(ev: UIEvent)
| 55 | }); |
| 56 | |
| 57 | const pointerDown = (ev: UIEvent): boolean => { |
| 58 | const timeStamp = now(ev); |
| 59 | if (hasStartedPan || !hasFiredStart) { |
| 60 | return false; |
| 61 | } |
| 62 | |
| 63 | updateDetail(ev, detail); |
| 64 | detail.startX = detail.currentX; |
| 65 | detail.startY = detail.currentY; |
| 66 | detail.startTime = detail.currentTime = timeStamp; |
| 67 | detail.velocityX = detail.velocityY = detail.deltaX = detail.deltaY = 0; |
| 68 | detail.event = ev; |
| 69 | |
| 70 | // Check if gesture can start |
| 71 | if (canStart && canStart(detail) === false) { |
| 72 | return false; |
| 73 | } |
| 74 | // Release fallback |
| 75 | gesture.release(); |
| 76 | |
| 77 | // Start gesture |
| 78 | if (!gesture.start()) { |
| 79 | return false; |
| 80 | } |
| 81 | |
| 82 | hasStartedPan = true; |
| 83 | if (threshold === 0) { |
| 84 | return tryToCapturePan(); |
| 85 | } |
| 86 | pan.start(detail.startX, detail.startY); |
| 87 | return true; |
| 88 | }; |
| 89 | |
| 90 | const pointerMove = (ev: UIEvent) => { |
| 91 | // fast path, if gesture is currently captured |
no test coverage detected