feat: add "+" button to add public links only for space managers

Author: joragua

owncloudApp/src/main/java/com/owncloud/android/presentation/spaces/members/SpaceMembersFragment.kt

@@ -215,7 +215,11 @@ class SpaceMembersFragment : Fragment(), SpaceMembersAdapter.SpaceMembersAdapter
                 when (val uiResult = event.peekContent()) {
                     is UIResult.Success -> {
                         uiResult.data?.let { spacePermissions ->
-                            binding.addMemberButton.isVisible = DRIVES_CREATE_PERMISSION in spacePermissions
+                            binding.apply {
+                                val hasCreatePermission = DRIVES_CREATE_PERMISSION in spacePermissions
+                                addMemberButton.isVisible = hasCreatePermission
+                                addPublicLinkButton.isVisible = hasCreatePermission
+                            }
                             canRemoveMembers = DRIVES_DELETE_PERMISSION in spacePermissions
                             canEditMembers = DRIVES_UPDATE_PERMISSION in spacePermissions
                             spaceMembersAdapter.setSpaceMembers(spaceMembers, roles, canRemoveMembers, canEditMembers, numberOfManagers)

owncloudApp/src/main/res/layout/members_fragment.xml

@@ -103,6 +103,21 @@
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toTopOf="parent"/>
 
+            <ImageButton
+                android:id="@+id/add_public_link_button"
+                android:layout_width="48dp"
+                android:layout_height="48dp"
+                android:padding="@dimen/standard_padding"
+                android:background="@color/transparent"
+                android:src="@drawable/ic_add"
+                android:contentDescription="@string/content_description_add_public_link"
+                android:visibility="gone"
+                android:focusable="true"
+                android:clickable="true"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                tools:visibility="visible"/>
+
         </androidx.constraintlayout.widget.ConstraintLayout>
 
         <TextView