1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License
15 */
16
17package com.android.dialer.enrichedcall;
18
19import android.net.Uri;
20import android.support.annotation.NonNull;
21import android.support.annotation.Nullable;
22import com.android.dialer.common.Assert;
23import com.google.auto.value.AutoValue;
24
25/**
26 * Value type holding references to all data that could be provided for the call composer.
27 *
28 * <p>Note: Either the subject, the image data, or both must be specified, e.g.
29 *
30 * <pre>
31 *   OutgoingCallComposerData.builder.build(); // throws exception, no data set
32 *   OutgoingCallComposerData.builder
33 *       .setText(subject)
34 *       .build(); // Success
35 *   OutgoingCallComposerData.builder
36 *       .setImageData(uri, contentType)
37 *       .build(); // Success
38 *   OutgoingCallComposerData.builder
39 *      .setText(subject)
40 *      .setImageData(uri, contentType)
41 *      .build(); // Success
42 * </pre>
43 */
44@AutoValue
45public abstract class OutgoingCallComposerData {
46
47  public static Builder builder() {
48    return new AutoValue_OutgoingCallComposerData.Builder();
49  }
50
51  public boolean hasImageData() {
52    return getImageUri() != null && getImageContentType() != null;
53  }
54
55  @Nullable
56  public abstract String getSubject();
57
58  @Nullable
59  public abstract Uri getImageUri();
60
61  @Nullable
62  public abstract String getImageContentType();
63
64  /** Builds instances of {@link OutgoingCallComposerData}. */
65  @AutoValue.Builder
66  public abstract static class Builder {
67    public abstract Builder setSubject(String subject);
68
69    public Builder setImageData(@NonNull Uri imageUri, @NonNull String imageContentType) {
70      setImageUri(Assert.isNotNull(imageUri));
71      setImageContentType(Assert.isNotNull(imageContentType));
72      return this;
73    }
74
75    abstract Builder setImageUri(Uri imageUri);
76
77    abstract Builder setImageContentType(String imageContentType);
78
79    abstract OutgoingCallComposerData autoBuild();
80
81    /**
82     * Returns the OutgoingCallComposerData from this builder.
83     *
84     * @return the OutgoingCallComposerData.
85     * @throws IllegalStateException if neither {@link #setSubject(String)} nor {@link
86     *     #setImageData(Uri, String)} were called.
87     */
88    public OutgoingCallComposerData build() {
89      OutgoingCallComposerData data = autoBuild();
90      Assert.checkState(data.getSubject() != null || data.hasImageData());
91      return data;
92    }
93  }
94}
95