Set blog title when opening blog

Fixes #634

briar-android/src/org/briarproject/android/blogs/BlogItem.java

@@ -0,0 +1,73 @@
+package org.briarproject.android.blogs;
+
+import org.briarproject.api.blogs.Blog;
+import org.briarproject.api.blogs.BlogPostHeader;
+
+import java.util.Collection;
+
+class BlogItem {
+
+	private final Blog blog;
+	private final int postCount;
+	private final long timestamp;
+	private final int unread;
+	private final boolean ours, removable;
+
+	BlogItem(Blog blog, Collection<BlogPostHeader> headers, boolean ours,
+			boolean removable) {
+		this.blog = blog;
+		if (headers.isEmpty()) {
+			postCount = 0;
+			timestamp = 0;
+			unread = 0;
+		} else {
+			BlogPostHeader newest = null;
+			long timestamp = -1;
+			int unread = 0;
+			for (BlogPostHeader h : headers) {
+				if (h.getTimestamp() > timestamp) {
+					timestamp = h.getTimestamp();
+					newest = h;
+				}
+				if (!h.isRead()) unread++;
+			}
+			this.postCount = headers.size();
+			this.timestamp = newest.getTimestamp();
+			this.unread = unread;
+		}
+		this.ours = ours;
+		this.removable = removable;
+	}
+
+	Blog getBlog() {
+		return blog;
+	}
+
+	String getName() {
+		return blog.getName();
+	}
+
+	boolean isEmpty() {
+		return postCount == 0;
+	}
+
+	int getPostCount() {
+		return postCount;
+	}
+
+	long getTimestamp() {
+		return timestamp;
+	}
+
+	int getUnreadCount() {
+		return unread;
+	}
+
+	boolean isOurs() {
+		return ours;
+	}
+
+	boolean canBeRemoved() {
+		return removable;
+	}
+}