1 files changed, 111 insertions, 0 deletions
diff --git a/src/bluetooth/osx/osxbtgcdtimer.mm b/src/bluetooth/osx/osxbtgcdtimer.mm
new file mode 100644
index 00000000..095f8680
--- /dev/null
+++ b/src/bluetooth/osx/osxbtgcdtimer.mm
@@ -0,0 +1,111 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtBluetooth module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "osxbtgcdtimer_p.h"
+#include "osxbtutility_p.h"
+
+#include <QtCore/qdebug.h>
+
+#include <algorithm>
+
+@implementation QT_MANGLE_NAMESPACE(OSXBTGCDTimer)
+
+- (instancetype)initWithDelegate:(id<QT_MANGLE_NAMESPACE(GCDTimerDelegate)>)delegate
+{
+    if (self = [super init]) {
+        timeoutHandler = delegate;
+        timeoutMS = 0;
+        timeoutStepMS = 0;
+        cancelled = false;
+    }
+    return self;
+}
+
+- (void)startWithTimeout:(qint64)ms step:(qint64)stepMS
+{
+    Q_ASSERT(!timeoutMS && !timeoutStepMS);
+    Q_ASSERT(!cancelled);
+
+    if (!timeoutHandler) {
+        // Nobody to report timeout to, no need to start any task then.
+        return;
+    }
+
+    if (ms <= 0 || stepMS <= 0) {
+        qCWarning(QT_BT_OSX, "Invalid timeout/step parameters");
+        return;
+    }
+
+    timeoutMS = ms;
+    timeoutStepMS = stepMS;
+    timer.start();
+
+    [self handleTimeout];
+}
+
+- (void)handleTimeout
+{
+    if (cancelled)
+        return;
+
+    const qint64 elapsed = timer.elapsed();
+    if (elapsed >= timeoutMS) {
+        [timeoutHandler timeout];
+    } else {
+        using namespace QT_PREPEND_NAMESPACE(OSXBluetooth);
+        // Re-schedule:
+        dispatch_queue_t leQueue(qt_LE_queue());
+        Q_ASSERT(leQueue);
+        const qint64 timeChunkMS = std::min(timeoutMS - elapsed, timeoutStepMS);
+        dispatch_after(dispatch_time(DISPATCH_TIME_NOW,
+                                     int64_t(timeChunkMS / 1000. * NSEC_PER_SEC)),
+                                     leQueue,
+                                     ^{
+                                           [self handleTimeout];
+                                      });
+    }
+}
+
+- (void)cancelTimer
+{
+    cancelled = true;
+    timeoutHandler = nil;
+}
+
+@end