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event.js
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event.js
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/*:
----------------------------------------------------
event.js : 1.1.5 : 2013/12/12 : MIT License
----------------------------------------------------
https://github.com/mudcube/Event.js
----------------------------------------------------
1 : click, dblclick, dbltap
1+ : tap, longpress, drag, swipe
2+ : pinch, rotate
: mousewheel, devicemotion, shake
----------------------------------------------------
Ideas for the future
----------------------------------------------------
* GamePad, and other input abstractions.
* Event batching - i.e. for every x fingers down a new gesture is created.
----------------------------------------------------
http://www.w3.org/TR/2011/WD-touch-events-20110505/
----------------------------------------------------
*/
if (typeof(eventjs) === "undefined") var eventjs = {};
(function(root) { "use strict";
// Add custom *EventListener commands to HTMLElements (set false to prevent funkiness).
root.modifyEventListener = false;
// Add bulk *EventListener commands on NodeLists from querySelectorAll and others (set false to prevent funkiness).
root.modifySelectors = false;
// Event maintenance.
root.add = function(target, type, listener, configure) {
return eventManager(target, type, listener, configure, "add");
};
root.remove = function(target, type, listener, configure) {
return eventManager(target, type, listener, configure, "remove");
};
root.returnFalse = function(event) {
return false;
};
root.stop = function(event) {
if (!event) return;
if (event.stopPropagation) event.stopPropagation();
event.cancelBubble = true; // <= IE8
event.cancelBubbleCount = 0;
};
root.prevent = function(event) {
if (!event) return;
if (event.preventDefault) {
event.preventDefault();
} else if (event.preventManipulation) {
event.preventManipulation(); // MS
} else {
event.returnValue = false; // <= IE8
}
};
root.cancel = function(event) {
root.stop(event);
root.prevent(event);
};
root.blur = function() { // Blurs the focused element. Useful when using eventjs.cancel as canceling will prevent focused elements from being blurred.
var node = document.activeElement;
if (!node) return;
var nodeName = document.activeElement.nodeName;
if (nodeName === "INPUT" || nodeName === "TEXTAREA" || node.contentEditable === "true") {
if (node.blur) node.blur();
}
};
// Check whether event is natively supported (via @kangax)
root.getEventSupport = function (target, type) {
if (typeof(target) === "string") {
type = target;
target = window;
}
type = "on" + type;
if (type in target) return true;
if (!target.setAttribute) target = document.createElement("div");
if (target.setAttribute && target.removeAttribute) {
target.setAttribute(type, "");
var isSupported = typeof target[type] === "function";
if (typeof target[type] !== "undefined") target[type] = null;
target.removeAttribute(type);
return isSupported;
}
};
var clone = function (obj) {
if (!obj || typeof (obj) !== 'object') return obj;
var temp = new obj.constructor();
for (var key in obj) {
if (!obj[key] || typeof (obj[key]) !== 'object') {
temp[key] = obj[key];
} else { // clone sub-object
temp[key] = clone(obj[key]);
}
}
return temp;
};
/// Handle custom *EventListener commands.
var eventManager = function(target, type, listener, configure, trigger, fromOverwrite) {
configure = configure || {};
// Check whether target is a configuration variable;
if (String(target) === "[object Object]") {
var data = target;
target = data.target; delete data.target;
///
if (data.type && data.listener) {
type = data.type; delete data.type;
listener = data.listener; delete data.listener;
for (var key in data) {
configure[key] = data[key];
}
} else { // specialness
for (var param in data) {
var value = data[param];
if (typeof(value) === "function") continue;
configure[param] = value;
}
///
var ret = {};
for (var key in data) {
var param = key.split(",");
var o = data[key];
var conf = {};
for (var k in configure) { // clone base configuration
conf[k] = configure[k];
}
///
if (typeof(o) === "function") { // without configuration
var listener = o;
} else if (typeof(o.listener) === "function") { // with configuration
var listener = o.listener;
for (var k in o) { // merge configure into base configuration
if (typeof(o[k]) === "function") continue;
conf[k] = o[k];
}
} else { // not a listener
continue;
}
///
for (var n = 0; n < param.length; n ++) {
ret[key] = eventjs.add(target, param[n], listener, conf, trigger);
}
}
return ret;
}
}
///
if (!target || !type || !listener) return;
// Check for element to load on interval (before onload).
if (typeof(target) === "string" && type === "ready") {
if (window.eventjs_stallOnReady) { /// force stall for scripts to load
type = "load";
target = window;
} else { //
var time = (new Date()).getTime();
var timeout = configure.timeout;
var ms = configure.interval || 1000 / 60;
var interval = window.setInterval(function() {
if ((new Date()).getTime() - time > timeout) {
window.clearInterval(interval);
}
if (document.querySelector(target)) {
window.clearInterval(interval);
setTimeout(listener, 1);
}
}, ms);
return;
}
}
// Get DOM element from Query Selector.
if (typeof(target) === "string") {
target = document.querySelectorAll(target);
if (target.length === 0) return createError("Missing target on listener!", arguments); // No results.
if (target.length === 1) { // Single target.
target = target[0];
}
}
/// Handle multiple targets.
var event;
var events = {};
if (target.length > 0 && target !== window) {
for (var n0 = 0, length0 = target.length; n0 < length0; n0 ++) {
event = eventManager(target[n0], type, listener, clone(configure), trigger);
if (event) events[n0] = event;
}
return createBatchCommands(events);
}
/// Check for multiple events in one string.
if (typeof(type) === "string") {
type = type.toLowerCase();
if (type.indexOf(" ") !== -1) {
type = type.split(" ");
} else if (type.indexOf(",") !== -1) {
type = type.split(",");
}
}
/// Attach or remove multiple events associated with a target.
if (typeof(type) !== "string") { // Has multiple events.
if (typeof(type.length) === "number") { // Handle multiple listeners glued together.
for (var n1 = 0, length1 = type.length; n1 < length1; n1 ++) { // Array [type]
event = eventManager(target, type[n1], listener, clone(configure), trigger);
if (event) events[type[n1]] = event;
}
} else { // Handle multiple listeners.
for (var key in type) { // Object {type}
if (typeof(type[key]) === "function") { // without configuration.
event = eventManager(target, key, type[key], clone(configure), trigger);
} else { // with configuration.
event = eventManager(target, key, type[key].listener, clone(type[key]), trigger);
}
if (event) events[key] = event;
}
}
return createBatchCommands(events);
} else if (type.indexOf("on") === 0) { // to support things like "onclick" instead of "click"
type = type.substr(2);
}
// Ensure listener is a function.
if (typeof(target) !== "object") return createError("Target is not defined!", arguments);
if (typeof(listener) !== "function") return createError("Listener is not a function!", arguments);
// Generate a unique wrapper identifier.
var useCapture = configure.useCapture || false;
var id = getID(target) + "." + getID(listener) + "." + (useCapture ? 1 : 0);
// Handle the event.
if (root.Gesture && root.Gesture._gestureHandlers[type]) { // Fire custom event.
id = type + id;
if (trigger === "remove") { // Remove event listener.
if (!wrappers[id]) return; // Already removed.
wrappers[id].remove();
delete wrappers[id];
} else if (trigger === "add") { // Attach event listener.
if (wrappers[id]) {
wrappers[id].add();
return wrappers[id]; // Already attached.
}
// Retains "this" orientation.
if (configure.useCall && !root.modifyEventListener) {
var tmp = listener;
listener = function(event, self) {
for (var key in self) event[key] = self[key];
return tmp.call(target, event);
};
}
// Create listener proxy.
configure.gesture = type;
configure.target = target;
configure.listener = listener;
configure.fromOverwrite = fromOverwrite;
// Record wrapper.
wrappers[id] = root.proxy[type](configure);
}
return wrappers[id];
} else { // Fire native event.
var eventList = getEventList(type);
for (var n = 0, eventId; n < eventList.length; n ++) {
type = eventList[n];
eventId = type + "." + id;
if (trigger === "remove") { // Remove event listener.
if (!wrappers[eventId]) continue; // Already removed.
target[remove](type, listener, useCapture);
delete wrappers[eventId];
} else if (trigger === "add") { // Attach event listener.
if (wrappers[eventId]) return wrappers[eventId]; // Already attached.
target[add](type, listener, useCapture);
// Record wrapper.
wrappers[eventId] = {
id: eventId,
type: type,
target: target,
listener: listener,
remove: function() {
for (var n = 0; n < eventList.length; n ++) {
root.remove(target, eventList[n], listener, configure);
}
}
};
}
}
return wrappers[eventId];
}
};
/// Perform batch actions on multiple events.
var createBatchCommands = function(events) {
return {
remove: function() { // Remove multiple events.
for (var key in events) {
events[key].remove();
}
},
add: function() { // Add multiple events.
for (var key in events) {
events[key].add();
}
}
};
};
/// Display error message in console.
var createError = function(message, data) {
if (typeof(console) === "undefined") return;
if (typeof(console.error) === "undefined") return;
console.error(message, data);
};
/// Handle naming discrepancies between platforms.
var pointerDefs = {
"msPointer": [ "MSPointerDown", "MSPointerMove", "MSPointerUp" ],
"touch": [ "touchstart", "touchmove", "touchend" ],
"mouse": [ "mousedown", "mousemove", "mouseup" ]
};
var pointerDetect = {
// MSPointer
"MSPointerDown": 0,
"MSPointerMove": 1,
"MSPointerUp": 2,
// Touch
"touchstart": 0,
"touchmove": 1,
"touchend": 2,
// Mouse
"mousedown": 0,
"mousemove": 1,
"mouseup": 2
};
var getEventSupport = (function() {
root.supports = {};
if (window.navigator.msPointerEnabled) {
root.supports.msPointer = true;
}
if (root.getEventSupport("touchstart")) {
root.supports.touch = true;
}
if (root.getEventSupport("mousedown")) {
root.supports.mouse = true;
}
})();
var getEventList = (function() {
return function(type) {
var prefix = document.addEventListener ? "" : "on"; // IE
var idx = pointerDetect[type];
if (isFinite(idx)) {
var types = [];
for (var key in root.supports) {
types.push(prefix + pointerDefs[key][idx]);
}
return types;
} else {
return [ prefix + type ];
}
};
})();
/// Event wrappers to keep track of all events placed in the window.
var wrappers = {};
var counter = 0;
var getID = function(object) {
if (object === window) return "#window";
if (object === document) return "#document";
if (!object.uniqueID) object.uniqueID = "e" + counter ++;
return object.uniqueID;
};
/// Detect platforms native *EventListener command.
var add = document.addEventListener ? "addEventListener" : "attachEvent";
var remove = document.removeEventListener ? "removeEventListener" : "detachEvent";
/*
Pointer.js
----------------------------------------
Modified from; https://github.com/borismus/pointer.js
*/
root.createPointerEvent = function (event, self, preventRecord) {
var eventName = self.gesture;
var target = self.target;
var pts = event.changedTouches || root.proxy.getCoords(event);
if (pts.length) {
var pt = pts[0];
self.pointers = preventRecord ? [] : pts;
self.pageX = pt.pageX;
self.pageY = pt.pageY;
self.x = self.pageX;
self.y = self.pageY;
}
///
var newEvent = document.createEvent("Event");
newEvent.initEvent(eventName, true, true);
newEvent.originalEvent = event;
for (var k in self) {
if (k === "target") continue;
newEvent[k] = self[k];
}
///
var type = newEvent.type;
if (root.Gesture && root.Gesture._gestureHandlers[type]) { // capture custom events.
// target.dispatchEvent(newEvent);
self.oldListener.call(target, newEvent, self, false);
}
};
/// Allows *EventListener to use custom event proxies.
if (root.modifyEventListener && window.HTMLElement) (function() {
var augmentEventListener = function(proto) {
var recall = function(trigger) { // overwrite native *EventListener's
var handle = trigger + "EventListener";
var handler = proto[handle];
proto[handle] = function (type, listener, useCapture) {
if (root.Gesture && root.Gesture._gestureHandlers[type]) { // capture custom events.
var configure = useCapture;
if (typeof(useCapture) === "object") {
configure.useCall = true;
} else { // convert to configuration object.
configure = {
useCall: true,
useCapture: useCapture
};
}
eventManager(this, type, listener, configure, trigger, true);
// handler.call(this, type, listener, useCapture);
} else { // use native function.
var types = getEventList(type);
for (var n = 0; n < types.length; n ++) {
handler.call(this, types[n], listener, useCapture);
}
}
};
};
recall("add");
recall("remove");
};
// NOTE: overwriting HTMLElement doesn't do anything in Firefox.
if (navigator.userAgent.match(/Firefox/)) {
// TODO: fix Firefox for the general case.
augmentEventListener(HTMLDivElement.prototype);
augmentEventListener(HTMLCanvasElement.prototype);
} else {
augmentEventListener(HTMLElement.prototype);
}
augmentEventListener(document);
augmentEventListener(window);
})();
/// Allows querySelectorAll and other NodeLists to perform *EventListener commands in bulk.
if (root.modifySelectors) (function() {
var proto = NodeList.prototype;
proto.removeEventListener = function(type, listener, useCapture) {
for (var n = 0, length = this.length; n < length; n ++) {
this[n].removeEventListener(type, listener, useCapture);
}
};
proto.addEventListener = function(type, listener, useCapture) {
for (var n = 0, length = this.length; n < length; n ++) {
this[n].addEventListener(type, listener, useCapture);
}
};
})();
return root;
})(eventjs);
/*:
----------------------------------------------------
eventjs.proxy : 0.4.2 : 2013/07/17 : MIT License
----------------------------------------------------
https://github.com/mudcube/eventjs.js
----------------------------------------------------
*/
if (typeof(eventjs) === "undefined") var eventjs = {};
if (typeof(eventjs.proxy) === "undefined") eventjs.proxy = {};
eventjs.proxy = (function(root) { "use strict";
/*
Create a new pointer gesture instance.
*/
root.pointerSetup = function(conf, self) {
/// Configure.
conf.target = conf.target || window;
conf.doc = conf.target.ownerDocument || conf.target; // Associated document.
conf.minFingers = conf.minFingers || conf.fingers || 1; // Minimum required fingers.
conf.maxFingers = conf.maxFingers || conf.fingers || Infinity; // Maximum allowed fingers.
conf.position = conf.position || "relative"; // Determines what coordinate system points are returned.
delete conf.fingers; //-
/// Convenience data.
self = self || {};
self.enabled = true;
self.gesture = conf.gesture;
self.target = conf.target;
self.env = conf.env;
///
if (eventjs.modifyEventListener && conf.fromOverwrite) {
conf.oldListener = conf.listener;
conf.listener = eventjs.createPointerEvent;
}
/// Convenience commands.
var fingers = 0;
var type = self.gesture.indexOf("pointer") === 0 && eventjs.modifyEventListener ? "pointer" : "mouse";
if (conf.oldListener) self.oldListener = conf.oldListener;
///
self.listener = conf.listener;
self.proxy = function(listener) {
self.defaultListener = conf.listener;
conf.listener = listener;
listener(conf.event, self);
};
self.add = function() {
if (self.enabled === true) return;
if (conf.onPointerDown) eventjs.add(conf.target, type + "down", conf.onPointerDown);
if (conf.onPointerMove) eventjs.add(conf.doc, type + "move", conf.onPointerMove);
if (conf.onPointerUp) eventjs.add(conf.doc, type + "up", conf.onPointerUp);
self.enabled = true;
};
self.remove = function() {
if (self.enabled === false) return;
if (conf.onPointerDown) eventjs.remove(conf.target, type + "down", conf.onPointerDown);
if (conf.onPointerMove) eventjs.remove(conf.doc, type + "move", conf.onPointerMove);
if (conf.onPointerUp) eventjs.remove(conf.doc, type + "up", conf.onPointerUp);
self.reset();
self.enabled = false;
};
self.pause = function(opt) {
if (conf.onPointerMove && (!opt || opt.move)) eventjs.remove(conf.doc, type + "move", conf.onPointerMove);
if (conf.onPointerUp && (!opt || opt.up)) eventjs.remove(conf.doc, type + "up", conf.onPointerUp);
fingers = conf.fingers;
conf.fingers = 0;
};
self.resume = function(opt) {
if (conf.onPointerMove && (!opt || opt.move)) eventjs.add(conf.doc, type + "move", conf.onPointerMove);
if (conf.onPointerUp && (!opt || opt.up)) eventjs.add(conf.doc, type + "up", conf.onPointerUp);
conf.fingers = fingers;
};
self.reset = function() {
conf.tracker = {};
conf.fingers = 0;
};
///
return self;
};
/*
Begin proxied pointer command.
*/
var sp = eventjs.supports; // Default pointerType
///
eventjs.isMouse = !!sp.mouse;
eventjs.isMSPointer = !!sp.touch;
eventjs.isTouch = !!sp.msPointer;
///
root.pointerStart = function(event, self, conf) {
/// tracks multiple inputs
var type = (event.type || "mousedown").toUpperCase();
if (type.indexOf("MOUSE") === 0) {
eventjs.isMouse = true;
eventjs.isTouch = false;
eventjs.isMSPointer = false;
} else if (type.indexOf("TOUCH") === 0) {
eventjs.isMouse = false;
eventjs.isTouch = true;
eventjs.isMSPointer = false;
} else if (type.indexOf("MSPOINTER") === 0) {
eventjs.isMouse = false;
eventjs.isTouch = false;
eventjs.isMSPointer = true;
}
///
var addTouchStart = function(touch, sid) {
var bbox = conf.bbox;
var pt = track[sid] = {};
///
switch(conf.position) {
case "absolute": // Absolute from within window.
pt.offsetX = 0;
pt.offsetY = 0;
break;
case "differenceFromLast": // Since last coordinate recorded.
pt.offsetX = touch.pageX;
pt.offsetY = touch.pageY;
break;
case "difference": // Relative from origin.
pt.offsetX = touch.pageX;
pt.offsetY = touch.pageY;
break;
case "move": // Move target element.
pt.offsetX = touch.pageX - bbox.x1;
pt.offsetY = touch.pageY - bbox.y1;
break;
default: // Relative from within target.
pt.offsetX = bbox.x1 - bbox.scrollLeft;
pt.offsetY = bbox.y1 - bbox.scrollTop;
break;
}
///
var x = touch.pageX - pt.offsetX;
var y = touch.pageY - pt.offsetY;
///
pt.rotation = 0;
pt.scale = 1;
pt.startTime = pt.moveTime = (new Date()).getTime();
pt.move = { x: x, y: y };
pt.start = { x: x, y: y };
///
conf.fingers ++;
};
///
conf.event = event;
if (self.defaultListener) {
conf.listener = self.defaultListener;
delete self.defaultListener;
}
///
var isTouchStart = !conf.fingers;
var track = conf.tracker;
var touches = event.changedTouches || root.getCoords(event);
var length = touches.length;
// Adding touch events to tracking.
for (var i = 0; i < length; i ++) {
var touch = touches[i];
var sid = touch.identifier || Infinity; // Touch ID.
// Track the current state of the touches.
if (conf.fingers) {
if (conf.fingers >= conf.maxFingers) {
var ids = [];
for (var sid in conf.tracker) ids.push(sid);
self.identifier = ids.join(",");
return isTouchStart;
}
var fingers = 0; // Finger ID.
for (var rid in track) {
// Replace removed finger.
if (track[rid].up) {
delete track[rid];
addTouchStart(touch, sid);
conf.cancel = true;
break;
}
fingers ++;
}
// Add additional finger.
if (track[sid]) continue;
addTouchStart(touch, sid);
} else { // Start tracking fingers.
track = conf.tracker = {};
self.bbox = conf.bbox = root.getBoundingBox(conf.target);
conf.fingers = 0;
conf.cancel = false;
addTouchStart(touch, sid);
}
}
///
var ids = [];
for (var sid in conf.tracker) ids.push(sid);
self.identifier = ids.join(",");
///
return isTouchStart;
};
/*
End proxied pointer command.
*/
root.pointerEnd = function(event, self, conf, onPointerUp) {
// Record changed touches have ended (iOS changedTouches is not reliable).
var touches = event.touches || [];
var length = touches.length;
var exists = {};
for (var i = 0; i < length; i ++) {
var touch = touches[i];
var sid = touch.identifier;
exists[sid || Infinity] = true;
}
for (var sid in conf.tracker) {
var track = conf.tracker[sid];
if (exists[sid] || track.up) continue;
if (onPointerUp) { // add changedTouches to mouse.
onPointerUp({
pageX: track.pageX,
pageY: track.pageY,
changedTouches: [{
pageX: track.pageX,
pageY: track.pageY,
identifier: sid === "Infinity" ? Infinity : sid
}]
}, "up");
}
track.up = true;
conf.fingers --;
}
/* // This should work but fails in Safari on iOS4 so not using it.
var touches = event.changedTouches || root.getCoords(event);
var length = touches.length;
// Record changed touches have ended (this should work).
for (var i = 0; i < length; i ++) {
var touch = touches[i];
var sid = touch.identifier || Infinity;
var track = conf.tracker[sid];
if (track && !track.up) {
if (onPointerUp) { // add changedTouches to mouse.
onPointerUp({
changedTouches: [{
pageX: track.pageX,
pageY: track.pageY,
identifier: sid === "Infinity" ? Infinity : sid
}]
}, "up");
}
track.up = true;
conf.fingers --;
}
} */
// Wait for all fingers to be released.
if (conf.fingers !== 0) return false;
// Record total number of fingers gesture used.
var ids = [];
conf.gestureFingers = 0;
for (var sid in conf.tracker) {
conf.gestureFingers ++;
ids.push(sid);
}
self.identifier = ids.join(",");
// Our pointer gesture has ended.
return true;
};
/*
Returns mouse coords in an array to match event.*Touches
------------------------------------------------------------
var touch = event.changedTouches || root.getCoords(event);
*/
root.getCoords = function(event) {
if (typeof(event.pageX) !== "undefined") { // Desktop browsers.
root.getCoords = function(event) {
return Array({
type: "mouse",
x: event.pageX,
y: event.pageY,
pageX: event.pageX,
pageY: event.pageY,
identifier: event.pointerId || Infinity // pointerId is MS
});
};
} else { // Internet Explorer <= 8.0
root.getCoords = function(event) {
var doc = document.documentElement;
event = event || window.event;
return Array({
type: "mouse",
x: event.clientX + doc.scrollLeft,
y: event.clientY + doc.scrollTop,
pageX: event.clientX + doc.scrollLeft,
pageY: event.clientY + doc.scrollTop,
identifier: Infinity
});
};
}
return root.getCoords(event);
};
/*
Returns single coords in an object.
------------------------------------------------------------
var mouse = root.getCoord(event);
*/
root.getCoord = function(event) {
if ("ontouchstart" in window) { // Mobile browsers.
var pX = 0;
var pY = 0;
root.getCoord = function(event) {
var touches = event.changedTouches;
if (touches && touches.length) { // ontouchstart + ontouchmove
return {
x: pX = touches[0].pageX,
y: pY = touches[0].pageY
};
} else { // ontouchend
return {
x: pX,
y: pY
};
}
};
} else if(typeof(event.pageX) !== "undefined" && typeof(event.pageY) !== "undefined") { // Desktop browsers.
root.getCoord = function(event) {
return {
x: event.pageX,
y: event.pageY
};
};
} else { // Internet Explorer <=8.0
root.getCoord = function(event) {
var doc = document.documentElement;
event = event || window.event;
return {
x: event.clientX + doc.scrollLeft,
y: event.clientY + doc.scrollTop
};
};
}
return root.getCoord(event);
};
/*
Get target scale and position in space.
*/
var getPropertyAsFloat = function(o, type) {
var n = parseFloat(o.getPropertyValue(type), 10);
return isFinite(n) ? n : 0;
};
root.getBoundingBox = function(o) {
if (o === window || o === document) o = document.body;
///
var bbox = {};
var bcr = o.getBoundingClientRect();
bbox.width = bcr.width;
bbox.height = bcr.height;
bbox.x1 = bcr.left;
bbox.y1 = bcr.top;
bbox.scaleX = bcr.width / o.offsetWidth || 1;
bbox.scaleY = bcr.height / o.offsetHeight || 1;
bbox.scrollLeft = 0;
bbox.scrollTop = 0;
///
var style = window.getComputedStyle(o);
var borderBox = style.getPropertyValue("box-sizing") === "border-box";
///
if (borderBox === false) {
var left = getPropertyAsFloat(style, "border-left-width");
var right = getPropertyAsFloat(style, "border-right-width");
var bottom = getPropertyAsFloat(style, "border-bottom-width");
var top = getPropertyAsFloat(style, "border-top-width");
bbox.border = [ left, right, top, bottom ];
bbox.x1 += left;
bbox.y1 += top;
bbox.width -= right + left;
bbox.height -= bottom + top;
}
/* var left = getPropertyAsFloat(style, "padding-left");
var right = getPropertyAsFloat(style, "padding-right");
var bottom = getPropertyAsFloat(style, "padding-bottom");
var top = getPropertyAsFloat(style, "padding-top");
bbox.padding = [ left, right, top, bottom ];*/
///
bbox.x2 = bbox.x1 + bbox.width;
bbox.y2 = bbox.y1 + bbox.height;
/// Get the scroll of container element.
var position = style.getPropertyValue("position");
var tmp = position === "fixed" ? o : o.parentNode;
while (tmp !== null) {
if (tmp === document.body) break;
if (tmp.scrollTop === undefined) break;
var style = window.getComputedStyle(tmp);
var position = style.getPropertyValue("position");
if (position === "absolute") {
} else if (position === "fixed") {
// bbox.scrollTop += document.body.scrollTop;
// bbox.scrollLeft += document.body.scrollLeft;
bbox.scrollTop -= tmp.parentNode.scrollTop;
bbox.scrollLeft -= tmp.parentNode.scrollLeft;
break;
} else {
bbox.scrollLeft += tmp.scrollLeft;
bbox.scrollTop += tmp.scrollTop;
}
///
tmp = tmp.parentNode;
};
///
bbox.scrollBodyLeft = (window.pageXOffset !== undefined) ? window.pageXOffset : (document.documentElement || document.body.parentNode || document.body).scrollLeft;
bbox.scrollBodyTop = (window.pageYOffset !== undefined) ? window.pageYOffset : (document.documentElement || document.body.parentNode || document.body).scrollTop;
///
bbox.scrollLeft -= bbox.scrollBodyLeft;
bbox.scrollTop -= bbox.scrollBodyTop;
///
return bbox;
};
/*
Keep track of metaKey, the proper ctrlKey for users platform.
----------------------------------------------------
http://www.quirksmode.org/js/keys.html
*/
(function() {
var agent = navigator.userAgent.toLowerCase();
var mac = agent.indexOf("macintosh") !== -1;
var metaKeys;
if (mac && agent.indexOf("khtml") !== -1) { // chrome, safari.
metaKeys = { 91: true, 93: true };
} else if (mac && agent.indexOf("firefox") !== -1) { // mac firefox.
metaKeys = { 224: true };
} else { // windows, linux, or mac opera.
metaKeys = { 17: true };
}
(root.metaTrackerReset = function() {
eventjs.fnKey = root.fnKey = false;
eventjs.metaKey = root.metaKey = false;
eventjs.ctrlKey = root.ctrlKey = false;
eventjs.shiftKey = root.shiftKey = false;
eventjs.altKey = root.altKey = false;
})();
root.metaTracker = function(event) {
var metaCheck = !!metaKeys[event.keyCode];
if (metaCheck) eventjs.metaKey = root.metaKey = event.type === "keydown";
eventjs.ctrlKey = root.ctrlKey = event.ctrlKey;
eventjs.shiftKey = root.shiftKey = event.shiftKey;
eventjs.altKey = root.altKey = event.altKey;
return metaCheck;
};
})();
return root;
})(eventjs.proxy);
/*:
----------------------------------------------------
"MutationObserver" event proxy.
----------------------------------------------------
author: Selvakumar Arumugam - MIT LICENSE
src: http://stackoverflow.com/questions/10868104/can-you-have-a-javascript-hook-trigger-after-a-dom-elements-style-object-change
----------------------------------------------------
*/
if (typeof(eventjs) === "undefined") var eventjs = {};
eventjs.MutationObserver = (function() {
var MutationObserver = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver;
var DOMAttrModifiedSupported = !MutationObserver && (function() {
var p = document.createElement("p");
var flag = false;
var fn = function() { flag = true };
if (p.addEventListener) {
p.addEventListener("DOMAttrModified", fn, false);
} else if (p.attachEvent) {
p.attachEvent("onDOMAttrModified", fn);
} else {
return false;
}
///
p.setAttribute("id", "target");
///
return flag;
})();
///
return function(container, callback) {
if (MutationObserver) {
var options = {
subtree: false,
attributes: true
};
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(e) {
callback.call(e.target, e.attributeName);
});
});
observer.observe(container, options)
} else if (DOMAttrModifiedSupported) {
eventjs.add(container, "DOMAttrModified", function(e) {
callback.call(container, e.attrName);
});
} else if ("onpropertychange" in document.body) {
eventjs.add(container, "propertychange", function(e) {
callback.call(container, window.event.propertyName);
});
}
}
})();
/*:
"Click" event proxy.
----------------------------------------------------
eventjs.add(window, "click", function(event, self) {});
*/
if (typeof(eventjs) === "undefined") var eventjs = {};
if (typeof(eventjs.proxy) === "undefined") eventjs.proxy = {};