diff options
-rw-r--r-- | src/client/apis/recording/recordingApi.tsx | 151 | ||||
-rw-r--r-- | src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx | 3 |
2 files changed, 153 insertions, 1 deletions
diff --git a/src/client/apis/recording/recordingApi.tsx b/src/client/apis/recording/recordingApi.tsx new file mode 100644 index 000000000..55714f03b --- /dev/null +++ b/src/client/apis/recording/recordingApi.tsx @@ -0,0 +1,151 @@ +import { CollectionFreeFormView } from "../../views/collections/collectionFreeForm"; +import React, { useState } from "react"; + +export function RecordingApi() { + + type Movement = { + time: number, + panX: number, + panY: number, + } + + type Presentation = { + movements: Array<Movement> + meta: Object, + startDate: Date | null, + } + + const NULL_PRESENTATION = { + movements: [], + meta: {}, + startDate: null, + } + + const [currentPresentation, setCurrentPresenation] = useState<Presentation>(NULL_PRESENTATION) + const [isRecording, setIsRecording] = useState(false) + const [absoluteStart, setAbsoluteStart] = useState<number>(-1) + + const initAndStart = (view: CollectionFreeFormView, meta?: Object): Error | undefined => { + // check if already init a presentation + if (currentPresentation.startDate !== null) { + console.error('[recordingApi.ts] start() failed: current presentation data exists. please call clear() first.') + return new Error('[recordingApi.ts] start()') + } + + // (1a) get start date for presenation + const startDate = new Date() + // (1b) set start timestamp to absolute timestamp + setAbsoluteStart(startDate.getTime()) + + // TODO: (2) assign meta content + + // (3) assign init values to currentPresenation + setCurrentPresenation({ ...currentPresentation, startDate }) + + // (4) set isRecording true to allow trackMovements + setIsRecording(true) + } + + const clear = (): Error | undefined => { + // TODO: maybe archive the data? + if (isRecording) { + console.error('[recordingApi.ts] clear() failed: currently recording presentation. call pause() or finish() first') + return new Error('[recordingApi.ts] clear()') + } + // clear presenation data + setCurrentPresenation(NULL_PRESENTATION) + + // clear isRecording + setIsRecording(false) + + // clear absoluteStart + setAbsoluteStart(-1) + } + + const pause = (): Error | undefined => { + if (currentPresentation.startDate === null) { + console.error('[recordingApi.ts] pause() failed: no presentation started. try calling init() first') + return new Error('[recordingApi.ts] pause(): no presenation') + } + // don't allow track movments + setIsRecording(false) + + // set relativeStart to the pausedTimestamp + const timestamp = new Date().getTime() + setAbsoluteStart(timestamp) + } + + const resume = () => { + if (currentPresentation.startDate === null) { + console.error('[recordingApi.ts] resume() failed: no presentation started. try calling init() first') + return new Error('[recordingApi.ts] resume()') + } + + const timestamp = new Date().getTime() + const startTimestamp = currentPresentation.startDate?.getTime() + if (!startTimestamp) { + console.error('[recordingApi.ts] resume() failed: no presentation data. try calling init() first') + return new Error('[recordingApi.ts] pause()') + } + + setAbsoluteStart(prevTime => { + // const relativeUnpause = timestamp - absoluteStart + // const timePaused = relativeUnpause - prevTime + // return timePaused + absoluteStart + const absoluteTimePaused = timestamp - prevTime + return absoluteTimePaused + }) + } + + const finish = (): Error | Presentation => { + if (currentPresentation.movements === null) { + console.error('[recordingApi.ts] finish() failed: no presentation data. try calling init() first') + return new Error('[recordingApi.ts] finish()') + } + + // make copy and clear this class's data + const returnCopy = { ...currentPresentation } + clear() + + // return the copy + return returnCopy + } + + const trackMovements = (panX: number, panY: number): Error | undefined => { + // ensure we are recording + if (!isRecording) { + console.error('[recordingApi.ts] pause() failed: recording is paused()') + return new Error('[recordingApi.ts] pause()') + } + + // get the relative time + const timestamp = new Date().getTime() + const relativeTime = timestamp - absoluteStart + + // make new movement struct + const movement: Movement = { time: relativeTime, panX, panY } + + // add that movement struct to the current presentation data + setCurrentPresenation(prevPres => { + const movements = [...prevPres.movements, movement] + return {...prevPres, movements} + }) + } + + // TOOD: need to pause all intervals if possible lol + // TODO: extract this into different class with pause and resume recording + const followMovements = (presentation: Presentation, docView: CollectionFreeFormView): void => { + const document = docView.Document + + const { movements } = presentation + movements.forEach(movement => { + const { panX, panY, time } = movement + // set the pan to what was stored + setTimeout(() => { + document._panX = panX; + document._panY = panY; + }, time) + }) + } + +}
\ No newline at end of file diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx index 75855f5d9..1db90a65a 100644 --- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx +++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx @@ -118,7 +118,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection @observable _keyframeEditing = false; @observable ChildDrag: DocumentView | undefined; // child document view being dragged. needed to update drop areas of groups when a group item is dragged. - @observable storedMovements: object[] = []; // stores the movement if in presenting mode + @observable storedMovements: object[] = []; // stores the movement if in recoding mode @computed get views() { return this._layoutElements.filter(ele => ele.bounds && !ele.bounds.z).map(ele => ele.ele); } @computed get backgroundEvents() { return this.props.layerProvider?.(this.layoutDoc) === false && SnappingManager.GetIsDragging(); } @@ -959,6 +959,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection } } + followMovements = (): void => { // need the first for subtraction let first = null; |