/*
 * Copyright (C) 2007, 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. 
 * 3.  Neither the name of Apple Inc. ("Apple") 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 APPLE 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 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
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef WebKitStatistics_h
#define WebKitStatistics_h

#include "WebKit.h"

class WebKitStatistics final : public IWebKitStatistics {
public:
    static WebKitStatistics* createInstance();
protected:
    WebKitStatistics();
    ~WebKitStatistics();

public:
    // IUnknown
    virtual HRESULT STDMETHODCALLTYPE QueryInterface(_In_ REFIID riid, _COM_Outptr_ void** ppvObject);
    virtual ULONG STDMETHODCALLTYPE AddRef();
    virtual ULONG STDMETHODCALLTYPE Release();

    // IWebKitStatistics
    virtual HRESULT STDMETHODCALLTYPE webViewCount(_Out_ int*);
    virtual HRESULT STDMETHODCALLTYPE frameCount(_Out_ int*);
    virtual HRESULT STDMETHODCALLTYPE dataSourceCount(_Out_ int*);
    virtual HRESULT STDMETHODCALLTYPE viewCount(_Out_ int*);
    virtual HRESULT STDMETHODCALLTYPE HTMLRepresentationCount(_Out_ int*);
    virtual HRESULT STDMETHODCALLTYPE comClassCount(_Out_ int*);
    virtual HRESULT STDMETHODCALLTYPE comClassNameCounts(__deref_out_opt BSTR*);

protected:
    ULONG m_refCount { 0 };
};

#endif // WebKitStatistics_h