/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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 General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

#ifndef _DEVICES_H_

#define _DEVICES_H_

#include "awt.h"

#include "awt_Toolkit.h"

#include "awt_Win32GraphicsDevice.h"

class AwtWin32GraphicsDevice;

class Devices {

public:

static BOOL                     UpdateInstance(JNIEnv *env);

       int                      GetNumDevices() { return numDevices; }

       AwtWin32GraphicsDevice*  GetDeviceReference(int index, BOOL adjust = TRUE);

       AwtWin32GraphicsDevice*  GetDevice(int index, BOOL adjust = TRUE);

       int                      Release();

       AwtWin32GraphicsDevice** GetRawArray();

       class InstanceAccess {

       public:

           INLINE   InstanceAccess() { devices = Devices::GetInstance(); }

           INLINE  ~InstanceAccess() { devices->Release(); }

           Devices* operator->()     { return devices; }

        private:

           Devices* devices;

           // prevent bad things like copying or getting address of

           InstanceAccess& operator=(const InstanceAccess&);

           InstanceAccess* operator&();

       };

friend class InstanceAccess;

private:

                                Devices(int numElements);

       void                     AddReference();

static Devices*                 GetInstance();

       AwtWin32GraphicsDevice** devices;

       int                      refCount;

       int                      numDevices;

static Devices*                 theInstance;

static CriticalSection          arrayLock;

};

// Some helper functions (from awt_MMStub.h/cpp)

BOOL WINAPI MonitorBounds (HMONITOR, RECT*);

#endif _DEVICES_H_