// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import type {ExifEntry, ExifTag} from './exif_constants.js';
export interface ImageTransformation {
scaleX: number;
scaleY: number;
rotate90: number;
}
export type MetadataKey = keyof MetadataItem;
/**
* Metadata of a file.
*/
export class MetadataItem {
/**
* Size of the file. -1 for directory.
*/
size?: number;
modificationTime?: Date;
modificationTimeError?: Error;
modificationByMeTime?: Date;
/**
* Thumbnail URL obtained from external provider.
*/
thumbnailUrl?: string;
/**
* Cropped thumbnail URL obtained from external provider.
*/
croppedThumbnailUrl?: string;
croppedThumbnailUrlError?: Error;
thumbnailUrlError?: Error;
imageWidth?: number;
imageHeight?: number;
imageRotation?: number;
/**
* Thumbnail obtained from content provider.
*/
contentThumbnailUrl?: string;
contentThumbnailUrlError?: Error;
/**
* Thumbnail transformation obtained from content provider.
*/
contentThumbnailTransform?: ImageTransformation;
contentThumbnailTransformError?: Error;
/**
* Image transformation obtained from content provider.
*/
contentImageTransform?: ImageTransformation;
contentImageTransformError?: Error;
/**
* Whether the entry is pinned for ensuring it is available offline.
*/
pinned?: boolean;
/**
* Whether the entry is cached locally.
*/
present?: boolean;
presentError?: Error;
/**
* Whether the entry is hosted document of google drive.
*/
hosted?: boolean;
/**
* Whether the entry is modified locally and not synched yet.
*/
dirty?: boolean;
/**
* Whether the entry is present or hosted;
*/
availableOffline?: boolean;
availableWhenMetered?: boolean;
customIconUrl?: string;
customIconUrlError?: Error;
contentMimeType?: string;
/**
* Whether the entry is shared explicitly with me.
*/
sharedWithMe?: boolean;
/**
* Whether the entry is shared publicly.
*/
shared?: boolean;
/**
* URL for open a file in browser tab.
*/
externalFileUrl?: string;
mediaAlbum?: string;
mediaArtist?: string;
/**
* Audio or video duration in seconds.
*/
mediaDuration?: number;
mediaGenre?: string;
mediaTitle?: string;
mediaTrack?: string;
mediaYearRecorded?: string;
/**
* Mime type obtained by content provider based on URL.
* TODO(hirono)?: Remove the mediaMimeType.
*/
mediaMimeType?: string;
/**
* "Image File Directory" obtained from EXIF header.
* TODO(b/289003444): Add a type for this field once we move the type
* definition for Ifd into metadata.
*/
ifd?: object;
ifdError?: Error;
exifLittleEndian?: boolean;
canCopy?: boolean;
canDelete?: boolean;
canRename?: boolean;
canAddChildren?: boolean;
canShare?: boolean;
canPin?: boolean;
alternateUrl?: string;
isMachineRoot?: boolean;
isArbitrarySyncFolder?: boolean;
isExternalMedia?: boolean;
/**
* Whether the entry is under any DataLeakPrevention policy.
*/
isDlpRestricted?: boolean;
/**
* Source URL that can be used to check DataLeakPrevention policy.
*/
sourceUrl?: string;
/**
* Only applicable in file picker dialogs.
* Whether the entry is blocked by DataLeakPrevention policy from being
* uploaded to/opened by a specific destination, defined by the caller of
* the dialog.
*/
isRestrictedForDestination?: boolean;
/**
* Status indicating the current syncing behaviour for this item.
*/
syncStatus?: string;
/**
* Represents some ongoing operation with this item. E.g., pasting, syncing.
* Note: currently, this is exclusively used for Drive syncing.
*/
progress?: number;
/**
* If true, the item is a shortcut. Typically refers to a shortcut in Drive,
* but used to surface a shortcut badge on the file item.
*/
shortcut?: boolean;
/**
* Time in milliseconds since the epoch when the file last received a
* "completed" sync status.
*/
syncCompletedTime?: number;
}
export interface Id3v2Frame {
// Three to four character identifier for the type of frame.
name: string;
headerSize: number;
// Size excludes the header.
size: number;
// Only set for v2.3 and v2.4.
flags?: number;
// Various optional fields set depending on the type of frame.
encoding?: number;
value?: string;
description?: string;
format?: string;
mime?: string;
pictureType?: number;
imageUrl?: string;
}
export class ParserMetadata {
imageTransform?: ImageTransformation;
thumbnailTransform?: ImageTransformation;
thumbnailURL?: string;
littleEndian?: boolean;
ifd?: {
image?: Record<ExifTag, ExifEntry>,
thumbnail?: Record<ExifTag, ExifEntry>,
exif?: Record<ExifTag, ExifEntry>,
gps?: Record<ExifTag, ExifEntry>,
};
fileSize?: number;
height?: number;
width?: number;
duration?: number;
mimeType?: string;
title?: string;
artist?: string;
album?: string;
description?: Array<{key: string, value: string}>;
mpegBrand?: string;
id3v2?: {
majorVersion: number,
minorVersion: number,
flags: number,
size: number,
frames: {[frameName: string]: Id3v2Frame},
};
}
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