Source/modules/webdatabase/DatabaseClient.h

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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#ifndef DatabaseClient_h
#define DatabaseClient_h

#include "core/workers/WorkerClients.h"
#include "platform/heap/Handle.h"
#include "wtf/Forward.h"

namespace blink {

class Database;
class ExecutionContext;
class InspectorDatabaseAgent;
class Page;
class WorkerClients;

class DatabaseClient : public WillBeHeapSupplement<Page>, public WillBeHeapSupplement<WorkerClients> {
    WTF_MAKE_NONCOPYABLE(DatabaseClient);
public:
    DatabaseClient();
    virtual ~DatabaseClient() { }

    virtual bool allowDatabase(ExecutionContext*, const String& name, const String& displayName, unsigned long estimatedSize) = 0;

    void didOpenDatabase(PassRefPtrWillBeRawPtr<Database>, const String& domain, const String& name, const String& version);

    static DatabaseClient* from(ExecutionContext*);
    static const char* supplementName();

    void createInspectorAgentFor(Page*);

    virtual void trace(Visitor* visitor) OVERRIDE
    {
        WillBeHeapSupplement<Page>::trace(visitor);
        WillBeHeapSupplement<WorkerClients>::trace(visitor);
    }

private:
    InspectorDatabaseAgent* m_inspectorAgent;
};

void provideDatabaseClientTo(Page&, PassOwnPtrWillBeRawPtr<DatabaseClient>);
void provideDatabaseClientToWorker(WorkerClients*, PassOwnPtrWillBeRawPtr<DatabaseClient>);

} // namespace blink

#endif // DatabaseClient_h