add ability to browse inbox

app/src/main/java/gr/thmmy/mthmmy/activities/inbox/InboxActivity.java

@@ -3,6 +3,7 @@ package gr.thmmy.mthmmy.activities.inbox;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.ImageButton;
+import android.widget.ProgressBar;
 import android.widget.TextView;
 import android.widget.Toast;
 
@@ -14,6 +15,7 @@ import androidx.recyclerview.widget.RecyclerView;
 
 import gr.thmmy.mthmmy.R;
 import gr.thmmy.mthmmy.base.BaseActivity;
+import gr.thmmy.mthmmy.pagination.BottomPaginationView;
 import gr.thmmy.mthmmy.utils.NetworkResultCodes;
 import gr.thmmy.mthmmy.viewmodel.InboxViewModel;
 import me.zhanghai.android.materialprogressbar.MaterialProgressBar;
@@ -26,6 +28,7 @@ public class InboxActivity extends BaseActivity {
     private MaterialProgressBar progressBar;
     private RecyclerView pmRecyclerview;
     private InboxAdapter inboxAdapter;
+    private BottomPaginationView bottomPagination;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -50,15 +53,20 @@ public class InboxActivity extends BaseActivity {
         pmRecyclerview.setLayoutManager(layoutManager);
         inboxAdapter = new InboxAdapter(this);
         pmRecyclerview.setAdapter(inboxAdapter);
+        bottomPagination = findViewById(R.id.bottom_pagination);
 
-        inboxViewModel =new ViewModelProvider(this).get(InboxViewModel.class);
+        inboxViewModel = new ViewModelProvider(this).get(InboxViewModel.class);
+        bottomPagination.setOnPageRequestedListener(inboxViewModel);
         subscribeUI();
 
         inboxViewModel.loadInbox();
     }
 
     private void subscribeUI() {
-        inboxViewModel.setOnInboxTaskStartedListener(() -> progressBar.setVisibility(View.VISIBLE));
+        inboxViewModel.setOnInboxTaskStartedListener(() -> {
+            progressBar.setVisibility(View.VISIBLE);
+            Timber.d("inbox task started");
+        });
         inboxViewModel.setOnInboxTaskFinishedListener((resultCode, inbox) -> {
             progressBar.setVisibility(View.INVISIBLE);
             if (resultCode == NetworkResultCodes.SUCCESSFUL) {
@@ -70,5 +78,17 @@ public class InboxActivity extends BaseActivity {
                 finish();
             }
         });
+        inboxViewModel.setOnInboxTaskCancelledListener(() -> {
+            progressBar.setVisibility(ProgressBar.GONE);
+            Timber.d("inbox task cancelled");
+        });
+        inboxViewModel.getPageIndicatorIndex().observe(this, pageIndicatorIndex -> {
+            if (pageIndicatorIndex == null) return;
+            bottomPagination.setIndicatedPageIndex(pageIndicatorIndex);
+        });
+        inboxViewModel.getPageCount().observe(this, pageCount -> {
+            if (pageCount == null) return;
+            bottomPagination.setTotalPageCount(pageCount);
+        });
     }
 }

app/src/main/java/gr/thmmy/mthmmy/activities/inbox/tasks/InboxTask.java

@@ -27,8 +27,8 @@ public class InboxTask extends NewParseTask<Inbox> {
 
         ParseHelpers.Language language = ParseHelpers.Language.getLanguage(document);
 
-        inbox.setCurrentPageIndex(ParseHelpers.parseCurrentPageIndex(document, language));
+        inbox.setCurrentPageIndex(ParseHelpers.parseCurrentPageIndexInbox(document, language));
-        inbox.setNumberOfPages(ParseHelpers.parseNumberOfPages(document, inbox.getCurrentPageIndex(), language));
+        inbox.setNumberOfPages(ParseHelpers.parseNumberOfPagesInbox(document, inbox.getCurrentPageIndex(), language));
 
         ArrayList<PM> pmList = parsePMs(document, language);
         inbox.setPms(pmList);

app/src/main/java/gr/thmmy/mthmmy/pagination/BottomPaginationView.java

@@ -110,10 +110,10 @@ public class BottomPaginationView extends LinearLayout {
         public void run() {
             long REPEAT_DELAY = 250;
             if (autoIncrement) {
-                setIndicatedPageIndex(indicatorPageIndex+step);
+                incrementPageIndicator(step);
                 repeatUpdateHandler.postDelayed(new BottomPaginationView.RepetitiveUpdater(step), REPEAT_DELAY);
             } else if (autoDecrement) {
-                setIndicatedPageIndex(indicatorPageIndex-step);
+                decrementPageIndicator(step);
                 repeatUpdateHandler.postDelayed(new BottomPaginationView.RepetitiveUpdater(step), REPEAT_DELAY);
             }
         }

app/src/main/java/gr/thmmy/mthmmy/utils/parsing/ParseHelpers.java

@@ -247,6 +247,34 @@ public class ParseHelpers {
         return returnPages;
     }
 
+    public static int parseNumberOfPagesInbox(Document topic, int currentPage, ParseHelpers.Language language) {
+        int returnPages = 1;
+
+        if (language == ParseHelpers.Language.GREEK) {
+            Elements pages = topic.select("div:contains(Σελίδες:)>a.navPages");
+
+            if (pages.size() != 0) {
+                returnPages = currentPage;
+                for (Element item : pages) {
+                    if (Integer.parseInt(item.text()) > returnPages)
+                        returnPages = Integer.parseInt(item.text());
+                }
+            }
+        } else {
+            Elements pages = topic.select("div:contains(Pages:)>a.navPages");
+
+            if (pages.size() != 0) {
+                returnPages = currentPage;
+                for (Element item : pages) {
+                    if (Integer.parseInt(item.text()) > returnPages)
+                        returnPages = Integer.parseInt(item.text());
+                }
+            }
+        }
+
+        return returnPages;
+    }
+
     /**
      * Returns current pages's page index.
      *
@@ -284,6 +312,33 @@ public class ParseHelpers {
         return parsedPage;
     }
 
+    public static int parseCurrentPageIndexInbox(Document topic, ParseHelpers.Language language) {
+        int parsedPage = 1;
+
+        if (language == ParseHelpers.Language.GREEK) {
+            Elements findCurrentPage = topic.select("div:contains(Σελίδες:)>b");
+
+            for (Element item : findCurrentPage) {
+                if (!item.text().contains("...")
+                        && !item.text().contains("Σελίδες:")) {
+                    parsedPage = Integer.parseInt(item.text());
+                    break;
+                }
+            }
+        } else {
+            Elements findCurrentPage = topic.select("div:contains(Pages:)>b");
+
+            for (Element item : findCurrentPage) {
+                if (!item.text().contains("...") && !item.text().contains("Pages:")) {
+                    parsedPage = Integer.parseInt(item.text());
+                    break;
+                }
+            }
+        }
+
+        return parsedPage;
+    }
+
     /**
      * Method that replaces CloudFlare-obfuscated emails with deobfuscated ones
      * Replace Jsoup.parse with this wherever needed

app/src/main/java/gr/thmmy/mthmmy/viewmodel/InboxViewModel.java

@@ -1,5 +1,8 @@
 package gr.thmmy.mthmmy.viewmodel;
 
+import android.os.AsyncTask;
+
+import androidx.lifecycle.MutableLiveData;
 import androidx.lifecycle.ViewModel;
 
 import java.util.ArrayList;
@@ -7,26 +10,52 @@ import java.util.ArrayList;
 import gr.thmmy.mthmmy.activities.inbox.tasks.InboxTask;
 import gr.thmmy.mthmmy.model.Inbox;
 import gr.thmmy.mthmmy.model.PM;
+import gr.thmmy.mthmmy.pagination.BottomPaginationView;
+import gr.thmmy.mthmmy.utils.ExternalAsyncTask;
 import gr.thmmy.mthmmy.utils.NetworkResultCodes;
+import timber.log.Timber;
 
-public class InboxViewModel extends ViewModel implements InboxTask.OnNetworkTaskFinishedListener<Inbox> {
+public class InboxViewModel extends ViewModel implements InboxTask.OnNetworkTaskFinishedListener<Inbox>,
+        BottomPaginationView.OnPageRequestedListener {
     private static final String INBOX_URL = "https://www.thmmy.gr/smf/index.php?action=pm";
     /**
      * caches the expand/collapse state of the user extra info in the current page for the recyclerview
      */
     private ArrayList<Boolean> userExtraInfoVisibile = new ArrayList<>();
 
+    private MutableLiveData<Integer> pageIndicatorIndex = new MutableLiveData<>();
+    private MutableLiveData<Integer> pageCount = new MutableLiveData<>();
+
     private InboxTask currentInboxTask;
 
     private Inbox inbox;
     private InboxTask.OnNetworkTaskFinishedListener<Inbox> onInboxTaskFinishedListener;
     private InboxTask.OnTaskStartedListener onInboxTaskStartedListener;
+    private InboxTask.OnTaskCancelledListener onInboxTaskCancelledListener;
 
     public void loadInbox() {
+        loadUrl(INBOX_URL);
+    }
+
+    public void loadInboxPage(int index) {
+        loadUrl(INBOX_URL + ";f=inbox;sort=date;start=" + 15*(index-1));
+    }
+
+    public void loadUrl(String url) {
+        stopLoading();
         currentInboxTask = new InboxTask();
         currentInboxTask.setOnTaskStartedListener(onInboxTaskStartedListener);
         currentInboxTask.setOnNetworkTaskFinishedListener(this);
-        currentInboxTask.execute(INBOX_URL);
+        currentInboxTask.setOnTaskCancelledListener(onInboxTaskCancelledListener);
+        currentInboxTask.execute(url);
+    }
+
+    public void stopLoading() {
+        if (currentInboxTask != null && currentInboxTask.getStatus() == AsyncTask.Status.RUNNING) {
+            Timber.i("Canceling inbox task");
+            currentInboxTask.cancel(true);
+            onInboxTaskCancelledListener.onTaskCanceled();
+        }
     }
 
     public void setOnInboxTaskFinishedListener(InboxTask.OnNetworkTaskFinishedListener<Inbox> onInboxTaskFinishedListener) {
@@ -37,6 +66,12 @@ public class InboxViewModel extends ViewModel implements InboxTask.OnNetworkTask
         this.onInboxTaskStartedListener = onInboxTaskStartedListener;
     }
 
+    @Override
+    public void onPageRequested(int index) {
+        pageIndicatorIndex.setValue(index);
+        loadInboxPage(index);
+    }
+
     @Override
     public void onNetworkTaskFinished(int resultCode, Inbox inbox) {
         this.inbox = inbox;
@@ -45,13 +80,28 @@ public class InboxViewModel extends ViewModel implements InboxTask.OnNetworkTask
             userExtraInfoVisibile.clear();
             for (PM pm : inbox.getPms())
                 userExtraInfoVisibile.add(false);
+
+            pageIndicatorIndex.setValue(inbox.getCurrentPageIndex());
+            pageCount.setValue(inbox.getNumberOfPages());
         }
     }
 
+    public void setOnInboxTaskCancelledListener(InboxTask.OnTaskCancelledListener onInboxTaskCancelledListener) {
+        this.onInboxTaskCancelledListener = onInboxTaskCancelledListener;
+    }
+
     public Inbox getInbox() {
         return inbox;
     }
 
+    public MutableLiveData<Integer> getPageCount() {
+        return pageCount;
+    }
+
+    public MutableLiveData<Integer> getPageIndicatorIndex() {
+        return pageIndicatorIndex;
+    }
+
     public boolean isUserExtraInfoVisible(int position) {
         return userExtraInfoVisibile.get(position);
     }

app/src/main/java/gr/thmmy/mthmmy/viewmodel/TopicViewModel.java

@@ -267,6 +267,7 @@ public class TopicViewModel extends BaseViewModel implements TopicTask.OnTopicTa
         //sets Data
         if (result.getResultCode() == TopicTask.ResultCode.SUCCESS) {
             currentPageIndex = result.getCurrentPageIndex();
+            pageIndicatorIndex.setValue(result.getCurrentPageIndex());
             pageCount.setValue(result.getPageCount());
             topicTreeAndMods.setValue(result.getTopicTreeAndMods());
             topicViewers.setValue(result.getTopicViewers());

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

@@ -48,63 +48,14 @@
             tools:listitem="@layout/activity_inbox_pm_row" />
     </RelativeLayout>
 
-    <LinearLayout
+    <gr.thmmy.mthmmy.pagination.BottomPaginationView
-        android:id="@+id/bottom_navigation_bar"
+        android:id="@+id/bottom_pagination"
         android:layout_width="match_parent"
         android:layout_height="50dp"
         android:layout_gravity="bottom|end"
         android:background="@color/primary"
         app:elevation="8dp"
-        app:layout_behavior="gr.thmmy.mthmmy.utils.ScrollAwareLinearBehavior">
+        app:layout_behavior="gr.thmmy.mthmmy.utils.ScrollAwareLinearBehavior"/>
-
-        <ImageButton
-            android:id="@+id/page_first_button"
-            android:layout_width="wrap_content"
-            android:layout_height="match_parent"
-            android:layout_weight="0.8"
-            android:background="?attr/selectableItemBackgroundBorderless"
-            android:contentDescription="@string/button_first"
-            app:srcCompat="@drawable/page_first" />
-
-        <ImageButton
-            android:id="@+id/page_previous_button"
-            android:layout_width="wrap_content"
-            android:layout_height="match_parent"
-            android:layout_weight="0.8"
-            android:background="?attr/selectableItemBackgroundBorderless"
-            android:contentDescription="@string/button_previous"
-            app:srcCompat="@drawable/page_previous" />
-
-        <TextView
-            android:id="@+id/page_indicator"
-            android:layout_width="wrap_content"
-            android:layout_height="match_parent"
-            android:layout_gravity="center"
-            android:layout_weight="1"
-            android:gravity="center"
-            android:hint="@string/button_page"
-            android:maxLines="1"
-            android:textColor="@color/white"
-            android:textSize="22sp" />
-
-        <ImageButton
-            android:id="@+id/page_next_button"
-            android:layout_width="wrap_content"
-            android:layout_height="match_parent"
-            android:layout_weight="0.8"
-            android:background="?attr/selectableItemBackgroundBorderless"
-            android:contentDescription="@string/button_next"
-            app:srcCompat="@drawable/page_next" />
-
-        <ImageButton
-            android:id="@+id/page_last_button"
-            android:layout_width="wrap_content"
-            android:layout_height="match_parent"
-            android:layout_weight="0.8"
-            android:background="?attr/selectableItemBackgroundBorderless"
-            android:contentDescription="@string/button_last"
-            app:srcCompat="@drawable/page_last" />
-    </LinearLayout>
 
     <com.google.android.material.floatingactionbutton.FloatingActionButton
         android:id="@+id/send_pm_fab"