Almost showing a chapter reader

app/src/main/java/eu/kanade/mangafeed/ui/adapter/ChapterListHolder.java

@@ -20,12 +20,29 @@ public class ChapterListHolder extends ItemViewHolder<Chapter> {
     @ViewId(R.id.chapter_download_image)
     ImageView download_icon;
 
+    View view;
+
     public ChapterListHolder(View view) {
         super(view);
+        this.view = view;
     }
 
     public void onSetValues(Chapter chapter, PositionInfo positionInfo) {
         title.setText(chapter.name);
         download_icon.setImageResource(R.drawable.ic_file_download_black_48dp);
     }
+
+    @Override
+    public void onSetListeners() {
+        view.setOnClickListener(view -> {
+            ChapterListener listener = getListener(ChapterListener.class);
+            if (listener != null) {
+                listener.onRowClicked(getItem());
+            }
+        });
+    }
+
+    public interface ChapterListener {
+        void onRowClicked(Chapter chapter);
+    }
 }

app/src/main/java/eu/kanade/mangafeed/ui/adapter/SmartFragmentStatePagerAdapter.java

@@ -0,0 +1,36 @@
+package eu.kanade.mangafeed.ui.adapter;
+
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentManager;
+import android.support.v4.app.FragmentStatePagerAdapter;
+import android.util.SparseArray;
+import android.view.ViewGroup;
+
+public abstract class SmartFragmentStatePagerAdapter extends FragmentStatePagerAdapter {
+    // Sparse array to keep track of registered fragments in memory
+    private SparseArray<Fragment> registeredFragments = new SparseArray<Fragment>();
+
+    public SmartFragmentStatePagerAdapter(FragmentManager fragmentManager) {
+        super(fragmentManager);
+    }
+
+    // Register the fragment when the item is instantiated
+    @Override
+    public Object instantiateItem(ViewGroup container, int position) {
+        Fragment fragment = (Fragment) super.instantiateItem(container, position);
+        registeredFragments.put(position, fragment);
+        return fragment;
+    }
+
+    // Unregister when the item is inactive
+    @Override
+    public void destroyItem(ViewGroup container, int position, Object object) {
+        registeredFragments.remove(position);
+        super.destroyItem(container, position, object);
+    }
+
+    // Returns the fragment for the position (if instantiated)
+    public Fragment getRegisteredFragment(int position) {
+        return registeredFragments.get(position);
+    }
+}

app/src/main/java/eu/kanade/mangafeed/ui/adapter/ViewerPageAdapter.java

@@ -0,0 +1,39 @@
+package eu.kanade.mangafeed.ui.adapter;
+
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentManager;
+
+import java.util.List;
+
+import eu.kanade.mangafeed.ui.fragment.ViewerPageFragment;
+
+public class ViewerPageAdapter extends SmartFragmentStatePagerAdapter {
+
+    private List<String> imageUrls;
+
+    public ViewerPageAdapter(FragmentManager fragmentManager) {
+        super(fragmentManager);
+    }
+
+    @Override
+    public int getCount() {
+        if (imageUrls != null)
+            return imageUrls.size();
+
+        return 0;
+    }
+
+    @Override
+    public Fragment getItem(int position) {
+        return ViewerPageFragment.newInstance(imageUrls.get(position), position);
+    }
+
+    public List<String> getImageUrls() {
+        return imageUrls;
+    }
+
+    public void setImageUrls(List<String> imageUrls) {
+        this.imageUrls = imageUrls;
+    }
+
+}