Examples with BitFlags com.biglybt.core.peermanager.piecepicker.util.BitFlags used on opensource projects

Example 16 with BitFlags

use of com.biglybt.core.peermanager.piecepicker.util.BitFlags in project BiglyBT by BiglySoftware.

the class PiecesItem method refresh.

@Override
public void refresh(final TableCell cell) {
    /* Notes:
		 * We store our image and imageBufer in PEPeer using
		 * setData & getData.
		 */
    // Named infoObj so code can be copied easily to the other PiecesItem
    final PEPeer infoObj = (PEPeer) cell.getDataSource();
    long lCompleted = (infoObj == null) ? 0 : infoObj.getPercentDoneInThousandNotation();
    if (!cell.setSortValue(lCompleted) && cell.isValid()) {
        return;
    }
    if (infoObj == null)
        return;
    Utils.execSWTThread(new AERunnable() {

        @Override
        public void runSupport() {
            if (cell.isDisposed()) {
                return;
            }
            // Compute bounds ...
            int newWidth = cell.getWidth();
            if (newWidth <= 0)
                return;
            int newHeight = cell.getHeight();
            int x0 = borderVerticalSize;
            int x1 = newWidth - 1 - borderVerticalSize;
            int y0 = completionHeight + borderHorizontalSize + borderSplit;
            int y1 = newHeight - 1 - borderHorizontalSize;
            int drawWidth = x1 - x0 + 1;
            if (drawWidth < 10 || y1 < 3)
                return;
            int[] imageBuffer = (int[]) infoObj.getData("PiecesImageBuffer");
            boolean bImageBufferValid = imageBuffer != null && imageBuffer.length == drawWidth;
            Image image = (Image) infoObj.getData("PiecesImage");
            GC gcImage;
            boolean bImageChanged;
            Rectangle imageBounds;
            if (image == null || image.isDisposed()) {
                bImageChanged = true;
            } else {
                imageBounds = image.getBounds();
                bImageChanged = imageBounds.width != newWidth || imageBounds.height != newHeight;
            }
            if (bImageChanged) {
                if (image != null && !image.isDisposed()) {
                    image.dispose();
                }
                image = new Image(Utils.getDisplay(), newWidth, newHeight);
                imageBounds = image.getBounds();
                bImageBufferValid = false;
                // draw border
                gcImage = new GC(image);
                gcImage.setForeground(Colors.grey);
                if (borderHorizontalSize > 0) {
                    if (borderVerticalSize > 0) {
                        gcImage.drawRectangle(0, 0, newWidth - 1, newHeight - 1);
                    } else {
                        gcImage.drawLine(0, 0, newWidth - 1, 0);
                        gcImage.drawLine(0, newHeight - 1, newWidth - 1, newHeight - 1);
                    }
                } else if (borderVerticalSize > 0) {
                    gcImage.drawLine(0, 0, 0, newHeight - 1);
                    gcImage.drawLine(newWidth - 1, 0, newWidth - 1, newHeight - 1);
                }
                if (borderSplit > 0) {
                    gcImage.setForeground(Colors.white);
                    gcImage.drawLine(x0, completionHeight + borderHorizontalSize, x1, completionHeight + borderHorizontalSize);
                }
            } else {
                gcImage = new GC(image);
            }
            final BitFlags peerHave = infoObj.getAvailable();
            boolean established;
            if (infoObj instanceof PEPeerTransport) {
                established = ((PEPeerTransport) infoObj).getConnectionState() == PEPeerTransport.CONNECTION_FULLY_ESTABLISHED;
            } else {
                // hack for 'my-peer'
                established = true;
            }
            if (established && peerHave != null && peerHave.flags.length > 0) {
                if (imageBuffer == null || imageBuffer.length != drawWidth) {
                    imageBuffer = new int[drawWidth];
                }
                final boolean[] available = peerHave.flags;
                try {
                    int nbComplete = 0;
                    int nbPieces = available.length;
                    DiskManager disk_manager = infoObj.getManager().getDiskManager();
                    DiskManagerPiece[] pieces = disk_manager == null ? null : disk_manager.getPieces();
                    int a0;
                    int a1 = 0;
                    for (int i = 0; i < drawWidth; i++) {
                        if (i == 0) {
                            // always start out with one piece
                            a0 = 0;
                            a1 = nbPieces / drawWidth;
                            if (a1 == 0)
                                a1 = 1;
                        } else {
                            // the last iteration, a1 will be nbPieces
                            a0 = a1;
                            a1 = ((i + 1) * nbPieces) / (drawWidth);
                        }
                        int index;
                        int nbNeeded = 0;
                        if (a1 <= a0) {
                            index = imageBuffer[i - 1];
                        } else {
                            int nbAvailable = 0;
                            for (int j = a0; j < a1; j++) {
                                if (available[j]) {
                                    if (pieces == null || !pieces[j].isDone()) {
                                        nbNeeded++;
                                    }
                                    nbAvailable++;
                                }
                            }
                            nbComplete += nbAvailable;
                            index = (nbAvailable * Colors.BLUES_DARKEST) / (a1 - a0);
                            if (nbNeeded <= nbAvailable / 2)
                                index += INDEX_COLOR_FADEDSTARTS;
                        }
                        if (imageBuffer[i] != index) {
                            imageBuffer[i] = index;
                            if (bImageBufferValid) {
                                bImageChanged = true;
                                if (imageBuffer[i] >= INDEX_COLOR_FADEDSTARTS)
                                    gcImage.setForeground(Colors.faded[index - INDEX_COLOR_FADEDSTARTS]);
                                else
                                    gcImage.setForeground(Colors.blues[index]);
                                gcImage.drawLine(i + x0, y0, i + x0, y1);
                            }
                        }
                    }
                    if (!bImageBufferValid) {
                        if (established) {
                            int iLastIndex = imageBuffer[0];
                            int iWidth = 1;
                            for (int i = 1; i < drawWidth; i++) {
                                if (iLastIndex == imageBuffer[i]) {
                                    iWidth++;
                                } else {
                                    if (iLastIndex >= INDEX_COLOR_FADEDSTARTS) {
                                        gcImage.setBackground(Colors.faded[iLastIndex - INDEX_COLOR_FADEDSTARTS]);
                                    } else
                                        gcImage.setBackground(Colors.blues[iLastIndex]);
                                    gcImage.fillRectangle(i - iWidth + x0, y0, iWidth, y1 - y0 + 1);
                                    iWidth = 1;
                                    iLastIndex = imageBuffer[i];
                                }
                            }
                            if (iLastIndex >= INDEX_COLOR_FADEDSTARTS)
                                gcImage.setBackground(Colors.faded[iLastIndex - INDEX_COLOR_FADEDSTARTS]);
                            else
                                gcImage.setBackground(Colors.blues[iLastIndex]);
                            gcImage.fillRectangle(x1 - iWidth + 1, y0, iWidth, y1 - y0 + 1);
                            bImageChanged = true;
                        }
                    }
                    int limit = (drawWidth * nbComplete) / nbPieces;
                    if (limit < drawWidth) {
                        gcImage.setBackground(Colors.blues[Colors.BLUES_LIGHTEST]);
                        gcImage.fillRectangle(limit + x0, borderHorizontalSize, x1 - limit, completionHeight);
                    }
                    gcImage.setBackground(Colors.colorProgressBar);
                    gcImage.fillRectangle(x0, borderHorizontalSize, limit, completionHeight);
                } catch (Exception e) {
                    System.out.println("Error Drawing PiecesItem");
                    Debug.printStackTrace(e);
                }
            } else {
                gcImage.setForeground(Colors.grey);
                gcImage.setBackground(Colors.grey);
                gcImage.fillRectangle(x0, y0, newWidth, y1);
            }
            gcImage.dispose();
            Image oldImage = null;
            Graphic graphic = cell.getGraphic();
            if (graphic instanceof UISWTGraphic) {
                oldImage = ((UISWTGraphic) graphic).getImage();
            }
            if (bImageChanged || image != oldImage || !cell.isValid()) {
                if (cell instanceof TableCellSWT) {
                    ((TableCellSWT) cell).setGraphic(image);
                } else {
                    cell.setGraphic(new UISWTGraphicImpl(image));
                }
                if (oldImage != null && image != oldImage && !oldImage.isDisposed()) {
                    oldImage.dispose();
                }
                if (bImageChanged || image != oldImage) {
                    cell.invalidate();
                }
                infoObj.setData("PiecesImage", image);
                infoObj.setData("PiecesImageBuffer", imageBuffer);
            }
        }
    });
}