Merge branch 'master' of git://scm.dev.nokia.troll.no/qt/qt-doc-team

* 'master' of git://scm.dev.nokia.troll.no/qt/qt-doc-team: (106 commits)
  Improved comment finding code.
  Added language information to the pure documentation parser.
  Fixed compile error in qwindowsurface_qws.cpp.
  Fixed regression introduced by 5842d19cf3dff37a85c.
  Remove DerivedSources.pro from WebKit.
  Support debuggable in the makefile build system
  QLabel documentation: add warning about sanitizing input
  runonphone: fix failure to terminate
  Fix license headers in new files from coda patch
  runonphone: command line args improperly passed to TRK after CODA patch
  Mark all Symbian debug binaries debuggable by default
  Preventing QSoftkeyManager giving false positive memory leaks
  Detect linked fonts by name (insead of via CLinkedTypeface* Api)
  Fixed memory leak in QMessageBox::setInformativeText in Symbian
  Revert "fix QFileInfo::isSymLink() for NTFS mount points"
  Fix typo for ifdef QT_NO_ACCESSIBILITY
  Call QAccessible::updateAccessibility when a widget is deleted
  Fix gamma corrected source color in GL
  Make macdeployqt more robust against usage of symbolic links.
  Memory leak fix in Symbian open file dialog
  ...

3 files changed, 68 insertions, 4 deletions

diff --git a/src/corelib/io/qfsfileengine.cpp b/src/corelib/io/qfsfileengine.cpp
index 0d23a27..548f9cf 100644
--- a/src/corelib/io/qfsfileengine.cpp
+++ b/src/corelib/io/qfsfileengine.cpp
@@ -120,7 +120,7 @@ void QFSFileEnginePrivate::init()
     openMode = QIODevice::NotOpen;
     fd = -1;
     fh = 0;
-#ifdef Q_OS_SYMBIAN
+#if defined (Q_OS_SYMBIAN) && !defined(QT_SYMBIAN_USE_NATIVE_FILEMAP)
     fileHandleForMaps = -1;
 #endif
     lastIOCommand = IOFlushCommand;
@@ -368,8 +368,10 @@ bool QFSFileEnginePrivate::closeFdFh()
     if (fd == -1 && !fh
 #ifdef Q_OS_SYMBIAN
         && !symbianFile.SubSessionHandle()
+#ifndef QT_SYMBIAN_USE_NATIVE_FILEMAP
         && fileHandleForMaps == -1
 #endif
+#endif
         )
         return false;
 
@@ -378,7 +380,7 @@ bool QFSFileEnginePrivate::closeFdFh()
     bool closed = true;
     tried_stat = 0;
 
-#ifdef Q_OS_SYMBIAN
+#if defined(Q_OS_SYMBIAN) && !defined(QT_SYMBIAN_USE_NATIVE_FILEMAP)
     // Map handle is always owned by us so always close it
     if (fileHandleForMaps >= 0) {
         QT_CLOSE(fileHandleForMaps);
diff --git a/src/corelib/io/qfsfileengine_p.h b/src/corelib/io/qfsfileengine_p.h
index 79dda1b..f93250e 100644
--- a/src/corelib/io/qfsfileengine_p.h
+++ b/src/corelib/io/qfsfileengine_p.h
@@ -62,6 +62,12 @@
 
 #ifdef Q_OS_SYMBIAN
 #include <f32file.h>
+//This macro will be defined if the OS supports memory mapped files
+#if defined (SYMBIAN_FILE_MAPPING_SUPPORTED) && !defined (WINS)
+//simpler define to check in sources
+#define QT_SYMBIAN_USE_NATIVE_FILEMAP
+#include <f32filemap.h>
+#endif
 #endif
 
 #ifndef QT_NO_FSFILEENGINE
@@ -139,9 +145,11 @@ public:
      */
     TInt symbianFilePos;
 #endif
+#ifndef QT_SYMBIAN_USE_NATIVE_FILEMAP
     mutable int fileHandleForMaps;
     int getMapHandle();
 #endif
+#endif
 
 #ifdef Q_WS_WIN
     HANDLE fileHandle;
@@ -153,6 +161,8 @@ public:
 #endif
 
     mutable DWORD fileAttrib;
+#elif defined (QT_SYMBIAN_USE_NATIVE_FILEMAP)
+    QHash<uchar *, RFileMap> maps;
 #else
     QHash<uchar *, QPair<int /*offset % PageSize*/, size_t /*length + offset % PageSize*/> > maps;
 #endif
diff --git a/src/corelib/io/qfsfileengine_unix.cpp b/src/corelib/io/qfsfileengine_unix.cpp
index 681e55d..9de282a 100644
--- a/src/corelib/io/qfsfileengine_unix.cpp
+++ b/src/corelib/io/qfsfileengine_unix.cpp
@@ -602,7 +602,7 @@ int QFSFileEnginePrivate::nativeHandle() const
     return fh ? fileno(fh) : fd;
 }
 
-#ifdef Q_OS_SYMBIAN
+#if defined(Q_OS_SYMBIAN) && !defined(QT_SYMBIAN_USE_NATIVE_FILEMAP)
 int QFSFileEnginePrivate::getMapHandle()
 {
     if (symbianFile.SubSessionHandle()) {
@@ -925,6 +925,7 @@ QString QFSFileEngine::owner(FileOwner own) const
         return QFileSystemEngine::resolveUserName(ownerId(own));
     return QFileSystemEngine::resolveGroupName(ownerId(own));
 #else
+    Q_UNUSED(own)
     return QString();
 #endif
 }
@@ -1045,9 +1046,47 @@ uchar *QFSFileEnginePrivate::map(qint64 offset, qint64 size, QFile::MemoryMapFla
     QT_OFF_T realOffset = QT_OFF_T(offset);
     realOffset &= ~(QT_OFF_T(pageSize - 1));
 
+#ifdef QT_SYMBIAN_USE_NATIVE_FILEMAP
+    TInt nativeMapError = KErrNone;
+    RFileMap mapping;
+    TUint mode(EFileMapRemovableMedia);
+    //If the file was opened for write or read/write, then open the map for read/write
+    if (openMode & QIODevice::WriteOnly)
+        mode |= EFileMapWrite;
+    if (symbianFile.SubSessionHandle()) {
+        nativeMapError = mapping.Open(symbianFile, offset, size, mode);
+    } else {
+        //map file by name if we don't have a native handle
+        QString fn = QFileSystemEngine::absoluteName(fileEntry).nativeFilePath();
+        TUint filemode = EFileShareReadersOrWriters | EFileRead;
+        if (openMode & QIODevice::WriteOnly)
+            filemode |= EFileWrite;
+        nativeMapError = mapping.Open(qt_s60GetRFs(), qt_QString2TPtrC(fn), filemode, offset, size, mode);
+    }
+    if (nativeMapError == KErrNone) {
+        QScopedResource<RFileMap> ptr(mapping); //will call Close if adding to mapping throws an exception
+        uchar *address = mapping.Base();
+        maps[address] = mapping;
+        ptr.take();
+        return address;
+    }
+    QFile::FileError reportedError = QFile::UnspecifiedError;
+    switch (nativeMapError) {
+    case KErrAccessDenied:
+    case KErrPermissionDenied:
+        reportedError = QFile::PermissionsError;
+        break;
+    case KErrNoMemory:
+        reportedError = QFile::ResourceError;
+        break;
+    }
+    q->setError(reportedError, QSystemError(nativeMapError, QSystemError::NativeError).toString());
+    return 0;
+#else
 #ifdef Q_OS_SYMBIAN
+    //older phones & emulator don't support native mapping, so need to keep the open C way around for those.
     void *mapAddress;
-    TRAPD(err,     mapAddress = QT_MMAP((void*)0, realSize,
+    TRAPD(err, mapAddress = QT_MMAP((void*)0, realSize,
                    access, MAP_SHARED, getMapHandle(), realOffset));
     if (err != KErrNone) {
         qWarning("OpenC bug: leave from mmap %d", err);
@@ -1079,6 +1118,7 @@ uchar *QFSFileEnginePrivate::map(qint64 offset, qint64 size, QFile::MemoryMapFla
         break;
     }
     return 0;
+#endif
 }
 
 bool QFSFileEnginePrivate::unmap(uchar *ptr)
@@ -1090,6 +1130,17 @@ bool QFSFileEnginePrivate::unmap(uchar *ptr)
         return false;
     }
 
+#ifdef QT_SYMBIAN_USE_NATIVE_FILEMAP
+    RFileMap mapping = maps.value(ptr);
+    TInt err = mapping.Flush();
+    mapping.Close();
+    maps.remove(ptr);
+    if (err) {
+        q->setError(QFile::WriteError, QSystemError(err, QSystemError::NativeError).toString());
+        return false;
+    }
+    return true;
+#else
     uchar *start = ptr - maps[ptr].first;
     size_t len = maps[ptr].second;
     if (-1 == munmap(start, len)) {
@@ -1098,6 +1149,7 @@ bool QFSFileEnginePrivate::unmap(uchar *ptr)
     }
     maps.remove(ptr);
     return true;
+#endif
 #else
     return false;
 #endif