QtPrintSupport: Move plugin access of QPrinterInfo internals to base

Move all plugin methods requiring access to QPrinterInfo internals
into the plugin base class, and remove the plugin classes as friends
from QPrinterInfo.

Change-Id: Ic527efc681e198abf19e038dd77c36bb8017d049
Reviewed-by: Teemu Katajisto <teemu.katajisto@digia.com>
Reviewed-by: John Layt <jlayt@kde.org>

8 files changed, 31 insertions, 47 deletions

diff --git a/src/plugins/platforms/cocoa/qcocoaprintersupport.mm b/src/plugins/platforms/cocoa/qcocoaprintersupport.mm
index b77d5a20ea..ed436844cb 100644
--- a/src/plugins/platforms/cocoa/qcocoaprintersupport.mm
+++ b/src/plugins/platforms/cocoa/qcocoaprintersupport.mm
@@ -128,14 +128,13 @@ QPrinterInfo QCocoaPrinterSupport::printerInfoFromPMPrinter(const PMPrinter &pri
     if (!printer)
         return QPrinterInfo();
 
-    QPrinterInfo pi = QPrinterInfo(QCFString::toQString(PMPrinterGetID(printer)));
-
-    pi.d_func()->description = QCFString::toQString(PMPrinterGetName(printer));
-    pi.d_func()->location = QCFString::toQString(PMPrinterGetLocation(printer));
-    CFStringRef makeAndModel;
-    PMPrinterGetMakeAndModelName(printer, &makeAndModel);
-    pi.d_func()->makeAndModel = QCFString::toQString(makeAndModel);
-    pi.d_func()->isDefault = PMPrinterIsDefault(printer);
-
-    return pi;
+    QString name = QCFString::toQString(PMPrinterGetID(printer));
+    QString description = QCFString::toQString(PMPrinterGetName(printer));
+    QString location = QCFString::toQString(PMPrinterGetLocation(printer));
+    CFStringRef cfMakeAndModel;
+    PMPrinterGetMakeAndModelName(printer, &cfMakeAndModel);
+    QString makeAndModel = QCFString::toQString(cfMakeAndModel);
+    bool isDefault = PMPrinterIsDefault(printer);
+
+    return createPrinterInfo(name, description, location, makeAndModel, isDefault, 0);
 }
diff --git a/src/plugins/printsupport/cups/qcupsprintersupport.cpp b/src/plugins/printsupport/cups/qcupsprintersupport.cpp
index 279c26ad72..83d4068d16 100644
--- a/src/plugins/printsupport/cups/qcupsprintersupport.cpp
+++ b/src/plugins/printsupport/cups/qcupsprintersupport.cpp
@@ -71,29 +71,17 @@ QPaintEngine *QCupsPrinterSupport::createPaintEngine(QPrintEngine *engine, QPrin
 
 QList<QPrinter::PaperSize> QCupsPrinterSupport::supportedPaperSizes(const QPrinterInfo &printerInfo) const
 {
-    return QCUPSSupport::getCupsPrinterPaperSizes(printerInfoCupsPrinterIndex(printerInfo));
+    return QCUPSSupport::getCupsPrinterPaperSizes(printerIndex(printerInfo));
 }
 
 QList<QPrinterInfo> QCupsPrinterSupport::availablePrinters()
 {
     QList<QPrinterInfo> printers;
     foreach (const QCUPSSupport::Printer &p,  QCUPSSupport::availableUnixPrinters()) {
-        QPrinterInfo printer(p.name);
-        printer.d_func()->isDefault = p.isDefault;
-        setPrinterInfoCupsPrinterIndex(&printer, p.cupsPrinterIndex);
+        QPrinterInfo printer = createPrinterInfo(p.name, QString(), QString(), QString(), p.isDefault, p.cupsPrinterIndex);
         printers.append(printer);
     }
     return printers;
 }
 
-int QCupsPrinterSupport::printerInfoCupsPrinterIndex(const QPrinterInfo &p)
-{
-    return p.isNull() ? -1 : p.d_func()->cupsPrinterIndex;
-}
-
-void QCupsPrinterSupport::setPrinterInfoCupsPrinterIndex(QPrinterInfo *p, int index)
-{
-    p->d_func()->cupsPrinterIndex = index;
-}
-
 QT_END_NAMESPACE
diff --git a/src/plugins/printsupport/cups/qcupsprintersupport_p.h b/src/plugins/printsupport/cups/qcupsprintersupport_p.h
index 81887e3dd8..13b65a5cb5 100644
--- a/src/plugins/printsupport/cups/qcupsprintersupport_p.h
+++ b/src/plugins/printsupport/cups/qcupsprintersupport_p.h
@@ -60,8 +60,6 @@ public:
     virtual QList<QPrinterInfo> availablePrinters();
 
 private:
-    static int printerInfoCupsPrinterIndex(const QPrinterInfo &p);
-    static void setPrinterInfoCupsPrinterIndex(QPrinterInfo *p, int index);
 };
 
 QT_END_NAMESPACE
diff --git a/src/plugins/printsupport/windows/qwindowsprintersupport.cpp b/src/plugins/printsupport/windows/qwindowsprintersupport.cpp
index 476889890d..3715aa1da9 100644
--- a/src/plugins/printsupport/windows/qwindowsprintersupport.cpp
+++ b/src/plugins/printsupport/windows/qwindowsprintersupport.cpp
@@ -64,10 +64,8 @@ QWindowsPrinterSupport::QWindowsPrinterSupport()
             QWin32PrintEngine::queryDefaultPrinter(defaultPrinterName, program, port);
             for (uint i = 0; i < returned; ++i) {
                 QString printerName(QString::fromWCharArray(infoList[i].pPrinterName));
-
-                QPrinterInfo printerInfo(printerName);
-                if (printerInfo.printerName() == defaultPrinterName)
-                    printerInfo.d_ptr->isDefault = true;
+                bool isDefault = (printerName == defaultPrinterName);
+                QPrinterInfo printerInfo = createPrinterInfo(printerName, QString(), QString(), QString(), isDefault, i);
                 mPrinterList.append(printerInfo);
             }
         }
diff --git a/src/printsupport/kernel/qplatformprintersupport.h b/src/printsupport/kernel/qplatformprintersupport.h
index 910eafacb6..074405f0cd 100644
--- a/src/printsupport/kernel/qplatformprintersupport.h
+++ b/src/printsupport/kernel/qplatformprintersupport.h
@@ -79,8 +79,10 @@ public:
     static QSizeF convertPaperSizeToQSizeF(QPrinter::PaperSize paperSize);
 
 protected:
-     static void setPrinterInfoDefault(QPrinterInfo *p, bool isDefault);
-     static bool printerInfoIsDefault(const QPrinterInfo &p);
+    static int printerIndex(const QPrinterInfo &printer);
+    static QPrinterInfo createPrinterInfo(const QString &name, const QString &description,
+                                          const QString &location, const QString &makeAndModel,
+                                          bool isDefault, int index);
 };
 
 #endif // QT_NO_PRINTER
diff --git a/src/printsupport/kernel/qplatformprintersupport_qpa.cpp b/src/printsupport/kernel/qplatformprintersupport_qpa.cpp
index 7bf2b291d0..d6ffd9b7fc 100644
--- a/src/printsupport/kernel/qplatformprintersupport_qpa.cpp
+++ b/src/printsupport/kernel/qplatformprintersupport_qpa.cpp
@@ -107,14 +107,22 @@ QPrinterInfo QPlatformPrinterSupport::printerInfo(const QString &printerName)
     return QPrinterInfo();
 }
 
-void QPlatformPrinterSupport::setPrinterInfoDefault(QPrinterInfo *p, bool isDefault)
+int QPlatformPrinterSupport::printerIndex(const QPrinterInfo &printer)
 {
-    p->d_func()->isDefault = isDefault;
+    return printer.d_func()->index;
 }
 
-bool QPlatformPrinterSupport::printerInfoIsDefault(const QPrinterInfo &p)
+QPrinterInfo QPlatformPrinterSupport::createPrinterInfo(const QString &name, const QString &description,
+                                                        const QString &location, const QString &makeAndModel,
+                                                        bool isDefault, int index)
 {
-    return p.d_func()->isDefault;
+    QPrinterInfo printer(name);
+    printer.d_func()->description = description;
+    printer.d_func()->location = location;
+    printer.d_func()->makeAndModel = makeAndModel;
+    printer.d_func()->isDefault = isDefault;
+    printer.d_func()->index = index;
+    return printer;
 }
 
 /*
diff --git a/src/printsupport/kernel/qprinterinfo.h b/src/printsupport/kernel/qprinterinfo.h
index 9370890639..44ca1fcae2 100644
--- a/src/printsupport/kernel/qprinterinfo.h
+++ b/src/printsupport/kernel/qprinterinfo.h
@@ -83,9 +83,6 @@ private:
 
 private:
     friend class QPlatformPrinterSupport;
-    friend class QWindowsPrinterSupport;
-    friend class QCocoaPrinterSupport;
-    friend class QCupsPrinterSupport;
     Q_DECLARE_PRIVATE(QPrinterInfo)
     QScopedPointer<QPrinterInfoPrivate, QPrinterInfoPrivateDeleter> d_ptr;
 };
diff --git a/src/printsupport/kernel/qprinterinfo_p.h b/src/printsupport/kernel/qprinterinfo_p.h
index 6e1c088f79..97f0986b66 100644
--- a/src/printsupport/kernel/qprinterinfo_p.h
+++ b/src/printsupport/kernel/qprinterinfo_p.h
@@ -65,11 +65,7 @@ class QPrinterInfoPrivate
 {
 public:
     QPrinterInfoPrivate(const QString& name = QString()) :
-        name(name), isDefault(false)
-#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY)
-        , cupsPrinterIndex(0)
-#endif
-        , hasPaperSizes(false)
+        name(name), isDefault(false), index(-1), hasPaperSizes(false)
     {}
     ~QPrinterInfoPrivate()
     {}
@@ -81,10 +77,8 @@ public:
     QString location;
     QString makeAndModel;
     bool isDefault;
+    int index;  // Internal printer plugin use only
 
-#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY)
-    int cupsPrinterIndex;
-#endif
     mutable bool hasPaperSizes;
     mutable QList<QPrinter::PaperSize> paperSizes;
 };