1 files changed, 106 insertions, 0 deletions
diff --git a/tools/addon-sdk-1.5/packages/api-utils/lib/timer.js b/tools/addon-sdk-1.5/packages/api-utils/lib/timer.js
new file mode 100644
index 0000000..1e0cff2
--- /dev/null
+++ b/tools/addon-sdk-1.5/packages/api-utils/lib/timer.js
@@ -0,0 +1,106 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+const {Cc,Ci} = require("chrome");
+var xpcom = require("./xpcom");
+
+var timerClass = Cc["@mozilla.org/timer;1"];
+var nextID = 1;
+var timers = {};
+
+function TimerCallback(timerID, callback, params) {
+  this._callback = callback;
+  this._params = params;
+};
+TimerCallback.prototype = {
+  QueryInterface : xpcom.utils.generateQI([Ci.nsITimerCallback])
+};
+
+function TimeoutCallback(timerID, callback, params) {
+  memory.track(this);
+  TimerCallback.apply(this, arguments)
+  this._timerID = timerID;
+};
+TimeoutCallback.prototype = new TimerCallback();
+TimeoutCallback.prototype.notify = function notifyOnTimeout(timer) {
+  try {
+    delete timers[this._timerID];
+    this._callback.apply(null, this._params);
+  } catch (e) {
+    console.exception(e);
+  }
+};
+
+function IntervalCallback(timerID, callback, params) {
+  memory.track(this);
+  TimerCallback.apply(this, arguments)
+};
+IntervalCallback.prototype = new TimerCallback();
+IntervalCallback.prototype.notify = function notifyOnInterval() {
+  try {
+    this._callback.apply(null, this._params);
+  } catch (e) {
+    console.exception(e);
+  }
+};
+
+
+var setTimeout = exports.setTimeout = function setTimeout(callback, delay) {
+  return makeTimer(
+    Ci.nsITimer.TYPE_ONE_SHOT,
+    callback,
+    TimeoutCallback,
+    delay,
+    Array.slice(arguments, 2));
+};
+
+var clearTimeout = exports.clearTimeout = function clearTimeout(timerID) {
+  cancelTimer(timerID);
+};
+
+var setInterval = exports.setInterval = function setInterval(callback, delay) {
+  return makeTimer(
+    Ci.nsITimer.TYPE_REPEATING_SLACK,
+    callback,
+    IntervalCallback,
+    delay,
+    Array.slice(arguments, 2));
+};
+
+var clearInterval = exports.clearInterval = function clearInterval(timerID) {
+  cancelTimer(timerID);
+};
+
+function makeTimer(type, callback, callbackType, delay, params) {
+  var timer = timerClass.createInstance(Ci.nsITimer);
+
+  memory.track(timer, "nsITimer");
+
+  var timerID = nextID++;
+  timers[timerID] = timer;
+
+  timer.initWithCallback(
+    new callbackType(timerID, callback, params),
+    delay || 0,
+    type
+  );
+  return timerID;
+}
+
+function cancelTimer(timerID) {
+  var timer = timers[timerID];
+  if (timer) {
+    timer.cancel();
+    delete timers[timerID];
+  }
+}
+
+require("./unload").when(
+  function cancelAllPendingTimers() {
+    var timerIDs = [timerID for (timerID in timers)];
+    timerIDs.forEach(function(timerID) { cancelTimer(timerID); });
+  });
+