New MobileDataEnabledFlow

To easily collect the mobile data enabled setting changes.

Bug: 308903704
Test: manual - on DataUsageList
Test: unit tests
Change-Id: I31327f59ac32c1a621e2853e64bd30d7d17e079c

src/com/android/settings/utils/SettingsGlobalBooleanDelegate.kt

@@ -1,68 +0,0 @@
-/*
- * Copyright (C) 2023 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.settings.utils
-
-import android.content.ContentResolver
-import android.content.Context
-import android.database.ContentObserver
-import android.os.Handler
-import android.provider.Settings
-import androidx.lifecycle.DefaultLifecycleObserver
-import androidx.lifecycle.Lifecycle
-import androidx.lifecycle.LifecycleOwner
-import kotlin.properties.ReadWriteProperty
-import kotlin.reflect.KProperty
-
-fun Context.observeSettingsGlobalBoolean(
-    name: String,
-    lifecycle: Lifecycle,
-    onChange: (newValue: Boolean) -> Unit,
-) {
-    val field by settingsGlobalBoolean(name)
-    val contentObserver = object : ContentObserver(Handler.getMain()) {
-        override fun onChange(selfChange: Boolean) {
-            onChange(field)
-        }
-    }
-    val uri = Settings.Global.getUriFor(name)
-    lifecycle.addObserver(object : DefaultLifecycleObserver {
-        override fun onStart(owner: LifecycleOwner) {
-            contentResolver.registerContentObserver(uri, false, contentObserver)
-            onChange(field)
-        }
-
-        override fun onStop(owner: LifecycleOwner) {
-            contentResolver.unregisterContentObserver(contentObserver)
-        }
-    })
-}
-
-fun Context.settingsGlobalBoolean(name: String): ReadWriteProperty<Any?, Boolean> =
-    SettingsGlobalBooleanDelegate(this, name)
-
-private class SettingsGlobalBooleanDelegate(context: Context, private val name: String) :
-    ReadWriteProperty<Any?, Boolean> {
-
-    private val contentResolver: ContentResolver = context.contentResolver
-
-    override fun getValue(thisRef: Any?, property: KProperty<*>): Boolean =
-        Settings.Global.getInt(contentResolver, name, 0) != 0
-
-    override fun setValue(thisRef: Any?, property: KProperty<*>, value: Boolean) {
-        Settings.Global.putInt(contentResolver, name, if (value) 1 else 0)
-    }
-}