1 files changed, 186 insertions, 0 deletions
diff --git a/mailnews/base/content/newmailalert.js b/mailnews/base/content/newmailalert.js
new file mode 100644
index 000000000..243934092
--- /dev/null
+++ b/mailnews/base/content/newmailalert.js
@@ -0,0 +1,186 @@
+/* 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/. */
+
+Components.utils.import("resource://gre/modules/Services.jsm");
+Components.utils.import("resource:///modules/iteratorUtils.jsm");
+
+// Copied from nsILookAndFeel.h, see comments on eMetric_AlertNotificationOrigin
+var NS_ALERT_HORIZONTAL = 1;
+var NS_ALERT_LEFT = 2;
+var NS_ALERT_TOP = 4;
+
+var gNumNewMsgsToShowInAlert = 4; // the more messages we show in the alert, the larger it will be
+var gOpenTime = 4000; // total time the alert should stay up once we are done animating.
+
+var gAlertListener = null;
+var gPendingPreviewFetchRequests = 0;
+var gUserInitiated = false;
+var gOrigin = 0; // Default value: alert from bottom right.
+
+function prefillAlertInfo()
+{
+  const Ci = Components.interfaces;
+  // unwrap all the args....
+  // arguments[0] --> nsIArray of folders with new mail
+  // arguments[1] --> the observer to call back with notifications about the alert
+  // arguments[2] --> user initiated boolean. true if the user initiated opening the alert
+  //                 (which means skip the fade effect and don't auto close the alert)
+  // arguments[3] --> the alert origin returned by the look and feel
+  var foldersWithNewMail = window.arguments[0];
+  gAlertListener = window.arguments[1];
+  gUserInitiated = window.arguments[2];
+  gOrigin = window.arguments[3];
+
+  // For now just grab the first folder which should be a root folder
+  // for the account that has new mail. If we can't find a folder, just
+  // return to avoid the exception and empty dialog in upper left-hand corner.
+  if (!foldersWithNewMail || foldersWithNewMail.length < 1)
+    return;
+  let rootFolder = foldersWithNewMail.queryElementAt(0, Ci.nsIWeakReference)
+                                     .QueryReferent(Ci.nsIMsgFolder);
+
+  // Generate an account label string based on the root folder.
+  var label = document.getElementById('alertTitle');
+  var totalNumNewMessages = rootFolder.getNumNewMessages(true);
+  var message = totalNumNewMessages == 1 ? "newMailNotification_message"
+                                         : "newMailNotification_messages";
+  label.value = document.getElementById('bundle_messenger')
+                        .getFormattedString(message,
+                                            [rootFolder.prettiestName,
+                                             totalNumNewMessages]);
+
+  // This is really the root folder and we have to walk through the list to
+  // find the real folder that has new mail in it...:(
+  let allFolders = rootFolder.descendants;
+  var folderSummaryInfoEl = document.getElementById('folderSummaryInfo');
+  folderSummaryInfoEl.mMaxMsgHdrsInPopup = gNumNewMsgsToShowInAlert;
+  for (let folder in fixIterator(allFolders, Components.interfaces.nsIMsgFolder))
+  {
+    if (folder.hasNewMessages && !folder.getFlag(Ci.nsMsgFolderFlags.Virtual))
+    {
+      var asyncFetch = {};
+      folderSummaryInfoEl.parseFolder(folder, new urlListener(folder), asyncFetch);
+      if (asyncFetch.value)
+        gPendingPreviewFetchRequests++;
+    }
+  }
+}
+
+function urlListener(aFolder)
+{
+  this.mFolder = aFolder;
+}
+
+urlListener.prototype =
+{
+  OnStartRunningUrl: function(aUrl)
+  {
+  },
+
+  OnStopRunningUrl: function(aUrl, aExitCode)
+  {
+    var folderSummaryInfoEl = document.getElementById('folderSummaryInfo');
+    folderSummaryInfoEl.parseFolder(this.mFolder, null, {});
+    gPendingPreviewFetchRequests--;
+
+    // when we are done running all of our urls for fetching the preview text,
+    // start the alert.
+    if (!gPendingPreviewFetchRequests)
+      showAlert();
+  }
+}
+
+function onAlertLoad()
+{
+  prefillAlertInfo();
+  // read out our initial settings from prefs.
+  try
+  {
+    gOpenTime = Services.prefs.getIntPref("alerts.totalOpenTime");
+  } catch (ex) {}
+
+  // bogus call to make sure the window is moved offscreen until we are ready for it.
+  resizeAlert(true);
+
+  // if we aren't waiting to fetch preview text, then go ahead and
+  // start showing the alert.
+  if (!gPendingPreviewFetchRequests)
+    setTimeout(showAlert, 0); // let the JS thread unwind, to give layout
+                              // a chance to recompute the styles and widths for our alert text.
+}
+
+// If the user initiated the alert, show it right away, otherwise start opening the alert with
+// the fade effect.
+function showAlert()
+{
+  if (!document.getElementById("folderSummaryInfo").hasMessages) {
+    closeAlert(); // no mail, so don't bother showing the alert...
+    return;
+  }
+
+  // resize the alert based on our current content
+  resizeAlert(false);
+
+  var alertContainer = document.getElementById("alertContainer");
+  // Don't fade in if the user opened the alert or the pref is true.
+  if (gUserInitiated ||
+      Services.prefs.getBoolPref("alerts.disableSlidingEffect")) {
+    alertContainer.setAttribute("noanimation", true);
+    setTimeout(closeAlert, gOpenTime);
+    return;
+  }
+
+  alertContainer.addEventListener("animationend", function hideAlert(event) {
+    if (event.animationName == "fade-in") {
+      alertContainer.removeEventListener("animationend", hideAlert, false);
+      let remaining = Math.max(Math.round(gOpenTime - event.elapsedTime * 1000), 0);
+      setTimeout(fadeOutAlert, remaining);
+    }
+  }, false);
+  alertContainer.setAttribute("fade-in", true);
+}
+
+function resizeAlert(aMoveOffScreen)
+{
+  var alertTextBox = document.getElementById("alertTextBox");
+  var alertImageBox = document.getElementById("alertImageBox");
+  alertImageBox.style.minHeight = alertTextBox.scrollHeight + "px";
+
+  sizeToContent();
+
+  // leftover hack to get the window properly hidden when we first open it
+  if (aMoveOffScreen)
+    window.outerHeight = 1;
+
+  // Determine position
+  var x = gOrigin & NS_ALERT_LEFT ? screen.availLeft :
+          screen.availLeft + screen.availWidth - window.outerWidth;
+  var y = gOrigin & NS_ALERT_TOP ? screen.availTop :
+          screen.availTop + screen.availHeight - window.outerHeight;
+
+  // Offset the alert by 10 pixels from the edge of the screen
+  y += gOrigin & NS_ALERT_TOP ? 10 : -10;
+  x += gOrigin & NS_ALERT_LEFT ? 10 : -10;
+
+  window.moveTo(x, y);
+}
+
+function fadeOutAlert()
+{
+  var alertContainer = document.getElementById("alertContainer");
+  alertContainer.addEventListener("animationend", function fadeOut(event) {
+    if (event.animationName == "fade-out") {
+      alertContainer.removeEventListener("animationend", fadeOut, false);
+      closeAlert();
+    }
+  }, false);
+  alertContainer.setAttribute("fade-out", true);
+}
+
+function closeAlert()
+{
+  if (gAlertListener)
+    gAlertListener.observe(null, "alertfinished", "");
+  window.close();
+}