JSDOMWindowBase.h revision 5f1ab04193ad0130ca8204aadaceae083aca9881 
1/*
2 *  Copyright (C) 2000 Harri Porten (porten@kde.org)
3 *  Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reseved.
4 *
5 *  This library is free software; you can redistribute it and/or
6 *  modify it under the terms of the GNU Lesser 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 *  Lesser General Public License for more details.
14 *
15 *  You should have received a copy of the GNU Lesser General Public
16 *  License along with this library; if not, write to the Free Software
17 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
18 */
19
20#ifndef JSDOMWindowBase_h
21#define JSDOMWindowBase_h
22
23#include "PlatformString.h"
24#include "JSDOMBinding.h"
25#include <runtime/Protect.h>
26#include <wtf/HashMap.h>
27#include <wtf/OwnPtr.h>
28
29namespace WebCore {
30
31    class AtomicString;
32    class DOMWindow;
33    class Event;
34    class Frame;
35    class JSDOMWindow;
36    class JSDOMWindowShell;
37    class JSLocation;
38    class JSEventListener;
39    class SecurityOrigin;
40
41    class JSDOMWindowBasePrivate;
42
43    // This is the only WebCore JS binding which does not inherit from DOMObject
44    class JSDOMWindowBase : public JSDOMGlobalObject {
45        typedef JSDOMGlobalObject Base;
46    protected:
47        JSDOMWindowBase(PassRefPtr<JSC::Structure>, PassRefPtr<DOMWindow>, JSDOMWindowShell*);
48
49    public:
50        void updateDocument();
51
52        DOMWindow* impl() const { return d()->impl.get(); }
53        virtual ScriptExecutionContext* scriptExecutionContext() const;
54
55        virtual bool getOwnPropertySlot(JSC::ExecState*, const JSC::Identifier&, JSC::PropertySlot&);
56        virtual void put(JSC::ExecState*, const JSC::Identifier& propertyName, JSC::JSValue, JSC::PutPropertySlot&);
57
58        // Called just before removing this window from the JSDOMWindowShell.
59        void willRemoveFromWindowShell();
60
61        virtual const JSC::ClassInfo* classInfo() const { return &s_info; }
62        static const JSC::ClassInfo s_info;
63
64        virtual JSC::ExecState* globalExec();
65
66        virtual bool supportsProfiling() const;
67
68        virtual bool shouldInterruptScript() const;
69
70        bool allowsAccessFrom(JSC::ExecState*) const;
71        bool allowsAccessFromNoErrorMessage(JSC::ExecState*) const;
72        bool allowsAccessFrom(JSC::ExecState*, String& message) const;
73
74        void printErrorMessage(const String&) const;
75
76        // Don't call this version of allowsAccessFrom -- it's a slightly incorrect implementation used only by WebScriptObject
77        virtual bool allowsAccessFrom(const JSC::JSGlobalObject*) const;
78
79        virtual JSC::JSObject* toThisObject(JSC::ExecState*) const;
80        JSDOMWindowShell* shell() const;
81
82        static JSC::JSGlobalData* commonJSGlobalData();
83
84    private:
85        struct JSDOMWindowBaseData : public JSDOMGlobalObjectData {
86            JSDOMWindowBaseData(PassRefPtr<DOMWindow>, JSDOMWindowShell*);
87
88            RefPtr<DOMWindow> impl;
89            JSDOMWindowShell* shell;
90        };
91
92        static JSC::JSValue childFrameGetter(JSC::ExecState*, const JSC::Identifier&, const JSC::PropertySlot&);
93        static JSC::JSValue indexGetter(JSC::ExecState*, const JSC::Identifier&, const JSC::PropertySlot&);
94        static JSC::JSValue namedItemGetter(JSC::ExecState*, const JSC::Identifier&, const JSC::PropertySlot&);
95
96        bool allowsAccessFromPrivate(const JSC::JSGlobalObject*) const;
97        String crossDomainAccessErrorMessage(const JSC::JSGlobalObject*) const;
98
99        JSDOMWindowBaseData* d() const { return static_cast<JSDOMWindowBaseData*>(JSC::JSVariableObject::d); }
100    };
101
102    // Returns a JSDOMWindow or jsNull()
103    JSC::JSValue toJS(JSC::ExecState*, DOMWindow*);
104
105    // Returns JSDOMWindow or 0
106    JSDOMWindow* toJSDOMWindow(Frame*);
107    JSDOMWindow* toJSDOMWindow(JSC::JSValue);
108
109} // namespace WebCore
110
111#endif // JSDOMWindowBase_h
112