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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 "BindingState.h"
#include "DOMWindow.h"
#include "Frame.h"
#include "ScriptController.h"
#include "V8Binding.h"
#include <wtf/StdLibExtras.h>
namespace WebCore {
BindingState* BindingState::instance()
{
DEFINE_STATIC_LOCAL(BindingState, bindingStateForV8, ());
return &bindingStateForV8;
}
static v8::Handle<v8::Context> activeContext()
{
v8::Handle<v8::Context> context = v8::Context::GetCalling();
if (!context.IsEmpty())
return context;
// Unfortunately, when processing script from a plug-in, we might not
// have a calling context. In those cases, we fall back to the
// entered context.
return v8::Context::GetEntered();
}
DOMWindow* activeDOMWindow(BindingState*)
{
return toDOMWindow(activeContext());
}
DOMWindow* firstDOMWindow(BindingState*)
{
return toDOMWindow(v8::Context::GetEntered());
}
Document* currentDocument(BindingState*)
{
return toDOMWindow(v8::Context::GetCurrent())->document();
}
void printErrorMessageForFrame(Frame* frame, const String& message)
{
if (!frame)
return;
frame->document()->domWindow()->printErrorMessage(message);
}
}
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