| /* |
| * Copyright (C) 2016 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.printservice.recommendation.plugin.xerox; |
| |
| import android.content.Context; |
| import android.net.nsd.NsdManager; |
| |
| import androidx.annotation.NonNull; |
| |
| import com.android.printservice.recommendation.PrintServicePlugin; |
| import com.android.printservice.recommendation.R; |
| |
| public class XeroxPrintServiceRecommendationPlugin implements PrintServicePlugin, ServiceResolver.Observer { |
| |
| protected final Object mLock = new Object(); |
| protected PrinterDiscoveryCallback mDiscoveryCallback = null; |
| protected final ServiceResolver mServiceResolver; |
| protected final NsdManager mNSDManager; |
| protected final VendorInfo mVendorInfo; |
| private final int mVendorStringID = R.string.plugin_vendor_xerox; |
| private final String PDL__PDF = "application/pdf"; |
| private final String[] mServices = new String[]{"_ipp._tcp"}; |
| |
| public XeroxPrintServiceRecommendationPlugin(Context context) { |
| mNSDManager = (NsdManager) context.getSystemService(Context.NSD_SERVICE); |
| mVendorInfo = new VendorInfo(context.getResources(), R.array.known_print_vendor_info_for_xerox); |
| mServiceResolver = new ServiceResolver(context, this, mVendorInfo, mServices, new String[]{PDL__PDF}); |
| } |
| |
| @Override |
| public int getName() { |
| return mVendorStringID; |
| } |
| |
| @NonNull |
| @Override |
| public CharSequence getPackageName() { |
| return mVendorInfo.mPackageName; |
| } |
| |
| @Override |
| public void start(@NonNull PrinterDiscoveryCallback callback) throws Exception { |
| synchronized (mLock) { |
| mDiscoveryCallback = callback; |
| mServiceResolver.start(); |
| } |
| } |
| |
| @Override |
| public void stop() throws Exception { |
| synchronized (mLock) { |
| mDiscoveryCallback = null; |
| mServiceResolver.stop(); |
| } |
| } |
| |
| @Override |
| public void dataSetChanged() { |
| synchronized (mLock) { |
| if (mDiscoveryCallback != null) { |
| mDiscoveryCallback.onChanged(mServiceResolver.getPrinters()); |
| } |
| } |
| } |
| } |