From 89fbd66b01bab3eca2ed9591f158f28d6e43e9e2 Mon Sep 17 00:00:00 2001
From: Lorn Potter <lorn.potter@nokia.com>
Date: Wed, 1 Feb 2012 10:28:51 +1000
Subject: try harder to make sure gesture dont fire too easily

some gestures will fire when trying other gestures. Make
sure they don't collide and provide false positives as much.

Change-Id: I4abd7d9ee876b77a211ae1b46bcc56f4fdc64ec0
Sanity-Review: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Lorn Potter <lorn.potter@nokia.com>
---
 .../sensorgestures/qtsensors/qshake2recognizer.h   | 33 ++++++++++++----------
 1 file changed, 18 insertions(+), 15 deletions(-)

(limited to 'src/plugins/sensorgestures/qtsensors/qshake2recognizer.h')

diff --git a/src/plugins/sensorgestures/qtsensors/qshake2recognizer.h b/src/plugins/sensorgestures/qtsensors/qshake2recognizer.h
index 18423248..ff3de8cf 100644
--- a/src/plugins/sensorgestures/qtsensors/qshake2recognizer.h
+++ b/src/plugins/sensorgestures/qtsensors/qshake2recognizer.h
@@ -53,6 +53,12 @@
 #include <qsensorgesturerecognizer.h>
 QT_BEGIN_NAMESPACE
 
+struct ShakeData {
+   qreal x;
+   qreal y;
+   qreal z;
+};
+
 class QShake2SensorGestureRecognizer : public QSensorGestureRecognizer
 {
     Q_OBJECT
@@ -77,8 +83,9 @@ public:
     bool stop();
     bool isActive();
 
-    int thresholdTime() const;
-    void setThresholdTime(int msec);
+    QTimer *timer;
+    int timerTimeout;
+
 
 Q_SIGNALS:
     void shakeLeft();
@@ -90,27 +97,23 @@ private slots:
     void accelChanged();
     void timeout();
 
+
 private:
     QAccelerometer *accel;
 
-    qreal pXaxis;
-    qreal nXaxis;
-
-    qreal pYaxis;
-    qreal nYaxis;
-
-    qreal pZaxis;
-    qreal nZaxis;
-
-    bool detectingState;
-    QTimer *timer;
-    int timerTimeout;
     bool active;
-    int accelRange;
 
     ShakeDirection shakeDirection;
 
+    ShakeData prevData;
+    ShakeData currentData;
+
+    bool checkForShake(ShakeData prevSensorData, ShakeData currentSensorData, qreal threshold);
+    bool shaking;
+    int shakeCount;
+    int threshold;
 
+    bool isNegative(qreal num);
 };
 QT_END_NAMESPACE
 #endif // QSHAKERECOGNIZER_H
-- 
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