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/*
* Copyright (C) 2009, 2011 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "ScriptState.h"
#include "Document.h"
#include "Frame.h"
#include "JSDOMWindowBase.h"
#include "JSWorkerGlobalScope.h"
#include "JSWorkletGlobalScope.h"
#include "Node.h"
#include "Page.h"
#include "ScriptController.h"
#include "WorkerGlobalScope.h"
#include "WorkerScriptController.h"
#include "WorkletGlobalScope.h"
#include "WorkletScriptController.h"
#include <JavaScriptCore/CallFrame.h>
#include <JavaScriptCore/JSGlobalObject.h>
#include <JavaScriptCore/StrongInlines.h>
namespace WebCore {
DOMWindow* domWindowFromExecState(JSC::ExecState* scriptState)
{
JSC::JSGlobalObject* globalObject = scriptState->lexicalGlobalObject();
JSC::VM& vm = globalObject->vm();
if (!globalObject->inherits<JSDOMWindowBase>(vm))
return nullptr;
return &JSC::jsCast<JSDOMWindowBase*>(globalObject)->wrapped();
}
Frame* frameFromExecState(JSC::ExecState* scriptState)
{
ScriptExecutionContext* context = scriptExecutionContextFromExecState(scriptState);
Document* document = is<Document>(context) ? downcast<Document>(context) : nullptr;
return document ? document->frame() : nullptr;
}
ScriptExecutionContext* scriptExecutionContextFromExecState(JSC::ExecState* scriptState)
{
JSC::JSGlobalObject* globalObject = scriptState->lexicalGlobalObject();
JSC::VM& vm = globalObject->vm();
if (!globalObject->inherits<JSDOMGlobalObject>(vm))
return nullptr;
return JSC::jsCast<JSDOMGlobalObject*>(globalObject)->scriptExecutionContext();
}
JSC::ExecState* mainWorldExecState(Frame* frame)
{
if (!frame)
return nullptr;
return frame->windowProxy().jsWindowProxy(mainThreadNormalWorld())->window()->globalExec();
}
JSC::ExecState* execStateFromNode(DOMWrapperWorld& world, Node* node)
{
if (!node)
return nullptr;
Frame* frame = node->document().frame();
if (!frame)
return nullptr;
if (!frame->script().canExecuteScripts(NotAboutToExecuteScript))
return nullptr;
return frame->script().globalObject(world)->globalExec();
}
JSC::ExecState* execStateFromPage(DOMWrapperWorld& world, Page* page)
{
return page ? page->mainFrame().script().globalObject(world)->globalExec() : nullptr;
}
JSC::ExecState* execStateFromWorkerGlobalScope(WorkerGlobalScope& workerGlobalScope)
{
return workerGlobalScope.script()->workerGlobalScopeWrapper()->globalExec();
}
#if ENABLE(CSS_PAINTING_API)
JSC::ExecState* execStateFromWorkletGlobalScope(WorkletGlobalScope& workletGlobalScope)
{
if (!workletGlobalScope.script())
return nullptr;
return workletGlobalScope.script()->workletGlobalScopeWrapper()->globalExec();
}
#endif
}