Track hovering of header features.

services/web/app/views/project/editor/header.jade

@@ -91,12 +91,14 @@ header.toolbar.toolbar-header(ng-cloak, ng-hide="state.loading")
 			ng-if="permissions.admin",
 			tooltip="#{translate('share')}",
 			tooltip-placement="bottom",
+			ng-mouseenter="trackHover('share')"
 			ng-click="openShareProjectModal()",
 			ng-controller="ShareController"
 		)
 			i.fa.fa-fw.fa-group
 		a.btn.btn-full-height(
 			href,
+			ng-mouseenter="trackHover('track-changes')"
 			ng-click="toggleTrackChanges()",
 			ng-class="{ active: (ui.view == 'track-changes') }"
 			tooltip="#{translate('recent_changes')}",
@@ -108,6 +110,7 @@ header.toolbar.toolbar-header(ng-cloak, ng-hide="state.loading")
 			tooltip="#{translate('chat')}",
 			tooltip-placement="bottom",
 			ng-class="{ active: ui.chatOpen }",
+			ng-mouseenter="trackHover('chat')"
 			ng-click="toggleChat()",
 			ng-controller="ChatButtonController",
 			ng-show="!anonymous"

services/web/public/coffee/ide.coffee

@@ -81,6 +81,9 @@ define [
 
 		$scope.$watch "ui.leftMenuShown", (isOpen) ->
 			event_tracking.sendCountlyOnce "ide-open-left-menu-once" if isOpen
+
+		$scope.trackHover = (feature) ->
+			event_tracking.sendCountlyOnce "ide-hover-#{feature}-once"
 		# End of tracking code.
 
 		window._ide = ide

services/web/public/coffee/ide/track-changes/TrackChangesManager.coffee

@@ -119,6 +119,7 @@ define [
 				diff.deleted = true
 
 		restoreDeletedDoc: (doc) ->
+			console.log("track-changes-restore-deleted")
 			url = "/project/#{@$scope.project_id}/doc/#{doc.id}/restore"
 			@ide.$http.post(url, name: doc.name, _csrf: window.csrfToken)
 

services/web/public/coffee/ide/track-changes/controllers/TrackChangesDiffController.coffee

@@ -8,6 +8,7 @@ define [
 			)
 
 		$scope.openRestoreDiffModal = () ->
+			console.log("track-changes-restore-modal")
 			$modal.open {
 				templateUrl: "trackChangesRestoreDiffModalTemplate"
 				controller: "TrackChangesRestoreDiffModalController"
@@ -22,6 +23,7 @@ define [
 		$scope.diff = diff
 
 		$scope.restore = () ->
+			console.log("track-changes-restored")
 			$scope.state.inflight = true
 			ide.trackChangesManager
 				.restoreDiff(diff)

services/web/public/coffee/ide/track-changes/controllers/TrackChangesListController.coffee

@@ -92,6 +92,7 @@ define [
 				$scope.recalculateSelectedUpdates()
 
 		$scope.select = () ->
+			console.log("track-changes-view")
 			$scope.update.selectedTo = true
 			$scope.update.selectedFrom = true