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/*
* Copyright (C) 2000 Harri Porten (porten@kde.org)
* Copyright (C) 2003-2021 Apple Inc. All rights reseved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#pragma once
#include "JSDOMGlobalObject.h"
#include "JSDOMWrapperCache.h"
#include "LocalDOMWindow.h"
#include <JavaScriptCore/AuxiliaryBarrierInlines.h>
#include <JavaScriptCore/HeapInlines.h>
#include <JavaScriptCore/JSArray.h>
#include <JavaScriptCore/JSCJSValueInlines.h>
#include <JavaScriptCore/JSCellInlines.h>
#include <JavaScriptCore/JSObjectInlines.h>
#include <JavaScriptCore/Lookup.h>
#include <JavaScriptCore/ObjectConstructor.h>
#include <JavaScriptCore/SlotVisitorInlines.h>
#include <JavaScriptCore/Structure.h>
#include <JavaScriptCore/StructureInlines.h>
#include <JavaScriptCore/WriteBarrier.h>
#include <cstddef>
#include <wtf/Forward.h>
#include <wtf/GetPtr.h>
#include <wtf/Vector.h>
namespace WebCore {
class DOMWrapperWorld;
class FetchResponse;
class JSDOMWindowBasePrivate;
class JSDOMWindow;
class JSWindowProxy;
class LocalFrame;
class WEBCORE_EXPORT JSDOMWindowBase : public JSDOMGlobalObject {
public:
using Base = JSDOMGlobalObject;
static void destroy(JSCell*);
template<typename, JSC::SubspaceAccess>
static void subspaceFor(JSC::VM&) { RELEASE_ASSERT_NOT_REACHED(); }
~JSDOMWindowBase();
void updateDocument();
DOMWindow& wrapped() const;
Document* scriptExecutionContext() const;
// Called just before removing this window from the JSWindowProxy.
void willRemoveFromWindowProxy();
DECLARE_INFO;
static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSValue prototype)
{
return JSC::Structure::create(vm, 0, prototype, JSC::TypeInfo(JSC::GlobalObjectType, StructureFlags), info());
}
static bool supportsRichSourceInfo(const JSC::JSGlobalObject*);
static bool shouldInterruptScript(const JSC::JSGlobalObject*);
static bool shouldInterruptScriptBeforeTimeout(const JSC::JSGlobalObject*);
static JSC::RuntimeFlags javaScriptRuntimeFlags(const JSC::JSGlobalObject*);
static void queueMicrotaskToEventLoop(JSC::JSGlobalObject&, Ref<JSC::Microtask>&&);
static JSC::JSObject* currentScriptExecutionOwner(JSC::JSGlobalObject*);
static JSC::ScriptExecutionStatus scriptExecutionStatus(JSC::JSGlobalObject*, JSC::JSObject*);
static void reportViolationForUnsafeEval(JSC::JSGlobalObject*, const String&);
void printErrorMessage(const String&) const;
JSWindowProxy& proxy() const;
static void fireFrameClearedWatchpointsForWindow(LocalDOMWindow*);
void setCurrentEvent(Event*);
Event* currentEvent() const;
protected:
JSDOMWindowBase(JSC::VM&, JSC::Structure*, RefPtr<DOMWindow>&&, JSWindowProxy*);
void finishCreation(JSC::VM&, JSWindowProxy*);
void initStaticGlobals(JSC::VM&);
RefPtr<JSC::WatchpointSet> m_windowCloseWatchpoints;
private:
static const JSC::GlobalObjectMethodTable* globalObjectMethodTable();
RefPtr<DOMWindow> m_wrapped;
RefPtr<Event> m_currentEvent;
};
WEBCORE_EXPORT JSC::JSValue toJS(JSC::JSGlobalObject*, DOMWindow&);
// The following return a JSWindowProxy or jsNull()
// JSDOMGlobalObject* is ignored, accessing a window in any context will use that LocalDOMWindow's prototype chain.
inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject*, DOMWindow& window) { return toJS(lexicalGlobalObject, window); }
inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, DOMWindow* window) { return window ? toJS(lexicalGlobalObject, globalObject, *window) : JSC::jsNull(); }
inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, DOMWindow* window) { return window ? toJS(lexicalGlobalObject, *window) : JSC::jsNull(); }
// The following return a JSDOMWindow or nullptr.
JSDOMWindow* toJSDOMWindow(LocalFrame&, DOMWrapperWorld&);
inline JSDOMWindow* toJSDOMWindow(LocalFrame* frame, DOMWrapperWorld& world) { return frame ? toJSDOMWindow(*frame, world) : nullptr; }
// LocalDOMWindow associated with global object of the "most-recently-entered author function or script
// on the stack, or the author function or script that originally scheduled the currently-running callback."
// (<https://html.spec.whatwg.org/multipage/webappapis.html#concept-incumbent-everything>, 27 April 2017)
// FIXME: Make this work for an "author function or script that originally scheduled the currently-running callback."
// See <https://bugs.webkit.org/show_bug.cgi?id=163412>.
LocalDOMWindow& incumbentDOMWindow(JSC::JSGlobalObject&, JSC::CallFrame&);
LocalDOMWindow& incumbentDOMWindow(JSC::JSGlobalObject&);
LocalDOMWindow& activeDOMWindow(JSC::JSGlobalObject&);
LocalDOMWindow& firstDOMWindow(JSC::JSGlobalObject&);
LocalDOMWindow& legacyActiveDOMWindowForAccessor(JSC::JSGlobalObject&, JSC::CallFrame&);
LocalDOMWindow& legacyActiveDOMWindowForAccessor(JSC::JSGlobalObject&);
} // namespace WebCore
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