Adds UniversalSmartspaceUtils to be shared between Launcher and SysUI.

/*

 * Copyright (C) 2020 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.systemui.shared.system;

import android.content.Intent;

import android.os.Bundle;

import android.os.IBinder;

import android.view.SurfaceControl;

import android.view.SurfaceView;

/** Utility class that is shared between SysUI and Launcher for Universal Smartspace features. */

public final class UniversalSmartspaceUtils {

    public static final String ACTION_REQUEST_SMARTSPACE_VIEW =

            "com.android.systemui.REQUEST_SMARTSPACE_VIEW";

    private static final String SYSUI_PACKAGE = "com.android.systemui";

    private static final String INTENT_KEY_INPUT_BUNDLE = "input_bundle";

    private static final String BUNDLE_KEY_INPUT_TOKEN = "input_token";

    private static final String INTENT_KEY_SURFACE_CONTROL = "surface_control";

    /** Creates an intent to request that sysui draws the Smartspace to the SurfaceView. */

    public static Intent createRequestSmartspaceIntent(SurfaceView surfaceView) {

        Intent intent = new Intent(ACTION_REQUEST_SMARTSPACE_VIEW);

        Bundle inputBundle = new Bundle();

        inputBundle.putBinder(BUNDLE_KEY_INPUT_TOKEN, surfaceView.getInputToken());

        return intent

                .putExtra(INTENT_KEY_SURFACE_CONTROL, surfaceView.getSurfaceControl())

                .putExtra(INTENT_KEY_INPUT_BUNDLE, inputBundle)

                .setPackage(SYSUI_PACKAGE)

                .addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY

                        | Intent.FLAG_RECEIVER_FOREGROUND);

    }

    /**

     * Retrieves the SurfaceControl from an Intent created by

     * {@link #createRequestSmartspaceIntent(SurfaceView)}.

     **/

    public static SurfaceControl getSurfaceControl(Intent intent) {

        return intent.getParcelableExtra(INTENT_KEY_SURFACE_CONTROL);

    }

    /**

     * Retrieves the input token from an Intent created by

     * {@link #createRequestSmartspaceIntent(SurfaceView)}.

     **/

    public static IBinder getInputToken(Intent intent) {

        Bundle inputBundle = intent.getBundleExtra(INTENT_KEY_INPUT_BUNDLE);

        return inputBundle == null ? null : inputBundle.getBinder(BUNDLE_KEY_INPUT_TOKEN);

    }

    private UniversalSmartspaceUtils() {}

}