1/*
2 * Copyright (c) 2018, Daniel Gultsch All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without modification,
5 * are permitted provided that the following conditions are met:
6 *
7 * 1. Redistributions of source code must retain the above copyright notice, this
8 * list of conditions and the following disclaimer.
9 *
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation and/or
12 * other materials provided with the distribution.
13 *
14 * 3. Neither the name of the copyright holder nor the names of its contributors
15 * may be used to endorse or promote products derived from this software without
16 * specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
25 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30package eu.siacs.conversations.ui.util;
31
32import android.content.ClipData;
33import android.content.Context;
34import android.content.Intent;
35import android.net.Uri;
36import android.os.Parcel;
37import android.os.Parcelable;
38
39import java.io.File;
40import java.util.ArrayList;
41import java.util.Collections;
42import java.util.List;
43import java.util.UUID;
44
45import eu.siacs.conversations.utils.Compatibility;
46import eu.siacs.conversations.utils.MimeUtils;
47
48public class Attachment implements Parcelable {
49
50 Attachment(Parcel in) {
51 uri = in.readParcelable(Uri.class.getClassLoader());
52 mime = in.readString();
53 uuid = UUID.fromString(in.readString());
54 type = Type.valueOf(in.readString());
55 }
56
57 @Override
58 public void writeToParcel(Parcel dest, int flags) {
59 dest.writeParcelable(uri, flags);
60 dest.writeString(mime);
61 dest.writeString(uuid.toString());
62 dest.writeString(type.toString());
63 }
64
65 @Override
66 public int describeContents() {
67 return 0;
68 }
69
70 public static final Creator<Attachment> CREATOR = new Creator<Attachment>() {
71 @Override
72 public Attachment createFromParcel(Parcel in) {
73 return new Attachment(in);
74 }
75
76 @Override
77 public Attachment[] newArray(int size) {
78 return new Attachment[size];
79 }
80 };
81
82 public String getMime() {
83 return mime;
84 }
85
86 public Type getType() {
87 return type;
88 }
89
90 public enum Type {
91 FILE, IMAGE, LOCATION, RECORDING
92 }
93
94 private final Uri uri;
95 private final Type type;
96 private final UUID uuid;
97 private final String mime;
98
99 private Attachment(UUID uuid, Uri uri, Type type, String mime) {
100 this.uri = uri;
101 this.type = type;
102 this.mime = mime;
103 this.uuid = uuid;
104 }
105
106 private Attachment(Uri uri, Type type, String mime) {
107 this.uri = uri;
108 this.type = type;
109 this.mime = mime;
110 this.uuid = UUID.randomUUID();
111 }
112
113 public static boolean canBeSendInband(final List<Attachment> attachments) {
114 for (Attachment attachment : attachments) {
115 if (attachment.type != Type.LOCATION) {
116 return false;
117 }
118 }
119 return true;
120 }
121
122 public static List<Attachment> of(final Context context, Uri uri, Type type) {
123 final String mime = type == Type.LOCATION ? null : MimeUtils.guessMimeTypeFromUri(context, uri);
124 return Collections.singletonList(new Attachment(uri, type, mime));
125 }
126
127 public static List<Attachment> of(final Context context, List<Uri> uris) {
128 List<Attachment> attachments = new ArrayList<>();
129 for (Uri uri : uris) {
130 final String mime = MimeUtils.guessMimeTypeFromUri(context, uri);
131 attachments.add(new Attachment(uri, mime != null && isImage(mime) ? Type.IMAGE : Type.FILE, mime));
132 }
133 return attachments;
134 }
135
136 public static Attachment of(UUID uuid, final File file, String mime) {
137 return new Attachment(uuid, Uri.fromFile(file), mime != null && (isImage(mime) || mime.startsWith("video/")) ? Type.IMAGE : Type.FILE, mime);
138 }
139
140 public static List<Attachment> extractAttachments(final Context context, final Intent intent, Type type) {
141 List<Attachment> uris = new ArrayList<>();
142 if (intent == null) {
143 return uris;
144 }
145 final String contentType = intent.getType();
146 final Uri data = intent.getData();
147 if (data == null) {
148 final ClipData clipData = intent.getClipData();
149 if (clipData != null) {
150 for (int i = 0; i < clipData.getItemCount(); ++i) {
151 final Uri uri = clipData.getItemAt(i).getUri();
152 final String mime = MimeUtils.guessMimeTypeFromUriAndMime(context, uri, contentType);
153 uris.add(new Attachment(uri, type, mime));
154 }
155 }
156 } else {
157 final String mime = MimeUtils.guessMimeTypeFromUriAndMime(context, data, contentType);
158 uris.add(new Attachment(data, type, mime));
159 }
160 return uris;
161 }
162
163 public boolean renderThumbnail() {
164 return type == Type.IMAGE || (type == Type.FILE && mime != null && renderFileThumbnail(mime));
165 }
166
167 private static boolean renderFileThumbnail(final String mime) {
168 return mime.startsWith("video/")
169 || isImage(mime)
170 || (Compatibility.runsTwentyOne() && "application/pdf".equals(mime));
171 }
172
173 public Uri getUri() {
174 return uri;
175 }
176
177 public UUID getUuid() {
178 return uuid;
179 }
180
181 private static boolean isImage(final String mime) {
182 return mime.startsWith("image/") && !mime.equals("image/svg+xml");
183 }
184}