From b56f136da0594b1b9930fbe9ea6e3cf4105ff4cc Mon Sep 17 00:00:00 2001
From: tarsin <yuanqingxiang233@163.com>
Date: Mon, 5 Jun 2023 17:49:49 +0800
Subject: [PATCH] [DO NOT USE] Introduce MutableState<T>.rememberedAccessor

---
 app/src/main/java/com/hippo/ehviewer/ui/compose/State.kt    | 6 ++++++
 .../java/com/hippo/ehviewer/ui/settings/DownloadScreen.kt   | 6 ++++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/com/hippo/ehviewer/ui/compose/State.kt b/app/src/main/java/com/hippo/ehviewer/ui/compose/State.kt
index 95c135bda..a4c53bb23 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/compose/State.kt
+++ b/app/src/main/java/com/hippo/ehviewer/ui/compose/State.kt
@@ -2,8 +2,10 @@ package com.hippo.ehviewer.ui.compose
 
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import kotlin.reflect.KMutableProperty0
 
 val <T> KMutableProperty0<T>.observed: MutableState<T>
@@ -19,3 +21,7 @@ val <T> KMutableProperty0<T>.observed: MutableState<T>
                 }
         }
     }
+
+val <T> MutableState<T>.rememberedAccessor: KMutableProperty0<T>
+    @Composable
+    get() = remember { object { var value by this@rememberedAccessor }::value }
diff --git a/app/src/main/java/com/hippo/ehviewer/ui/settings/DownloadScreen.kt b/app/src/main/java/com/hippo/ehviewer/ui/settings/DownloadScreen.kt
index 5e8df73ea..e8b164d02 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/settings/DownloadScreen.kt
+++ b/app/src/main/java/com/hippo/ehviewer/ui/settings/DownloadScreen.kt
@@ -30,6 +30,7 @@ import com.hippo.ehviewer.R
 import com.hippo.ehviewer.Settings
 import com.hippo.ehviewer.download.downloadLocation
 import com.hippo.ehviewer.ui.compose.observed
+import com.hippo.ehviewer.ui.compose.rememberedAccessor
 import com.hippo.ehviewer.ui.keepNoMediaFileStatus
 import com.hippo.ehviewer.ui.legacy.BaseDialogBuilder
 import com.hippo.ehviewer.ui.login.LocalNavController
@@ -103,10 +104,11 @@ fun DownloadScreen() {
                     selectDownloadDirLauncher.launch(null)
                 }
             }
+            val mediaScan = Settings::mediaScan.observed
             SwitchPreference(
                 title = stringResource(id = R.string.settings_download_media_scan),
-                summary = if (Settings.mediaScan) stringResource(id = R.string.settings_download_media_scan_summary_on) else stringResource(id = R.string.settings_download_media_scan_summary_off),
-                value = Settings::mediaScan,
+                summary = if (mediaScan.value) stringResource(id = R.string.settings_download_media_scan_summary_on) else stringResource(id = R.string.settings_download_media_scan_summary_off),
+                value = mediaScan.rememberedAccessor,
             )
             val multiThreadDownload = Settings::multiThreadDownload.observed
             SimpleMenuPreferenceInt(