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/****************************************************************************
**
** 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 "qclipboard.h"
#ifndef QT_NO_CLIPBOARD
#include "qapplication.h"
#include "qbitmap.h"
#include "qdatetime.h"
#include "qbuffer.h"
#include "qwidget.h"
#include "qevent.h"
#include <QtDebug>
// Symbian's clipboard
#include <baclipb.h>
QT_BEGIN_NAMESPACE
//### Mime Type mapping to UIDs
const TUid KQtCbDataStream = {0x666777};
class QClipboardData
{
public:
QClipboardData();
~QClipboardData();
void setSource(QMimeData* s)
{
if (s == src)
return;
delete src;
src = s;
}
QMimeData* source()
{ return src; }
bool connected()
{ return connection; }
void clear();
RFs fsSession();
private:
QMimeData* src;
RFs iFs;
bool connection;
};
QClipboardData::QClipboardData():src(0),connection(true)
{
clear();
if (KErrNone != iFs.Connect())
{
qWarning("QClipboardData::fileserver connnect failed");
connection = false;
}
}
QClipboardData::~QClipboardData()
{
iFs.Close();
connection = false;
delete src;
}
void QClipboardData::clear()
{
QMimeData* newSrc = new QMimeData;
delete src;
src = newSrc;
}
RFs QClipboardData::fsSession()
{
return iFs;
}
static QClipboardData *internalCbData = 0;
static void cleanupClipboardData()
{
delete internalCbData;
internalCbData = 0;
}
static QClipboardData *clipboardData()
{
if (internalCbData == 0) {
internalCbData = new QClipboardData;
if (internalCbData)
{
if (!internalCbData->connected())
{
delete internalCbData;
internalCbData = 0;
}
else
{
qAddPostRoutine(cleanupClipboardData);
}
}
}
return internalCbData;
}
void writeToStream(const QMimeData* aData, RWriteStream& aStream)
{
QStringList headers = aData->formats();
aStream << TCardinality(headers.count());
for (QStringList::const_iterator iter= headers.constBegin();iter != headers.constEnd();iter++)
{
HBufC* stringData = TPtrC(reinterpret_cast<const TUint16*>((*iter).utf16())).AllocLC();
QByteArray ba = aData->data((*iter));
qDebug() << "copy to clipboard mime: " << *iter << " data: " << ba;
// mime type
aStream << TCardinality(stringData->Size());
aStream << *(stringData);
// mime data
aStream << TCardinality(ba.size());
aStream.WriteL(reinterpret_cast<const uchar*>(ba.constData()),ba.size());
CleanupStack::PopAndDestroy(stringData);
}
}
void readFromStream(QMimeData* aData,RReadStream& aStream)
{
TCardinality mimeTypeCount;
aStream >> mimeTypeCount;
for (int i = 0; i< mimeTypeCount;i++)
{
// mime type
TCardinality mimeTypeSize;
aStream >> mimeTypeSize;
HBufC* mimeTypeBuf = HBufC::NewLC(aStream,mimeTypeSize);
QString mimeType = QString::fromUtf16(mimeTypeBuf->Des().Ptr(),mimeTypeBuf->Length());
// mime data
TCardinality dataSize;
aStream >> dataSize;
QByteArray ba;
ba.reserve(dataSize);
aStream.ReadL(reinterpret_cast<uchar*>(ba.data_ptr()->data),dataSize);
ba.data_ptr()->size = dataSize;
qDebug() << "paste from clipboard mime: " << mimeType << " data: " << ba;
aData->setData(mimeType,ba);
CleanupStack::PopAndDestroy(mimeTypeBuf);
}
}
/*****************************************************************************
QClipboard member functions
*****************************************************************************/
void QClipboard::clear(Mode mode)
{
setText(QString(), mode);
}
const QMimeData* QClipboard::mimeData(Mode mode) const
{
if (mode != Clipboard) return 0;
QClipboardData *d = clipboardData();
if (d)
{
//###fixme when exceptions are added to Qt
TRAPD(err,{
RFs fs = d->fsSession();
CClipboard* cb = CClipboard::NewForReadingLC(fs);
Q_ASSERT(cb);
RStoreReadStream stream;
TStreamId stid = (cb->StreamDictionary()).At(KQtCbDataStream);
stream.OpenLC(cb->Store(),stid);
readFromStream(d->source(),stream);
CleanupStack::PopAndDestroy(2,cb);
return d->source();
});
if (err != KErrNone){
qDebug()<< "clipboard is empty/err: " << err;
}
}
return 0;
}
void QClipboard::setMimeData(QMimeData* src, Mode mode)
{
if (mode != Clipboard) return;
QClipboardData *d = clipboardData();
if (d)
{
//###fixme when exceptions are added to Qt
TRAPD(err,{
RFs fs = d->fsSession();
CClipboard* cb = CClipboard::NewForWritingLC(fs);
RStoreWriteStream stream;
TStreamId stid = stream.CreateLC(cb->Store());
writeToStream(src,stream);
d->setSource(src);
stream.CommitL();
(cb->StreamDictionary()).AssignL(KQtCbDataStream,stid);
cb->CommitL();
CleanupStack::PopAndDestroy(2,cb);
});
if (err != KErrNone){
qDebug()<< "clipboard write err :" << err;
}
}
emitChanged(QClipboard::Clipboard);
}
bool QClipboard::supportsMode(Mode mode) const
{
return (mode == Clipboard);
}
bool QClipboard::ownsMode(Mode mode) const
{
if (mode == Clipboard)
qWarning("QClipboard::ownsClipboard: UNIMPLEMENTED!");
return false;
}
bool QClipboard::event(QEvent *e)
{
return true;
}
void QClipboard::connectNotify( const char * )
{
}
void QClipboard::ownerDestroyed()
{
}
QT_END_NAMESPACE
#endif // QT_NO_CLIPBOARD
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