Reblogging and Comment UI

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

@@ -0,0 +1,196 @@
+package org.briarproject.android.blogs;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.ProgressBar;
+import android.widget.ScrollView;
+
+import org.briarproject.R;
+import org.briarproject.android.ActivityComponent;
+import org.briarproject.android.controller.handler.UiResultExceptionHandler;
+import org.briarproject.android.fragment.BaseFragment;
+import org.briarproject.api.db.DbException;
+import org.briarproject.api.sync.GroupId;
+import org.briarproject.api.sync.MessageId;
+
+import javax.inject.Inject;
+
+import static android.view.View.FOCUS_DOWN;
+import static android.view.View.GONE;
+import static android.view.View.INVISIBLE;
+import static android.view.View.VISIBLE;
+import static org.briarproject.android.BriarActivity.GROUP_ID;
+import static org.briarproject.android.blogs.BlogActivity.POST_ID;
+
+public class ReblogFragment extends BaseFragment {
+
+	public static final String TAG = ReblogFragment.class.getName();
+
+
+	private BaseFragmentListener listener;
+	private ViewHolder ui;
+	private GroupId blogId;
+	private MessageId postId;
+	private BlogPostItem item;
+
+	@Inject
+	FeedController feedController;
+
+	static ReblogFragment newInstance(GroupId groupId, MessageId messageId) {
+		ReblogFragment f = new ReblogFragment();
+
+		Bundle args = new Bundle();
+		args.putByteArray(GROUP_ID, groupId.getBytes());
+		args.putByteArray(POST_ID, messageId.getBytes());
+		f.setArguments(args);
+
+		return f;
+	}
+
+	@Override
+	public String getUniqueTag() {
+		return TAG;
+	}
+
+	@Override
+	public void injectFragment(ActivityComponent component) {
+		component.inject(this);
+	}
+
+	@Override
+	public void onAttach(Context context) {
+		super.onAttach(context);
+		try {
+			listener = (BaseFragmentListener) context;
+		} catch (ClassCastException e) {
+			throw new ClassCastException(
+					"Using class must implement BaseFragmentListener");
+		}
+	}
+
+	@Override
+	public View onCreateView(LayoutInflater inflater, ViewGroup container,
+			Bundle savedInstanceState) {
+
+		setHasOptionsMenu(true);
+
+		Bundle args = getArguments();
+		blogId = new GroupId(args.getByteArray(GROUP_ID));
+		postId = new MessageId(args.getByteArray(POST_ID));
+
+		View v = inflater.inflate(R.layout.fragment_reblog_dialog, container,
+				false);
+		ui = new ViewHolder(v);
+		showProgressBar();
+
+		return v;
+	}
+
+	@Override
+	public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+		super.onActivityCreated(savedInstanceState);
+		listener.getActivityComponent().inject(this);
+	}
+
+	@Override
+	public void onStart() {
+		super.onStart();
+
+		feedController.loadBlogPost(blogId, postId,
+				new UiResultExceptionHandler<BlogPostItem, DbException>(
+						getActivity()) {
+					@Override
+					public void onResultUi(BlogPostItem result) {
+						item = result;
+						bindViewHolder();
+					}
+					@Override
+					public void onExceptionUi(DbException exception) {
+						// TODO
+						finish();
+					}
+				});
+	}
+
+	private void bindViewHolder() {
+		if (item == null) return;
+
+		ui.post.bindItem(item);
+		ui.post.hideReblogButton();
+
+		ui.publish.setOnClickListener(new OnClickListener() {
+			@Override
+			public void onClick(View v) {
+				send();
+				finish();
+			}
+		});
+		ui.publish.setEnabled(true);
+		hideProgressBar();
+		ui.scrollView.post(new Runnable() {
+			@Override
+			public void run() {
+				//ui.scrollView.scrollTo(0, ui.scrollView.getBottom());
+				ui.scrollView.fullScroll(FOCUS_DOWN);
+			}
+		});
+	}
+
+	private void send() {
+		String comment = getComment();
+		feedController.repeatPost(item, comment,
+				new UiResultExceptionHandler<Void, DbException>(getActivity()) {
+					@Override
+					public void onResultUi(Void result) {
+						// do nothing, this fragment is gone already
+					}
+					@Override
+					public void onExceptionUi(DbException exception) {
+						// do nothing, this fragment is gone already
+					}
+				});
+	}
+
+	@Nullable
+	private String getComment() {
+		if (ui.input.getText().length() == 0) return null;
+		return ui.input.getText().toString();
+	}
+
+	private void showProgressBar() {
+		ui.progressBar.setVisibility(VISIBLE);
+		ui.post.setVisibility(GONE);
+		ui.input.setVisibility(GONE);
+		ui.publish.setVisibility(GONE);
+	}
+
+	private void hideProgressBar() {
+		ui.progressBar.setVisibility(INVISIBLE);
+		ui.post.setVisibility(VISIBLE);
+		ui.input.setVisibility(VISIBLE);
+		ui.publish.setVisibility(VISIBLE);
+	}
+
+	private static class ViewHolder {
+		private final ScrollView scrollView;
+		private final ProgressBar progressBar;
+		private final BlogPostViewHolder post;
+		private final EditText input;
+		private final Button publish;
+
+		private ViewHolder(View v) {
+			scrollView = (ScrollView) v.findViewById(R.id.scrollView);
+			progressBar = (ProgressBar) v.findViewById(R.id.progressBar);
+			post = new BlogPostViewHolder(v.findViewById(R.id.postLayout));
+			input = (EditText) v.findViewById(R.id.inputText);
+			publish = (Button) v.findViewById(R.id.publishButton);
+		}
+	}
+}