add "Set as" as an available bottom action at the fullscreen view

app/src/main/kotlin/com/simplemobiletools/gallery/activities/PhotoVideoActivity.kt

@@ -48,8 +48,6 @@ open class PhotoVideoActivity : SimpleActivity(), ViewPagerFragment.FragmentList
                 finish()
             }
         }
-
-        initBottomActions()
     }
 
     override fun onResume() {
@@ -88,14 +86,15 @@ open class PhotoVideoActivity : SimpleActivity(), ViewPagerFragment.FragmentList
         showSystemUI(true)
         val bundle = Bundle()
         val file = File(mUri.toString())
+        val filename = getFilenameFromUri(mUri!!)
         val type = when {
-            file.isImageFast() -> TYPE_IMAGES
+            filename.isImageFast() -> TYPE_IMAGES
-            file.isVideoFast() -> TYPE_VIDEOS
+            filename.isVideoFast() -> TYPE_VIDEOS
-            file.isGif() -> TYPE_GIFS
+            filename.isGif() -> TYPE_GIFS
             else -> TYPE_RAWS
         }
 
-        mMedium = Medium(null, getFilenameFromUri(mUri!!), mUri.toString(), mUri!!.path.getParentPath(), 0, 0, file.length(), type, false, 0L)
+        mMedium = Medium(null, filename, mUri.toString(), mUri!!.path.getParentPath(), 0, 0, file.length(), type, false, 0L)
         supportActionBar?.title = mMedium!!.name
         bundle.putSerializable(MEDIUM, mMedium)
 
@@ -114,6 +113,8 @@ open class PhotoVideoActivity : SimpleActivity(), ViewPagerFragment.FragmentList
             val isFullscreen = visibility and View.SYSTEM_UI_FLAG_FULLSCREEN != 0
             mFragment?.fullscreenToggled(isFullscreen)
         }
+
+        initBottomActions()
     }
 
     override fun onConfigurationChanged(newConfig: Configuration?) {
@@ -132,12 +133,13 @@ open class PhotoVideoActivity : SimpleActivity(), ViewPagerFragment.FragmentList
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
         menuInflater.inflate(R.menu.photo_video_menu, menu)
+        val visibleBottomActions = if (config.bottomActions) config.visibleBottomActions else 0
 
         menu.apply {
-            findItem(R.id.menu_set_as).isVisible = mMedium?.isImage() == true
+            findItem(R.id.menu_set_as).isVisible = mMedium?.isImage() == true && visibleBottomActions and BOTTOM_ACTION_SET_AS == 0
-            findItem(R.id.menu_edit).isVisible = mMedium?.isImage() == true && mUri?.scheme == "file" && !config.bottomActions
+            findItem(R.id.menu_edit).isVisible = mMedium?.isImage() == true && mUri?.scheme == "file" && visibleBottomActions and BOTTOM_ACTION_EDIT == 0
-            findItem(R.id.menu_properties).isVisible = mUri?.scheme == "file"
+            findItem(R.id.menu_properties).isVisible = mUri?.scheme == "file" && visibleBottomActions and BOTTOM_ACTION_PROPERTIES == 0
-            findItem(R.id.menu_share).isVisible = !config.bottomActions
+            findItem(R.id.menu_share).isVisible = visibleBottomActions and BOTTOM_ACTION_SHARE == 0
         }
 
         return true
@@ -183,7 +185,7 @@ open class PhotoVideoActivity : SimpleActivity(), ViewPagerFragment.FragmentList
         }
 
         val visibleBottomActions = if (config.bottomActions) config.visibleBottomActions else 0
-        bottom_edit.beVisibleIf(visibleBottomActions and BOTTOM_ACTION_EDIT != 0)
+        bottom_edit.beVisibleIf(visibleBottomActions and BOTTOM_ACTION_EDIT != 0 && mMedium?.isImage() == true)
         bottom_edit.setOnClickListener {
             if (mUri != null && bottom_actions.alpha == 1f) {
                 openEditor(mUri!!.toString())
@@ -196,6 +198,11 @@ open class PhotoVideoActivity : SimpleActivity(), ViewPagerFragment.FragmentList
                 sharePath(mUri!!.toString())
             }
         }
+
+        bottom_set_as.beVisibleIf(visibleBottomActions and BOTTOM_ACTION_SET_AS != 0 && mMedium?.isImage() == true)
+        bottom_set_as.setOnClickListener {
+            setAs(mUri!!.toString())
+        }
     }
 
     override fun fragmentClicked() {

app/src/main/kotlin/com/simplemobiletools/gallery/activities/ViewPagerActivity.kt

@@ -296,6 +296,7 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
             findItem(R.id.menu_edit).isVisible = visibleBottomActions and BOTTOM_ACTION_EDIT == 0
             findItem(R.id.menu_rename).isVisible = visibleBottomActions and BOTTOM_ACTION_RENAME == 0
             findItem(R.id.menu_rotate).isVisible = currentMedium.isImage() && visibleBottomActions and BOTTOM_ACTION_ROTATE == 0
+            findItem(R.id.menu_set_as).isVisible = visibleBottomActions and BOTTOM_ACTION_SET_AS == 0
             findItem(R.id.menu_save_as).isVisible = mRotationDegrees != 0
             findItem(R.id.menu_hide).isVisible = !currentMedium.isHidden() && visibleBottomActions and BOTTOM_ACTION_TOGGLE_VISIBILITY == 0
             findItem(R.id.menu_unhide).isVisible = currentMedium.isHidden() && visibleBottomActions and BOTTOM_ACTION_TOGGLE_VISIBILITY == 0
@@ -842,6 +843,11 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
         bottom_rename.setOnClickListener {
             renameFile()
         }
+
+        bottom_set_as.beVisibleIf(visibleBottomActions and BOTTOM_ACTION_SET_AS != 0)
+        bottom_set_as.setOnClickListener {
+            setAs(getCurrentPath())
+        }
     }
 
     private fun updateBottomActionIcons(medium: Medium?) {

app/src/main/kotlin/com/simplemobiletools/gallery/dialogs/ManageBottomActionsDialog.kt

@@ -25,6 +25,7 @@ class ManageBottomActionsDialog(val activity: BaseSimpleActivity, val callback:
             manage_bottom_actions_show_on_map.isChecked = actions and BOTTOM_ACTION_SHOW_ON_MAP != 0
             manage_bottom_actions_toggle_visibility.isChecked = actions and BOTTOM_ACTION_TOGGLE_VISIBILITY != 0
             manage_bottom_actions_rename.isChecked = actions and BOTTOM_ACTION_RENAME != 0
+            manage_bottom_actions_set_as.isChecked = actions and BOTTOM_ACTION_SET_AS != 0
         }
 
         AlertDialog.Builder(activity)
@@ -60,6 +61,8 @@ class ManageBottomActionsDialog(val activity: BaseSimpleActivity, val callback:
                 result += BOTTOM_ACTION_TOGGLE_VISIBILITY
             if (manage_bottom_actions_rename.isChecked)
                 result += BOTTOM_ACTION_RENAME
+            if (manage_bottom_actions_set_as.isChecked)
+                result += BOTTOM_ACTION_SET_AS
         }
 
         activity.config.visibleBottomActions = result

app/src/main/kotlin/com/simplemobiletools/gallery/helpers/Constants.kt

@@ -144,5 +144,6 @@ const val BOTTOM_ACTION_SLIDESHOW = 128
 const val BOTTOM_ACTION_SHOW_ON_MAP = 256
 const val BOTTOM_ACTION_TOGGLE_VISIBILITY = 512
 const val BOTTOM_ACTION_RENAME = 1024
+const val BOTTOM_ACTION_SET_AS = 2048
 
 const val DEFAULT_BOTTOM_ACTIONS = BOTTOM_ACTION_TOGGLE_FAVORITE or BOTTOM_ACTION_EDIT or BOTTOM_ACTION_SHARE or BOTTOM_ACTION_DELETE

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

@@ -126,8 +126,19 @@
         android:layout_height="wrap_content"
         android:padding="@dimen/medium_margin"
         android:src="@drawable/ic_rename_new"
-        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintEnd_toEndOf="@+id/bottom_set_as"
         app:layout_constraintHorizontal_bias="0.5"
         app:layout_constraintStart_toEndOf="@+id/bottom_toggle_file_visibility"/>
 
+    <ImageView
+        android:id="@+id/bottom_set_as"
+        style="@style/MyBorderlessBackgroundStyle"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:padding="@dimen/medium_margin"
+        android:src="@drawable/ic_set_as"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toEndOf="@+id/bottom_rename"/>
+
 </android.support.constraint.ConstraintLayout>

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

@@ -102,5 +102,13 @@
             android:paddingTop="@dimen/activity_margin"
             android:text="@string/rename"/>
 
+        <com.simplemobiletools.commons.views.MyAppCompatCheckbox
+            android:id="@+id/manage_bottom_actions_set_as"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:paddingBottom="@dimen/activity_margin"
+            android:paddingTop="@dimen/activity_margin"
+            android:text="@string/set_as"/>
+
     </LinearLayout>
 </ScrollView>

app/src/main/res/menu/menu_viewpager.xml

@@ -73,10 +73,6 @@
         android:id="@+id/menu_move_to"
         android:title="@string/move_to"
         app:showAsAction="never"/>
-    <item
-        android:id="@+id/menu_set_as"
-        android:title="@string/set_as"
-        app:showAsAction="never"/>
     <item
         android:id="@+id/menu_open_with"
         android:title="@string/open_with"
@@ -104,6 +100,11 @@
         android:icon="@drawable/ic_slideshow"
         android:title="@string/slideshow"
         app:showAsAction="ifRoom"/>
+    <item
+        android:id="@+id/menu_set_as"
+        android:icon="@drawable/ic_set_as"
+        android:title="@string/set_as"
+        app:showAsAction="ifRoom"/>
     <item
         android:id="@+id/menu_rename"
         android:icon="@drawable/ic_rename_new"

app/src/main/res/menu/photo_video_menu.xml

@@ -18,8 +18,9 @@
         app:showAsAction="ifRoom"/>
     <item
         android:id="@+id/menu_set_as"
+        android:icon="@drawable/ic_set_as"
         android:title="@string/set_as"
-        app:showAsAction="never"/>
+        app:showAsAction="ifRoom"/>
     <item
         android:id="@+id/menu_open_with"
         android:title="@string/open_with"