1 /* 2 * Copyright (C) 2000 Harri Porten (porten (at) 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 29 namespace WebCore { 30 31 class AtomicString; 32 class DOMWindow; 33 class Event; 34 class Frame; 35 class DOMWrapperWorld; 36 class JSDOMWindow; 37 class JSDOMWindowShell; 38 class JSLocation; 39 class JSEventListener; 40 class SecurityOrigin; 41 42 class JSDOMWindowBasePrivate; 43 44 class JSDOMWindowBase : public JSDOMGlobalObject { 45 typedef JSDOMGlobalObject Base; 46 protected: 47 JSDOMWindowBase(NonNullPassRefPtr<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 // Called just before removing this window from the JSDOMWindowShell. 56 void willRemoveFromWindowShell(); 57 58 virtual const JSC::ClassInfo* classInfo() const { return &s_info; } 59 static const JSC::ClassInfo s_info; 60 61 virtual JSC::ExecState* globalExec(); 62 virtual bool supportsProfiling() const; 63 virtual bool shouldInterruptScript() const; 64 65 bool allowsAccessFrom(JSC::ExecState*) const; 66 bool allowsAccessFromNoErrorMessage(JSC::ExecState*) const; 67 bool allowsAccessFrom(JSC::ExecState*, String& message) const; 68 void printErrorMessage(const String&) const; 69 70 // Don't call this version of allowsAccessFrom -- it's a slightly incorrect implementation used only by WebScriptObject 71 virtual bool allowsAccessFrom(const JSC::JSGlobalObject*) const; 72 73 virtual JSC::JSObject* toThisObject(JSC::ExecState*) const; 74 JSDOMWindowShell* shell() const; 75 76 static JSC::JSGlobalData* commonJSGlobalData(); 77 78 private: 79 struct JSDOMWindowBaseData : public JSDOMGlobalObjectData { 80 JSDOMWindowBaseData(PassRefPtr<DOMWindow> window, JSDOMWindowShell* shell); 81 82 RefPtr<DOMWindow> impl; 83 JSDOMWindowShell* shell; 84 }; 85 86 bool allowsAccessFromPrivate(const JSC::JSGlobalObject*) const; 87 String crossDomainAccessErrorMessage(const JSC::JSGlobalObject*) const; 88 89 static void destroyJSDOMWindowBaseData(void*); 90 91 JSDOMWindowBaseData* d() const { return static_cast<JSDOMWindowBaseData*>(JSC::JSVariableObject::d); } 92 }; 93 94 // Returns a JSDOMWindow or jsNull() 95 // JSDOMGlobalObject* is ignored, accessing a window in any context will 96 // use that DOMWindow's prototype chain. 97 JSC::JSValue toJS(JSC::ExecState*, JSDOMGlobalObject*, DOMWindow*); 98 JSC::JSValue toJS(JSC::ExecState*, DOMWindow*); 99 100 // Returns JSDOMWindow or 0 101 JSDOMWindow* toJSDOMWindow(Frame*, DOMWrapperWorld*); 102 JSDOMWindow* toJSDOMWindow(JSC::JSValue); 103 104 } // namespace WebCore 105 106 #endif // JSDOMWindowBase_h 107