62 HTMLElement::willRemove();
63 }
64
~HTMLFrameOwnerElement()65 HTMLFrameOwnerElement::~HTMLFrameOwnerElement()
66 {
67 if (m_contentFrame)
68 m_contentFrame->disconnectOwnerElement();
69 }
70
contentDocument() const71 Document* HTMLFrameOwnerElement::contentDocument() const
72 {
73 return m_contentFrame ? m_contentFrame->document() : 0;
74 }
75
contentWindow() const76 DOMWindow* HTMLFrameOwnerElement::contentWindow() const
77 {
78 return m_contentFrame ? m_contentFrame->domWindow() : 0;
79 }
80
setSandboxFlags(SandboxFlags flags)81 void HTMLFrameOwnerElement::setSandboxFlags(SandboxFlags flags)
82 {
83 if (m_sandboxFlags == flags)
84 return;
85
86 m_sandboxFlags = flags;
87
88 if (Frame* frame = contentFrame())
89 frame->loader()->ownerElementSandboxFlagsChanged();
90 }
91
isKeyboardFocusable(KeyboardEvent * event) const92 bool HTMLFrameOwnerElement::isKeyboardFocusable(KeyboardEvent* event) const
93 {
94 return m_contentFrame && HTMLElement::isKeyboardFocusable(event);
95 }
96
97 #if ENABLE(SVG)
getSVGDocument(ExceptionCode & ec) const98 SVGDocument* HTMLFrameOwnerElement::getSVGDocument(ExceptionCode& ec) const
99 {
100 Document* doc = contentDocument();
101 if (doc && doc->isSVGDocument())
102 return static_cast<SVGDocument*>(doc);
103 // Spec: http://www.w3.org/TR/SVG/struct.html#InterfaceGetSVGDocument
104 ec = NOT_SUPPORTED_ERR;
105 return 0;
106 }
107 #endif
108
109 } // namespace WebCore
110