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/* Copyright (c) 2012 Tobias Wolf, All Rights Reserved
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 */
package com.sun.jna.platform.win32.COM;

import com.sun.jna.WString;
import com.sun.jna.platform.win32.Guid.CLSID;
import com.sun.jna.platform.win32.Guid.IID;
import com.sun.jna.platform.win32.Guid.REFIID;
import com.sun.jna.platform.win32.OaIdl.DISPID;
import com.sun.jna.platform.win32.OaIdl.DISPIDByReference;
import com.sun.jna.platform.win32.OaIdl.EXCEPINFO;
import com.sun.jna.platform.win32.OleAuto;
import com.sun.jna.platform.win32.OleAuto.DISPPARAMS;
import com.sun.jna.platform.win32.Variant.VARIANT;
import com.sun.jna.platform.win32.Variant.VARIANT.ByReference;
import com.sun.jna.platform.win32.WinDef.LCID;
import com.sun.jna.platform.win32.WinDef.UINT;
import com.sun.jna.platform.win32.WinDef.UINTByReference;
import com.sun.jna.platform.win32.WinDef.WORD;
import com.sun.jna.platform.win32.WinNT.HRESULT;
import com.sun.jna.ptr.IntByReference;
import com.sun.jna.ptr.PointerByReference;

// TODO: Auto-generated Javadoc
/**
 * Helper class to provide basic COM support.
 * 
 * @author Tobias Wolf, [email protected]
 */
public class COMEarlyBindingObject extends COMBindingBaseObject implements
        IDispatch {

    public COMEarlyBindingObject(CLSID clsid, boolean useActiveInstance,
            int dwClsContext) {
        super(clsid, useActiveInstance, dwClsContext);
    }

    protected String getStringProperty(DISPID dispId) {
        VARIANT.ByReference result = new VARIANT.ByReference();
        this.oleMethod(OleAuto.DISPATCH_PROPERTYGET, result,
                this.getIDispatch(), dispId);

        return result.getValue().toString();
    }

    protected void setProperty(DISPID dispId, boolean value) {
        this.oleMethod(OleAuto.DISPATCH_PROPERTYPUT, null, this.getIDispatch(),
                dispId, new VARIANT(value));
    }

    @Override
    public HRESULT QueryInterface(REFIID.ByValue riid, PointerByReference ppvObject) {
        return this.getIDispatch().QueryInterface(riid, ppvObject);
    }

    @Override
    public int AddRef() {
        return this.getIDispatch().AddRef();
    }

    @Override
    public int Release() {
        return this.getIDispatch().Release();
    }

    @Override
    public HRESULT GetTypeInfoCount(UINTByReference pctinfo) {
        return this.getIDispatch().GetTypeInfoCount(pctinfo);
    }

    @Override
    public HRESULT GetTypeInfo(UINT iTInfo, LCID lcid,
            PointerByReference ppTInfo) {
        return this.getIDispatch().GetTypeInfo(iTInfo, lcid, ppTInfo);
    }

    @Override
    public HRESULT GetIDsOfNames(REFIID.ByValue riid, WString[] rgszNames, int cNames,
            LCID lcid, DISPIDByReference rgDispId) {
        return this.getIDispatch().GetIDsOfNames(riid, rgszNames, cNames, lcid,
                rgDispId);
    }

    @Override
    public HRESULT Invoke(DISPID dispIdMember, REFIID.ByValue riid, LCID lcid,
            WORD wFlags, DISPPARAMS.ByReference pDispParams,
            VARIANT.ByReference pVarResult, EXCEPINFO.ByReference pExcepInfo,
            IntByReference puArgErr) {
        return this.getIDispatch().Invoke(dispIdMember, riid, lcid, wFlags,
                pDispParams, pVarResult, pExcepInfo, puArgErr);
    }
}