From 1a8a1e889ab313e88fb0bbe6483c001ac751e2d8 Mon Sep 17 00:00:00 2001 From: Maze Winther Date: Fri, 3 Apr 2026 03:13:49 +0200 Subject: refactor: update command execute methods to return CommandResult | undefined --- .../element/retime/update-element-retime.ts | 229 +++++++++++---------- 1 file changed, 115 insertions(+), 114 deletions(-) (limited to 'apps/web/src/lib/commands/timeline/element/retime') diff --git a/apps/web/src/lib/commands/timeline/element/retime/update-element-retime.ts b/apps/web/src/lib/commands/timeline/element/retime/update-element-retime.ts index f0574ce7..474396a1 100644 --- a/apps/web/src/lib/commands/timeline/element/retime/update-element-retime.ts +++ b/apps/web/src/lib/commands/timeline/element/retime/update-element-retime.ts @@ -1,114 +1,115 @@ -import { EditorCore } from "@/core"; -import { clampRetimeRate } from "@/lib/retime/rate"; -import { clampAnimationsToDuration } from "@/lib/animation"; -import { Command } from "@/lib/commands/base-command"; -import { getTimelineDurationForSourceSpan, getSourceSpanAtClipTime } from "@/lib/retime"; -import { isRetimableElement, updateElementInTracks } from "@/lib/timeline"; -import type { RetimeConfig, TimelineTrack } from "@/lib/timeline"; - -function getSourceDuration({ - trimStart, - trimEnd, - duration, - sourceDuration, - retime, -}: { - trimStart: number; - trimEnd: number; - duration: number; - sourceDuration?: number; - retime?: RetimeConfig; -}): number { - if (typeof sourceDuration === "number") { - return sourceDuration; - } - - return ( - trimStart + - getSourceSpanAtClipTime({ - clipTime: duration, - retime, - }) + - trimEnd - ); -} - -export class UpdateElementRetimeCommand extends Command { - private savedState: TimelineTrack[] | null = null; - private readonly trackId: string; - private readonly elementId: string; - private readonly retime: RetimeConfig | undefined; - - constructor({ - trackId, - elementId, - retime, - }: { - trackId: string; - elementId: string; - retime?: RetimeConfig; - }) { - super(); - this.trackId = trackId; - this.elementId = elementId; - this.retime = retime; - } - - execute(): void { - const editor = EditorCore.getInstance(); - this.savedState = editor.timeline.getTracks(); - - const updatedTracks = updateElementInTracks({ - tracks: this.savedState, - trackId: this.trackId, - elementId: this.elementId, - elementPredicate: isRetimableElement, - update: (element) => { - if (!isRetimableElement(element)) { - return element; - } - - const nextRetime = this.retime - ? { - ...this.retime, - rate: clampRetimeRate({ rate: this.retime.rate }), - } - : undefined; - const sourceDuration = getSourceDuration({ - trimStart: element.trimStart, - trimEnd: element.trimEnd, - duration: element.duration, - sourceDuration: element.sourceDuration, - retime: element.retime, - }); - const visibleSourceSpan = Math.max( - 0, - sourceDuration - element.trimStart - element.trimEnd, - ); - const nextDuration = getTimelineDurationForSourceSpan({ - sourceSpan: visibleSourceSpan, - retime: nextRetime, - }); - - return { - ...element, - retime: nextRetime, - duration: nextDuration, - animations: clampAnimationsToDuration({ - animations: element.animations, - duration: nextDuration, - }), - }; - }, - }); - - editor.timeline.updateTracks(updatedTracks); - } - - undo(): void { - if (this.savedState) { - const editor = EditorCore.getInstance(); - editor.timeline.updateTracks(this.savedState); - } - } -} +import { EditorCore } from "@/core"; +import { clampRetimeRate } from "@/lib/retime/rate"; +import { clampAnimationsToDuration } from "@/lib/animation"; +import { Command, type CommandResult } from "@/lib/commands/base-command"; +import { getTimelineDurationForSourceSpan, getSourceSpanAtClipTime } from "@/lib/retime"; +import { isRetimableElement, updateElementInTracks } from "@/lib/timeline"; +import type { RetimeConfig, TimelineTrack } from "@/lib/timeline"; + +function getSourceDuration({ + trimStart, + trimEnd, + duration, + sourceDuration, + retime, +}: { + trimStart: number; + trimEnd: number; + duration: number; + sourceDuration?: number; + retime?: RetimeConfig; +}): number { + if (typeof sourceDuration === "number") { + return sourceDuration; + } + + return ( + trimStart + + getSourceSpanAtClipTime({ + clipTime: duration, + retime, + }) + + trimEnd + ); +} + +export class UpdateElementRetimeCommand extends Command { + private savedState: TimelineTrack[] | null = null; + private readonly trackId: string; + private readonly elementId: string; + private readonly retime: RetimeConfig | undefined; + + constructor({ + trackId, + elementId, + retime, + }: { + trackId: string; + elementId: string; + retime?: RetimeConfig; + }) { + super(); + this.trackId = trackId; + this.elementId = elementId; + this.retime = retime; + } + + execute(): CommandResult | undefined { + const editor = EditorCore.getInstance(); + this.savedState = editor.timeline.getTracks(); + + const updatedTracks = updateElementInTracks({ + tracks: this.savedState, + trackId: this.trackId, + elementId: this.elementId, + elementPredicate: isRetimableElement, + update: (element) => { + if (!isRetimableElement(element)) { + return element; + } + + const nextRetime = this.retime + ? { + ...this.retime, + rate: clampRetimeRate({ rate: this.retime.rate }), + } + : undefined; + const sourceDuration = getSourceDuration({ + trimStart: element.trimStart, + trimEnd: element.trimEnd, + duration: element.duration, + sourceDuration: element.sourceDuration, + retime: element.retime, + }); + const visibleSourceSpan = Math.max( + 0, + sourceDuration - element.trimStart - element.trimEnd, + ); + const nextDuration = getTimelineDurationForSourceSpan({ + sourceSpan: visibleSourceSpan, + retime: nextRetime, + }); + + return { + ...element, + retime: nextRetime, + duration: nextDuration, + animations: clampAnimationsToDuration({ + animations: element.animations, + duration: nextDuration, + }), + }; + }, + }); + + editor.timeline.updateTracks(updatedTracks); + return undefined; + } + + undo(): void { + if (this.savedState) { + const editor = EditorCore.getInstance(); + editor.timeline.updateTracks(this.savedState); + } + } +} -- cgit v1.3.1