Merge "Add doc for AppListModel" (8e727306) · Commits · e / os / android_frameworks_base

packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/model/app/AppListModel.kt

+34 −0

Original line number	Diff line number	Diff line
		@@ -12,18 +12,52 @@ data class AppEntry<T : AppRecord>(
		val labelCollationKey: CollationKey,
		)

		/**
		* Implement this interface to build an App List.
		*/
		interface AppListModel<T : AppRecord> {
		/**
		* Returns the spinner options available to the App List.
		*
		* Default no spinner will be shown.
		*/
		fun getSpinnerOptions(): List<String> = emptyList()

		/**
		* Loads the extra info for the App List, and generates the [AppRecord] List.
		*/
		fun transform(userIdFlow: Flow<Int>, appListFlow: Flow<List<ApplicationInfo>>): Flow<List<T>>

		/**
		* Filters the [AppRecord] list.
		*
		* @return the [AppRecord] list which will be displayed.
		*/
		fun filter(userIdFlow: Flow<Int>, option: Int, recordListFlow: Flow<List<T>>): Flow<List<T>>

		/**
		* This function is called when the App List's loading is finished and displayed to the user.
		*
		* Could do some pre-cache here.
		*/
		suspend fun onFirstLoaded(recordList: List<T>) {}

		/**
		* Gets the comparator to sort the App List.
		*
		* Default sorting is based on the app label.
		*/
		fun getComparator(option: Int): Comparator<AppEntry<T>> = compareBy(
		{ it.labelCollationKey },
		{ it.record.app.packageName },
		{ it.record.app.uid },
		)

		/**
		* Gets the summary for the given app record.
		*
		* @return null if no summary should be displayed.
		*/
		@Composable
		fun getSummary(option: Int, record: T): State<String>?
		}

+30 −0

Original line number	Diff line number	Diff line
		@@ -30,21 +30,51 @@ import com.android.settingslib.spa.widget.preference.PreferenceModel
		import com.android.settingslib.spaprivileged.model.app.AppRecord
		import kotlinx.coroutines.flow.Flow

		/**
		* Implement this interface to build an App List which toggles a permission on / off.
		*/
		interface TogglePermissionAppListModel<T : AppRecord> {
		val pageTitleResId: Int
		val switchTitleResId: Int
		val footerResId: Int

		/**
		* Loads the extra info for the App List, and generates the [AppRecord] List.
		*
		* Default is implemented by [transformItem]
		*/
		fun transform(userIdFlow: Flow<Int>, appListFlow: Flow<List<ApplicationInfo>>): Flow<List<T>> =
		appListFlow.asyncMapItem(::transformItem)

		/**
		* Loads the extra info for one app, and generates the [AppRecord].
		*
		* This must be implemented, because when show the App Info page for single app, this will be
		* used instead of [transform].
		*/
		fun transformItem(app: ApplicationInfo): T

		/**
		* Filters the [AppRecord] list.
		*
		* @return the [AppRecord] list which will be displayed.
		*/
		fun filter(userIdFlow: Flow<Int>, recordListFlow: Flow<List<T>>): Flow<List<T>>

		/**
		* Gets whether the permission is allowed for the given app.
		*/
		@Composable
		fun isAllowed(record: T): State<Boolean?>

		/**
		* Gets whether the permission on / off is changeable for the given app.
		*/
		fun isChangeable(record: T): Boolean

		/**
		* Sets whether the permission is allowed for the given app.
		*/
		fun setAllowed(record: T, newAllowed: Boolean)
		}