1 /* 2 * Copyright (C) 2007 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 17 package android.ddm; 18 19 import org.apache.harmony.dalvik.ddmc.Chunk; 20 import org.apache.harmony.dalvik.ddmc.ChunkHandler; 21 import org.apache.harmony.dalvik.ddmc.DdmServer; 22 import android.util.Config; 23 import android.util.Log; 24 import java.nio.ByteBuffer; 25 26 27 /** 28 * Track our app name. We don't (currently) handle any inbound packets. 29 */ 30 public class DdmHandleAppName extends ChunkHandler { 31 32 public static final int CHUNK_APNM = type("APNM"); 33 34 private volatile static String mAppName = ""; 35 36 private static DdmHandleAppName mInstance = new DdmHandleAppName(); 37 38 39 /* singleton, do not instantiate */ DdmHandleAppName()40 private DdmHandleAppName() {} 41 42 /** 43 * Register for the messages we're interested in. 44 */ register()45 public static void register() {} 46 47 /** 48 * Called when the DDM server connects. The handler is allowed to 49 * send messages to the server. 50 */ connected()51 public void connected() {} 52 53 /** 54 * Called when the DDM server disconnects. Can be used to disable 55 * periodic transmissions or clean up saved state. 56 */ disconnected()57 public void disconnected() {} 58 59 /** 60 * Handle a chunk of data. 61 */ handleChunk(Chunk request)62 public Chunk handleChunk(Chunk request) { 63 return null; 64 } 65 66 67 68 /** 69 * Set the application name. Called when we get named, which may be 70 * before or after DDMS connects. For the latter we need to send up 71 * an APNM message. 72 */ setAppName(String name)73 public static void setAppName(String name) { 74 if (name == null || name.length() == 0) 75 return; 76 77 mAppName = name; 78 79 // if DDMS is already connected, send the app name up 80 sendAPNM(name); 81 } 82 getAppName()83 public static String getAppName() { 84 return mAppName; 85 } 86 87 /* 88 * Send an APNM (APplication NaMe) chunk. 89 */ sendAPNM(String appName)90 private static void sendAPNM(String appName) { 91 if (Config.LOGV) 92 Log.v("ddm", "Sending app name"); 93 94 ByteBuffer out = ByteBuffer.allocate(4 + appName.length()*2); 95 out.order(ChunkHandler.CHUNK_ORDER); 96 out.putInt(appName.length()); 97 putString(out, appName); 98 99 Chunk chunk = new Chunk(CHUNK_APNM, out); 100 DdmServer.sendChunk(chunk); 101 } 102 103 } 104 105