Use MediaSideScroll in PhotoFragment

app/src/main/kotlin/com/simplemobiletools/gallery/fragments/PhotoFragment.kt

@@ -30,6 +30,7 @@ import com.simplemobiletools.gallery.activities.ViewPagerActivity
 import com.simplemobiletools.gallery.extensions.*
 import com.simplemobiletools.gallery.helpers.GlideRotateTransformation
 import com.simplemobiletools.gallery.helpers.MEDIUM
+import com.simplemobiletools.gallery.helpers.MediaSideScroll
 import com.simplemobiletools.gallery.models.Medium
 import it.sephiroth.android.library.exif2.ExifInterface
 import kotlinx.android.synthetic.main.pager_photo_item.view.*
@@ -49,6 +50,8 @@ class PhotoFragment : ViewPagerFragment() {
     private var storedHideExtendedDetails = false
     private var storedExtendedDetails = 0
 
+    private lateinit var mediaSideScroll: MediaSideScroll
+
     lateinit var view: ViewGroup
     lateinit var medium: Medium
 
@@ -58,6 +61,10 @@ class PhotoFragment : ViewPagerFragment() {
             gif_view.setOnClickListener { photoClicked() }
             instant_prev_item.setOnClickListener { listener?.goToPrevItem() }
             instant_next_item.setOnClickListener { listener?.goToNextItem() }
+            photo_brightness_controller.setOnTouchListener { v, event ->
+                mediaSideScroll.handleBrightnessTouched(event)
+                true
+            }
         }
 
         storeStateVariables()
@@ -105,6 +112,11 @@ class PhotoFragment : ViewPagerFragment() {
         return view
     }
 
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        mediaSideScroll = MediaSideScroll(context!!, activity!!, view.slide_info, {})
+    }
+
     override fun onPause() {
         super.onPause()
         storeStateVariables()

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

@@ -31,6 +31,30 @@
         android:visibility="gone"
         tools:text="My image\nAnother line"/>
 
+    <RelativeLayout
+        android:id="@+id/photo_brightness_controller"
+        android:layout_width="@dimen/photo_side_slider_width"
+        android:layout_height="match_parent"
+        android:layout_alignParentStart="true"
+        android:layout_alignParentLeft="true"/>
+
+    <TextView
+        android:id="@+id/slide_info"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentBottom="true"
+        android:layout_centerHorizontal="true"
+        android:layout_marginBottom="120dp"
+        android:alpha="0"
+        android:background="@drawable/black_rounded_background"
+        android:gravity="center"
+        android:paddingBottom="@dimen/medium_margin"
+        android:paddingLeft="@dimen/activity_margin"
+        android:paddingRight="@dimen/activity_margin"
+        android:paddingTop="@dimen/medium_margin"
+        android:textColor="@android:color/white"
+        android:textSize="@dimen/extra_big_text_size"/>
+
     <RelativeLayout
         android:id="@+id/instant_prev_item"
         android:layout_width="@dimen/instant_change_bar_width"

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

@@ -8,6 +8,7 @@
     <dimen name="play_outline_size_big">150dp</dimen>
     <dimen name="timer_padding">24dp</dimen>
     <dimen name="tmb_shadow_height">50dp</dimen>
+    <dimen name="photo_side_slider_width">150dp</dimen>
     <dimen name="video_side_slider_width">150dp</dimen>
     <dimen name="instant_change_bar_width">60dp</dimen>
     <dimen name="list_view_folder_thumbnail_size">72dp</dimen>