IndexedDB Observers

third_party/WebKit/Source/bindings/modules/v8/V8IDBObserverCallback.h

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef V8IDBObserverCallback_h
+#define V8IDBObserverCallback_h
+
+#include "bindings/core/v8/ActiveDOMCallback.h"
+#include "bindings/core/v8/DOMWrapperWorld.h"
+#include "bindings/core/v8/ScopedPersistent.h"
+#include "core/CoreExport.h"
+#include "modules/indexeddb/IDBObserverCallback.h"
+
+namespace blink {
+
+class V8IDBObserverCallback final : public IDBObserverCallback, public ActiveDOMCallback {
+    USING_GARBAGE_COLLECTED_MIXIN(V8IDBObserverCallback);
+
+public:
+    V8IDBObserverCallback(v8::Local<v8::Function>, v8::Local<v8::Object>, ScriptState*);
+    ~V8IDBObserverCallback() override;
+
+    DECLARE_VIRTUAL_TRACE();
+
+    ExecutionContext* getExecutionContext() const override { return ContextLifecycleObserver::getExecutionContext(); }
+private:
+    static void setWeakCallback(const v8::WeakCallbackInfo<V8IDBObserverCallback>&);
+
+    ScopedPersistent<v8::Function> m_callback;
+    RefPtr<ScriptState> m_scriptState;
+};
+
+} // namespace blink
+#endif // V8IDBObserverCallback_h