1 files changed, 313 insertions, 0 deletions
diff --git a/debian/missing-sources/leaflet.js/dom/DomEvent.js b/debian/missing-sources/leaflet.js/dom/DomEvent.js
new file mode 100644
index 0000000..a544954
--- /dev/null
+++ b/debian/missing-sources/leaflet.js/dom/DomEvent.js
@@ -0,0 +1,313 @@
+import {Point} from '../geometry/Point';
+import * as Util from '../core/Util';
+import * as Browser from '../core/Browser';
+import {addPointerListener, removePointerListener} from './DomEvent.Pointer';
+import {addDoubleTapListener, removeDoubleTapListener} from './DomEvent.DoubleTap';
+
+/*
+ * @namespace DomEvent
+ * Utility functions to work with the [DOM events](https://developer.mozilla.org/docs/Web/API/Event), used by Leaflet internally.
+ */
+
+// Inspired by John Resig, Dean Edwards and YUI addEvent implementations.
+
+// @function on(el: HTMLElement, types: String, fn: Function, context?: Object): this
+// Adds a listener function (`fn`) to a particular DOM event type of the
+// element `el`. You can optionally specify the context of the listener
+// (object the `this` keyword will point to). You can also pass several
+// space-separated types (e.g. `'click dblclick'`).
+
+// @alternative
+// @function on(el: HTMLElement, eventMap: Object, context?: Object): this
+// Adds a set of type/listener pairs, e.g. `{click: onClick, mousemove: onMouseMove}`
+export function on(obj, types, fn, context) {
+
+	if (typeof types === 'object') {
+		for (var type in types) {
+			addOne(obj, type, types[type], fn);
+		}
+	} else {
+		types = Util.splitWords(types);
+
+		for (var i = 0, len = types.length; i < len; i++) {
+			addOne(obj, types[i], fn, context);
+		}
+	}
+
+	return this;
+}
+
+var eventsKey = '_leaflet_events';
+
+// @function off(el: HTMLElement, types: String, fn: Function, context?: Object): this
+// Removes a previously added listener function.
+// Note that if you passed a custom context to on, you must pass the same
+// context to `off` in order to remove the listener.
+
+// @alternative
+// @function off(el: HTMLElement, eventMap: Object, context?: Object): this
+// Removes a set of type/listener pairs, e.g. `{click: onClick, mousemove: onMouseMove}`
+export function off(obj, types, fn, context) {
+
+	if (typeof types === 'object') {
+		for (var type in types) {
+			removeOne(obj, type, types[type], fn);
+		}
+	} else if (types) {
+		types = Util.splitWords(types);
+
+		for (var i = 0, len = types.length; i < len; i++) {
+			removeOne(obj, types[i], fn, context);
+		}
+	} else {
+		for (var j in obj[eventsKey]) {
+			removeOne(obj, j, obj[eventsKey][j]);
+		}
+		delete obj[eventsKey];
+	}
+
+	return this;
+}
+
+function addOne(obj, type, fn, context) {
+	var id = type + Util.stamp(fn) + (context ? '_' + Util.stamp(context) : '');
+
+	if (obj[eventsKey] && obj[eventsKey][id]) { return this; }
+
+	var handler = function (e) {
+		return fn.call(context || obj, e || window.event);
+	};
+
+	var originalHandler = handler;
+
+	if (Browser.pointer && type.indexOf('touch') === 0) {
+		// Needs DomEvent.Pointer.js
+		addPointerListener(obj, type, handler, id);
+
+	} else if (Browser.touch && (type === 'dblclick') && addDoubleTapListener &&
+	           !(Browser.pointer && Browser.chrome)) {
+		// Chrome >55 does not need the synthetic dblclicks from addDoubleTapListener
+		// See #5180
+		addDoubleTapListener(obj, handler, id);
+
+	} else if ('addEventListener' in obj) {
+
+		if (type === 'mousewheel') {
+			obj.addEventListener('onwheel' in obj ? 'wheel' : 'mousewheel', handler, false);
+
+		} else if ((type === 'mouseenter') || (type === 'mouseleave')) {
+			handler = function (e) {
+				e = e || window.event;
+				if (isExternalTarget(obj, e)) {
+					originalHandler(e);
+				}
+			};
+			obj.addEventListener(type === 'mouseenter' ? 'mouseover' : 'mouseout', handler, false);
+
+		} else {
+			if (type === 'click' && Browser.android) {
+				handler = function (e) {
+					filterClick(e, originalHandler);
+				};
+			}
+			obj.addEventListener(type, handler, false);
+		}
+
+	} else if ('attachEvent' in obj) {
+		obj.attachEvent('on' + type, handler);
+	}
+
+	obj[eventsKey] = obj[eventsKey] || {};
+	obj[eventsKey][id] = handler;
+}
+
+function removeOne(obj, type, fn, context) {
+
+	var id = type + Util.stamp(fn) + (context ? '_' + Util.stamp(context) : ''),
+	    handler = obj[eventsKey] && obj[eventsKey][id];
+
+	if (!handler) { return this; }
+
+	if (Browser.pointer && type.indexOf('touch') === 0) {
+		removePointerListener(obj, type, id);
+
+	} else if (Browser.touch && (type === 'dblclick') && removeDoubleTapListener &&
+	           !(Browser.pointer && Browser.chrome)) {
+		removeDoubleTapListener(obj, id);
+
+	} else if ('removeEventListener' in obj) {
+
+		if (type === 'mousewheel') {
+			obj.removeEventListener('onwheel' in obj ? 'wheel' : 'mousewheel', handler, false);
+
+		} else {
+			obj.removeEventListener(
+				type === 'mouseenter' ? 'mouseover' :
+				type === 'mouseleave' ? 'mouseout' : type, handler, false);
+		}
+
+	} else if ('detachEvent' in obj) {
+		obj.detachEvent('on' + type, handler);
+	}
+
+	obj[eventsKey][id] = null;
+}
+
+// @function stopPropagation(ev: DOMEvent): this
+// Stop the given event from propagation to parent elements. Used inside the listener functions:
+// ```js
+// L.DomEvent.on(div, 'click', function (ev) {
+// 	L.DomEvent.stopPropagation(ev);
+// });
+// ```
+export function stopPropagation(e) {
+
+	if (e.stopPropagation) {
+		e.stopPropagation();
+	} else if (e.originalEvent) {  // In case of Leaflet event.
+		e.originalEvent._stopped = true;
+	} else {
+		e.cancelBubble = true;
+	}
+	skipped(e);
+
+	return this;
+}
+
+// @function disableScrollPropagation(el: HTMLElement): this
+// Adds `stopPropagation` to the element's `'mousewheel'` events (plus browser variants).
+export function disableScrollPropagation(el) {
+	addOne(el, 'mousewheel', stopPropagation);
+	return this;
+}
+
+// @function disableClickPropagation(el: HTMLElement): this
+// Adds `stopPropagation` to the element's `'click'`, `'doubleclick'`,
+// `'mousedown'` and `'touchstart'` events (plus browser variants).
+export function disableClickPropagation(el) {
+	on(el, 'mousedown touchstart dblclick', stopPropagation);
+	addOne(el, 'click', fakeStop);
+	return this;
+}
+
+// @function preventDefault(ev: DOMEvent): this
+// Prevents the default action of the DOM Event `ev` from happening (such as
+// following a link in the href of the a element, or doing a POST request
+// with page reload when a `<form>` is submitted).
+// Use it inside listener functions.
+export function preventDefault(e) {
+	if (e.preventDefault) {
+		e.preventDefault();
+	} else {
+		e.returnValue = false;
+	}
+	return this;
+}
+
+// @function stop(ev: DOMEvent): this
+// Does `stopPropagation` and `preventDefault` at the same time.
+export function stop(e) {
+	preventDefault(e);
+	stopPropagation(e);
+	return this;
+}
+
+// @function getMousePosition(ev: DOMEvent, container?: HTMLElement): Point
+// Gets normalized mouse position from a DOM event relative to the
+// `container` or to the whole page if not specified.
+export function getMousePosition(e, container) {
+	if (!container) {
+		return new Point(e.clientX, e.clientY);
+	}
+
+	var rect = container.getBoundingClientRect();
+
+	var scaleX = rect.width / container.offsetWidth || 1;
+	var scaleY = rect.height / container.offsetHeight || 1;
+	return new Point(
+		e.clientX / scaleX - rect.left - container.clientLeft,
+		e.clientY / scaleY - rect.top - container.clientTop);
+}
+
+// Chrome on Win scrolls double the pixels as in other platforms (see #4538),
+// and Firefox scrolls device pixels, not CSS pixels
+var wheelPxFactor =
+	(Browser.win && Browser.chrome) ? 2 * window.devicePixelRatio :
+	Browser.gecko ? window.devicePixelRatio : 1;
+
+// @function getWheelDelta(ev: DOMEvent): Number
+// Gets normalized wheel delta from a mousewheel DOM event, in vertical
+// pixels scrolled (negative if scrolling down).
+// Events from pointing devices without precise scrolling are mapped to
+// a best guess of 60 pixels.
+export function getWheelDelta(e) {
+	return (Browser.edge) ? e.wheelDeltaY / 2 : // Don't trust window-geometry-based delta
+	       (e.deltaY && e.deltaMode === 0) ? -e.deltaY / wheelPxFactor : // Pixels
+	       (e.deltaY && e.deltaMode === 1) ? -e.deltaY * 20 : // Lines
+	       (e.deltaY && e.deltaMode === 2) ? -e.deltaY * 60 : // Pages
+	       (e.deltaX || e.deltaZ) ? 0 :	// Skip horizontal/depth wheel events
+	       e.wheelDelta ? (e.wheelDeltaY || e.wheelDelta) / 2 : // Legacy IE pixels
+	       (e.detail && Math.abs(e.detail) < 32765) ? -e.detail * 20 : // Legacy Moz lines
+	       e.detail ? e.detail / -32765 * 60 : // Legacy Moz pages
+	       0;
+}
+
+var skipEvents = {};
+
+export function fakeStop(e) {
+	// fakes stopPropagation by setting a special event flag, checked/reset with skipped(e)
+	skipEvents[e.type] = true;
+}
+
+export function skipped(e) {
+	var events = skipEvents[e.type];
+	// reset when checking, as it's only used in map container and propagates outside of the map
+	skipEvents[e.type] = false;
+	return events;
+}
+
+// check if element really left/entered the event target (for mouseenter/mouseleave)
+export function isExternalTarget(el, e) {
+
+	var related = e.relatedTarget;
+
+	if (!related) { return true; }
+
+	try {
+		while (related && (related !== el)) {
+			related = related.parentNode;
+		}
+	} catch (err) {
+		return false;
+	}
+	return (related !== el);
+}
+
+var lastClick;
+
+// this is a horrible workaround for a bug in Android where a single touch triggers two click events
+function filterClick(e, handler) {
+	var timeStamp = (e.timeStamp || (e.originalEvent && e.originalEvent.timeStamp)),
+	    elapsed = lastClick && (timeStamp - lastClick);
+
+	// are they closer together than 500ms yet more than 100ms?
+	// Android typically triggers them ~300ms apart while multiple listeners
+	// on the same event should be triggered far faster;
+	// or check if click is simulated on the element, and if it is, reject any non-simulated events
+
+	if ((elapsed && elapsed > 100 && elapsed < 500) || (e.target._simulatedClick && !e._simulated)) {
+		stop(e);
+		return;
+	}
+	lastClick = timeStamp;
+
+	handler(e);
+}
+
+// @function addListener(…): this
+// Alias to [`L.DomEvent.on`](#domevent-on)
+export {on as addListener};
+
+// @function removeListener(…): this
+// Alias to [`L.DomEvent.off`](#domevent-off)
+export {off as removeListener};