Inject ShortcutUtil instead of manually creating it

Signed-off-by: Álvaro Brey <alvaro.brey@nextcloud.com>

app/src/main/java/com/nextcloud/utils/ShortcutUtils.kt

@@ -42,11 +42,12 @@ import com.owncloud.android.ui.activity.FileActivity
 import com.owncloud.android.ui.activity.FileDisplayActivity
 import com.owncloud.android.utils.MimeTypeUtil
 import com.owncloud.android.utils.theme.ViewThemeUtils
+import javax.inject.Inject
 import kotlin.math.roundToInt
 
 private const val i = 108
 
-class ShortcutUtil(val mContext: Context) {
+class ShortcutUtil @Inject constructor(private val mContext: Context) {
 
     /**
      * Adds a pinned shortcut to the home screen that points to the passed file/folder.
@@ -121,4 +122,4 @@ class ShortcutUtil(val mContext: Context) {
         drawable.draw(canvas)
         return bitmap
     }
-}
+}

app/src/main/java/com/owncloud/android/ui/fragment/OCFileListFragment.java

@@ -199,6 +199,7 @@ public class OCFileListFragment extends ExtendedListFragment implements
     @Inject ViewThemeUtils viewThemeUtils;
     @Inject FastScrollUtils fastScrollUtils;
     @Inject EditorUtils editorUtils;
+    @Inject ShortcutUtil shortcutUtil;
 
     protected FileFragment.ContainerActivity mContainerActivity;
 
@@ -1150,7 +1151,7 @@ public class OCFileListFragment extends ExtendedListFragment implements
                 mContainerActivity.getFileOperationsHelper().toggleFileLock(singleFile, false);
             } else if (itemId == R.id.action_pin_to_homescreen) {
                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-                    new ShortcutUtil(getContext()).addShortcutToHomescreen(singleFile, viewThemeUtils);
+                    shortcutUtil.addShortcutToHomescreen(singleFile, viewThemeUtils);
                 }
                 return true;
             }