UI for introducing two contacts to each other

Show system notification for successful introductions

briar-android/src/org/briarproject/android/contact/ConversationMessageItem.java

@@ -0,0 +1,73 @@
+package org.briarproject.android.contact;
+
+import org.briarproject.api.messaging.PrivateMessageHeader;
+import org.briarproject.api.sync.MessageId;
+
+// This class is not thread-safe
+public class ConversationMessageItem extends ConversationItem implements
+		ConversationItem.OutgoingItem, ConversationItem.IncomingItem {
+
+	private final PrivateMessageHeader header;
+	private byte[] body;
+	private boolean sent, seen, read;
+
+	public ConversationMessageItem(PrivateMessageHeader header) {
+		super(header.getId(), header.getTimestamp());
+
+		this.header = header;
+		body = null;
+		sent = header.isSent();
+		seen = header.isSeen();
+		read = header.isRead();
+	}
+
+	@Override
+	int getType() {
+		if (getHeader().isLocal()) return MSG_OUT;
+		if (getHeader().isRead()) return MSG_IN;
+		return MSG_IN_UNREAD;
+	}
+
+	PrivateMessageHeader getHeader() {
+		return header;
+	}
+
+	byte[] getBody() {
+		return body;
+	}
+
+	void setBody(byte[] body) {
+		this.body = body;
+	}
+
+	@Override
+	public boolean isSent() {
+		return sent;
+	}
+
+	@Override
+	public void setSent(boolean sent) {
+		this.sent = sent;
+	}
+
+	@Override
+	public boolean isSeen() {
+		return seen;
+	}
+
+	@Override
+	public void setSeen(boolean seen) {
+		this.seen = seen;
+	}
+
+	@Override
+	public boolean isRead() {
+		return read;
+	}
+
+	@Override
+	public void setRead(boolean read) {
+		this.read = read;
+	}
+
+}