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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:18:55 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:18:55 (GMT)
commite5fcad302d86d316390c6b0f62759a067313e8a9 (patch)
treec2afbf6f1066b6ce261f14341cf6d310e5595bc1 /src/gui/kernel/qsound_mac.mm
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Long live Qt 4.5!
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui module 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include <qapplication.h>
+#include "qsound.h"
+#include "qsound_p.h"
+#include <private/qt_mac_p.h>
+#include <qhash.h>
+#include <qdebug.h>
+#import <AppKit/AppKit.h>
+
+#include <AppKit/NSSound.h>
+
+QT_BEGIN_NAMESPACE
+
+void qt_mac_beep()
+{
+ NSBeep();
+}
+
+QT_END_NAMESPACE
+
+#ifndef QT_NO_SOUND
+
+QT_BEGIN_NAMESPACE
+
+typedef QHash<QSound *, NSSound const *> Sounds;
+static Sounds sounds;
+
+class QAuServerMac : public QAuServer
+{
+ Q_OBJECT
+public:
+ QAuServerMac(QObject* parent) : QAuServer(parent) { }
+ void play(const QString& filename);
+ void play(QSound *s);
+ void stop(QSound*);
+ bool okay() { return true; }
+ using QAuServer::decLoop; // promote to public.
+protected:
+ NSSound *createNSSound(const QString &filename, QSound *qSound);
+};
+
+QT_END_NAMESPACE
+
+QT_USE_NAMESPACE
+
+@interface QMacSoundDelegate : NSObject {
+ QSound *qSound; // may be null.
+ QAuServerMac* server;
+}
+-(id)initWithQSound:(QSound*)sound:(QAuServerMac*)server;
+-(void)sound:(NSSound *)sound didFinishPlaying:(BOOL)aBool;
+@end
+
+@implementation QMacSoundDelegate
+-(id)initWithQSound:(QSound*)s:(QAuServerMac*)serv {
+ self = [super init];
+ if(self) {
+ qSound = s;
+ server = serv;
+ }
+ return self;
+}
+
+// Delegate function that gets called each time a sound finishes.
+-(void)sound:(NSSound *)sound didFinishPlaying:(BOOL)finishedOk
+{
+ // qSound is null if this sound was started by play(QString),
+ // in which case there is no corresponding QSound object.
+ if (qSound == 0) {
+ [sound release];
+ [self release];
+ return;
+ }
+
+ // finishedOk is false if the sound cold not be played or
+ // if it was interrupted by stop().
+ if (finishedOk == false) {
+ sounds.remove(qSound);
+ [sound release];
+ [self release];
+ return;
+ }
+
+ // Check if the sound should loop "forever" (until stop).
+ if (qSound->loops() == -1) {
+ [sound play];
+ return;
+ }
+
+ const int remainingIterations = server->decLoop(qSound);
+ if (remainingIterations > 0) {
+ [sound play];
+ } else {
+ sounds.remove(qSound);
+ [sound release];
+ [self release];
+ }
+}
+@end
+
+QT_BEGIN_NAMESPACE
+
+void QAuServerMac::play(const QString &fileName)
+{
+ QMacCocoaAutoReleasePool pool;
+ NSSound * const nsSound = createNSSound(fileName, 0);
+ [nsSound play];
+}
+
+void QAuServerMac::play(QSound *qSound)
+{
+ QMacCocoaAutoReleasePool pool;
+ NSSound * const nsSound = createNSSound(qSound->fileName(), qSound);
+ [nsSound play];
+ // Keep track of the nsSound object so we can find it again in stop().
+ sounds[qSound] = nsSound;
+}
+
+void QAuServerMac::stop(QSound *qSound)
+{
+ Sounds::const_iterator it = sounds.constFind(qSound);
+ if (it != sounds.constEnd())
+ [*it stop];
+}
+
+// Creates an NSSound object and installs a "sound finished" callack delegate on it.
+NSSound *QAuServerMac::createNSSound(const QString &fileName, QSound *qSound)
+{
+ NSString *nsFileName = const_cast<NSString *>(reinterpret_cast<const NSString *>(QCFString::toCFStringRef(fileName)));
+ NSSound * const nsSound = [[NSSound alloc] initWithContentsOfFile: nsFileName byReference:YES];
+ QMacSoundDelegate * const delegate = [[QMacSoundDelegate alloc] initWithQSound:qSound:this];
+ [nsSound setDelegate:delegate];
+ return nsSound;
+}
+
+QAuServer* qt_new_audio_server()
+{
+ return new QAuServerMac(qApp);
+}
+
+QT_END_NAMESPACE
+
+#include "qsound_mac.moc"
+
+#endif // QT_NO_SOUND