[Catalyst] Move getPreferenceSummary out of PreferenceMetadata

PreferenceMetadata.getPreferenceSummary is implementation detail.

Bug: 388167106
Flag: EXEMPT refactor
Test: atest
Change-Id: If6726f0b4420eafa7107e6bf2710163faf4b72ff

3 files changed, 28 insertions, 13 deletions

diff --git a/packages/SettingsLib/Metadata/src/com/android/settingslib/metadata/PreferenceMetadata.kt b/packages/SettingsLib/Metadata/src/com/android/settingslib/metadata/PreferenceMetadata.kt
index 7f2a61081fbb..84ea6d9c2f5c 100644
--- a/packages/SettingsLib/Metadata/src/com/android/settingslib/metadata/PreferenceMetadata.kt
+++ b/packages/SettingsLib/Metadata/src/com/android/settingslib/metadata/PreferenceMetadata.kt
@@ -151,19 +151,6 @@ interface PreferenceMetadata {
         }
 
     /**
-     * Returns the preference summary.
-     *
-     * Implement [PreferenceSummaryProvider] interface if summary content is generated dynamically
-     * (e.g. summary is provided per preference value).
-     */
-    fun getPreferenceSummary(context: Context): CharSequence? =
-        when {
-            summary != 0 -> context.getText(summary)
-            this is PreferenceSummaryProvider -> getSummary(context)
-            else -> null
-        }
-
-    /**
      * Returns the preference icon.
      *
      * Implement [PreferenceIconProvider] interface if icon is provided dynamically (e.g. icon is
diff --git a/packages/SettingsLib/Metadata/src/com/android/settingslib/metadata/Utils.kt b/packages/SettingsLib/Metadata/src/com/android/settingslib/metadata/Utils.kt
new file mode 100644
index 000000000000..67c506ba19dc
--- /dev/null
+++ b/packages/SettingsLib/Metadata/src/com/android/settingslib/metadata/Utils.kt
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2025 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settingslib.metadata
+
+import android.content.Context
+
+/** Returns the preference summary. */
+fun PreferenceMetadata.getPreferenceSummary(context: Context): CharSequence? =
+    when {
+        summary != 0 -> context.getText(summary)
+        this is PreferenceSummaryProvider -> getSummary(context)
+        else -> null
+    }
diff --git a/packages/SettingsLib/Preference/src/com/android/settingslib/preference/PreferenceBinding.kt b/packages/SettingsLib/Preference/src/com/android/settingslib/preference/PreferenceBinding.kt
index 18fd7a8be270..92c7ece0937a 100644
--- a/packages/SettingsLib/Preference/src/com/android/settingslib/preference/PreferenceBinding.kt
+++ b/packages/SettingsLib/Preference/src/com/android/settingslib/preference/PreferenceBinding.kt
@@ -31,6 +31,7 @@ import com.android.settingslib.metadata.IntRangeValuePreference
 import com.android.settingslib.metadata.PreferenceAvailabilityProvider
 import com.android.settingslib.metadata.PreferenceMetadata
 import com.android.settingslib.metadata.PreferenceScreenMetadata
+import com.android.settingslib.metadata.getPreferenceSummary
 
 /** Binding of preference widget and preference metadata. */
 interface PreferenceBinding {