Show blog invitation requests and responses in private conversation

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

@@ -0,0 +1,60 @@
+package org.briarproject.android.contact;
+
+import org.briarproject.api.blogs.BlogInvitationRequest;
+import org.briarproject.api.forum.ForumInvitationRequest;
+import org.briarproject.api.sharing.InvitationRequest;
+
+/**
+ * This class is needed and can not be replaced by an ConversationNoticeOutItem,
+ * because it carries the optional invitation message
+ * to be displayed as a regular private message.
+ * <p/>
+ * This class is not thread-safe
+ */
+class ConversationShareableInvitationOutItem
+		extends ConversationShareableInvitationItem
+		implements ConversationItem.OutgoingItem {
+
+	private final int type;
+	private boolean sent, seen;
+
+	ConversationShareableInvitationOutItem(InvitationRequest ir) {
+		super(ir);
+
+		if (ir instanceof ForumInvitationRequest) {
+			this.type = FORUM_INVITATION_OUT;
+		} else if (ir instanceof BlogInvitationRequest) {
+			this.type = BLOG_INVITATION_OUT;
+		} else {
+			throw new IllegalArgumentException("Unknown Invitation Type.");
+		}
+
+		this.sent = ir.isSent();
+		this.seen = ir.isSeen();
+	}
+
+	@Override
+	int getType() {
+		return type;
+	}
+
+	@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;
+	}
+}