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2581 lines
84 KiB
2581 lines
84 KiB
/*!
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* ZeroClipboard
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* The ZeroClipboard library provides an easy way to copy text to the clipboard using an invisible Adobe Flash movie and a JavaScript interface.
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* Copyright (c) 2009-2014 Jon Rohan, James M. Greene
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* Licensed MIT
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* http://zeroclipboard.org/
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* v2.2.0
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*/
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(function(window, undefined) {
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"use strict";
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/**
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* Store references to critically important global functions that may be
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* overridden on certain web pages.
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*/
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var _window = window, _document = _window.document, _navigator = _window.navigator, _setTimeout = _window.setTimeout, _clearTimeout = _window.clearTimeout, _setInterval = _window.setInterval, _clearInterval = _window.clearInterval, _getComputedStyle = _window.getComputedStyle, _encodeURIComponent = _window.encodeURIComponent, _ActiveXObject = _window.ActiveXObject, _Error = _window.Error, _parseInt = _window.Number.parseInt || _window.parseInt, _parseFloat = _window.Number.parseFloat || _window.parseFloat, _isNaN = _window.Number.isNaN || _window.isNaN, _now = _window.Date.now, _keys = _window.Object.keys, _defineProperty = _window.Object.defineProperty, _hasOwn = _window.Object.prototype.hasOwnProperty, _slice = _window.Array.prototype.slice, _unwrap = function() {
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var unwrapper = function(el) {
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return el;
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};
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if (typeof _window.wrap === "function" && typeof _window.unwrap === "function") {
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try {
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var div = _document.createElement("div");
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var unwrappedDiv = _window.unwrap(div);
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if (div.nodeType === 1 && unwrappedDiv && unwrappedDiv.nodeType === 1) {
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unwrapper = _window.unwrap;
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}
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} catch (e) {}
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}
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return unwrapper;
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}();
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/**
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* Convert an `arguments` object into an Array.
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*
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* @returns The arguments as an Array
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* @private
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*/
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var _args = function(argumentsObj) {
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return _slice.call(argumentsObj, 0);
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};
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/**
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* Shallow-copy the owned, enumerable properties of one object over to another, similar to jQuery's `$.extend`.
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*
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* @returns The target object, augmented
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* @private
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*/
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var _extend = function() {
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var i, len, arg, prop, src, copy, args = _args(arguments), target = args[0] || {};
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for (i = 1, len = args.length; i < len; i++) {
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if ((arg = args[i]) != null) {
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for (prop in arg) {
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if (_hasOwn.call(arg, prop)) {
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src = target[prop];
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copy = arg[prop];
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if (target !== copy && copy !== undefined) {
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target[prop] = copy;
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}
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}
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}
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}
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}
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return target;
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};
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/**
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* Return a deep copy of the source object or array.
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*
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* @returns Object or Array
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* @private
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*/
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var _deepCopy = function(source) {
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var copy, i, len, prop;
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if (typeof source !== "object" || source == null || typeof source.nodeType === "number") {
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copy = source;
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} else if (typeof source.length === "number") {
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copy = [];
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for (i = 0, len = source.length; i < len; i++) {
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if (_hasOwn.call(source, i)) {
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copy[i] = _deepCopy(source[i]);
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}
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}
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} else {
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copy = {};
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for (prop in source) {
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if (_hasOwn.call(source, prop)) {
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copy[prop] = _deepCopy(source[prop]);
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}
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}
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}
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return copy;
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};
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/**
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* Makes a shallow copy of `obj` (like `_extend`) but filters its properties based on a list of `keys` to keep.
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* The inverse of `_omit`, mostly. The big difference is that these properties do NOT need to be enumerable to
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* be kept.
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*
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* @returns A new filtered object.
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* @private
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*/
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var _pick = function(obj, keys) {
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var newObj = {};
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for (var i = 0, len = keys.length; i < len; i++) {
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if (keys[i] in obj) {
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newObj[keys[i]] = obj[keys[i]];
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}
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}
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return newObj;
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};
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/**
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* Makes a shallow copy of `obj` (like `_extend`) but filters its properties based on a list of `keys` to omit.
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* The inverse of `_pick`.
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*
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* @returns A new filtered object.
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* @private
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*/
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var _omit = function(obj, keys) {
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var newObj = {};
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for (var prop in obj) {
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if (keys.indexOf(prop) === -1) {
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newObj[prop] = obj[prop];
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}
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}
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return newObj;
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};
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/**
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* Remove all owned, enumerable properties from an object.
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*
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* @returns The original object without its owned, enumerable properties.
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* @private
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*/
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var _deleteOwnProperties = function(obj) {
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if (obj) {
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for (var prop in obj) {
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if (_hasOwn.call(obj, prop)) {
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delete obj[prop];
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}
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}
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}
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return obj;
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};
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/**
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* Determine if an element is contained within another element.
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*
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* @returns Boolean
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* @private
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*/
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var _containedBy = function(el, ancestorEl) {
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if (el && el.nodeType === 1 && el.ownerDocument && ancestorEl && (ancestorEl.nodeType === 1 && ancestorEl.ownerDocument && ancestorEl.ownerDocument === el.ownerDocument || ancestorEl.nodeType === 9 && !ancestorEl.ownerDocument && ancestorEl === el.ownerDocument)) {
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do {
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if (el === ancestorEl) {
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return true;
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}
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el = el.parentNode;
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} while (el);
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}
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return false;
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};
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/**
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* Get the URL path's parent directory.
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*
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* @returns String or `undefined`
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* @private
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*/
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var _getDirPathOfUrl = function(url) {
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var dir;
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if (typeof url === "string" && url) {
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dir = url.split("#")[0].split("?")[0];
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dir = url.slice(0, url.lastIndexOf("/") + 1);
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}
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return dir;
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};
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/**
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* Get the current script's URL by throwing an `Error` and analyzing it.
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*
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* @returns String or `undefined`
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* @private
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*/
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var _getCurrentScriptUrlFromErrorStack = function(stack) {
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var url, matches;
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if (typeof stack === "string" && stack) {
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matches = stack.match(/^(?:|[^:@]*@|.+\)@(?=http[s]?|file)|.+?\s+(?: at |@)(?:[^:\(]+ )*[\(]?)((?:http[s]?|file):\/\/[\/]?.+?\/[^:\)]*?)(?::\d+)(?::\d+)?/);
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if (matches && matches[1]) {
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url = matches[1];
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} else {
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matches = stack.match(/\)@((?:http[s]?|file):\/\/[\/]?.+?\/[^:\)]*?)(?::\d+)(?::\d+)?/);
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if (matches && matches[1]) {
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url = matches[1];
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}
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}
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}
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return url;
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};
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/**
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* Get the current script's URL by throwing an `Error` and analyzing it.
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*
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* @returns String or `undefined`
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* @private
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*/
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var _getCurrentScriptUrlFromError = function() {
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var url, err;
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try {
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throw new _Error();
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} catch (e) {
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err = e;
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}
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if (err) {
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url = err.sourceURL || err.fileName || _getCurrentScriptUrlFromErrorStack(err.stack);
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}
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return url;
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};
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/**
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* Get the current script's URL.
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*
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* @returns String or `undefined`
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* @private
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*/
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var _getCurrentScriptUrl = function() {
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var jsPath, scripts, i;
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if (_document.currentScript && (jsPath = _document.currentScript.src)) {
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return jsPath;
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}
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scripts = _document.getElementsByTagName("script");
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if (scripts.length === 1) {
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return scripts[0].src || undefined;
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}
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if ("readyState" in scripts[0]) {
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for (i = scripts.length; i--; ) {
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if (scripts[i].readyState === "interactive" && (jsPath = scripts[i].src)) {
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return jsPath;
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}
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}
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}
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if (_document.readyState === "loading" && (jsPath = scripts[scripts.length - 1].src)) {
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return jsPath;
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}
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if (jsPath = _getCurrentScriptUrlFromError()) {
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return jsPath;
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}
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return undefined;
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};
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/**
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* Get the unanimous parent directory of ALL script tags.
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* If any script tags are either (a) inline or (b) from differing parent
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* directories, this method must return `undefined`.
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*
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* @returns String or `undefined`
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* @private
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*/
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var _getUnanimousScriptParentDir = function() {
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var i, jsDir, jsPath, scripts = _document.getElementsByTagName("script");
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for (i = scripts.length; i--; ) {
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if (!(jsPath = scripts[i].src)) {
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jsDir = null;
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break;
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}
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jsPath = _getDirPathOfUrl(jsPath);
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if (jsDir == null) {
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jsDir = jsPath;
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} else if (jsDir !== jsPath) {
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jsDir = null;
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break;
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}
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}
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return jsDir || undefined;
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};
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/**
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* Get the presumed location of the "ZeroClipboard.swf" file, based on the location
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* of the executing JavaScript file (e.g. "ZeroClipboard.js", etc.).
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*
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* @returns String
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* @private
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*/
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var _getDefaultSwfPath = function() {
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var jsDir = _getDirPathOfUrl(_getCurrentScriptUrl()) || _getUnanimousScriptParentDir() || "";
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return jsDir + "ZeroClipboard.swf";
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};
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/**
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* Keep track of if the page is framed (in an `iframe`). This can never change.
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* @private
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*/
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var _pageIsFramed = function() {
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return window.opener == null && (!!window.top && window != window.top || !!window.parent && window != window.parent);
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}();
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/**
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* Keep track of the state of the Flash object.
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* @private
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*/
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var _flashState = {
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bridge: null,
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version: "0.0.0",
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pluginType: "unknown",
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disabled: null,
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outdated: null,
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sandboxed: null,
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unavailable: null,
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degraded: null,
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deactivated: null,
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overdue: null,
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ready: null
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};
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/**
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* The minimum Flash Player version required to use ZeroClipboard completely.
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* @readonly
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* @private
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*/
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var _minimumFlashVersion = "11.0.0";
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/**
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* The ZeroClipboard library version number, as reported by Flash, at the time the SWF was compiled.
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*/
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var _zcSwfVersion;
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/**
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* Keep track of all event listener registrations.
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* @private
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*/
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var _handlers = {};
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/**
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* Keep track of the currently activated element.
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* @private
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*/
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var _currentElement;
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/**
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* Keep track of the element that was activated when a `copy` process started.
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* @private
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*/
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var _copyTarget;
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/**
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* Keep track of data for the pending clipboard transaction.
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* @private
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*/
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var _clipData = {};
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/**
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* Keep track of data formats for the pending clipboard transaction.
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* @private
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*/
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var _clipDataFormatMap = null;
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/**
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* Keep track of the Flash availability check timeout.
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* @private
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*/
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var _flashCheckTimeout = 0;
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/**
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* Keep track of SWF network errors interval polling.
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* @private
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*/
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var _swfFallbackCheckInterval = 0;
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/**
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* The `message` store for events
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* @private
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*/
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var _eventMessages = {
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ready: "Flash communication is established",
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error: {
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"flash-disabled": "Flash is disabled or not installed. May also be attempting to run Flash in a sandboxed iframe, which is impossible.",
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"flash-outdated": "Flash is too outdated to support ZeroClipboard",
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"flash-sandboxed": "Attempting to run Flash in a sandboxed iframe, which is impossible",
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"flash-unavailable": "Flash is unable to communicate bidirectionally with JavaScript",
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"flash-degraded": "Flash is unable to preserve data fidelity when communicating with JavaScript",
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"flash-deactivated": "Flash is too outdated for your browser and/or is configured as click-to-activate.\nThis may also mean that the ZeroClipboard SWF object could not be loaded, so please check your `swfPath` configuration and/or network connectivity.\nMay also be attempting to run Flash in a sandboxed iframe, which is impossible.",
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"flash-overdue": "Flash communication was established but NOT within the acceptable time limit",
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"version-mismatch": "ZeroClipboard JS version number does not match ZeroClipboard SWF version number",
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"clipboard-error": "At least one error was thrown while ZeroClipboard was attempting to inject your data into the clipboard",
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"config-mismatch": "ZeroClipboard configuration does not match Flash's reality",
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"swf-not-found": "The ZeroClipboard SWF object could not be loaded, so please check your `swfPath` configuration and/or network connectivity"
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}
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};
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/**
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* The `name`s of `error` events that can only occur is Flash has at least
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* been able to load the SWF successfully.
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* @private
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*/
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var _errorsThatOnlyOccurAfterFlashLoads = [ "flash-unavailable", "flash-degraded", "flash-overdue", "version-mismatch", "config-mismatch", "clipboard-error" ];
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/**
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* The `name`s of `error` events that should likely result in the `_flashState`
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* variable's property values being updated.
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* @private
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*/
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var _flashStateErrorNames = [ "flash-disabled", "flash-outdated", "flash-sandboxed", "flash-unavailable", "flash-degraded", "flash-deactivated", "flash-overdue" ];
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/**
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* A RegExp to match the `name` property of `error` events related to Flash.
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* @private
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*/
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var _flashStateErrorNameMatchingRegex = new RegExp("^flash-(" + _flashStateErrorNames.map(function(errorName) {
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return errorName.replace(/^flash-/, "");
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}).join("|") + ")$");
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/**
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* A RegExp to match the `name` property of `error` events related to Flash,
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* which is enabled.
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* @private
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*/
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var _flashStateEnabledErrorNameMatchingRegex = new RegExp("^flash-(" + _flashStateErrorNames.slice(1).map(function(errorName) {
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return errorName.replace(/^flash-/, "");
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}).join("|") + ")$");
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/**
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* ZeroClipboard configuration defaults for the Core module.
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* @private
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*/
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var _globalConfig = {
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swfPath: _getDefaultSwfPath(),
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trustedDomains: window.location.host ? [ window.location.host ] : [],
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cacheBust: true,
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forceEnhancedClipboard: false,
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flashLoadTimeout: 3e4,
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autoActivate: true,
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bubbleEvents: true,
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containerId: "global-zeroclipboard-html-bridge",
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containerClass: "global-zeroclipboard-container",
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swfObjectId: "global-zeroclipboard-flash-bridge",
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hoverClass: "zeroclipboard-is-hover",
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activeClass: "zeroclipboard-is-active",
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forceHandCursor: false,
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title: null,
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zIndex: 999999999
|
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};
|
|
/**
|
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* The underlying implementation of `ZeroClipboard.config`.
|
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* @private
|
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*/
|
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var _config = function(options) {
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if (typeof options === "object" && options !== null) {
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for (var prop in options) {
|
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if (_hasOwn.call(options, prop)) {
|
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if (/^(?:forceHandCursor|title|zIndex|bubbleEvents)$/.test(prop)) {
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_globalConfig[prop] = options[prop];
|
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} else if (_flashState.bridge == null) {
|
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if (prop === "containerId" || prop === "swfObjectId") {
|
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if (_isValidHtml4Id(options[prop])) {
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_globalConfig[prop] = options[prop];
|
|
} else {
|
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throw new Error("The specified `" + prop + "` value is not valid as an HTML4 Element ID");
|
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}
|
|
} else {
|
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_globalConfig[prop] = options[prop];
|
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}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (typeof options === "string" && options) {
|
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if (_hasOwn.call(_globalConfig, options)) {
|
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return _globalConfig[options];
|
|
}
|
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return;
|
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}
|
|
return _deepCopy(_globalConfig);
|
|
};
|
|
/**
|
|
* The underlying implementation of `ZeroClipboard.state`.
|
|
* @private
|
|
*/
|
|
var _state = function() {
|
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_detectSandbox();
|
|
return {
|
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browser: _pick(_navigator, [ "userAgent", "platform", "appName" ]),
|
|
flash: _omit(_flashState, [ "bridge" ]),
|
|
zeroclipboard: {
|
|
version: ZeroClipboard.version,
|
|
config: ZeroClipboard.config()
|
|
}
|
|
};
|
|
};
|
|
/**
|
|
* The underlying implementation of `ZeroClipboard.isFlashUnusable`.
|
|
* @private
|
|
*/
|
|
var _isFlashUnusable = function() {
|
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return !!(_flashState.disabled || _flashState.outdated || _flashState.sandboxed || _flashState.unavailable || _flashState.degraded || _flashState.deactivated);
|
|
};
|
|
/**
|
|
* The underlying implementation of `ZeroClipboard.on`.
|
|
* @private
|
|
*/
|
|
var _on = function(eventType, listener) {
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var i, len, events, added = {};
|
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if (typeof eventType === "string" && eventType) {
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events = eventType.toLowerCase().split(/\s+/);
|
|
} else if (typeof eventType === "object" && eventType && typeof listener === "undefined") {
|
|
for (i in eventType) {
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if (_hasOwn.call(eventType, i) && typeof i === "string" && i && typeof eventType[i] === "function") {
|
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ZeroClipboard.on(i, eventType[i]);
|
|
}
|
|
}
|
|
}
|
|
if (events && events.length) {
|
|
for (i = 0, len = events.length; i < len; i++) {
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eventType = events[i].replace(/^on/, "");
|
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added[eventType] = true;
|
|
if (!_handlers[eventType]) {
|
|
_handlers[eventType] = [];
|
|
}
|
|
_handlers[eventType].push(listener);
|
|
}
|
|
if (added.ready && _flashState.ready) {
|
|
ZeroClipboard.emit({
|
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type: "ready"
|
|
});
|
|
}
|
|
if (added.error) {
|
|
for (i = 0, len = _flashStateErrorNames.length; i < len; i++) {
|
|
if (_flashState[_flashStateErrorNames[i].replace(/^flash-/, "")] === true) {
|
|
ZeroClipboard.emit({
|
|
type: "error",
|
|
name: _flashStateErrorNames[i]
|
|
});
|
|
break;
|
|
}
|
|
}
|
|
if (_zcSwfVersion !== undefined && ZeroClipboard.version !== _zcSwfVersion) {
|
|
ZeroClipboard.emit({
|
|
type: "error",
|
|
name: "version-mismatch",
|
|
jsVersion: ZeroClipboard.version,
|
|
swfVersion: _zcSwfVersion
|
|
});
|
|
}
|
|
}
|
|
}
|
|
return ZeroClipboard;
|
|
};
|
|
/**
|
|
* The underlying implementation of `ZeroClipboard.off`.
|
|
* @private
|
|
*/
|
|
var _off = function(eventType, listener) {
|
|
var i, len, foundIndex, events, perEventHandlers;
|
|
if (arguments.length === 0) {
|
|
events = _keys(_handlers);
|
|
} else if (typeof eventType === "string" && eventType) {
|
|
events = eventType.split(/\s+/);
|
|
} else if (typeof eventType === "object" && eventType && typeof listener === "undefined") {
|
|
for (i in eventType) {
|
|
if (_hasOwn.call(eventType, i) && typeof i === "string" && i && typeof eventType[i] === "function") {
|
|
ZeroClipboard.off(i, eventType[i]);
|
|
}
|
|
}
|
|
}
|
|
if (events && events.length) {
|
|
for (i = 0, len = events.length; i < len; i++) {
|
|
eventType = events[i].toLowerCase().replace(/^on/, "");
|
|
perEventHandlers = _handlers[eventType];
|
|
if (perEventHandlers && perEventHandlers.length) {
|
|
if (listener) {
|
|
foundIndex = perEventHandlers.indexOf(listener);
|
|
while (foundIndex !== -1) {
|
|
perEventHandlers.splice(foundIndex, 1);
|
|
foundIndex = perEventHandlers.indexOf(listener, foundIndex);
|
|
}
|
|
} else {
|
|
perEventHandlers.length = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return ZeroClipboard;
|
|
};
|
|
/**
|
|
* The underlying implementation of `ZeroClipboard.handlers`.
|
|
* @private
|
|
*/
|
|
var _listeners = function(eventType) {
|
|
var copy;
|
|
if (typeof eventType === "string" && eventType) {
|
|
copy = _deepCopy(_handlers[eventType]) || null;
|
|
} else {
|
|
copy = _deepCopy(_handlers);
|
|
}
|
|
return copy;
|
|
};
|
|
/**
|
|
* The underlying implementation of `ZeroClipboard.emit`.
|
|
* @private
|
|
*/
|
|
var _emit = function(event) {
|
|
var eventCopy, returnVal, tmp;
|
|
event = _createEvent(event);
|
|
if (!event) {
|
|
return;
|
|
}
|
|
if (_preprocessEvent(event)) {
|
|
return;
|
|
}
|
|
if (event.type === "ready" && _flashState.overdue === true) {
|
|
return ZeroClipboard.emit({
|
|
type: "error",
|
|
name: "flash-overdue"
|
|
});
|
|
}
|
|
eventCopy = _extend({}, event);
|
|
_dispatchCallbacks.call(this, eventCopy);
|
|
if (event.type === "copy") {
|
|
tmp = _mapClipDataToFlash(_clipData);
|
|
returnVal = tmp.data;
|
|
_clipDataFormatMap = tmp.formatMap;
|
|
}
|
|
return returnVal;
|
|
};
|
|
/**
|
|
* The underlying implementation of `ZeroClipboard.create`.
|
|
* @private
|
|
*/
|
|
var _create = function() {
|
|
var previousState = _flashState.sandboxed;
|
|
_detectSandbox();
|
|
if (typeof _flashState.ready !== "boolean") {
|
|
_flashState.ready = false;
|
|
}
|
|
if (_flashState.sandboxed !== previousState && _flashState.sandboxed === true) {
|
|
_flashState.ready = false;
|
|
ZeroClipboard.emit({
|
|
type: "error",
|
|
name: "flash-sandboxed"
|
|
});
|
|
} else if (!ZeroClipboard.isFlashUnusable() && _flashState.bridge === null) {
|
|
var maxWait = _globalConfig.flashLoadTimeout;
|
|
if (typeof maxWait === "number" && maxWait >= 0) {
|
|
_flashCheckTimeout = _setTimeout(function() {
|
|
if (typeof _flashState.deactivated !== "boolean") {
|
|
_flashState.deactivated = true;
|
|
}
|
|
if (_flashState.deactivated === true) {
|
|
ZeroClipboard.emit({
|
|
type: "error",
|
|
name: "flash-deactivated"
|
|
});
|
|
}
|
|
}, maxWait);
|
|
}
|
|
_flashState.overdue = false;
|
|
_embedSwf();
|
|
}
|
|
};
|
|
/**
|
|
* The underlying implementation of `ZeroClipboard.destroy`.
|
|
* @private
|
|
*/
|
|
var _destroy = function() {
|
|
ZeroClipboard.clearData();
|
|
ZeroClipboard.blur();
|
|
ZeroClipboard.emit("destroy");
|
|
_unembedSwf();
|
|
ZeroClipboard.off();
|
|
};
|
|
/**
|
|
* The underlying implementation of `ZeroClipboard.setData`.
|
|
* @private
|
|
*/
|
|
var _setData = function(format, data) {
|
|
var dataObj;
|
|
if (typeof format === "object" && format && typeof data === "undefined") {
|
|
dataObj = format;
|
|
ZeroClipboard.clearData();
|
|
} else if (typeof format === "string" && format) {
|
|
dataObj = {};
|
|
dataObj[format] = data;
|
|
} else {
|
|
return;
|
|
}
|
|
for (var dataFormat in dataObj) {
|
|
if (typeof dataFormat === "string" && dataFormat && _hasOwn.call(dataObj, dataFormat) && typeof dataObj[dataFormat] === "string" && dataObj[dataFormat]) {
|
|
_clipData[dataFormat] = dataObj[dataFormat];
|
|
}
|
|
}
|
|
};
|
|
/**
|
|
* The underlying implementation of `ZeroClipboard.clearData`.
|
|
* @private
|
|
*/
|
|
var _clearData = function(format) {
|
|
if (typeof format === "undefined") {
|
|
_deleteOwnProperties(_clipData);
|
|
_clipDataFormatMap = null;
|
|
} else if (typeof format === "string" && _hasOwn.call(_clipData, format)) {
|
|
delete _clipData[format];
|
|
}
|
|
};
|
|
/**
|
|
* The underlying implementation of `ZeroClipboard.getData`.
|
|
* @private
|
|
*/
|
|
var _getData = function(format) {
|
|
if (typeof format === "undefined") {
|
|
return _deepCopy(_clipData);
|
|
} else if (typeof format === "string" && _hasOwn.call(_clipData, format)) {
|
|
return _clipData[format];
|
|
}
|
|
};
|
|
/**
|
|
* The underlying implementation of `ZeroClipboard.focus`/`ZeroClipboard.activate`.
|
|
* @private
|
|
*/
|
|
var _focus = function(element) {
|
|
if (!(element && element.nodeType === 1)) {
|
|
return;
|
|
}
|
|
if (_currentElement) {
|
|
_removeClass(_currentElement, _globalConfig.activeClass);
|
|
if (_currentElement !== element) {
|
|
_removeClass(_currentElement, _globalConfig.hoverClass);
|
|
}
|
|
}
|
|
_currentElement = element;
|
|
_addClass(element, _globalConfig.hoverClass);
|
|
var newTitle = element.getAttribute("title") || _globalConfig.title;
|
|
if (typeof newTitle === "string" && newTitle) {
|
|
var htmlBridge = _getHtmlBridge(_flashState.bridge);
|
|
if (htmlBridge) {
|
|
htmlBridge.setAttribute("title", newTitle);
|
|
}
|
|
}
|
|
var useHandCursor = _globalConfig.forceHandCursor === true || _getStyle(element, "cursor") === "pointer";
|
|
_setHandCursor(useHandCursor);
|
|
_reposition();
|
|
};
|
|
/**
|
|
* The underlying implementation of `ZeroClipboard.blur`/`ZeroClipboard.deactivate`.
|
|
* @private
|
|
*/
|
|
var _blur = function() {
|
|
var htmlBridge = _getHtmlBridge(_flashState.bridge);
|
|
if (htmlBridge) {
|
|
htmlBridge.removeAttribute("title");
|
|
htmlBridge.style.left = "0px";
|
|
htmlBridge.style.top = "-9999px";
|
|
htmlBridge.style.width = "1px";
|
|
htmlBridge.style.height = "1px";
|
|
}
|
|
if (_currentElement) {
|
|
_removeClass(_currentElement, _globalConfig.hoverClass);
|
|
_removeClass(_currentElement, _globalConfig.activeClass);
|
|
_currentElement = null;
|
|
}
|
|
};
|
|
/**
|
|
* The underlying implementation of `ZeroClipboard.activeElement`.
|
|
* @private
|
|
*/
|
|
var _activeElement = function() {
|
|
return _currentElement || null;
|
|
};
|
|
/**
|
|
* Check if a value is a valid HTML4 `ID` or `Name` token.
|
|
* @private
|
|
*/
|
|
var _isValidHtml4Id = function(id) {
|
|
return typeof id === "string" && id && /^[A-Za-z][A-Za-z0-9_:\-\.]*$/.test(id);
|
|
};
|
|
/**
|
|
* Create or update an `event` object, based on the `eventType`.
|
|
* @private
|
|
*/
|
|
var _createEvent = function(event) {
|
|
var eventType;
|
|
if (typeof event === "string" && event) {
|
|
eventType = event;
|
|
event = {};
|
|
} else if (typeof event === "object" && event && typeof event.type === "string" && event.type) {
|
|
eventType = event.type;
|
|
}
|
|
if (!eventType) {
|
|
return;
|
|
}
|
|
eventType = eventType.toLowerCase();
|
|
if (!event.target && (/^(copy|aftercopy|_click)$/.test(eventType) || eventType === "error" && event.name === "clipboard-error")) {
|
|
event.target = _copyTarget;
|
|
}
|
|
_extend(event, {
|
|
type: eventType,
|
|
target: event.target || _currentElement || null,
|
|
relatedTarget: event.relatedTarget || null,
|
|
currentTarget: _flashState && _flashState.bridge || null,
|
|
timeStamp: event.timeStamp || _now() || null
|
|
});
|
|
var msg = _eventMessages[event.type];
|
|
if (event.type === "error" && event.name && msg) {
|
|
msg = msg[event.name];
|
|
}
|
|
if (msg) {
|
|
event.message = msg;
|
|
}
|
|
if (event.type === "ready") {
|
|
_extend(event, {
|
|
target: null,
|
|
version: _flashState.version
|
|
});
|
|
}
|
|
if (event.type === "error") {
|
|
if (_flashStateErrorNameMatchingRegex.test(event.name)) {
|
|
_extend(event, {
|
|
target: null,
|
|
minimumVersion: _minimumFlashVersion
|
|
});
|
|
}
|
|
if (_flashStateEnabledErrorNameMatchingRegex.test(event.name)) {
|
|
_extend(event, {
|
|
version: _flashState.version
|
|
});
|
|
}
|
|
}
|
|
if (event.type === "copy") {
|
|
event.clipboardData = {
|
|
setData: ZeroClipboard.setData,
|
|
clearData: ZeroClipboard.clearData
|
|
};
|
|
}
|
|
if (event.type === "aftercopy") {
|
|
event = _mapClipResultsFromFlash(event, _clipDataFormatMap);
|
|
}
|
|
if (event.target && !event.relatedTarget) {
|
|
event.relatedTarget = _getRelatedTarget(event.target);
|
|
}
|
|
return _addMouseData(event);
|
|
};
|
|
/**
|
|
* Get a relatedTarget from the target's `data-clipboard-target` attribute
|
|
* @private
|
|
*/
|
|
var _getRelatedTarget = function(targetEl) {
|
|
var relatedTargetId = targetEl && targetEl.getAttribute && targetEl.getAttribute("data-clipboard-target");
|
|
return relatedTargetId ? _document.getElementById(relatedTargetId) : null;
|
|
};
|
|
/**
|
|
* Add element and position data to `MouseEvent` instances
|
|
* @private
|
|
*/
|
|
var _addMouseData = function(event) {
|
|
if (event && /^_(?:click|mouse(?:over|out|down|up|move))$/.test(event.type)) {
|
|
var srcElement = event.target;
|
|
var fromElement = event.type === "_mouseover" && event.relatedTarget ? event.relatedTarget : undefined;
|
|
var toElement = event.type === "_mouseout" && event.relatedTarget ? event.relatedTarget : undefined;
|
|
var pos = _getElementPosition(srcElement);
|
|
var screenLeft = _window.screenLeft || _window.screenX || 0;
|
|
var screenTop = _window.screenTop || _window.screenY || 0;
|
|
var scrollLeft = _document.body.scrollLeft + _document.documentElement.scrollLeft;
|
|
var scrollTop = _document.body.scrollTop + _document.documentElement.scrollTop;
|
|
var pageX = pos.left + (typeof event._stageX === "number" ? event._stageX : 0);
|
|
var pageY = pos.top + (typeof event._stageY === "number" ? event._stageY : 0);
|
|
var clientX = pageX - scrollLeft;
|
|
var clientY = pageY - scrollTop;
|
|
var screenX = screenLeft + clientX;
|
|
var screenY = screenTop + clientY;
|
|
var moveX = typeof event.movementX === "number" ? event.movementX : 0;
|
|
var moveY = typeof event.movementY === "number" ? event.movementY : 0;
|
|
delete event._stageX;
|
|
delete event._stageY;
|
|
_extend(event, {
|
|
srcElement: srcElement,
|
|
fromElement: fromElement,
|
|
toElement: toElement,
|
|
screenX: screenX,
|
|
screenY: screenY,
|
|
pageX: pageX,
|
|
pageY: pageY,
|
|
clientX: clientX,
|
|
clientY: clientY,
|
|
x: clientX,
|
|
y: clientY,
|
|
movementX: moveX,
|
|
movementY: moveY,
|
|
offsetX: 0,
|
|
offsetY: 0,
|
|
layerX: 0,
|
|
layerY: 0
|
|
});
|
|
}
|
|
return event;
|
|
};
|
|
/**
|
|
* Determine if an event's registered handlers should be execute synchronously or asynchronously.
|
|
*
|
|
* @returns {boolean}
|
|
* @private
|
|
*/
|
|
var _shouldPerformAsync = function(event) {
|
|
var eventType = event && typeof event.type === "string" && event.type || "";
|
|
return !/^(?:(?:before)?copy|destroy)$/.test(eventType);
|
|
};
|
|
/**
|
|
* Control if a callback should be executed asynchronously or not.
|
|
*
|
|
* @returns `undefined`
|
|
* @private
|
|
*/
|
|
var _dispatchCallback = function(func, context, args, async) {
|
|
if (async) {
|
|
_setTimeout(function() {
|
|
func.apply(context, args);
|
|
}, 0);
|
|
} else {
|
|
func.apply(context, args);
|
|
}
|
|
};
|
|
/**
|
|
* Handle the actual dispatching of events to client instances.
|
|
*
|
|
* @returns `undefined`
|
|
* @private
|
|
*/
|
|
var _dispatchCallbacks = function(event) {
|
|
if (!(typeof event === "object" && event && event.type)) {
|
|
return;
|
|
}
|
|
var async = _shouldPerformAsync(event);
|
|
var wildcardTypeHandlers = _handlers["*"] || [];
|
|
var specificTypeHandlers = _handlers[event.type] || [];
|
|
var handlers = wildcardTypeHandlers.concat(specificTypeHandlers);
|
|
if (handlers && handlers.length) {
|
|
var i, len, func, context, eventCopy, originalContext = this;
|
|
for (i = 0, len = handlers.length; i < len; i++) {
|
|
func = handlers[i];
|
|
context = originalContext;
|
|
if (typeof func === "string" && typeof _window[func] === "function") {
|
|
func = _window[func];
|
|
}
|
|
if (typeof func === "object" && func && typeof func.handleEvent === "function") {
|
|
context = func;
|
|
func = func.handleEvent;
|
|
}
|
|
if (typeof func === "function") {
|
|
eventCopy = _extend({}, event);
|
|
_dispatchCallback(func, context, [ eventCopy ], async);
|
|
}
|
|
}
|
|
}
|
|
return this;
|
|
};
|
|
/**
|
|
* Check an `error` event's `name` property to see if Flash has
|
|
* already loaded, which rules out possible `iframe` sandboxing.
|
|
* @private
|
|
*/
|
|
var _getSandboxStatusFromErrorEvent = function(event) {
|
|
var isSandboxed = null;
|
|
if (_pageIsFramed === false || event && event.type === "error" && event.name && _errorsThatOnlyOccurAfterFlashLoads.indexOf(event.name) !== -1) {
|
|
isSandboxed = false;
|
|
}
|
|
return isSandboxed;
|
|
};
|
|
/**
|
|
* Preprocess any special behaviors, reactions, or state changes after receiving this event.
|
|
* Executes only once per event emitted, NOT once per client.
|
|
* @private
|
|
*/
|
|
var _preprocessEvent = function(event) {
|
|
var element = event.target || _currentElement || null;
|
|
var sourceIsSwf = event._source === "swf";
|
|
delete event._source;
|
|
switch (event.type) {
|
|
case "error":
|
|
var isSandboxed = event.name === "flash-sandboxed" || _getSandboxStatusFromErrorEvent(event);
|
|
if (typeof isSandboxed === "boolean") {
|
|
_flashState.sandboxed = isSandboxed;
|
|
}
|
|
if (_flashStateErrorNames.indexOf(event.name) !== -1) {
|
|
_extend(_flashState, {
|
|
disabled: event.name === "flash-disabled",
|
|
outdated: event.name === "flash-outdated",
|
|
unavailable: event.name === "flash-unavailable",
|
|
degraded: event.name === "flash-degraded",
|
|
deactivated: event.name === "flash-deactivated",
|
|
overdue: event.name === "flash-overdue",
|
|
ready: false
|
|
});
|
|
} else if (event.name === "version-mismatch") {
|
|
_zcSwfVersion = event.swfVersion;
|
|
_extend(_flashState, {
|
|
disabled: false,
|
|
outdated: false,
|
|
unavailable: false,
|
|
degraded: false,
|
|
deactivated: false,
|
|
overdue: false,
|
|
ready: false
|
|
});
|
|
}
|
|
_clearTimeoutsAndPolling();
|
|
break;
|
|
|
|
case "ready":
|
|
_zcSwfVersion = event.swfVersion;
|
|
var wasDeactivated = _flashState.deactivated === true;
|
|
_extend(_flashState, {
|
|
disabled: false,
|
|
outdated: false,
|
|
sandboxed: false,
|
|
unavailable: false,
|
|
degraded: false,
|
|
deactivated: false,
|
|
overdue: wasDeactivated,
|
|
ready: !wasDeactivated
|
|
});
|
|
_clearTimeoutsAndPolling();
|
|
break;
|
|
|
|
case "beforecopy":
|
|
_copyTarget = element;
|
|
break;
|
|
|
|
case "copy":
|
|
var textContent, htmlContent, targetEl = event.relatedTarget;
|
|
if (!(_clipData["text/html"] || _clipData["text/plain"]) && targetEl && (htmlContent = targetEl.value || targetEl.outerHTML || targetEl.innerHTML) && (textContent = targetEl.value || targetEl.textContent || targetEl.innerText)) {
|
|
event.clipboardData.clearData();
|
|
event.clipboardData.setData("text/plain", textContent);
|
|
if (htmlContent !== textContent) {
|
|
event.clipboardData.setData("text/html", htmlContent);
|
|
}
|
|
} else if (!_clipData["text/plain"] && event.target && (textContent = event.target.getAttribute("data-clipboard-text"))) {
|
|
event.clipboardData.clearData();
|
|
event.clipboardData.setData("text/plain", textContent);
|
|
}
|
|
break;
|
|
|
|
case "aftercopy":
|
|
_queueEmitClipboardErrors(event);
|
|
ZeroClipboard.clearData();
|
|
if (element && element !== _safeActiveElement() && element.focus) {
|
|
element.focus();
|
|
}
|
|
break;
|
|
|
|
case "_mouseover":
|
|
ZeroClipboard.focus(element);
|
|
if (_globalConfig.bubbleEvents === true && sourceIsSwf) {
|
|
if (element && element !== event.relatedTarget && !_containedBy(event.relatedTarget, element)) {
|
|
_fireMouseEvent(_extend({}, event, {
|
|
type: "mouseenter",
|
|
bubbles: false,
|
|
cancelable: false
|
|
}));
|
|
}
|
|
_fireMouseEvent(_extend({}, event, {
|
|
type: "mouseover"
|
|
}));
|
|
}
|
|
break;
|
|
|
|
case "_mouseout":
|
|
ZeroClipboard.blur();
|
|
if (_globalConfig.bubbleEvents === true && sourceIsSwf) {
|
|
if (element && element !== event.relatedTarget && !_containedBy(event.relatedTarget, element)) {
|
|
_fireMouseEvent(_extend({}, event, {
|
|
type: "mouseleave",
|
|
bubbles: false,
|
|
cancelable: false
|
|
}));
|
|
}
|
|
_fireMouseEvent(_extend({}, event, {
|
|
type: "mouseout"
|
|
}));
|
|
}
|
|
break;
|
|
|
|
case "_mousedown":
|
|
_addClass(element, _globalConfig.activeClass);
|
|
if (_globalConfig.bubbleEvents === true && sourceIsSwf) {
|
|
_fireMouseEvent(_extend({}, event, {
|
|
type: event.type.slice(1)
|
|
}));
|
|
}
|
|
break;
|
|
|
|
case "_mouseup":
|
|
_removeClass(element, _globalConfig.activeClass);
|
|
if (_globalConfig.bubbleEvents === true && sourceIsSwf) {
|
|
_fireMouseEvent(_extend({}, event, {
|
|
type: event.type.slice(1)
|
|
}));
|
|
}
|
|
break;
|
|
|
|
case "_click":
|
|
_copyTarget = null;
|
|
if (_globalConfig.bubbleEvents === true && sourceIsSwf) {
|
|
_fireMouseEvent(_extend({}, event, {
|
|
type: event.type.slice(1)
|
|
}));
|
|
}
|
|
break;
|
|
|
|
case "_mousemove":
|
|
if (_globalConfig.bubbleEvents === true && sourceIsSwf) {
|
|
_fireMouseEvent(_extend({}, event, {
|
|
type: event.type.slice(1)
|
|
}));
|
|
}
|
|
break;
|
|
}
|
|
if (/^_(?:click|mouse(?:over|out|down|up|move))$/.test(event.type)) {
|
|
return true;
|
|
}
|
|
};
|
|
/**
|
|
* Check an "aftercopy" event for clipboard errors and emit a corresponding "error" event.
|
|
* @private
|
|
*/
|
|
var _queueEmitClipboardErrors = function(aftercopyEvent) {
|
|
if (aftercopyEvent.errors && aftercopyEvent.errors.length > 0) {
|
|
var errorEvent = _deepCopy(aftercopyEvent);
|
|
_extend(errorEvent, {
|
|
type: "error",
|
|
name: "clipboard-error"
|
|
});
|
|
delete errorEvent.success;
|
|
_setTimeout(function() {
|
|
ZeroClipboard.emit(errorEvent);
|
|
}, 0);
|
|
}
|
|
};
|
|
/**
|
|
* Dispatch a synthetic MouseEvent.
|
|
*
|
|
* @returns `undefined`
|
|
* @private
|
|
*/
|
|
var _fireMouseEvent = function(event) {
|
|
if (!(event && typeof event.type === "string" && event)) {
|
|
return;
|
|
}
|
|
var e, target = event.target || null, doc = target && target.ownerDocument || _document, defaults = {
|
|
view: doc.defaultView || _window,
|
|
canBubble: true,
|
|
cancelable: true,
|
|
detail: event.type === "click" ? 1 : 0,
|
|
button: typeof event.which === "number" ? event.which - 1 : typeof event.button === "number" ? event.button : doc.createEvent ? 0 : 1
|
|
}, args = _extend(defaults, event);
|
|
if (!target) {
|
|
return;
|
|
}
|
|
if (doc.createEvent && target.dispatchEvent) {
|
|
args = [ args.type, args.canBubble, args.cancelable, args.view, args.detail, args.screenX, args.screenY, args.clientX, args.clientY, args.ctrlKey, args.altKey, args.shiftKey, args.metaKey, args.button, args.relatedTarget ];
|
|
e = doc.createEvent("MouseEvents");
|
|
if (e.initMouseEvent) {
|
|
e.initMouseEvent.apply(e, args);
|
|
e._source = "js";
|
|
target.dispatchEvent(e);
|
|
}
|
|
}
|
|
};
|
|
/**
|
|
* Continuously poll the DOM until either:
|
|
* (a) the fallback content becomes visible, or
|
|
* (b) we receive an event from SWF (handled elsewhere)
|
|
*
|
|
* IMPORTANT:
|
|
* This is NOT a necessary check but it can result in significantly faster
|
|
* detection of bad `swfPath` configuration and/or network/server issues [in
|
|
* supported browsers] than waiting for the entire `flashLoadTimeout` duration
|
|
* to elapse before detecting that the SWF cannot be loaded. The detection
|
|
* duration can be anywhere from 10-30 times faster [in supported browsers] by
|
|
* using this approach.
|
|
*
|
|
* @returns `undefined`
|
|
* @private
|
|
*/
|
|
var _watchForSwfFallbackContent = function() {
|
|
var maxWait = _globalConfig.flashLoadTimeout;
|
|
if (typeof maxWait === "number" && maxWait >= 0) {
|
|
var pollWait = Math.min(1e3, maxWait / 10);
|
|
var fallbackContentId = _globalConfig.swfObjectId + "_fallbackContent";
|
|
_swfFallbackCheckInterval = _setInterval(function() {
|
|
var el = _document.getElementById(fallbackContentId);
|
|
if (_isElementVisible(el)) {
|
|
_clearTimeoutsAndPolling();
|
|
_flashState.deactivated = null;
|
|
ZeroClipboard.emit({
|
|
type: "error",
|
|
name: "swf-not-found"
|
|
});
|
|
}
|
|
}, pollWait);
|
|
}
|
|
};
|
|
/**
|
|
* Create the HTML bridge element to embed the Flash object into.
|
|
* @private
|
|
*/
|
|
var _createHtmlBridge = function() {
|
|
var container = _document.createElement("div");
|
|
container.id = _globalConfig.containerId;
|
|
container.className = _globalConfig.containerClass;
|
|
container.style.position = "absolute";
|
|
container.style.left = "0px";
|
|
container.style.top = "-9999px";
|
|
container.style.width = "1px";
|
|
container.style.height = "1px";
|
|
container.style.zIndex = "" + _getSafeZIndex(_globalConfig.zIndex);
|
|
return container;
|
|
};
|
|
/**
|
|
* Get the HTML element container that wraps the Flash bridge object/element.
|
|
* @private
|
|
*/
|
|
var _getHtmlBridge = function(flashBridge) {
|
|
var htmlBridge = flashBridge && flashBridge.parentNode;
|
|
while (htmlBridge && htmlBridge.nodeName === "OBJECT" && htmlBridge.parentNode) {
|
|
htmlBridge = htmlBridge.parentNode;
|
|
}
|
|
return htmlBridge || null;
|
|
};
|
|
/**
|
|
* Create the SWF object.
|
|
*
|
|
* @returns The SWF object reference.
|
|
* @private
|
|
*/
|
|
var _embedSwf = function() {
|
|
var len, flashBridge = _flashState.bridge, container = _getHtmlBridge(flashBridge);
|
|
if (!flashBridge) {
|
|
var allowScriptAccess = _determineScriptAccess(_window.location.host, _globalConfig);
|
|
var allowNetworking = allowScriptAccess === "never" ? "none" : "all";
|
|
var flashvars = _vars(_extend({
|
|
jsVersion: ZeroClipboard.version
|
|
}, _globalConfig));
|
|
var swfUrl = _globalConfig.swfPath + _cacheBust(_globalConfig.swfPath, _globalConfig);
|
|
container = _createHtmlBridge();
|
|
var divToBeReplaced = _document.createElement("div");
|
|
container.appendChild(divToBeReplaced);
|
|
_document.body.appendChild(container);
|
|
var tmpDiv = _document.createElement("div");
|
|
var usingActiveX = _flashState.pluginType === "activex";
|
|
tmpDiv.innerHTML = '<object id="' + _globalConfig.swfObjectId + '" name="' + _globalConfig.swfObjectId + '" ' + 'width="100%" height="100%" ' + (usingActiveX ? 'classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"' : 'type="application/x-shockwave-flash" data="' + swfUrl + '"') + ">" + (usingActiveX ? '<param name="movie" value="' + swfUrl + '"/>' : "") + '<param name="allowScriptAccess" value="' + allowScriptAccess + '"/>' + '<param name="allowNetworking" value="' + allowNetworking + '"/>' + '<param name="menu" value="false"/>' + '<param name="wmode" value="transparent"/>' + '<param name="flashvars" value="' + flashvars + '"/>' + '<div id="' + _globalConfig.swfObjectId + '_fallbackContent"> </div>' + "</object>";
|
|
flashBridge = tmpDiv.firstChild;
|
|
tmpDiv = null;
|
|
_unwrap(flashBridge).ZeroClipboard = ZeroClipboard;
|
|
container.replaceChild(flashBridge, divToBeReplaced);
|
|
_watchForSwfFallbackContent();
|
|
}
|
|
if (!flashBridge) {
|
|
flashBridge = _document[_globalConfig.swfObjectId];
|
|
if (flashBridge && (len = flashBridge.length)) {
|
|
flashBridge = flashBridge[len - 1];
|
|
}
|
|
if (!flashBridge && container) {
|
|
flashBridge = container.firstChild;
|
|
}
|
|
}
|
|
_flashState.bridge = flashBridge || null;
|
|
return flashBridge;
|
|
};
|
|
/**
|
|
* Destroy the SWF object.
|
|
* @private
|
|
*/
|
|
var _unembedSwf = function() {
|
|
var flashBridge = _flashState.bridge;
|
|
if (flashBridge) {
|
|
var htmlBridge = _getHtmlBridge(flashBridge);
|
|
if (htmlBridge) {
|
|
if (_flashState.pluginType === "activex" && "readyState" in flashBridge) {
|
|
flashBridge.style.display = "none";
|
|
(function removeSwfFromIE() {
|
|
if (flashBridge.readyState === 4) {
|
|
for (var prop in flashBridge) {
|
|
if (typeof flashBridge[prop] === "function") {
|
|
flashBridge[prop] = null;
|
|
}
|
|
}
|
|
if (flashBridge.parentNode) {
|
|
flashBridge.parentNode.removeChild(flashBridge);
|
|
}
|
|
if (htmlBridge.parentNode) {
|
|
htmlBridge.parentNode.removeChild(htmlBridge);
|
|
}
|
|
} else {
|
|
_setTimeout(removeSwfFromIE, 10);
|
|
}
|
|
})();
|
|
} else {
|
|
if (flashBridge.parentNode) {
|
|
flashBridge.parentNode.removeChild(flashBridge);
|
|
}
|
|
if (htmlBridge.parentNode) {
|
|
htmlBridge.parentNode.removeChild(htmlBridge);
|
|
}
|
|
}
|
|
}
|
|
_clearTimeoutsAndPolling();
|
|
_flashState.ready = null;
|
|
_flashState.bridge = null;
|
|
_flashState.deactivated = null;
|
|
_zcSwfVersion = undefined;
|
|
}
|
|
};
|
|
/**
|
|
* Map the data format names of the "clipData" to Flash-friendly names.
|
|
*
|
|
* @returns A new transformed object.
|
|
* @private
|
|
*/
|
|
var _mapClipDataToFlash = function(clipData) {
|
|
var newClipData = {}, formatMap = {};
|
|
if (!(typeof clipData === "object" && clipData)) {
|
|
return;
|
|
}
|
|
for (var dataFormat in clipData) {
|
|
if (dataFormat && _hasOwn.call(clipData, dataFormat) && typeof clipData[dataFormat] === "string" && clipData[dataFormat]) {
|
|
switch (dataFormat.toLowerCase()) {
|
|
case "text/plain":
|
|
case "text":
|
|
case "air:text":
|
|
case "flash:text":
|
|
newClipData.text = clipData[dataFormat];
|
|
formatMap.text = dataFormat;
|
|
break;
|
|
|
|
case "text/html":
|
|
case "html":
|
|
case "air:html":
|
|
case "flash:html":
|
|
newClipData.html = clipData[dataFormat];
|
|
formatMap.html = dataFormat;
|
|
break;
|
|
|
|
case "application/rtf":
|
|
case "text/rtf":
|
|
case "rtf":
|
|
case "richtext":
|
|
case "air:rtf":
|
|
case "flash:rtf":
|
|
newClipData.rtf = clipData[dataFormat];
|
|
formatMap.rtf = dataFormat;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return {
|
|
data: newClipData,
|
|
formatMap: formatMap
|
|
};
|
|
};
|
|
/**
|
|
* Map the data format names from Flash-friendly names back to their original "clipData" names (via a format mapping).
|
|
*
|
|
* @returns A new transformed object.
|
|
* @private
|
|
*/
|
|
var _mapClipResultsFromFlash = function(clipResults, formatMap) {
|
|
if (!(typeof clipResults === "object" && clipResults && typeof formatMap === "object" && formatMap)) {
|
|
return clipResults;
|
|
}
|
|
var newResults = {};
|
|
for (var prop in clipResults) {
|
|
if (_hasOwn.call(clipResults, prop)) {
|
|
if (prop === "errors") {
|
|
newResults[prop] = clipResults[prop] ? clipResults[prop].slice() : [];
|
|
for (var i = 0, len = newResults[prop].length; i < len; i++) {
|
|
newResults[prop][i].format = formatMap[newResults[prop][i].format];
|
|
}
|
|
} else if (prop !== "success" && prop !== "data") {
|
|
newResults[prop] = clipResults[prop];
|
|
} else {
|
|
newResults[prop] = {};
|
|
var tmpHash = clipResults[prop];
|
|
for (var dataFormat in tmpHash) {
|
|
if (dataFormat && _hasOwn.call(tmpHash, dataFormat) && _hasOwn.call(formatMap, dataFormat)) {
|
|
newResults[prop][formatMap[dataFormat]] = tmpHash[dataFormat];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return newResults;
|
|
};
|
|
/**
|
|
* Will look at a path, and will create a "?noCache={time}" or "&noCache={time}"
|
|
* query param string to return. Does NOT append that string to the original path.
|
|
* This is useful because ExternalInterface often breaks when a Flash SWF is cached.
|
|
*
|
|
* @returns The `noCache` query param with necessary "?"/"&" prefix.
|
|
* @private
|
|
*/
|
|
var _cacheBust = function(path, options) {
|
|
var cacheBust = options == null || options && options.cacheBust === true;
|
|
if (cacheBust) {
|
|
return (path.indexOf("?") === -1 ? "?" : "&") + "noCache=" + _now();
|
|
} else {
|
|
return "";
|
|
}
|
|
};
|
|
/**
|
|
* Creates a query string for the FlashVars param.
|
|
* Does NOT include the cache-busting query param.
|
|
*
|
|
* @returns FlashVars query string
|
|
* @private
|
|
*/
|
|
var _vars = function(options) {
|
|
var i, len, domain, domains, str = "", trustedOriginsExpanded = [];
|
|
if (options.trustedDomains) {
|
|
if (typeof options.trustedDomains === "string") {
|
|
domains = [ options.trustedDomains ];
|
|
} else if (typeof options.trustedDomains === "object" && "length" in options.trustedDomains) {
|
|
domains = options.trustedDomains;
|
|
}
|
|
}
|
|
if (domains && domains.length) {
|
|
for (i = 0, len = domains.length; i < len; i++) {
|
|
if (_hasOwn.call(domains, i) && domains[i] && typeof domains[i] === "string") {
|
|
domain = _extractDomain(domains[i]);
|
|
if (!domain) {
|
|
continue;
|
|
}
|
|
if (domain === "*") {
|
|
trustedOriginsExpanded.length = 0;
|
|
trustedOriginsExpanded.push(domain);
|
|
break;
|
|
}
|
|
trustedOriginsExpanded.push.apply(trustedOriginsExpanded, [ domain, "//" + domain, _window.location.protocol + "//" + domain ]);
|
|
}
|
|
}
|
|
}
|
|
if (trustedOriginsExpanded.length) {
|
|
str += "trustedOrigins=" + _encodeURIComponent(trustedOriginsExpanded.join(","));
|
|
}
|
|
if (options.forceEnhancedClipboard === true) {
|
|
str += (str ? "&" : "") + "forceEnhancedClipboard=true";
|
|
}
|
|
if (typeof options.swfObjectId === "string" && options.swfObjectId) {
|
|
str += (str ? "&" : "") + "swfObjectId=" + _encodeURIComponent(options.swfObjectId);
|
|
}
|
|
if (typeof options.jsVersion === "string" && options.jsVersion) {
|
|
str += (str ? "&" : "") + "jsVersion=" + _encodeURIComponent(options.jsVersion);
|
|
}
|
|
return str;
|
|
};
|
|
/**
|
|
* Extract the domain (e.g. "github.com") from an origin (e.g. "https://github.com") or
|
|
* URL (e.g. "https://github.com/zeroclipboard/zeroclipboard/").
|
|
*
|
|
* @returns the domain
|
|
* @private
|
|
*/
|
|
var _extractDomain = function(originOrUrl) {
|
|
if (originOrUrl == null || originOrUrl === "") {
|
|
return null;
|
|
}
|
|
originOrUrl = originOrUrl.replace(/^\s+|\s+$/g, "");
|
|
if (originOrUrl === "") {
|
|
return null;
|
|
}
|
|
var protocolIndex = originOrUrl.indexOf("//");
|
|
originOrUrl = protocolIndex === -1 ? originOrUrl : originOrUrl.slice(protocolIndex + 2);
|
|
var pathIndex = originOrUrl.indexOf("/");
|
|
originOrUrl = pathIndex === -1 ? originOrUrl : protocolIndex === -1 || pathIndex === 0 ? null : originOrUrl.slice(0, pathIndex);
|
|
if (originOrUrl && originOrUrl.slice(-4).toLowerCase() === ".swf") {
|
|
return null;
|
|
}
|
|
return originOrUrl || null;
|
|
};
|
|
/**
|
|
* Set `allowScriptAccess` based on `trustedDomains` and `window.location.host` vs. `swfPath`.
|
|
*
|
|
* @returns The appropriate script access level.
|
|
* @private
|
|
*/
|
|
var _determineScriptAccess = function() {
|
|
var _extractAllDomains = function(origins) {
|
|
var i, len, tmp, resultsArray = [];
|
|
if (typeof origins === "string") {
|
|
origins = [ origins ];
|
|
}
|
|
if (!(typeof origins === "object" && origins && typeof origins.length === "number")) {
|
|
return resultsArray;
|
|
}
|
|
for (i = 0, len = origins.length; i < len; i++) {
|
|
if (_hasOwn.call(origins, i) && (tmp = _extractDomain(origins[i]))) {
|
|
if (tmp === "*") {
|
|
resultsArray.length = 0;
|
|
resultsArray.push("*");
|
|
break;
|
|
}
|
|
if (resultsArray.indexOf(tmp) === -1) {
|
|
resultsArray.push(tmp);
|
|
}
|
|
}
|
|
}
|
|
return resultsArray;
|
|
};
|
|
return function(currentDomain, configOptions) {
|
|
var swfDomain = _extractDomain(configOptions.swfPath);
|
|
if (swfDomain === null) {
|
|
swfDomain = currentDomain;
|
|
}
|
|
var trustedDomains = _extractAllDomains(configOptions.trustedDomains);
|
|
var len = trustedDomains.length;
|
|
if (len > 0) {
|
|
if (len === 1 && trustedDomains[0] === "*") {
|
|
return "always";
|
|
}
|
|
if (trustedDomains.indexOf(currentDomain) !== -1) {
|
|
if (len === 1 && currentDomain === swfDomain) {
|
|
return "sameDomain";
|
|
}
|
|
return "always";
|
|
}
|
|
}
|
|
return "never";
|
|
};
|
|
}();
|
|
/**
|
|
* Get the currently active/focused DOM element.
|
|
*
|
|
* @returns the currently active/focused element, or `null`
|
|
* @private
|
|
*/
|
|
var _safeActiveElement = function() {
|
|
try {
|
|
return _document.activeElement;
|
|
} catch (err) {
|
|
return null;
|
|
}
|
|
};
|
|
/**
|
|
* Add a class to an element, if it doesn't already have it.
|
|
*
|
|
* @returns The element, with its new class added.
|
|
* @private
|
|
*/
|
|
var _addClass = function(element, value) {
|
|
var c, cl, className, classNames = [];
|
|
if (typeof value === "string" && value) {
|
|
classNames = value.split(/\s+/);
|
|
}
|
|
if (element && element.nodeType === 1 && classNames.length > 0) {
|
|
if (element.classList) {
|
|
for (c = 0, cl = classNames.length; c < cl; c++) {
|
|
element.classList.add(classNames[c]);
|
|
}
|
|
} else if (element.hasOwnProperty("className")) {
|
|
className = " " + element.className + " ";
|
|
for (c = 0, cl = classNames.length; c < cl; c++) {
|
|
if (className.indexOf(" " + classNames[c] + " ") === -1) {
|
|
className += classNames[c] + " ";
|
|
}
|
|
}
|
|
element.className = className.replace(/^\s+|\s+$/g, "");
|
|
}
|
|
}
|
|
return element;
|
|
};
|
|
/**
|
|
* Remove a class from an element, if it has it.
|
|
*
|
|
* @returns The element, with its class removed.
|
|
* @private
|
|
*/
|
|
var _removeClass = function(element, value) {
|
|
var c, cl, className, classNames = [];
|
|
if (typeof value === "string" && value) {
|
|
classNames = value.split(/\s+/);
|
|
}
|
|
if (element && element.nodeType === 1 && classNames.length > 0) {
|
|
if (element.classList && element.classList.length > 0) {
|
|
for (c = 0, cl = classNames.length; c < cl; c++) {
|
|
element.classList.remove(classNames[c]);
|
|
}
|
|
} else if (element.className) {
|
|
className = (" " + element.className + " ").replace(/[\r\n\t]/g, " ");
|
|
for (c = 0, cl = classNames.length; c < cl; c++) {
|
|
className = className.replace(" " + classNames[c] + " ", " ");
|
|
}
|
|
element.className = className.replace(/^\s+|\s+$/g, "");
|
|
}
|
|
}
|
|
return element;
|
|
};
|
|
/**
|
|
* Attempt to interpret the element's CSS styling. If `prop` is `"cursor"`,
|
|
* then we assume that it should be a hand ("pointer") cursor if the element
|
|
* is an anchor element ("a" tag).
|
|
*
|
|
* @returns The computed style property.
|
|
* @private
|
|
*/
|
|
var _getStyle = function(el, prop) {
|
|
var value = _getComputedStyle(el, null).getPropertyValue(prop);
|
|
if (prop === "cursor") {
|
|
if (!value || value === "auto") {
|
|
if (el.nodeName === "A") {
|
|
return "pointer";
|
|
}
|
|
}
|
|
}
|
|
return value;
|
|
};
|
|
/**
|
|
* Get the absolutely positioned coordinates of a DOM element.
|
|
*
|
|
* @returns Object containing the element's position, width, and height.
|
|
* @private
|
|
*/
|
|
var _getElementPosition = function(el) {
|
|
var pos = {
|
|
left: 0,
|
|
top: 0,
|
|
width: 0,
|
|
height: 0
|
|
};
|
|
if (el.getBoundingClientRect) {
|
|
var elRect = el.getBoundingClientRect();
|
|
var pageXOffset = _window.pageXOffset;
|
|
var pageYOffset = _window.pageYOffset;
|
|
var leftBorderWidth = _document.documentElement.clientLeft || 0;
|
|
var topBorderWidth = _document.documentElement.clientTop || 0;
|
|
var leftBodyOffset = 0;
|
|
var topBodyOffset = 0;
|
|
if (_getStyle(_document.body, "position") === "relative") {
|
|
var bodyRect = _document.body.getBoundingClientRect();
|
|
var htmlRect = _document.documentElement.getBoundingClientRect();
|
|
leftBodyOffset = bodyRect.left - htmlRect.left || 0;
|
|
topBodyOffset = bodyRect.top - htmlRect.top || 0;
|
|
}
|
|
pos.left = elRect.left + pageXOffset - leftBorderWidth - leftBodyOffset;
|
|
pos.top = elRect.top + pageYOffset - topBorderWidth - topBodyOffset;
|
|
pos.width = "width" in elRect ? elRect.width : elRect.right - elRect.left;
|
|
pos.height = "height" in elRect ? elRect.height : elRect.bottom - elRect.top;
|
|
}
|
|
return pos;
|
|
};
|
|
/**
|
|
* Determine is an element is visible somewhere within the document (page).
|
|
*
|
|
* @returns Boolean
|
|
* @private
|
|
*/
|
|
var _isElementVisible = function(el) {
|
|
if (!el) {
|
|
return false;
|
|
}
|
|
var styles = _getComputedStyle(el, null);
|
|
var hasCssHeight = _parseFloat(styles.height) > 0;
|
|
var hasCssWidth = _parseFloat(styles.width) > 0;
|
|
var hasCssTop = _parseFloat(styles.top) >= 0;
|
|
var hasCssLeft = _parseFloat(styles.left) >= 0;
|
|
var cssKnows = hasCssHeight && hasCssWidth && hasCssTop && hasCssLeft;
|
|
var rect = cssKnows ? null : _getElementPosition(el);
|
|
var isVisible = styles.display !== "none" && styles.visibility !== "collapse" && (cssKnows || !!rect && (hasCssHeight || rect.height > 0) && (hasCssWidth || rect.width > 0) && (hasCssTop || rect.top >= 0) && (hasCssLeft || rect.left >= 0));
|
|
return isVisible;
|
|
};
|
|
/**
|
|
* Clear all existing timeouts and interval polling delegates.
|
|
*
|
|
* @returns `undefined`
|
|
* @private
|
|
*/
|
|