implement sidemenu in the room

app/build.gradle

@@ -92,6 +92,7 @@ dependencies {
 
   compile rootProject.ext.timber
   compile 'com.jakewharton.rxbinding:rxbinding:0.4.0'
+  compile 'com.jakewharton.rxbinding:rxbinding-support-v4:0.4.0'
 
   compile 'com.trello:rxlifecycle:1.0'
   compile 'com.trello:rxlifecycle-android:1.0'

app/src/main/java/chat/rocket/android/fragment/chatroom/RoomFragment.java

@@ -2,8 +2,13 @@ package chat.rocket.android.fragment.chatroom;
 
 import android.os.Bundle;
 import android.support.annotation.Nullable;
+import android.support.v4.view.GravityCompat;
+import android.support.v4.widget.DrawerLayout;
+import android.support.v4.widget.SlidingPaneLayout;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
+import android.view.View;
+import android.widget.Toast;
 import chat.rocket.android.R;
 import chat.rocket.android.helper.LoadMoreScrollListener;
 import chat.rocket.android.helper.LogcatIfError;
@@ -17,7 +22,9 @@ import chat.rocket.android.realm_helper.RealmHelper;
 import chat.rocket.android.realm_helper.RealmObjectObserver;
 import chat.rocket.android.realm_helper.RealmStore;
 import chat.rocket.android.service.RocketChatService;
+import com.jakewharton.rxbinding.support.v4.widget.RxDrawerLayout;
 import io.realm.Sort;
+import java.lang.reflect.Field;
 import org.json.JSONObject;
 import timber.log.Timber;
 
@@ -96,6 +103,39 @@ public class RoomFragment extends AbstractChatRoomFragment {
       }
     };
     listView.addOnScrollListener(scrollListener);
+
+    setupSideMenu();
+  }
+
+  private void setupSideMenu() {
+    View sidemenu = rootView.findViewById(R.id.room_side_menu);
+    sidemenu.findViewById(R.id.btn_users).setOnClickListener(view -> {
+      Toast.makeText(view.getContext(), "not implemented yet.", Toast.LENGTH_SHORT).show();
+      closeSideMenuIfNeeded();
+    });
+
+    DrawerLayout drawerLayout = (DrawerLayout) rootView.findViewById(R.id.drawer_layout);
+    SlidingPaneLayout pane = (SlidingPaneLayout) getActivity().findViewById(R.id.sliding_pane);
+    if (drawerLayout != null && pane != null) {
+      RxDrawerLayout.drawerOpen(drawerLayout, GravityCompat.END)
+          .compose(bindToLifecycle())
+          .subscribe(opened -> {
+            try {
+              Field fieldSlidable = pane.getClass().getDeclaredField("mCanSlide");
+              fieldSlidable.setAccessible(true);
+              fieldSlidable.setBoolean(pane, !opened);
+            } catch (Exception exception) {
+              Timber.w(exception);
+            }
+          });
+    }
+  }
+
+  private void closeSideMenuIfNeeded() {
+    DrawerLayout drawerLayout = (DrawerLayout) rootView.findViewById(R.id.drawer_layout);
+    if (drawerLayout != null && drawerLayout.isDrawerOpen(GravityCompat.END)) {
+      drawerLayout.closeDrawer(GravityCompat.END);
+    }
   }
 
   private void onRenderRoom(RoomSubscription roomSubscription) {
@@ -160,6 +200,7 @@ public class RoomFragment extends AbstractChatRoomFragment {
     super.onResume();
     roomObserver.sub();
     procedureObserver.sub();
+    closeSideMenuIfNeeded();
   }
 
   @Override public void onPause() {

app/src/main/res/layout-w720dp/fragment_room.xml

+<?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="horizontal">
+
+  <include layout="@layout/fragment_room_main"/>
+
+  <include layout="@layout/room_side_menu"/>
+</LinearLayout>
\ No newline at end of file

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

 <?xml version="1.0" encoding="utf-8"?>
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<android.support.v4.widget.DrawerLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/drawer_layout"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    >
 
-  <android.support.v7.widget.RecyclerView
-      android:id="@+id/recyclerview"
+  <include layout="@layout/fragment_room_main"/>
+
+  <FrameLayout
       android:layout_width="match_parent"
       android:layout_height="match_parent"
-      />
-
-  <android.support.design.widget.FloatingActionButton
-      android:id="@+id/fab_compose"
-      android:layout_width="wrap_content"
-      android:layout_height="wrap_content"
-      android:layout_gravity="end|bottom"
-      android:layout_margin="@dimen/margin_16"
-      />
-</FrameLayout>
\ No newline at end of file
+      android:layout_gravity="end"
+      android:clickable="true"
+      android:theme="@style/AppTheme.Dark"
+      >
+    <include layout="@layout/room_side_menu"/>
+  </FrameLayout>
+</android.support.v4.widget.DrawerLayout>
\ No newline at end of file

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

+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    >
+
+  <android.support.v7.widget.RecyclerView
+      android:id="@+id/recyclerview"
+      android:layout_width="match_parent"
+      android:layout_height="match_parent"
+      />
+
+  <android.support.design.widget.FloatingActionButton
+      android:id="@+id/fab_compose"
+      android:layout_width="wrap_content"
+      android:layout_height="wrap_content"
+      android:layout_gravity="end|bottom"
+      android:layout_margin="@dimen/margin_16"
+      />
+</FrameLayout>
\ No newline at end of file

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

+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/room_side_menu"
+    android:layout_width="48dp"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:layout_gravity="end"
+    >
+
+  <chat.rocket.android.widget.FontAwesomeButton
+      android:layout_width="48dp"
+      android:layout_height="48dp"
+      android:textSize="24dp"
+      android:text="@string/fa_search"
+      android:enabled="false"
+      />
+  <chat.rocket.android.widget.FontAwesomeButton
+      android:id="@+id/btn_users"
+      android:layout_width="48dp"
+      android:layout_height="48dp"
+      android:textSize="24dp"
+      android:text="@string/fa_users"
+      />
+  <chat.rocket.android.widget.FontAwesomeButton
+      android:layout_width="48dp"
+      android:layout_height="48dp"
+      android:textSize="24dp"
+      android:text="@string/fa_at"
+      android:enabled="false"
+      />
+
+</LinearLayout>
\ No newline at end of file

app/src/main/res/values/fa_strings.xml

@@ -5,4 +5,8 @@
   <string name="fa_github" translatable="false">&#xf09b;</string>
   <string name="fa_plus" translatable="false">&#xf067;</string>
   <string name="fa_sign_out" translatable="false">&#xf08b;</string>
+
+  <string name="fa_search" translatable="false">&#xf002;</string>
+  <string name="fa_users" translatable="false">&#xf0c0;</string>
+  <string name="fa_at" translatable="false">&#xf1fa;</string>
 </resources>
\ No newline at end of file