Introduce InputMethodBindingController

/*

 * Copyright (C) 2021 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.inputmethod;

import android.annotation.NonNull;

/**

 * A controller managing the state of the input method binding.

 */

final class InputMethodBindingController {

    static final boolean DEBUG = false;

    private static final String TAG = InputMethodBindingController.class.getSimpleName();

    private final InputMethodManagerService mService;

    InputMethodBindingController(@NonNull InputMethodManagerService service) {

        mService = service;

    }

}

    private final UserManager mUserManager;

    private final UserManagerInternal mUserManagerInternal;

    private final InputMethodMenuController mMenuController;

    private final InputMethodBindingController mBindingController;

    /**

     * Cache the result of {@code LocalServices.getService(AudioManagerInternal.class)}.

        mSwitchingController = InputMethodSubtypeSwitchingController.createInstanceLocked(

                mSettings, context);

        mMenuController = new InputMethodMenuController(this);

        mBindingController = new InputMethodBindingController(this);

        // If configured, use low priority flags to make the IME killable by the lowmemorykiller

        final boolean lowerIMEPriority = mRes.getBoolean(