com.pyamsoft.zaptorch.service.VolumeServiceInteractorImpl.java Source code

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Here is the source code for com.pyamsoft.zaptorch.service.VolumeServiceInteractorImpl.java

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/*
 * Copyright 2016 Peter Kenji Yamanaka
 *
 * 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.pyamsoft.zaptorch.service;

import android.app.IntentService;
import android.app.Notification;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.os.Build;
import android.support.annotation.NonNull;
import android.support.v4.app.NotificationManagerCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.NotificationCompat;
import com.pyamsoft.pydroid.tool.AsyncOffloader;
import com.pyamsoft.pydroid.tool.Offloader;
import com.pyamsoft.zaptorch.base.ZapTorchPreferences;

class VolumeServiceInteractorImpl implements VolumeServiceInteractor {

    private static final int NOTIFICATION_ID = 1345;
    private static final int NOTIFICATION_RC = 1009;
    @SuppressWarnings("WeakerAccess")
    @NonNull
    final ZapTorchPreferences preferences;
    private final int cameraApiOld;
    private final int cameraApiLollipop;
    private final int cameraApiMarshmallow;
    @NonNull
    private final Context appContext;
    @NonNull
    private final NotificationManagerCompat notificationManagerCompat;
    @NonNull
    private final Notification notification;

    VolumeServiceInteractorImpl(@NonNull Context context, @NonNull ZapTorchPreferences preferences,
            @NonNull Class<? extends IntentService> torchOffServiceClass) {
        this.appContext = context.getApplicationContext();
        this.preferences = preferences;
        notificationManagerCompat = NotificationManagerCompat.from(appContext);

        // KLUDGE duplication of values between preferences and java code
        cameraApiOld = 0;
        cameraApiLollipop = 1;
        cameraApiMarshmallow = 2;

        final Intent intent = new Intent(appContext, torchOffServiceClass);
        notification = new NotificationCompat.Builder(appContext)
                .setContentIntent(PendingIntent.getService(appContext, NOTIFICATION_RC, intent,
                        PendingIntent.FLAG_UPDATE_CURRENT))
                .setContentTitle("Torch is On").setContentText("Click to turn off")
                .setSmallIcon(R.drawable.ic_light_notification).setAutoCancel(true)
                .setColor(ContextCompat.getColor(appContext, R.color.purple500)).setWhen(0).setOngoing(false)
                .build();
    }

    @NonNull
    @Override
    public Offloader<Long> getButtonDelayTime() {
        return AsyncOffloader.newInstance(preferences::getButtonDelayTime);
    }

    @NonNull
    @Override
    public Offloader<Boolean> shouldShowErrorDialog() {
        return AsyncOffloader.newInstance(preferences::shouldShowErrorDialog);
    }

    @NonNull
    @Override
    public CameraInterface camera() {
        final int cameraApi = preferences.getCameraApi();
        final CameraInterface camera;
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && cameraApi == cameraApiMarshmallow) {
            camera = new MarshmallowCamera(appContext, this);
        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && cameraApi == cameraApiLollipop) {
            camera = new LollipopCamera(appContext, this);
        } else if (cameraApi == cameraApiOld) {
            camera = new OriginalCamera(appContext, this);
        } else {
            throw new RuntimeException("Invalid Camera API selected: " + cameraApi);
        }
        return camera;
    }

    @Override
    public void onOpened() {
        notificationManagerCompat.notify(NOTIFICATION_ID, notification);
    }

    @Override
    public void onClosed() {
        notificationManagerCompat.cancel(NOTIFICATION_ID);
    }

    @Override
    public void onError(@NonNull Intent errorIntent) {
        throw new IllegalStateException("Interactor does not handle errors");
    }
}