mirror of https://github.com/sipwise/jitsi.git
Ingo Bauersachs
10 years ago
parent
7f08c0d239
commit
5c24dad320
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/*
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* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
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*
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* Copyright 2000-2016 JetBrains s.r.o.
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* Copyright @ 2015 Atlassian Pty Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/package net.java.sip.communicator.impl.osdependent.windows;
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import java.awt.image.*;
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import java.nio.*;
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import com.sun.jna.*;
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import com.sun.jna.platform.win32.*;
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import com.sun.jna.platform.win32.WinDef.*;
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/**
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* Image conversion utilities.
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*
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* Parts of this code are based on AppIcon.java from IntelliJ community.
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* Licensed under Apache 2.0, Copyright 2000-2016 JetBrains s.r.o.
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*/
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public class ImageConverter
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{
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/**
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* Converts the <tt>BufferedImage</tt> to an ICONDIR structure.
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* @param src The source image to convert
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* @return an ICONDIR structure with the data of the passed source image
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*/
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public static byte[] writeTransparentIcoImage(BufferedImage src)
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{
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int bitCount = 32;
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int scanline_size = (bitCount * src.getWidth() + 7) / 8;
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if ((scanline_size % 4) != 0)
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scanline_size += 4 - (scanline_size % 4); // pad scanline to 4 byte
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// size.
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int t_scanline_size = (src.getWidth() + 7) / 8;
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if ((t_scanline_size % 4) != 0)
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t_scanline_size += 4 - (t_scanline_size % 4); // pad scanline to 4
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// byte size.
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int imageSize = 40 + src.getHeight() * scanline_size
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+ src.getHeight() * t_scanline_size;
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// sizeof(ICONDIR)
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// + sizeof(ICONDIRENTRY)
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// + (sizeof(BITMAPINFOHEADER)+data)
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ByteBuffer bos = ByteBuffer.allocate(6 + 16 + imageSize);
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bos.order(ByteOrder.LITTLE_ENDIAN);
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// ICONDIR
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bos.putShort((short) 0); // reserved
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bos.putShort((short) 1); // 1=ICO, 2=CUR
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bos.putShort((short) 1); // count
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// ICONDIRENTRY
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int iconDirEntryWidth = src.getWidth();
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int iconDirEntryHeight = src.getHeight();
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if (iconDirEntryWidth > 255 || iconDirEntryHeight > 255)
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{
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iconDirEntryWidth = 0;
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iconDirEntryHeight = 0;
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}
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bos.put((byte) iconDirEntryWidth);
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bos.put((byte) iconDirEntryHeight);
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bos.put((byte) 0);
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bos.put((byte) 0); // reserved
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bos.putShort((short) 1); // color planes
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bos.putShort((short) bitCount);
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bos.putInt(imageSize);
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bos.putInt(22); // image offset
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// BITMAPINFOHEADER
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bos.putInt(40); // size
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bos.putInt(src.getWidth());
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bos.putInt(2 * src.getHeight());
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bos.putShort((short) 1); // planes
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bos.putShort((short) bitCount);
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bos.putInt(0); // compression
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bos.putInt(0); // image size
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bos.putInt(0); // x pixels per meter
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bos.putInt(0); // y pixels per meter
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bos.putInt(0); // colors used, 0 = (1 << bitCount) (ignored)
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bos.putInt(0); // colors important
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int bit_cache = 0;
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int bits_in_cache = 0;
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int row_padding = scanline_size - (bitCount * src.getWidth() + 7) / 8;
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for (int y = src.getHeight() - 1; y >= 0; y--)
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{
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for (int x = 0; x < src.getWidth(); x++)
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{
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int argb = src.getRGB(x, y);
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bos.put((byte) (0xff & argb));
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bos.put((byte) (0xff & (argb >> 8)));
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bos.put((byte) (0xff & (argb >> 16)));
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bos.put((byte) (0xff & (argb >> 24)));
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}
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for (int x = 0; x < row_padding; x++)
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bos.put((byte) 0);
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}
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int t_row_padding = t_scanline_size - (src.getWidth() + 7) / 8;
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for (int y = src.getHeight() - 1; y >= 0; y--)
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{
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for (int x = 0; x < src.getWidth(); x++)
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{
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int argb = src.getRGB(x, y);
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int alpha = 0xff & (argb >> 24);
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bit_cache <<= 1;
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if (alpha == 0)
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bit_cache |= 1;
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bits_in_cache++;
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if (bits_in_cache >= 8)
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{
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bos.put((byte) (0xff & bit_cache));
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bit_cache = 0;
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bits_in_cache = 0;
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}
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}
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if (bits_in_cache > 0)
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{
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bit_cache <<= (8 - bits_in_cache);
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bos.put((byte) (0xff & bit_cache));
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bit_cache = 0;
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bits_in_cache = 0;
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}
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for (int x = 0; x < t_row_padding; x++)
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bos.put((byte) 0);
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}
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byte[] result = new byte[bos.position()];
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System.arraycopy(bos.array(), 0, result, 0, bos.position());
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return result;
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}
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/**
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* Converts an ICONDIR ico to an HICON handle
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* @param ico the image data
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* @return A Windows HICON handle
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*/
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public static HICON createIcon(byte[] ico)
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{
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Memory buffer = new Memory(ico.length);
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buffer.write(0, ico, 0, ico.length);
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int nSize = 100;
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int offset = User32Ex.INSTANCE.LookupIconIdFromDirectoryEx(buffer, true,
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nSize, nSize, 0);
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if (offset != 0)
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{
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return User32Ex.INSTANCE.CreateIconFromResourceEx(
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buffer.share(offset), new WinDef.DWORD(0), true,
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new WinDef.DWORD(0x00030000), nSize, nSize, 0);
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}
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return null;
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}
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}
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@ -0,0 +1,150 @@
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/*
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* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
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*
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* Copyright @ 2015 Atlassian Pty Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.java.sip.communicator.impl.osdependent.windows;
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import java.awt.*;
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import java.awt.image.*;
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import org.jitsi.util.*;
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import com.sun.jna.*;
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import com.sun.jna.platform.win32.*;
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import com.sun.jna.platform.win32.COM.*;
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import com.sun.jna.platform.win32.Guid.*;
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import com.sun.jna.platform.win32.WinDef.*;
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import com.sun.jna.platform.win32.WinNT.*;
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import com.sun.jna.ptr.*;
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/**
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* JNA wrapper for the ITaskBarList3 COM interface.
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* https://msdn.microsoft.com/en-us/library/dd391696(v=vs.85).aspx
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*
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* @author Ingo Bauersachs
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*/
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public class TaskBarList3
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extends Unknown
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{
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private static final GUID CLSID_TaskbarList =
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new GUID("{56FDF344-FD6D-11d0-958A-006097C9A090}");
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private static final GUID IID_ITaskbarList3 =
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new GUID("{ea1afb91-9e28-4b86-90e9-9e9f8a5eefaf}");
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private static TaskBarList3 instance;
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/**
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* Gets the ITaskBarList3 interface and initializes it with HrInit
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* @return A ready to use TaskBarList3 object.
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* @throws COMException when the interface could not be accessed
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*/
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public static TaskBarList3 getInstance()
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{
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if (instance == null && OSUtils.IS_WINDOWS)
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{
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Ole32.INSTANCE.CoInitializeEx(Pointer.NULL, 0);
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PointerByReference p = new PointerByReference();
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WinNT.HRESULT hr =
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Ole32.INSTANCE.CoCreateInstance(CLSID_TaskbarList, Pointer.NULL,
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ObjBase.CLSCTX_ALL, IID_ITaskbarList3, p);
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COMUtils.checkRC(hr);
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instance = new TaskBarList3(p.getValue());
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}
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return instance;
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}
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private TaskBarList3(Pointer p)
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{
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super(p);
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HrInit();
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}
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// VTable
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// ------
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// IUnknown:
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// 0: AddRef
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// 1: QueryInterface
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// 2: Release
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//
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// ITaskBarList:
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// 3: HrInit
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// 4: AddTab
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// 5: DeleteTab
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// 6: ActivateTab
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// 7: SetActiveAlt
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//
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// ITaskBarList2
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// 8: MarkFullscreenWindow
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//
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// ITaskBarList3:
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// 9: SetProgressValue
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// 10: SetProgressState
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// 11: RegisterTab
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// 12: UnregisterTab
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// 13: SetTabOrder
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// 14: SetTabActive
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// 15: ThumbBarAddButtons
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// 16: ThumbBarAddButtons
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// 17: ThumbBarSetImageList
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// 18: SetOverlayIcon
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// 19: SetThumbnailTooltip
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// 20: SetThumbnailClip
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//
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// ITaskbarList4:
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// 21: SetTabProperties
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/**
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* https://msdn.microsoft.com/en-us/library/bb774650(v=vs.85).aspx
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*/
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private void HrInit()
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{
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int hr = this._invokeNativeInt(3, new Object[]
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{ this.getPointer() });
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COMUtils.checkRC(new HRESULT(hr));
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}
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/**
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* https://msdn.microsoft.com/en-us/library/dd391696(v=vs.85).aspx
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*/
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private void SetOverlayIcon(HWND hwnd, HICON hIcon, String pszDescription)
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{
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int hr = this._invokeNativeInt(18, new Object[]
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{ this.getPointer(), hwnd, hIcon, pszDescription });
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COMUtils.checkRC(new HRESULT(hr));
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}
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/**
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* Sets an overlay image to the taskbar icon.
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* @param frame The window that should receive the overlay
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* @param image The overlay image, can be <tt>null</tt> to clear the overlay
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* @param description An optional tooltip text, can be <tt>null</tt>
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*/
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public void SetOverlayIcon(Component frame, BufferedImage image,
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String description)
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{
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HICON ico = null;
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if (image != null)
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{
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byte[] iconBytes = ImageConverter.writeTransparentIcoImage(image);
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ico = ImageConverter.createIcon(iconBytes);
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}
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HWND hwnd = new HWND(Native.getComponentPointer(frame));
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SetOverlayIcon(hwnd, ico, description);
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}
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}
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@ -0,0 +1,47 @@
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/*
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* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
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*
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* Copyright @ 2015 Atlassian Pty Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.java.sip.communicator.impl.osdependent.windows;
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import com.sun.jna.*;
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import com.sun.jna.platform.win32.*;
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import com.sun.jna.win32.*;
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/**
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* Extension to missing user32 Windows APIs
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*
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* @author Ingo Bauersachs
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*/
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interface User32Ex
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extends StdCallLibrary
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{
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User32Ex INSTANCE = (User32Ex) Native.loadLibrary("user32", User32Ex.class,
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W32APIOptions.DEFAULT_OPTIONS);
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/**
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* https://msdn.microsoft.com/en-us/library/windows/desktop/ms648074(v=vs.85).aspx
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*/
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int LookupIconIdFromDirectoryEx(Memory presbits, boolean fIcon,
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int cxDesired, int cyDesired, int Flags);
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/**
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* https://msdn.microsoft.com/en-us/library/windows/desktop/ms648061(v=vs.85).aspx
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*/
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WinDef.HICON CreateIconFromResourceEx(Pointer pbIconBits,
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WinDef.DWORD cbIconBits, boolean fIcon, WinDef.DWORD dwVersion,
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int cxDesired, int cyDesired, int uFlags);
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}
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