Add setting icon on the "Watching threads" header item.

Clover/app/src/main/java/org/floens/chan/ui/adapter/PinAdapter.java

@@ -42,7 +42,7 @@ public class PinAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> im
     public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
         switch (viewType) {
             case TYPE_HEADER:
-                return new PinHeaderHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.cell_header, parent, false));
+                return new HeaderHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.cell_header, parent, false));
             case TYPE_PIN:
                 return new PinViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.cell_pin, parent, false));
             case TYPE_LINK:
@@ -55,7 +55,10 @@ public class PinAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> im
     public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
         switch (holder.getItemViewType()) {
             case TYPE_HEADER:
-                ((PinHeaderHolder) holder).text.setText(R.string.drawer_pinned);
+                HeaderHolder headerHolder = (HeaderHolder) holder;
+                headerHolder.text.setText(R.string.drawer_pinned);
+                headerHolder.image.setImageResource(R.drawable.ic_settings_grey600_24dp);
+
                 break;
             case TYPE_PIN:
                 final Pin pin = pins.get(position - PIN_OFFSET);
@@ -259,13 +262,26 @@ public class PinAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> im
         }
     }
 
-    public class PinHeaderHolder extends RecyclerView.ViewHolder {
+    public class HeaderHolder extends RecyclerView.ViewHolder {
         private TextView text;
+        private ImageView image;
 
-        public PinHeaderHolder(View itemView) {
+        public HeaderHolder(View itemView) {
             super(itemView);
             text = (TextView) itemView.findViewById(R.id.text);
             text.setTypeface(ROBOTO_MEDIUM);
+            image = (ImageView) itemView.findViewById(R.id.image);
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+                image.setBackground(getAttrDrawable(itemView.getContext(), android.R.attr.selectableItemBackgroundBorderless));
+            } else {
+                image.setBackgroundResource(R.drawable.gray_background_selector);
+            }
+            image.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    callback.onHeaderClicked(HeaderHolder.this);
+                }
+            });
         }
     }
 
@@ -293,6 +309,8 @@ public class PinAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> im
 
         void onWatchCountClicked(Pin pin);
 
+        void onHeaderClicked(HeaderHolder holder);
+
         boolean isHighlighted(Pin pin);
     }
 }

Clover/app/src/main/java/org/floens/chan/ui/controller/RootNavigationController.java

@@ -155,6 +155,11 @@ public class RootNavigationController extends NavigationController implements Pi
         ChanApplication.getWatchManager().toggleWatch(pin);
     }
 
+    @Override
+    public void onHeaderClicked(PinAdapter.HeaderHolder holder) {
+        pushController(new WatchSettingsController(context));
+    }
+
     public void onEvent(WatchManager.PinAddedMessage message) {
         pinAdapter.onPinAdded(message.pin);
         drawerLayout.openDrawer(drawer);

Clover/app/src/main/java/org/floens/chan/ui/controller/WatchSettingsController.java

@@ -62,7 +62,9 @@ public class WatchSettingsController extends SettingsController implements Compo
     @Override
     public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
         ChanSettings.watchEnabled.set(isChecked);
-        ((WatchSettingControllerListener) previousSiblingController).onWatchEnabledChanged(isChecked);
+        if (previousSiblingController instanceof WatchSettingControllerListener) {
+            ((WatchSettingControllerListener) previousSiblingController).onWatchEnabledChanged(isChecked);
+        }
         crossfadeView.toggle(isChecked, true);
     }
 

Clover/app/src/main/res/layout/cell_header.xml

@@ -6,8 +6,9 @@
 
     <TextView
         android:id="@+id/text"
-        android:layout_width="match_parent"
+        android:layout_width="0dp"
         android:layout_height="match_parent"
+        android:layout_weight="1"
         android:ellipsize="end"
         android:gravity="center_vertical"
         android:paddingLeft="16dp"
@@ -16,4 +17,13 @@
         android:textColor="#ff757575"
         android:textSize="14sp" />
 
+    <ImageView
+        android:id="@+id/image"
+        android:layout_width="56dp"
+        android:layout_height="match_parent"
+        android:paddingLeft="16dp"
+        android:paddingRight="16dp"
+        android:scaleType="center"
+        android:layout_gravity="center_vertical" />
+
 </LinearLayout>