diff options
Diffstat (limited to 'ui/base/x/device_data_manager.h')
| -rw-r--r-- | ui/base/x/device_data_manager.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/ui/base/x/device_data_manager.h b/ui/base/x/device_data_manager.h index 27f468a..950cca1 100644 --- a/ui/base/x/device_data_manager.h +++ b/ui/base/x/device_data_manager.h @@ -23,6 +23,12 @@ typedef union _XEvent XEvent; namespace ui { +// CrOS touchpad metrics gesture types +enum GestureMetricsType { + kGestureMetricsTypeNoisyGround = 0, + kGestureMetricsTypeUnknown, +}; + // A class that extracts and tracks the input events data. It currently handles // mouse, touchpad and touchscreen devices. class UI_EXPORT DeviceDataManager { @@ -47,6 +53,11 @@ class UI_EXPORT DeviceDataManager { DT_CMT_FLING_Y, // Fling amount on the Y (vertical) direction. DT_CMT_FLING_STATE, // The state of fling gesture (whether the user just // start flinging or that he/she taps down). + DT_CMT_METRICS_TYPE, // Metrics type of the metrics gesture, which are + // used to wrap interesting patterns that we would + // like to track via the UMA system. + DT_CMT_METRICS_DATA1, // Complementary data 1 of the metrics gesture. + DT_CMT_METRICS_DATA2, // Complementary data 2 of the metrics gesture. DT_CMT_FINGER_COUNT, // Finger counts in the current gesture. A same type // of gesture can have very different meanings based // on that (e.g. 2f scroll v.s. 3f swipe). @@ -140,6 +151,7 @@ class UI_EXPORT DeviceDataManager { // Returns true if the event is of the specific type, false if not. bool IsScrollEvent(const base::NativeEvent& native_event) const; bool IsFlingEvent(const base::NativeEvent& native_event) const; + bool IsCMTMetricsEvent(const base::NativeEvent& native_event) const; // Returns true if the event has CMT start/end timestamps. bool HasGestureTimes(const base::NativeEvent& native_event) const; @@ -163,6 +175,13 @@ class UI_EXPORT DeviceDataManager { float* vy_ordinal, bool* is_cancel); + // Extract data from a CrOS metrics gesture event. User must first verify + // the event type with IsCMTMetricsEvent. Pointers shouldn't be NULL. + void GetMetricsData(const base::NativeEvent& native_event, + GestureMetricsType* type, + float* data1, + float* data2); + // Extract the start/end timestamps from CMT events. User must first verify // the event with HasGestureTimes. Pointers shouldn't be NULL. void GetGestureTimes(const base::NativeEvent& native_event, |