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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qiosclipboard.h"
#ifndef QT_NO_CLIPBOARD
#include <QtCore/qurl.h>
#include <QtGui/private/qmacmime_p.h>
#include <QtCore/QMimeData>
#include <QtGui/QGuiApplication>
@interface UIPasteboard (QUIPasteboard)
+ (instancetype)pasteboardWithQClipboardMode:(QClipboard::Mode)mode;
@end
@implementation UIPasteboard (QUIPasteboard)
+ (instancetype)pasteboardWithQClipboardMode:(QClipboard::Mode)mode
{
NSString *name = (mode == QClipboard::Clipboard) ? UIPasteboardNameGeneral : UIPasteboardNameFind;
return [UIPasteboard pasteboardWithName:name create:NO];
}
@end
// --------------------------------------------------------------------
@interface QUIClipboard : NSObject
@end
@implementation QUIClipboard {
QIOSClipboard *m_qiosClipboard;
NSInteger m_changeCountClipboard;
NSInteger m_changeCountFindBuffer;
}
- (instancetype)initWithQIOSClipboard:(QIOSClipboard *)qiosClipboard
{
self = [super init];
if (self) {
m_qiosClipboard = qiosClipboard;
m_changeCountClipboard = [UIPasteboard pasteboardWithQClipboardMode:QClipboard::Clipboard].changeCount;
m_changeCountFindBuffer = [UIPasteboard pasteboardWithQClipboardMode:QClipboard::FindBuffer].changeCount;
[[NSNotificationCenter defaultCenter]
addObserver:self
selector:@selector(updatePasteboardChanged:)
name:UIPasteboardChangedNotification object:nil];
[[NSNotificationCenter defaultCenter]
addObserver:self
selector:@selector(updatePasteboardChanged:)
name:UIPasteboardRemovedNotification object:nil];
[[NSNotificationCenter defaultCenter]
addObserver:self
selector:@selector(updatePasteboardChanged:)
name:UIApplicationDidBecomeActiveNotification
object:nil];
}
return self;
}
- (void)dealloc
{
[[NSNotificationCenter defaultCenter]
removeObserver:self
name:UIPasteboardChangedNotification object:nil];
[[NSNotificationCenter defaultCenter]
removeObserver:self
name:UIPasteboardRemovedNotification object:nil];
[[NSNotificationCenter defaultCenter]
removeObserver:self
name:UIApplicationDidBecomeActiveNotification
object:nil];
[super dealloc];
}
- (void)updatePasteboardChanged:(NSNotification *)notification
{
Q_UNUSED(notification);
NSInteger changeCountClipboard = [UIPasteboard pasteboardWithQClipboardMode:QClipboard::Clipboard].changeCount;
NSInteger changeCountFindBuffer = [UIPasteboard pasteboardWithQClipboardMode:QClipboard::FindBuffer].changeCount;
if (m_changeCountClipboard != changeCountClipboard) {
m_changeCountClipboard = changeCountClipboard;
m_qiosClipboard->emitChanged(QClipboard::Clipboard);
}
if (m_changeCountFindBuffer != changeCountFindBuffer) {
m_changeCountFindBuffer = changeCountFindBuffer;
m_qiosClipboard->emitChanged(QClipboard::FindBuffer);
}
}
@end
// --------------------------------------------------------------------
QT_BEGIN_NAMESPACE
class QIOSMimeData : public QMimeData {
public:
QIOSMimeData(QClipboard::Mode mode) : QMimeData(), m_mode(mode) { }
~QIOSMimeData() { }
QStringList formats() const override;
QVariant retrieveData(const QString &mimeType, QMetaType type) const override;
private:
const QClipboard::Mode m_mode;
};
QStringList QIOSMimeData::formats() const
{
QStringList foundMimeTypes;
UIPasteboard *pb = [UIPasteboard pasteboardWithQClipboardMode:m_mode];
NSArray<NSString *> *pasteboardTypes = [pb pasteboardTypes];
for (NSUInteger i = 0; i < [pasteboardTypes count]; ++i) {
QString uti = QString::fromNSString([pasteboardTypes objectAtIndex:i]);
QString mimeType = QMacInternalPasteboardMime::flavorToMime(QMacInternalPasteboardMime::MIME_ALL, uti);
if (!mimeType.isEmpty() && !foundMimeTypes.contains(mimeType))
foundMimeTypes << mimeType;
}
return foundMimeTypes;
}
QVariant QIOSMimeData::retrieveData(const QString &mimeType, QMetaType) const
{
UIPasteboard *pb = [UIPasteboard pasteboardWithQClipboardMode:m_mode];
NSArray<NSString *> *pasteboardTypes = [pb pasteboardTypes];
foreach (QMacInternalPasteboardMime *converter,
QMacInternalPasteboardMime::all(QMacInternalPasteboardMime::MIME_ALL)) {
if (!converter->canConvert(mimeType, converter->flavorFor(mimeType)))
continue;
for (NSUInteger i = 0; i < [pasteboardTypes count]; ++i) {
NSString *availableUtiNSString = [pasteboardTypes objectAtIndex:i];
QString availableUti = QString::fromNSString(availableUtiNSString);
if (!converter->canConvert(mimeType, availableUti))
continue;
NSData *nsData = [pb dataForPasteboardType:availableUtiNSString];
QList<QByteArray> dataList;
dataList << QByteArray(reinterpret_cast<const char *>([nsData bytes]), [nsData length]);
return converter->convertToMime(mimeType, dataList, availableUti);
}
}
return QVariant();
}
// --------------------------------------------------------------------
QIOSClipboard::QIOSClipboard()
: m_clipboard([[QUIClipboard alloc] initWithQIOSClipboard:this])
{
}
QIOSClipboard::~QIOSClipboard()
{
qDeleteAll(m_mimeData);
}
QMimeData *QIOSClipboard::mimeData(QClipboard::Mode mode)
{
Q_ASSERT(supportsMode(mode));
if (!m_mimeData.contains(mode))
return *m_mimeData.insert(mode, new QIOSMimeData(mode));
return m_mimeData[mode];
}
void QIOSClipboard::setMimeData(QMimeData *mimeData, QClipboard::Mode mode)
{
Q_ASSERT(supportsMode(mode));
UIPasteboard *pb = [UIPasteboard pasteboardWithQClipboardMode:mode];
if (!mimeData) {
pb.items = [NSArray<NSDictionary<NSString *, id> *> array];
return;
}
mimeData->deleteLater();
NSMutableDictionary<NSString *, id> *pbItem = [NSMutableDictionary<NSString *, id> dictionaryWithCapacity:mimeData->formats().size()];
foreach (const QString &mimeType, mimeData->formats()) {
foreach (QMacInternalPasteboardMime *converter,
QMacInternalPasteboardMime::all(QMacInternalPasteboardMime::MIME_ALL)) {
QString uti = converter->flavorFor(mimeType);
if (uti.isEmpty() || !converter->canConvert(mimeType, uti))
continue;
QVariant mimeDataAsVariant;
if (mimeData->hasImage()) {
mimeDataAsVariant = mimeData->imageData();
} else if (mimeData->hasUrls()) {
QVariantList urlList;
for (QUrl url : mimeData->urls())
urlList << url;
mimeDataAsVariant = QVariant(urlList);
} else {
mimeDataAsVariant = QVariant(mimeData->data(mimeType));
}
QByteArray byteArray = converter->convertFromMime(mimeType, mimeDataAsVariant, uti).first();
NSData *nsData = [NSData dataWithBytes:byteArray.constData() length:byteArray.size()];
[pbItem setValue:nsData forKey:uti.toNSString()];
break;
}
}
pb.items = @[pbItem];
}
bool QIOSClipboard::supportsMode(QClipboard::Mode mode) const
{
return (mode == QClipboard::Clipboard || mode == QClipboard::FindBuffer);
}
bool QIOSClipboard::ownsMode(QClipboard::Mode mode) const
{
Q_UNUSED(mode);
return false;
}
QT_END_NAMESPACE
#endif // QT_NO_CLIPBOARD
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