1 files changed, 64 insertions, 0 deletions
diff --git a/src/plugins/platforms/wasm/qwasmeventdispatcher.h b/src/plugins/platforms/wasm/qwasmeventdispatcher.h
new file mode 100644
index 0000000000..5300b3de73
--- /dev/null
+++ b/src/plugins/platforms/wasm/qwasmeventdispatcher.h
@@ -0,0 +1,64 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** 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 General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) 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.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-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWASMEVENTDISPATCHER_H
+#define QWASMEVENTDISPATCHER_H
+
+#include <QtCore/qhash.h>
+#include <QtCore/qloggingcategory.h>
+#include <QtEventDispatcherSupport/private/qunixeventdispatcher_qpa_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QWasmEventDispatcherPrivate;
+
+class QWasmEventDispatcher : public QUnixEventDispatcherQPA
+{
+    Q_DECLARE_PRIVATE(QWasmEventDispatcher)
+public:
+    explicit QWasmEventDispatcher(QObject *parent = nullptr);
+    ~QWasmEventDispatcher();
+
+    static bool registerRequestUpdateCallback(std::function<void(void)> callback);
+    static void maintainTimers();
+
+protected:
+    bool processEvents(QEventLoop::ProcessEventsFlags flags) override;
+    void doMaintainTimers();
+
+private:
+    bool m_hasMainLoop = false;
+    bool m_hasZeroTimer = false;
+    uint64_t m_currentTargetTime = std::numeric_limits<uint64_t>::max();
+    QVector<std::function<void(void)>> m_requestUpdateCallbacks;
+};
+
+QT_END_NAMESPACE
+
+#endif