src/gui/kernel/qsound_mac.mm
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/kernel/qsound_mac.mm	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,189 @@
+/****************************************************************************
+**
+** 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 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 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 <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
+
+#if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_5
+@protocol NSSoundDelegate <NSObject>
+-(void)sound:(NSSound *)sound didFinishPlaying:(BOOL)aBool;
+@end
+#endif
+
+QT_USE_NAMESPACE
+
+@interface QMacSoundDelegate : NSObject<NSSoundDelegate> {
+    QSound *qSound; // may be null.
+    QAuServerMac* server;
+}
+-(id)initWithQSound:(QSound*)sound:(QAuServerMac*)server;
+@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