/platform/external/webkit/WebCore/bindings/js/JSDOMWindowCustom.h

 1/*
 2 *  Copyright (C) 2008, 2009 Apple Inc. All rights reseved.
 3 *
 4 *  This library is free software; you can redistribute it and/or
 5 *  modify it under the terms of the GNU Lesser 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 *  Lesser General Public License for more details.
13 *
14 *  You should have received a copy of the GNU Lesser General Public
15 *  License along with this library; if not, write to the Free Software
16 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
17 */
18
19#ifndef JSDOMWindowCustom_h
20#define JSDOMWindowCustom_h
21
22#include "JSDOMWindow.h"
23#include "JSDOMWindowShell.h"
24#include <wtf/AlwaysInline.h>
25
26namespace WebCore {
27
28inline JSDOMWindow* asJSDOMWindow(JSC::JSGlobalObject* globalObject)
29{
30    return static_cast<JSDOMWindow*>(globalObject);
31}
32 
33inline const JSDOMWindow* asJSDOMWindow(const JSC::JSGlobalObject* globalObject)
34{
35    return static_cast<const JSDOMWindow*>(globalObject);
36}
37
38inline bool JSDOMWindowBase::allowsAccessFrom(const JSGlobalObject* other) const
39{
40    if (allowsAccessFromPrivate(other))
41        return true;
42    printErrorMessage(crossDomainAccessErrorMessage(other));
43    return false;
44}
45
46inline bool JSDOMWindowBase::allowsAccessFrom(JSC::ExecState* exec) const
47{
48    if (allowsAccessFromPrivate(exec->lexicalGlobalObject()))
49        return true;
50    printErrorMessage(crossDomainAccessErrorMessage(exec->lexicalGlobalObject()));
51    return false;
52}
53    
54inline bool JSDOMWindowBase::allowsAccessFromNoErrorMessage(JSC::ExecState* exec) const
55{
56    return allowsAccessFromPrivate(exec->lexicalGlobalObject());
57}
58    
59inline bool JSDOMWindowBase::allowsAccessFrom(JSC::ExecState* exec, String& message) const
60{
61    if (allowsAccessFromPrivate(exec->lexicalGlobalObject()))
62        return true;
63    message = crossDomainAccessErrorMessage(exec->lexicalGlobalObject());
64    return false;
65}
66    
67ALWAYS_INLINE bool JSDOMWindowBase::allowsAccessFromPrivate(const JSGlobalObject* other) const
68{
69    const JSDOMWindow* originWindow = asJSDOMWindow(other);
70    const JSDOMWindow* targetWindow = d()->shell->window();
71
72    if (originWindow == targetWindow)
73        return true;
74
75    const SecurityOrigin* originSecurityOrigin = originWindow->impl()->securityOrigin();
76    const SecurityOrigin* targetSecurityOrigin = targetWindow->impl()->securityOrigin();
77
78    return originSecurityOrigin->canAccess(targetSecurityOrigin);
79}
80
81}
82
83#endif // JSDOMWindowCustom_h