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@ -5,7 +5,6 @@ import android.os.Bundle; |
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import android.view.LayoutInflater; |
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import android.view.View; |
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import android.view.ViewGroup; |
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import android.widget.ProgressBar; |
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import androidx.annotation.NonNull; |
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import androidx.recyclerview.widget.DividerItemDecoration; |
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@ -27,7 +26,6 @@ import gr.thmmy.mthmmy.base.BaseFragment; |
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import gr.thmmy.mthmmy.model.PostSummary; |
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import gr.thmmy.mthmmy.utils.parsing.ParseException; |
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import gr.thmmy.mthmmy.utils.parsing.ParseHelpers; |
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import me.zhanghai.android.materialprogressbar.MaterialProgressBar; |
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import okhttp3.Request; |
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import okhttp3.Response; |
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import timber.log.Timber; |
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@ -35,7 +33,7 @@ import timber.log.Timber; |
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/** |
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* Use the {@link LatestPostsFragment#newInstance} factory method to create an instance of this fragment. |
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*/ |
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public class LatestPostsFragment extends BaseFragment implements LatestPostsAdapter.OnLoadMoreListener { |
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public class LatestPostsFragment extends BaseFragment { |
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/** |
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* The key to use when putting profile's url String to {@link LatestPostsFragment}'s Bundle. |
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*/ |
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@ -50,12 +48,13 @@ public class LatestPostsFragment extends BaseFragment implements LatestPostsAdap |
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private int pagesLoaded = 0; |
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private String profileUrl; |
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private LatestPostsTask profileLatestPostsTask; |
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private MaterialProgressBar progressBar; |
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private boolean isLoadingMore; |
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private boolean userHasPosts = true; |
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private static final int visibleThreshold = 5; |
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private int lastVisibleItem, totalItemCount; |
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private OnLoadingListener onLoadingListener; |
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public LatestPostsFragment() { |
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// Required empty public constructor
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} |
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@ -87,16 +86,16 @@ public class LatestPostsFragment extends BaseFragment implements LatestPostsAdap |
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Bundle savedInstanceState) { |
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final View rootView = inflater.inflate(R.layout.fragment_profile_latest_posts, container, false); |
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latestPostsAdapter = new LatestPostsAdapter(this.getContext(), fragmentInteractionListener, parsedTopicSummaries); |
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RecyclerView mainContent = rootView.findViewById(R.id.profile_latest_posts_recycler); |
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mainContent.setAdapter(latestPostsAdapter); |
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RecyclerView recyclerView = rootView.findViewById(R.id.profile_latest_posts_recycler); |
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recyclerView.setAdapter(latestPostsAdapter); |
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final LinearLayoutManager layoutManager = new LinearLayoutManager(getContext()); |
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mainContent.setLayoutManager(layoutManager); |
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DividerItemDecoration dividerItemDecoration = new DividerItemDecoration(mainContent.getContext(), |
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recyclerView.setLayoutManager(layoutManager); |
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DividerItemDecoration dividerItemDecoration = new DividerItemDecoration(recyclerView.getContext(), |
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layoutManager.getOrientation()); |
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mainContent.addItemDecoration(dividerItemDecoration); |
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recyclerView.addItemDecoration(dividerItemDecoration); |
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recyclerView.setItemViewCacheSize(15); |
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//latestPostsAdapter.setOnLoadMoreListener();
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mainContent.addOnScrollListener(new RecyclerView.OnScrollListener() { |
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recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() { |
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@Override |
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public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) { |
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super.onScrolled(recyclerView, dx, dy); |
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@ -110,20 +109,15 @@ public class LatestPostsFragment extends BaseFragment implements LatestPostsAdap |
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} |
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} |
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}); |
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progressBar = rootView.findViewById(R.id.progressBar); |
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return rootView; |
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} |
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@Override |
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public void onLoadMore() { |
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if (pagesLoaded < numberOfPages) { |
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parsedTopicSummaries.add(null); |
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latestPostsAdapter.notifyItemInserted(parsedTopicSummaries.size() - 1); |
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//Load data
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profileLatestPostsTask = new LatestPostsTask(); |
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profileLatestPostsTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, profileUrl + ";sa=showPosts;start=" + pagesLoaded * 15); |
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++pagesLoaded; |
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pagesLoaded++; |
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} |
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} |
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@ -148,6 +142,14 @@ public class LatestPostsFragment extends BaseFragment implements LatestPostsAdap |
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void onLatestPostsFragmentInteraction(PostSummary postSummary); |
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} |
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public interface OnLoadingListener { |
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void onLoadingLatestPosts(boolean loading); |
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} |
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public void setOnLoadingListener(OnLoadingListener onLoadingListener) { |
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this.onLoadingListener = onLoadingListener; |
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} |
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/** |
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* An {@link AsyncTask} that handles asynchronous fetching of a profile page and parsing this |
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* user's latest posts. |
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@ -155,8 +157,16 @@ public class LatestPostsFragment extends BaseFragment implements LatestPostsAdap |
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* parameter!</p> |
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*/ |
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private class LatestPostsTask extends AsyncTask<String, Void, Boolean> { |
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private ArrayList<PostSummary> fetchedParsedTopicSummaries; |
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@Override |
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protected void onPreExecute() { |
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if (!isLoadingMore) progressBar.setVisibility(ProgressBar.VISIBLE); |
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onLoadingListener.onLoadingLatestPosts(true); |
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} |
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public LatestPostsTask() { |
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super(); |
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fetchedParsedTopicSummaries = new ArrayList<>(); |
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} |
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protected Boolean doInBackground(String... profileUrl) { |
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@ -177,10 +187,12 @@ public class LatestPostsFragment extends BaseFragment implements LatestPostsAdap |
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protected void onPostExecute(Boolean result) { |
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if (Boolean.FALSE.equals(result)) |
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Timber.e(new ParseException("Parsing failed (latest posts)"),"ParseException"); //TODO: This is inaccurate (e.g. can also have an I/O cause)
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progressBar.setVisibility(ProgressBar.INVISIBLE); |
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int prevSize = parsedTopicSummaries.size(); |
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parsedTopicSummaries.addAll(fetchedParsedTopicSummaries); |
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latestPostsAdapter.notifyItemRangeInserted(prevSize, parsedTopicSummaries.size() - prevSize); |
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latestPostsAdapter.notifyDataSetChanged(); |
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isLoadingMore = false; |
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onLoadingListener.onLoadingLatestPosts(false); |
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} |
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//TODO: better parse error handling (ParseException etc.)
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@ -192,14 +204,10 @@ public class LatestPostsFragment extends BaseFragment implements LatestPostsAdap |
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latestPostsRows = latestPostsPage. |
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select("td:has(table:Contains(Εμφάνιση μηνυμάτων)):not([style]) > table"); |
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//Removes loading item
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if (isLoadingMore) |
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parsedTopicSummaries.remove(parsedTopicSummaries.size() - 1); |
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if (!latestPostsRows.select("td:contains(Sorry, no matches were found)").isEmpty() || |
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!latestPostsRows.select("td:contains(Δυστυχώς δεν βρέθηκε τίποτα)").isEmpty()){ |
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userHasPosts = false; |
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parsedTopicSummaries.add(null); |
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fetchedParsedTopicSummaries.add(null); |
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return true; |
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} |
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@ -228,7 +236,7 @@ public class LatestPostsFragment extends BaseFragment implements LatestPostsAdap |
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//style.css
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pPost = ("<link rel=\"stylesheet\" type=\"text/css\" href=\"style.css\" />" + pPost); |
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parsedTopicSummaries.add(new PostSummary(pTopicUrl, pTopicTitle, pDateTime, pPost)); |
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fetchedParsedTopicSummaries.add(new PostSummary(pTopicUrl, pTopicTitle, pDateTime, pPost)); |
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} |
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} |
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return true; |
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Ezerous
4 years ago