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   1 #ifndef UI_BASE_TOUCH_AXIS_H
   2 #define UI_BASE_TOUCH_AXIS_H
   3 
   4 #include "base/property_bag.h"
   5 
   6 #include <iostream>
   7 #include <limits>
   8 #include <string>
   9 
  10 namespace ui {
  11 
  12 class Axis {
  13  public:
  14 
  15   enum Type {
  16     AXIS_TYPE_X = 0, /**< X coordinate */
  17     AXIS_TYPE_Y, /**< Y coordinate */
  18     AXIS_TYPE_TOUCH_MAJOR, /**< Width along major axis of contact area of touch */
  19     AXIS_TYPE_TOUCH_MINOR, /**< Width along minor axis of contact area of touch */
  20     AXIS_TYPE_WIDTH_MAJOR, /**< Width along major axis of touch tool */
  21     AXIS_TYPE_WIDTH_MINOR, /**< Width along minor axis of touch tool */
  22     AXIS_TYPE_ORIENTATION, /**< Orientation of major axis of contact ellipse */
  23     AXIS_TYPE_TOOL, /**< Tool type */
  24     AXIS_TYPE_BLOB_ID, /**< Blob ID of group of touches */
  25     AXIS_TYPE_TRACKING_ID, /**< Tracking ID */
  26     AXIS_TYPE_PRESSURE, /**< Pressure */
  27     AXIS_TYPE_HOVER_DISTANCE, /**< Hover distance */
  28     AXIS_TYPE_UNKNOWN,
  29     AXIS_TYPE_LAST
  30   };
  31 
  32   Axis()
  33       : id_(-1),
  34         type_(AXIS_TYPE_UNKNOWN),
  35         name_("Unknown axis"),
  36         min_(-std::numeric_limits<float>::max()),
  37         max_(std::numeric_limits<float>::max()),
  38         resolution_(0.f),
  39         value_(0.f),
  40         payload_(NULL) {
  41   }
  42 
  43   ~Axis() {
  44     delete(payload_);
  45   }
  46   
  47   int id() const { return id_; }
  48   void set_id(int id) { id_ = id; }
  49 
  50   Type type() const { return type_; }
  51   void set_type(Type type) { type_ = type; }
  52 
  53   const std::string & name() const { return name_; }
  54   void set_name(const std::string& name) { name_ = name; }
  55 
  56   float min() const { return min_; }
  57   void set_min(float min) { min_ = min; }
  58 
  59   float max() const { return max_; }
  60   void set_max(float max) { max_ = max; }
  61 
  62   float resolution() const { return resolution_; }
  63   void set_resolution(float res) { resolution_ = res; }
  64 
  65   float value() const { return value_; }
  66   void set_value(float value) { value_ = value; }
  67   
  68   base::PropertyBag * payload() {
  69     if(payload_ == NULL)
  70       payload_ = new base::PropertyBag();
  71 
  72     return payload_;
  73   }
  74   
  75  private:
  76   int id_;
  77   Type type_;
  78   std::string name_;
  79   float min_;
  80   float max_;
  81   float resolution_;
  82   float value_;
  83   base::PropertyBag* payload_;
  84 };
  85 
  86 std::ostream & operator<<(std::ostream& out, const Axis& axis);
  87 
  88 }
  89 
  90 #endif // UI_BASE_TOUCH_AXIS_H
  91