WIP don't review: Implement Future

Source/core/dom/FutureResolver.cpp

+/*
+ * Copyright (C) 2013 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 "core/dom/FutureResolver.h"
+
+#include "V8Future.h"
+
+#include "bindings/v8/ScriptController.h"
+#include "bindings/v8/ScriptValue.h"
+// #include "bindings/v8/SerializedScriptValue.h"
+#include "bindings/v8/V8Utilities.h"
+// #include "core/dom/CrossThreadTask.h"
+#include "core/platform/Logging.h"
+
+#include <v8.h>
+
+namespace WebCore {
+
+PassRefPtr<FutureResolver> FutureResolver::create(PassRefPtr<Future> future)
+{
+    return adoptRef(new FutureResolver(future));
+}
+
+FutureResolver::FutureResolver(PassRefPtr<Future> future)
+    : m_future(future)
+    , m_resolved(false)
+{
+}
+
+FutureResolver::~FutureResolver()
+{
+    LOG(Network, "FutureResolver dtor");
+}
+
+void FutureResolver::acceptInternal(const ScriptValue& value, bool synchronous)
+{
+    LOG(Network, "FutureResolver::acceptInternal start");
+
+    if (m_resolved)
+        return;
+
+    LOG(Network, "FutureResolver::acceptInternal");
+
+    m_future->setState(Future::Accepted);
+    m_future->setResult(value);
+
+    LOG(Network, "FutureResolver::call back to future %d", synchronous);
+
+    m_resolved = true;
+
+    if (synchronous)
+        m_future->processAcceptCallbacks(value);
+    else
+        m_future->queueProcessAcceptCallbacksTask(value);
+}
+
+void FutureResolver::accept(const ScriptValue& value)
+{
+    acceptInternal(value, false);
+}
+
+void FutureResolver::accept()
+{
+    acceptInternal(ScriptValue(), false);
+}
+
+void FutureResolver::rejectInternal(const ScriptValue& value, bool synchronous)
+{
+    LOG(Network, "FutureResolver::rejectInternal");
+
+    if (m_resolved)
+        return;
+
+    m_future->setState(Future::Rejected);
+    m_future->setResult(value);
+
+    m_resolved = true;
+
+    if (synchronous)
+        m_future->processRejectCallbacks(value);
+    else
+        m_future->queueProcessRejectCallbacksTask(value);
+}
+
+void FutureResolver::reject(const ScriptValue& value)
+{
+    rejectInternal(value, false);
+}
+
+void FutureResolver::reject()
+{
+    rejectInternal(ScriptValue(), false);
+}
+
+} // namespace WebCore