1 /* 2 * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 27 #ifndef _DEVICES_H_ 28 #define _DEVICES_H_ 29 30 #include "awt.h" 31 #include "awt_Toolkit.h" 32 #include "awt_Win32GraphicsDevice.h" 33 34 class AwtWin32GraphicsDevice; 35 36 class Devices { 37 38 public: 39 static Devices* GetInstance(); 40 static BOOL UpdateInstance(JNIEnv *env); GetNumDevices()41 int GetNumDevices() { return numDevices; } 42 AwtWin32GraphicsDevice* GetDeviceReference(int index, BOOL adjust = TRUE); 43 AwtWin32GraphicsDevice* GetDevice(int index, BOOL adjust = TRUE); 44 int Release(); 45 AwtWin32GraphicsDevice** GetRawArray(); 46 47 class InstanceAccess { 48 public: InstanceAccess()49 INLINE InstanceAccess() { devices = Devices::GetInstance(); } ~InstanceAccess()50 INLINE ~InstanceAccess() { devices->Release(); } 51 Devices* operator->() { return devices; } 52 private: 53 Devices* devices; 54 // prevent bad things like copying or getting address of 55 InstanceAccess& operator=(const InstanceAccess&); 56 InstanceAccess* operator&(); 57 }; 58 friend class InstanceAccess; 59 60 private: 61 Devices(int numElements); 62 void AddReference(); 63 64 AwtWin32GraphicsDevice** devices; 65 int refCount; 66 int numDevices; 67 68 static Devices* theInstance; 69 static CriticalSection arrayLock; 70 71 }; 72 73 // Some helper functions (from awt_MMStub.h/cpp) 74 75 BOOL WINAPI MonitorBounds (HMONITOR, RECT*); 76 77 #endif _DEVICES_H_ 78