blob: 6ab4af1b7ca1f49c404efb429d8c5fb66fa5769a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
<?php
/**
* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
// use OCP namespace for all classes that are considered public.
// This means that they should be used by apps instead of the internal Nextcloud classes
namespace OCP;
use OCP\Files\File;
use OCP\Files\NotFoundException;
use OCP\Files\SimpleFS\ISimpleFile;
/**
* This class provides functions to render and show thumbnails and previews of files
* @since 6.0.0
*/
interface IPreview {
/**
* @since 11.0.0
*/
public const MODE_FILL = 'fill';
/**
* @since 11.0.0
*/
public const MODE_COVER = 'cover';
/**
* In order to improve lazy loading a closure can be registered which will be
* called in case preview providers are actually requested
*
* $callable has to return an instance of \OCP\Preview\IProvider
*
* @param string $mimeTypeRegex Regex with the mime types that are supported by this provider
* @param \Closure $callable
* @return void
* @since 8.1.0
* @see \OCP\AppFramework\Bootstrap\IRegistrationContext::registerPreviewProvider
*
* @deprecated 23.0.0 Register your provider via the IRegistrationContext when booting the app
*/
public function registerProvider($mimeTypeRegex, \Closure $callable);
/**
* Get all providers
* @return array
* @since 8.1.0
*/
public function getProviders();
/**
* Does the manager have any providers
* @return bool
* @since 8.1.0
*/
public function hasProviders();
/**
* Returns a preview of a file
*
* The cache is searched first and if nothing usable was found then a preview is
* generated by one of the providers
*
* @param File $file
* @param int $width
* @param int $height
* @param bool $crop
* @param string $mode
* @param string $mimeType To force a given mimetype for the file (files_versions needs this)
* @return ISimpleFile
* @throws NotFoundException
* @throws \InvalidArgumentException if the preview would be invalid (in case the original image is invalid)
* @since 11.0.0 - \InvalidArgumentException was added in 12.0.0
*/
public function getPreview(File $file, $width = -1, $height = -1, $crop = false, $mode = IPreview::MODE_FILL, $mimeType = null);
/**
* Returns true if the passed mime type is supported
* @param string $mimeType
* @return boolean
* @since 6.0.0
*/
public function isMimeSupported($mimeType = '*');
/**
* Check if a preview can be generated for a file
*
* @param \OCP\Files\FileInfo $file
* @return bool
* @since 8.0.0
*/
public function isAvailable(\OCP\Files\FileInfo $file);
/**
* Generates previews of a file
*
* @param File $file
* @param array $specifications
* @param string $mimeType
* @return ISimpleFile the last preview that was generated
* @throws NotFoundException
* @throws \InvalidArgumentException if the preview would be invalid (in case the original image is invalid)
* @since 19.0.0
*/
public function generatePreviews(File $file, array $specifications, $mimeType = null);
}
|
