From 4492b5f8e774bf3b4f21e4e468fc052cbcbb468a Mon Sep 17 00:00:00 2001
From: Thomas Groman <tgroman@nuegia.net>
Date: Mon, 16 Dec 2019 19:48:42 -0800
Subject: initial commit

---
 components/sync/progress.js | 71 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 components/sync/progress.js

(limited to 'components/sync/progress.js')

diff --git a/components/sync/progress.js b/components/sync/progress.js
new file mode 100644
index 0000000..101160f
--- /dev/null
+++ b/components/sync/progress.js
@@ -0,0 +1,71 @@
+/* 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/. */
+
+const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
+Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource://services-sync/main.js");
+
+var gProgressBar;
+var gCounter = 0;
+
+function onLoad(event) {
+  Services.obs.addObserver(onEngineSync, "weave:engine:sync:finish", false);
+  Services.obs.addObserver(onEngineSync, "weave:engine:sync:error", false);
+  Services.obs.addObserver(onServiceSync, "weave:service:sync:finish", false);
+  Services.obs.addObserver(onServiceSync, "weave:service:sync:error", false);
+
+  gProgressBar = document.getElementById('uploadProgressBar');
+
+  if (Services.prefs.getPrefType("services.sync.firstSync") != Ci.nsIPrefBranch.PREF_INVALID) {
+    gProgressBar.hidden = false;
+  }
+  else {
+    gProgressBar.hidden = true;
+  }
+}
+
+function onUnload(event) {
+  cleanUpObservers();
+}
+
+function cleanUpObservers() {
+  try {
+    Services.obs.removeObserver(onEngineSync, "weave:engine:sync:finish");
+    Services.obs.removeObserver(onEngineSync, "weave:engine:sync:error");
+    Services.obs.removeObserver(onServiceSync, "weave:service:sync:finish");
+    Services.obs.removeObserver(onServiceSync, "weave:service:sync:error");
+  }
+  catch (e) {
+    // may be double called by unload & exit. Ignore.
+  }
+}
+
+function onEngineSync(subject, topic, data) {
+  // The Clients engine syncs first. At this point we don't necessarily know
+  // yet how many engines will be enabled, so we'll ignore the Clients engine
+  // and evaluate how many engines are enabled when the first "real" engine
+  // syncs.
+  if (data == "clients") {
+    return;
+  }
+
+  if (!gCounter &&
+      Services.prefs.getPrefType("services.sync.firstSync") != Ci.nsIPrefBranch.PREF_INVALID) {
+    gProgressBar.max = Weave.Service.engineManager.getEnabled().length;
+  }
+
+  gCounter += 1;
+  gProgressBar.setAttribute("value", gCounter);
+}
+
+function onServiceSync(subject, topic, data) {
+  // To address the case where 0 engines are synced, we will fill the
+  // progress bar so the user knows that the sync has finished.
+  gProgressBar.setAttribute("value", gProgressBar.max);
+  cleanUpObservers();
+}
+
+function closeTab() {
+  window.close();
+}
-- 
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