function _handlerTogglePlayButton(oEvent) {
			clearInterval(timerTimeout);

			if (_isRecordingActive) {
				_isRecordingActive = false;
				_that._oStub.sendEvent(_that.getId() + "End");
				oEvent.target.setAttribute('data-state', 'Start recording (' + (timeRecording / 1000).toFixed(2) + ' s)');
			} else {
				//reset the timeout
				timeRecording = 0;

				_isRecordingActive = true;

				_that._oStub.sendEvent(_that.getId() + "Activate");
				_that._oStub.sendEvent(_that.getId() + "Clear");
				_that._oStub.sendEvent(_that.getId() + "Start");
				oEvent.target.setAttribute('data-state', 'Stop recording (' + (timeRecording / 1000).toFixed(2) + ' s)');

				timerTimeout = setInterval(function () {
					timeRecording += timeRecordingStep;
					oEvent.target.setAttribute('data-state', 'Stop recording (' + (timeRecording / 1000).toFixed(2) + ' s)');
				}, timeRecordingStep);
			}
		}
Handler for sapUiSupportPerfActivate event

@param {sap.ui.base.Event} oEvent the event
@private