src/ui/events/gestures/gestures.dot

   1 // A diagram of the state machine found in gesture_sequence.cc
   2 // To generate a pdf:
   3 // dot -Tpdf -ooutput.pdf gestures.dot
   4 //
   5 // If you alter this diagram, please update:
   6 // sites.google.com/a/chromium.org/dev/developers/design-documents/aura/gesture-recognizer
   7
   8 digraph G {
   9 ratio = 1;
  10
  11 legend[label = "{   \
  12 M : Move          \l\
  13 D : Down          \l\
  14 S : Stationary    \l\
  15 C : Cancel        \l\
  16 R : Release       \l\
  17 M_Delay : Move after a certain delay}"
  18 shape = record]
  19
  20 GS_NO_GESTURE ->  GS_PENDING_SYNTHETIC_CLICK [label= "D0"];
  21
  22 GS_PENDING_SYNTHETIC_CLICK -> GS_SCROLL [label= "M0\n S0"];
  23 GS_PENDING_SYNTHETIC_CLICK -> GS_PENDING_SYNTHETIC_CLICK [label= "M0\n S0"];
  24 GS_PENDING_SYNTHETIC_CLICK -> GS_NO_GESTURE [label= "C0\n R0"];
  25 GS_PENDING_SYNTHETIC_CLICK -> GS_PENDING_SYNTHETIC_CLICK_NO_SCROLL [label= "M0"];
  26 GS_PENDING_SYNTHETIC_CLICK -> GS_PENDING_TWO_FINGER_TAP [label= "D1"];
  27 GS_PENDING_SYNTHETIC_CLICK -> GS_PENDING_PINCH [label= "D1"];
  28
  29 GS_PENDING_SYNTHETIC_CLICK_NO_SCROLL -> GS_PENDING_SYNTHETIC_CLICK_NO_SCROLL [label= "M0\n S0"];
  30 GS_PENDING_SYNTHETIC_CLICK_NO_SCROLL -> GS_NO_GESTURE [label= "C0\n R0"];
  31 GS_PENDING_SYNTHETIC_CLICK_NO_SCROLL -> GS_PENDING_TWO_FINGER_TAP [label= "D1"];
  32 GS_PENDING_SYNTHETIC_CLICK_NO_SCROLL -> GS_PENDING_PINCH [label= "D1"];
  33
  34 GS_SCROLL -> GS_SCROLL [label= "M0"];
  35 GS_SCROLL -> GS_NO_GESTURE [label= "C0\n R0\n"];
  36 GS_SCROLL -> GS_PENDING_TWO_FINGER_TAP [label= "D1"];
  37
  38 GS_PENDING_PINCH -> GS_PENDING_PINCH [label= "M0\n M1"];
  39 GS_PENDING_PINCH -> GS_PENDING_PINCH_NO_PINCH [label= "M0\n M1"];
  40 GS_PENDING_PINCH -> GS_PINCH [label= "M0\n M1"];
  41 GS_PENDING_PINCH -> GS_SCROLL [label= "R0\n R1\n C0\n C1"];
  42
  43 GS_PENDING_PINCH_NO_PINCH -> GS_PENDING_PINCH_NO_PINCH [label= "M0\n M1"];
  44 GS_PENDING_PINCH_NO_PINCH -> GS_SCROLL [label= "R0\n R1\n C0\n C1"];
  45
  46 GS_PENDING_TWO_FINGER_TAP -> GS_PENDING_TWO_FINGER_TAP [label= "M0\n M1"];
  47 GS_PENDING_TWO_FINGER_TAP -> GS_PENDING_TWO_FINGER_TAP_NO_PINCH [label= "M0\n M1"];
  48 GS_PENDING_TWO_FINGER_TAP -> GS_PINCH [label= "M0\n M1"];
  49 GS_PENDING_TWO_FINGER_TAP -> GS_PINCH [label= "M_Delay0\n M_Delay1"];
  50 GS_PENDING_TWO_FINGER_TAP -> GS_PINCH [label= "D2"];
  51 GS_PENDING_TWO_FINGER_TAP -> GS_SCROLL [label= "R0\n R1\n C0\n C1"];
  52
  53 GS_PENDING_TWO_FINGER_TAP_NO_PINCH -> GS_PENDING_TWO_FINGER_TAP_NO_PINCH [label= "M0\n M1"];
  54 GS_PENDING_TWO_FINGER_TAP_NO_PINCH -> GS_SCROLL [label= "R0\n R1\n C0\n C1"];
  55
  56 GS_PINCH -> GS_PINCH [label= "M0\n M1"];
  57 GS_PINCH -> GS_SCROLL [label= "C0\n R0\n C1\n R1"];
  58 GS_PINCH -> GS_PENDING_THREE_FINGER_SWIPE [label= "D2"];
  59
  60 GS_PENDING_THREE_FINGER_SWIPE -> GS_PINCH [label= "C0\n R0\n C1\n R1\n C2\n R2"];
  61 GS_PENDING_THREE_FINGER_SWIPE -> GS_PENDING_THREE_FINGER_SWIPE [label= "M0\n M1\n M2"];
  62 }