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+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QQMLTHREAD_P_H
+#define QQMLTHREAD_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+
+#include <QtCore/qglobal.h>
+
+#include <private/qintrusivelist_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QThread;
+
+class QQmlThreadPrivate;
+class QQmlThread
+{
+public:
+ QQmlThread();
+ virtual ~QQmlThread();
+ void shutdown();
+
+ void lock();
+ void unlock();
+ void wakeOne();
+ void wakeAll();
+ void wait();
+
+ QThread *thread() const;
+ bool isThisThread() const;
+
+ // Synchronously invoke a method in the thread
+ template<class O>
+ inline void callMethodInThread(void (O::*Member)());
+ template<typename T, class V, class O>
+ inline void callMethodInThread(void (O::*Member)(V), const T &);
+ template<typename T, typename T2, class V, class V2, class O>
+ inline void callMethodInThread(void (O::*Member)(V, V2), const T &, const T2 &);
+
+ // Synchronously invoke a method in the main thread. If the main thread is
+ // blocked in a callMethodInThread() call, the call is made from within that
+ // call.
+ template<class O>
+ inline void callMethodInMain(void (O::*Member)());
+ template<typename T, class V, class O>
+ inline void callMethodInMain(void (O::*Member)(V), const T &);
+ template<typename T, typename T2, class V, class V2, class O>
+ inline void callMethodInMain(void (O::*Member)(V, V2), const T &, const T2 &);
+
+ // Asynchronously invoke a method in the thread.
+ template<class O>
+ inline void postMethodToThread(void (O::*Member)());
+ template<typename T, class V, class O>
+ inline void postMethodToThread(void (O::*Member)(V), const T &);
+ template<typename T, typename T2, class V, class V2, class O>
+ inline void postMethodToThread(void (O::*Member)(V, V2), const T &, const T2 &);
+
+ // Asynchronously invoke a method in the main thread.
+ template<class O>
+ inline void postMethodToMain(void (O::*Member)());
+ template<typename T, class V, class O>
+ inline void postMethodToMain(void (O::*Member)(V), const T &);
+ template<typename T, typename T2, class V, class V2, class O>
+ inline void postMethodToMain(void (O::*Member)(V, V2), const T &, const T2 &);
+
+protected:
+ virtual void startupThread();
+ virtual void shutdownThread();
+
+private:
+ friend class QQmlThreadPrivate;
+
+ struct Message {
+ Message() : next(0) {}
+ virtual ~Message() {}
+ Message *next;
+ virtual void call(QQmlThread *) = 0;
+ };
+ void internalCallMethodInThread(Message *);
+ void internalCallMethodInMain(Message *);
+ void internalPostMethodToThread(Message *);
+ void internalPostMethodToMain(Message *);
+ QQmlThreadPrivate *d;
+};
+
+template<class O>
+void QQmlThread::callMethodInThread(void (O::*Member)())
+{
+ struct I : public Message {
+ void (O::*Member)();
+ I(void (O::*Member)()) : Member(Member) {}
+ virtual void call(QQmlThread *thread) {
+ O *me = static_cast<O *>(thread);
+ (me->*Member)();
+ }
+ };
+ internalCallMethodInThread(new I(Member));
+}
+
+template<typename T, class V, class O>
+void QQmlThread::callMethodInThread(void (O::*Member)(V), const T &arg)
+{
+ struct I : public Message {
+ void (O::*Member)(V);
+ T arg;
+ I(void (O::*Member)(V), const T &arg) : Member(Member), arg(arg) {}
+ virtual void call(QQmlThread *thread) {
+ O *me = static_cast<O *>(thread);
+ (me->*Member)(arg);
+ }
+ };
+ internalCallMethodInThread(new I(Member, arg));
+}
+
+template<typename T, typename T2, class V, class V2, class O>
+void QQmlThread::callMethodInThread(void (O::*Member)(V, V2), const T &arg, const T2 &arg2)
+{
+ struct I : public Message {
+ void (O::*Member)(V, V2);
+ T arg;
+ T2 arg2;
+ I(void (O::*Member)(V, V2), const T &arg, const T2 &arg2) : Member(Member), arg(arg), arg2(arg2) {}
+ virtual void call(QQmlThread *thread) {
+ O *me = static_cast<O *>(thread);
+ (me->*Member)(arg, arg2);
+ }
+ };
+ internalCallMethodInThread(new I(Member, arg, arg2));
+}
+
+template<class O>
+void QQmlThread::callMethodInMain(void (O::*Member)())
+{
+ struct I : public Message {
+ void (O::*Member)();
+ I(void (O::*Member)()) : Member(Member) {}
+ virtual void call(QQmlThread *thread) {
+ O *me = static_cast<O *>(thread);
+ (me->*Member)();
+ }
+ };
+ internalCallMethodInMain(new I(Member));
+}
+
+template<typename T, class V, class O>
+void QQmlThread::callMethodInMain(void (O::*Member)(V), const T &arg)
+{
+ struct I : public Message {
+ void (O::*Member)(V);
+ T arg;
+ I(void (O::*Member)(V), const T &arg) : Member(Member), arg(arg) {}
+ virtual void call(QQmlThread *thread) {
+ O *me = static_cast<O *>(thread);
+ (me->*Member)(arg);
+ }
+ };
+ internalCallMethodInMain(new I(Member, arg));
+}
+
+template<typename T, typename T2, class V, class V2, class O>
+void QQmlThread::callMethodInMain(void (O::*Member)(V, V2), const T &arg, const T2 &arg2)
+{
+ struct I : public Message {
+ void (O::*Member)(V, V2);
+ T arg;
+ T2 arg2;
+ I(void (O::*Member)(V, V2), const T &arg, const T2 &arg2) : Member(Member), arg(arg), arg2(arg2) {}
+ virtual void call(QQmlThread *thread) {
+ O *me = static_cast<O *>(thread);
+ (me->*Member)(arg, arg2);
+ }
+ };
+ internalCallMethodInMain(new I(Member, arg, arg2));
+}
+
+template<class O>
+void QQmlThread::postMethodToThread(void (O::*Member)())
+{
+ struct I : public Message {
+ void (O::*Member)();
+ I(void (O::*Member)()) : Member(Member) {}
+ virtual void call(QQmlThread *thread) {
+ O *me = static_cast<O *>(thread);
+ (me->*Member)();
+ }
+ };
+ internalPostMethodToThread(new I(Member));
+}
+
+template<typename T, class V, class O>
+void QQmlThread::postMethodToThread(void (O::*Member)(V), const T &arg)
+{
+ struct I : public Message {
+ void (O::*Member)(V);
+ T arg;
+ I(void (O::*Member)(V), const T &arg) : Member(Member), arg(arg) {}
+ virtual void call(QQmlThread *thread) {
+ O *me = static_cast<O *>(thread);
+ (me->*Member)(arg);
+ }
+ };
+ internalPostMethodToThread(new I(Member, arg));
+}
+
+template<typename T, typename T2, class V, class V2, class O>
+void QQmlThread::postMethodToThread(void (O::*Member)(V, V2), const T &arg, const T2 &arg2)
+{
+ struct I : public Message {
+ void (O::*Member)(V, V2);
+ T arg;
+ T2 arg2;
+ I(void (O::*Member)(V, V2), const T &arg, const T2 &arg2) : Member(Member), arg(arg), arg2(arg2) {}
+ virtual void call(QQmlThread *thread) {
+ O *me = static_cast<O *>(thread);
+ (me->*Member)(arg, arg2);
+ }
+ };
+ internalPostMethodToThread(new I(Member, arg, arg2));
+}
+
+template<class O>
+void QQmlThread::postMethodToMain(void (O::*Member)())
+{
+ struct I : public Message {
+ void (O::*Member)();
+ I(void (O::*Member)()) : Member(Member) {}
+ virtual void call(QQmlThread *thread) {
+ O *me = static_cast<O *>(thread);
+ (me->*Member)();
+ }
+ };
+ internalPostMethodToMain(new I(Member));
+}
+
+template<typename T, class V, class O>
+void QQmlThread::postMethodToMain(void (O::*Member)(V), const T &arg)
+{
+ struct I : public Message {
+ void (O::*Member)(V);
+ T arg;
+ I(void (O::*Member)(V), const T &arg) : Member(Member), arg(arg) {}
+ virtual void call(QQmlThread *thread) {
+ O *me = static_cast<O *>(thread);
+ (me->*Member)(arg);
+ }
+ };
+ internalPostMethodToMain(new I(Member, arg));
+}
+
+template<typename T, typename T2, class V, class V2, class O>
+void QQmlThread::postMethodToMain(void (O::*Member)(V, V2), const T &arg, const T2 &arg2)
+{
+ struct I : public Message {
+ void (O::*Member)(V, V2);
+ T arg;
+ T2 arg2;
+ I(void (O::*Member)(V, V2), const T &arg, const T2 &arg2) : Member(Member), arg(arg), arg2(arg2) {}
+ virtual void call(QQmlThread *thread) {
+ O *me = static_cast<O *>(thread);
+ (me->*Member)(arg, arg2);
+ }
+ };
+ internalPostMethodToMain(new I(Member, arg, arg2));
+}
+
+QT_END_NAMESPACE
+
+#endif // QQMLTHREAD_P_H
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