IndexedDB Observers

third_party/WebKit/Source/modules/indexeddb/IDBObserverChanges.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 IDBObserverChanges_h
+#define IDBObserverChanges_h
+
+#include "bindings/core/v8/ScriptValue.h"
+#include "bindings/core/v8/ScriptWrappable.h"
+#include "modules/indexeddb/IDBDatabase.h"
+#include "modules/indexeddb/IDBTransaction.h"
+#include "platform/heap/Handle.h"
+
+namespace blink {
+
+class ScriptState;
+class IDBDatabase;
+class IDBTransaction;
+class IDBObserverChangesRecord;
+
+class IDBObserverChanges final : public GarbageCollectedFinalized<IDBObserverChanges>, public ScriptWrappable {
+    DEFINE_WRAPPERTYPEINFO();
+
+public:
+    static IDBObserverChanges* create(IDBDatabase*, IDBTransaction*, IDBAny*);
+    virtual ~IDBObserverChanges();
+
+    DECLARE_TRACE();
+
+    // Implement IDL
+    IDBTransaction* transaction() const { return m_transaction.get(); }
+    IDBDatabase* database() const { return m_database.get(); }
+    ScriptValue records(ScriptState*);
+
+private:
+    IDBObserverChanges(IDBDatabase*, IDBTransaction*, IDBAny*);
+
+    Member<IDBDatabase> m_database;
+    Member<IDBTransaction> m_transaction;
+    // TODO(palakj) : change to appropriate type Map<String, sequence<IDBObserverChangesRecord>>.
+    Member<IDBAny> m_records;
+};
+
+} // namespace blink
+
+#endif // IDBObserverChanges_h
+