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1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 | 966x 966x 966x 966x 966x 966x 36604x 36604x 25847x 36604x 1063x 117x 946x 72x 874x 72x 802x 1x 1610x 11286x 11286x 11286x 9765x 1254x 1254x 1254x 1254x 1254x 1254x 1254x 1254x 1254x 1254x 1254x 1254x 1254x 1254x 1085x 1085x 9765x 1x 81x 1501x 27x 27x 27x 27x 184x 184x 184x 184x 70x 114x 49x 65x 65x 184x 184x 184x 184x 184x 184x 88x 88x 88x 1x 1x 157x 157x 157x 157x 121x 121x 97x 97x 121x 24x 24x 12x 12x 704x 704x 704x 704x 59x 59x 704x 41x 41x 704x 57x 57x 1x 613x 613x 613x 613x 613x 613x 581x 581x 581x 613x 613x 95x 1x 8x 8x 8x 8x 8x 8x 4x 4x 20x 20x 20x 20x 20x 20x 20x 20x 16x 16x 29x 29x 29x 29x 29x 34x 34x 34x 29x 29x 29x 34x 34x 34x 36x 36x 36x 36x 36x 36x 36x 36x 36x 36x 36x 36x 36x 36x 1x 1x 1x 1x 1x 65x 65x 65x 65x 65x 18x 18x 15x 15x 18x 18x 4x 4x 18x 13x 13x 2x 2x 2x 2x 2x 18x 65x 1x 1x 1x 1x 65x 22x 22x 22x 22x 22x 22x 22x 1x 1x 22x 7x 3x 3x 3x 3x 1x 1x 1x 1x 1x 22x 65x 3x 3x 3x 2x 2x 2x 2x 16x 16x 16x 16x 16x 20x 20x 20x 20x 10x 16x 16x 16x 20x 20x 20x 1x 1x 16x 16x 16x 16x 16x 6x 6x 6x 6x 6x 1x 1x 1x 6x 6x 10x 2x 2x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1254x 1254x 1254x 1254x 1254x 1254x 1254x 1254x 1254x 1254x 1254x 1254x 1254x 1254x 1254x 1254x 1x 35123x 1x 35122x 1x 35121x 35121x 1x 1265x 1x 1264x 1264x 1x 220x 1x 219x 219x 1x 142x 1x 1085x 1085x 1x 1x | import AssociativeArray from "./AssociativeArray.js";
import Cartesian2 from "./Cartesian2.js";
import defined from "./defined.js";
import destroyObject from "./destroyObject.js";
import DeveloperError from "./DeveloperError.js";
import FeatureDetection from "./FeatureDetection.js";
import getTimestamp from "./getTimestamp.js";
import KeyboardEventModifier from "./KeyboardEventModifier.js";
import ScreenSpaceEventType from "./ScreenSpaceEventType.js";
function getPosition(screenSpaceEventHandler, event, result) {
const element = screenSpaceEventHandler._element;
Iif (element === document) {
result.x = event.clientX;
result.y = event.clientY;
return result;
}
const rect = element.getBoundingClientRect();
result.x = event.clientX - rect.left;
result.y = event.clientY - rect.top;
return result;
}
function getInputEventKey(type, modifier) {
let key = type;
if (defined(modifier)) {
key += `+${modifier}`;
}
return key;
}
function getModifier(event) {
if (event.shiftKey) {
return KeyboardEventModifier.SHIFT;
} else if (event.ctrlKey) {
return KeyboardEventModifier.CTRL;
} else if (event.altKey) {
return KeyboardEventModifier.ALT;
}
return undefined;
}
const MouseButton = {
LEFT: 0,
MIDDLE: 1,
RIGHT: 2,
};
function registerListener(screenSpaceEventHandler, domType, element, callback) {
function listener(e) {
callback(screenSpaceEventHandler, e);
}
Iif (FeatureDetection.isInternetExplorer()) {
element.addEventListener(domType, listener, false);
} else {
element.addEventListener(domType, listener, {
capture: false,
passive: false,
});
}
screenSpaceEventHandler._removalFunctions.push(function () {
element.removeEventListener(domType, listener, false);
});
}
function registerListeners(screenSpaceEventHandler) {
const element = screenSpaceEventHandler._element;
// some listeners may be registered on the document, so we still get events even after
// leaving the bounds of element.
// this is affected by the existence of an undocumented disableRootEvents property on element.
const alternateElement = !defined(element.disableRootEvents)
? document
: element;
Iif (FeatureDetection.supportsPointerEvents()) {
registerListener(
screenSpaceEventHandler,
"pointerdown",
element,
handlePointerDown,
);
registerListener(
screenSpaceEventHandler,
"pointerup",
element,
handlePointerUp,
);
registerListener(
screenSpaceEventHandler,
"pointermove",
element,
handlePointerMove,
);
registerListener(
screenSpaceEventHandler,
"pointercancel",
element,
handlePointerUp,
);
} else {
registerListener(
screenSpaceEventHandler,
"mousedown",
element,
handleMouseDown,
);
registerListener(
screenSpaceEventHandler,
"mouseup",
alternateElement,
handleMouseUp,
);
registerListener(
screenSpaceEventHandler,
"mousemove",
alternateElement,
handleMouseMove,
);
registerListener(
screenSpaceEventHandler,
"touchstart",
element,
handleTouchStart,
);
registerListener(
screenSpaceEventHandler,
"touchend",
alternateElement,
handleTouchEnd,
);
registerListener(
screenSpaceEventHandler,
"touchmove",
alternateElement,
handleTouchMove,
);
registerListener(
screenSpaceEventHandler,
"touchcancel",
alternateElement,
handleTouchEnd,
);
}
registerListener(
screenSpaceEventHandler,
"dblclick",
element,
handleDblClick,
);
// detect available wheel event
let wheelEvent;
if ("onwheel" in element) {
// spec event type
wheelEvent = "wheel";
} else Eif (document.onmousewheel !== undefined) {
// legacy event type
wheelEvent = "mousewheel";
} else {
// older Firefox
wheelEvent = "DOMMouseScroll";
}
registerListener(screenSpaceEventHandler, wheelEvent, element, handleWheel);
}
function unregisterListeners(screenSpaceEventHandler) {
const removalFunctions = screenSpaceEventHandler._removalFunctions;
for (let i = 0; i < removalFunctions.length; ++i) {
removalFunctions[i]();
}
}
const mouseDownEvent = {
position: new Cartesian2(),
};
function gotTouchEvent(screenSpaceEventHandler) {
screenSpaceEventHandler._lastSeenTouchEvent = getTimestamp();
}
function canProcessMouseEvent(screenSpaceEventHandler) {
return (
getTimestamp() - screenSpaceEventHandler._lastSeenTouchEvent >
ScreenSpaceEventHandler.mouseEmulationIgnoreMilliseconds
);
}
function checkPixelTolerance(startPosition, endPosition, pixelTolerance) {
const xDiff = startPosition.x - endPosition.x;
const yDiff = startPosition.y - endPosition.y;
const totalPixels = Math.sqrt(xDiff * xDiff + yDiff * yDiff);
return totalPixels < pixelTolerance;
}
function handleMouseDown(screenSpaceEventHandler, event) {
Iif (!canProcessMouseEvent(screenSpaceEventHandler)) {
return;
}
const button = event.button;
screenSpaceEventHandler._buttonDown[button] = true;
let screenSpaceEventType;
if (button === MouseButton.LEFT) {
screenSpaceEventType = ScreenSpaceEventType.LEFT_DOWN;
} else if (button === MouseButton.MIDDLE) {
screenSpaceEventType = ScreenSpaceEventType.MIDDLE_DOWN;
} else if (button === MouseButton.RIGHT) {
screenSpaceEventType = ScreenSpaceEventType.RIGHT_DOWN;
} else E{
return;
}
const position = getPosition(
screenSpaceEventHandler,
event,
screenSpaceEventHandler._primaryPosition,
);
Cartesian2.clone(position, screenSpaceEventHandler._primaryStartPosition);
Cartesian2.clone(position, screenSpaceEventHandler._primaryPreviousPosition);
const modifier = getModifier(event);
const action = screenSpaceEventHandler.getInputAction(
screenSpaceEventType,
modifier,
);
if (defined(action)) {
Cartesian2.clone(position, mouseDownEvent.position);
action(mouseDownEvent);
event.preventDefault();
}
}
const mouseUpEvent = {
position: new Cartesian2(),
};
const mouseClickEvent = {
position: new Cartesian2(),
};
function cancelMouseEvent(
screenSpaceEventHandler,
screenSpaceEventType,
clickScreenSpaceEventType,
event,
) {
const modifier = getModifier(event);
const action = screenSpaceEventHandler.getInputAction(
screenSpaceEventType,
modifier,
);
const clickAction = screenSpaceEventHandler.getInputAction(
clickScreenSpaceEventType,
modifier,
);
if (defined(action) || defined(clickAction)) {
const position = getPosition(
screenSpaceEventHandler,
event,
screenSpaceEventHandler._primaryPosition,
);
if (defined(action)) {
Cartesian2.clone(position, mouseUpEvent.position);
action(mouseUpEvent);
}
if (defined(clickAction)) {
const startPosition = screenSpaceEventHandler._primaryStartPosition;
if (
checkPixelTolerance(
startPosition,
position,
screenSpaceEventHandler._clickPixelTolerance,
)
) {
Cartesian2.clone(position, mouseClickEvent.position);
clickAction(mouseClickEvent);
}
}
}
}
function handleMouseUp(screenSpaceEventHandler, event) {
Iif (!canProcessMouseEvent(screenSpaceEventHandler)) {
return;
}
const button = event.button;
Iif (
button !== MouseButton.LEFT &&
button !== MouseButton.MIDDLE &&
button !== MouseButton.RIGHT
) {
return;
}
if (screenSpaceEventHandler._buttonDown[MouseButton.LEFT]) {
cancelMouseEvent(
screenSpaceEventHandler,
ScreenSpaceEventType.LEFT_UP,
ScreenSpaceEventType.LEFT_CLICK,
event,
);
screenSpaceEventHandler._buttonDown[MouseButton.LEFT] = false;
}
if (screenSpaceEventHandler._buttonDown[MouseButton.MIDDLE]) {
cancelMouseEvent(
screenSpaceEventHandler,
ScreenSpaceEventType.MIDDLE_UP,
ScreenSpaceEventType.MIDDLE_CLICK,
event,
);
screenSpaceEventHandler._buttonDown[MouseButton.MIDDLE] = false;
}
if (screenSpaceEventHandler._buttonDown[MouseButton.RIGHT]) {
cancelMouseEvent(
screenSpaceEventHandler,
ScreenSpaceEventType.RIGHT_UP,
ScreenSpaceEventType.RIGHT_CLICK,
event,
);
screenSpaceEventHandler._buttonDown[MouseButton.RIGHT] = false;
}
}
const mouseMoveEvent = {
startPosition: new Cartesian2(),
endPosition: new Cartesian2(),
};
function handleMouseMove(screenSpaceEventHandler, event) {
Iif (!canProcessMouseEvent(screenSpaceEventHandler)) {
return;
}
const modifier = getModifier(event);
const position = getPosition(
screenSpaceEventHandler,
event,
screenSpaceEventHandler._primaryPosition,
);
const previousPosition = screenSpaceEventHandler._primaryPreviousPosition;
const action = screenSpaceEventHandler.getInputAction(
ScreenSpaceEventType.MOUSE_MOVE,
modifier,
);
if (defined(action)) {
Cartesian2.clone(previousPosition, mouseMoveEvent.startPosition);
Cartesian2.clone(position, mouseMoveEvent.endPosition);
action(mouseMoveEvent);
}
Cartesian2.clone(position, previousPosition);
if (
screenSpaceEventHandler._buttonDown[MouseButton.LEFT] ||
screenSpaceEventHandler._buttonDown[MouseButton.MIDDLE] ||
screenSpaceEventHandler._buttonDown[MouseButton.RIGHT]
) {
event.preventDefault();
}
}
const mouseDblClickEvent = {
position: new Cartesian2(),
};
function handleDblClick(screenSpaceEventHandler, event) {
const button = event.button;
let screenSpaceEventType;
if (button === MouseButton.LEFT) {
screenSpaceEventType = ScreenSpaceEventType.LEFT_DOUBLE_CLICK;
} else E{
return;
}
const modifier = getModifier(event);
const action = screenSpaceEventHandler.getInputAction(
screenSpaceEventType,
modifier,
);
if (defined(action)) {
getPosition(screenSpaceEventHandler, event, mouseDblClickEvent.position);
action(mouseDblClickEvent);
}
}
function handleWheel(screenSpaceEventHandler, event) {
// currently this event exposes the delta value in terms of
// the obsolete mousewheel event type. so, for now, we adapt the other
// values to that scheme.
let delta;
// standard wheel event uses deltaY. sign is opposite wheelDelta.
// deltaMode indicates what unit it is in.
if (defined(event.deltaY)) {
const deltaMode = event.deltaMode;
if (deltaMode === event.DOM_DELTA_PIXEL) {
delta = -event.deltaY;
} else Eif (deltaMode === event.DOM_DELTA_LINE) {
delta = -event.deltaY * 40;
} else {
// DOM_DELTA_PAGE
delta = -event.deltaY * 120;
}
} else Eif (event.detail > 0) {
// old Firefox versions use event.detail to count the number of clicks. The sign
// of the integer is the direction the wheel is scrolled.
delta = event.detail * -120;
} else {
delta = event.wheelDelta;
}
Iif (!defined(delta)) {
return;
}
const modifier = getModifier(event);
const action = screenSpaceEventHandler.getInputAction(
ScreenSpaceEventType.WHEEL,
modifier,
);
if (defined(action)) {
action(delta);
event.preventDefault();
}
}
function handleTouchStart(screenSpaceEventHandler, event) {
gotTouchEvent(screenSpaceEventHandler);
const changedTouches = event.changedTouches;
let i;
const length = changedTouches.length;
let touch;
let identifier;
const positions = screenSpaceEventHandler._positions;
for (i = 0; i < length; ++i) {
touch = changedTouches[i];
identifier = touch.identifier;
positions.set(
identifier,
getPosition(screenSpaceEventHandler, touch, new Cartesian2()),
);
}
fireTouchEvents(screenSpaceEventHandler, event);
const previousPositions = screenSpaceEventHandler._previousPositions;
for (i = 0; i < length; ++i) {
touch = changedTouches[i];
identifier = touch.identifier;
previousPositions.set(
identifier,
Cartesian2.clone(positions.get(identifier)),
);
}
}
function handleTouchEnd(screenSpaceEventHandler, event) {
gotTouchEvent(screenSpaceEventHandler);
const changedTouches = event.changedTouches;
let i;
const length = changedTouches.length;
let touch;
let identifier;
const positions = screenSpaceEventHandler._positions;
for (i = 0; i < length; ++i) {
touch = changedTouches[i];
identifier = touch.identifier;
positions.remove(identifier);
}
fireTouchEvents(screenSpaceEventHandler, event);
const previousPositions = screenSpaceEventHandler._previousPositions;
for (i = 0; i < length; ++i) {
touch = changedTouches[i];
identifier = touch.identifier;
previousPositions.remove(identifier);
}
}
const touchStartEvent = {
position: new Cartesian2(),
};
const touch2StartEvent = {
position1: new Cartesian2(),
position2: new Cartesian2(),
};
const touchEndEvent = {
position: new Cartesian2(),
};
const touchClickEvent = {
position: new Cartesian2(),
};
const touchHoldEvent = {
position: new Cartesian2(),
};
function fireTouchEvents(screenSpaceEventHandler, event) {
const modifier = getModifier(event);
const positions = screenSpaceEventHandler._positions;
const numberOfTouches = positions.length;
let action;
let clickAction;
const pinching = screenSpaceEventHandler._isPinching;
if (
numberOfTouches !== 1 &&
screenSpaceEventHandler._buttonDown[MouseButton.LEFT]
) {
// transitioning from single touch, trigger UP and might trigger CLICK
screenSpaceEventHandler._buttonDown[MouseButton.LEFT] = false;
if (defined(screenSpaceEventHandler._touchHoldTimer)) {
clearTimeout(screenSpaceEventHandler._touchHoldTimer);
screenSpaceEventHandler._touchHoldTimer = undefined;
}
action = screenSpaceEventHandler.getInputAction(
ScreenSpaceEventType.LEFT_UP,
modifier,
);
if (defined(action)) {
Cartesian2.clone(
screenSpaceEventHandler._primaryPosition,
touchEndEvent.position,
);
action(touchEndEvent);
}
if (numberOfTouches === 0 && !screenSpaceEventHandler._isTouchHolding) {
// releasing single touch, check for CLICK
clickAction = screenSpaceEventHandler.getInputAction(
ScreenSpaceEventType.LEFT_CLICK,
modifier,
);
if (defined(clickAction)) {
const startPosition = screenSpaceEventHandler._primaryStartPosition;
const endPosition =
screenSpaceEventHandler._previousPositions.values[0];
Eif (
checkPixelTolerance(
startPosition,
endPosition,
screenSpaceEventHandler._clickPixelTolerance,
)
) {
Cartesian2.clone(
screenSpaceEventHandler._primaryPosition,
touchClickEvent.position,
);
clickAction(touchClickEvent);
}
}
}
screenSpaceEventHandler._isTouchHolding = false;
// Otherwise don't trigger CLICK, because we are adding more touches.
}
if (numberOfTouches === 0 && pinching) {
// transitioning from pinch, trigger PINCH_END
screenSpaceEventHandler._isPinching = false;
action = screenSpaceEventHandler.getInputAction(
ScreenSpaceEventType.PINCH_END,
modifier,
);
Eif (defined(action)) {
action();
}
}
if (numberOfTouches === 1 && !pinching) {
// transitioning to single touch, trigger DOWN
const position = positions.values[0];
Cartesian2.clone(position, screenSpaceEventHandler._primaryPosition);
Cartesian2.clone(position, screenSpaceEventHandler._primaryStartPosition);
Cartesian2.clone(
position,
screenSpaceEventHandler._primaryPreviousPosition,
);
screenSpaceEventHandler._buttonDown[MouseButton.LEFT] = true;
action = screenSpaceEventHandler.getInputAction(
ScreenSpaceEventType.LEFT_DOWN,
modifier,
);
if (defined(action)) {
Cartesian2.clone(position, touchStartEvent.position);
action(touchStartEvent);
}
screenSpaceEventHandler._touchHoldTimer = setTimeout(function () {
if (!screenSpaceEventHandler.isDestroyed()) {
screenSpaceEventHandler._touchHoldTimer = undefined;
screenSpaceEventHandler._isTouchHolding = true;
clickAction = screenSpaceEventHandler.getInputAction(
ScreenSpaceEventType.RIGHT_CLICK,
modifier,
);
if (defined(clickAction)) {
const startPosition = screenSpaceEventHandler._primaryStartPosition;
const endPosition =
screenSpaceEventHandler._previousPositions.values[0];
Eif (
checkPixelTolerance(
startPosition,
endPosition,
screenSpaceEventHandler._holdPixelTolerance,
)
) {
Cartesian2.clone(
screenSpaceEventHandler._primaryPosition,
touchHoldEvent.position,
);
clickAction(touchHoldEvent);
}
}
}
}, ScreenSpaceEventHandler.touchHoldDelayMilliseconds);
event.preventDefault();
}
if (numberOfTouches === 2 && !pinching) {
// transitioning to pinch, trigger PINCH_START
screenSpaceEventHandler._isPinching = true;
action = screenSpaceEventHandler.getInputAction(
ScreenSpaceEventType.PINCH_START,
modifier,
);
if (defined(action)) {
Cartesian2.clone(positions.values[0], touch2StartEvent.position1);
Cartesian2.clone(positions.values[1], touch2StartEvent.position2);
action(touch2StartEvent);
// Touch-enabled devices, in particular iOS can have many default behaviours for
// "pinch" events, which can still be executed unless we prevent them here.
event.preventDefault();
}
}
}
function handleTouchMove(screenSpaceEventHandler, event) {
gotTouchEvent(screenSpaceEventHandler);
const changedTouches = event.changedTouches;
let i;
const length = changedTouches.length;
let touch;
let identifier;
const positions = screenSpaceEventHandler._positions;
for (i = 0; i < length; ++i) {
touch = changedTouches[i];
identifier = touch.identifier;
const position = positions.get(identifier);
if (defined(position)) {
getPosition(screenSpaceEventHandler, touch, position);
}
}
fireTouchMoveEvents(screenSpaceEventHandler, event);
const previousPositions = screenSpaceEventHandler._previousPositions;
for (i = 0; i < length; ++i) {
touch = changedTouches[i];
identifier = touch.identifier;
Cartesian2.clone(
positions.get(identifier),
previousPositions.get(identifier),
);
}
}
const touchMoveEvent = {
startPosition: new Cartesian2(),
endPosition: new Cartesian2(),
};
const touchPinchMovementEvent = {
distance: {
startPosition: new Cartesian2(),
endPosition: new Cartesian2(),
},
angleAndHeight: {
startPosition: new Cartesian2(),
endPosition: new Cartesian2(),
},
};
function fireTouchMoveEvents(screenSpaceEventHandler, event) {
const modifier = getModifier(event);
const positions = screenSpaceEventHandler._positions;
const previousPositions = screenSpaceEventHandler._previousPositions;
const numberOfTouches = positions.length;
let action;
if (
numberOfTouches === 1 &&
screenSpaceEventHandler._buttonDown[MouseButton.LEFT]
) {
// moving single touch
const position = positions.values[0];
Cartesian2.clone(position, screenSpaceEventHandler._primaryPosition);
const previousPosition = screenSpaceEventHandler._primaryPreviousPosition;
action = screenSpaceEventHandler.getInputAction(
ScreenSpaceEventType.MOUSE_MOVE,
modifier,
);
if (defined(action)) {
Cartesian2.clone(previousPosition, touchMoveEvent.startPosition);
Cartesian2.clone(position, touchMoveEvent.endPosition);
action(touchMoveEvent);
}
Cartesian2.clone(position, previousPosition);
event.preventDefault();
} else if (numberOfTouches === 2 && screenSpaceEventHandler._isPinching) {
// moving pinch
action = screenSpaceEventHandler.getInputAction(
ScreenSpaceEventType.PINCH_MOVE,
modifier,
);
if (defined(action)) {
const position1 = positions.values[0];
const position2 = positions.values[1];
const previousPosition1 = previousPositions.values[0];
const previousPosition2 = previousPositions.values[1];
const dX = position2.x - position1.x;
const dY = position2.y - position1.y;
const dist = Math.sqrt(dX * dX + dY * dY) * 0.25;
const prevDX = previousPosition2.x - previousPosition1.x;
const prevDY = previousPosition2.y - previousPosition1.y;
const prevDist = Math.sqrt(prevDX * prevDX + prevDY * prevDY) * 0.25;
const cY = (position2.y + position1.y) * 0.125;
const prevCY = (previousPosition2.y + previousPosition1.y) * 0.125;
const angle = Math.atan2(dY, dX);
const prevAngle = Math.atan2(prevDY, prevDX);
Cartesian2.fromElements(
0.0,
prevDist,
touchPinchMovementEvent.distance.startPosition,
);
Cartesian2.fromElements(
0.0,
dist,
touchPinchMovementEvent.distance.endPosition,
);
Cartesian2.fromElements(
prevAngle,
prevCY,
touchPinchMovementEvent.angleAndHeight.startPosition,
);
Cartesian2.fromElements(
angle,
cY,
touchPinchMovementEvent.angleAndHeight.endPosition,
);
action(touchPinchMovementEvent);
}
}
}
function handlePointerDown(screenSpaceEventHandler, event) {
event.target.setPointerCapture(event.pointerId);
if (event.pointerType === "touch") {
const positions = screenSpaceEventHandler._positions;
const identifier = event.pointerId;
positions.set(
identifier,
getPosition(screenSpaceEventHandler, event, new Cartesian2()),
);
fireTouchEvents(screenSpaceEventHandler, event);
const previousPositions = screenSpaceEventHandler._previousPositions;
previousPositions.set(
identifier,
Cartesian2.clone(positions.get(identifier)),
);
} else {
handleMouseDown(screenSpaceEventHandler, event);
}
}
function handlePointerUp(screenSpaceEventHandler, event) {
if (event.pointerType === "touch") {
const positions = screenSpaceEventHandler._positions;
const identifier = event.pointerId;
positions.remove(identifier);
fireTouchEvents(screenSpaceEventHandler, event);
const previousPositions = screenSpaceEventHandler._previousPositions;
previousPositions.remove(identifier);
} else {
handleMouseUp(screenSpaceEventHandler, event);
}
}
function handlePointerMove(screenSpaceEventHandler, event) {
if (event.pointerType === "touch") {
const positions = screenSpaceEventHandler._positions;
const identifier = event.pointerId;
const position = positions.get(identifier);
if (!defined(position)) {
return;
}
getPosition(screenSpaceEventHandler, event, position);
fireTouchMoveEvents(screenSpaceEventHandler, event);
const previousPositions = screenSpaceEventHandler._previousPositions;
Cartesian2.clone(
positions.get(identifier),
previousPositions.get(identifier),
);
} else {
handleMouseMove(screenSpaceEventHandler, event);
}
}
/**
* @typedef {object} ScreenSpaceEventHandler.PositionedEvent
*
* An Event that occurs at a single position on screen.
*
* @property {Cartesian2} position
*/
/**
* @callback ScreenSpaceEventHandler.PositionedEventCallback
*
* The callback invoked when a positioned event triggers an event listener.
*
* @param {ScreenSpaceEventHandler.PositionedEvent} event The event which triggered the listener
*/
/**
* @typedef {object} ScreenSpaceEventHandler.MotionEvent
*
* An Event that starts at one position and ends at another.
*
* @property {Cartesian2} startPosition
* @property {Cartesian2} endPosition
*/
/**
* @callback ScreenSpaceEventHandler.MotionEventCallback
*
* The callback invoked when a motion event triggers an event listener.
*
* @param {ScreenSpaceEventHandler.MotionEvent} event The event which triggered the listener
*/
/**
* @typedef {object} ScreenSpaceEventHandler.TwoPointEvent
*
* An Event that occurs at a two positions on screen.
*
* @property {Cartesian2} position1
* @property {Cartesian2} position2
*/
/**
* @callback ScreenSpaceEventHandler.TwoPointEventCallback
*
* The callback invoked when a two-point event triggers an event listener.
*
* @param {ScreenSpaceEventHandler.TwoPointEvent} event The event which triggered the listener
*/
/**
* @typedef {object} ScreenSpaceEventHandler.TwoPointMotionEvent
*
* An Event that starts at a two positions on screen and moves to two other positions.
*
* @property {Cartesian2} position1
* @property {Cartesian2} position2
* @property {Cartesian2} previousPosition1
* @property {Cartesian2} previousPosition2
*/
/**
* @callback ScreenSpaceEventHandler.TwoPointMotionEventCallback
*
* The callback invoked when a two-point motion event triggers an event listener.
*
* @param {ScreenSpaceEventHandler.TwoPointMotionEvent} event The event which triggered the listener
*/
/**
* @callback ScreenSpaceEventHandler.WheelEventCallback
*
* The callback invoked when a mouse-wheel event triggers an event listener.
*
* @param {number} delta The amount that the mouse wheel moved
*/
/**
* Handles user input events. Custom functions can be added to be executed on
* when the user enters input.
*
* @alias ScreenSpaceEventHandler
*
* @param {HTMLCanvasElement} [element=document] The element to add events to.
*
* @constructor
*/
function ScreenSpaceEventHandler(element) {
this._inputEvents = {};
this._buttonDown = {
[MouseButton.LEFT]: false,
[MouseButton.MIDDLE]: false,
[MouseButton.RIGHT]: false,
};
this._isPinching = false;
this._isTouchHolding = false;
this._lastSeenTouchEvent =
-ScreenSpaceEventHandler.mouseEmulationIgnoreMilliseconds;
this._primaryStartPosition = new Cartesian2();
this._primaryPosition = new Cartesian2();
this._primaryPreviousPosition = new Cartesian2();
this._positions = new AssociativeArray();
this._previousPositions = new AssociativeArray();
this._removalFunctions = [];
this._touchHoldTimer = undefined;
// TODO: Revisit when doing mobile development. May need to be configurable
// or determined based on the platform?
this._clickPixelTolerance = 5;
this._holdPixelTolerance = 25;
this._element = element ?? document;
registerListeners(this);
}
/**
* Set a function to be executed on an input event.
*
* @param {ScreenSpaceEventHandler.PositionedEventCallback|ScreenSpaceEventHandler.MotionEventCallback|ScreenSpaceEventHandler.WheelEventCallback|ScreenSpaceEventHandler.TwoPointEventCallback|ScreenSpaceEventHandler.TwoPointMotionEventCallback} action Function to be executed when the input event occurs.
* @param {ScreenSpaceEventType} type The ScreenSpaceEventType of input event.
* @param {KeyboardEventModifier} [modifier] A KeyboardEventModifier key that is held when a <code>type</code>
* event occurs.
*
* @see ScreenSpaceEventHandler#getInputAction
* @see ScreenSpaceEventHandler#removeInputAction
*/
ScreenSpaceEventHandler.prototype.setInputAction = function (
action,
type,
modifier,
) {
//>>includeStart('debug', pragmas.debug);
if (!defined(action)) {
throw new DeveloperError("action is required.");
}
if (!defined(type)) {
throw new DeveloperError("type is required.");
}
//>>includeEnd('debug');
const key = getInputEventKey(type, modifier);
this._inputEvents[key] = action;
};
/**
* Returns the function to be executed on an input event.
*
* @param {ScreenSpaceEventType} type The ScreenSpaceEventType of input event.
* @param {KeyboardEventModifier} [modifier] A KeyboardEventModifier key that is held when a <code>type</code>
* event occurs.
*
* @returns {ScreenSpaceEventHandler.PositionedEventCallback|ScreenSpaceEventHandler.MotionEventCallback|ScreenSpaceEventHandler.WheelEventCallback|ScreenSpaceEventHandler.TwoPointEventCallback|ScreenSpaceEventHandler.TwoPointMotionEventCallback} The function to be executed on an input event.
*
* @see ScreenSpaceEventHandler#setInputAction
* @see ScreenSpaceEventHandler#removeInputAction
*/
ScreenSpaceEventHandler.prototype.getInputAction = function (type, modifier) {
//>>includeStart('debug', pragmas.debug);
if (!defined(type)) {
throw new DeveloperError("type is required.");
}
//>>includeEnd('debug');
const key = getInputEventKey(type, modifier);
return this._inputEvents[key];
};
/**
* Removes the function to be executed on an input event.
*
* @param {ScreenSpaceEventType} type The ScreenSpaceEventType of input event.
* @param {KeyboardEventModifier} [modifier] A KeyboardEventModifier key that is held when a <code>type</code>
* event occurs.
*
* @see ScreenSpaceEventHandler#getInputAction
* @see ScreenSpaceEventHandler#setInputAction
*/
ScreenSpaceEventHandler.prototype.removeInputAction = function (
type,
modifier,
) {
//>>includeStart('debug', pragmas.debug);
if (!defined(type)) {
throw new DeveloperError("type is required.");
}
//>>includeEnd('debug');
const key = getInputEventKey(type, modifier);
delete this._inputEvents[key];
};
/**
* Returns true if this object was destroyed; otherwise, false.
* <br /><br />
* If this object was destroyed, it should not be used; calling any function other than
* <code>isDestroyed</code> will result in a {@link DeveloperError} exception.
*
* @returns {boolean} <code>true</code> if this object was destroyed; otherwise, <code>false</code>.
*
* @see ScreenSpaceEventHandler#destroy
*/
ScreenSpaceEventHandler.prototype.isDestroyed = function () {
return false;
};
/**
* Removes listeners held by this object.
* <br /><br />
* Once an object is destroyed, it should not be used; calling any function other than
* <code>isDestroyed</code> will result in a {@link DeveloperError} exception. Therefore,
* assign the return value (<code>undefined</code>) to the object as done in the example.
*
* @exception {DeveloperError} This object was destroyed, i.e., destroy() was called.
*
*
* @example
* handler = handler && handler.destroy();
*
* @see ScreenSpaceEventHandler#isDestroyed
*/
ScreenSpaceEventHandler.prototype.destroy = function () {
unregisterListeners(this);
return destroyObject(this);
};
/**
* The amount of time, in milliseconds, that mouse events will be disabled after
* receiving any touch events, such that any emulated mouse events will be ignored.
* @type {number}
* @default 800
*/
ScreenSpaceEventHandler.mouseEmulationIgnoreMilliseconds = 800;
/**
* The amount of time, in milliseconds, before a touch on the screen becomes a
* touch and hold.
* @type {number}
* @default 1500
*/
ScreenSpaceEventHandler.touchHoldDelayMilliseconds = 1500;
export default ScreenSpaceEventHandler;
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