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import { __extends } from "tslib";
import * as util from './core/util.js';
import * as vec2 from './core/vector.js';
import Draggable from './mixin/Draggable.js';
import Eventful from './core/Eventful.js';
import * as eventTool from './core/event.js';
import { GestureMgr } from './core/GestureMgr.js';
import BoundingRect from './core/BoundingRect.js';
var SILENT = 'silent';
function makeEventPacket(eveType, targetInfo, event) {
return {
type: eveType,
event: event,
target: targetInfo.target,
topTarget: targetInfo.topTarget,
cancelBubble: false,
offsetX: event.zrX,
offsetY: event.zrY,
gestureEvent: event.gestureEvent,
pinchX: event.pinchX,
pinchY: event.pinchY,
pinchScale: event.pinchScale,
wheelDelta: event.zrDelta,
zrByTouch: event.zrByTouch,
which: event.which,
stop: stopEvent
};
}
function stopEvent() {
eventTool.stop(this.event);
}
var EmptyProxy = (function (_super) {
__extends(EmptyProxy, _super);
function EmptyProxy() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this.handler = null;
return _this;
}
EmptyProxy.prototype.dispose = function () { };
EmptyProxy.prototype.setCursor = function () { };
return EmptyProxy;
}(Eventful));
var HoveredResult = (function () {
function HoveredResult(x, y) {
this.x = x;
this.y = y;
}
return HoveredResult;
}());
var handlerNames = [
'click', 'dblclick', 'mousewheel', 'mouseout',
'mouseup', 'mousedown', 'mousemove', 'contextmenu'
];
var tmpRect = new BoundingRect(0, 0, 0, 0);
var Handler = (function (_super) {
__extends(Handler, _super);
function Handler(storage, painter, proxy, painterRoot, pointerSize) {
var _this = _super.call(this) || this;
_this._hovered = new HoveredResult(0, 0);
_this.storage = storage;
_this.painter = painter;
_this.painterRoot = painterRoot;
_this._pointerSize = pointerSize;
proxy = proxy || new EmptyProxy();
_this.proxy = null;
_this.setHandlerProxy(proxy);
_this._draggingMgr = new Draggable(_this);
return _this;
}
Handler.prototype.setHandlerProxy = function (proxy) {
if (this.proxy) {
this.proxy.dispose();
}
if (proxy) {
util.each(handlerNames, function (name) {
proxy.on && proxy.on(name, this[name], this);
}, this);
proxy.handler = this;
}
this.proxy = proxy;
};
Handler.prototype.mousemove = function (event) {
var x = event.zrX;
var y = event.zrY;
var isOutside = isOutsideBoundary(this, x, y);
var lastHovered = this._hovered;
var lastHoveredTarget = lastHovered.target;
if (lastHoveredTarget && !lastHoveredTarget.__zr) {
lastHovered = this.findHover(lastHovered.x, lastHovered.y);
lastHoveredTarget = lastHovered.target;
}
var hovered = this._hovered = isOutside ? new HoveredResult(x, y) : this.findHover(x, y);
var hoveredTarget = hovered.target;
var proxy = this.proxy;
proxy.setCursor && proxy.setCursor(hoveredTarget ? hoveredTarget.cursor : 'default');
if (lastHoveredTarget && hoveredTarget !== lastHoveredTarget) {
this.dispatchToElement(lastHovered, 'mouseout', event);
}
this.dispatchToElement(hovered, 'mousemove', event);
if (hoveredTarget && hoveredTarget !== lastHoveredTarget) {
this.dispatchToElement(hovered, 'mouseover', event);
}
};
Handler.prototype.mouseout = function (event) {
var eventControl = event.zrEventControl;
if (eventControl !== 'only_globalout') {
this.dispatchToElement(this._hovered, 'mouseout', event);
}
if (eventControl !== 'no_globalout') {
this.trigger('globalout', { type: 'globalout', event: event });
}
};
Handler.prototype.resize = function () {
this._hovered = new HoveredResult(0, 0);
};
Handler.prototype.dispatch = function (eventName, eventArgs) {
var handler = this[eventName];
handler && handler.call(this, eventArgs);
};
Handler.prototype.dispose = function () {
this.proxy.dispose();
this.storage = null;
this.proxy = null;
this.painter = null;
};
Handler.prototype.setCursorStyle = function (cursorStyle) {
var proxy = this.proxy;
proxy.setCursor && proxy.setCursor(cursorStyle);
};
Handler.prototype.dispatchToElement = function (targetInfo, eventName, event) {
targetInfo = targetInfo || {};
var el = targetInfo.target;
if (el && el.silent) {
return;
}
var eventKey = ('on' + eventName);
var eventPacket = makeEventPacket(eventName, targetInfo, event);
while (el) {
el[eventKey]
&& (eventPacket.cancelBubble = !!el[eventKey].call(el, eventPacket));
el.trigger(eventName, eventPacket);
el = el.__hostTarget ? el.__hostTarget : el.parent;
if (eventPacket.cancelBubble) {
break;
}
}
if (!eventPacket.cancelBubble) {
this.trigger(eventName, eventPacket);
if (this.painter && this.painter.eachOtherLayer) {
this.painter.eachOtherLayer(function (layer) {
if (typeof (layer[eventKey]) === 'function') {
layer[eventKey].call(layer, eventPacket);
}
if (layer.trigger) {
layer.trigger(eventName, eventPacket);
}
});
}
}
};
Handler.prototype.findHover = function (x, y, exclude) {
var list = this.storage.getDisplayList();
var out = new HoveredResult(x, y);
setHoverTarget(list, out, x, y, exclude);
if (this._pointerSize && !out.target) {
var candidates = [];
var pointerSize = this._pointerSize;
var targetSizeHalf = pointerSize / 2;
var pointerRect = new BoundingRect(x - targetSizeHalf, y - targetSizeHalf, pointerSize, pointerSize);
for (var i = list.length - 1; i >= 0; i--) {
var el = list[i];
if (el !== exclude
&& !el.ignore
&& !el.ignoreCoarsePointer
&& (!el.parent || !el.parent.ignoreCoarsePointer)) {
tmpRect.copy(el.getBoundingRect());
if (el.transform) {
tmpRect.applyTransform(el.transform);
}
if (tmpRect.intersect(pointerRect)) {
candidates.push(el);
}
}
}
if (candidates.length) {
var rStep = 4;
var thetaStep = Math.PI / 12;
var PI2 = Math.PI * 2;
for (var r = 0; r < targetSizeHalf; r += rStep) {
for (var theta = 0; theta < PI2; theta += thetaStep) {
var x1 = x + r * Math.cos(theta);
var y1 = y + r * Math.sin(theta);
setHoverTarget(candidates, out, x1, y1, exclude);
if (out.target) {
return out;
}
}
}
}
}
return out;
};
Handler.prototype.processGesture = function (event, stage) {
if (!this._gestureMgr) {
this._gestureMgr = new GestureMgr();
}
var gestureMgr = this._gestureMgr;
stage === 'start' && gestureMgr.clear();
var gestureInfo = gestureMgr.recognize(event, this.findHover(event.zrX, event.zrY, null).target, this.proxy.dom);
stage === 'end' && gestureMgr.clear();
if (gestureInfo) {
var type = gestureInfo.type;
event.gestureEvent = type;
var res = new HoveredResult();
res.target = gestureInfo.target;
this.dispatchToElement(res, type, gestureInfo.event);
}
};
return Handler;
}(Eventful));
util.each(['click', 'mousedown', 'mouseup', 'mousewheel', 'dblclick', 'contextmenu'], function (name) {
Handler.prototype[name] = function (event) {
var x = event.zrX;
var y = event.zrY;
var isOutside = isOutsideBoundary(this, x, y);
var hovered;
var hoveredTarget;
if (name !== 'mouseup' || !isOutside) {
hovered = this.findHover(x, y);
hoveredTarget = hovered.target;
}
if (name === 'mousedown') {
this._downEl = hoveredTarget;
this._downPoint = [event.zrX, event.zrY];
this._upEl = hoveredTarget;
}
else if (name === 'mouseup') {
this._upEl = hoveredTarget;
}
else if (name === 'click') {
if (this._downEl !== this._upEl
|| !this._downPoint
|| vec2.dist(this._downPoint, [event.zrX, event.zrY]) > 4) {
return;
}
this._downPoint = null;
}
this.dispatchToElement(hovered, name, event);
};
});
function isHover(displayable, x, y) {
if (displayable[displayable.rectHover ? 'rectContain' : 'contain'](x, y)) {
var el = displayable;
var isSilent = void 0;
var ignoreClip = false;
while (el) {
if (el.ignoreClip) {
ignoreClip = true;
}
if (!ignoreClip) {
var clipPath = el.getClipPath();
if (clipPath && !clipPath.contain(x, y)) {
return false;
}
}
if (el.silent) {
isSilent = true;
}
var hostEl = el.__hostTarget;
el = hostEl ? (el.ignoreHostSilent ? null : hostEl) : el.parent;
}
return isSilent ? SILENT : true;
}
return false;
}
function setHoverTarget(list, out, x, y, exclude) {
for (var i = list.length - 1; i >= 0; i--) {
var el = list[i];
var hoverCheckResult = void 0;
if (el !== exclude
&& !el.ignore
&& (hoverCheckResult = isHover(el, x, y))) {
!out.topTarget && (out.topTarget = el);
if (hoverCheckResult !== SILENT) {
out.target = el;
break;
}
}
}
}
function isOutsideBoundary(handlerInstance, x, y) {
var painter = handlerInstance.painter;
return x < 0 || x > painter.getWidth() || y < 0 || y > painter.getHeight();
}
export default Handler;