1 /* 2 * Copyright (C) 2013 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 package com.android.mail.bitmap; 17 18 import android.text.TextUtils; 19 20 import com.android.bitmap.RequestKey; 21 import com.android.mail.bitmap.ContactResolver.ContactDrawableInterface; 22 23 import java.io.ByteArrayInputStream; 24 import java.io.IOException; 25 import java.io.InputStream; 26 27 /** 28 * A request object for contact images. ContactRequests have a destination because multiple 29 * ContactRequests can share the same decoded data. 30 */ 31 public class ContactRequest implements RequestKey { 32 33 private final String mName; 34 private final String mEmail; 35 36 public byte[] bytes; 37 ContactRequest(final String name, final String email)38 public ContactRequest(final String name, final String email) { 39 mName = name; 40 mEmail = normalizeEmail(email); 41 } 42 normalizeEmail(final String email)43 private String normalizeEmail(final String email) { 44 if (TextUtils.isEmpty(email)) { 45 throw new IllegalArgumentException("Email must not be empty."); 46 } 47 // todo: b/10258788 48 return email; 49 } 50 51 @Override equals(final Object o)52 public boolean equals(final Object o) { 53 if (this == o) { 54 return true; 55 } 56 if (o == null || getClass() != o.getClass()) { 57 return false; 58 } 59 60 final ContactRequest that = (ContactRequest) o; 61 62 // Only count email, so we can pull results out of the cache that are from other contact 63 // requests. 64 //noinspection RedundantIfStatement 65 if (mEmail != null ? !mEmail.equals(that.mEmail) : that.mEmail != null) { 66 return false; 67 } 68 69 return true; 70 } 71 72 @Override hashCode()73 public int hashCode() { 74 // Only count email, so we can pull results out of the cache that are from other contact 75 // requests. 76 return mEmail != null ? mEmail.hashCode() : 0; 77 } 78 79 @Override toString()80 public String toString() { 81 return "[" + super.toString() + " mName=" + mName + " mEmail=" + mEmail + "]"; 82 } 83 84 @Override createFileDescriptorFactoryAsync(RequestKey key, Callback callback)85 public Cancelable createFileDescriptorFactoryAsync(RequestKey key, Callback callback) { 86 return null; 87 } 88 89 @Override createInputStream()90 public InputStream createInputStream() throws IOException { 91 return new ByteArrayInputStream(bytes); 92 } 93 94 @Override hasOrientationExif()95 public boolean hasOrientationExif() throws IOException { 96 return false; 97 } 98 getEmail()99 public String getEmail() { 100 return mEmail; 101 } 102 getDisplayName()103 public String getDisplayName() { 104 return !TextUtils.isEmpty(mName) ? mName : mEmail; 105 } 106 107 /** 108 * This ContactRequest wrapper provides implementations of equals() and hashcode() that 109 * include the destination. We need to put multiple ContactRequests in a set, 110 * but its implementations of equals() and hashcode() don't include the destination. 111 */ 112 public static class ContactRequestHolder { 113 114 public final ContactRequest contactRequest; 115 public final ContactDrawableInterface destination; 116 ContactRequestHolder(final ContactRequest contactRequest, final ContactDrawableInterface destination)117 public ContactRequestHolder(final ContactRequest contactRequest, 118 final ContactDrawableInterface destination) { 119 this.contactRequest = contactRequest; 120 this.destination = destination; 121 } 122 123 @Override equals(final Object o)124 public boolean equals(final Object o) { 125 if (this == o) { 126 return true; 127 } 128 if (o == null || getClass() != o.getClass()) { 129 return false; 130 } 131 132 final ContactRequestHolder that = (ContactRequestHolder) o; 133 134 if (contactRequest != null ? !contactRequest.equals(that.contactRequest) 135 : that.contactRequest != null) { 136 return false; 137 } 138 //noinspection RedundantIfStatement 139 if (destination != null ? !destination.equals(that.destination) 140 : that.destination != null) { 141 return false; 142 } 143 144 return true; 145 } 146 147 @Override hashCode()148 public int hashCode() { 149 int result = contactRequest != null ? contactRequest.hashCode() : 0; 150 result = 31 * result + (destination != null ? destination.hashCode() : 0); 151 return result; 152 } 153 154 @Override toString()155 public String toString() { 156 return contactRequest.toString(); 157 } 158 getEmail()159 public String getEmail() { 160 return contactRequest.getEmail(); 161 } 162 getDisplayName()163 public String getDisplayName() { 164 return contactRequest.getDisplayName(); 165 } 166 } 167 } 168