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import type { Bookmark } from "@/timeline";
import type { FrameRate } from "opencut-wasm";
import { addMediaTime, roundFrameTime, type MediaTime } from "@/wasm";
function bookmarkTimeEqual({
bookmarkTime,
frameTime,
}: {
bookmarkTime: MediaTime;
frameTime: MediaTime;
}): boolean {
return bookmarkTime === frameTime;
}
export function findBookmarkIndex({
bookmarks,
frameTime,
}: {
bookmarks: Bookmark[];
frameTime: MediaTime;
}): number {
return bookmarks.findIndex((bookmark) =>
bookmarkTimeEqual({ bookmarkTime: bookmark.time, frameTime }),
);
}
export function isBookmarkAtTime({
bookmarks,
frameTime,
}: {
bookmarks: Bookmark[];
frameTime: MediaTime;
}): boolean {
return bookmarks.some((bookmark) =>
bookmarkTimeEqual({ bookmarkTime: bookmark.time, frameTime }),
);
}
export function toggleBookmarkInArray({
bookmarks,
frameTime,
}: {
bookmarks: Bookmark[];
frameTime: MediaTime;
}): Bookmark[] {
const bookmarkIndex = findBookmarkIndex({ bookmarks, frameTime });
if (bookmarkIndex !== -1) {
return bookmarks.filter((_, index) => index !== bookmarkIndex);
}
const newBookmarks = [...bookmarks, { time: frameTime }];
return newBookmarks.slice().sort((a, b) => a.time - b.time);
}
export function removeBookmarkFromArray({
bookmarks,
frameTime,
}: {
bookmarks: Bookmark[];
frameTime: MediaTime;
}): Bookmark[] {
return bookmarks.filter(
(bookmark) =>
!bookmarkTimeEqual({ bookmarkTime: bookmark.time, frameTime }),
);
}
export function updateBookmarkInArray({
bookmarks,
frameTime,
updates,
}: {
bookmarks: Bookmark[];
frameTime: MediaTime;
updates: Partial<Omit<Bookmark, "time">>;
}): Bookmark[] {
const index = findBookmarkIndex({ bookmarks, frameTime });
if (index === -1) {
return bookmarks;
}
const updated = { ...bookmarks[index], ...updates };
const result = [...bookmarks];
result[index] = updated;
return result;
}
export function moveBookmarkInArray({
bookmarks,
fromTime,
toTime,
}: {
bookmarks: Bookmark[];
fromTime: MediaTime;
toTime: MediaTime;
}): Bookmark[] {
const index = findBookmarkIndex({ bookmarks, frameTime: fromTime });
if (index === -1) {
return bookmarks;
}
const updated = { ...bookmarks[index], time: toTime };
const result = [...bookmarks];
result[index] = updated;
return result.slice().sort((a, b) => a.time - b.time);
}
export function getFrameTime({
time,
fps,
}: {
time: MediaTime;
fps: FrameRate;
}): MediaTime {
return roundFrameTime({ time, fps });
}
export function getBookmarkAtTime({
bookmarks,
frameTime,
}: {
bookmarks: Bookmark[];
frameTime: MediaTime;
}): Bookmark | null {
const index = findBookmarkIndex({ bookmarks, frameTime });
return index === -1 ? null : bookmarks[index];
}
export function getBookmarksActiveAtTime({
bookmarks,
time,
}: {
bookmarks: Bookmark[];
time: MediaTime;
}): Bookmark[] {
return bookmarks.filter((bookmark) => {
const start = bookmark.time;
const end =
bookmark.duration != null && bookmark.duration > 0
? addMediaTime({ a: start, b: bookmark.duration })
: start;
return time >= start && time <= end;
});
}
|
