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https://github.com/overleaf/overleaf.git
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57 lines
1.6 KiB
CoffeeScript
57 lines
1.6 KiB
CoffeeScript
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define [], () ->
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class OnlineUsersManager
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constructor: (@ide, @$scope) ->
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@$scope.onlineUsers = {}
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@$scope.onlineUserCursorAnnotations = {}
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@$scope.$watch "editor.cursorPosition", (position) =>
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console.log "CURSOR POSITION UPDATE", position
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if position?
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@sendCursorPositionUpdate()
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@ide.socket.on "clientTracking.clientUpdated", (client) =>
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console.log "REMOTE CURSOR POSITION UPDATE", client
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if client.id != @ide.socket.socket.sessionid # Check it's not me!
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@$scope.$apply () =>
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@$scope.onlineUsers[client.id] = client
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@updateCursorHighlights()
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@ide.socket.on "clientTracking.clientDisconnected", (client_id) =>
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@$scope.$apply () =>
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delete @$scope.onlineUsers[client_id]
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@updateCursorHighlights()
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updateCursorHighlights: () ->
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console.log "UPDATING CURSOR HIGHLIGHTS"
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@$scope.onlineUserCursorAnnotations = {}
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for client_id, client of @$scope.onlineUsers
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doc_id = client.doc_id
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@$scope.onlineUserCursorAnnotations[doc_id] ||= []
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@$scope.onlineUserCursorAnnotations[doc_id].push {
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text: client.name
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cursor:
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row: client.row
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column: client.column
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}
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UPDATE_INTERVAL: 500
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sendCursorPositionUpdate: () ->
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if !@cursorUpdateTimeout?
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console.log "CREATING DELAYED UPDATED"
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@cursorUpdateTimeout = setTimeout ()=>
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position = @$scope.editor.cursorPosition
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doc_id = @$scope.editor.open_doc_id
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@ide.socket.emit "clientTracking.updatePosition", {
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row: position.row
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column: position.column
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doc_id: doc_id
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}
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delete @cursorUpdateTimeout
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, @UPDATE_INTERVAL
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else
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console.log "NOT UPDATING"
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