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 com.google.common.base.MoreObjects;
40
41import org.jetbrains.annotations.NotNull;
42
43import java.io.File;
44import java.util.ArrayList;
45import java.util.Collections;
46import java.util.List;
47import java.util.UUID;
48
49import eu.siacs.conversations.utils.Compatibility;
50import eu.siacs.conversations.utils.MimeUtils;
51
52public class Attachment implements Parcelable {
53
54 Attachment(Parcel in) {
55 uri = in.readParcelable(Uri.class.getClassLoader());
56 mime = in.readString();
57 uuid = UUID.fromString(in.readString());
58 type = Type.valueOf(in.readString());
59 }
60
61 @Override
62 public void writeToParcel(Parcel dest, int flags) {
63 dest.writeParcelable(uri, flags);
64 dest.writeString(mime);
65 dest.writeString(uuid.toString());
66 dest.writeString(type.toString());
67 }
68
69 @Override
70 public int describeContents() {
71 return 0;
72 }
73
74 public static final Creator<Attachment> CREATOR = new Creator<Attachment>() {
75 @Override
76 public Attachment createFromParcel(Parcel in) {
77 return new Attachment(in);
78 }
79
80 @Override
81 public Attachment[] newArray(int size) {
82 return new Attachment[size];
83 }
84 };
85
86 public String getMime() {
87 return mime;
88 }
89
90 public Type getType() {
91 return type;
92 }
93
94 @NotNull
95 @Override
96 public String toString() {
97 return MoreObjects.toStringHelper(this)
98 .add("uri", uri)
99 .add("type", type)
100 .add("uuid", uuid)
101 .add("mime", mime)
102 .toString();
103 }
104
105 public enum Type {
106 FILE, IMAGE, LOCATION, RECORDING
107 }
108
109 private final Uri uri;
110 private final Type type;
111 private final UUID uuid;
112 private final String mime;
113
114 private Attachment(UUID uuid, Uri uri, Type type, String mime) {
115 this.uri = uri;
116 this.type = type;
117 this.mime = mime;
118 this.uuid = uuid;
119 }
120
121 private Attachment(Uri uri, Type type, String mime) {
122 this.uri = uri;
123 this.type = type;
124 this.mime = mime;
125 this.uuid = UUID.randomUUID();
126 }
127
128 public static boolean canBeSendInband(final List<Attachment> attachments) {
129 for (Attachment attachment : attachments) {
130 if (attachment.type != Type.LOCATION) {
131 return false;
132 }
133 }
134 return true;
135 }
136
137 public static List<Attachment> of(final Context context, Uri uri, Type type) {
138 final String mime = type == Type.LOCATION ? null : MimeUtils.guessMimeTypeFromUri(context, uri);
139 return Collections.singletonList(new Attachment(uri, type, mime));
140 }
141
142 public static List<Attachment> of(final Context context, List<Uri> uris, final String type) {
143 final List<Attachment> attachments = new ArrayList<>();
144 for (final Uri uri : uris) {
145 if (uri == null) {
146 continue;
147 }
148 final String mime = MimeUtils.guessMimeTypeFromUriAndMime(context, uri, type);
149 attachments.add(new Attachment(uri, mime != null && isImage(mime) ? Type.IMAGE : Type.FILE, mime));
150 }
151 return attachments;
152 }
153
154 public static Attachment of(UUID uuid, final File file, String mime) {
155 return new Attachment(uuid, Uri.fromFile(file), mime != null && (isImage(mime) || mime.startsWith("video/")) ? Type.IMAGE : Type.FILE, mime);
156 }
157
158 public static List<Attachment> extractAttachments(final Context context, final Intent intent, Type type) {
159 List<Attachment> uris = new ArrayList<>();
160 if (intent == null) {
161 return uris;
162 }
163 final String contentType = intent.getType();
164 final Uri data = intent.getData();
165 if (data == null) {
166 final ClipData clipData = intent.getClipData();
167 if (clipData != null) {
168 for (int i = 0; i < clipData.getItemCount(); ++i) {
169 final Uri uri = clipData.getItemAt(i).getUri();
170 final String mime = MimeUtils.guessMimeTypeFromUriAndMime(context, uri, contentType);
171 uris.add(new Attachment(uri, type, mime));
172 }
173 }
174 } else {
175 final String mime = MimeUtils.guessMimeTypeFromUriAndMime(context, data, contentType);
176 uris.add(new Attachment(data, type, mime));
177 }
178 return uris;
179 }
180
181 public boolean renderThumbnail() {
182 return type == Type.IMAGE || (type == Type.FILE && mime != null && renderFileThumbnail(mime));
183 }
184
185 private static boolean renderFileThumbnail(final String mime) {
186 return mime.startsWith("video/")
187 || isImage(mime)
188 || "application/pdf".equals(mime);
189 }
190
191 public Uri getUri() {
192 return uri;
193 }
194
195 public UUID getUuid() {
196 return uuid;
197 }
198
199 private static boolean isImage(final String mime) {
200 return mime.startsWith("image/") && !mime.equals("image/svg+xml");
201 }
202}