common/device-side/bedstead/testapp/src/library/main/java/com/android/bedstead/testapp/TestAppBinder.java

/*
 * 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.bedstead.testapp;

import static android.Manifest.permission.INTERACT_ACROSS_USERS_FULL;
import static android.content.Context.BIND_AUTO_CREATE;

import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.util.Log;

import com.android.bedstead.nene.TestApis;
import com.android.bedstead.nene.permissions.PermissionContext;

import com.google.android.enterprise.connectedapps.ConnectionBinder;
import com.google.android.enterprise.connectedapps.annotations.AvailabilityRestrictions;

/** {@link ConnectionBinder} used by TestApp. */
public final class TestAppBinder implements ConnectionBinder {

    private static final String LOG_TAG = TestAppBinder.class.getName();

    private final TestAppInstanceReference mTestAppInstance;

    public TestAppBinder(TestAppInstanceReference testAppInstance) {
        mTestAppInstance = testAppInstance;
    }

    @Override
    @SuppressWarnings({"MissingPermission", "NewApi"})
    public boolean tryBind(
            Context context,
            ComponentName bindToService,
            ServiceConnection connection,
            AvailabilityRestrictions availabilityRestrictions) {

        Intent bindIntent = new Intent();
        bindIntent.setComponent(new ComponentName(
                mTestAppInstance.testApp().packageName(),
                bindToService.getClassName()));

        Log.i(LOG_TAG, "Attempting to bind to " + bindIntent);

        try (PermissionContext p =
                     TestApis.permissions().withPermission(INTERACT_ACROSS_USERS_FULL)) {
            return context.bindServiceAsUser(bindIntent,
                    connection, /* flags= */ BIND_AUTO_CREATE,
                    mTestAppInstance.user().userHandle());
        } catch (Exception e) {
            // TODO(scottjonathan): This should actually be communicated back...
            //  (catch the exception outside of the tryBind call)
            Log.e(LOG_TAG, "Error binding", e);
            return false;
        }
    }

    @Override
    public boolean bindingIsPossible(Context context,
            AvailabilityRestrictions availabilityRestrictions) {
        return true;
    }

    @Override
    public boolean hasPermissionToBind(Context context) {
        return true;
    }
}