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      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 
     17 package com.android.dialer.enrichedcall;
     18 
     19 import android.net.Uri;
     20 import android.support.annotation.NonNull;
     21 import android.support.annotation.Nullable;
     22 import com.android.dialer.common.Assert;
     23 import 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
     45 public 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