org.deviceconnect.android.deviceplugin.host.recorder.AbstractPreviewServerProvider.java Source code

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Here is the source code for org.deviceconnect.android.deviceplugin.host.recorder.AbstractPreviewServerProvider.java

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/*
 HostDevicePreviewServer.java
 Copyright (c) 2014 NTT DOCOMO,INC.
 Released under the MIT license
 http://opensource.org/licenses/mit-license.php
 */
package org.deviceconnect.android.deviceplugin.host.recorder;

import android.app.Notification;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Build;
import android.preference.PreferenceManager;
import android.support.v4.app.NotificationCompat;

import org.deviceconnect.android.deviceplugin.host.R;

/**
 * Host Device Preview Server.
 *
 * @author NTT DOCOMO, INC.
 */
public abstract class AbstractPreviewServerProvider implements PreviewServerProvider, HostDeviceRecorder {

    /**
     * .
     */
    private Context mContext;

    /**
     * ID.
     */
    private int mNotificationId;

    /**
     * .
     * @param context 
     * @param notificationId ID
     */
    public AbstractPreviewServerProvider(final Context context, final int notificationId) {
        mContext = context;
        mNotificationId = notificationId;
    }

    @Override
    public void stopWebServers() {
        for (PreviewServer server : getServers()) {
            server.stopWebServer();
        }
    }

    /**
     * NotificationId????.
     * @return NotificationId
     */
    private int getNotificationId() {
        return mNotificationId;
    }

    /**
     * Notification?.
     */
    public void hideNotification() {
        NotificationManager manager = (NotificationManager) mContext.getSystemService(Service.NOTIFICATION_SERVICE);
        manager.cancel(getId(), getNotificationId());
    }

    /**
     * Notification??.
     */
    public void sendNotification() {
        PendingIntent contentIntent = createPendingIntent();
        Notification notification = createNotification(contentIntent, null);
        NotificationManager manager = (NotificationManager) mContext.getSystemService(Service.NOTIFICATION_SERVICE);

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            String channelId = mContext.getResources().getString(R.string.overlay_preview_channel_id);
            NotificationChannel channel = new NotificationChannel(channelId,
                    mContext.getResources().getString(R.string.overlay_preview_content_title),
                    NotificationManager.IMPORTANCE_LOW);
            channel.setDescription(mContext.getResources().getString(R.string.overlay_preview_content_message));
            manager.createNotificationChannel(channel);
            notification = createNotification(contentIntent, channelId);
        }
        manager.notify(getId(), getNotificationId(), notification);
    }

    /**
     * Notification??.
     * @param pendingIntent Notification????????Intent
     * @return Notification
     */
    private Notification createNotification(final PendingIntent pendingIntent, final String channelId) {
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
            NotificationCompat.Builder builder = new NotificationCompat.Builder(mContext.getApplicationContext());
            builder.setContentIntent(pendingIntent);
            builder.setTicker(mContext.getString(R.string.overlay_preview_ticker));
            builder.setSmallIcon(R.drawable.dconnect_icon);
            builder.setContentTitle(
                    mContext.getString(R.string.overlay_preview_content_title) + " (" + getName() + ")");
            builder.setContentText(mContext.getString(R.string.overlay_preview_content_message));
            builder.setWhen(System.currentTimeMillis());
            builder.setAutoCancel(true);
            builder.setOngoing(true);
            return builder.build();
        } else {
            Notification.Builder builder = new Notification.Builder(mContext.getApplicationContext());
            builder.setContentIntent(pendingIntent);
            builder.setTicker(mContext.getString(R.string.overlay_preview_ticker));
            int iconType = Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP ? R.drawable.dconnect_icon
                    : R.drawable.dconnect_icon_lollipop;
            builder.setSmallIcon(iconType);
            builder.setContentTitle(
                    mContext.getString(R.string.overlay_preview_content_title) + " (" + getName() + ")");
            builder.setContentText(mContext.getString(R.string.overlay_preview_content_message));
            builder.setWhen(System.currentTimeMillis());
            builder.setAutoCancel(true);
            builder.setOngoing(true);
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O && channelId != null) {
                builder.setChannelId(channelId);
            }
            return builder.build();
        }
    }

    /**
     * PendingIntent??.
     * @return PendingIntent
     */
    private PendingIntent createPendingIntent() {
        Intent intent = new Intent();
        intent.setAction(DELETE_PREVIEW_ACTION);
        intent.putExtra(EXTRA_CAMERA_ID, getId());
        return PendingIntent.getBroadcast(mContext, getNotificationId(), intent, 0);
    }

    public Context getContext() {
        return mContext;
    }

    public void setPreviewQuality(final PreviewServer server, final int quality) {
        server.setQuality(quality);
        storePreviewQuality(server, quality);
    }

    private SharedPreferences getSharedPreferences() {
        return PreferenceManager.getDefaultSharedPreferences(getContext());
    }

    protected void storePreviewQuality(final PreviewServer server, int quality) {
        getSharedPreferences().edit().putInt(getPreviewQualityKey(server), quality).apply();
    }

    protected int readPreviewQuality(final PreviewServer server) {
        return getSharedPreferences().getInt(getPreviewQualityKey(server),
                getDefaultPreviewQuality(server.getMimeType()));
    }

    protected abstract int getDefaultPreviewQuality(final String mimeType);

    private String getPreviewQualityKey(final PreviewServer server) {
        return getId() + "-" + server.getMimeType() + "-preview-quality";
    }

}