1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.printservice.recommendation.plugin.xerox; 17 18 import android.annotation.NonNull; 19 import android.content.Context; 20 import android.net.nsd.NsdManager; 21 22 import com.android.printservice.recommendation.PrintServicePlugin; 23 import com.android.printservice.recommendation.R; 24 25 public class XeroxPrintServiceRecommendationPlugin implements PrintServicePlugin, ServiceResolver.Observer { 26 27 protected final Object mLock = new Object(); 28 protected PrinterDiscoveryCallback mDiscoveryCallback = null; 29 protected final ServiceResolver mServiceResolver; 30 protected final NsdManager mNSDManager; 31 protected final VendorInfo mVendorInfo; 32 private final int mVendorStringID = R.string.plugin_vendor_xerox; 33 private final String PDL__PDF = "application/pdf"; 34 private final String[] mServices = new String[]{"_ipp._tcp"}; 35 36 public XeroxPrintServiceRecommendationPlugin(Context context) { 37 mNSDManager = (NsdManager) context.getSystemService(Context.NSD_SERVICE); 38 mVendorInfo = new VendorInfo(context.getResources(), R.array.known_print_vendor_info_for_xerox); 39 mServiceResolver = new ServiceResolver(context, this, mVendorInfo, mServices, new String[]{PDL__PDF}); 40 } 41 42 @Override 43 public int getName() { 44 return mVendorStringID; 45 } 46 47 @NonNull 48 @Override 49 public CharSequence getPackageName() { 50 return mVendorInfo.mPackageName; 51 } 52 53 @Override 54 public void start(@NonNull PrinterDiscoveryCallback callback) throws Exception { 55 synchronized (mLock) { 56 mDiscoveryCallback = callback; 57 mServiceResolver.start(); 58 } 59 } 60 61 @Override 62 public void stop() throws Exception { 63 synchronized (mLock) { 64 mDiscoveryCallback = null; 65 mServiceResolver.stop(); 66 } 67 } 68 69 @Override 70 public void dataSetChanged() { 71 synchronized (mLock) { 72 if (mDiscoveryCallback != null) { 73 mDiscoveryCallback.onChanged(mServiceResolver.getPrinters()); 74 } 75 } 76 } 77 } 78
