webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 78 insertions, 0 deletions

diff --git a/Source/WebCore/Modules/indexeddb/server/ServerOpenDBRequest.h b/Source/WebCore/Modules/indexeddb/server/ServerOpenDBRequest.h
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+++ b/Source/WebCore/Modules/indexeddb/server/ServerOpenDBRequest.h
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+/*
+ * Copyright (C) 2015 Apple 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:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
+ */
+
+#pragma once
+
+#if ENABLE(INDEXED_DATABASE)
+
+#include "IDBConnectionToClient.h"
+#include "IDBRequestData.h"
+#include <wtf/HashSet.h>
+#include <wtf/Ref.h>
+#include <wtf/RefCounted.h>
+
+namespace WebCore {
+
+class IDBDatabaseInfo;
+
+namespace IDBServer {
+
+class ServerOpenDBRequest : public RefCounted<ServerOpenDBRequest> {
+public:
+    static Ref<ServerOpenDBRequest> create(IDBConnectionToClient&, const IDBRequestData&);
+
+    IDBConnectionToClient& connection() { return m_connection; }
+    const IDBRequestData& requestData() const { return m_requestData; }
+
+    bool isOpenRequest() const;
+    bool isDeleteRequest() const;
+
+    void maybeNotifyRequestBlocked(uint64_t currentVersion);
+    void notifyDidDeleteDatabase(const IDBDatabaseInfo&);
+
+    uint64_t versionChangeID() const;
+
+    void notifiedConnectionsOfVersionChange(HashSet<uint64_t>&& connectionIdentifiers);
+    void connectionClosedOrFiredVersionChangeEvent(uint64_t connectionIdentifier);
+    bool hasConnectionsPendingVersionChangeEvent() const { return !m_connectionsPendingVersionChangeEvent.isEmpty(); }
+    bool hasNotifiedConnectionsOfVersionChange() const { return m_notifiedConnectionsOfVersionChange; }
+
+
+private:
+    ServerOpenDBRequest(IDBConnectionToClient&, const IDBRequestData&);
+
+    IDBConnectionToClient& m_connection;
+    IDBRequestData m_requestData;
+
+    bool m_notifiedBlocked { false };
+
+    bool m_notifiedConnectionsOfVersionChange { false };
+    HashSet<uint64_t> m_connectionsPendingVersionChangeEvent;
+};
+
+} // namespace IDBServer
+} // namespace WebCore
+
+#endif // ENABLE(INDEXED_DATABASE)