Merge branch '672-implement-ux-for-dissolving-a-group' into 'master'

Implement UX for when a group has been dissolved

This MR is based on !367.

Closes #672

See merge request !369

briar-android/res/layout/list_item_group.xml

@@ -80,6 +80,7 @@
 		android:layout_below="@+id/messageCountView"
 		android:layout_toEndOf="@+id/avatarView"
 		android:layout_toRightOf="@+id/avatarView"
+		android:layout_toLeftOf="@+id/removeButton"
 		android:paddingTop="@dimen/margin_small"
 		android:textColor="@color/briar_text_tertiary"
 		tools:text="@string/groups_group_is_empty"/>
@@ -91,7 +92,6 @@
 		android:layout_height="wrap_content"
 		android:layout_alignBottom="@+id/divider"
 		android:layout_alignParentRight="true"
-		android:layout_toRightOf="@+id/statusView"
 		android:text="@string/groups_remove"
 		tools:visibility="gone"/>
 

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

@@ -33,9 +33,8 @@ public class GroupActivity extends
 	@Inject
 	GroupController controller;
 
-	private boolean isCreator;
-	private MenuItem leaveMenuItem;
-	private MenuItem dissolveMenuItem;
+	private boolean isCreator, isDissolved = false;
+	private MenuItem writeMenuItem, leaveMenuItem, dissolveMenuItem;
 
 	@Override
 	public void injectActivity(ActivityComponent component) {
@@ -56,7 +55,37 @@ public class GroupActivity extends
 		if (groupName != null) setTitle(groupName);
 		loadNamedGroup();
 
-		list.setEmptyText(R.string.groups_no_messages);
+		setGroupEnabled(false);
+	}
+
+	@Override
+	@LayoutRes
+	protected int getLayout() {
+		return R.layout.activity_forum;
+	}
+
+	@Override
+	protected GroupMessageAdapter createAdapter(
+			LinearLayoutManager layoutManager) {
+		return new GroupMessageAdapter(this, layoutManager);
+	}
+
+	@Override
+	protected void loadItems() {
+		controller.isDissolved(
+				new UiResultExceptionHandler<Boolean, DbException>(this) {
+					@Override
+					public void onResultUi(Boolean isDissolved) {
+						setGroupEnabled(!isDissolved);
+						GroupActivity.super.loadItems();
+					}
+
+					@Override
+					public void onExceptionUi(DbException exception) {
+						// TODO proper error handling
+						finish();
+					}
+				});
 	}
 
 	@Override
@@ -84,24 +113,13 @@ public class GroupActivity extends
 				});
 	}
 
-	@Override
-	@LayoutRes
-	protected int getLayout() {
-		return R.layout.activity_forum;
-	}
-
-	@Override
-	protected GroupMessageAdapter createAdapter(
-			LinearLayoutManager layoutManager) {
-		return new GroupMessageAdapter(this, layoutManager);
-	}
-
 	@Override
 	public boolean onCreateOptionsMenu(Menu menu) {
 		// Inflate the menu items for use in the action bar
 		MenuInflater inflater = getMenuInflater();
 		inflater.inflate(R.menu.group_actions, menu);
 
+		writeMenuItem = menu.findItem(R.id.action_group_compose_message);
 		leaveMenuItem = menu.findItem(R.id.action_group_leave);
 		dissolveMenuItem = menu.findItem(R.id.action_group_dissolve);
 		showMenuItems();
@@ -143,6 +161,18 @@ public class GroupActivity extends
 		return R.string.groups_message_received;
 	}
 
+	@Override
+	public void onReplyClick(GroupMessageItem item) {
+		if (!isDissolved) super.onReplyClick(item);
+	}
+
+	private void setGroupEnabled(boolean enabled) {
+		isDissolved = !enabled;
+		if (writeMenuItem != null) writeMenuItem.setVisible(enabled);
+		textInput.setSendButtonEnabled(enabled);
+		list.getRecyclerView().setAlpha(enabled ? 1f : 0.5f);
+	}
+
 	private void showMenuItems() {
 		if (leaveMenuItem == null || dissolveMenuItem == null) return;
 		if (isCreator) {
@@ -152,6 +182,7 @@ public class GroupActivity extends
 			leaveMenuItem.setVisible(true);
 			dissolveMenuItem.setVisible(false);
 		}
+		writeMenuItem.setVisible(!isDissolved);
 	}
 
 	private void showLeaveGroupDialog() {

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

@@ -13,4 +13,7 @@ public interface GroupController
 	void isCreator(PrivateGroup group,
 			ResultExceptionHandler<Boolean, DbException> handler);
 
+	void isDissolved(
+			ResultExceptionHandler<Boolean, DbException> handler);
+
 }

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

@@ -195,4 +195,23 @@ public class GroupControllerImpl extends
 		});
 	}
 
+	@Override
+	public void isDissolved(final
+			ResultExceptionHandler<Boolean, DbException> handler) {
+		runOnDbThread(new Runnable() {
+			@Override
+			public void run() {
+				try {
+					boolean isDissolved =
+							privateGroupManager.isDissolved(getGroupId());
+					handler.onResult(isDissolved);
+				} catch (DbException e) {
+					if (LOG.isLoggable(WARNING))
+						LOG.log(WARNING, e.toString(), e);
+					handler.onException(e);
+				}
+			}
+		});
+	}
+
 }

briar-android/src/org/briarproject/android/privategroup/list/GroupListControllerImpl.java

@@ -2,7 +2,6 @@ package org.briarproject.android.privategroup.list;
 
 import android.support.annotation.CallSuper;
 
-import org.briarproject.android.api.AndroidNotificationManager;
 import org.briarproject.android.controller.DbControllerImpl;
 import org.briarproject.android.controller.handler.ResultExceptionHandler;
 import org.briarproject.api.clients.MessageTracker.GroupCount;
@@ -15,7 +14,6 @@ import org.briarproject.api.event.EventListener;
 import org.briarproject.api.event.GroupAddedEvent;
 import org.briarproject.api.event.GroupMessageAddedEvent;
 import org.briarproject.api.event.GroupRemovedEvent;
-import org.briarproject.api.identity.IdentityManager;
 import org.briarproject.api.lifecycle.LifecycleManager;
 import org.briarproject.api.privategroup.GroupMessageHeader;
 import org.briarproject.api.privategroup.PrivateGroup;
@@ -44,23 +42,17 @@ public class GroupListControllerImpl extends DbControllerImpl
 	private final PrivateGroupManager groupManager;
 	private final GroupInvitationManager groupInvitationManager;
 	private final EventBus eventBus;
-	private final AndroidNotificationManager notificationManager;
-	private final IdentityManager identityManager;
 
 	protected volatile GroupListListener listener;
 
 	@Inject
 	GroupListControllerImpl(@DatabaseExecutor Executor dbExecutor,
 			LifecycleManager lifecycleManager, PrivateGroupManager groupManager,
-			GroupInvitationManager groupInvitationManager, EventBus eventBus,
-			AndroidNotificationManager notificationManager,
-			IdentityManager identityManager) {
+			GroupInvitationManager groupInvitationManager, EventBus eventBus) {
 		super(dbExecutor, lifecycleManager);
 		this.groupManager = groupManager;
 		this.groupInvitationManager = groupInvitationManager;
 		this.eventBus = eventBus;
-		this.notificationManager = notificationManager;
-		this.identityManager = identityManager;
 	}
 
 	@Override

briar-android/src/org/briarproject/android/threaded/ThreadListActivity.java

@@ -110,7 +110,7 @@ public abstract class ThreadListActivity<G extends NamedGroup, I extends ThreadI
 	@UiThread
 	protected abstract void onNamedGroupLoaded(G groupItem);
 
-	private void loadItems() {
+	protected void loadItems() {
 		final int revision = adapter.getRevision();
 		getController().loadItems(
 				new UiResultExceptionHandler<Collection<I>, DbException>(this) {