Attachment.java

  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;
 38import android.util.Log;
 39
 40import java.io.File;
 41import java.util.ArrayList;
 42import java.util.Collections;
 43import java.util.List;
 44import java.util.UUID;
 45
 46import eu.siacs.conversations.Config;
 47import eu.siacs.conversations.utils.MimeUtils;
 48
 49public class Attachment implements Parcelable {
 50
 51    Attachment(Parcel in) {
 52        uri = in.readParcelable(Uri.class.getClassLoader());
 53        mime = in.readString();
 54        uuid = UUID.fromString(in.readString());
 55        type = Type.valueOf(in.readString());
 56    }
 57
 58    @Override
 59    public void writeToParcel(Parcel dest, int flags) {
 60        dest.writeParcelable(uri, flags);
 61        dest.writeString(mime);
 62        dest.writeString(uuid.toString());
 63        dest.writeString(type.toString());
 64    }
 65
 66    @Override
 67    public int describeContents() {
 68        return 0;
 69    }
 70
 71    public static final Creator<Attachment> CREATOR = new Creator<Attachment>() {
 72        @Override
 73        public Attachment createFromParcel(Parcel in) {
 74            return new Attachment(in);
 75        }
 76
 77        @Override
 78        public Attachment[] newArray(int size) {
 79            return new Attachment[size];
 80        }
 81    };
 82
 83    public String getMime() {
 84        return mime;
 85    }
 86
 87    public Type getType() {
 88        return type;
 89    }
 90
 91    public enum Type {
 92        FILE, IMAGE, LOCATION, RECORDING
 93    }
 94
 95    private final Uri uri;
 96    private final Type type;
 97    private final UUID uuid;
 98    private final String mime;
 99
100    private Attachment(UUID uuid, Uri uri, Type type, String mime) {
101        this.uri = uri;
102        this.type = type;
103        this.mime = mime;
104        this.uuid = uuid;
105    }
106
107    private Attachment(Uri uri, Type type, String mime) {
108        this.uri = uri;
109        this.type = type;
110        this.mime = mime;
111        this.uuid = UUID.randomUUID();
112    }
113
114    public static boolean canBeSendInband(final List<Attachment> attachments) {
115        for(Attachment attachment : attachments) {
116            if (attachment.type != Type.LOCATION) {
117                return false;
118            }
119        }
120        return true;
121    }
122
123    public static List<Attachment> of(final Context context, Uri uri, Type type) {
124        final String mime = type == Type.LOCATION ?null :MimeUtils.guessMimeTypeFromUri(context, uri);
125        return Collections.singletonList(new Attachment(uri, type, mime));
126    }
127
128    public static List<Attachment> of(final Context context, List<Uri> uris) {
129        List<Attachment> attachments = new ArrayList<>();
130        for(Uri uri : uris) {
131            final String mime = MimeUtils.guessMimeTypeFromUri(context, uri);
132            attachments.add(new Attachment(uri, mime != null && mime.startsWith("image/") ? Type.IMAGE : Type.FILE,mime));
133        }
134        return attachments;
135    }
136
137    public static Attachment of(UUID uuid, final File file, String mime) {
138        return new Attachment(uuid, Uri.fromFile(file),mime != null && (mime.startsWith("image/") || mime.startsWith("video/")) ? Type.IMAGE : Type.FILE, mime);
139    }
140
141    public static List<Attachment> extractAttachments(final Context context, final Intent intent, Type type) {
142        List<Attachment> uris = new ArrayList<>();
143        if (intent == null) {
144            return uris;
145        }
146        final String contentType = intent.getType();
147        final Uri data = intent.getData();
148        if (data == null) {
149            final ClipData clipData = intent.getClipData();
150            if (clipData != null) {
151                for (int i = 0; i < clipData.getItemCount(); ++i) {
152                    final Uri uri = clipData.getItemAt(i).getUri();
153                    Log.d(Config.LOGTAG,"uri="+uri+" contentType="+contentType);
154                    final String mime = MimeUtils.guessMimeTypeFromUriAndMime(context, uri, contentType);
155                    Log.d(Config.LOGTAG,"mime="+mime);
156                    uris.add(new Attachment(uri, type, mime));
157                }
158            }
159        } else {
160            final String mime = MimeUtils.guessMimeTypeFromUriAndMime(context, data, contentType);
161            uris.add(new Attachment(data, type, mime));
162        }
163        return uris;
164    }
165
166    public boolean renderThumbnail() {
167        return type == Type.IMAGE || (type == Type.FILE && mime != null && (mime.startsWith("video/") || mime.startsWith("image/")));
168    }
169
170    public Uri getUri() {
171        return uri;
172    }
173
174    public UUID getUuid() {
175        return uuid;
176    }
177}