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/* Copyright (c) 2014 Dr David H. Akehurst (itemis), All Rights Reserved
 *
 * The contents of this file is dual-licensed under 2
 * alternative Open Source/Free licenses: LGPL 2.1 or later and
 * Apache License 2.0. (starting with JNA version 4.0.0).
 *
 * You can freely decide which license you want to apply to
 * the project.
 *
 * You may obtain a copy of the LGPL License at:
 *
 * http://www.gnu.org/licenses/licenses.html
 *
 * A copy is also included in the downloadable source code package
 * containing JNA, in file "LGPL2.1".
 *
 * You may obtain a copy of the Apache License at:
 *
 * http://www.apache.org/licenses/
 *
 * A copy is also included in the downloadable source code package
 * containing JNA, in file "AL2.0".
 */
package com.sun.jna.platform.win32.COM;

import com.sun.jna.Pointer;
import com.sun.jna.platform.win32.Guid.IID;
import com.sun.jna.platform.win32.WinBase.FILETIME;
import com.sun.jna.platform.win32.WinDef.DWORD;
import com.sun.jna.platform.win32.WinDef.DWORDByReference;
import com.sun.jna.platform.win32.WinNT.HRESULT;
import com.sun.jna.ptr.PointerByReference;

/**
 * Manages access to the running object table (ROT), a globally accessible
 * look-up table on each workstation.
 *
 * @see MSDN
 *
 */
public interface IRunningObjectTable extends IUnknown {

    public final static IID IID = new IID("{00000010-0000-0000-C000-000000000046}");

    /**
     * Creates and returns a pointer to an enumerator that can list the monikers
     * of all the objects currently registered in the running object table
     * (ROT).
     *
     * {@code
     *    HRESULT EnumRunning(
     *      [out] IEnumMoniker **ppenumMoniker
     *    );
     * }
     *
     * @see MSDN
     *
     */
    HRESULT EnumRunning(PointerByReference ppenumMoniker);

    /**
     *
     * Determines whether the object identified by the specified moniker is
     * running, and if it is, retrieves a pointer to that object.
     *
     * {@code
     *   HRESULT GetObject(
     *     [in] IMoniker *pmkObjectName,
     *     [out] IUnknown **ppunkObject
     *   );
     * }
     *
     * @see MSDN
     *
     */
    HRESULT GetObject(Pointer pmkObjectName, PointerByReference ppunkObject);

    /**
     * Retrieves the time that an object was last modified.
     *
     * {@code
     *   HRESULT GetTimeOfLastChange(
     *     [in]   IMoniker *pmkObjectName,
     *     [out]  FILETIME *pfiletime
     *   );
     * }
     *
     * @see MSDN
     *
     */
    HRESULT GetTimeOfLastChange(Pointer pmkObjectName, FILETIME.ByReference pfiletime);

    /**
     * Determines whether the object identified by the specified moniker is
     * currently running.
     *
     * {@code
     *   HRESULT IsRunning(
     *     [in]  IMoniker *pmkObjectName
     *   );
     * }
     *
     * @see MSDN
     *
     */
    HRESULT IsRunning(Pointer pmkObjectName);

    /**
     * Records the time that a running object was last modified.
     *
     * {@code
     *   HRESULT NoteChangeTime(
     *     [in]  DWORD dwRegister,
     *     [in]  FILETIME *pfiletime
     *   );
     * }
     *
     * @see MSDN
     *
     */
    HRESULT NoteChangeTime(DWORD dwRegister, FILETIME pfiletime);

    /**
     * Registers an object and its identifying moniker in the running object
     * table (ROT).
     *
     * {@code
     *   HRESULT Register(
     *     [in]   DWORD grfFlags,
     *     [in]   IUnknown *punkObject,
     *     [in]   IMoniker *pmkObjectName,
     *     [out]  DWORD *pdwRegister
     *   );
     * }
     *
     * @see MSDN
     *
     */
    HRESULT Register(DWORD grfFlags, Pointer punkObject, Pointer pmkObjectName, DWORDByReference pdwRegister);

    /**
     * Removes an entry from the running object table (ROT) that was previously
     * registered by a call to IRunningObjectTable.Register.
     *
     * {@code
     *   HRESULT Revoke(
     *     [in]  DWORD dwRegister
     *   );
     * }
     *
     * @see MSDN
     *
     */
    HRESULT Revoke(DWORD dwRegister);
}