1 /* 2 * Copyright (c) 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 package sun.lwawt.macosx; 27 28 29 import java.awt.*; 30 import java.awt.geom.Rectangle2D; 31 import java.awt.image.BufferedImage; 32 import java.awt.print.*; 33 34 import javax.print.*; 35 import javax.print.attribute.PrintRequestAttributeSet; 36 import javax.print.attribute.standard.PageRanges; 37 38 import sun.java2d.*; 39 import sun.print.*; 40 41 public class CPrinterJob extends RasterPrinterJob { 42 // NOTE: This uses RasterPrinterJob as a base, but it doesn't use 43 // all of the RasterPrinterJob functions. RasterPrinterJob will 44 // break down printing to pieces that aren't necessary under MacOSX 45 // printing, such as controlling the # of copies and collating. These 46 // are handled by the native printing. RasterPrinterJob is kept for 47 // future compatibility and the state keeping that it handles. 48 49 private static String sShouldNotReachHere = "Should not reach here."; 50 51 private boolean noDefaultPrinter = false; 52 53 private static Font defaultFont; 54 55 // This is the NSPrintInfo for this PrinterJob. Protect multi thread 56 // access to it. It is used by the pageDialog, jobDialog, and printLoop. 57 // This way the state of these items is shared across these calls. 58 // PageFormat data is passed in and set on the fNSPrintInfo on a per call 59 // basis. 60 private long fNSPrintInfo = -1; 61 private Object fNSPrintInfoLock = new Object(); 62 63 static { 64 // AWT has to be initialized for the native code to function correctly. 65 Toolkit.getDefaultToolkit(); 66 } 67 68 /** 69 * Presents a dialog to the user for changing the properties of 70 * the print job. 71 * This method will display a native dialog if a native print 72 * service is selected, and user choice of printers will be restricted 73 * to these native print services. 74 * To present the cross platform print dialog for all services, 75 * including native ones instead use 76 * <code>printDialog(PrintRequestAttributeSet)</code>. 77 * <p> 78 * PrinterJob implementations which can use PrintService's will update 79 * the PrintService for this PrinterJob to reflect the new service 80 * selected by the user. 81 * @return <code>true</code> if the user does not cancel the dialog; 82 * <code>false</code> otherwise. 83 * @exception HeadlessException if GraphicsEnvironment.isHeadless() 84 * returns true. 85 * @see java.awt.GraphicsEnvironment#isHeadless 86 */ 87 public boolean printDialog() throws HeadlessException { 88 if (GraphicsEnvironment.isHeadless()) { 89 throw new HeadlessException(); 90 } 91 92 if (noDefaultPrinter) { 93 return false; 94 } 95 96 return jobSetup(getPageable(), checkAllowedToPrintToFile()); 97 } 98 99 /** 100 * Displays a dialog that allows modification of a 101 * <code>PageFormat</code> instance. 102 * The <code>page</code> argument is used to initialize controls 103 * in the page setup dialog. 104 * If the user cancels the dialog then this method returns the 105 * original <code>page</code> object unmodified. 106 * If the user okays the dialog then this method returns a new 107 * <code>PageFormat</code> object with the indicated changes. 108 * In either case, the original <code>page</code> object is 109 * not modified. 110 * @param page the default <code>PageFormat</code> presented to the 111 * user for modification 112 * @return the original <code>page</code> object if the dialog 113 * is cancelled; a new <code>PageFormat</code> object 114 * containing the format indicated by the user if the 115 * dialog is acknowledged. 116 * @exception HeadlessException if GraphicsEnvironment.isHeadless() 117 * returns true. 118 * @see java.awt.GraphicsEnvironment#isHeadless 119 * @since 1.2 120 */ 121 public PageFormat pageDialog(PageFormat page) throws HeadlessException { 122 if (GraphicsEnvironment.isHeadless()) { 123 throw new HeadlessException(); 124 } 125 126 if (noDefaultPrinter) { 127 return page; 128 } 129 130 PageFormat pageClone = (PageFormat) page.clone(); 131 boolean doIt = pageSetup(pageClone, null); 132 return doIt ? pageClone : page; 133 } 134 135 /** 136 * Clones the <code>PageFormat</code> argument and alters the 137 * clone to describe a default page size and orientation. 138 * @param page the <code>PageFormat</code> to be cloned and altered 139 * @return clone of <code>page</code>, altered to describe a default 140 * <code>PageFormat</code>. 141 */ 142 public PageFormat defaultPage(PageFormat page) { 143 PageFormat newPage = (PageFormat)page.clone(); 144 getDefaultPage(newPage); 145 return newPage; 146 } 147 148 protected void setAttributes(PrintRequestAttributeSet attributes) throws PrinterException { 149 if (attributes != null) { 150 PageRanges pageRangesAttr = 151 (PageRanges)attributes.get(PageRanges.class); 152 if (pageRangesAttr != null) { 153 SunPageSelection psel = (SunPageSelection)attributes.get(SunPageSelection.class); 154 if (psel == null) { 155 attributes.add(SunPageSelection.RANGE); 156 } 157 } 158 } 159 160 super.setAttributes(attributes); 161 162 if (attributes == null) { 163 return; 164 } 165 166 // See if this has an NSPrintInfo in it. 167 NSPrintInfo nsPrintInfo = (NSPrintInfo)attributes.get(NSPrintInfo.class); 168 if (nsPrintInfo != null) { 169 fNSPrintInfo = nsPrintInfo.getValue(); 170 } 171 } 172 173 volatile boolean onEventThread; 174 175 private void completePrintLoop() { 176 Runnable r = new Runnable() { public void run() { 177 synchronized(this) { 178 performingPrinting = false; 179 } 180 }}; 181 182 if (onEventThread) { 183 try { EventQueue.invokeAndWait(r); } catch (Exception e) { e.printStackTrace(); } 184 } else { 185 r.run(); 186 } 187 } 188 189 190 public void print(PrintRequestAttributeSet attributes) throws PrinterException { 191 // NOTE: Some of this code is copied from RasterPrinterJob. 192 193 194 // this code uses javax.print APIs 195 // this will make it print directly to the printer 196 // this will not work if the user clicks on the "Preview" button 197 // However if the printer is a StreamPrintService, its the right path. 198 PrintService psvc = getPrintService(); 199 if (psvc instanceof StreamPrintService) { 200 spoolToService(psvc, attributes); 201 return; 202 } 203 204 205 setAttributes(attributes); 206 207 /* Get the range of pages we are to print. If the 208 * last page to print is unknown, then we print to 209 * the end of the document. Note that firstPage 210 * and lastPage are 0 based page indices. 211 */ 212 int numPages = mDocument.getNumberOfPages(); 213 214 int firstPage = getFirstPage(); 215 int lastPage = getLastPage(); 216 if(lastPage == Pageable.UNKNOWN_NUMBER_OF_PAGES) { 217 int totalPages = mDocument.getNumberOfPages(); 218 if (totalPages != Pageable.UNKNOWN_NUMBER_OF_PAGES) { 219 lastPage = mDocument.getNumberOfPages() - 1; 220 } 221 } 222 223 try { 224 synchronized (this) { 225 performingPrinting = true; 226 userCancelled = false; 227 } 228 229 if (EventQueue.isDispatchThread()) { 230 // This is an AWT EventQueue, and this print rendering loop needs to block it. 231 232 onEventThread = true; 233 234 try { 235 // Fire off the print rendering loop on the AppKit thread, and don't have 236 // it wait and block this thread. 237 if (printLoop(false, firstPage, lastPage)) { 238 // Fire off the EventConditional that will what until the condition is met, 239 // but will still process AWTEvent's as they occur. 240 new EventDispatchAccess() { 241 public boolean evaluate() { 242 return performingPrinting; 243 } 244 }.pumpEventsAndWait(); 245 } 246 } catch (Exception e) { 247 e.printStackTrace(); 248 } 249 } else { 250 // Fire off the print rendering loop on the AppKit, and block this thread 251 // until it is done. 252 // But don't actually block... we need to come back here! 253 onEventThread = false; 254 255 try { 256 printLoop(true, firstPage, lastPage); 257 } catch (Exception e) { 258 e.printStackTrace(); 259 } 260 } 261 } finally { 262 synchronized (this) { 263 // NOTE: Native code shouldn't allow exceptions out while 264 // printing. They should cancel the print loop. 265 performingPrinting = false; 266 notify(); 267 } 268 } 269 270 // Normalize the collated, # copies, numPages, first/last pages. Need to 271 // make note of pageRangesAttr. 272 273 // Set up NSPrintInfo with the java settings (PageFormat & Paper). 274 275 // Create an NSView for printing. Have knowsPageRange return YES, and give the correct 276 // range, or MAX? if unknown. Have rectForPage do a peekGraphics check before returning 277 // the rectangle. Have drawRect do the real render of the page. Have printJobTitle do 278 // the right thing. 279 280 // Call NSPrintOperation, it will call NSView.drawRect: for each page. 281 282 // NSView.drawRect: will create a CPrinterGraphics with the current CGContextRef, and then 283 // pass this Graphics onto the Printable with the appropriate PageFormat and index. 284 285 // Need to be able to cancel the NSPrintOperation (using code from RasterPrinterJob, be 286 // sure to initialize userCancelled and performingPrinting member variables). 287 288 // Extensions available from AppKit: Print to PDF or EPS file! 289 } 290 291 /** 292 * Returns the resolution in dots per inch across the width 293 * of the page. 294 */ 295 protected double getXRes() { 296 // NOTE: This is not used in the CPrinterJob code path. 297 return 0; 298 } 299 300 /** 301 * Returns the resolution in dots per inch down the height 302 * of the page. 303 */ 304 protected double getYRes() { 305 // NOTE: This is not used in the CPrinterJob code path. 306 return 0; 307 } 308 309 /** 310 * Must be obtained from the current printer. 311 * Value is in device pixels. 312 * Not adjusted for orientation of the paper. 313 */ 314 protected double getPhysicalPrintableX(Paper p) { 315 // NOTE: This is not used in the CPrinterJob code path. 316 return 0; 317 } 318 319 /** 320 * Must be obtained from the current printer. 321 * Value is in device pixels. 322 * Not adjusted for orientation of the paper. 323 */ 324 protected double getPhysicalPrintableY(Paper p) { 325 // NOTE: This is not used in the CPrinterJob code path. 326 return 0; 327 } 328 329 /** 330 * Must be obtained from the current printer. 331 * Value is in device pixels. 332 * Not adjusted for orientation of the paper. 333 */ 334 protected double getPhysicalPrintableWidth(Paper p) { 335 // NOTE: This is not used in the CPrinterJob code path. 336 return 0; 337 } 338 339 /** 340 * Must be obtained from the current printer. 341 * Value is in device pixels. 342 * Not adjusted for orientation of the paper. 343 */ 344 protected double getPhysicalPrintableHeight(Paper p) { 345 // NOTE: This is not used in the CPrinterJob code path. 346 return 0; 347 } 348 349 /** 350 * Must be obtained from the current printer. 351 * Value is in device pixels. 352 * Not adjusted for orientation of the paper. 353 */ 354 protected double getPhysicalPageWidth(Paper p) { 355 // NOTE: This is not used in the CPrinterJob code path. 356 return 0; 357 } 358 359 /** 360 * Must be obtained from the current printer. 361 * Value is in device pixels. 362 * Not adjusted for orientation of the paper. 363 */ 364 protected double getPhysicalPageHeight(Paper p) { 365 // NOTE: This is not used in the CPrinterJob code path. 366 return 0; 367 } 368 369 /** 370 * Begin a new page. This call's Window's 371 * StartPage routine. 372 */ 373 protected void startPage(PageFormat format, Printable painter, int index) throws PrinterException { 374 // NOTE: This is not used in the CPrinterJob code path. 375 throw new PrinterException(sShouldNotReachHere); 376 } 377 378 /** 379 * End a page. 380 */ 381 protected void endPage(PageFormat format, Printable painter, int index) throws PrinterException { 382 // NOTE: This is not used in the CPrinterJob code path. 383 throw new PrinterException(sShouldNotReachHere); 384 } 385 386 /** 387 * Prints the contents of the array of ints, 'data' 388 * to the current page. The band is placed at the 389 * location (x, y) in device coordinates on the 390 * page. The width and height of the band is 391 * specified by the caller. 392 */ 393 protected void printBand(byte[] data, int x, int y, int width, int height) throws PrinterException { 394 // NOTE: This is not used in the CPrinterJob code path. 395 throw new PrinterException(sShouldNotReachHere); 396 } 397 398 /** 399 * Called by the print() method at the start of 400 * a print job. 401 */ 402 protected void startDoc() throws PrinterException { 403 // NOTE: This is not used in the CPrinterJob code path. 404 throw new PrinterException(sShouldNotReachHere); 405 } 406 407 /** 408 * Called by the print() method at the end of 409 * a print job. 410 */ 411 protected void endDoc() throws PrinterException { 412 // NOTE: This is not used in the CPrinterJob code path. 413 throw new PrinterException(sShouldNotReachHere); 414 } 415 416 /* Called by cancelDoc */ 417 protected native void abortDoc(); 418 419 /** 420 * Displays the page setup dialog placing the user's 421 * settings into 'page'. 422 */ 423 public boolean pageSetup(PageFormat page, Printable painter) { 424 CPrinterDialog printerDialog = new CPrinterPageDialog(null, this, page, painter); 425 printerDialog.setVisible(true); 426 boolean result = printerDialog.getRetVal(); 427 printerDialog.dispose(); 428 return result; 429 } 430 431 /** 432 * Displays the print dialog and records the user's settings 433 * into this object. Return false if the user cancels the 434 * dialog. 435 * If the dialog is to use a set of attributes, useAttributes is true. 436 */ 437 private boolean jobSetup(Pageable doc, boolean allowPrintToFile) { 438 CPrinterDialog printerDialog = new CPrinterJobDialog(null, this, doc, allowPrintToFile); 439 printerDialog.setVisible(true); 440 boolean result = printerDialog.getRetVal(); 441 printerDialog.dispose(); 442 return result; 443 } 444 445 /** 446 * Alters the orientation and Paper to match defaults obtained 447 * from a printer. 448 */ 449 private native void getDefaultPage(PageFormat page); 450 451 /** 452 * validate the paper size against the current printer. 453 */ 454 protected native void validatePaper(Paper origPaper, Paper newPaper ); 455 456 // The following methods are CPrinterJob specific. 457 458 protected void finalize() { 459 if (fNSPrintInfo != -1) { 460 dispose(fNSPrintInfo); 461 } 462 } 463 464 private native long createNSPrintInfo(); 465 private native void dispose(long printInfo); 466 467 private long getNSPrintInfo() { 468 // This is called from the native side. 469 synchronized (fNSPrintInfoLock) { 470 if (fNSPrintInfo == -1) { 471 fNSPrintInfo = createNSPrintInfo(); 472 } 473 return fNSPrintInfo; 474 } 475 } 476 477 private native boolean printLoop(boolean waitUntilDone, int firstPage, int lastPage) throws PrinterException; 478 479 private PageFormat getPageFormat(int pageIndex) { 480 // This is called from the native side. 481 PageFormat page; 482 try { 483 page = getPageable().getPageFormat(pageIndex); 484 } catch (Exception e) { 485 return null; 486 } 487 return page; 488 } 489 490 private Printable getPrintable(int pageIndex) { 491 // This is called from the native side. 492 Printable painter; 493 try { 494 painter = getPageable().getPrintable(pageIndex); 495 } catch (Exception e) { 496 return null; 497 } 498 return painter; 499 } 500 501 private String getPrinterName(){ 502 // This is called from the native side. 503 PrintService service = getPrintService(); 504 if (service == null) return null; 505 return service.getName(); 506 } 507 508 private void setPrinterServiceFromNative(String printerName) { 509 // This is called from the native side. 510 PrintService[] services = PrintServiceLookup.lookupPrintServices(DocFlavor.SERVICE_FORMATTED.PAGEABLE, null); 511 512 for (int i = 0; i < services.length; i++) { 513 PrintService service = services[i]; 514 515 if (printerName.equals(service.getName())) { 516 try { 517 setPrintService(service); 518 } catch (PrinterException e) { 519 // ignored 520 } 521 return; 522 } 523 } 524 } 525 526 private Rectangle2D getPageFormatArea(PageFormat page) { 527 Rectangle2D.Double pageFormatArea = 528 new Rectangle2D.Double(page.getImageableX(), 529 page.getImageableY(), 530 page.getImageableWidth(), 531 page.getImageableHeight()); 532 return pageFormatArea; 533 } 534 535 private boolean cancelCheck() { 536 // This is called from the native side. 537 538 // This is used to avoid deadlock 539 // We would like to just call if isCancelled(), 540 // but that will block the AppKit thread against whomever is holding the synchronized lock 541 boolean cancelled = (performingPrinting && userCancelled); 542 if (cancelled) { 543 try { 544 LWCToolkit.invokeLater(new Runnable() { public void run() { 545 try { 546 cancelDoc(); 547 } catch (PrinterAbortException pae) { 548 // no-op, let the native side handle it 549 } 550 }}, null); 551 } catch (java.lang.reflect.InvocationTargetException ite) {} 552 } 553 return cancelled; 554 } 555 556 private PeekGraphics createFirstPassGraphics(PrinterJob printerJob, PageFormat page) { 557 // This is called from the native side. 558 BufferedImage bimg = new BufferedImage((int)Math.round(page.getWidth()), (int)Math.round(page.getHeight()), BufferedImage.TYPE_INT_ARGB_PRE); 559 PeekGraphics peekGraphics = createPeekGraphics(bimg.createGraphics(), printerJob); 560 Rectangle2D pageFormatArea = getPageFormatArea(page); 561 initPrinterGraphics(peekGraphics, pageFormatArea); 562 return peekGraphics; 563 } 564 565 private void printToPathGraphics( final PeekGraphics graphics, // Always an actual PeekGraphics 566 final PrinterJob printerJob, // Always an actual CPrinterJob 567 final Printable painter, // Client class 568 final PageFormat page, // Client class 569 final int pageIndex, 570 final long context) throws PrinterException { 571 // This is called from the native side. 572 Runnable r = new Runnable() { public void run() { 573 try { 574 SurfaceData sd = CPrinterSurfaceData.createData(page, context); // Just stores page into an ivar 575 if (defaultFont == null) { 576 defaultFont = new Font("Dialog", Font.PLAIN, 12); 577 } 578 Graphics2D delegate = new SunGraphics2D(sd, Color.black, Color.white, defaultFont); 579 580 Graphics2D pathGraphics = new CPrinterGraphics(delegate, printerJob); // Just stores delegate into an ivar 581 Rectangle2D pageFormatArea = getPageFormatArea(page); 582 initPrinterGraphics(pathGraphics, pageFormatArea); 583 painter.print(pathGraphics, page, pageIndex); 584 delegate.dispose(); 585 delegate = null; 586 } catch (PrinterException pe) { throw new java.lang.reflect.UndeclaredThrowableException(pe); } 587 }}; 588 589 if (onEventThread) { 590 try { EventQueue.invokeAndWait(r); 591 } catch (java.lang.reflect.InvocationTargetException ite) { 592 Throwable te = (Throwable)ite.getTargetException(); 593 if (te instanceof PrinterException) throw (PrinterException)te; 594 else te.printStackTrace(); 595 } catch (Exception e) { e.printStackTrace(); } 596 } else { 597 r.run(); 598 } 599 600 } 601 602 // Returns either 1. an array of 3 object (PageFormat, Printable, PeekGraphics) or 2. null 603 private Object[] getPageformatPrintablePeekgraphics(final int pageIndex) { 604 final Object[] ret = new Object[3]; 605 final PrinterJob printerJob = this; 606 607 Runnable r = new Runnable() { public void run() { synchronized(ret) { 608 try { 609 Pageable pageable = getPageable(); 610 PageFormat pageFormat = pageable.getPageFormat(pageIndex); 611 if (pageFormat != null) { 612 Printable printable = pageable.getPrintable(pageIndex); 613 if (printable != null) { 614 BufferedImage bimg = new BufferedImage((int)Math.round(pageFormat.getWidth()), (int)Math.round(pageFormat.getHeight()), BufferedImage.TYPE_INT_ARGB_PRE); 615 PeekGraphics peekGraphics = createPeekGraphics(bimg.createGraphics(), printerJob); 616 Rectangle2D pageFormatArea = getPageFormatArea(pageFormat); 617 initPrinterGraphics(peekGraphics, pageFormatArea); 618 619 // Do the assignment here! 620 ret[0] = pageFormat; 621 ret[1] = printable; 622 ret[2] = peekGraphics; 623 } 624 } 625 } catch (Exception e) {} // Original code bailed on any exception 626 }}}; 627 628 if (onEventThread) { 629 try { EventQueue.invokeAndWait(r); } catch (Exception e) { e.printStackTrace(); } 630 } else { 631 r.run(); 632 } 633 634 synchronized(ret) { 635 if (ret[2] != null) 636 return ret; 637 return null; 638 } 639 } 640 641 private Rectangle2D printAndGetPageFormatArea(final Printable printable, final Graphics graphics, final PageFormat pageFormat, final int pageIndex) { 642 final Rectangle2D[] ret = new Rectangle2D[1]; 643 644 Runnable r = new Runnable() { public void run() { synchronized(ret) { 645 try { 646 int pageResult = printable.print(graphics, pageFormat, pageIndex); 647 if (pageResult != Printable.NO_SUCH_PAGE) { 648 ret[0] = getPageFormatArea(pageFormat); 649 } 650 } catch (Exception e) {} // Original code bailed on any exception 651 }}}; 652 653 if (onEventThread) { 654 try { EventQueue.invokeAndWait(r); } catch (Exception e) { e.printStackTrace(); } 655 } else { 656 r.run(); 657 } 658 659 synchronized(ret) { return ret[0]; } 660 } 661 662 // upcall from native 663 private static void detachPrintLoop(final long target, final long arg) { 664 new Thread() { public void run() { 665 _safePrintLoop(target, arg); 666 }}.start(); 667 } 668 private static native void _safePrintLoop(long target, long arg); 669 670 @Override 671 protected void startPage(PageFormat arg0, Printable arg1, int arg2, boolean arg3) throws PrinterException { 672 // TODO Auto-generated method stub 673 } 674 }