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/*
* Copyright (C) 2009 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 "WorldContextHandle.h"
#include "ScriptController.h"
#include "V8Binding.h"
#include "V8DOMWindow.h"
#include "V8DedicatedWorkerContext.h"
#include "V8SharedWorkerContext.h"
namespace WebCore {
WorldContextHandle::WorldContextHandle(WorldToUse worldToUse)
: m_worldToUse(worldToUse)
{
ASSERT(worldToUse != UseWorkerWorld);
if (worldToUse == UseMainWorld || worldToUse == UseWorkerWorld)
return;
if (!v8::Context::InContext())
CRASH();
v8::Handle<v8::Context> context = v8::Context::GetCurrent();
#if ENABLE(WORKERS)
if (UNLIKELY(!V8DOMWrapper::isWrapperOfType(toInnerGlobalObject(context), &V8DOMWindow::info))) {
#if ENABLE(SHARED_WORKERS)
ASSERT(V8DOMWrapper::isWrapperOfType(toInnerGlobalObject(context)->GetPrototype(), &V8DedicatedWorkerContext::info) || V8DOMWrapper::isWrapperOfType(toInnerGlobalObject(context)->GetPrototype(), &V8SharedWorkerContext::info));
#else
ASSERT(V8DOMWrapper::isWrapperOfType(toInnerGlobalObject(context)->GetPrototype(), &V8DedicatedWorkerContext::info));
#endif
m_worldToUse = UseWorkerWorld;
return;
}
#endif
if (DOMWrapperWorld::isolated(context)) {
m_context = SharedPersistent<v8::Context>::create(context);
return;
}
m_worldToUse = UseMainWorld;
}
v8::Local<v8::Context> WorldContextHandle::adjustedContext(ScriptController* script) const
{
ASSERT(m_worldToUse != UseWorkerWorld);
if (m_worldToUse == UseMainWorld)
return script->mainWorldContext();
ASSERT(!m_context->get().IsEmpty());
return v8::Local<v8::Context>::New(m_context->get());
}
} // namespace WebCore
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