[Catalyst] Add PreferenceMetadata.dependencies (73bf9717) · Commits · e / os / android_frameworks_base

packages/SettingsLib/Metadata/src/com/android/settingslib/metadata/PreferenceMetadata.kt

+5 −16

Original line number	Diff line number	Diff line
		@@ -107,20 +107,11 @@ interface PreferenceMetadata {
		*
		* UI framework normally does not allow user to interact with the preference widget when it is
		* disabled.
		*
		* [dependencyOfEnabledState] is provided to support dependency, the [shouldDisableDependents]
		* value of dependent preference is used to decide enabled state.
		*/
		fun isEnabled(context: Context): Boolean {
		val dependency = dependencyOfEnabledState(context) ?: return true
		return !dependency.shouldDisableDependents(context)
		}
		fun isEnabled(context: Context): Boolean = true

		/** Returns the key of depended preference to decide the enabled state. */
		fun dependencyOfEnabledState(context: Context): PreferenceMetadata? = null

		/** Returns whether this preference's dependents should be disabled. */
		fun shouldDisableDependents(context: Context): Boolean = !isEnabled(context)
		/** Returns the keys of depended preferences. */
		fun dependencies(context: Context): Array<String> = arrayOf()

		/** Returns if the preference is persistent in datastore. */
		fun isPersistent(context: Context): Boolean = this is PersistentPreference<*>
		@@ -174,13 +165,11 @@ interface PreferenceMetadata {
		}

		/** Metadata of preference group. */
		@AnyThread
		interface PreferenceGroup : PreferenceMetadata
		@AnyThread interface PreferenceGroup : PreferenceMetadata

		/** Metadata of preference category. */
		@AnyThread
		open class PreferenceCategory(override val key: String, override val title: Int) :
		PreferenceGroup
		open class PreferenceCategory(override val key: String, override val title: Int) : PreferenceGroup

		/** Metadata of preference screen. */
		@AnyThread

packages/SettingsLib/Metadata/src/com/android/settingslib/metadata/PreferenceTypes.kt

+2 −10

Original line number	Diff line number	Diff line
		@@ -16,18 +16,10 @@

		package com.android.settingslib.metadata

		import android.content.Context
		import androidx.annotation.StringRes

		/**
		* Common base class for preferences that have two selectable states, save a boolean value, and may
		* have dependent preferences that are enabled/disabled based on the current state.
		*/
		interface TwoStatePreference : PreferenceMetadata, PersistentPreference<Boolean>, BooleanValue {

		override fun shouldDisableDependents(context: Context) =
		storage(context).getBoolean(key) != true \|\| super.shouldDisableDependents(context)
		}
		/** Common base class for preferences that have two selectable states and save a boolean value. */
		interface TwoStatePreference : PreferenceMetadata, PersistentPreference<Boolean>, BooleanValue

		/** A preference that provides a two-state toggleable option. */
		open class SwitchPreference

packages/SettingsLib/Preference/src/com/android/settingslib/preference/PreferenceScreenBindingHelper.kt

+5 −5

Original line number	Diff line number	Diff line
		@@ -97,14 +97,14 @@ class PreferenceScreenBindingHelper(
		val preferencesBuilder = ImmutableMap.builder<String, PreferenceHierarchyNode>()
		val dependenciesBuilder = ImmutableMultimap.builder<String, String>()
		val lifecycleAwarePreferences = mutableListOf<PreferenceLifecycleProvider>()
		fun PreferenceMetadata.addDependency(dependency: PreferenceMetadata) {
		dependenciesBuilder.put(key, dependency.key)
		}

		fun PreferenceHierarchyNode.addNode() {
		metadata.let {
		preferencesBuilder.put(it.key, this)
		it.dependencyOfEnabledState(context)?.addDependency(it)
		val key = it.key
		preferencesBuilder.put(key, this)
		for (dependency in it.dependencies(context)) {
		dependenciesBuilder.put(dependency, key)
		}
		if (it is PreferenceLifecycleProvider) lifecycleAwarePreferences.add(it)
		}
		}