Work in progress: latest posts tab init

app/src/main/java/gr/thmmy/mthmmy/activities/profile/ProfileActivity.java

@@ -33,6 +33,7 @@ import javax.net.ssl.SSLHandshakeException;
 import gr.thmmy.mthmmy.R;
 import gr.thmmy.mthmmy.activities.LoginActivity;
 import gr.thmmy.mthmmy.activities.base.BaseActivity;
+import gr.thmmy.mthmmy.activities.profile.latestPosts.LatestPostsFragment;
 import gr.thmmy.mthmmy.activities.profile.summary.SummaryFragment;
 import gr.thmmy.mthmmy.utils.CircleTransform;
 import me.zhanghai.android.materialprogressbar.MaterialProgressBar;
@@ -73,6 +74,7 @@ public class ProfileActivity extends BaseActivity {
     private static final int THUMBNAIL_SIZE = 200;
     private ProfileTask profileTask;
     private String personalText;
+    private String profileUrl;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -82,6 +84,7 @@ public class ProfileActivity extends BaseActivity {
         Bundle extras = getIntent().getExtras();
         String thumbnailUrl = extras.getString(BUNDLE_THUMBNAIL_URL);
         String username = extras.getString(BUNDLE_USERNAME);
+        profileUrl = extras.getString(BUNDLE_PROFILE_URL);
 
         //Initializes graphic elements
         toolbar = (Toolbar) findViewById(R.id.toolbar);
@@ -146,7 +149,7 @@ public class ProfileActivity extends BaseActivity {
         });
 
         profileTask = new ProfileTask();
-        profileTask.execute(extras.getString(BUNDLE_PROFILE_URL)); //Attempt data parsing
+        profileTask.execute(profileUrl); //Attempt data parsing
     }
 
     @Override
@@ -235,7 +238,7 @@ public class ProfileActivity extends BaseActivity {
     private void setupViewPager(ViewPager viewPager, Document profilePage) {
         ViewPagerAdapter adapter = new ViewPagerAdapter(getSupportFragmentManager());
         adapter.addFrag(SummaryFragment.newInstance(profilePage), "SUMMARY");
-        //adapter.addFrag(new );
+        adapter.addFrag(LatestPostsFragment.newInstance(profileUrl), "LATEST POSTS");
         //adapter.addFrag(new );
         viewPager.setAdapter(adapter);
     }

app/src/main/java/gr/thmmy/mthmmy/activities/profile/latestPosts/LatestPostsAdapter.java

@@ -1,8 +1,88 @@
 package gr.thmmy.mthmmy.activities.profile.latestPosts;
 
-/**
+import android.support.v7.widget.RecyclerView;
- * Created by apostolof on 1/1/17.
+import android.view.LayoutInflater;
- */
+import android.view.View;
+import android.view.ViewGroup;
+import android.webkit.WebView;
+import android.widget.ProgressBar;
+import android.widget.TextView;
 
-public class LatestPostsAdapter {
+import gr.thmmy.mthmmy.R;
-}
+import gr.thmmy.mthmmy.data.TopicSummary;
+
+import static gr.thmmy.mthmmy.activities.profile.latestPosts.LatestPostsFragment.parsedTopicSummaries;
+
+class LatestPostsAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
+    private final int VIEW_TYPE_ITEM = 0;
+    private final int VIEW_TYPE_LOADING = 1;
+    private OnLoadMoreListener mOnLoadMoreListener;
+
+    public interface OnLoadMoreListener {
+        void onLoadMore();
+    }
+
+    public void setOnLoadMoreListener(OnLoadMoreListener mOnLoadMoreListener) {
+        this.mOnLoadMoreListener = mOnLoadMoreListener;
+    }
+
+    @Override
+    public int getItemViewType(int position) {
+        return parsedTopicSummaries.get(position) == null ? VIEW_TYPE_LOADING : VIEW_TYPE_ITEM;
+    }
+
+    @Override
+    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        if (viewType == VIEW_TYPE_ITEM) {
+            View view = LayoutInflater.from(parent.getContext()).
+                    inflate(R.layout.profile_fragment_latest_posts_row, parent, false);
+            return new LatestPostViewHolder(view);
+        } else if (viewType == VIEW_TYPE_LOADING) {
+            View view = LayoutInflater.from(parent.getContext()).
+                    inflate(R.layout.recycler_loading_item, parent, false);
+            return new LoadingViewHolder(view);
+        }
+        return null;
+    }
+
+    @Override
+    public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
+        if (holder instanceof LatestPostViewHolder) {
+            TopicSummary topic = parsedTopicSummaries.get(position);
+            LatestPostViewHolder latestPostViewHolder = (LatestPostViewHolder) holder;
+            latestPostViewHolder.postTitle.setText(topic.getTitle());
+            latestPostViewHolder.postDate.setText(topic.getDateTimeModified());
+            //latestPostViewHolder.post.
+        } else if (holder instanceof LoadingViewHolder) {
+            LoadingViewHolder loadingViewHolder = (LoadingViewHolder) holder;
+            loadingViewHolder.progressBar.setIndeterminate(true);
+        }
+    }
+
+    @Override
+    public int getItemCount() {
+        return parsedTopicSummaries == null ? 0 : parsedTopicSummaries.size();
+    }
+
+    private static class LatestPostViewHolder extends RecyclerView.ViewHolder {
+        TextView postTitle;
+        TextView postDate;
+        WebView post;
+
+        LatestPostViewHolder(View itemView) {
+            super(itemView);
+            postTitle = (TextView) itemView.findViewById(R.id.title);
+            postDate = (TextView) itemView.findViewById(R.id.date);
+            post = (WebView) itemView.findViewById(R.id.post);
+        }
+    }
+
+    private static class LoadingViewHolder extends RecyclerView.ViewHolder {
+        ProgressBar progressBar;
+
+        LoadingViewHolder(View itemView) {
+            super(itemView);
+            progressBar = (ProgressBar) itemView.findViewById(R.id.progress_bar);
+        }
+    }
+}

app/src/main/java/gr/thmmy/mthmmy/activities/profile/latestPosts/LatestPostsFragment.java

@@ -1,8 +1,228 @@
 package gr.thmmy.mthmmy.activities.profile.latestPosts;
 
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ProgressBar;
+import android.widget.Toast;
+
+import org.jsoup.Jsoup;
+import org.jsoup.nodes.Document;
+import org.jsoup.nodes.Element;
+import org.jsoup.select.Elements;
+
+import java.util.ArrayList;
+
+import javax.net.ssl.SSLHandshakeException;
+
+import gr.thmmy.mthmmy.R;
+import gr.thmmy.mthmmy.activities.base.BaseActivity;
+import gr.thmmy.mthmmy.data.TopicSummary;
+import me.zhanghai.android.materialprogressbar.MaterialProgressBar;
+import mthmmy.utils.Report;
+import okhttp3.Request;
+import okhttp3.Response;
+
 /**
- * Created by apostolof on 1/1/17.
+ * Use the {@link LatestPostsFragment#newInstance} factory method to create an instance of this fragment.
  */
+public class LatestPostsFragment extends Fragment {
+    /**
+     * Debug Tag for logging debug output to LogCat
+     */
+    @SuppressWarnings("unused")
+    private static final String TAG = "LatestPostsFragment";
+    /**
+     * The key to use when putting profile's url String to {@link LatestPostsFragment}'s Bundle.
+     */
+    static final String PROFILE_URL = "PROFILE_DOCUMENT";
+    /**
+     * {@link ArrayList} of {@link TopicSummary} objects used to hold profile's latest posts. Data
+     * are added in {@link LatestPostsFragment.ProfileLatestPostsTask}.
+     */
+    static ArrayList<TopicSummary> parsedTopicSummaries;
+    private RecyclerView mainContent;
+    private LatestPostsAdapter latestPostsAdapter = new LatestPostsAdapter();
+    private int numberOfPages = -1;
+    private String profileUrl;
+    private ProfileLatestPostsTask profileLatestPostsTask;
+    private MaterialProgressBar progressBar;
+    private boolean isLoading;
+    static int visibleThreshold = 5;
+    private int lastVisibleItem, totalItemCount;
+
+    public LatestPostsFragment() {
+        // Required empty public constructor
+    }
+
+    /**
+     * Use ONLY this factory method to create a new instance of this fragment using the provided
+     * parameters.
+     *
+     * @param profileUrl String containing this profile's url
+     * @return A new instance of fragment Summary.
+     */
+    public static LatestPostsFragment newInstance(String profileUrl) {
+        LatestPostsFragment fragment = new LatestPostsFragment();
+        Bundle args = new Bundle();
+        args.putString(PROFILE_URL, profileUrl);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        profileUrl = getArguments().getString(PROFILE_URL);
+        parsedTopicSummaries = new ArrayList<>();
+    }
+
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        if (parsedTopicSummaries.isEmpty()) {
+            profileLatestPostsTask = new ProfileLatestPostsTask();
+            profileLatestPostsTask.execute(profileUrl);
+        }
+        Report.d(TAG, "onActivityCreated");
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        if (profileLatestPostsTask != null && profileLatestPostsTask.getStatus() != AsyncTask.Status.RUNNING)
+            profileLatestPostsTask.cancel(true);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        final View rootView = inflater.inflate(R.layout.profile_fragment_latest_posts, container, false);
+
+        mainContent = (RecyclerView) rootView.findViewById(R.id.profile_latest_posts_recycler);
+        mainContent.setAdapter(latestPostsAdapter);
+
+        final LatestPostsAdapter.OnLoadMoreListener onLoadMoreListener = new LatestPostsAdapter.OnLoadMoreListener() {
+            @Override
+            public void onLoadMore() {
+                parsedTopicSummaries.add(null);
+                latestPostsAdapter.notifyItemInserted(parsedTopicSummaries.size() - 1);
+
+                //Removes loading item
+                parsedTopicSummaries.remove(parsedTopicSummaries.size() - 1);
+                latestPostsAdapter.notifyItemRemoved(parsedTopicSummaries.size());
+
+                //Load data
+                profileLatestPostsTask = new ProfileLatestPostsTask();
+                profileLatestPostsTask.execute(profileUrl);
+            }
+        };
+
+        latestPostsAdapter.setOnLoadMoreListener(onLoadMoreListener);
+        final LinearLayoutManager linearLayoutManager = (LinearLayoutManager) mainContent.getLayoutManager();
+        mainContent.addOnScrollListener(new RecyclerView.OnScrollListener() {
+            @Override
+            public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
+                super.onScrolled(recyclerView, dx, dy);
+
+                totalItemCount = linearLayoutManager.getItemCount();
+                lastVisibleItem = linearLayoutManager.findLastVisibleItemPosition();
+
+                if (!isLoading && totalItemCount <= (lastVisibleItem + visibleThreshold)) {
+                    onLoadMoreListener.onLoadMore();
+                    isLoading = true;
+                }
+            }
+        });
+        progressBar = (MaterialProgressBar) rootView.findViewById(R.id.progressBar);
+        return rootView;
+    }
+
+    /**
+     * An {@link AsyncTask} that handles asynchronous fetching of a profile page and parsing this
+     * user's personal text.
+     * <p>ProfileTask's {@link AsyncTask#execute execute} method needs a profile's url as String
+     * parameter!</p>
+     */
+    public class ProfileLatestPostsTask extends AsyncTask<String, Void, Boolean> {
+        //Class variables
+        /**
+         * Debug Tag for logging debug output to LogCat
+         */
+        @SuppressWarnings("unused")
+        private static final String TAG = "ProfileLatestPostsTask"; //Separate tag for AsyncTask
+
+        protected void onPreExecute() {
+            progressBar.setVisibility(ProgressBar.VISIBLE);
+        }
+
+        protected Boolean doInBackground(String... profileUrl) {
+            String pageUrl = profileUrl[0] + ";sa=showPosts"; //Profile's page wap url
+
+            Request request = new Request.Builder()
+                    .url(pageUrl)
+                    .build();
+            try {
+                Response response = BaseActivity.getClient().newCall(request).execute();
+                return parseLatestPosts(Jsoup.parse(response.body().string()));
+            } catch (SSLHandshakeException e) {
+                Report.w(TAG, "Certificate problem (please switch to unsafe connection).");
+            } catch (Exception e) {
+                Report.e("TAG", "ERROR", e);
+            }
+            return false;
+        }
+
+        protected void onPostExecute(Boolean result) {
+            if (!result) { //Parse failed!
+                Toast.makeText(getContext()
+                        , "Fatal error!\n Aborting...", Toast.LENGTH_LONG).show();
+                getActivity().finish();
+            }
+            //Parse was successful
+            progressBar.setVisibility(ProgressBar.INVISIBLE);
+            latestPostsAdapter.notifyDataSetChanged();
+            isLoading = false;
+        }
+
+        private boolean parseLatestPosts(Document latestPostsPage) {
+            Elements latestPostsRows = latestPostsPage.
+                    select("td:has(table:Contains(Show Posts)):not([style]) > table");
+            if (latestPostsRows == null)
+                latestPostsRows = latestPostsPage.
+                        select("td:has(table:Contains(Show Posts)):not([style]) > table");
+
+            for (Element row : latestPostsRows) {
+                String pTopicUrl, pTopicTitle, pDateTime, pPost;
+
+                if (row.text().contains("Show Posts Pages: ") || row.text().contains("")) {
+                    if (numberOfPages == -1) {
+                        Elements pages = row.select("tr.catbg3 a");
+                        for (Element page : pages) {
+                            if (Integer.parseInt(page.text()) >= numberOfPages)
+                                numberOfPages = Integer.parseInt(page.text());
+                        }
+                    }
+                } else {
+                    Elements rowHeader = row.select("td.middletext");
+                    if (rowHeader.size() != 2) {
+                        return false;
+                    } else {
+                        pTopicTitle = rowHeader.text();
+                        pTopicUrl = rowHeader.first().select("a").last().attr("href");
+                        pDateTime = rowHeader.last().text();
+                    }
+                    pPost = rowHeader.select("div.post").first().html();
 
-public class LatestPostsFragment {
+                    parsedTopicSummaries.add(new TopicSummary(pTopicUrl, pTopicTitle, "", pDateTime, pPost));
+                }
+            }
+            return true;
+        }
+    }
 }

app/src/main/java/gr/thmmy/mthmmy/activities/profile/summary/SummaryFragment.java

@@ -40,7 +40,8 @@ public class SummaryFragment extends Fragment {
      */
     static final String PROFILE_DOCUMENT = "PROFILE_DOCUMENT";
     /**
-     * {@link ArrayList} of Strings used to hold profile's information. Data are added in {@link ProfileActivity.ProfileTask}.
+     * {@link ArrayList} of Strings used to hold profile's information. Data are added in
+     * {@link SummaryFragment.ProfileSummaryTask}.
      */
     private ArrayList<String> parsedProfileSummaryData;
     /**

app/src/main/java/gr/thmmy/mthmmy/data/TopicSummary.java

@@ -5,6 +5,7 @@ public class TopicSummary {
     private final String title;
     private final String lastUser;
     private final String dateTimeModified;
+    private final String post;
 
 
     public TopicSummary(String topicUrl, String title, String lastUser, String dateTimeModified) {
@@ -12,6 +13,16 @@ public class TopicSummary {
         this.title = title;
         this.lastUser = lastUser;
         this.dateTimeModified = dateTimeModified;
+        this.post = "";
+    }
+
+    public TopicSummary(String topicUrl, String title, String username, String dateTimeModified,
+                        String post) {
+        this.topicUrl = topicUrl;
+        this.title = title;
+        this.lastUser = username;
+        this.dateTimeModified = dateTimeModified;
+        this.post = post;
     }
 
     public String getTopicUrl() {
@@ -29,4 +40,6 @@ public class TopicSummary {
     public String getDateTimeModified() {
         return dateTimeModified;
     }
+
+    public String getPost(){ return post;}
 }

app/src/main/res/layout/profile_fragment_latest_posts.xml

@@ -1,7 +1,26 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<RelativeLayout
-              android:orientation="vertical"
+    xmlns:android="http://schemas.android.com/apk/res/android"
-              android:layout_width="match_parent"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
-              android:layout_height="match_parent">
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
 
-</LinearLayout>
+    <android.support.v7.widget.RecyclerView
+        android:id="@+id/profile_latest_posts_recycler"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="@color/background"
+        android:scrollbars="none">
+    </android.support.v7.widget.RecyclerView>
+
+    <me.zhanghai.android.materialprogressbar.MaterialProgressBar
+        android:id="@+id/progressBar"
+        style="@style/Widget.MaterialProgressBar.ProgressBar.Horizontal.NoPadding"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_alignParentTop="true"
+        android:indeterminate="true"
+        android:visibility="invisible"
+        app:mpb_indeterminateTint="@color/accent"
+        app:mpb_progressStyle="horizontal"/>
+</RelativeLayout>

app/src/main/res/layout/profile_fragment_latest_posts_row.xml

@@ -1,7 +1,44 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<RelativeLayout
-              android:orientation="vertical"
+    xmlns:android="http://schemas.android.com/apk/res/android"
-              android:layout_width="match_parent"
+    android:layout_width="match_parent"
-              android:layout_height="match_parent">
+    android:layout_height="wrap_content"
+    android:background="@color/primary_light"
+    android:clickable="true"
+    android:foreground="?android:attr/selectableItemBackground"
+    android:paddingBottom="6dp"
+    android:paddingLeft="10dp"
+    android:paddingRight="10dp"
+    android:paddingTop="6dp">
 
-</LinearLayout>
+    <TextView
+        android:id="@+id/title"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_alignParentStart="true"
+        android:layout_alignParentTop="true"
+        android:textAppearance="?attr/textAppearanceListItem"
+        android:textColor="@color/primary_text"/>
+
+    <TextView
+        android:id="@+id/date"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentStart="true"
+        android:layout_below="@+id/title"
+        android:textColor="@color/secondary_text"/>
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_alignParentStart="true"
+        android:layout_below="@+id/date">
+
+        <WebView
+            android:id="@+id/post"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:background="@color/card_background"
+            android:text="@string/post"/>
+    </FrameLayout>
+</RelativeLayout>

app/src/main/res/layout/recycler_loading_item.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <ProgressBar
+        android:id="@+id/progress_bar"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"/>
+</LinearLayout>