Marked as 0.2.9

public/vendor/idle.js

@@ -0,0 +1,160 @@
+(function() {
+  var Idle;
+
+  /** IE8/old browser support **/
+  if (!document.addEventListener) {
+    if (document.attachEvent) {
+      document.addEventListener = function(event, callback, useCapture) {
+        return document.attachEvent("on" + event, callback, useCapture);
+      };
+    } else {
+      document.addEventListener = function() {
+        return {};
+      };
+    }
+  }
+
+  if (!document.removeEventListener) {
+    if (document.detachEvent) {
+      document.removeEventListener = function(event, callback) {
+        return document.detachEvent("on" + event, callback);
+      };
+    } else {
+      document.removeEventListener = function() {
+        return {};
+      };
+    }
+  }
+
+  "use strict";
+
+  Idle = {};
+
+  Idle = (function() {
+    Idle.isAway = false;
+
+    Idle.awayTimeout = 3000;
+
+    Idle.awayTimestamp = 0;
+
+    Idle.awayTimer = null;
+
+    Idle.onAway = null;
+
+    Idle.onAwayBack = null;
+
+    Idle.onVisible = null;
+
+    Idle.onHidden = null;
+
+    function Idle(options) {
+      var activeMethod, activity;
+      if (options) {
+        this.awayTimeout = parseInt(options.awayTimeout, 10);
+        this.onAway = options.onAway;
+        this.onAwayBack = options.onAwayBack;
+        this.onVisible = options.onVisible;
+        this.onHidden = options.onHidden;
+      }
+      activity = this;
+      activeMethod = function() {
+        return activity.onActive();
+      };
+      window.onclick = activeMethod;
+      window.onmousemove = activeMethod;
+      window.onmouseenter = activeMethod;
+      window.onkeydown = activeMethod;
+      window.onscroll = activeMethod;
+      window.onmousewheel = activeMethod;
+    }
+
+    Idle.prototype.onActive = function() {
+      this.awayTimestamp = new Date().getTime() + this.awayTimeout;
+      if (this.isAway) {
+        this.isAway = false;
+        if (this.onAwayBack) {
+          this.onAwayBack();
+        }
+        this.start();
+      }
+      return true;
+    };
+
+    Idle.prototype.start = function() {
+      var activity;
+      if (!this.listener) {
+        this.listener = (function() {
+          return activity.handleVisibilityChange();
+        });
+        document.addEventListener("visibilitychange", this.listener, false);
+        document.addEventListener("webkitvisibilitychange", this.listener, false);
+        document.addEventListener("msvisibilitychange", this.listener, false);
+      }
+      this.awayTimestamp = new Date().getTime() + this.awayTimeout;
+      if (this.awayTimer !== null) {
+        clearTimeout(this.awayTimer);
+      }
+      activity = this;
+      this.awayTimer = setTimeout((function() {
+        return activity.checkAway();
+      }), this.awayTimeout + 100);
+      return this;
+    };
+
+    Idle.prototype.stop = function() {
+      if (this.awayTimer !== null) {
+        clearTimeout(this.awayTimer);
+      }
+      if (this.listener !== null) {
+        document.removeEventListener("visibilitychange", this.listener);
+        document.removeEventListener("webkitvisibilitychange", this.listener);
+        document.removeEventListener("msvisibilitychange", this.listener);
+        this.listener = null;
+      }
+      return this;
+    };
+
+    Idle.prototype.setAwayTimeout = function(ms) {
+      this.awayTimeout = parseInt(ms, 10);
+      return this;
+    };
+
+    Idle.prototype.checkAway = function() {
+      var activity, t;
+      t = new Date().getTime();
+      if (t < this.awayTimestamp) {
+        this.isAway = false;
+        activity = this;
+        this.awayTimer = setTimeout((function() {
+          return activity.checkAway();
+        }), this.awayTimestamp - t + 100);
+        return;
+      }
+      if (this.awayTimer !== null) {
+        clearTimeout(this.awayTimer);
+      }
+      this.isAway = true;
+      if (this.onAway) {
+        return this.onAway();
+      }
+    };
+
+    Idle.prototype.handleVisibilityChange = function() {
+      if (document.hidden || document.msHidden || document.webkitHidden) {
+        if (this.onHidden) {
+          return this.onHidden();
+        }
+      } else {
+        if (this.onVisible) {
+          return this.onVisible();
+        }
+      }
+    };
+
+    return Idle;
+
+  })();
+
+  window.Idle = Idle;
+
+}).call(this);