1 files changed, 122 insertions, 0 deletions
diff --git a/src/libs/kdtools/kdrunoncechecker.cpp b/src/libs/kdtools/kdrunoncechecker.cpp
new file mode 100644
index 000000000..8e0af3ddc
--- /dev/null
+++ b/src/libs/kdtools/kdrunoncechecker.cpp
@@ -0,0 +1,122 @@
+/****************************************************************************
+** Copyright (C) 2001-2010 Klaralvdalens Datakonsult AB.  All rights reserved.
+**
+** This file is part of the KD Tools library.
+**
+** Licensees holding valid commercial KD Tools licenses may use this file in
+** accordance with the KD Tools Commercial License Agreement provided with
+** the Software.
+**
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU Lesser General Public License version 2 and version 3 as published by the
+** Free Software Foundation and appearing in the file LICENSE.LGPL included.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** Contact info@kdab.com if any conditions of this licensing are not
+** clear to you.
+**
+**********************************************************************/
+
+#include "kdrunoncechecker.h"
+#include "kdlockfile.h"
+#include "kdsysinfo.h"
+
+#include <QtCore/QList>
+#include <QtCore/QCoreApplication>
+#include <QtCore/QDir>
+#include <QtCore/QFileInfo>
+
+#include <algorithm>
+
+using namespace KDUpdater;
+
+class KDRunOnceChecker::Private
+{
+public:
+    Private(const QString &filename);
+
+    KDLockFile m_lockfile;
+    bool m_hasLock;
+};
+
+KDRunOnceChecker::Private::Private(const QString &filename)
+    : m_lockfile(filename)
+    , m_hasLock(false)
+{}
+
+KDRunOnceChecker::KDRunOnceChecker(const QString &filename)
+    :d(new Private(filename))
+{}
+
+KDRunOnceChecker::~KDRunOnceChecker()
+{
+    delete d;
+}
+
+class ProcessnameEquals
+{
+public:
+    ProcessnameEquals(const QString &name): m_name(name) {}
+
+    bool operator()(const ProcessInfo &info)
+    {
+#ifndef Q_WS_WIN
+        if (info.name == m_name)
+            return true;
+        const QFileInfo fi(info.name);
+        if (fi.fileName() == m_name || fi.baseName() == m_name)
+            return true;
+        return false;
+#else
+        if (info.name.toLower() == m_name.toLower())
+            return true;
+        if (info.name.toLower() == QDir::toNativeSeparators(m_name.toLower()))
+            return true;
+        const QFileInfo fi(info.name);
+        if (fi.fileName().toLower() == m_name.toLower() || fi.baseName().toLower() == m_name.toLower())
+            return true;
+        return info.name == m_name;
+#endif
+    }
+
+private:
+    QString m_name;
+};
+
+bool KDRunOnceChecker::isRunning(Dependencies depends)
+{
+    bool running = false;
+    switch (depends) {
+        case Lockfile: {
+            const bool locked = d->m_hasLock || d->m_lockfile.lock();
+            if (locked)
+                d->m_hasLock = true;
+            running = running || ! locked;
+        }
+        break;
+        case ProcessList: {
+            const QList<ProcessInfo> allProcesses = runningProcesses();
+            const QString appName = qApp->applicationFilePath();
+            //QList< ProcessInfo >::const_iterator it = std::find_if(allProcesses.constBegin(), allProcesses.constEnd(), ProcessnameEquals(appName));
+            const int count = std::count_if(allProcesses.constBegin(), allProcesses.constEnd(), ProcessnameEquals(appName));
+            running = running || /*it != allProcesses.constEnd()*/count > 1;
+        }
+        break;
+        case Both: {
+            const QList<ProcessInfo> allProcesses = runningProcesses();
+            const QString appName = qApp->applicationFilePath();
+            //QList<ProcessInfo>::const_iterator it = std::find_if(allProcesses.constBegin(), allProcesses.constEnd(), ProcessnameEquals(appName));
+            const int count = std::count_if(allProcesses.constBegin(), allProcesses.constEnd(), ProcessnameEquals(appName));
+            const bool locked = d->m_hasLock || d->m_lockfile.lock();
+            if (locked)
+                d->m_hasLock = true;
+            running = running || ( /*it != allProcesses.constEnd()*/count > 1 && !locked);
+        }
+        break;
+    }
+
+    return running;
+}