1 /* 2 * Copyright (C) 2008 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 com.android.internal.os; 18 19 import android.content.Context; 20 import android.os.Handler; 21 import android.os.Looper; 22 import android.os.Message; 23 24 public class HandlerCaller { 25 26 public final Context mContext; 27 28 final Looper mMainLooper; 29 final Handler mH; 30 31 final Callback mCallback; 32 33 class MyHandler extends Handler { 34 MyHandler(Looper looper, boolean async) { 35 super(looper, null, async); 36 } 37 38 @Override 39 public void handleMessage(Message msg) { 40 mCallback.executeMessage(msg); 41 } 42 } 43 44 public interface Callback { 45 public void executeMessage(Message msg); 46 } 47 48 public HandlerCaller(Context context, Looper looper, Callback callback, 49 boolean asyncHandler) { 50 mContext = context; 51 mMainLooper = looper != null ? looper : context.getMainLooper(); 52 mH = new MyHandler(mMainLooper, asyncHandler); 53 mCallback = callback; 54 } 55 56 public void executeOrSendMessage(Message msg) { 57 // If we are calling this from the main thread, then we can call 58 // right through. Otherwise, we need to send the message to the 59 // main thread. 60 if (Looper.myLooper() == mMainLooper) { 61 mCallback.executeMessage(msg); 62 msg.recycle(); 63 return; 64 } 65 66 mH.sendMessage(msg); 67 } 68 69 public void sendMessageDelayed(Message msg, long delayMillis) { 70 mH.sendMessageDelayed(msg, delayMillis); 71 } 72 73 public boolean hasMessages(int what) { 74 return mH.hasMessages(what); 75 } 76 77 public void removeMessages(int what) { 78 mH.removeMessages(what); 79 } 80 81 public void removeMessages(int what, Object obj) { 82 mH.removeMessages(what, obj); 83 } 84 85 public void sendMessage(Message msg) { 86 mH.sendMessage(msg); 87 } 88 89 public Message obtainMessage(int what) { 90 return mH.obtainMessage(what); 91 } 92 93 public Message obtainMessageBO(int what, boolean arg1, Object arg2) { 94 return mH.obtainMessage(what, arg1 ? 1 : 0, 0, arg2); 95 } 96 97 public Message obtainMessageBOO(int what, boolean arg1, Object arg2, Object arg3) { 98 SomeArgs args = SomeArgs.obtain(); 99 args.arg1 = arg2; 100 args.arg2 = arg3; 101 return mH.obtainMessage(what, arg1 ? 1 : 0, 0, args); 102 } 103 104 public Message obtainMessageO(int what, Object arg1) { 105 return mH.obtainMessage(what, 0, 0, arg1); 106 } 107 108 public Message obtainMessageI(int what, int arg1) { 109 return mH.obtainMessage(what, arg1, 0); 110 } 111 112 public Message obtainMessageII(int what, int arg1, int arg2) { 113 return mH.obtainMessage(what, arg1, arg2); 114 } 115 116 public Message obtainMessageIO(int what, int arg1, Object arg2) { 117 return mH.obtainMessage(what, arg1, 0, arg2); 118 } 119 120 public Message obtainMessageIIO(int what, int arg1, int arg2, Object arg3) { 121 return mH.obtainMessage(what, arg1, arg2, arg3); 122 } 123 124 public Message obtainMessageIIOO(int what, int arg1, int arg2, 125 Object arg3, Object arg4) { 126 SomeArgs args = SomeArgs.obtain(); 127 args.arg1 = arg3; 128 args.arg2 = arg4; 129 return mH.obtainMessage(what, arg1, arg2, args); 130 } 131 132 public Message obtainMessageIOO(int what, int arg1, Object arg2, Object arg3) { 133 SomeArgs args = SomeArgs.obtain(); 134 args.arg1 = arg2; 135 args.arg2 = arg3; 136 return mH.obtainMessage(what, arg1, 0, args); 137 } 138 139 public Message obtainMessageOO(int what, Object arg1, Object arg2) { 140 SomeArgs args = SomeArgs.obtain(); 141 args.arg1 = arg1; 142 args.arg2 = arg2; 143 return mH.obtainMessage(what, 0, 0, args); 144 } 145 146 public Message obtainMessageOOO(int what, Object arg1, Object arg2, Object arg3) { 147 SomeArgs args = SomeArgs.obtain(); 148 args.arg1 = arg1; 149 args.arg2 = arg2; 150 args.arg3 = arg3; 151 return mH.obtainMessage(what, 0, 0, args); 152 } 153 154 public Message obtainMessageOOOO(int what, Object arg1, Object arg2, 155 Object arg3, Object arg4) { 156 SomeArgs args = SomeArgs.obtain(); 157 args.arg1 = arg1; 158 args.arg2 = arg2; 159 args.arg3 = arg3; 160 args.arg4 = arg4; 161 return mH.obtainMessage(what, 0, 0, args); 162 } 163 164 public Message obtainMessageIIII(int what, int arg1, int arg2, 165 int arg3, int arg4) { 166 SomeArgs args = SomeArgs.obtain(); 167 args.argi1 = arg1; 168 args.argi2 = arg2; 169 args.argi3 = arg3; 170 args.argi4 = arg4; 171 return mH.obtainMessage(what, 0, 0, args); 172 } 173 174 public Message obtainMessageIIIIII(int what, int arg1, int arg2, 175 int arg3, int arg4, int arg5, int arg6) { 176 SomeArgs args = SomeArgs.obtain(); 177 args.argi1 = arg1; 178 args.argi2 = arg2; 179 args.argi3 = arg3; 180 args.argi4 = arg4; 181 args.argi5 = arg5; 182 args.argi6 = arg6; 183 return mH.obtainMessage(what, 0, 0, args); 184 } 185 186 public Message obtainMessageIIIIO(int what, int arg1, int arg2, 187 int arg3, int arg4, Object arg5) { 188 SomeArgs args = SomeArgs.obtain(); 189 args.arg1 = arg5; 190 args.argi1 = arg1; 191 args.argi2 = arg2; 192 args.argi3 = arg3; 193 args.argi4 = arg4; 194 return mH.obtainMessage(what, 0, 0, args); 195 } 196 } 197
