< prev index next >
src/java.desktop/windows/native/libawt/windows/WPrinterJob.cpp
Print this page
@@ -42,11 +42,10 @@
/* constants for DeviceCapability buffer lengths */
#define PAPERNAME_LENGTH 64
#define TRAYNAME_LENGTH 24
-
static BOOL IsSupportedLevel(HANDLE hPrinter, DWORD dwLevel) {
BOOL isSupported = FALSE;
DWORD cbBuf = 0;
LPBYTE pPrinter = NULL;
@@ -115,10 +114,66 @@
}
CATCH_BAD_ALLOC_RET(NULL);
}
+JNIEXPORT jlong JNICALL
+Java_sun_print_PrintServiceLookupProvider_notifyFirstPrinterChange(JNIEnv *env,
+ jobject peer,
+ jstring printer) {
+ HANDLE hPrinter;
+
+ LPTSTR printerName = NULL;
+ if (printer != NULL) {
+ printerName = (LPTSTR)JNU_GetStringPlatformChars(env,
+ printer,
+ NULL);
+ JNU_ReleaseStringPlatformChars(env, printer, printerName);
+ }
+
+ // printerName - "Win NT/2K/XP: If NULL, it indicates the local printer
+ // server" - MSDN. Win9x : OpenPrinter returns 0.
+ BOOL ret = OpenPrinter(printerName, &hPrinter, NULL);
+ if (!ret) {
+ return (jlong)-1;
+ }
+
+ // PRINTER_CHANGE_PRINTER = PRINTER_CHANGE_ADD_PRINTER |
+ // PRINTER_CHANGE_SET_PRINTER |
+ // PRINTER_CHANGE_DELETE_PRINTER |
+ // PRINTER_CHANGE_FAILED_CONNECTION_PRINTER
+ HANDLE chgObj = FindFirstPrinterChangeNotification(hPrinter,
+ PRINTER_CHANGE_PRINTER,
+ 0,
+ NULL);
+ return (chgObj == INVALID_HANDLE_VALUE) ? (jlong)-1 : (jlong)chgObj;
+}
+
+
+
+JNIEXPORT void JNICALL
+Java_sun_print_PrintServiceLookupProvider_notifyClosePrinterChange(JNIEnv *env,
+ jobject peer,
+ jlong chgObject) {
+ FindClosePrinterChangeNotification((HANDLE)chgObject);
+}
+
+
+JNIEXPORT jint JNICALL
+Java_sun_print_PrintServiceLookupProvider_notifyPrinterChange(JNIEnv *env,
+ jobject peer,
+ jlong chgObject) {
+ DWORD dwChange;
+
+ DWORD ret = WaitForSingleObject((HANDLE)chgObject, INFINITE);
+ if (ret == WAIT_OBJECT_0) {
+ return(FindNextPrinterChangeNotification((HANDLE)chgObject,
+ &dwChange, NULL, NULL));
+ } else {
+ return 0;
+ }
+}
JNIEXPORT jobjectArray JNICALL
Java_sun_print_PrintServiceLookupProvider_getAllPrinterNames(JNIEnv *env,
jobject peer)
{
@@ -172,69 +227,82 @@
return nameArray;
CATCH_BAD_ALLOC_RET(NULL);
}
+JNIEXPORT jobjectArray JNICALL
+Java_sun_print_PrintServiceLookupProvider_GetRemotePrintersNames(JNIEnv *env,
+ jobject peer)
+{
+ TRY;
-JNIEXPORT jlong JNICALL
-Java_sun_print_PrintServiceLookupProvider_notifyFirstPrinterChange(JNIEnv *env,
- jobject peer,
- jstring printer) {
- HANDLE hPrinter;
-
- LPTSTR printerName = NULL;
- if (printer != NULL) {
- printerName = (LPTSTR)JNU_GetStringPlatformChars(env,
- printer,
- NULL);
- JNU_ReleaseStringPlatformChars(env, printer, printerName);
- }
+ int remotePrintersCount = 0;
+ DWORD cbNeeded = 0;
+ DWORD cReturned = 0;
+ LPBYTE pPrinterEnum = NULL;
+ LPBYTE pNetworkPrinterLoc = NULL;
- // printerName - "Win NT/2K/XP: If NULL, it indicates the local printer
- // server" - MSDN. Win9x : OpenPrinter returns 0.
- BOOL ret = OpenPrinter(printerName, &hPrinter, NULL);
- if (!ret) {
- return (jlong)-1;
+ jstring utf_str;
+ jclass clazz = env->FindClass("java/lang/String");
+ if (clazz == NULL) {
+ return NULL;
}
+ jobjectArray nameArray;
- // PRINTER_CHANGE_PRINTER = PRINTER_CHANGE_ADD_PRINTER |
- // PRINTER_CHANGE_SET_PRINTER |
- // PRINTER_CHANGE_DELETE_PRINTER |
- // PRINTER_CHANGE_FAILED_CONNECTION_PRINTER
- HANDLE chgObj = FindFirstPrinterChangeNotification(hPrinter,
- PRINTER_CHANGE_PRINTER,
- 0,
- NULL);
- return (chgObj == INVALID_HANDLE_VALUE) ? (jlong)-1 : (jlong)chgObj;
-}
+ try {
+ ::EnumPrinters(PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS,
+ NULL, 4, NULL, 0, &cbNeeded, &cReturned);
+ pPrinterEnum = new BYTE[cbNeeded];
+ pNetworkPrinterLoc = new BYTE[cbNeeded/sizeof(PRINTER_INFO_4)];
+ ::EnumPrinters(PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS,
+ NULL, 4, pPrinterEnum, cbNeeded, &cbNeeded,
+ &cReturned);
+ if (cReturned > 0) {
+ for (DWORD i = 0; i < cReturned; i++) {
+ PRINTER_INFO_4 *info4 = (PRINTER_INFO_4 *) (pPrinterEnum + i * sizeof(PRINTER_INFO_4));
+ // PRINTER_ATTRIBUTE_NETWORK = 0x00000010
+ // Store the network printers indexes
+ if(info4->Attributes & 0x00000010) {
+ pNetworkPrinterLoc[remotePrintersCount++] = i;
+ }
+ }
-JNIEXPORT void JNICALL
-Java_sun_print_PrintServiceLookupProvider_notifyClosePrinterChange(JNIEnv *env,
- jobject peer,
- jlong chgObject) {
- FindClosePrinterChangeNotification((HANDLE)chgObject);
-}
+ // Allocate space only for the network type printers
+ nameArray = env->NewObjectArray(remotePrintersCount, clazz, NULL);
+ if (nameArray == NULL) {
+ throw std::bad_alloc();
+ }
+ } else {
+ nameArray = NULL;
+ }
+ // Loop thro' network printers list only
+ for (int i = 0; i < remotePrintersCount; i++) {
+ PRINTER_INFO_4 *info4 = (PRINTER_INFO_4 *)
+ (pPrinterEnum + pNetworkPrinterLoc[i] * sizeof(PRINTER_INFO_4));
+ utf_str = JNU_NewStringPlatform(env, info4->pPrinterName);
+ if (utf_str == NULL) {
+ throw std::bad_alloc();
+ }
+ env->SetObjectArrayElement(nameArray, i, utf_str);
+ env->DeleteLocalRef(utf_str);
+ }
+ } catch (std::bad_alloc&) {
+ delete [] pPrinterEnum;
+ delete [] pNetworkPrinterLoc;
+ throw;
+ }
-JNIEXPORT jint JNICALL
-Java_sun_print_PrintServiceLookupProvider_notifyPrinterChange(JNIEnv *env,
- jobject peer,
- jlong chgObject) {
- DWORD dwChange;
+ delete [] pPrinterEnum;
+ delete [] pNetworkPrinterLoc;
+ return nameArray;
- DWORD ret = WaitForSingleObject((HANDLE)chgObject, INFINITE);
- if (ret == WAIT_OBJECT_0) {
- return(FindNextPrinterChangeNotification((HANDLE)chgObject,
- &dwChange, NULL, NULL));
- } else {
- return 0;
- }
+ CATCH_BAD_ALLOC_RET(NULL);
}
-
JNIEXPORT jfloatArray JNICALL
Java_sun_print_Win32PrintService_getMediaPrintableArea(JNIEnv *env,
jobject peer,
jstring printer,
jint papersize)
< prev index next >