| /* |
| * Copyright (C) 2010 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 android.mtp; |
| |
| /** |
| * Encapsulates the ObjectPropList dataset used by the GetObjectPropList command. |
| * The fields of this class are read by JNI code in android_media_MtpDatabase.cpp |
| */ |
| |
| class MtpPropertyList { |
| |
| // number of results returned |
| private int mCount; |
| // maximum number of results |
| private final int mMaxCount; |
| // result code for GetObjectPropList |
| public int mResult; |
| // list of object handles (first field in quadruplet) |
| public final int[] mObjectHandles; |
| // list of object propery codes (second field in quadruplet) |
| public final int[] mPropertyCodes; |
| // list of data type codes (third field in quadruplet) |
| public final int[] mDataTypes; |
| // list of long int property values (fourth field in quadruplet, when value is integer type) |
| public long[] mLongValues; |
| // list of long int property values (fourth field in quadruplet, when value is string type) |
| public String[] mStringValues; |
| |
| // constructor only called from MtpDatabase |
| public MtpPropertyList(int maxCount, int result) { |
| mMaxCount = maxCount; |
| mResult = result; |
| mObjectHandles = new int[maxCount]; |
| mPropertyCodes = new int[maxCount]; |
| mDataTypes = new int[maxCount]; |
| // mLongValues and mStringValues are created lazily since both might not be necessary |
| } |
| |
| public void append(int handle, int property, int type, long value) { |
| int index = mCount++; |
| if (mLongValues == null) { |
| mLongValues = new long[mMaxCount]; |
| } |
| mObjectHandles[index] = handle; |
| mPropertyCodes[index] = property; |
| mDataTypes[index] = type; |
| mLongValues[index] = value; |
| } |
| |
| public void append(int handle, int property, String value) { |
| int index = mCount++; |
| if (mStringValues == null) { |
| mStringValues = new String[mMaxCount]; |
| } |
| mObjectHandles[index] = handle; |
| mPropertyCodes[index] = property; |
| mDataTypes[index] = MtpConstants.TYPE_STR; |
| mStringValues[index] = value; |
| } |
| |
| public void setResult(int result) { |
| mResult = result; |
| } |
| } |