https://www.guerrillamail.com/js/ZeroClipboard.js

1/*!
2 * zeroclipboard
3 * The Zero Clipboard library provides an easy way to copy text to the clipboard using an invisible Adobe Flash movie, and a JavaScript interface.
4 * Copyright 2012 Jon Rohan, James M. Greene, .
5 * Released under the MIT license
6 * http://jonrohan.github.com/ZeroClipboard/
7 * v1.1.7
8 */(function() {
9  "use strict";
10  var _getStyle = function(el, prop) {
11    var y = el.style[prop];
12    if (el.currentStyle) y = el.currentStyle[prop]; else if (window.getComputedStyle) y = document.defaultView.getComputedStyle(el, null).getPropertyValue(prop);
13    if (y == "auto" && prop == "cursor") {
14      var possiblePointers = [ "a" ];
15      for (var i = 0; i < possiblePointers.length; i++) {
16        if (el.tagName.toLowerCase() == possiblePointers[i]) {
17          return "pointer";
18        }
19      }
20    }
21    return y;
22  };
23  var _elementMouseOver = function(event) {
24    if (!ZeroClipboard.prototype._singleton) return;
25    if (!event) {
26      event = window.event;
27    }
28    var target;
29    if (this !== window) {
30      target = this;
31    } else if (event.target) {
32      target = event.target;
33    } else if (event.srcElement) {
34      target = event.srcElement;
35    }
36    ZeroClipboard.prototype._singleton.setCurrent(target);
37  };
38  var _addEventHandler = function(element, method, func) {
39    if (element.addEventListener) {
40      element.addEventListener(method, func, false);
41    } else if (element.attachEvent) {
42      element.attachEvent("on" + method, func);
43    }
44  };
45  var _removeEventHandler = function(element, method, func) {
46    if (element.removeEventListener) {
47      element.removeEventListener(method, func, false);
48    } else if (element.detachEvent) {
49      element.detachEvent("on" + method, func);
50    }
51  };
52  var _addClass = function(element, value) {
53    if (element.addClass) {
54      element.addClass(value);
55      return element;
56    }
57    if (value && typeof value === "string") {
58      var classNames = (value || "").split(/\s+/);
59      if (element.nodeType === 1) {
60        if (!element.className) {
61          element.className = value;
62        } else {
63          var className = " " + element.className + " ", setClass = element.className;
64          for (var c = 0, cl = classNames.length; c < cl; c++) {
65            if (className.indexOf(" " + classNames[c] + " ") < 0) {
66              setClass += " " + classNames[c];
67            }
68          }
69          element.className = setClass.replace(/^\s+|\s+$/g, "");
70        }
71      }
72    }
73    return element;
74  };
75  var _removeClass = function(element, value) {
76    if (element.removeClass) {
77      element.removeClass(value);
78      return element;
79    }
80    if (value && typeof value === "string" || value === undefined) {
81      var classNames = (value || "").split(/\s+/);
82      if (element.nodeType === 1 && element.className) {
83        if (value) {
84          var className = (" " + element.className + " ").replace(/[\n\t]/g, " ");
85          for (var c = 0, cl = classNames.length; c < cl; c++) {
86            className = className.replace(" " + classNames[c] + " ", " ");
87          }
88          element.className = className.replace(/^\s+|\s+$/g, "");
89        } else {
90          element.className = "";
91        }
92      }
93    }
94    return element;
95  };
96  var _getDOMObjectPosition = function(obj) {
97    var info = {
98      left: 0,
99      top: 0,
100      width: obj.width || obj.offsetWidth || 0,
101      height: obj.height || obj.offsetHeight || 0,
102      zIndex: 9999
103    };
104    var zi = _getStyle(obj, "zIndex");
105    if (zi && zi != "auto") {
106      info.zIndex = parseInt(zi, 10);
107    }
108    while (obj) {
109      var borderLeftWidth = parseInt(_getStyle(obj, "borderLeftWidth"), 10);
110      var borderTopWidth = parseInt(_getStyle(obj, "borderTopWidth"), 10);
111      info.left += isNaN(obj.offsetLeft) ? 0 : obj.offsetLeft;
112      info.left += isNaN(borderLeftWidth) ? 0 : borderLeftWidth;
113      info.top += isNaN(obj.offsetTop) ? 0 : obj.offsetTop;
114      info.top += isNaN(borderTopWidth) ? 0 : borderTopWidth;
115      obj = obj.offsetParent;
116    }
117    return info;
118  };
119  var _noCache = function(path) {
120    return (path.indexOf("?") >= 0 ? "&" : "?") + "nocache=" + (new Date).getTime();
121  };
122  var _vars = function(options) {
123    var str = [];
124    if (options.trustedDomains) {
125      if (typeof options.trustedDomains === "string") {
126        str.push("trustedDomain=" + options.trustedDomains);
127      } else {
128        str.push("trustedDomain=" + options.trustedDomains.join(","));
129      }
130    }
131    return str.join("&");
132  };
133  var _inArray = function(elem, array) {
134    if (array.indexOf) {
135      return array.indexOf(elem);
136    }
137    for (var i = 0, length = array.length; i < length; i++) {
138      if (array[i] === elem) {
139        return i;
140      }
141    }
142    return -1;
143  };
144  var _prepGlue = function(elements) {
145    if (typeof elements === "string") throw new TypeError("ZeroClipboard doesn't accept query strings.");
146    if (!elements.length) return [ elements ];
147    return elements;
148  };
149  var ZeroClipboard = function(elements, options) {
150    if (elements) (ZeroClipboard.prototype._singleton || this).glue(elements);
151    if (ZeroClipboard.prototype._singleton) return ZeroClipboard.prototype._singleton;
152    ZeroClipboard.prototype._singleton = this;
153    this.options = {};
154    for (var kd in _defaults) this.options[kd] = _defaults[kd];
155    for (var ko in options) this.options[ko] = options[ko];
156    this.handlers = {};
157    if (ZeroClipboard.detectFlashSupport()) _bridge();
158  };
159  var currentElement, gluedElements = [];
160  ZeroClipboard.prototype.setCurrent = function(element) {
161    currentElement = element;
162    this.reposition();
163    this.htmlBridge.setAttribute("data-clipboard-text", this.options.text || element.getAttribute("data-clipboard-text"));
164    if (this.ready()) this.flashBridge.setText(this.options.text || element.getAttribute("data-clipboard-text"));
165    if (element.getAttribute("title")) {
166      this.setTitle(element.getAttribute("title"));
167    }
168    this.setHandCursor(_getStyle(element, "cursor") == "pointer");
169  };
170  ZeroClipboard.prototype.setText = function(newText) {
171    if (newText && newText !== "") {
172      this.options.text = newText;
173      if (this.ready()) this.flashBridge.setText(newText);
174    }
175  };
176  ZeroClipboard.prototype.setTitle = function(newTitle) {
177    if (newTitle && newTitle !== "") this.htmlBridge.setAttribute("title", newTitle);
178  };
179  ZeroClipboard.prototype.setSize = function(width, height) {
180    if (this.ready()) this.flashBridge.setSize(width, height);
181  };
182  ZeroClipboard.prototype.setHandCursor = function(enabled) {
183    if (this.ready()) this.flashBridge.setHandCursor(enabled);
184  };
185  ZeroClipboard.version = "1.1.7";
186  var _defaults = {
187    moviePath: "ZeroClipboard.swf",
188    trustedDomains: null,
189    text: null,
190    hoverClass: "zeroclipboard-is-hover",
191    activeClass: "zeroclipboard-is-active"
192  };
193  ZeroClipboard.setDefaults = function(options) {

194    for (var ko in options) _defaults[ko] = options[ko];
195  };
196  ZeroClipboard.destroy = function() {
197    ZeroClipboard.prototype._singleton.unglue(gluedElements);
198    var bridge = ZeroClipboard.prototype._singleton.htmlBridge;
199    bridge.parentNode.removeChild(bridge);
200    delete ZeroClipboard.prototype._singleton;
201  };
202  ZeroClipboard.detectFlashSupport = function() {
203    var hasFlash = false;
204    try {
205      if (new ActiveXObject("ShockwaveFlash.ShockwaveFlash")) {
206        hasFlash = true;
207      }
208    } catch (error) {
209      if (navigator.mimeTypes["application/x-shockwave-flash"]) {
210        hasFlash = true;
211      }
212    }
213    return hasFlash;
214  };
215  var _bridge = function() {
216    var client = ZeroClipboard.prototype._singleton;
217    client.htmlBridge = document.getElementById("global-zeroclipboard-html-bridge");
218    if (client.htmlBridge) {
219      client.flashBridge = document["global-zeroclipboard-flash-bridge"];
220      return;
221    }
222    var html = '    <object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" id="global-zeroclipboard-flash-bridge" width="100%" height="100%">       <param name="movie" value="' + client.options.moviePath + _noCache(client.options.moviePath) + '"/>       <param name="allowScriptAccess" value="always" />       <param name="scale" value="exactfit">       <param name="loop" value="false" />       <param name="menu" value="false" />       <param name="quality" value="best" />       <param name="bgcolor" value="#ffffff" />       <param name="wmode" value="transparent"/>       <param name="flashvars" value="' + _vars(client.options) + '"/>       <embed src="' + client.options.moviePath + _noCache(client.options.moviePath) + '"         loop="false" menu="false"         quality="best" bgcolor="#ffffff"         width="100%" height="100%"         name="global-zeroclipboard-flash-bridge"         allowScriptAccess="always"         allowFullScreen="false"         type="application/x-shockwave-flash"         wmode="transparent"         pluginspage="http://www.macromedia.com/go/getflashplayer"         flashvars="' + _vars(client.options) + '"         scale="exactfit">       </embed>     </object>';
223    client.htmlBridge = document.createElement("div");
224    client.htmlBridge.id = "global-zeroclipboard-html-bridge";
225    client.htmlBridge.setAttribute("class", "global-zeroclipboard-container");
226    client.htmlBridge.setAttribute("data-clipboard-ready", false);
227    client.htmlBridge.style.position = "absolute";
228    client.htmlBridge.style.left = "-9999px";
229    client.htmlBridge.style.top = "-9999px";
230    client.htmlBridge.style.width = "15px";
231    client.htmlBridge.style.height = "15px";
232    client.htmlBridge.style.zIndex = "9999";
233    client.htmlBridge.innerHTML = html;
234    document.body.appendChild(client.htmlBridge);
235    client.flashBridge = document["global-zeroclipboard-flash-bridge"];
236  };
237  ZeroClipboard.prototype.resetBridge = function() {
238    this.htmlBridge.style.left = "-9999px";
239    this.htmlBridge.style.top = "-9999px";
240    this.htmlBridge.removeAttribute("title");
241    this.htmlBridge.removeAttribute("data-clipboard-text");
242    _removeClass(currentElement, this.options.activeClass);
243    currentElement = null;
244    this.options.text = null;
245  };
246  ZeroClipboard.prototype.ready = function() {
247    var ready = this.htmlBridge.getAttribute("data-clipboard-ready");
248    return ready === "true" || ready === true;
249  };
250  ZeroClipboard.prototype.reposition = function() {
251    if (!currentElement) return false;
252    var pos = _getDOMObjectPosition(currentElement);
253    this.htmlBridge.style.top = pos.top + "px";
254    this.htmlBridge.style.left = pos.left + "px";
255    this.htmlBridge.style.width = pos.width + "px";
256    this.htmlBridge.style.height = pos.height + "px";
257    this.htmlBridge.style.zIndex = pos.zIndex + 1;
258    this.setSize(pos.width, pos.height);
259  };
260  ZeroClipboard.dispatch = function(eventName, args) {
261    ZeroClipboard.prototype._singleton.receiveEvent(eventName, args);
262  };
263  ZeroClipboard.prototype.on = function(eventName, func) {
264    var events = eventName.toString().split(/\s/g);
265    for (var i = 0; i < events.length; i++) {
266      eventName = events[i].toLowerCase().replace(/^on/, "");
267      if (!this.handlers[eventName]) this.handlers[eventName] = func;
268    }
269    if (this.handlers.noflash && !ZeroClipboard.detectFlashSupport()) {
270      this.receiveEvent("onNoFlash", null);
271    }
272  };
273  ZeroClipboard.prototype.addEventListener = ZeroClipboard.prototype.on;
274  ZeroClipboard.prototype.receiveEvent = function(eventName, args) {
275    eventName = eventName.toString().toLowerCase().replace(/^on/, "");
276    var element = currentElement;
277    switch (eventName) {

278     case "load":
279      if (args && parseFloat(args.flashVersion.replace(",", ".").replace(/[^0-9\.]/gi, "")) < 10) {
280        this.receiveEvent("onWrongFlash", {
281          flashVersion: args.flashVersion
282        });
283        return;
284      }
285      this.htmlBridge.setAttribute("data-clipboard-ready", true);
286      break;
287     case "mouseover":
288      _addClass(element, this.options.hoverClass);
289      break;
290     case "mouseout":
291      _removeClass(element, this.options.hoverClass);
292      this.resetBridge();
293      break;
294     case "mousedown":
295      _addClass(element, this.options.activeClass);
296      break;
297     case "mouseup":
298      _removeClass(element, this.options.activeClass);
299      break;
300     case "complete":
301      this.options.text = null;
302      break;
303    }
304    if (this.handlers[eventName]) {
305      var func = this.handlers[eventName];
306      if (typeof func == "function") {
307        func.call(element, this, args);
308      } else if (typeof func == "string") {
309        window[func].call(element, this, args);
310      }
311    }
312  };
313  ZeroClipboard.prototype.glue = function(elements) {
314    elements = _prepGlue(elements);
315    for (var i = 0; i < elements.length; i++) {
316      if (_inArray(elements[i], gluedElements) == -1) {
317        gluedElements.push(elements[i]);
318        _addEventHandler(elements[i], "mouseover", _elementMouseOver);
319      }
320    }
321  };
322  ZeroClipboard.prototype.unglue = function(elements) {
323    elements = _prepGlue(elements);
324    for (var i = 0; i < elements.length; i++) {
325      _removeEventHandler(elements[i], "mouseover", _elementMouseOver);
326      var arrayIndex = _inArray(elements[i], gluedElements);
327      if (arrayIndex != -1) gluedElements.splice(arrayIndex, 1);
328    }
329  };
330  if (typeof module !== "undefined") {
331    module.exports = ZeroClipboard;
332  } else {
333    window.ZeroClipboard = ZeroClipboard;
334  }
335})();