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.util.Log;
 37
 38import java.util.ArrayList;
 39import java.util.Collections;
 40import java.util.List;
 41import java.util.UUID;
 42
 43import eu.siacs.conversations.Config;
 44import eu.siacs.conversations.utils.MimeUtils;
 45import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 46
 47public class Attachment {
 48
 49    public String getMime() {
 50        return mime;
 51    }
 52
 53    public Type getType() {
 54        return type;
 55    }
 56
 57    public enum Type {
 58        FILE, IMAGE, LOCATION, RECORDING
 59    }
 60
 61    private final Uri uri;
 62    private final Type type;
 63    private final UUID uuid;
 64    private final String mime;
 65
 66    private Attachment(Uri uri, Type type, String mime) {
 67        this.uri = uri;
 68        this.type = type;
 69        this.mime = mime;
 70        this.uuid = UUID.randomUUID();
 71    }
 72
 73    public static List<Attachment> of(final Context context, Uri uri, Type type) {
 74        final String mime = type == Type.LOCATION ?null :MimeUtils.guessMimeTypeFromUri(context, uri);
 75        return Collections.singletonList(new Attachment(uri, type, mime));
 76    }
 77
 78
 79    public static List<Attachment> extractAttachments(final Context context, final Intent intent, Type type) {
 80        List<Attachment> uris = new ArrayList<>();
 81        if (intent == null) {
 82            return uris;
 83        }
 84        final String contentType = intent.getType();
 85        final Uri data = intent.getData();
 86        if (data == null) {
 87            final ClipData clipData = intent.getClipData();
 88            if (clipData != null) {
 89                for (int i = 0; i < clipData.getItemCount(); ++i) {
 90                    final Uri uri = clipData.getItemAt(i).getUri();
 91                    Log.d(Config.LOGTAG,"uri="+uri+" contentType="+contentType);
 92                    final String mime = contentType != null ? contentType : MimeUtils.guessMimeTypeFromUri(context, uri);
 93                    Log.d(Config.LOGTAG,"mime="+mime);
 94                    uris.add(new Attachment(uri, type, mime));
 95                }
 96            }
 97        } else {
 98            final String mime = contentType != null ? contentType : MimeUtils.guessMimeTypeFromUri(context, data);
 99            uris.add(new Attachment(data, type, mime));
100        }
101        return uris;
102    }
103
104    public boolean renderThumbnail() {
105        return type == Type.IMAGE || (type == Type.FILE && mime != null && (mime.startsWith("video/") || mime.startsWith("image/")));
106    }
107
108    public Uri getUri() {
109        return uri;
110    }
111
112    public UUID getUuid() {
113        return uuid;
114    }
115}