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Convert DecorationManager to JS
This commit is contained in:
Nathan Sobo
committed by
Antonio Scandurra
Antonio Scandurra
parent
94294d1b92
commit
30cd83f7aa
@@ -14,8 +14,7 @@ describe "DecorationManager", ->
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atom.packages.activatePackage('language-javascript')
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afterEach ->
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decorationManager.destroy()
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buffer.release()
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buffer.destroy()
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describe "decorations", ->
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[layer1Marker, layer2Marker, layer1MarkerDecoration, layer2MarkerDecoration, decorationProperties] = []
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@@ -1,191 +0,0 @@
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{Emitter} = require 'event-kit'
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Model = require './model'
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Decoration = require './decoration'
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LayerDecoration = require './layer-decoration'
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module.exports =
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class DecorationManager extends Model
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didUpdateDecorationsEventScheduled: false
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updatedSynchronously: false
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constructor: (@displayLayer) ->
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super
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@emitter = new Emitter
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@decorationsById = {}
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@decorationsByMarkerId = {}
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@overlayDecorationsById = {}
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@layerDecorationsByMarkerLayerId = {}
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@decorationCountsByLayerId = {}
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@layerUpdateDisposablesByLayerId = {}
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observeDecorations: (callback) ->
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callback(decoration) for decoration in @getDecorations()
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@onDidAddDecoration(callback)
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onDidAddDecoration: (callback) ->
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@emitter.on 'did-add-decoration', callback
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onDidRemoveDecoration: (callback) ->
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@emitter.on 'did-remove-decoration', callback
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onDidUpdateDecorations: (callback) ->
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@emitter.on 'did-update-decorations', callback
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setUpdatedSynchronously: (@updatedSynchronously) ->
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decorationForId: (id) ->
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@decorationsById[id]
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getDecorations: (propertyFilter) ->
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allDecorations = []
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for markerId, decorations of @decorationsByMarkerId
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allDecorations.push(decorations...) if decorations?
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if propertyFilter?
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allDecorations = allDecorations.filter (decoration) ->
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for key, value of propertyFilter
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return false unless decoration.properties[key] is value
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true
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allDecorations
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getLineDecorations: (propertyFilter) ->
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@getDecorations(propertyFilter).filter (decoration) -> decoration.isType('line')
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getLineNumberDecorations: (propertyFilter) ->
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@getDecorations(propertyFilter).filter (decoration) -> decoration.isType('line-number')
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getHighlightDecorations: (propertyFilter) ->
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@getDecorations(propertyFilter).filter (decoration) -> decoration.isType('highlight')
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getOverlayDecorations: (propertyFilter) ->
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result = []
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for id, decoration of @overlayDecorationsById
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result.push(decoration)
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if propertyFilter?
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result.filter (decoration) ->
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for key, value of propertyFilter
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return false unless decoration.properties[key] is value
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true
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else
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result
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decorationsForScreenRowRange: (startScreenRow, endScreenRow) ->
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decorationsByMarkerId = {}
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for layerId of @decorationCountsByLayerId
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layer = @displayLayer.getMarkerLayer(layerId)
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for marker in layer.findMarkers(intersectsScreenRowRange: [startScreenRow, endScreenRow])
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if decorations = @decorationsByMarkerId[marker.id]
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decorationsByMarkerId[marker.id] = decorations
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decorationsByMarkerId
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decorationsStateForScreenRowRange: (startScreenRow, endScreenRow) ->
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decorationsState = {}
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for layerId of @decorationCountsByLayerId
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layer = @displayLayer.getMarkerLayer(layerId)
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for marker in layer.findMarkers(intersectsScreenRowRange: [startScreenRow, endScreenRow]) when marker.isValid()
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screenRange = marker.getScreenRange()
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bufferRange = marker.getBufferRange()
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rangeIsReversed = marker.isReversed()
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if decorations = @decorationsByMarkerId[marker.id]
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for decoration in decorations
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decorationsState[decoration.id] = {
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properties: decoration.properties
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screenRange, bufferRange, rangeIsReversed
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}
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if layerDecorations = @layerDecorationsByMarkerLayerId[layerId]
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for layerDecoration in layerDecorations
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decorationsState["#{layerDecoration.id}-#{marker.id}"] = {
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properties: layerDecoration.overridePropertiesByMarkerId[marker.id] ? layerDecoration.properties
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screenRange, bufferRange, rangeIsReversed
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}
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decorationsState
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decorateMarker: (marker, decorationParams) ->
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if marker.isDestroyed()
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error = new Error("Cannot decorate a destroyed marker")
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error.metadata = {markerLayerIsDestroyed: marker.layer.isDestroyed()}
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if marker.destroyStackTrace?
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error.metadata.destroyStackTrace = marker.destroyStackTrace
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if marker.bufferMarker?.destroyStackTrace?
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error.metadata.destroyStackTrace = marker.bufferMarker?.destroyStackTrace
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throw error
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marker = @displayLayer.getMarkerLayer(marker.layer.id).getMarker(marker.id)
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decoration = new Decoration(marker, this, decorationParams)
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@decorationsByMarkerId[marker.id] ?= []
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@decorationsByMarkerId[marker.id].push(decoration)
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@overlayDecorationsById[decoration.id] = decoration if decoration.isType('overlay')
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@decorationsById[decoration.id] = decoration
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@observeDecoratedLayer(marker.layer)
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@scheduleUpdateDecorationsEvent()
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@emitter.emit 'did-add-decoration', decoration
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decoration
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decorateMarkerLayer: (markerLayer, decorationParams) ->
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throw new Error("Cannot decorate a destroyed marker layer") if markerLayer.isDestroyed()
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decoration = new LayerDecoration(markerLayer, this, decorationParams)
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@layerDecorationsByMarkerLayerId[markerLayer.id] ?= []
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@layerDecorationsByMarkerLayerId[markerLayer.id].push(decoration)
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@observeDecoratedLayer(markerLayer)
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@scheduleUpdateDecorationsEvent()
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decoration
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decorationsForMarkerId: (markerId) ->
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@decorationsByMarkerId[markerId]
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scheduleUpdateDecorationsEvent: ->
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if @updatedSynchronously
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@emitter.emit 'did-update-decorations'
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return
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unless @didUpdateDecorationsEventScheduled
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@didUpdateDecorationsEventScheduled = true
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process.nextTick =>
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@didUpdateDecorationsEventScheduled = false
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@emitter.emit 'did-update-decorations'
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decorationDidChangeType: (decoration) ->
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if decoration.isType('overlay')
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@overlayDecorationsById[decoration.id] = decoration
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else
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delete @overlayDecorationsById[decoration.id]
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didDestroyMarkerDecoration: (decoration) ->
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{marker} = decoration
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return unless decorations = @decorationsByMarkerId[marker.id]
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index = decorations.indexOf(decoration)
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if index > -1
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decorations.splice(index, 1)
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delete @decorationsById[decoration.id]
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@emitter.emit 'did-remove-decoration', decoration
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delete @decorationsByMarkerId[marker.id] if decorations.length is 0
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delete @overlayDecorationsById[decoration.id]
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@unobserveDecoratedLayer(marker.layer)
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@scheduleUpdateDecorationsEvent()
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didDestroyLayerDecoration: (decoration) ->
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{markerLayer} = decoration
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return unless decorations = @layerDecorationsByMarkerLayerId[markerLayer.id]
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index = decorations.indexOf(decoration)
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if index > -1
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decorations.splice(index, 1)
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delete @layerDecorationsByMarkerLayerId[markerLayer.id] if decorations.length is 0
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@unobserveDecoratedLayer(markerLayer)
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@scheduleUpdateDecorationsEvent()
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observeDecoratedLayer: (layer) ->
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@decorationCountsByLayerId[layer.id] ?= 0
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if ++@decorationCountsByLayerId[layer.id] is 1
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@layerUpdateDisposablesByLayerId[layer.id] = layer.onDidUpdate(@scheduleUpdateDecorationsEvent.bind(this))
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unobserveDecoratedLayer: (layer) ->
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if --@decorationCountsByLayerId[layer.id] is 0
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@layerUpdateDisposablesByLayerId[layer.id].dispose()
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delete @decorationCountsByLayerId[layer.id]
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delete @layerUpdateDisposablesByLayerId[layer.id]
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272
src/decoration-manager.js
Normal file
272
src/decoration-manager.js
Normal file
@@ -0,0 +1,272 @@
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const {Emitter} = require('event-kit')
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const Decoration = require('./decoration')
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const LayerDecoration = require('./layer-decoration')
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module.exports =
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class DecorationManager {
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constructor(displayLayer) {
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this.displayLayer = displayLayer
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this.emitter = new Emitter
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this.didUpdateDecorationsEventScheduled = false
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this.updatedSynchronously = false
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this.decorationsById = {}
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this.decorationsByMarkerId = {}
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this.overlayDecorationsById = {}
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this.layerDecorationsByMarkerLayerId = {}
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this.decorationCountsByLayerId = {}
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this.layerUpdateDisposablesByLayerId = {}
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}
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observeDecorations(callback) {
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for (let decoration of this.getDecorations()) { callback(decoration); }
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return this.onDidAddDecoration(callback)
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}
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onDidAddDecoration(callback) {
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return this.emitter.on('did-add-decoration', callback)
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}
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onDidRemoveDecoration(callback) {
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return this.emitter.on('did-remove-decoration', callback)
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}
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onDidUpdateDecorations(callback) {
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return this.emitter.on('did-update-decorations', callback)
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}
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setUpdatedSynchronously(updatedSynchronously) {
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this.updatedSynchronously = updatedSynchronously
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}
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decorationForId(id) {
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return this.decorationsById[id]
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}
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getDecorations(propertyFilter) {
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let allDecorations = []
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for (let markerId in this.decorationsByMarkerId) {
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const decorations = this.decorationsByMarkerId[markerId]
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if (decorations != null) {
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allDecorations.push(...decorations)
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}
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}
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if (propertyFilter != null) {
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allDecorations = allDecorations.filter(function(decoration) {
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for (let key in propertyFilter) {
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const value = propertyFilter[key]
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if (decoration.properties[key] !== value) return false
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}
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return true
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})
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}
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return allDecorations
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}
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getLineDecorations(propertyFilter) {
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return this.getDecorations(propertyFilter).filter(decoration => decoration.isType('line'))
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}
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getLineNumberDecorations(propertyFilter) {
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return this.getDecorations(propertyFilter).filter(decoration => decoration.isType('line-number'))
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}
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getHighlightDecorations(propertyFilter) {
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return this.getDecorations(propertyFilter).filter(decoration => decoration.isType('highlight'))
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}
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getOverlayDecorations(propertyFilter) {
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const result = []
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for (let id in this.overlayDecorationsById) {
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const decoration = this.overlayDecorationsById[id]
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result.push(decoration)
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}
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if (propertyFilter != null) {
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return result.filter(function(decoration) {
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for (let key in propertyFilter) {
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const value = propertyFilter[key]
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if (decoration.properties[key] !== value) {
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return false
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}
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}
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return true
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})
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} else {
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return result
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}
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}
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decorationsForScreenRowRange(startScreenRow, endScreenRow) {
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const decorationsByMarkerId = {}
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for (let layerId in this.decorationCountsByLayerId) {
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const layer = this.displayLayer.getMarkerLayer(layerId)
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for (let marker of layer.findMarkers({intersectsScreenRowRange: [startScreenRow, endScreenRow]})) {
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const decorations = this.decorationsByMarkerId[marker.id]
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if (decorations) {
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decorationsByMarkerId[marker.id] = decorations
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}
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}
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}
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return decorationsByMarkerId
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}
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decorationsStateForScreenRowRange(startScreenRow, endScreenRow) {
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const decorationsState = {}
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for (let layerId in this.decorationCountsByLayerId) {
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const layer = this.displayLayer.getMarkerLayer(layerId)
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for (let marker of layer.findMarkers({intersectsScreenRowRange: [startScreenRow, endScreenRow]})) {
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if (marker.isValid()) {
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const screenRange = marker.getScreenRange()
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const bufferRange = marker.getBufferRange()
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const rangeIsReversed = marker.isReversed()
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const decorations = this.decorationsByMarkerId[marker.id]
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if (decorations) {
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for (let decoration of decorations) {
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decorationsState[decoration.id] = {
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properties: decoration.properties,
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screenRange, bufferRange, rangeIsReversed
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}
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}
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}
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const layerDecorations = this.layerDecorationsByMarkerLayerId[layerId]
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if (layerDecorations) {
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for (let layerDecoration of layerDecorations) {
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decorationsState[`${layerDecoration.id}-${marker.id}`] = {
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properties: layerDecoration.overridePropertiesByMarkerId[marker.id] != null ? layerDecoration.overridePropertiesByMarkerId[marker.id] : layerDecoration.properties,
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screenRange, bufferRange, rangeIsReversed
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}
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}
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}
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}
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}
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}
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return decorationsState
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}
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decorateMarker(marker, decorationParams) {
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if (marker.isDestroyed()) {
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const error = new Error("Cannot decorate a destroyed marker")
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error.metadata = {markerLayerIsDestroyed: marker.layer.isDestroyed()}
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if (marker.destroyStackTrace != null) {
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error.metadata.destroyStackTrace = marker.destroyStackTrace
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}
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if (marker.bufferMarker != null && marker.bufferMarker.destroyStackTrace != null) {
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error.metadata.destroyStackTrace = marker.bufferMarker.destroyStackTrace
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}
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throw error
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}
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marker = this.displayLayer.getMarkerLayer(marker.layer.id).getMarker(marker.id)
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const decoration = new Decoration(marker, this, decorationParams)
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if (this.decorationsByMarkerId[marker.id] == null) {
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this.decorationsByMarkerId[marker.id] = []
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}
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this.decorationsByMarkerId[marker.id].push(decoration)
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if (decoration.isType('overlay')) {
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this.overlayDecorationsById[decoration.id] = decoration
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}
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this.decorationsById[decoration.id] = decoration
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this.observeDecoratedLayer(marker.layer)
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this.scheduleUpdateDecorationsEvent()
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this.emitter.emit('did-add-decoration', decoration)
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return decoration
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}
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decorateMarkerLayer(markerLayer, decorationParams) {
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if (markerLayer.isDestroyed()) {
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throw new Error("Cannot decorate a destroyed marker layer")
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}
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const decoration = new LayerDecoration(markerLayer, this, decorationParams)
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if (this.layerDecorationsByMarkerLayerId[markerLayer.id] == null) {
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this.layerDecorationsByMarkerLayerId[markerLayer.id] = []
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}
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this.layerDecorationsByMarkerLayerId[markerLayer.id].push(decoration)
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this.observeDecoratedLayer(markerLayer)
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this.scheduleUpdateDecorationsEvent()
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return decoration
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}
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decorationsForMarkerId(markerId) {
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return this.decorationsByMarkerId[markerId]
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}
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scheduleUpdateDecorationsEvent() {
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if (this.updatedSynchronously) {
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this.emitter.emit('did-update-decorations')
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return
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}
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if (!this.didUpdateDecorationsEventScheduled) {
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this.didUpdateDecorationsEventScheduled = true
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return process.nextTick(() => {
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this.didUpdateDecorationsEventScheduled = false
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return this.emitter.emit('did-update-decorations')
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}
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)
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}
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}
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decorationDidChangeType(decoration) {
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if (decoration.isType('overlay')) {
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return this.overlayDecorationsById[decoration.id] = decoration
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} else {
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return delete this.overlayDecorationsById[decoration.id]
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}
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}
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didDestroyMarkerDecoration(decoration) {
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let decorations
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const {marker} = decoration
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if (!(decorations = this.decorationsByMarkerId[marker.id])) return
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const index = decorations.indexOf(decoration)
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if (index > -1) {
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decorations.splice(index, 1)
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delete this.decorationsById[decoration.id]
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this.emitter.emit('did-remove-decoration', decoration)
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if (decorations.length === 0) {
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delete this.decorationsByMarkerId[marker.id]
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}
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delete this.overlayDecorationsById[decoration.id]
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this.unobserveDecoratedLayer(marker.layer)
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}
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return this.scheduleUpdateDecorationsEvent()
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}
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didDestroyLayerDecoration(decoration) {
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let decorations
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const {markerLayer} = decoration
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if (!(decorations = this.layerDecorationsByMarkerLayerId[markerLayer.id])) return
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const index = decorations.indexOf(decoration)
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if (index > -1) {
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decorations.splice(index, 1)
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if (decorations.length === 0) {
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delete this.layerDecorationsByMarkerLayerId[markerLayer.id]
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}
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this.unobserveDecoratedLayer(markerLayer)
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}
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return this.scheduleUpdateDecorationsEvent()
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}
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observeDecoratedLayer(layer) {
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if (this.decorationCountsByLayerId[layer.id] == null) {
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this.decorationCountsByLayerId[layer.id] = 0
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}
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if (++this.decorationCountsByLayerId[layer.id] === 1) {
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this.layerUpdateDisposablesByLayerId[layer.id] = layer.onDidUpdate(this.scheduleUpdateDecorationsEvent.bind(this))
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}
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}
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unobserveDecoratedLayer(layer) {
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if (--this.decorationCountsByLayerId[layer.id] === 0) {
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this.layerUpdateDisposablesByLayerId[layer.id].dispose()
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delete this.decorationCountsByLayerId[layer.id]
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delete this.layerUpdateDisposablesByLayerId[layer.id]
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}
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}
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}
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Reference in New Issue
Block a user