Long live Qt for S60!

1 files changed, 145 insertions, 0 deletions

diff --git a/src/corelib/kernel/qcore_symbian_p.cpp b/src/corelib/kernel/qcore_symbian_p.cpp
new file mode 100644
index 0000000..19c1510
--- /dev/null
+++ b/src/corelib/kernel/qcore_symbian_p.cpp
@@ -0,0 +1,145 @@
+/****************************************************************************
+**
+** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the $MODULE$ of the Qt Toolkit.
+**
+** $TROLLTECH_DUAL_EMBEDDED_LICENSE$
+**
+****************************************************************************/
+
+#include <e32base.h>
+#include <e32uid.h>
+#include "qcore_symbian_p.h"
+
+QT_BEGIN_NAMESPACE
+
+/*
+    Helper function for calling into Symbian classes that expect a TDes&.
+    This function converts a QString to a TDes by allocating memory that
+    must be deleted by the caller.
+*/
+
+Q_CORE_EXPORT HBufC* qt_QString2HBufCNewL(const QString& aString)
+{
+    HBufC *buffer;
+#ifdef QT_NO_UNICODE
+    TPtrC8 ptr(reinterpret_cast<const TUint8*>(aString.toLocal8Bit().constData()));
+    buffer = HBufC8::NewL(ptr.Length());
+    buffer->Des().Copy(ptr);
+#else
+    TPtrC16 ptr(reinterpret_cast<const TUint16*>(aString.utf16()));
+    buffer = HBufC16::NewL(ptr.Length());
+    buffer->Des().Copy(ptr);
+#endif
+    return buffer;
+}
+
+Q_CORE_EXPORT QString qt_TDesC2QStringL(const TDesC& aDescriptor)
+{
+#ifdef QT_NO_UNICODE
+    return QString::fromLocal8Bit(aDescriptor.Ptr(), aDescriptor.Length());
+#else
+    return QString::fromUtf16(aDescriptor.Ptr(), aDescriptor.Length());
+#endif
+}
+
+QHBufC::QHBufC()
+    : m_hBufC(0)
+{
+}
+
+QHBufC::QHBufC(const QHBufC &src)
+{
+    m_hBufC = src.m_hBufC->AllocL();
+}
+
+/*!
+  \internal
+  Constructs a QHBufC from an HBufC. Note that the QHBufC instance takes
+  ownership of the HBufC.
+*/
+QHBufC::QHBufC(HBufC *src)
+    : m_hBufC(src)
+{
+}
+
+QHBufC::QHBufC(const QString &src)
+{
+    m_hBufC = qt_QString2HBufCNewL(src);
+}
+
+QHBufC::~QHBufC()
+{
+    if (m_hBufC)
+        delete m_hBufC;
+}
+
+class QS60PluginResolver
+{
+public:
+    QS60PluginResolver()
+        : initTried(false) {}
+
+    ~QS60PluginResolver() {
+        lib.Close();
+    }
+
+    TLibraryFunction resolve(int ordinal) {
+        if (!initTried) {
+            init();
+            initTried = true;
+        }
+
+        if (lib.Handle())
+            return lib.Lookup(ordinal);
+        else
+            return reinterpret_cast<TLibraryFunction>(NULL);
+    }
+
+private:
+    void init() {
+        _LIT(KLibName_3_1, "qts60plugin_3_1.dll");
+        _LIT(KLibName_3_2, "qts60plugin_3_2.dll");
+        _LIT(KLibName_5_0, "qts60plugin_5_0.dll");
+        TPtrC libName;
+        TInt uidValue;
+        switch (QSysInfo::s60Version()) {
+        case QSysInfo::SV_S60_3_1:
+            libName.Set(KLibName_3_1);
+            uidValue = 0x2001E620;
+            break;
+        case QSysInfo::SV_S60_3_2:
+            libName.Set(KLibName_3_2);
+            uidValue = 0x2001E621;
+            break;
+        case QSysInfo::SV_S60_5_0: // Fall through to default
+        default:
+            // Default to 5.0 version, as any unknown platform is likely to be newer than that
+            libName.Set(KLibName_5_0);
+            uidValue = 0x2001E622;
+            break;
+        }
+
+        TUidType libUid(KDynamicLibraryUid, KSharedLibraryUid, TUid::Uid(uidValue));
+        lib.Load(libName, libUid);
+    }
+
+    RLibrary lib;
+    bool initTried;
+};
+
+Q_GLOBAL_STATIC(QS60PluginResolver, qt_s60_plugin_resolver);
+
+/*!
+  \internal
+  Resolves a platform version specific function from S60 plugin.
+  If plugin is missing or resolving fails for another reason, NULL is returned.
+*/
+Q_CORE_EXPORT TLibraryFunction qt_resolveS60PluginFunc(int ordinal)
+{
+    return qt_s60_plugin_resolver()->resolve(ordinal);
+}
+
+QT_END_NAMESPACE