Group Member List UI

briar-android/src/org/briarproject/android/privategroup/conversation/GroupActivity.java

@@ -6,6 +6,8 @@ import android.content.Intent;
 import android.os.Bundle;
 import android.support.annotation.LayoutRes;
 import android.support.annotation.StringRes;
+import android.support.v4.app.ActivityCompat;
+import android.support.v4.app.ActivityOptionsCompat;
 import android.support.v7.app.ActionBar;
 import android.support.v7.app.AlertDialog;
 import android.support.v7.widget.LinearLayoutManager;
@@ -16,6 +18,7 @@ import android.view.MenuItem;
 import org.briarproject.R;
 import org.briarproject.android.ActivityComponent;
 import org.briarproject.android.controller.handler.UiResultExceptionHandler;
+import org.briarproject.android.privategroup.memberlist.GroupMemberListActivity;
 import org.briarproject.android.threaded.ThreadListActivity;
 import org.briarproject.android.threaded.ThreadListController;
 import org.briarproject.api.db.DbException;
@@ -24,6 +27,7 @@ import org.briarproject.api.privategroup.PrivateGroup;
 
 import javax.inject.Inject;
 
+import static android.support.v4.app.ActivityOptionsCompat.makeCustomAnimation;
 import static org.briarproject.api.privategroup.PrivateGroupConstants.MAX_GROUP_POST_BODY_LENGTH;
 
 public class GroupActivity extends
@@ -133,12 +137,20 @@ public class GroupActivity extends
 			case R.id.action_group_compose_message:
 				showTextInput(null);
 				return true;
+			case R.id.action_group_member_list:
+				Intent i = new Intent(this, GroupMemberListActivity.class);
+				i.putExtra(GROUP_ID, groupId.getBytes());
+				i.putExtra(GROUP_NAME, getTitle());
+				ActivityOptionsCompat options =
+						makeCustomAnimation(this, android.R.anim.slide_in_left,
+								android.R.anim.slide_out_right);
+				ActivityCompat.startActivity(this, i, options.toBundle());
+				return true;
 			case R.id.action_group_leave:
 				showLeaveGroupDialog();
 				return true;
 			case R.id.action_group_dissolve:
 				showDissolveGroupDialog();
-				return true;
 			default:
 				return super.onOptionsItemSelected(item);
 		}

briar-android/src/org/briarproject/android/privategroup/memberlist/GroupMemberListActivity.java

@@ -0,0 +1,91 @@
+package org.briarproject.android.privategroup.memberlist;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v7.widget.LinearLayoutManager;
+import android.view.MenuItem;
+
+import org.briarproject.R;
+import org.briarproject.android.ActivityComponent;
+import org.briarproject.android.BriarActivity;
+import org.briarproject.android.controller.handler.UiResultExceptionHandler;
+import org.briarproject.android.view.BriarRecyclerView;
+import org.briarproject.api.db.DbException;
+import org.briarproject.api.sync.GroupId;
+
+import java.util.Collection;
+
+import javax.inject.Inject;
+
+public class GroupMemberListActivity extends BriarActivity {
+
+	@Inject
+	GroupMemberListController controller;
+
+	private MemberListAdapter adapter;
+	private BriarRecyclerView list;
+	private GroupId groupId;
+
+	@Override
+	public void injectActivity(ActivityComponent component) {
+		component.inject(this);
+	}
+
+	@Override
+	public void onCreate(final Bundle state) {
+		super.onCreate(state);
+
+		setContentView(R.layout.list);
+
+		Intent i = getIntent();
+		byte[] b = i.getByteArrayExtra(GROUP_ID);
+		if (b == null) throw new IllegalStateException("No GroupId in intent.");
+		groupId = new GroupId(b);
+		String name = i.getStringExtra(GROUP_NAME);
+		if (name == null) throw new IllegalStateException("No name in intent.");
+		setTitle(name + " " + getString(R.string.groups_member_list));
+
+		list = (BriarRecyclerView) findViewById(R.id.list);
+		LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this);
+		list.setLayoutManager(linearLayoutManager);
+		adapter = new MemberListAdapter(this);
+		list.setAdapter(adapter);
+	}
+
+	@Override
+	public void onStart() {
+		super.onStart();
+		controller.loadMembers(groupId,
+				new UiResultExceptionHandler<Collection<MemberListItem>, DbException>(this) {
+					@Override
+					public void onResultUi(Collection<MemberListItem> members) {
+						adapter.addAll(members);
+					}
+
+					@Override
+					public void onExceptionUi(DbException exception) {
+						// TODO proper error handling
+						finish();
+					}
+				});
+		list.startPeriodicUpdate();
+	}
+
+	@Override
+	public void onStop() {
+		super.onStop();
+		list.stopPeriodicUpdate();
+	}
+
+	@Override
+	public boolean onOptionsItemSelected(MenuItem item) {
+		switch (item.getItemId()) {
+			case android.R.id.home:
+				onBackPressed();
+				return true;
+			default:
+				return super.onOptionsItemSelected(item);
+		}
+	}
+
+}

briar-android/src/org/briarproject/android/privategroup/memberlist/GroupMemberListController.java

@@ -0,0 +1,15 @@
+package org.briarproject.android.privategroup.memberlist;
+
+import org.briarproject.android.controller.DbController;
+import org.briarproject.android.controller.handler.ResultExceptionHandler;
+import org.briarproject.api.db.DbException;
+import org.briarproject.api.sync.GroupId;
+
+import java.util.Collection;
+
+public interface GroupMemberListController extends DbController {
+
+	void loadMembers(GroupId groupId,
+			ResultExceptionHandler<Collection<MemberListItem>, DbException> handler);
+
+}

briar-android/src/org/briarproject/android/privategroup/memberlist/GroupMemberListControllerImpl.java

@@ -0,0 +1,60 @@
+package org.briarproject.android.privategroup.memberlist;
+
+import org.briarproject.android.controller.DbControllerImpl;
+import org.briarproject.android.controller.handler.ResultExceptionHandler;
+import org.briarproject.api.db.DatabaseExecutor;
+import org.briarproject.api.db.DbException;
+import org.briarproject.api.lifecycle.LifecycleManager;
+import org.briarproject.api.privategroup.GroupMember;
+import org.briarproject.api.privategroup.PrivateGroupManager;
+import org.briarproject.api.sync.GroupId;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.concurrent.Executor;
+import java.util.logging.Logger;
+
+import javax.inject.Inject;
+
+import static java.util.logging.Level.WARNING;
+
+public class GroupMemberListControllerImpl extends DbControllerImpl
+		implements GroupMemberListController {
+
+	private static final Logger LOG =
+			Logger.getLogger(GroupMemberListControllerImpl.class.getName());
+
+	private final PrivateGroupManager privateGroupManager;
+
+	@Inject
+	GroupMemberListControllerImpl(@DatabaseExecutor Executor dbExecutor,
+			LifecycleManager lifecycleManager,
+			PrivateGroupManager privateGroupManager) {
+		super(dbExecutor, lifecycleManager);
+		this.privateGroupManager = privateGroupManager;
+	}
+
+	@Override
+	public void loadMembers(final GroupId groupId, final
+			ResultExceptionHandler<Collection<MemberListItem>, DbException> handler) {
+		runOnDbThread(new Runnable() {
+			@Override
+			public void run() {
+				try {
+					Collection<MemberListItem> items = new ArrayList<>();
+					Collection<GroupMember> members =
+							privateGroupManager.getMembers(groupId);
+					for (GroupMember m : members) {
+						items.add(new MemberListItem(m));
+					}
+					handler.onResult(items);
+				} catch (DbException e) {
+					if (LOG.isLoggable(WARNING))
+						LOG.log(WARNING, e.toString(), e);
+					handler.onException(e);
+				}
+			}
+		});
+	}
+
+}

briar-android/src/org/briarproject/android/privategroup/memberlist/MemberListAdapter.java

@@ -0,0 +1,48 @@
+package org.briarproject.android.privategroup.memberlist;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import org.briarproject.R;
+import org.briarproject.android.util.BriarAdapter;
+
+class MemberListAdapter extends
+		BriarAdapter<MemberListItem, MemberListItemHolder> {
+
+	MemberListAdapter(Context context) {
+		super(context, MemberListItem.class);
+	}
+
+	@Override
+	public MemberListItemHolder onCreateViewHolder(ViewGroup viewGroup,
+			int i) {
+		View v = LayoutInflater.from(ctx).inflate(
+				R.layout.list_item_group_member, viewGroup, false);
+		return new MemberListItemHolder(v);
+	}
+
+	@Override
+	public void onBindViewHolder(MemberListItemHolder ui, int position) {
+		ui.bind(items.get(position));
+	}
+
+	@Override
+	public int compare(MemberListItem m1, MemberListItem m2) {
+		return m1.getMember().getName().compareTo(m2.getMember().getName());
+	}
+
+	@Override
+	public boolean areContentsTheSame(MemberListItem m1, MemberListItem m2) {
+		if (m1.isSharing() != m2.isSharing()) return false;
+		if (m1.getStatus() != m2.getStatus()) return false;
+		return true;
+	}
+
+	@Override
+	public boolean areItemsTheSame(MemberListItem m1, MemberListItem m2) {
+		return m1.getMember().equals(m2.getMember());
+	}
+
+}

briar-android/src/org/briarproject/android/privategroup/memberlist/MemberListItem.java

@@ -0,0 +1,36 @@
+package org.briarproject.android.privategroup.memberlist;
+
+import org.briarproject.api.identity.Author;
+import org.briarproject.api.identity.Author.Status;
+import org.briarproject.api.nullsafety.NotNullByDefault;
+import org.briarproject.api.privategroup.GroupMember;
+
+import javax.annotation.concurrent.NotThreadSafe;
+
+@NotThreadSafe
+@NotNullByDefault
+public class MemberListItem {
+
+	private final Author member;
+	private Status status;
+	private boolean sharing;
+
+	public MemberListItem(GroupMember groupMember) {
+		this.member = groupMember.getAuthor();
+		this.sharing = groupMember.isShared();
+		this.status = groupMember.getStatus();
+	}
+
+	public Author getMember() {
+		return member;
+	}
+
+	public boolean isSharing() {
+		return sharing;
+	}
+
+	public Status getStatus() {
+		return status;
+	}
+
+}

briar-android/src/org/briarproject/android/privategroup/memberlist/MemberListItemHolder.java

@@ -0,0 +1,38 @@
+package org.briarproject.android.privategroup.memberlist;
+
+import android.support.annotation.UiThread;
+import android.support.v7.widget.RecyclerView;
+import android.view.View;
+import android.widget.ImageView;
+
+import org.briarproject.R;
+import org.briarproject.android.view.AuthorView;
+import org.briarproject.api.nullsafety.NotNullByDefault;
+
+import static android.view.View.INVISIBLE;
+import static android.view.View.VISIBLE;
+
+@UiThread
+@NotNullByDefault
+class MemberListItemHolder extends RecyclerView.ViewHolder {
+
+	private final AuthorView author;
+	private final ImageView sharing;
+
+	MemberListItemHolder(View v) {
+		super(v);
+		author = (AuthorView) v.findViewById(R.id.authorView);
+		sharing = (ImageView) v.findViewById(R.id.sharingView);
+	}
+
+	protected void bind(MemberListItem item) {
+		author.setAuthor(item.getMember());
+		author.setAuthorStatus(item.getStatus());
+		if (item.isSharing()) {
+			sharing.setVisibility(VISIBLE);
+		} else {
+			sharing.setVisibility(INVISIBLE);
+		}
+	}
+
+}