Things to unfork.

Source/WebCore/bindings/dart/DartCallback.cpp

-/*
- * Copyright (C) 2006-2011 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 "DartCallback.h"
-
-#include "DartController.h"
-
-namespace WebCore {
-
-DartCallback::DartCallback(Dart_Handle object, Dart_Handle& exception)
-{
-    if (!Dart_IsClosure(object)) {
-        exception = Dart_NewString("Callback must be a function");
-         m_isolate = 0;
-         m_callback = 0;
-         return;
-    }
-    m_isolate = Dart_CurrentIsolate();
-    m_callback = Dart_NewPersistentHandle(object);
-}
-
-DartCallback::~DartCallback()
-{
-    // FIXME: delete the handle when we have proper GC semantics for isolate destruction.
-    // Dart_DeletePersistentHandle(m_callback);
-}
-
-bool DartCallback::handleEventInternal(Dart_Handle* argv, int argc)
-{
-    ASSERT(m_isolate && m_callback);
-
-    ScriptExecutionContext* context = DartUtilities::isolateContext(m_isolate);
-    DartController* dartController = DartController::retrieve(context);
-
-    Dart_Handle result = dartController->callFunction(m_callback, argc, argv);
-    if (Dart_IsError(result)) {
-        DartUtilities::reportProblem(context, result);
-        return false;
-    }
-
-    Dart_Handle exception = 0;
-    bool returnValue = DartUtilities::toBool(result, exception);
-    if (exception)
-        return false;
-    return returnValue;
-}
-
-}