Add shared models for device settings

/*

 * Copyright (C) 2024 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.bluetooth.devicesettings.shared.model

import android.content.Intent

import android.graphics.Bitmap

import com.android.settingslib.bluetooth.CachedBluetoothDevice

import com.android.settingslib.bluetooth.devicesettings.DeviceSettingId

/** Models a device setting. */

sealed interface DeviceSettingModel {

    val cachedDevice: CachedBluetoothDevice

    @DeviceSettingId val id: Int

    /** Models a device setting which should be displayed as an action/switch preference. */

    data class ActionSwitchPreference(

        override val cachedDevice: CachedBluetoothDevice,

        @DeviceSettingId override val id: Int,

        val title: String,

        val summary: String? = null,

        val icon: Bitmap? = null,

        val intent: Intent? = null,

        val switchState: DeviceSettingStateModel.ActionSwitchPreferenceState? = null,

        val isAllowedChangingState: Boolean = true,

        val updateState: ((DeviceSettingStateModel.ActionSwitchPreferenceState) -> Unit)? = null,

    ) : DeviceSettingModel

    /** Models a device setting which should be displayed as a multi-toggle preference. */

    data class MultiTogglePreference(

        override val cachedDevice: CachedBluetoothDevice,

        @DeviceSettingId override val id: Int,

        val title: String,

        val toggles: List<ToggleModel>,

        val isActive: Boolean,

        val state: DeviceSettingStateModel.MultiTogglePreferenceState,

        val isAllowedChangingState: Boolean,

        val updateState: (DeviceSettingStateModel.MultiTogglePreferenceState) -> Unit

    ) : DeviceSettingModel

    /** Models an unknown preference. */

    data class Unknown(

        override val cachedDevice: CachedBluetoothDevice,

        @DeviceSettingId override val id: Int

    ) : DeviceSettingModel

}

/** Models a toggle in [DeviceSettingModel.MultiTogglePreference]. */

data class ToggleModel(val label: String, val icon: Bitmap)

/*

 * Copyright (C) 2024 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.bluetooth.devicesettings.shared.model

import com.android.settingslib.bluetooth.devicesettings.DeviceSettingPreferenceState

/** Models a device setting state. */

sealed interface DeviceSettingStateModel {

    fun toParcelable(): DeviceSettingPreferenceState

    /** Models a device setting state for action/switch preference. */

    data class ActionSwitchPreferenceState(val checked: Boolean) : DeviceSettingStateModel {

        override fun toParcelable() =

            com.android.settingslib.bluetooth.devicesettings.ActionSwitchPreferenceState.Builder()

                .setChecked(checked)

                .build()

    }

    /** Models a device setting state for multi-toggle preference. */

    data class MultiTogglePreferenceState(val selectedIndex: Int) : DeviceSettingStateModel {

        override fun toParcelable() =

            com.android.settingslib.bluetooth.devicesettings.MultiTogglePreferenceState.Builder()

                .setState(selectedIndex)

                .build()

    }

}