| /* |
| * Copyright (C) 2008 Esmertec AG. |
| * Copyright (C) 2008 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.mms.transaction; |
| |
| import org.apache.http.entity.ByteArrayEntity; |
| |
| import android.content.Context; |
| import android.content.Intent; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| public class ProgressCallbackEntity extends ByteArrayEntity { |
| private static final int DEFAULT_PIECE_SIZE = 4096; |
| |
| public static final String PROGRESS_STATUS_ACTION = "com.android.mms.PROGRESS_STATUS"; |
| public static final int PROGRESS_START = -1; |
| public static final int PROGRESS_ABORT = -2; |
| public static final int PROGRESS_COMPLETE = 100; |
| |
| private final Context mContext; |
| private final byte[] mContent; |
| private final long mToken; |
| |
| public ProgressCallbackEntity(Context context, long token, byte[] b) { |
| super(b); |
| |
| mContext = context; |
| mContent = b; |
| mToken = token; |
| } |
| |
| @Override |
| public void writeTo(final OutputStream outstream) throws IOException { |
| if (outstream == null) { |
| throw new IllegalArgumentException("Output stream may not be null"); |
| } |
| |
| boolean completed = false; |
| try { |
| broadcastProgressIfNeeded(PROGRESS_START); |
| |
| int pos = 0, totalLen = mContent.length; |
| while (pos < totalLen) { |
| int len = totalLen - pos; |
| if (len > DEFAULT_PIECE_SIZE) { |
| len = DEFAULT_PIECE_SIZE; |
| } |
| outstream.write(mContent, pos, len); |
| outstream.flush(); |
| |
| pos += len; |
| |
| broadcastProgressIfNeeded(100 * pos / totalLen); |
| } |
| |
| broadcastProgressIfNeeded(PROGRESS_COMPLETE); |
| completed = true; |
| } finally { |
| if (!completed) { |
| broadcastProgressIfNeeded(PROGRESS_ABORT); |
| } |
| } |
| } |
| |
| private void broadcastProgressIfNeeded(int progress) { |
| if (mToken > 0) { |
| Intent intent = new Intent(PROGRESS_STATUS_ACTION); |
| intent.putExtra("progress", progress); |
| intent.putExtra("token", mToken); |
| mContext.sendBroadcast(intent); |
| } |
| } |
| } |