From c0f4e11076b87ad7993b5f62abdb4067c1936c51 Mon Sep 17 00:00:00 2001
From: Peter Liang <peterliang@google.com>
Date: Fri, 9 Dec 2022 20:42:47 +0800
Subject: [PATCH] =?UTF-8?q?Fix=20the=20summary=20of=20Color=20inversion=20?=
 =?UTF-8?q?or=20correction=20didn=E2=80=99t=20be=20updated=20after=20the?=
 =?UTF-8?q?=20content=20change.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Action:
Observe the settings content change and then update the corresponding preference state.

Bug: 245441772
Test: manual test
Change-Id: I6205c2ebe0d1eda141e9b3bd00e4a21dfdba1760
---
 .../accessibility/ColorAndMotionFragment.java | 37 ++++++++++++++++++-
 1 file changed, 36 insertions(+), 1 deletion(-)

diff --git a/src/com/android/settings/accessibility/ColorAndMotionFragment.java b/src/com/android/settings/accessibility/ColorAndMotionFragment.java
index 7f550537766..921aa4e9745 100644
--- a/src/com/android/settings/accessibility/ColorAndMotionFragment.java
+++ b/src/com/android/settings/accessibility/ColorAndMotionFragment.java
@@ -19,6 +19,7 @@ package com.android.settings.accessibility;
 import android.app.settings.SettingsEnums;
 import android.hardware.display.ColorDisplayManager;
 import android.os.Bundle;
+import android.os.Handler;
 import android.provider.Settings;
 
 import androidx.preference.Preference;
@@ -28,8 +29,12 @@ import androidx.preference.SwitchPreference;
 import com.android.settings.R;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.core.AbstractPreferenceController;
 import com.android.settingslib.search.SearchIndexable;
 
+import java.util.ArrayList;
+import java.util.List;
+
 /** Accessibility settings for color and motion. */
 @SearchIndexable(forTarget = SearchIndexable.ALL & ~SearchIndexable.ARC)
 public class ColorAndMotionFragment extends DashboardFragment {
@@ -46,18 +51,48 @@ public class ColorAndMotionFragment extends DashboardFragment {
     private Preference mDisplayDaltonizerPreferenceScreen;
     private SwitchPreference mToggleDisableAnimationsPreference;
     private SwitchPreference mToggleLargePointerIconPreference;
+    private AccessibilitySettingsContentObserver mSettingsContentObserver;
+
+    private final List<String> mShortcutFeatureKeys = new ArrayList<>();
 
     @Override
     public int getMetricsCategory() {
         return SettingsEnums.ACCESSIBILITY_COLOR_AND_MOTION;
     }
 
-
     @Override
     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);
         initializeAllPreferences();
         updateSystemPreferences();
+
+        mShortcutFeatureKeys.add(Settings.Secure.ACCESSIBILITY_DISPLAY_INVERSION_ENABLED);
+        mShortcutFeatureKeys.add(Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED);
+
+        mSettingsContentObserver = new AccessibilitySettingsContentObserver(new Handler());
+        mSettingsContentObserver.registerKeysToObserverCallback(mShortcutFeatureKeys,
+                key -> updatePreferencesState());
+    }
+
+    private void updatePreferencesState() {
+        final List<AbstractPreferenceController> controllers = new ArrayList<>();
+        getPreferenceControllers().forEach(controllers::addAll);
+        controllers.forEach(controller -> controller.updateState(
+                findPreference(controller.getPreferenceKey())));
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+
+        mSettingsContentObserver.register(getContentResolver());
+    }
+
+    @Override
+    public void onStop() {
+        super.onStop();
+
+        mSettingsContentObserver.unregister(getContentResolver());
     }
 
     @Override