class GestureHandler
Defined at line 24 of file ../../src/ui/a11y/lib/gesture_manager/gesture_handler.h
A GestureHandler binds gestures to actions, and allows gestures to call these
actions when necessary.
Public Methods
void GestureHandler (AddRecognizerToArenaCallback add_recognizer_callback)Defined at line 26 of file ../../src/ui/a11y/lib/gesture_manager/gesture_handler.cc
bool BindMFingerNTapAction (uint32_t num_fingers, uint32_t num_taps, OnGestureCallback on_recognize)Binds the action defined in |on_recognize| with the m-finger-n-tap gesture
corresponding to |num_fingers| and |num_taps|.
Defined at line 55 of file ../../src/ui/a11y/lib/gesture_manager/gesture_handler.cc
void ~GestureHandler ()Defined at line 56 of file ../../src/ui/a11y/lib/gesture_manager/gesture_handler.h
bool BindOneFingerSingleTapAction (OnGestureCallback callback)Binds the action defined in |callback| with the gesture |kOneFingerSingleTap|. The action is
invoked only after the gesture is detected.
Defined at line 106 of file ../../src/ui/a11y/lib/gesture_manager/gesture_handler.cc
bool BindOneFingerDoubleTapAction (OnGestureCallback callback)Binds the action defined in |callback| with the gesture |kOneFingerDoubleTap|. The action is
invoked only after the gesture is detected.
Defined at line 110 of file ../../src/ui/a11y/lib/gesture_manager/gesture_handler.cc
bool BindOneFingerDragAction (OnGestureCallback on_start, OnGestureCallback on_update, OnGestureCallback on_complete)Binds the actions with the gesture |kOneFingerDrag|.
They are called when the drag starts, updates and completes, respectively.
Defined at line 143 of file ../../src/ui/a11y/lib/gesture_manager/gesture_handler.cc
bool BindTwoFingerDragAction (OnGestureCallback on_start, OnGestureCallback on_update, OnGestureCallback on_complete)Binds the actions with the gesture |kTwoFingerDrag|.
They are called when the drag starts, updates and completes, respectively.
Defined at line 168 of file ../../src/ui/a11y/lib/gesture_manager/gesture_handler.cc
bool BindSwipeAction (OnGestureCallback callback, GestureType gesture_type)Binds the action defined in |callback| with the |gesture_type|. Returns true if the |callback|
is bound, false otherwise
Defined at line 193 of file ../../src/ui/a11y/lib/gesture_manager/gesture_handler.cc
bool BindTwoFingerSingleTapAction (OnGestureCallback callback)Binds the action defined in |callback| with the |kTwoFingerSingleTap|. The
action is invoked only after the gesture is detected.
Defined at line 339 of file ../../src/ui/a11y/lib/gesture_manager/gesture_handler.cc
bool BindMFingerNTapDragAction (OnGestureCallback on_start, OnGestureCallback on_update, OnGestureCallback on_complete, uint32_t num_fingers, uint32_t num_taps)Binds the actions with the corresponding m-finger-n-tap-drag gesture.
Defined at line 357 of file ../../src/ui/a11y/lib/gesture_manager/gesture_handler.cc
void ConsumeAll ()Binds a recognizer that consumes everything.
Defined at line 412 of file ../../src/ui/a11y/lib/gesture_manager/gesture_handler.cc
Protected Methods
void GestureHandler ()Constructor for mocks.
Defined at line 99 of file ../../src/ui/a11y/lib/gesture_manager/gesture_handler.h
Enumerations
enum GestureType| Name | Value |
|---|---|
| kUnknown | 0 |
| kOneFingerSingleTap | 1 |
| kOneFingerDoubleTap | 2 |
| kOneFingerTripleTap | 3 |
| kOneFingerDoubleTapDrag | 4 |
| kOneFingerTripleTapDrag | 5 |
| kOneFingerDrag | 6 |
| kOneFingerUpSwipe | 7 |
| kOneFingerDownSwipe | 8 |
| kOneFingerLeftSwipe | 9 |
| kOneFingerRightSwipe | 10 |
| kThreeFingerUpSwipe | 11 |
| kThreeFingerDownSwipe | 12 |
| kThreeFingerLeftSwipe | 13 |
| kThreeFingerRightSwipe | 14 |
| kThreeFingerDoubleTap | 15 |
| kThreeFingerDoubleTapDrag | 16 |
| kTwoFingerSingleTap | 17 |
| kTwoFingerDrag | 18 |
The high-level gestures identified by this class.
Defined at line 30 of file ../../src/ui/a11y/lib/gesture_manager/gesture_handler.h
enum GestureEvent| Name | Value |
|---|---|
| kRecognize | 0 |
| kUpdate | 1 |
| kComplete | 2 |
Defined at line 108 of file ../../src/ui/a11y/lib/gesture_manager/gesture_handler.h