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package org.briarproject.android.blogs;
import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.design.widget.Snackbar;
import android.support.v4.app.ActivityOptionsCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.widget.LinearLayoutManager;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Toast;
import org.briarproject.R;
import org.briarproject.android.ActivityComponent;
import org.briarproject.android.blogs.BaseController.OnBlogPostAddedListener;
import org.briarproject.android.blogs.BlogPostAdapter.OnBlogPostClickListener;
import org.briarproject.android.controller.handler.UiResultExceptionHandler;
import org.briarproject.android.fragment.BaseFragment;
import org.briarproject.android.sharing.BlogSharingStatusActivity;
import org.briarproject.android.sharing.ShareBlogActivity;
import org.briarproject.android.view.BriarRecyclerView;
import org.briarproject.api.blogs.BlogPostHeader;
import org.briarproject.api.db.DbException;
import org.briarproject.api.identity.Author;
import org.briarproject.api.nullsafety.MethodsNotNullByDefault;
import org.briarproject.api.nullsafety.ParametersNotNullByDefault;
import org.briarproject.api.sync.GroupId;
import java.util.Collection;
import javax.inject.Inject;
import static android.app.Activity.RESULT_OK;
import static android.content.Intent.FLAG_ACTIVITY_CLEAR_TOP;
import static android.content.Intent.FLAG_ACTIVITY_SINGLE_TOP;
import static android.support.v4.app.ActivityOptionsCompat.makeCustomAnimation;
import static android.widget.Toast.LENGTH_SHORT;
import static org.briarproject.android.BriarActivity.GROUP_ID;
import static org.briarproject.android.blogs.BlogActivity.REQUEST_SHARE;
import static org.briarproject.android.blogs.BlogActivity.REQUEST_WRITE_POST;
@MethodsNotNullByDefault
@ParametersNotNullByDefault
public class BlogFragment extends BaseFragment implements
OnBlogPostAddedListener {
private final static String TAG = BlogFragment.class.getName();
@Inject
BlogController blogController;
private GroupId groupId;
private BlogPostAdapter adapter;
private BriarRecyclerView list;
private boolean isMyBlog = false, canDeleteBlog = false;
static BlogFragment newInstance(GroupId groupId) {
BlogFragment f = new BlogFragment();
Bundle bundle = new Bundle();
bundle.putByteArray(GROUP_ID, groupId.getBytes());
f.setArguments(bundle);
return f;
}
@Nullable
@Override
public View onCreateView(LayoutInflater inflater,
@Nullable ViewGroup container,
@Nullable Bundle savedInstanceState) {
Bundle args = getArguments();
byte[] b = args.getByteArray(GROUP_ID);
if (b == null) throw new IllegalStateException("No group ID in args");
groupId = new GroupId(b);
View v = inflater.inflate(R.layout.fragment_blog, container, false);
adapter = new BlogPostAdapter(getActivity(),
(OnBlogPostClickListener) getActivity());
list = (BriarRecyclerView) v.findViewById(R.id.postList);
list.setLayoutManager(new LinearLayoutManager(getActivity()));
list.setAdapter(adapter);
list.setEmptyText(getString(R.string.blogs_other_blog_empty_state));
return v;
}
@Override
public void injectFragment(ActivityComponent component) {
component.inject(this);
blogController.setOnBlogPostAddedListener(this);
}
@Override
public void onStart() {
super.onStart();
list.startPeriodicUpdate();
}
@Override
public void onStop() {
super.onStop();
list.stopPeriodicUpdate();
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
inflater.inflate(R.menu.blogs_blog_actions, menu);
writeButton = menu.findItem(R.id.action_write_blog_post);
if (isMyBlog) writeButton.setVisible(true);
deleteButton = menu.findItem(R.id.action_blog_delete);
if (canDeleteBlog) deleteButton.setEnabled(true);
super.onCreateOptionsMenu(menu, inflater);
}
@Override
public boolean onOptionsItemSelected(final MenuItem item) {
ActivityOptionsCompat options =
makeCustomAnimation(getActivity(),
android.R.anim.slide_in_left,
android.R.anim.slide_out_right);
switch (item.getItemId()) {
case R.id.action_write_blog_post:
Intent i = new Intent(getActivity(),
WriteBlogPostActivity.class);
i.putExtra(GROUP_ID, groupId.getBytes());
startActivityForResult(i, REQUEST_WRITE_POST,
options.toBundle());
Intent i2 = new Intent(getActivity(), ShareBlogActivity.class);
i2.setFlags(FLAG_ACTIVITY_CLEAR_TOP | FLAG_ACTIVITY_SINGLE_TOP);
i2.putExtra(GROUP_ID, groupId.getBytes());
startActivityForResult(i2, REQUEST_SHARE, options.toBundle());
return true;
case R.id.action_blog_sharing_status:
Intent i3 = new Intent(getActivity(),
i3.setFlags(FLAG_ACTIVITY_CLEAR_TOP | FLAG_ACTIVITY_SINGLE_TOP);
i3.putExtra(GROUP_ID, groupId.getBytes());
startActivity(i3, options.toBundle());
return true;
case R.id.action_blog_delete:
showDeleteDialog();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
@Override
public void onActivityResult(int request, int result, Intent data) {
super.onActivityResult(request, result, data);
if (request == REQUEST_WRITE_POST && result == RESULT_OK) {
displaySnackbar(R.string.blogs_blog_post_created, true);
loadBlogPosts(true);
} else if (request == REQUEST_SHARE && result == RESULT_OK) {
displaySnackbar(R.string.blogs_sharing_snackbar, false);
@Override
public String getUniqueTag() {
return TAG;
}
@Override
public void onBlogPostAdded(BlogPostHeader header, final boolean local) {
blogController.loadBlogPost(header,
new UiResultExceptionHandler<BlogPostItem, DbException>(
@Override
public void onResultUi(BlogPostItem post) {
adapter.add(post);
displaySnackbar(R.string.blogs_blog_post_created,
false);
displaySnackbar(R.string.blogs_blog_post_received,
true);
}
@Override
public void onExceptionUi(DbException exception) {
// TODO: Decide how to handle errors in the UI
private void loadBlogPosts(final boolean reload) {
blogController.loadBlogPosts(
new UiResultExceptionHandler<Collection<BlogPostItem>, DbException>(
public void onResultUi(Collection<BlogPostItem> posts) {
if (posts.isEmpty()) {
list.showData();
adapter.addAll(posts);
if (reload) list.scrollToPosition(0);
@Override
public void onExceptionUi(DbException exception) {
// TODO: Decide how to handle errors in the UI
finish();
private void loadBlog() {
blogController.loadBlog(
new UiResultExceptionHandler<BlogItem, DbException>(this) {
public void onResultUi(BlogItem blog) {
setToolbarTitle(blog.getBlog().getAuthor());
if (blog.isOurs())
}
@Override
public void onExceptionUi(DbException exception) {
// TODO: Decide how to handle errors in the UI
finish();
private void setToolbarTitle(Author a) {
String title = getString(R.string.blogs_personal_blog, a.getName());
getActivity().setTitle(title);
isMyBlog = true;
if (writeButton != null)
writeButton.setVisible(true);
}
canDeleteBlog = true;
private void displaySnackbar(int stringId, boolean scroll) {
Snackbar.make(list, stringId, Snackbar.LENGTH_LONG);
snackbar.getView().setBackgroundResource(R.color.briar_primary);
if (scroll) {
View.OnClickListener onClick = new View.OnClickListener() {
@Override
public void onClick(View v) {
list.smoothScrollToPosition(0);
}
};
snackbar.setActionTextColor(ContextCompat
.getColor(getContext(),
R.color.briar_button_positive));
snackbar.setAction(R.string.blogs_blog_post_scroll_to, onClick);
}
private void showDeleteDialog() {
DialogInterface.OnClickListener okListener =
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
deleteBlog();
}
};
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity(),
R.style.BriarDialogTheme);
builder.setTitle(getString(R.string.blogs_remove_blog));
getString(R.string.blogs_remove_blog_dialog_message));
builder.setPositiveButton(R.string.cancel, null);
builder.setNegativeButton(R.string.blogs_remove_blog_ok, okListener);
builder.show();
}
private void deleteBlog() {
blogController.deleteBlog(
new UiResultExceptionHandler<Void, DbException>(this) {
R.string.blogs_blog_removed, LENGTH_SHORT)
@Override
public void onExceptionUi(DbException exception) {
// TODO: Decide how to handle errors in the UI
finish();
@Override
public void onBlogRemoved() {
finish();
}