/******************************************************************************** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).** All rights reserved.** Contact: Nokia Corporation (qt-info@nokia.com)**** This file is part of the QtGui of the Qt Toolkit.**** $QT_BEGIN_LICENSE:LGPL$** No Commercial Usage** This file contains pre-release code and may not be distributed.** You may use this file in accordance with the terms and conditions** contained in the Technology Preview License Agreement accompanying** this package.**** GNU Lesser General Public License Usage** Alternatively, this file may be used under the terms of the GNU Lesser** General Public License version 2.1 as published by the Free Software** Foundation and appearing in the file LICENSE.LGPL included in the** packaging of this file. Please review the following information to** ensure the GNU Lesser General Public License version 2.1 requirements** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.**** In addition, as a special exception, Nokia gives you certain additional** rights. These rights are described in the Nokia Qt LGPL Exception** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.**** If you have questions regarding the use of this file, please contact** Nokia at qt-info@nokia.com.****************** $QT_END_LICENSE$******************************************************************************/#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 "private/qcore_symbian_p.h"#include <QtDebug>// Symbian's clipboard#include <baclipb.h>QT_BEGIN_NAMESPACE//### Mime Type mapping to UIDsconst TUid KQtCbDataStream = {0x2001B2DD};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();private: QMimeData* src; bool connection;};QClipboardData::QClipboardData():src(0),connection(true){ clear();}QClipboardData::~QClipboardData(){ connection = false; delete src;}void QClipboardData::clear(){ QMimeData* newSrc = new QMimeData; delete src; src = newSrc;}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 writeToStreamLX(const QMimeData* aData, RWriteStream& aStream){ // This function both leaves and throws exceptions. There must be no destructor // dependencies between cleanup styles, and no cleanup stack dependencies on stacked objects. 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 readFromStreamLX(QMimeData* aData,RReadStream& aStream){ // This function both leaves and throws exceptions. There must be no destructor // dependencies between cleanup styles, and no cleanup stack dependencies on stacked objects. 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()); CleanupStack::PopAndDestroy(mimeTypeBuf); // 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); }}/***************************************************************************** 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) { TRAPD(err,{ RFs fs = qt_s60GetRFs(); CClipboard* cb = CClipboard::NewForReadingLC(fs); Q_ASSERT(cb); RStoreReadStream stream; TStreamId stid = (cb->StreamDictionary()).At(KQtCbDataStream); stream.OpenLC(cb->Store(),stid); QT_TRYCATCH_LEAVING(readFromStreamLX(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) { TRAPD(err,{ RFs fs = qt_s60GetRFs(); CClipboard* cb = CClipboard::NewForWritingLC(fs); RStoreWriteStream stream; TStreamId stid = stream.CreateLC(cb->Store()); QT_TRYCATCH_LEAVING(writeToStreamLX(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