introduced a utils directory

Change-Id: I48f02a6a80570e3305cbad02120414f1bbe48d59
Reviewed-by: Nicolas Arnaud-Cormos <nicolas@kdab.com>

2 files changed, 62 insertions, 0 deletions

diff --git a/utils/signalwaiter.cpp b/utils/signalwaiter.cpp
new file mode 100644
index 0000000..3550e5b
--- /dev/null
+++ b/utils/signalwaiter.cpp
@@ -0,0 +1,31 @@
+#include "signalwaiter.h"
+
+#include <QElapsedTimer>
+#include <QCoreApplication>
+
+namespace Scripting {
+namespace Internal {
+
+SignalWaiter::SignalWaiter(QObject *parent) :
+    QObject(parent), m_received(false)
+{
+}
+
+bool SignalWaiter::wait(QObject *object, const char *signal, int msecs)
+{
+    connect( object, signal, this, SLOT(slotReceived()));
+    QElapsedTimer timer;
+    timer.start();
+    while ( !m_received && timer.elapsed() < msecs ) {
+        qApp->processEvents(QEventLoop::ExcludeUserInputEvents, 100);
+    }
+    return m_received;
+}
+
+void SignalWaiter::slotReceived()
+{
+    m_received = true;
+}
+
+} // namespace Internal
+} // namespace Scripting
diff --git a/utils/signalwaiter.h b/utils/signalwaiter.h
new file mode 100644
index 0000000..a413072
--- /dev/null
+++ b/utils/signalwaiter.h
@@ -0,0 +1,31 @@
+#ifndef SCRIPTING_INTERNAL_SIGNALWAITER_H
+#define SCRIPTING_INTERNAL_SIGNALWAITER_H
+
+#include <QObject>
+
+namespace Scripting {
+namespace Internal {
+
+/**
+ * @brief Wait for a signal to emit
+ *
+ * The method wait will block until the provided signal is emitted or the time out is reached. While blocking it will run the event loop.
+ */
+class SignalWaiter : public QObject
+{
+    Q_OBJECT
+public:
+    explicit SignalWaiter(QObject *parent = 0);
+    bool wait(QObject* object, const char* signal, int msecs);
+
+private slots:
+    void slotReceived();
+
+private:
+    bool m_received;
+};
+
+} // namespace Internal
+} // namespace Scripting
+
+#endif // SCRIPTING_INTERNAL_SIGNALWAITER_H