Save RTT chat history during the call.

Thus putting call into background won't lose the history.
This is only stored in memory by making RttChatMessage Parcelable and saved
along with fragment's life cycle.

Bug: 67596257
Test: manual
PiperOrigin-RevId: 188500104
Change-Id: I11e8e55f0475defd9c3b9a8cc10db4186392ddd8

1 files changed, 40 insertions, 1 deletions

diff --git a/java/com/android/incallui/rtt/impl/RttChatMessage.java b/java/com/android/incallui/rtt/impl/RttChatMessage.java
index 6c852cf92..fd83fb82f 100644
--- a/java/com/android/incallui/rtt/impl/RttChatMessage.java
+++ b/java/com/android/incallui/rtt/impl/RttChatMessage.java
@@ -16,6 +16,8 @@
 
 package com.android.incallui.rtt.impl;
 
+import android.os.Parcel;
+import android.os.Parcelable;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import com.android.incallui.rtt.protocol.Constants;
@@ -25,7 +27,7 @@ import java.util.Iterator;
 import java.util.List;
 
 /** Message class that holds one RTT chat content. */
-final class RttChatMessage {
+final class RttChatMessage implements Parcelable {
 
   private static final Splitter SPLITTER = Splitter.on(Constants.BUBBLE_BREAKER);
 
@@ -119,4 +121,41 @@ final class RttChatMessage {
 
     return messageList;
   }
+
+  @Override
+  public int describeContents() {
+    return 0;
+  }
+
+  @Override
+  public void writeToParcel(Parcel dest, int flags) {
+    dest.writeString(getContent());
+    boolean[] values = new boolean[2];
+    values[0] = isRemote;
+    values[1] = isFinished;
+    dest.writeBooleanArray(values);
+  }
+
+  public static final Parcelable.Creator<RttChatMessage> CREATOR =
+      new Parcelable.Creator<RttChatMessage>() {
+        @Override
+        public RttChatMessage createFromParcel(Parcel in) {
+          return new RttChatMessage(in);
+        }
+
+        @Override
+        public RttChatMessage[] newArray(int size) {
+          return new RttChatMessage[size];
+        }
+      };
+
+  private RttChatMessage(Parcel in) {
+    content.append(in.readString());
+    boolean[] values = new boolean[2];
+    in.readBooleanArray(values);
+    isRemote = values[0];
+    isFinished = values[1];
+  }
+
+  RttChatMessage() {}
 }