feat: 全屏手势设置 issues #517

lib/models/common/gesture_mode.dart

@@ -0,0 +1,12 @@
+enum FullScreenGestureMode {
+  /// 从上滑到下
+  fromToptoBottom,
+
+  /// 从下滑到上
+  fromBottomtoTop,
+}
+
+extension FullScreenGestureModeExtension on FullScreenGestureMode {
+  String get values => ['fromToptoBottom', 'fromBottomtoTop'][index];
+  String get labels => ['从上往下滑进入全屏', '从下往上滑进入全屏'][index];
+}