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/*
* Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
* Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
* Copyright (C) 2010-2011 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 "InjectedScriptManager.h"
#if ENABLE(INSPECTOR)
#include "ExceptionCode.h"
#include "InjectedScript.h"
#include "JSDOMWindow.h"
#include "JSDOMWindowCustom.h"
#include "JSInjectedScriptHost.h"
#include "JSMainThreadExecState.h"
#include <parser/SourceCode.h>
#include <runtime/JSLock.h>
using namespace JSC;
namespace WebCore {
ScriptObject InjectedScriptManager::createInjectedScript(const String& source, ScriptState* scriptState, long id)
{
SourceCode sourceCode = makeSource(stringToUString(source));
JSLock lock(SilenceAssertionsOnly);
JSDOMGlobalObject* globalObject = static_cast<JSDOMGlobalObject*>(scriptState->lexicalGlobalObject());
JSValue globalThisValue = scriptState->globalThisValue();
Completion comp = JSMainThreadExecState::evaluate(scriptState, globalObject->globalScopeChain(), sourceCode, globalThisValue);
if (comp.complType() != JSC::Normal && comp.complType() != JSC::ReturnValue)
return ScriptObject();
JSValue functionValue = comp.value();
CallData callData;
CallType callType = getCallData(functionValue, callData);
if (callType == CallTypeNone)
return ScriptObject();
MarkedArgumentBuffer args;
args.append(toJS(scriptState, globalObject, m_injectedScriptHost.get()));
args.append(globalThisValue);
args.append(jsNumber(id));
JSValue result = JSC::call(scriptState, functionValue, callType, callData, globalThisValue, args);
if (result.isObject())
return ScriptObject(scriptState, result.getObject());
return ScriptObject();
}
void InjectedScriptManager::discardInjectedScript(ScriptState* scriptState)
{
JSDOMGlobalObject* globalObject = static_cast<JSDOMGlobalObject*>(scriptState->lexicalGlobalObject());
globalObject->setInjectedScript(0);
}
InjectedScript InjectedScriptManager::injectedScriptFor(ScriptState* scriptState)
{
JSLock lock(SilenceAssertionsOnly);
JSDOMGlobalObject* globalObject = static_cast<JSDOMGlobalObject*>(scriptState->lexicalGlobalObject());
JSObject* injectedScript = globalObject->injectedScript();
if (injectedScript)
return InjectedScript(ScriptObject(scriptState, injectedScript));
if (!canAccessInspectedWindow(scriptState))
return InjectedScript();
pair<long, ScriptObject> injectedScriptObject = injectScript(injectedScriptSource(), scriptState);
globalObject->setInjectedScript(injectedScriptObject.second.jsObject());
InjectedScript result(injectedScriptObject.second);
m_idToInjectedScript.set(injectedScriptObject.first, result);
return result;
}
bool InjectedScriptManager::canAccessInspectedWindow(ScriptState* scriptState)
{
JSLock lock(SilenceAssertionsOnly);
JSDOMWindow* inspectedWindow = toJSDOMWindow(scriptState->lexicalGlobalObject());
if (!inspectedWindow)
return false;
return inspectedWindow->allowsAccessFromNoErrorMessage(scriptState);
}
} // namespace WebCore
#endif // ENABLE(INSPECTOR)
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