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diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -8,7 +8,7 @@
return array(
'names' => array(
'core.pkg.css' => '63e782fb',
- 'core.pkg.js' => '44aac665',
+ 'core.pkg.js' => '408edfa5',
'darkconsole.pkg.js' => '8ab24e01',
'differential.pkg.css' => '8af45893',
'differential.pkg.js' => 'dad3622f',
@@ -166,7 +166,7 @@
'rsrc/externals/javelin/core/__tests__/install.js' => 'c432ee85',
'rsrc/externals/javelin/core/__tests__/stratcom.js' => 'da194d4b',
'rsrc/externals/javelin/core/__tests__/util.js' => 'd3b157a9',
- 'rsrc/externals/javelin/core/init.js' => 'b88ab49e',
+ 'rsrc/externals/javelin/core/init.js' => 'b5b4929d',
'rsrc/externals/javelin/core/init_node.js' => 'd7dde471',
'rsrc/externals/javelin/core/install.js' => '1ffb3a9c',
'rsrc/externals/javelin/core/util.js' => '90e3fde9',
@@ -193,6 +193,7 @@
'rsrc/externals/javelin/lib/DOM.js' => 'c4569c05',
'rsrc/externals/javelin/lib/History.js' => 'c60f4327',
'rsrc/externals/javelin/lib/JSON.js' => '69adf288',
+ 'rsrc/externals/javelin/lib/Leader.js' => '584afdb8',
'rsrc/externals/javelin/lib/Mask.js' => '8a41885b',
'rsrc/externals/javelin/lib/Request.js' => '97258e55',
'rsrc/externals/javelin/lib/Resource.js' => '0f81f8df',
@@ -341,7 +342,7 @@
'rsrc/image/texture/table_header_hover.png' => '038ec3b9',
'rsrc/image/texture/table_header_tall.png' => 'd56b434f',
'rsrc/js/application/aphlict/Aphlict.js' => '4a07e8e3',
- 'rsrc/js/application/aphlict/behavior-aphlict-dropdown.js' => 'f6bc26f0',
+ 'rsrc/js/application/aphlict/behavior-aphlict-dropdown.js' => '4d27f9e3',
'rsrc/js/application/aphlict/behavior-aphlict-listen.js' => 'a826c925',
'rsrc/js/application/aphlict/behavior-aphlict-status.js' => '58f7803f',
'rsrc/js/application/auth/behavior-persona-login.js' => '9414ff18',
@@ -536,7 +537,7 @@
'inline-comment-summary-css' => '8cfd34e8',
'javelin-aphlict' => '4a07e8e3',
'javelin-behavior' => '61cbc29a',
- 'javelin-behavior-aphlict-dropdown' => 'f6bc26f0',
+ 'javelin-behavior-aphlict-dropdown' => '4d27f9e3',
'javelin-behavior-aphlict-listen' => 'a826c925',
'javelin-behavior-aphlict-status' => '58f7803f',
'javelin-behavior-aphront-basic-tokenizer' => 'b3a4b884',
@@ -658,7 +659,8 @@
'javelin-history' => 'c60f4327',
'javelin-install' => '1ffb3a9c',
'javelin-json' => '69adf288',
- 'javelin-magical-init' => 'b88ab49e',
+ 'javelin-leader' => '584afdb8',
+ 'javelin-magical-init' => 'b5b4929d',
'javelin-mask' => '8a41885b',
'javelin-reactor' => '77b1cf6f',
'javelin-reactor-dom' => 'b6d401d6',
@@ -1100,6 +1102,17 @@
'javelin-install',
'javelin-util',
),
+ '4d27f9e3' => array(
+ 'javelin-behavior',
+ 'javelin-request',
+ 'javelin-stratcom',
+ 'javelin-vector',
+ 'javelin-dom',
+ 'javelin-uri',
+ 'javelin-behavior-device',
+ 'phabricator-title',
+ 'javelin-leader',
+ ),
'4d94d9c3' => array(
'javelin-behavior',
'javelin-stratcom',
@@ -1150,6 +1163,9 @@
'javelin-vector',
'javelin-dom',
),
+ '584afdb8' => array(
+ 'javelin-install',
+ ),
'58f7803f' => array(
'javelin-behavior',
'javelin-aphlict',
@@ -1885,16 +1901,6 @@
'javelin-util',
'javelin-reactor',
),
- 'f6bc26f0' => array(
- 'javelin-behavior',
- 'javelin-request',
- 'javelin-stratcom',
- 'javelin-vector',
- 'javelin-dom',
- 'javelin-uri',
- 'javelin-behavior-device',
- 'phabricator-title',
- ),
'f7379f45' => array(
'javelin-behavior',
'javelin-dom',
diff --git a/webroot/rsrc/externals/javelin/lib/Leader.js b/webroot/rsrc/externals/javelin/lib/Leader.js
new file mode 100644
--- /dev/null
+++ b/webroot/rsrc/externals/javelin/lib/Leader.js
@@ -0,0 +1,72 @@
+/**
+ * @requires javelin-install
+ * @provides javelin-leader
+ * @javelin
+ */
+
+JX.install('Leader', {
+ statics: {
+ _interval: null,
+ _key: 'JX.Leader.id',
+
+ call: function(callback) {
+ if (!window.localStorage) {
+ callback();
+ return;
+ }
+
+ var self = JX.Leader;
+ if (!self._id) {
+ self._id = 1 + parseInt(Math.random() * 1000000000, 10);
+ JX.Stratcom.listen('pagehide', null, self._pagehide);
+ }
+
+
+ var lease = self._read();
+
+ // If the lease is good, we're all set.
+ var now = +new Date();
+ if (lease.until > now) {
+ if (lease.id === self._id) {
+ if (!self._interval && lease.until > now + 10000) {
+ self._interval = window.setInterval(self._write, 5000);
+ }
+
+ callback();
+ }
+ return;
+ }
+
+ self._write();
+
+ window.setTimeout(JX.bind(null, self.call, callback), 10);
+ },
+
+ _write: function() {
+ var self = JX.Leader;
+
+ var str = [self._id, ((+new Date()) + 16000)].join(':');
+ window.localStorage.setItem(self._key, str);
+ },
+
+ _read: function() {
+ var self = JX.Leader;
+
+ leader = window.localStorage.getItem(self._key) || '0:0';
+ leader = leader.split(':');
+
+ return {
+ id: parseInt(leader[0], 10),
+ until: parseInt(leader[1], 10)
+ };
+ },
+
+ _pagehide: function() {
+ var self = JX.Leader;
+ if (self._read().id === self._id) {
+ window.localStorage.removeItem(self._key);
+ }
+ }
+ }
+});
+
diff --git a/webroot/rsrc/js/application/aphlict/behavior-aphlict-dropdown.js b/webroot/rsrc/js/application/aphlict/behavior-aphlict-dropdown.js
--- a/webroot/rsrc/js/application/aphlict/behavior-aphlict-dropdown.js
+++ b/webroot/rsrc/js/application/aphlict/behavior-aphlict-dropdown.js
@@ -8,6 +8,7 @@
* javelin-uri
* javelin-behavior-device
* phabricator-title
+ * javelin-leader
*/
JX.behavior('aphlict-dropdown', function(config, statics) {

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