Revert "Revert "Move TentModeDeviceStateProvider to shared direc..."

-keep,allowoptimization,allowaccessmodification class com.android.server.policy.TentModeDeviceStatePolicy { *; }

/*

 * 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.server.policy;

import static com.android.server.devicestate.DeviceState.FLAG_CANCEL_OVERRIDE_REQUESTS;

import static com.android.server.devicestate.DeviceState.FLAG_CANCEL_WHEN_REQUESTER_NOT_ON_TOP;

import static com.android.server.devicestate.DeviceState.FLAG_EMULATED_ONLY;

import static com.android.server.devicestate.DeviceState.FLAG_UNSUPPORTED_WHEN_POWER_SAVE_MODE;

import static com.android.server.devicestate.DeviceState.FLAG_UNSUPPORTED_WHEN_THERMAL_STATUS_CRITICAL;

import static com.android.server.policy.FoldableDeviceStateProvider.DeviceStateConfiguration.createConfig;

import static com.android.server.policy.FoldableDeviceStateProvider.DeviceStateConfiguration.createTentModeClosedState;

import android.annotation.NonNull;

import android.content.Context;

import android.hardware.Sensor;

import android.hardware.SensorManager;

import android.hardware.display.DisplayManager;

import com.android.server.devicestate.DeviceStatePolicy;

import com.android.server.devicestate.DeviceStateProvider;

import com.android.server.policy.FoldableDeviceStateProvider.DeviceStateConfiguration;

/**

 * Device state policy for a foldable device that supports tent mode: a mode when the device

 * keeps the outer display on until reaching a certain hinge angle threshold.

 *

 * Contains configuration for {@link FoldableDeviceStateProvider}.

 */

public class TentModeDeviceStatePolicy extends DeviceStatePolicy {

    private static final int DEVICE_STATE_CLOSED = 0;

    private static final int DEVICE_STATE_HALF_OPENED = 1;

    private static final int DEVICE_STATE_OPENED = 2;

    private static final int DEVICE_STATE_REAR_DISPLAY_STATE = 3;

    private static final int DEVICE_STATE_CONCURRENT_INNER_DEFAULT = 4;

    private static final int TENT_MODE_SWITCH_ANGLE_DEGREES = 90;

    private static final int TABLE_TOP_MODE_SWITCH_ANGLE_DEGREES = 125;

    private static final int MIN_CLOSED_ANGLE_DEGREES = 0;

    private static final int MAX_CLOSED_ANGLE_DEGREES = 5;

    private final DeviceStateProvider mProvider;

    /**

     * Creates TentModeDeviceStatePolicy

     *

     * @param context           Android context

     * @param hingeAngleSensor  hinge angle sensor that will be used to switch between states

     * @param hallSensor        hall sensor that will be used to switch between states

     * @param closeAngleDegrees if non-zero, this angle will be used as a threshold to switch

     *                          between folded and unfolded modes, otherwise when folding the

     *                          display switch will happen at 0 degrees

     */

    public TentModeDeviceStatePolicy(@NonNull Context context,

            @NonNull Sensor hingeAngleSensor, @NonNull Sensor hallSensor, int closeAngleDegrees) {

        super(context);

        final SensorManager sensorManager = mContext.getSystemService(SensorManager.class);

        final DisplayManager displayManager = mContext.getSystemService(DisplayManager.class);

        final DeviceStateConfiguration[] configuration = createConfiguration(closeAngleDegrees);

        mProvider = new FoldableDeviceStateProvider(mContext, sensorManager, hingeAngleSensor,

                hallSensor, displayManager, configuration);

    }

    private DeviceStateConfiguration[] createConfiguration(int closeAngleDegrees) {

        return new DeviceStateConfiguration[]{

                createClosedConfiguration(closeAngleDegrees),

                createConfig(DEVICE_STATE_HALF_OPENED,

                        /* name= */ "HALF_OPENED",

                        (provider) -> {

                            final float hingeAngle = provider.getHingeAngle();

                            return hingeAngle >= MAX_CLOSED_ANGLE_DEGREES

                                    && hingeAngle <= TABLE_TOP_MODE_SWITCH_ANGLE_DEGREES;

                        }),

                createConfig(DEVICE_STATE_OPENED,

                        /* name= */ "OPENED",

                        (provider) -> true),

                createConfig(DEVICE_STATE_REAR_DISPLAY_STATE,

                        /* name= */ "REAR_DISPLAY_STATE",

                        /* flags= */ FLAG_EMULATED_ONLY,

                        (provider) -> false),

                createConfig(DEVICE_STATE_CONCURRENT_INNER_DEFAULT,

                        /* name= */ "CONCURRENT_INNER_DEFAULT",

                        /* flags= */ FLAG_EMULATED_ONLY | FLAG_CANCEL_WHEN_REQUESTER_NOT_ON_TOP

                                | FLAG_UNSUPPORTED_WHEN_THERMAL_STATUS_CRITICAL

                                | FLAG_UNSUPPORTED_WHEN_POWER_SAVE_MODE,

                        (provider) -> false)

        };

    }

    private DeviceStateConfiguration createClosedConfiguration(int closeAngleDegrees) {

        if (closeAngleDegrees > 0) {

            // Switch displays at closeAngleDegrees in both ways (folding and unfolding)

            return createConfig(

                    DEVICE_STATE_CLOSED,

                    /* name= */ "CLOSED",

                    /* flags= */ FLAG_CANCEL_OVERRIDE_REQUESTS,

                    (provider) -> {

                        final float hingeAngle = provider.getHingeAngle();

                        return hingeAngle <= closeAngleDegrees;

                    }

            );

        }

        // Switch to the outer display only at 0 degrees but use TENT_MODE_SWITCH_ANGLE_DEGREES

        // angle when switching to the inner display

        return createTentModeClosedState(DEVICE_STATE_CLOSED,

                /* name= */ "CLOSED",

                /* flags= */ FLAG_CANCEL_OVERRIDE_REQUESTS,

                MIN_CLOSED_ANGLE_DEGREES,

                MAX_CLOSED_ANGLE_DEGREES,

                TENT_MODE_SWITCH_ANGLE_DEGREES);

    }

    @Override

    public DeviceStateProvider getDeviceStateProvider() {

        return mProvider;

    }

    @Override

    public void configureDeviceForState(int state, @NonNull Runnable onComplete) {

        onComplete.run();

    }

}