Merge branch 'master' into node-6.9

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

@@ -93,7 +93,7 @@ header.toolbar.toolbar-header.toolbar-with-labels(
 		)
 			i.review-icon
 			p.toolbar-label
-				| Review
+				| #{translate("review")}
 				span(style="vertical-align: 20%; margin-left: 4px; padding: 2px 4px;").beta-feature-badge
 		a.btn.btn-full-height(
 			href,

services/web/app/views/project/editor/review-panel.pug

@@ -4,9 +4,7 @@
 		ng-if="editor.wantTrackChanges"
 		ng-click="toggleReviewPanel();"
 		ng-class="{ 'rp-track-changes-indicator-on-dark' : darkTheme }"
-	) Track changes is 
-		strong on
-			
+	) !{translate("track_changes_is_on")}
 	.review-panel-toolbar
 		resolved-comments-dropdown(
 			class="rp-flex-block"
@@ -21,10 +19,8 @@
 			permissions="permissions"
 		)
 		span.review-panel-toolbar-label(ng-if="permissions.write")
-			span(ng-click="toggleTrackChanges(true)", ng-if="editor.wantTrackChanges === false") Track Changes is 
-				strong off
-			span(ng-click="toggleTrackChanges(false)", ng-if="editor.wantTrackChanges === true") Track Changes is 
-				strong on
+			span(ng-click="toggleTrackChanges(true)", ng-if="editor.wantTrackChanges === false") !{translate("track_changes_is_off")}
+			span(ng-click="toggleTrackChanges(false)", ng-if="editor.wantTrackChanges === true") !{translate("track_changes_is_on")}
 			review-panel-toggle(
 				ng-if="editor.wantTrackChanges == editor.trackChanges"
 				ng-model="editor.wantTrackChanges"
@@ -33,10 +29,8 @@
 				on-disabled-click="openTrackChangesUpgradeModal"
 			)
 		span.review-panel-toolbar-label.review-panel-toolbar-label-disabled(ng-if="!permissions.write")
-			span(ng-if="editor.wantTrackChanges === false") Track Changes is 
-				strong off
-			span(ng-if="editor.wantTrackChanges === true") Track Changes is 
-				strong on
+			span(ng-if="editor.wantTrackChanges === false") !{translate("track_changes_is_off")}
+			span(ng-if="editor.wantTrackChanges === true") !{translate("track_changes_is_on")}
 		span.review-panel-toolbar-spinner(ng-if="editor.wantTrackChanges != editor.trackChanges")
 			i.fa.fa-spin.fa-spinner
 
@@ -47,6 +41,7 @@
 		.rp-entry-list-inner
 			.rp-entry-wrapper(
 				ng-repeat="(entry_id, entry) in reviewPanel.entries[editor.open_doc_id]"
+				ng-if="entry.visible"
 			)
 				div(ng-if="entry.type === 'insert' || entry.type === 'delete'")
 					change-entry(
@@ -92,33 +87,45 @@
 			ng-if="!reviewPanel.overview.loading"
 		)
 			.rp-overview-file-header(
-				ng-if="reviewPanel.entries[doc.doc.id] | notEmpty"
+				ng-if="(reviewPanel.entries[doc.doc.id] != null) && (reviewPanel.entries[doc.doc.id] | notEmpty)"
+				ng-click="reviewPanel.overview.docsCollapsedState[doc.doc.id] = ! reviewPanel.overview.docsCollapsedState[doc.doc.id]"
 			)
+				span.rp-overview-file-header-collapse(
+					ng-class="{ 'rp-overview-file-header-collapse-on': reviewPanel.overview.docsCollapsedState[doc.doc.id] }"
+				)
+					i.fa.fa-angle-down
 				| {{ doc.path }}
-			.rp-entry-wrapper(
-				ng-repeat="(entry_id, entry) in reviewPanel.entries[doc.doc.id] | orderOverviewEntries"
-				ng-if="!(entry.type === 'comment' && reviewPanel.commentThreads[entry.thread_id].resolved === true)"
+				span.rp-overview-file-num-entries(
+					ng-show="reviewPanel.overview.docsCollapsedState[doc.doc.id]"
+				)  ({{ reviewPanel.entries[doc.doc.id] | numKeys }})
+
+			.rp-overview-file-entries(
+				review-panel-collapse-height="reviewPanel.overview.docsCollapsedState[doc.doc.id]"
 			)
-				div(ng-if="entry.type === 'insert' || entry.type === 'delete'")
-					change-entry(
-						entry="entry"
-						user="users[entry.metadata.user_id]"
-						on-indicator-click="toggleReviewPanel();"
-						ng-click="gotoEntry(doc.doc.id, entry)"
-						permissions="permissions"
-					)
+				.rp-entry-wrapper(
+					ng-repeat="(entry_id, entry) in reviewPanel.entries[doc.doc.id] | orderOverviewEntries"
+					ng-if="!(entry.type === 'comment' && reviewPanel.commentThreads[entry.thread_id].resolved === true)"
+				)
+					div(ng-if="entry.type === 'insert' || entry.type === 'delete'")
+						change-entry(
+							entry="entry"
+							user="users[entry.metadata.user_id]"
+							on-indicator-click="toggleReviewPanel();"
+							ng-click="gotoEntry(doc.doc.id, entry)"
+							permissions="permissions"
+						)
 
-				div(ng-if="entry.type === 'comment'")
-					comment-entry(
-						entry="entry"
-						threads="reviewPanel.commentThreads"
-						on-reply="submitReply(entry, entry_id);"
-						on-save-edit="saveEdit(entry.thread_id, comment)"
-						on-delete="deleteComment(entry.thread_id, comment)"
-						on-indicator-click="toggleReviewPanel();"
-						ng-click="gotoEntry(doc.doc.id, entry)"
-						permissions="permissions"
-					)
+					div(ng-if="entry.type === 'comment'")
+						comment-entry(
+							entry="entry"
+							threads="reviewPanel.commentThreads"
+							on-reply="submitReply(entry, entry_id);"
+							on-save-edit="saveEdit(entry.thread_id, comment)"
+							on-delete="deleteComment(entry.thread_id, comment)"
+							on-indicator-click="toggleReviewPanel();"
+							ng-click="gotoEntry(doc.doc.id, entry)"
+							permissions="permissions"
+						)
 
 	.rp-nav
 		a.rp-nav-item(
@@ -127,14 +134,14 @@
 			ng-class="{ 'rp-nav-item-active' : reviewPanel.subView === SubViews.CUR_FILE }"
 		)
 			i.fa.fa-file-text-o
-			span.rp-nav-label Current file
+			span.rp-nav-label #{translate("current_file")}
 		a.rp-nav-item(
 			href
 			ng-click="setSubView(SubViews.OVERVIEW);"
 			ng-class="{ 'rp-nav-item-active' : reviewPanel.subView === SubViews.OVERVIEW }"
 		)
 			i.fa.fa-list
-			span.rp-nav-label Overview
+			span.rp-nav-label #{translate("overview")}
 
 
 script(type='text/ng-template', id='changeEntryTemplate')
@@ -158,30 +165,30 @@ script(type='text/ng-template', id='changeEntryTemplate')
 					i.rp-icon-delete(ng-switch-when="delete")
 				.rp-entry-details
 					.rp-entry-description(ng-switch="entry.type")
-						span(ng-switch-when="insert") Added 
+						span(ng-switch-when="insert") #{translate("tracked_change_added")} 
 							ins.rp-content-highlight {{ entry.content | limitTo:(isCollapsed ? contentLimit : entry.content.length) }}
 							a.rp-collapse-toggle(
 								href
 								ng-if="needsCollapsing"
 								ng-click="toggleCollapse();"
-							) {{ isCollapsed ? '... (show all)' : ' (show less)' }}
-						span(ng-switch-when="delete") Deleted 
+							) {{ isCollapsed ? '... (#{translate("show_all")})' : ' (#{translate("show_less")})' }}
+						span(ng-switch-when="delete") #{translate("tracked_change_deleted")} 
 							del.rp-content-highlight {{ entry.content | limitTo:(isCollapsed ? contentLimit : entry.content.length) }}
 							a.rp-collapse-toggle(
 								href
 								ng-if="needsCollapsing"
 								ng-click="toggleCollapse();"
-							) {{ isCollapsed ? '... (show all)' : ' (show less)' }}
+							) {{ isCollapsed ? '... (#{translate("show_all")})' : ' (#{translate("show_less")})' }}
 					.rp-entry-metadata
 						| {{ entry.metadata.ts | date : 'MMM d, y h:mm a' }} • 
 						span.rp-entry-user(style="color: hsl({{ user.hue }}, 70%, 40%);") {{ user.name }} 
 			.rp-entry-actions(ng-if="permissions.write")
 				a.rp-entry-button(href, ng-click="onReject();") 
 					i.fa.fa-times
-					|  Reject
+					|  #{translate("reject")}
 				a.rp-entry-button(href, ng-click="onAccept();") 
 					i.fa.fa-check
-					|  Accept
+					|  #{translate("accept")}
 
 script(type='text/ng-template', id='commentEntryTemplate')
 	.rp-comment-wrapper(
@@ -198,7 +205,7 @@ script(type='text/ng-template', id='commentEntryTemplate')
 		)
 
 			.rp-loading(ng-if="!threads[entry.thread_id].submitting && (!threads[entry.thread_id] || threads[entry.thread_id].messages.length == 0)")
-				| No comments
+				| #{translate("no_comments")}
 			.rp-comment-loaded
 				.rp-comment(
 					ng-repeat="comment in threads[entry.thread_id].messages track by comment.id"
@@ -222,16 +229,16 @@ script(type='text/ng-template', id='commentEntryTemplate')
 						span(ng-if="!comment.deleting") {{ comment.timestamp | date : 'MMM d, y h:mm a' }}
 						span.rp-comment-actions(ng-if="comment.user.isSelf && !comment.deleting")
 							|  • 
-							a(href, ng-click="startEditing(comment)") Edit
+							a(href, ng-click="startEditing(comment)") #{translate("edit")}
 							span(ng-if="threads[entry.thread_id].messages.length > 1")
 								|  • 
-								a(href, ng-click="confirmDelete(comment)") Delete
+								a(href, ng-click="confirmDelete(comment)") #{translate("delete")}
 						span.rp-confim-delete(ng-if="comment.user.isSelf && comment.deleting")
-							| Are you sure?
+							| #{translate("are_you_sure")}
 							| • 
-							a(href, ng-click="doDelete(comment)") Delete
+							a(href, ng-click="doDelete(comment)") #{translate("delete")}
 							|  • 
-							a(href, ng-click="cancelDelete(comment)") Cancel
+							a(href, ng-click="cancelDelete(comment)") #{translate("cancel")}
 
 			.rp-loading(ng-if="threads[entry.thread_id].submitting")
 				i.fa.fa-spinner.fa-spin
@@ -241,7 +248,7 @@ script(type='text/ng-template', id='commentEntryTemplate')
 					ng-model="entry.replyContent"
 					ng-keypress="handleCommentReplyKeyPress($event);"
 					stop-propagation="click"
-					placeholder="{{ 'Hit \"Enter\" to reply' + (entry.resolved ? ' and re-open' : '') }}"
+					placeholder=translate("hit_enter_to_reply")
 				)
 			.rp-entry-actions
 				button.rp-entry-button(
@@ -249,20 +256,20 @@ script(type='text/ng-template', id='commentEntryTemplate')
 					ng-if="permissions.comment && permissions.write"
 				) 
 					i.fa.fa-inbox
-					|  Resolve
+					|  #{translate("resolve")}
 				button.rp-entry-button(
 					ng-click="onReply();"
 					ng-if="permissions.comment"
 					ng-disabled="!entry.replyContent.length"
 				)
 					i.fa.fa-reply
-					|  Reply
+					|  #{translate("reply")}
 	
 script(type='text/ng-template', id='resolvedCommentEntryTemplate')
 	.rp-resolved-comment
 		div
 			.rp-resolved-comment-context
-				| Quoted text on 
+				| #{translate("quoted_text_in")} 
 				span.rp-resolved-comment-context-file {{ thread.docName }}
 				p.rp-resolved-comment-context-quote
 					span {{ thread.content | limitTo:(isCollapsed ? contentLimit : thread.content.length)}}
@@ -270,7 +277,7 @@ script(type='text/ng-template', id='resolvedCommentEntryTemplate')
 						href
 						ng-if="needsCollapsing"
 						ng-click="toggleCollapse();"
-					)  {{ isCollapsed ? '... (show all)' : ' (show less)' }}
+					)  {{ isCollapsed ? '... (#{translate("show_all")})' : ' (#{translate("show_less")})' }}
 			.rp-comment(
 				ng-repeat="comment in thread.messages track by comment.id"
 			)
@@ -287,7 +294,7 @@ script(type='text/ng-template', id='resolvedCommentEntryTemplate')
 					span.rp-entry-user(
 						style="color: hsl({{ thread.resolved_by_user.hue }}, 70%, 40%);"
 					) {{ thread.resolved_by_user.name }}: 
-					| Marked as resolved.
+					| #{translate("mark_as_resolved")}.
 				.rp-entry-metadata
 					| {{ thread.resolved_at | date : 'MMM d, y h:mm a' }}
 				
@@ -296,12 +303,12 @@ script(type='text/ng-template', id='resolvedCommentEntryTemplate')
 				href
 				ng-click="onUnresolve({ 'threadId': thread.threadId });"
 			) 
-				|  Re-open
+				|  #{translate("reopen")}
 			a.rp-entry-button(
 				href
 				ng-click="onDelete({ 'entryId': thread.entryId, 'docId': thread.docId, 'threadId': thread.threadId });"
 			)
-				|  Delete
+				|  #{translate("delete")}
 
 
 script(type='text/ng-template', id='addCommentEntryTemplate')
@@ -310,7 +317,7 @@ script(type='text/ng-template', id='addCommentEntryTemplate')
 		.rp-entry-indicator(
 			ng-if="!commentState.adding"
 			ng-click="startNewComment(); onIndicatorClick();"
-			tooltip="Add a comment"
+			tooltip=translate("add_comment")
 			tooltip-placement="{{ layoutToLeft ? 'left' : 'right' }}"
 			tooltip-append-to-body="true"
 		)
@@ -324,14 +331,14 @@ script(type='text/ng-template', id='addCommentEntryTemplate')
 				ng-click="startNewComment();"
 			) 
 				i.fa.fa-comment
-				|  Add comment
+				|  #{translate("add_comment")}
 			div(ng-if="state.isAdding")
 				.rp-new-comment
 					textarea.rp-comment-input(
 						expandable-text-area
 						ng-model="state.content"
 						ng-keypress="handleCommentKeyPress($event);"
-						placeholder="Add your comment here"
+						placeholder=translate("add_your_comment_here")
 						focus-on="comment:new:open"
 						ng-blur="submitNewComment()"
 					)
@@ -340,13 +347,13 @@ script(type='text/ng-template', id='addCommentEntryTemplate')
 						ng-click="cancelNewComment();"
 					) 
 						i.fa.fa-times
-						|  Cancel
+						|  #{translate("cancel")}
 					button.rp-entry-button(
 						ng-click="submitNewComment()"
 						ng-disabled="!state.content.length"
 					) 
 						i.fa.fa-comment
-						|  Comment
+						|  #{translate("comment")}
 
 script(type='text/ng-template', id='resolvedCommentsDropdownTemplate')
 	.resolved-comments
@@ -357,7 +364,7 @@ script(type='text/ng-template', id='resolvedCommentsDropdownTemplate')
 		a.resolved-comments-toggle(
 			href
 			ng-click="toggleOpenState();"
-			tooltip="Resolved Comments"
+			tooltip=translate("resolved_comments")
 			tooltip-placement="bottom"
 			tooltip-append-to-body="true"
 		)
@@ -378,7 +385,7 @@ script(type='text/ng-template', id='resolvedCommentsDropdownTemplate')
 					permissions="permissions"
 				)
 				.rp-loading(ng-if="!resolvedComments.length")
-					| No resolved threads.
+					| #{translate("no_resolved_threads")}.
 			
 script(type="text/ng-template", id="trackChangesUpgradeModalTemplate")
 	.modal-header
@@ -387,14 +394,14 @@ script(type="text/ng-template", id="trackChangesUpgradeModalTemplate")
 			data-dismiss="modal"
 			ng-click="cancel()"
 		) ×
-		h3 Upgrade to Track Changes
+		h3 #{translate("upgrade_to_track_changes")}
 	.modal-body
 		.teaser-video-container
 			video.teaser-video(autoplay, loop)
 				source(src="/img/teasers/track-changes/teaser-track-changes.mp4", type="video/mp4")
 				img(src="/img/teasers/track-changes/teaser-track-changes.gif")
 		
-		h4.teaser-title See changes in your documents, live
+		h4.teaser-title #{translate("see_changes_in_your_documents_live")}
 	
 		p.small(ng-show="startedFreeTrial")
 			| #{translate("refresh_page_after_starting_free_trial")}
@@ -404,15 +411,15 @@ script(type="text/ng-template", id="trackChangesUpgradeModalTemplate")
 				ul.list-unstyled
 					li
 						i.fa.fa-check  
-						| Track any change, in real-time
+						| #{translate("track_any_change_in_real_time")}
 					
 					li
 						i.fa.fa-check  
-						| Review your peers' work
+						| #{translate("review_your_peers_work")}
 
 					li
 						i.fa.fa-check  
-						| Accept or reject each change individually
+						| #{translate("accept_or_reject_each_changes_individually")}
 					
 
 		.row.text-center(ng-controller="FreeTrialModalController")
@@ -420,8 +427,8 @@ script(type="text/ng-template", id="trackChangesUpgradeModalTemplate")
 				href
 				ng-click="startFreeTrial('real-time-track-changes')"
 				ng-show="project.owner._id == user.id"
-			) Try it for free
-			p(ng-show="project.owner._id != user.id"): strong Please ask the project owner to upgrade to use track changes
+			) #{translate("try_it_for_free")}
+			p(ng-show="project.owner._id != user.id"): strong #{translate("please_ask_the_project_owner_to_upgrade_to_track_changes")}
 
 	.modal-footer()
 		button.btn.btn-default(

services/web/public/coffee/ide/editor/directives/aceEditor.coffee

@@ -184,6 +184,28 @@ define [
 							session = editor.getSession()
 							session.setScrollTop(session.getScrollTop() + newScreenPosition - previousScreenPosition)
 
+				scope.$on "#{scope.name}:set-scroll-size", (e, size) ->
+					# Make sure that the editor has enough scroll margin above and below
+					# to scroll the review panel with the given size
+					marginTop = size.overflowTop
+					maxHeight = editor.renderer.layerConfig.maxHeight
+					marginBottom = Math.max(size.height - maxHeight, 0)
+					setScrollMargins(marginTop, marginBottom)
+
+				setScrollMargins = (marginTop, marginBottom) ->
+					marginChanged = false
+					if editor.renderer.scrollMargin.top != marginTop
+						editor.renderer.scrollMargin.top = marginTop
+						marginChanged = true
+					if editor.renderer.scrollMargin.bottom != marginBottom
+						editor.renderer.scrollMargin.bottom = marginBottom
+						marginChanged = true
+					if marginChanged
+						editor.renderer.updateFull()
+
+				resetScrollMargins = () ->
+					setScrollMargins(0,0)
+
 				scope.$watch "theme", (value) ->
 					editor.setTheme("ace/theme/#{value}")
 
@@ -308,6 +330,8 @@ define [
 					sharejs_doc.attachToAce(editor)
 					editor.initing = false
 
+					resetScrollMargins()
+
 					# need to set annotations after attaching because attaching
 					# deletes and then inserts document content
 					session.setAnnotations scope.annotations

services/web/public/coffee/ide/editor/directives/aceEditor/track-changes/TrackChangesManager.coffee

@@ -60,6 +60,18 @@ define [
 			onChangeSession = (e) =>
 				@clearAnnotations()
 				@redrawAnnotations()
+				@editor.session.on "changeScrollTop", onChangeScroll
+
+			_scrollTimeout = null
+			onChangeScroll = () =>
+				if _scrollTimeout?
+					return
+				else
+					_scrollTimeout = setTimeout () =>
+						@recalculateVisibleEntries()
+						@$scope.$apply()
+						_scrollTimeout = null
+					, 200
 
 			bindToAce = () =>
 				@editor.on "changeSelection", onChangeSelection
@@ -282,6 +294,7 @@ define [
 		recalculateReviewEntriesScreenPositions: () ->
 			session = @editor.getSession()
 			renderer = @editor.renderer
+			{firstRow, lastRow} = renderer.layerConfig
 			entries = @_getCurrentDocEntries()
 			for entry_id, entry of entries or {}
 				doc_position = @_shareJsOffsetToAcePosition(entry.offset)
@@ -290,9 +303,24 @@ define [
 				entry.screenPos ?= {}
 				entry.screenPos.y = y
 				entry.docPos = doc_position
-
+			@recalculateVisibleEntries()
 			@$scope.$apply()
-	
+
+		recalculateVisibleEntries: () ->
+			OFFSCREEN_ROWS = 20
+			CULL_AFTER = 100 # With less than this number of entries, don't bother culling to avoid little UI jumps when scrolling.
+			{firstRow, lastRow} = @editor.renderer.layerConfig
+			entries = @_getCurrentDocEntries() or {}
+			entriesLength = Object.keys(entries).length
+			changed = false
+			for entry_id, entry of entries
+				old = entry.visible
+				entry.visible = (entriesLength < CULL_AFTER) or (firstRow - OFFSCREEN_ROWS <= entry.docPos.row <= lastRow + OFFSCREEN_ROWS)
+				if (entry.visible != old)
+					changed = true
+			if changed
+				@$scope.$emit "editor:track-changes:visibility_changed"
+
 		_getCurrentDocEntries: () ->
 			doc_id = @$scope.docId
 			entries = @$scope.reviewPanel.entries[doc_id] ?= {}

services/web/public/coffee/ide/review-panel/ReviewPanelManager.coffee

@@ -8,6 +8,8 @@ define [
 	"ide/review-panel/directives/addCommentEntry"
 	"ide/review-panel/directives/resolvedCommentEntry"
 	"ide/review-panel/directives/resolvedCommentsDropdown"
+	"ide/review-panel/directives/reviewPanelCollapseHeight"
 	"ide/review-panel/filters/notEmpty"
+	"ide/review-panel/filters/numKeys"
 	"ide/review-panel/filters/orderOverviewEntries"
 ], () ->

services/web/public/coffee/ide/review-panel/controllers/ReviewPanelController.coffee

@@ -4,7 +4,7 @@ define [
 	"ide/colors/ColorManager"
 	"ide/review-panel/RangesTracker"
 ], (App, EventEmitter, ColorManager, RangesTracker) ->
-	App.controller "ReviewPanelController", ($scope, $element, ide, $timeout, $http, $modal, event_tracking) ->
+	App.controller "ReviewPanelController", ($scope, $element, ide, $timeout, $http, $modal, event_tracking, localStorage) ->
 		$reviewPanelEl = $element.find "#review-panel"
 
 		$scope.SubViews =
@@ -19,6 +19,7 @@ define [
 			openSubView: $scope.SubViews.CUR_FILE
 			overview:
 				loading: false
+				docsCollapsedState: JSON.parse(localStorage("docs_collapsed_state:#{$scope.project_id}")) or {}
 			dropdown:
 				loading: false
 			commentThreads: {}
@@ -27,6 +28,14 @@ define [
 			rendererData: {}
 			loadingThreads: false
 
+		window.addEventListener "beforeunload", () ->
+			collapsedStates = {}
+			for doc, state of $scope.reviewPanel.overview.docsCollapsedState
+				if state
+					collapsedStates[doc] = state 
+			valToStore = if Object.keys(collapsedStates).length > 0 then JSON.stringify(collapsedStates) else null
+			localStorage("docs_collapsed_state:#{$scope.project_id}", valToStore)
+
 		$scope.$on "layout:pdf:linked", (event, state) ->
 			$scope.reviewPanel.layoutToLeft = (state.east?.size < 220 || state.east?.initClosed)
 			$scope.$broadcast "review-panel:layout"
@@ -39,6 +48,9 @@ define [
 			$timeout () ->
 				$scope.$broadcast "review-panel:layout"
 
+		$scope.$on "review-panel:sizes", (e, sizes) ->
+			$scope.$broadcast "editor:set-scroll-size", sizes
+
 		$scope.$watch "ui.pdfLayout", (layout) ->
 			$scope.reviewPanel.layoutToLeft = (layout == "flat")
 		
@@ -171,6 +183,8 @@ define [
 			$http.get "/project/#{$scope.project_id}/ranges"
 				.success (docs) ->
 					for doc in docs
+						if !$scope.reviewPanel.overview.docsCollapsedState[doc.id]?
+							$scope.reviewPanel.overview.docsCollapsedState[doc.id] = false
 						if doc.id != $scope.editor.open_doc_id # this is kept up to date in real-time, don't overwrite
 							rangesTracker = getChangeTracker(doc.id)
 							rangesTracker.comments = doc.ranges?.comments or []
@@ -263,7 +277,11 @@ define [
 			updateEntries(doc_id)
 			$scope.$broadcast "review-panel:recalculate-screen-positions"
 			$scope.$broadcast "review-panel:layout"
-		
+
+		$scope.$on "editor:track-changes:visibility_changed", () ->
+			$timeout () ->
+				$scope.$broadcast "review-panel:layout", false
+
 		$scope.$on "editor:focus:changed", (e, selection_offset_start, selection_offset_end, selection) ->
 			doc_id = $scope.editor.open_doc_id
 			entries = getDocEntries(doc_id)

services/web/public/coffee/ide/review-panel/directives/reviewPanelCollapseHeight.coffee

@@ -0,0 +1,18 @@
+define [
+	"base"
+], (App) ->
+	App.directive "reviewPanelCollapseHeight", ($parse) ->
+		return {
+			restrict: "A",
+			link: (scope, element, attrs) ->
+				scope.$watch (() -> $parse(attrs.reviewPanelCollapseHeight)(scope)), (shouldCollapse) ->
+					neededHeight = element.prop("scrollHeight")
+					if neededHeight > 0
+						if shouldCollapse
+							element.animate { height: 0 }, 150
+						else
+							element.animate { height: neededHeight }, 150
+					else
+						if shouldCollapse
+							element.height 0
+		}

services/web/public/coffee/ide/review-panel/directives/reviewPanelSorted.coffee

@@ -15,9 +15,11 @@ define [
 					if scope.ui.reviewPanelOpen
 						PADDING = 8
 						TOOLBAR_HEIGHT = 38
+						OVERVIEW_TOGGLE_HEIGHT = 57
 					else
 						PADDING = 4
 						TOOLBAR_HEIGHT = 4
+						OVERVIEW_TOGGLE_HEIGHT = 0
 					
 					entries = []
 					for el in element.find(".rp-entry-wrapper")
@@ -31,6 +33,7 @@ define [
 							entry.$layout_el = entry.$box_el
 						else
 							entry.$layout_el = entry.$indicator_el
+						entry.height = entry.$layout_el.height() # Do all of our DOM reads first for perfomance, see http://wilsonpage.co.uk/preventing-layout-thrashing/
 						entries.push entry
 					entries.sort (a,b) -> a.scope.entry.offset - b.scope.entry.offset
 					
@@ -50,19 +53,6 @@ define [
 					
 					sl_console.log "focused_entry_index", focused_entry_index
 
-					# As we go backwards, we run the risk of pushing things off the top of the editor.
-					# If we go through the entries before and assume they are as pushed together as they
-					# could be, we can work out the 'ceiling' that each one can't go through. I.e. the first
-					# on can't go beyond the toolbar height, the next one can't go beyond the bottom of the first
-					# one at this minimum height, etc.
-					heights = (entry.$layout_el.height() for entry in entries_before)
-					previousMinTop = TOOLBAR_HEIGHT
-					min_tops = []
-					for height in heights
-						min_tops.push previousMinTop
-						previousMinTop += PADDING + height
-					min_tops.reverse()
-
 					positionLayoutEl = ($callout_el, original_top, top) ->
 						if original_top <= top
 							$callout_el.removeClass("rp-entry-callout-inverted")
@@ -72,7 +62,7 @@ define [
 							$callout_el.css(top: top + line_height, height: original_top - top)
 
 					# Put the focused entry as close to where it wants to be as possible
-					focused_entry_top = Math.max(previousMinTop, focused_entry.scope.entry.screenPos.y)
+					focused_entry_top = Math.max(focused_entry.scope.entry.screenPos.y, TOOLBAR_HEIGHT)
 					focused_entry.$box_el.css(top: focused_entry_top)
 					focused_entry.$indicator_el.css(top: focused_entry_top)
 					positionLayoutEl(focused_entry.$callout_el, focused_entry.scope.entry.screenPos.y, focused_entry_top)
@@ -80,27 +70,39 @@ define [
 					previousBottom = focused_entry_top + focused_entry.$layout_el.height()
 					for entry in entries_after
 						original_top = entry.scope.entry.screenPos.y
-						height = entry.$layout_el.height()
+						height = entry.height
 						top = Math.max(original_top, previousBottom + PADDING)
 						previousBottom = top + height
 						entry.$box_el.css(top: top)
 						entry.$indicator_el.css(top: top)
 						positionLayoutEl(entry.$callout_el, original_top, top)
 						sl_console.log "ENTRY", {entry: entry.scope.entry, top}
+					
+					lastBottom = previousBottom
 
 					previousTop = focused_entry_top
 					entries_before.reverse() # Work through backwards, starting with the one just above
 					for entry, i in entries_before
 						original_top = entry.scope.entry.screenPos.y
-						height = entry.$layout_el.height()
+						height = entry.height
 						original_bottom = original_top + height
 						bottom = Math.min(original_bottom, previousTop - PADDING)
-						top = Math.max(bottom - height, min_tops[i])
+						top = bottom - height
 						previousTop = top
 						entry.$box_el.css(top: top)
 						entry.$indicator_el.css(top: top)
 						positionLayoutEl(entry.$callout_el, original_top, top)
 						sl_console.log "ENTRY", {entry: entry.scope.entry, top}
+
+					lastTop = top
+					if lastTop < TOOLBAR_HEIGHT
+						overflowTop = -lastTop + TOOLBAR_HEIGHT
+					else
+						overflowTop = 0
+					scope.$emit "review-panel:sizes", {
+						overflowTop: overflowTop,
+						height: previousBottom + OVERVIEW_TOGGLE_HEIGHT
+					}
 				
 				scope.$applyAsync () ->
 					layout()

services/web/public/coffee/ide/review-panel/filters/numKeys.coffee

@@ -0,0 +1,9 @@
+define [
+	"base"
+], (App) ->
+	app.filter "numKeys", () ->
+		(object) -> 
+			if object?
+				return Object.keys(object).length
+			else
+				return 0

services/web/public/stylesheets/app/editor/review-panel.less

@@ -29,6 +29,8 @@
 
 @rp-toolbar-height      : 32px;
 
+@rp-entry-animation-speed: 0.3s;
+
 
 
 .rp-button() {
@@ -49,11 +51,11 @@
 	}
 
 	&[disabled] {
-		opacity: 0.5;
+		background-color: tint(@rp-highlight-blue, 50%);
 
 		&:hover,
 		&:focus {
-			background-color: @rp-highlight-blue;
+			background-color: tint(@rp-highlight-blue, 50%);
 		}
 	}
 }
@@ -158,6 +160,7 @@
 		position: absolute;
 		top: 0;
 		bottom: 0;
+		padding-bottom: 52px;
 	}
 	
 	.rp-state-overview & {
@@ -183,7 +186,7 @@
 	border-radius: 3px;
 	color: #FFF;
 	cursor: pointer;
-	transition: top 0.3s, left 0.1s, right 0.1s;
+	transition: top @rp-entry-animation-speed, left 0.1s, right 0.1s;
 	.no-animate & {
 		transition: none;
 	}
@@ -279,7 +282,7 @@
 	border-left: solid @rp-entry-ribbon-width transparent;
 	border-radius: 3px;
 	background-color: #FFF;
-	transition: top 0.3s, left 0.1s, right 0.1s;
+	transition: top @rp-entry-animation-speed, left 0.1s, right 0.1s;
 	.no-animate & {
 		transition: none;
 	}
@@ -461,6 +464,7 @@
 		margin-top: 3px;
 		overflow-x: hidden;
 		min-height: 3em;
+		max-height: 400px;
 	}
 
 .rp-icon-delete {
@@ -496,6 +500,7 @@
 		}
 
 .rp-entry-callout {
+	transition: top @rp-entry-animation-speed, height @rp-entry-animation-speed;
 	.rp-state-current-file & {
 		position: absolute;
 		border-top: 1px solid grey;
@@ -567,8 +572,28 @@
 	margin-top: 10px;
 	font-weight: @rp-semibold-weight;
 	text-align: center;
+	cursor: pointer;
 }
 
+	.rp-overview-file-num-entries {
+		font-weight: normal;
+		font-size: 0.9em;
+	}
+	.rp-overview-file-header-collapse {
+		display: inline-block;
+		float: left;
+		transform: rotateZ(0deg);
+		transition: transform 0.15s ease
+	}
+	
+	.rp-overview-file-header-collapse-on {
+		transform: rotateZ(-90deg);
+	}
+
+	.rp-overview-file-entries {
+		overflow: hidden;
+	}
+
 .rp-comment-wrapper {
 	transition: .35s opacity ease-out .2s;
 
@@ -762,6 +787,10 @@
 	.toolbar .btn-full-height:active & {
 		background-position-y: -60px;
 	}
+	
+	@media (min-device-pixel-ratio: 1.5), (min-resolution: 144dpi) {
+		background-image: url('/img/review-icon-sprite@2x.png');
+	}
 }
 
 .resolved-comments-toggle {