/*
* File : PeerInfoView.java
* Created : Oct 2, 2005
* By : TuxPaper
*
* Copyright (C) 2005, 2006 Aelitis SAS, All rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License.
*
* This program 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 for more details ( see the LICENSE file ).
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* AELITIS, SAS au capital de 46,603.30 euros,
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*/
package org.gudy.azureus2.ui.swt.views.peer;
import java.io.InputStream;
import java.util.Arrays;
import java.util.Locale;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.ScrolledComposite;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.*;
import org.gudy.azureus2.core3.config.COConfigurationManager;
import org.gudy.azureus2.core3.disk.DiskManager;
import org.gudy.azureus2.core3.disk.DiskManagerPiece;
import org.gudy.azureus2.core3.logging.*;
import org.gudy.azureus2.core3.peer.PEPeer;
import org.gudy.azureus2.core3.peer.PEPeerManager;
import org.gudy.azureus2.core3.util.AERunnable;
import org.gudy.azureus2.core3.util.Debug;
import org.gudy.azureus2.core3.util.DisplayFormatters;
import org.gudy.azureus2.plugins.Plugin;
import org.gudy.azureus2.plugins.PluginInterface;
import org.gudy.azureus2.pluginsimpl.local.PluginInitializer;
import org.gudy.azureus2.ui.swt.Utils;
import org.gudy.azureus2.ui.swt.components.Legend;
import org.gudy.azureus2.ui.swt.debug.ObfusticateImage;
import org.gudy.azureus2.ui.swt.debug.UIDebugGenerator;
import org.gudy.azureus2.ui.swt.mainwindow.Colors;
import org.gudy.azureus2.ui.swt.views.AbstractIView;
import org.gudy.azureus2.ui.swt.views.IViewExtension;
import com.aelitis.azureus.core.AzureusCore;
import com.aelitis.azureus.core.AzureusCoreFactory;
import com.aelitis.azureus.core.AzureusCoreRunningListener;
import com.aelitis.azureus.core.peermanager.piecepicker.util.BitFlags;
/**
* Piece Map subview for Peers View.
* Testing bed for SubView stuff.
*
* @author TuxPaper
* @created 2005/10/02
*
* @todo on paint, paint cached image instead of recalc
*/
public class PeerInfoView
extends AbstractIView
implements ObfusticateImage, IViewExtension
{
private final static int BLOCK_FILLSIZE = 14;
private final static int BLOCK_SPACING = 2;
private final static int BLOCK_SIZE = BLOCK_FILLSIZE + BLOCK_SPACING;
private final static int BLOCKCOLOR_AVAIL_HAVE = 0;
private final static int BLOCKCOLOR_AVAIL_NOHAVE = 1;
private final static int BLOCKCOLOR_NOAVAIL_HAVE = 2;
private final static int BLOCKCOLOR_NOAVAIL_NOHAVE = 3;
private final static int BLOCKCOLOR_TRANSFER = 4;
private final static int BLOCKCOLOR_NEXT = 5;
private final static int BLOCKCOLOR_AVAILCOUNT = 6;
private Composite peerInfoComposite;
private ScrolledComposite sc;
protected Canvas peerInfoCanvas;
private Color[] blockColors;
private Label topLabel;
private Label imageLabel;
// More delay for this view because of high workload
private int graphicsUpdate = COConfigurationManager
.getIntParameter("Graphics Update") * 2;
private int loopFactor = 0;
private PEPeer peer;
private Plugin countryLocator = null;
private String sCountryImagesDir;
private Font font = null;
Image img = null;
protected boolean refreshInfoCanvasQueued;
/**
* Initialize
*
*/
public PeerInfoView() {
blockColors = new Color[] { Colors.blues[Colors.BLUES_DARKEST],
Colors.blues[Colors.BLUES_MIDLIGHT], Colors.fadedGreen, Colors.white,
Colors.red, Colors.fadedRed, Colors.black };
AzureusCoreFactory.addCoreRunningListener(new AzureusCoreRunningListener() {
public void azureusCoreRunning(AzureusCore core) {
initCountryPlugin();
}
});
}
private void initCountryPlugin() {
// Pull in Country Information if the plugin exists
/**
* If this view was a real plugin view, we could attach the CountryLocator.jar
* to our project, cast countryLocator as CountryLocator (instead of Plugin),
* and then directly call the functions.
*
* Since we are in core, and we don't want to add a dependency on the
* CountryLocator.jar, we invoke the methods via the Class object.
*/
try {
PluginInterface pi = PluginInitializer.getDefaultInterface()
.getPluginManager().getPluginInterfaceByID("CountryLocator");
if (pi != null) {
countryLocator = pi.getPlugin();
if (!pi.getPluginState().isOperational()
|| pi.getUtilities().compareVersions(pi.getPluginVersion(), "1.6") < 0)
countryLocator = null;
if (countryLocator != null) {
sCountryImagesDir = (String) countryLocator.getClass().getMethod(
"getImageLocation", new Class[] { Integer.TYPE }).invoke(
countryLocator, new Object[] { new Integer(0) });
}
}
} catch (Throwable t) {
}
}
public void dataSourceChanged(Object newDataSource) {
if (newDataSource == null)
peer = null;
else if (newDataSource instanceof Object[])
peer = (PEPeer) ((Object[]) newDataSource)[0];
else
peer = (PEPeer) newDataSource;
Utils.execSWTThreadLater(0, new AERunnable() {
public void runSupport() {
swt_fillPeerInfoSection();
}
});
}
/* (non-Javadoc)
* @see org.gudy.azureus2.ui.swt.views.AbstractIView#getData()
*/
public String getData() {
return "PeersView.BlockView.title";
}
/* (non-Javadoc)
* @see org.gudy.azureus2.ui.swt.views.AbstractIView#initialize(org.eclipse.swt.widgets.Composite)
*/
public void initialize(Composite composite) {
if (peerInfoComposite != null && !peerInfoComposite.isDisposed()) {
Logger.log(new LogEvent(LogIDs.GUI, LogEvent.LT_ERROR,
"PeerInfoView already initialized! Stack: "
+ Debug.getStackTrace(true, false)));
delete();
}
createPeerInfoPanel(composite);
}
private Composite createPeerInfoPanel(Composite parent) {
GridLayout layout;
GridData gridData;
// Peer Info section contains
// - Peer's Block display
// - Peer's Datarate
peerInfoComposite = new Composite(parent, SWT.NONE);
layout = new GridLayout();
layout.numColumns = 2;
layout.horizontalSpacing = 0;
layout.verticalSpacing = 0;
layout.marginHeight = 0;
layout.marginWidth = 0;
peerInfoComposite.setLayout(layout);
gridData = new GridData(GridData.FILL, GridData.FILL, true, true);
peerInfoComposite.setLayoutData(gridData);
imageLabel = new Label(peerInfoComposite, SWT.NULL);
gridData = new GridData();
if (countryLocator != null)
gridData.widthHint = 28;
imageLabel.setLayoutData(gridData);
topLabel = new Label(peerInfoComposite, SWT.NULL);
gridData = new GridData(SWT.FILL, SWT.DEFAULT, false, false);
topLabel.setLayoutData(gridData);
sc = new ScrolledComposite(peerInfoComposite, SWT.V_SCROLL);
sc.setExpandHorizontal(true);
sc.setExpandVertical(true);
layout = new GridLayout();
layout.horizontalSpacing = 0;
layout.verticalSpacing = 0;
layout.marginHeight = 0;
layout.marginWidth = 0;
sc.setLayout(layout);
gridData = new GridData(GridData.FILL, GridData.FILL, true, true, 2, 1);
sc.setLayoutData(gridData);
sc.getVerticalBar().setIncrement(BLOCK_SIZE);
peerInfoCanvas = new Canvas(sc, SWT.NO_REDRAW_RESIZE | SWT.NO_BACKGROUND);
gridData = new GridData(GridData.FILL, SWT.DEFAULT, true, false);
peerInfoCanvas.setLayoutData(gridData);
peerInfoCanvas.addPaintListener(new PaintListener() {
public void paintControl(PaintEvent e) {
if (e.width <= 0 || e.height <= 0)
return;
try {
Rectangle bounds = (img == null) ? null : img.getBounds();
if (bounds == null) {
e.gc.fillRectangle(e.x, e.y, e.width, e.height);
} else {
if (e.x + e.width > bounds.width)
e.gc.fillRectangle(bounds.width, e.y, e.x + e.width
- bounds.width + 1, e.height);
if (e.y + e.height > bounds.height)
e.gc.fillRectangle(e.x, bounds.height, e.width, e.y + e.height
- bounds.height + 1);
int width = Math.min(e.width, bounds.width - e.x);
int height = Math.min(e.height, bounds.height - e.y);
e.gc.drawImage(img, e.x, e.y, width, height, e.x, e.y, width,
height);
}
} catch (Exception ex) {
}
}
});
Listener doNothingListener = new Listener() {
public void handleEvent(Event event) {
}
};
peerInfoCanvas.addListener(SWT.KeyDown, doNothingListener);
peerInfoCanvas.addListener(SWT.Resize, new Listener() {
public void handleEvent(Event e) {
if (refreshInfoCanvasQueued || !peerInfoCanvas.isVisible()) {
return;
}
// wrap in asyncexec because sc.setMinWidth (called later) doesn't work
// too well inside a resize (the canvas won't size isn't always updated)
Utils.execSWTThreadLater(100, new AERunnable() {
public void runSupport() {
if (refreshInfoCanvasQueued) {
return;
}
refreshInfoCanvasQueued = true;
if (img != null) {
int iOldColCount = img.getBounds().width / BLOCK_SIZE;
int iNewColCount = peerInfoCanvas.getClientArea().width / BLOCK_SIZE;
if (iOldColCount != iNewColCount)
refreshInfoCanvas();
}
}
});
}
});
sc.setContent(peerInfoCanvas);
Legend.createLegendComposite(peerInfoComposite,
blockColors, new String[] { "PeersView.BlockView.Avail.Have",
"PeersView.BlockView.Avail.NoHave",
"PeersView.BlockView.NoAvail.Have",
"PeersView.BlockView.NoAvail.NoHave",
"PeersView.BlockView.Transfer", "PeersView.BlockView.NextRequest",
"PeersView.BlockView.AvailCount" }, new GridData(SWT.FILL,
SWT.DEFAULT, true, false, 2, 1));
int iFontPixelsHeight = 10;
int iFontPointHeight = (iFontPixelsHeight * 72)
/ peerInfoCanvas.getDisplay().getDPI().y;
Font f = peerInfoCanvas.getFont();
FontData[] fontData = f.getFontData();
fontData[0].setHeight(iFontPointHeight);
font = new Font(peerInfoCanvas.getDisplay(), fontData);
return peerInfoComposite;
}
public void swt_fillPeerInfoSection() {
if (imageLabel.getImage() != null) {
Image image = imageLabel.getImage();
imageLabel.setImage(null);
image.dispose();
}
if (peer == null) {
topLabel.setText("");
} else {
String s = peer.getClient();
if (s == null)
s = "";
if (s != "")
s += "; ";
s += peer.getIp()
+ "; "
+ DisplayFormatters.formatPercentFromThousands(peer
.getPercentDoneInThousandNotation());
topLabel.setText(s);
if (countryLocator != null) {
try {
String sCountry = (String) countryLocator.getClass().getMethod(
"getIPCountry", new Class[] { String.class, Locale.class })
.invoke(countryLocator,
new Object[] { peer.getIp(), Locale.getDefault() });
String sCode = (String) countryLocator.getClass().getMethod(
"getIPISO3166", new Class[] { String.class }).invoke(
countryLocator, new Object[] { peer.getIp() });
imageLabel.setToolTipText(sCode + "- " + sCountry);
InputStream is = countryLocator.getClass().getClassLoader()
.getResourceAsStream(
sCountryImagesDir + "/" + sCode.toLowerCase() + ".png");
if (is != null) {
Image img = new Image(imageLabel.getDisplay(), is);
img.setBackground(imageLabel.getBackground());
imageLabel.setImage(img);
}
} catch (Exception e) {
// ignore
}
}
}
refreshInfoCanvas();
}
public void refresh() {
super.refresh();
if (loopFactor++ % graphicsUpdate == 0) {
refreshInfoCanvas();
}
}
/**
* Constructs and image representing the download state of _all_
* the pieces in the torrent. Particularily slow when there's lots of pieces,
* and also wasteful since only a fraction of them ever get painted at
* any given time.
*
* TODO: Construct image for visible area only or something
*/
private void refreshInfoCanvas() {
refreshInfoCanvasQueued = false;
if (peerInfoComposite == null || !peerInfoComposite.isVisible()) {
return;
}
peerInfoCanvas.layout(true);
Rectangle bounds = peerInfoCanvas.getClientArea();
if (bounds.width <= 0 || bounds.height <= 0)
return;
if (img != null && !img.isDisposed()) {
img.dispose();
img = null;
}
if (peer == null || peer.getPeerState() != PEPeer.TRANSFERING) {
GC gc = new GC(peerInfoCanvas);
gc.fillRectangle(bounds);
gc.dispose();
return;
}
BitFlags peerHavePieces = peer.getAvailable();
if (peerHavePieces == null) {
GC gc = new GC(peerInfoCanvas);
gc.fillRectangle(bounds);
gc.dispose();
return;
}
DiskManagerPiece[] dm_pieces = null;
PEPeerManager pm = peer.getManager();
DiskManager dm = pm.getDiskManager();
dm_pieces = dm.getPieces();
int iNumCols = bounds.width / BLOCK_SIZE;
int iNeededHeight = (((dm.getNbPieces() - 1) / iNumCols) + 1)
* BLOCK_SIZE;
if (sc.getMinHeight() != iNeededHeight) {
sc.setMinHeight(iNeededHeight);
sc.layout(true, true);
bounds = peerInfoCanvas.getClientArea();
}
img = new Image(peerInfoCanvas.getDisplay(), bounds.width, iNeededHeight);
GC gcImg = new GC(img);
try {
// use advanced capabilities for faster drawText
gcImg.setAdvanced(true);
gcImg.setBackground(peerInfoCanvas.getBackground());
gcImg.fillRectangle(0, 0, bounds.width, iNeededHeight);
int[] availability = pm.getAvailability();
int iNextDLPieceID = -1;
int iDLPieceID = -1;
int[] ourRequestedPieces = peer.getOutgoingRequestedPieceNumbers();
if (ourRequestedPieces != null) {
if (!peer.isChokingMe()) {
// !choking == downloading
if (ourRequestedPieces.length > 0) {
iDLPieceID = ourRequestedPieces[0];
if (ourRequestedPieces.length > 1)
iNextDLPieceID = ourRequestedPieces[1];
}
} else {
if (ourRequestedPieces.length > 0)
iNextDLPieceID = ourRequestedPieces[0];
}
// if (iNextDLPieceID == -1) {
// iNextDLPieceID = peer.getNextPieceNumberGuess();
// }
}
int[] peerRequestedPieces = peer.getIncomingRequestedPieceNumbers();
if (peerRequestedPieces == null)
peerRequestedPieces = new int[0];
int peerNextRequestedPiece = -1;
if (peerRequestedPieces.length > 0)
peerNextRequestedPiece = peerRequestedPieces[0];
Arrays.sort(peerRequestedPieces);
int iRow = 0;
int iCol = 0;
for (int i = 0; i < peerHavePieces.flags.length; i++) {
int colorIndex;
boolean done = (dm_pieces == null) ? false : dm_pieces[i].isDone();
int iXPos = iCol * BLOCK_SIZE;
int iYPos = iRow * BLOCK_SIZE;
if (done) {
if (peerHavePieces.flags[i])
colorIndex = BLOCKCOLOR_AVAIL_HAVE;
else
colorIndex = BLOCKCOLOR_NOAVAIL_HAVE;
gcImg.setBackground(blockColors[colorIndex]);
gcImg.fillRectangle(iXPos, iYPos, BLOCK_FILLSIZE, BLOCK_FILLSIZE);
} else {
// !done
boolean partiallyDone = (dm_pieces == null) ? false : dm_pieces[i]
.getNbWritten() > 0;
int x = iXPos;
int width = BLOCK_FILLSIZE;
if (partiallyDone) {
if (peerHavePieces.flags[i])
colorIndex = BLOCKCOLOR_AVAIL_HAVE;
else
colorIndex = BLOCKCOLOR_NOAVAIL_HAVE;
gcImg.setBackground(blockColors[colorIndex]);
int iNewWidth = (int) (((float) dm_pieces[i].getNbWritten() / dm_pieces[i]
.getNbBlocks()) * width);
if (iNewWidth >= width)
iNewWidth = width - 1;
else if (iNewWidth <= 0)
iNewWidth = 1;
gcImg.fillRectangle(x, iYPos, iNewWidth, BLOCK_FILLSIZE);
width -= iNewWidth;
x += iNewWidth;
}
if (peerHavePieces.flags[i])
colorIndex = BLOCKCOLOR_AVAIL_NOHAVE;
else
colorIndex = BLOCKCOLOR_NOAVAIL_NOHAVE;
gcImg.setBackground(blockColors[colorIndex]);
gcImg.fillRectangle(x, iYPos, width, BLOCK_FILLSIZE);
}
// Down Arrow inside box for "dowloading" piece
if (i == iDLPieceID) {
gcImg.setBackground(blockColors[BLOCKCOLOR_TRANSFER]);
gcImg.fillPolygon(new int[] { iXPos, iYPos, iXPos + BLOCK_FILLSIZE,
iYPos, iXPos + (BLOCK_FILLSIZE / 2), iYPos + BLOCK_FILLSIZE });
}
// Small Down Arrow inside box for next download piece
if (i == iNextDLPieceID) {
gcImg.setBackground(blockColors[BLOCKCOLOR_NEXT]);
gcImg.fillPolygon(new int[] { iXPos + 2, iYPos + 2,
iXPos + BLOCK_FILLSIZE - 1, iYPos + 2,
iXPos + (BLOCK_FILLSIZE / 2), iYPos + BLOCK_FILLSIZE - 1 });
}
// Up Arrow in uploading piece
if (i == peerNextRequestedPiece) {
gcImg.setBackground(blockColors[BLOCKCOLOR_TRANSFER]);
gcImg.fillPolygon(new int[] { iXPos, iYPos + BLOCK_FILLSIZE,
iXPos + BLOCK_FILLSIZE, iYPos + BLOCK_FILLSIZE,
iXPos + (BLOCK_FILLSIZE / 2), iYPos });
} else if (Arrays.binarySearch(peerRequestedPieces, i) >= 0) {
// Small Up Arrow each upload request
gcImg.setBackground(blockColors[BLOCKCOLOR_NEXT]);
gcImg.fillPolygon(new int[] { iXPos + 1, iYPos + BLOCK_FILLSIZE - 2,
iXPos + BLOCK_FILLSIZE - 2, iYPos + BLOCK_FILLSIZE - 2,
iXPos + (BLOCK_FILLSIZE / 2), iYPos + 2 });
}
if (availability != null && availability[i] < 10) {
gcImg.setFont(font);
String sNumber = String.valueOf(availability[i]);
Point size = gcImg.stringExtent(sNumber);
int x = iXPos + (BLOCK_FILLSIZE / 2) - (size.x / 2);
int y = iYPos + (BLOCK_FILLSIZE / 2) - (size.y / 2);
gcImg.setForeground(blockColors[BLOCKCOLOR_AVAILCOUNT]);
gcImg.drawText(sNumber, x, y, true);
}
iCol++;
if (iCol >= iNumCols) {
iCol = 0;
iRow++;
}
}
} catch (Exception e) {
Logger.log(new LogEvent(LogIDs.GUI, "drawing piece map", e));
} finally {
gcImg.dispose();
}
peerInfoCanvas.redraw();
}
/* (non-Javadoc)
* @see org.gudy.azureus2.ui.swt.views.AbstractIView#getComposite()
*/
public Composite getComposite() {
return peerInfoComposite;
}
/* (non-Javadoc)
* @see org.gudy.azureus2.ui.swt.views.AbstractIView#delete()
*/
public void delete() {
if (!imageLabel.isDisposed() && imageLabel.getImage() != null) {
Image image = imageLabel.getImage();
imageLabel.setImage(null);
image.dispose();
}
if (img != null && !img.isDisposed()) {
img.dispose();
img = null;
}
if (font != null && !font.isDisposed()) {
font.dispose();
font = null;
}
super.delete();
}
public Image obfusticatedImage(Image image) {
UIDebugGenerator.obfusticateArea(image, topLabel, "");
return image;
}
public Menu getPrivateMenu() {
return null;
}
public void viewActivated() {
refreshInfoCanvas();
}
public void viewDeactivated() {
}
}