allow adding a Copy button to the bottom actions

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

@@ -240,7 +240,7 @@ open class PhotoVideoActivity : SimpleActivity(), ViewPagerFragment.FragmentList
 
     private fun initBottomActionButtons() {
         arrayListOf(bottom_favorite, bottom_delete, bottom_rotate, bottom_properties, bottom_change_orientation, bottom_slideshow, bottom_show_on_map,
-                bottom_toggle_file_visibility, bottom_rename).forEach {
+                bottom_toggle_file_visibility, bottom_rename, bottom_copy).forEach {
             it.beGone()
         }
 

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

@@ -162,6 +162,7 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
             findItem(R.id.menu_rename).isVisible = visibleBottomActions and BOTTOM_ACTION_RENAME == 0 && !currentMedium.getIsInRecycleBin()
             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_copy_to).isVisible = visibleBottomActions and BOTTOM_ACTION_COPY == 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 && !currentMedium.getIsInRecycleBin()
             findItem(R.id.menu_unhide).isVisible = currentMedium.isHidden() && visibleBottomActions and BOTTOM_ACTION_TOGGLE_VISIBILITY == 0 && !currentMedium.getIsInRecycleBin()
@@ -863,6 +864,11 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
         bottom_set_as.setOnClickListener {
             setAs(getCurrentPath())
         }
+
+        bottom_copy.beVisibleIf(visibleBottomActions and BOTTOM_ACTION_COPY != 0)
+        bottom_copy.setOnClickListener {
+            copyMoveTo(true)
+        }
     }
 
     private fun updateBottomActionIcons(medium: Medium?) {

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

@@ -26,6 +26,7 @@ class ManageBottomActionsDialog(val activity: BaseSimpleActivity, val callback:
             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
+            manage_bottom_actions_copy.isChecked = actions and BOTTOM_ACTION_COPY != 0
         }
 
         AlertDialog.Builder(activity)
@@ -63,6 +64,8 @@ class ManageBottomActionsDialog(val activity: BaseSimpleActivity, val callback:
                 result += BOTTOM_ACTION_RENAME
             if (manage_bottom_actions_set_as.isChecked)
                 result += BOTTOM_ACTION_SET_AS
+            if (manage_bottom_actions_copy.isChecked)
+                result += BOTTOM_ACTION_COPY
         }
 
         activity.config.visibleBottomActions = result

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

@@ -164,6 +164,7 @@ 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 BOTTOM_ACTION_COPY = 4096
 
 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

@@ -137,8 +137,19 @@
         android:background="?attr/selectableItemBackgroundBorderless"
         android:padding="@dimen/medium_margin"
         android:src="@drawable/ic_set_as"
-        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintEnd_toEndOf="@+id/bottom_copy"
         app:layout_constraintHorizontal_bias="0.5"
         app:layout_constraintStart_toEndOf="@+id/bottom_rename"/>
 
+    <ImageView
+        android:id="@+id/bottom_copy"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:background="?attr/selectableItemBackgroundBorderless"
+        android:padding="@dimen/medium_margin"
+        android:src="@drawable/ic_copy"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toEndOf="@+id/bottom_set_as"/>
+
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -110,5 +110,13 @@
             android:paddingBottom="@dimen/activity_margin"
             android:text="@string/set_as"/>
 
+        <com.simplemobiletools.commons.views.MyAppCompatCheckbox
+            android:id="@+id/manage_bottom_actions_copy"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:paddingTop="@dimen/activity_margin"
+            android:paddingBottom="@dimen/activity_margin"
+            android:text="@string/copy"/>
+
     </LinearLayout>
 </ScrollView>