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Java example source code file (CPrinterJob.m)

This example Java source code file (CPrinterJob.m) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

awt_threading, cgfloat, jnf_class_cache, jnf_cocoa_enter, jnf_cocoa_exit, jnf_member_cache, jnfcallobjectmethod, jnfcallvoidmethod, jnicall, jnienv, jniexport, nsprintinfo, null, safe

The CPrinterJob.m Java example source code

/*
 * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */


#import "java_awt_print_PageFormat.h"
#import "java_awt_print_Pageable.h"
#import "sun_lwawt_macosx_CPrinterJob.h"
#import "sun_lwawt_macosx_CPrinterPageDialog.h"

#import <Cocoa/Cocoa.h>
#import <JavaNativeFoundation/JavaNativeFoundation.h>

#import "PrinterView.h"
#import "PrintModel.h"
#import "ThreadUtilities.h"
#import "GeomUtilities.h"

static JNF_CLASS_CACHE(sjc_Paper, "java/awt/print/Paper");
static JNF_CLASS_CACHE(sjc_PageFormat, "java/awt/print/PageFormat");
static JNF_CLASS_CACHE(sjc_CPrinterJob, "sun/lwawt/macosx/CPrinterJob");
static JNF_CLASS_CACHE(sjc_CPrinterDialog, "sun/lwawt/macosx/CPrinterDialog");
static JNF_MEMBER_CACHE(sjm_getNSPrintInfo, sjc_CPrinterJob, "getNSPrintInfo", "()J");
static JNF_MEMBER_CACHE(sjm_printerJob, sjc_CPrinterDialog, "fPrinterJob", "Lsun/lwawt/macosx/CPrinterJob;");

static NSPrintInfo* createDefaultNSPrintInfo();

static void makeBestFit(NSPrintInfo* src);

static void nsPrintInfoToJavaPaper(JNIEnv* env, NSPrintInfo* src, jobject dst);
static void javaPaperToNSPrintInfo(JNIEnv* env, jobject src, NSPrintInfo* dst);

static void nsPrintInfoToJavaPageFormat(JNIEnv* env, NSPrintInfo* src, jobject dst);
static void javaPageFormatToNSPrintInfo(JNIEnv* env, jobject srcPrinterJob, jobject srcPageFormat, NSPrintInfo* dst);

static void nsPrintInfoToJavaPrinterJob(JNIEnv* env, NSPrintInfo* src, jobject dstPrinterJob, jobject dstPageable);
static void javaPrinterJobToNSPrintInfo(JNIEnv* env, jobject srcPrinterJob, jobject srcPageable, NSPrintInfo* dst);


static NSPrintInfo* createDefaultNSPrintInfo(JNIEnv* env, jstring printer)
{
    NSPrintInfo* defaultPrintInfo = [[NSPrintInfo sharedPrintInfo] copy];
    if (printer != NULL)
    {
        NSPrinter* nsPrinter = [NSPrinter printerWithName:JNFJavaToNSString(env, printer)];
        if (nsPrinter != nil)
        {
            [defaultPrintInfo setPrinter:nsPrinter];
        }
    }
    [defaultPrintInfo setUpPrintOperationDefaultValues];

    // cmc 05/18/04 radr://3160443 : setUpPrintOperationDefaultValues sets the
    // page margins to 72, 72, 90, 90 - need to use [NSPrintInfo imageablePageBounds]
    // to get values from the printer.
    // NOTE: currently [NSPrintInfo imageablePageBounds] does not update itself when
    // the user selects a different printer - see radr://3657453. However, rather than
    // directly querying the PPD here, we'll let AppKit printing do the work. The AppKit
    // printing bug above is set to be fixed for Tiger.
    NSRect imageableRect = [defaultPrintInfo imageablePageBounds];
    [defaultPrintInfo setLeftMargin: imageableRect.origin.x];
    [defaultPrintInfo setBottomMargin: imageableRect.origin.y]; //top and bottom are flipped because [NSPrintInfo imageablePageBounds] returns a flipped NSRect (bottom-left to top-right).
    [defaultPrintInfo setRightMargin: [defaultPrintInfo paperSize].width-imageableRect.origin.x-imageableRect.size.width];
    [defaultPrintInfo setTopMargin: [defaultPrintInfo paperSize].height-imageableRect.origin.y-imageableRect.size.height];

    return defaultPrintInfo;
}

static void makeBestFit(NSPrintInfo* src)
{
    // This will look at the NSPrintInfo's margins. If they are out of bounds to the
    // imageable area of the page, it will set them to the largest possible size.

    NSRect imageable = [src imageablePageBounds];

    NSSize paperSize = [src paperSize];

    CGFloat fullLeftM = imageable.origin.x;
    CGFloat fullRightM = paperSize.width - (imageable.origin.x + imageable.size.width);

    // These are flipped because [NSPrintInfo imageablePageBounds] returns a flipped
    //  NSRect (bottom-left to top-right).
    CGFloat fullTopM = paperSize.height - (imageable.origin.y + imageable.size.height);
    CGFloat fullBottomM = imageable.origin.y;

    if (fullLeftM > [src leftMargin])
    {
        [src setLeftMargin:fullLeftM];
    }

    if (fullRightM > [src rightMargin])
    {
        [src setRightMargin:fullRightM];
    }

    if (fullTopM > [src topMargin])
    {
        [src setTopMargin:fullTopM];
    }

    if (fullBottomM > [src bottomMargin])
    {
        [src setBottomMargin:fullBottomM];
    }
}

// In AppKit Printing, the rectangle is always oriented. In AppKit Printing, setting
//  the rectangle will always set the orientation.
// In java printing, the rectangle is oriented if accessed from PageFormat. It is
//  not oriented when accessed from Paper.

static void nsPrintInfoToJavaPaper(JNIEnv* env, NSPrintInfo* src, jobject dst)
{
    static JNF_MEMBER_CACHE(jm_setSize, sjc_Paper, "setSize", "(DD)V");
    static JNF_MEMBER_CACHE(jm_setImageableArea, sjc_Paper, "setImageableArea", "(DDDD)V");

    jdouble jPaperW, jPaperH;

    // NSPrintInfo paperSize is oriented. java Paper is not oriented. Take
    //  the -[NSPrintInfo orientation] into account when setting the Paper
    //  rectangle.

    NSSize paperSize = [src paperSize];
    switch ([src orientation]) {
        case NSPortraitOrientation:
            jPaperW = paperSize.width;
            jPaperH = paperSize.height;
            break;

        case NSLandscapeOrientation:
            jPaperW = paperSize.height;
            jPaperH = paperSize.width;
            break;

        default:
            jPaperW = paperSize.width;
            jPaperH = paperSize.height;
            break;
    }

    JNFCallVoidMethod(env, dst, jm_setSize, jPaperW, jPaperH); // AWT_THREADING Safe (known object - always actual Paper)

    // Set the imageable area from the margins
    CGFloat leftM = [src leftMargin];
    CGFloat rightM = [src rightMargin];
    CGFloat topM = [src topMargin];
    CGFloat bottomM = [src bottomMargin];

    jdouble jImageX = leftM;
    jdouble jImageY = topM;
    jdouble jImageW = jPaperW - (leftM + rightM);
    jdouble jImageH = jPaperH - (topM + bottomM);

    JNFCallVoidMethod(env, dst, jm_setImageableArea, jImageX, jImageY, jImageW, jImageH); // AWT_THREADING Safe (known object - always actual Paper)
}

static void javaPaperToNSPrintInfo(JNIEnv* env, jobject src, NSPrintInfo* dst)
{
    AWT_ASSERT_NOT_APPKIT_THREAD;

    static JNF_MEMBER_CACHE(jm_getWidth, sjc_Paper, "getWidth", "()D");
    static JNF_MEMBER_CACHE(jm_getHeight, sjc_Paper, "getHeight", "()D");
    static JNF_MEMBER_CACHE(jm_getImageableX, sjc_Paper, "getImageableX", "()D");
    static JNF_MEMBER_CACHE(jm_getImageableY, sjc_Paper, "getImageableY", "()D");
    static JNF_MEMBER_CACHE(jm_getImageableW, sjc_Paper, "getImageableWidth", "()D");
    static JNF_MEMBER_CACHE(jm_getImageableH, sjc_Paper, "getImageableHeight", "()D");

    // java Paper is always Portrait oriented. Set NSPrintInfo with this
    //  rectangle, and it's orientation may change. If necessary, be sure to call
    //  -[NSPrintInfo setOrientation] after this call, which will then
    //  adjust the -[NSPrintInfo paperSize] as well.

    jdouble jPhysicalWidth = JNFCallDoubleMethod(env, src, jm_getWidth); // AWT_THREADING Safe (!appKit)
    jdouble jPhysicalHeight = JNFCallDoubleMethod(env, src, jm_getHeight); // AWT_THREADING Safe (!appKit)

    [dst setPaperSize:NSMakeSize(jPhysicalWidth, jPhysicalHeight)];

    // Set the margins from the imageable area
    jdouble jImageX = JNFCallDoubleMethod(env, src, jm_getImageableX); // AWT_THREADING Safe (!appKit)
    jdouble jImageY = JNFCallDoubleMethod(env, src, jm_getImageableY); // AWT_THREADING Safe (!appKit)
    jdouble jImageW = JNFCallDoubleMethod(env, src, jm_getImageableW); // AWT_THREADING Safe (!appKit)
    jdouble jImageH = JNFCallDoubleMethod(env, src, jm_getImageableH); // AWT_THREADING Safe (!appKit)

    [dst setLeftMargin:(CGFloat)jImageX];
    [dst setTopMargin:(CGFloat)jImageY];
    [dst setRightMargin:(CGFloat)(jPhysicalWidth - jImageW - jImageX)];
    [dst setBottomMargin:(CGFloat)(jPhysicalHeight - jImageH - jImageY)];
}

static void nsPrintInfoToJavaPageFormat(JNIEnv* env, NSPrintInfo* src, jobject dst)
{
    AWT_ASSERT_NOT_APPKIT_THREAD;

    static JNF_MEMBER_CACHE(jm_setOrientation, sjc_PageFormat, "setOrientation", "(I)V");
    static JNF_MEMBER_CACHE(jm_setPaper, sjc_PageFormat, "setPaper", "(Ljava/awt/print/Paper;)V");
    static JNF_CTOR_CACHE(jm_Paper_ctor, sjc_Paper, "()V");

    jint jOrientation;
    NSPrintingOrientation nsOrientation = [src orientation];
    switch (nsOrientation) {
        case NSPortraitOrientation:
            jOrientation = java_awt_print_PageFormat_PORTRAIT;
            break;

        case NSLandscapeOrientation:
            jOrientation = java_awt_print_PageFormat_LANDSCAPE; //+++gdb Are LANDSCAPE and REVERSE_LANDSCAPE still inverted?
            break;

/*
        // AppKit printing doesn't support REVERSE_LANDSCAPE. Radar 2960295.
        case NSReverseLandscapeOrientation:
            jOrientation = java_awt_print_PageFormat.REVERSE_LANDSCAPE; //+++gdb Are LANDSCAPE and REVERSE_LANDSCAPE still inverted?
            break;
*/

        default:
            jOrientation = java_awt_print_PageFormat_PORTRAIT;
            break;
    }

    JNFCallVoidMethod(env, dst, jm_setOrientation, jOrientation); // AWT_THREADING Safe (!appKit)

    // Create a new Paper
    jobject paper = JNFNewObject(env, jm_Paper_ctor); // AWT_THREADING Safe (known object)

    nsPrintInfoToJavaPaper(env, src, paper);

    // Set the Paper in the PageFormat
    JNFCallVoidMethod(env, dst, jm_setPaper, paper); // AWT_THREADING Safe (!appKit)

    (*env)->DeleteLocalRef(env, paper);
}

static void javaPageFormatToNSPrintInfo(JNIEnv* env, jobject srcPrintJob, jobject srcPageFormat, NSPrintInfo* dstPrintInfo)
{
    AWT_ASSERT_NOT_APPKIT_THREAD;

    static JNF_MEMBER_CACHE(jm_getOrientation, sjc_PageFormat, "getOrientation", "()I");
    static JNF_MEMBER_CACHE(jm_getPaper, sjc_PageFormat, "getPaper", "()Ljava/awt/print/Paper;");
    static JNF_MEMBER_CACHE(jm_getPrinterName, sjc_CPrinterJob, "getPrinterName", "()Ljava/lang/String;");

    // When setting page information (orientation, size) in NSPrintInfo, set the
    //  rectangle first. This is because setting the orientation will change the
    //  rectangle to match.

    // Set up the paper. This will force Portrait since java Paper is
    //  not oriented. Then setting the NSPrintInfo orientation below
    //  will flip NSPrintInfo's info as necessary.
    jobject paper = JNFCallObjectMethod(env, srcPageFormat, jm_getPaper); // AWT_THREADING Safe (!appKit)
    javaPaperToNSPrintInfo(env, paper, dstPrintInfo);
    (*env)->DeleteLocalRef(env, paper);

    switch (JNFCallIntMethod(env, srcPageFormat, jm_getOrientation)) { // AWT_THREADING Safe (!appKit)
        case java_awt_print_PageFormat_PORTRAIT:
            [dstPrintInfo setOrientation:NSPortraitOrientation];
            break;

        case java_awt_print_PageFormat_LANDSCAPE:
            [dstPrintInfo setOrientation:NSLandscapeOrientation]; //+++gdb Are LANDSCAPE and REVERSE_LANDSCAPE still inverted?
            break;

        // AppKit printing doesn't support REVERSE_LANDSCAPE. Radar 2960295.
        case java_awt_print_PageFormat_REVERSE_LANDSCAPE:
            [dstPrintInfo setOrientation:NSLandscapeOrientation]; //+++gdb Are LANDSCAPE and REVERSE_LANDSCAPE still inverted?
            break;

        default:
            [dstPrintInfo setOrientation:NSPortraitOrientation];
            break;
    }

    // <rdar://problem/4022422> NSPrinterInfo is not correctly set to the selected printer
    // from the Java side of CPrinterJob. Has always assumed the default printer was the one we wanted.
    if (srcPrintJob == NULL) return;
    jobject printerNameObj = JNFCallObjectMethod(env, srcPrintJob, jm_getPrinterName);
    if (printerNameObj == NULL) return;
    NSString *printerName = JNFJavaToNSString(env, printerNameObj);
    if (printerName == nil) return;
    NSPrinter *printer = [NSPrinter printerWithName:printerName];
    if (printer == nil) return;
    [dstPrintInfo setPrinter:printer];
}

static void nsPrintInfoToJavaPrinterJob(JNIEnv* env, NSPrintInfo* src, jobject dstPrinterJob, jobject dstPageable)
{
    static JNF_MEMBER_CACHE(jm_setService, sjc_CPrinterJob, "setPrinterServiceFromNative", "(Ljava/lang/String;)V");
    static JNF_MEMBER_CACHE(jm_setCopies, sjc_CPrinterJob, "setCopies", "(I)V");
    static JNF_MEMBER_CACHE(jm_setCollated, sjc_CPrinterJob, "setCollated", "(Z)V");
    static JNF_MEMBER_CACHE(jm_setPageRange, sjc_CPrinterJob, "setPageRange", "(II)V");

    // get the selected printer's name, and set the appropriate PrintService on the Java side
    NSString *name = [[src printer] name];
    jstring printerName = JNFNSToJavaString(env, name);
    JNFCallVoidMethod(env, dstPrinterJob, jm_setService, printerName);


    NSMutableDictionary* printingDictionary = [src dictionary];

    NSNumber* nsCopies = [printingDictionary objectForKey:NSPrintCopies];
    if ([nsCopies respondsToSelector:@selector(integerValue)])
    {
        JNFCallVoidMethod(env, dstPrinterJob, jm_setCopies, [nsCopies integerValue]); // AWT_THREADING Safe (known object)
    }

    NSNumber* nsCollated = [printingDictionary objectForKey:NSPrintMustCollate];
    if ([nsCollated respondsToSelector:@selector(boolValue)])
    {
        JNFCallVoidMethod(env, dstPrinterJob, jm_setCollated, [nsCollated boolValue] ? JNI_TRUE : JNI_FALSE); // AWT_THREADING Safe (known object)
    }

    NSNumber* nsPrintAllPages = [printingDictionary objectForKey:NSPrintAllPages];
    if ([nsPrintAllPages respondsToSelector:@selector(boolValue)])
    {
        jint jFirstPage = 0, jLastPage = java_awt_print_Pageable_UNKNOWN_NUMBER_OF_PAGES;
        if (![nsPrintAllPages boolValue])
        {
            NSNumber* nsFirstPage = [printingDictionary objectForKey:NSPrintFirstPage];
            if ([nsFirstPage respondsToSelector:@selector(integerValue)])
            {
                jFirstPage = [nsFirstPage integerValue] - 1;
            }

            NSNumber* nsLastPage = [printingDictionary objectForKey:NSPrintLastPage];
            if ([nsLastPage respondsToSelector:@selector(integerValue)])
            {
                jLastPage = [nsLastPage integerValue] - 1;
            }
        }

        JNFCallVoidMethod(env, dstPrinterJob, jm_setPageRange, jFirstPage, jLastPage); // AWT_THREADING Safe (known object)
    }
}

static void javaPrinterJobToNSPrintInfo(JNIEnv* env, jobject srcPrinterJob, jobject srcPageable, NSPrintInfo* dst)
{
    AWT_ASSERT_NOT_APPKIT_THREAD;

    static JNF_CLASS_CACHE(jc_Pageable, "java/awt/print/Pageable");
    static JNF_MEMBER_CACHE(jm_getCopies, sjc_CPrinterJob, "getCopiesInt", "()I");
    static JNF_MEMBER_CACHE(jm_isCollated, sjc_CPrinterJob, "isCollated", "()Z");
    static JNF_MEMBER_CACHE(jm_getFromPage, sjc_CPrinterJob, "getFromPageAttrib", "()I");
    static JNF_MEMBER_CACHE(jm_getToPage, sjc_CPrinterJob, "getToPageAttrib", "()I");
    static JNF_MEMBER_CACHE(jm_getSelectAttrib, sjc_CPrinterJob, "getSelectAttrib", "()I");
    static JNF_MEMBER_CACHE(jm_getNumberOfPages, jc_Pageable, "getNumberOfPages", "()I");
    static JNF_MEMBER_CACHE(jm_getPageFormat, sjc_CPrinterJob, "getPageFormatFromAttributes", "()Ljava/awt/print/PageFormat;");

    NSMutableDictionary* printingDictionary = [dst dictionary];

    jint copies = JNFCallIntMethod(env, srcPrinterJob, jm_getCopies); // AWT_THREADING Safe (known object)
    [printingDictionary setObject:[NSNumber numberWithInteger:copies] forKey:NSPrintCopies];

    jboolean collated = JNFCallBooleanMethod(env, srcPrinterJob, jm_isCollated); // AWT_THREADING Safe (known object)
    [printingDictionary setObject:[NSNumber numberWithBool:collated ? YES : NO] forKey:NSPrintMustCollate];
    jint jNumPages = JNFCallIntMethod(env, srcPageable, jm_getNumberOfPages); // AWT_THREADING Safe (!appKit)
    if (jNumPages != java_awt_print_Pageable_UNKNOWN_NUMBER_OF_PAGES)
    {
        jint selectID = JNFCallIntMethod(env, srcPrinterJob, jm_getSelectAttrib);
        if (selectID ==0) {
            [printingDictionary setObject:[NSNumber numberWithBool:YES] forKey:NSPrintAllPages];
        } else if (selectID == 2) {
            // In Mac 10.7,  Print ALL is deselected if PrintSelection is YES whether
            // NSPrintAllPages is YES or NO
            [printingDictionary setObject:[NSNumber numberWithBool:NO] forKey:NSPrintAllPages];
            [printingDictionary setObject:[NSNumber numberWithBool:YES] forKey:NSPrintSelectionOnly];
        } else {
            [printingDictionary setObject:[NSNumber numberWithBool:NO] forKey:NSPrintAllPages];
        }

        jint fromPage = JNFCallIntMethod(env, srcPrinterJob, jm_getFromPage);
        jint toPage = JNFCallIntMethod(env, srcPrinterJob, jm_getToPage);
        // setting fromPage and toPage will not be shown in the dialog if printing All pages
        [printingDictionary setObject:[NSNumber numberWithInteger:fromPage] forKey:NSPrintFirstPage];
        [printingDictionary setObject:[NSNumber numberWithInteger:toPage] forKey:NSPrintLastPage];
    }
    else
    {
        [printingDictionary setObject:[NSNumber numberWithBool:YES] forKey:NSPrintAllPages];
    }
    jobject page = JNFCallObjectMethod(env, srcPrinterJob, jm_getPageFormat); 
    if (page != NULL) {
        javaPageFormatToNSPrintInfo(env, NULL, page, dst);
    }
}

/*
 * Class:     sun_lwawt_macosx_CPrinterJob
 * Method:    abortDoc
 * Signature: ()V
 */
JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPrinterJob_abortDoc
  (JNIEnv *env, jobject jthis)
{
JNF_COCOA_ENTER(env);
    // This is only called during the printLoop from the printLoop thread
    NSPrintOperation* printLoop = [NSPrintOperation currentOperation];
    NSPrintInfo* printInfo = [printLoop printInfo];
    [printInfo setJobDisposition:NSPrintCancelJob];
JNF_COCOA_EXIT(env);
}

/*
 * Class:     sun_lwawt_macosx_CPrinterJob
 * Method:    getDefaultPage
 * Signature: (Ljava/awt/print/PageFormat;)V
 */
JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPrinterJob_getDefaultPage
  (JNIEnv *env, jobject jthis, jobject page)
{
JNF_COCOA_ENTER(env);
    NSPrintInfo* printInfo = createDefaultNSPrintInfo(env, NULL);

    nsPrintInfoToJavaPageFormat(env, printInfo, page);

    [printInfo release];
JNF_COCOA_EXIT(env);
}

/*
 * Class:     sun_lwawt_macosx_CPrinterJob
 * Method:    validatePaper
 * Signature: (Ljava/awt/print/Paper;Ljava/awt/print/Paper;)V
 */
JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPrinterJob_validatePaper
  (JNIEnv *env, jobject jthis, jobject origpaper, jobject newpaper)
{
JNF_COCOA_ENTER(env);

    NSPrintInfo* printInfo = createDefaultNSPrintInfo(env, NULL);
    javaPaperToNSPrintInfo(env, origpaper, printInfo);
    makeBestFit(printInfo);
    nsPrintInfoToJavaPaper(env, printInfo, newpaper);
    [printInfo release];

JNF_COCOA_EXIT(env);
}

/*
 * Class:     sun_lwawt_macosx_CPrinterJob
 * Method:    createNSPrintInfo
 * Signature: ()J
 */
JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CPrinterJob_createNSPrintInfo
  (JNIEnv *env, jobject jthis)
{
    jlong result = -1;
JNF_COCOA_ENTER(env);
    // This is used to create the NSPrintInfo for this PrinterJob. Thread
    //  safety is assured by the java side of this call.

    NSPrintInfo* printInfo = createDefaultNSPrintInfo(env, NULL);
    if (printInfo) CFRetain(printInfo); // GC
    [printInfo release];

    result = ptr_to_jlong(printInfo);

JNF_COCOA_EXIT(env);
    return result;
}

/*
 * Class:     sun_lwawt_macosx_CPrinterJob
 * Method:    dispose
 * Signature: (J)V
 */
JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPrinterJob_dispose
  (JNIEnv *env, jobject jthis, jlong nsPrintInfo)
{
JNF_COCOA_ENTER(env);
    if (nsPrintInfo != -1)
    {
        NSPrintInfo* printInfo = (NSPrintInfo*)jlong_to_ptr(nsPrintInfo);
        if (printInfo) CFRelease(printInfo); // GC
    }
JNF_COCOA_EXIT(env);
}


/*
 * Class:     sun_lwawt_macosx_CPrinterJob
 * Method:    printLoop
 * Signature: ()V
 */
JNIEXPORT jboolean JNICALL Java_sun_lwawt_macosx_CPrinterJob_printLoop
  (JNIEnv *env, jobject jthis, jboolean blocks, jint firstPage, jint lastPage)
{
    AWT_ASSERT_NOT_APPKIT_THREAD;

    static JNF_MEMBER_CACHE(jm_getPageFormat, sjc_CPrinterJob, "getPageFormat", "(I)Ljava/awt/print/PageFormat;");
    static JNF_MEMBER_CACHE(jm_getPageFormatArea, sjc_CPrinterJob, "getPageFormatArea", "(Ljava/awt/print/PageFormat;)Ljava/awt/geom/Rectangle2D;");
    static JNF_MEMBER_CACHE(jm_getPrinterName, sjc_CPrinterJob, "getPrinterName", "()Ljava/lang/String;");
    static JNF_MEMBER_CACHE(jm_getPageable, sjc_CPrinterJob, "getPageable", "()Ljava/awt/print/Pageable;");

    jboolean retVal = JNI_FALSE;

JNF_COCOA_ENTER(env);
    // Get the first page's PageFormat for setting things up (This introduces
    //  and is a facet of the same problem in Radar 2818593/2708932).
    jobject page = JNFCallObjectMethod(env, jthis, jm_getPageFormat, 0); // AWT_THREADING Safe (!appKit)
    if (page != NULL) {
        jobject pageFormatArea = JNFCallObjectMethod(env, jthis, jm_getPageFormatArea, page); // AWT_THREADING Safe (!appKit)

        PrinterView* printerView = [[PrinterView alloc] initWithFrame:JavaToNSRect(env, pageFormatArea) withEnv:env withPrinterJob:jthis];
        [printerView setFirstPage:firstPage lastPage:lastPage];

        NSPrintInfo* printInfo = (NSPrintInfo*)jlong_to_ptr(JNFCallLongMethod(env, jthis, sjm_getNSPrintInfo)); // AWT_THREADING Safe (known object)

        // <rdar://problem/4156975> passing jthis CPrinterJob as well, so we can extract the printer name from the current job
        javaPageFormatToNSPrintInfo(env, jthis, page, printInfo);

        // <rdar://problem/4093799> NSPrinterInfo is not correctly set to the selected printer
        // from the Java side of CPrinterJob. Had always assumed the default printer was the one we wanted.
        jobject printerNameObj = JNFCallObjectMethod(env, jthis, jm_getPrinterName);
        if (printerNameObj != NULL) {
            NSString *printerName = JNFJavaToNSString(env, printerNameObj);
            if (printerName != nil) {
                NSPrinter *printer = [NSPrinter printerWithName:printerName];
                if (printer != nil) [printInfo setPrinter:printer];
            }
        }

        // <rdar://problem/4367998> JTable.print attributes are ignored
        jobject pageable = JNFCallObjectMethod(env, jthis, jm_getPageable); // AWT_THREADING Safe (!appKit)
        javaPrinterJobToNSPrintInfo(env, jthis, pageable, printInfo);

        PrintModel* printModel = [[PrintModel alloc] initWithPrintInfo:printInfo];

        (void)[printModel runPrintLoopWithView:printerView waitUntilDone:blocks withEnv:env];

        // Only set this if we got far enough to call runPrintLoopWithView, or we will spin CPrinterJob.print() forever!
        retVal = JNI_TRUE;

        [printModel release];
        [printerView release];

        if (page != NULL)
        {
            (*env)->DeleteLocalRef(env, page);
        }

        if (pageFormatArea != NULL)
        {
            (*env)->DeleteLocalRef(env, pageFormatArea);
        }
    }
JNF_COCOA_EXIT(env);
    return retVal;
}

/*
 * Class:     sun_lwawt_macosx_CPrinterPageDialog
 * Method:    showDialog
 * Signature: ()Z
 */
JNIEXPORT jboolean JNICALL Java_sun_lwawt_macosx_CPrinterPageDialog_showDialog
  (JNIEnv *env, jobject jthis)
{

    static JNF_CLASS_CACHE(jc_CPrinterPageDialog, "sun/lwawt/macosx/CPrinterPageDialog");
    static JNF_MEMBER_CACHE(jm_page, jc_CPrinterPageDialog, "fPage", "Ljava/awt/print/PageFormat;");

    jboolean result = JNI_FALSE;
JNF_COCOA_ENTER(env);
    jobject printerJob = JNFGetObjectField(env, jthis, sjm_printerJob);
    NSPrintInfo* printInfo = (NSPrintInfo*)jlong_to_ptr(JNFCallLongMethod(env, printerJob, sjm_getNSPrintInfo)); // AWT_THREADING Safe (known object)

    jobject page = JNFGetObjectField(env, jthis, jm_page);

    // <rdar://problem/4156975> passing NULL, because only a CPrinterJob has a real printer associated with it
    javaPageFormatToNSPrintInfo(env, NULL, page, printInfo);

    PrintModel* printModel = [[PrintModel alloc] initWithPrintInfo:printInfo];
    result = [printModel runPageSetup];
    [printModel release];

    if (result)
    {
        nsPrintInfoToJavaPageFormat(env, printInfo, page);
    }

    if (printerJob != NULL)
    {
        (*env)->DeleteLocalRef(env, printerJob);
    }

    if (page != NULL)
    {
        (*env)->DeleteLocalRef(env, page);
    }

JNF_COCOA_EXIT(env);
    return result;
}

/*
 * Class:     sun_lwawt_macosx_CPrinterJobDialog
 * Method:    showDialog
 * Signature: ()Z
 */
JNIEXPORT jboolean JNICALL Java_sun_lwawt_macosx_CPrinterJobDialog_showDialog
  (JNIEnv *env, jobject jthis)
{
    static JNF_CLASS_CACHE(jc_CPrinterJobDialog, "sun/lwawt/macosx/CPrinterJobDialog");
    static JNF_MEMBER_CACHE(jm_pageable, jc_CPrinterJobDialog, "fPageable", "Ljava/awt/print/Pageable;");

    jboolean result = JNI_FALSE;
JNF_COCOA_ENTER(env);
    jobject printerJob = JNFGetObjectField(env, jthis, sjm_printerJob);
    NSPrintInfo* printInfo = (NSPrintInfo*)jlong_to_ptr(JNFCallLongMethod(env, printerJob, sjm_getNSPrintInfo)); // AWT_THREADING Safe (known object)

    jobject pageable = JNFGetObjectField(env, jthis, jm_pageable);

    javaPrinterJobToNSPrintInfo(env, printerJob, pageable, printInfo);

    PrintModel* printModel = [[PrintModel alloc] initWithPrintInfo:printInfo];
    result = [printModel runJobSetup];
    [printModel release];

    if (result)
    {
        nsPrintInfoToJavaPrinterJob(env, printInfo, printerJob, pageable);
    }

    if (printerJob != NULL)
    {
        (*env)->DeleteLocalRef(env, printerJob);
    }

    if (pageable != NULL)
    {
        (*env)->DeleteLocalRef(env, pageable);
    }

JNF_COCOA_EXIT(env);
    return result;
}

Other Java examples (source code examples)

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