feat: 全屏新增强制按重力旋转

lib/plugin/pl_player/controller.dart

@@ -1173,6 +1173,10 @@ class PlPlayerController {
       if (mode == FullScreenMode.none) {
         return;
       }
+      if (mode == FullScreenMode.gravity) {
+        fullAutoModeForceSensor();
+        return;
+      }
       if (mode == FullScreenMode.vertical ||
           (mode == FullScreenMode.auto && direction.value == 'vertical') ||
           (mode == FullScreenMode.ratio &&

lib/plugin/pl_player/models/fullscreen_mode.dart

@@ -10,14 +10,23 @@ enum FullScreenMode {
   horizontal,
   // 屏幕长宽比<1.25或为竖屏视频时竖屏，否则横屏
   ratio,
+  // 强制重力转屏（仅安卓）
+  gravity,
 }
 
 extension FullScreenModeDesc on FullScreenMode {
-  String get description => ['按视频方向（默认）', '不改变当前方向','强制竖屏', '强制横屏', '屏幕长宽比<1.25或为竖屏视频时竖屏，否则横屏'][index];
+  String get description => [
+        '按视频方向（默认）',
+        '不改变当前方向',
+        '强制竖屏',
+        '强制横屏',
+        '屏幕长宽比<1.25或为竖屏视频时竖屏，否则横屏',
+        '忽略系统方向锁定，强制按重力转屏（仅安卓）'
+      ][index];
 }
 
 extension FullScreenModeCode on FullScreenMode {
-  static final List<int> _codeList = [0, 1, 2, 3, 4];
+  static final List<int> _codeList = [0, 1, 2, 3, 4, 5];
   int get code => _codeList[index];
 
   static FullScreenMode? fromCode(int code) {

lib/plugin/pl_player/utils/fullscreen.dart

@@ -58,6 +58,10 @@ Future<void> autoScreen() async {
   ]);
 }
 
+Future<void> fullAutoModeForceSensor() async {
+  await AutoOrientation.fullAutoMode(forceSensor: true);
+}
+
 Future<void> hideStatusBar() async {
   await SystemChrome.setEnabledSystemUIMode(
     SystemUiMode.immersiveSticky,