| /* |
| * Copyright (C) 2016 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.os; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| |
| import libcore.util.NativeAllocationRegistry; |
| |
| /** @hide */ |
| public class HwParcel { |
| private static final String TAG = "HwParcel"; |
| |
| public static final int STATUS_SUCCESS = 0; |
| public static final int STATUS_ERROR = -1; |
| |
| private static final NativeAllocationRegistry sNativeRegistry; |
| |
| private HwParcel(boolean allocate) { |
| native_setup(allocate); |
| |
| sNativeRegistry.registerNativeAllocation( |
| this, |
| mNativeContext); |
| } |
| |
| public HwParcel() { |
| native_setup(true /* allocate */); |
| |
| sNativeRegistry.registerNativeAllocation( |
| this, |
| mNativeContext); |
| } |
| |
| public native final void writeInterfaceToken(String interfaceName); |
| public native final void writeBool(boolean val); |
| public native final void writeInt8(byte val); |
| public native final void writeInt16(short val); |
| public native final void writeInt32(int val); |
| public native final void writeInt64(long val); |
| public native final void writeFloat(float val); |
| public native final void writeDouble(double val); |
| public native final void writeString(String val); |
| |
| private native final void writeBoolVector(boolean[] val); |
| private native final void writeInt8Vector(byte[] val); |
| private native final void writeInt16Vector(short[] val); |
| private native final void writeInt32Vector(int[] val); |
| private native final void writeInt64Vector(long[] val); |
| private native final void writeFloatVector(float[] val); |
| private native final void writeDoubleVector(double[] val); |
| private native final void writeStringVector(String[] val); |
| |
| public final void writeBoolVector(ArrayList<Boolean> val) { |
| final int n = val.size(); |
| boolean[] array = new boolean[n]; |
| for (int i = 0; i < n; ++i) { |
| array[i] = val.get(i); |
| } |
| |
| writeBoolVector(array); |
| } |
| |
| public final void writeInt8Vector(ArrayList<Byte> val) { |
| final int n = val.size(); |
| byte[] array = new byte[n]; |
| for (int i = 0; i < n; ++i) { |
| array[i] = val.get(i); |
| } |
| |
| writeInt8Vector(array); |
| } |
| |
| public final void writeInt16Vector(ArrayList<Short> val) { |
| final int n = val.size(); |
| short[] array = new short[n]; |
| for (int i = 0; i < n; ++i) { |
| array[i] = val.get(i); |
| } |
| |
| writeInt16Vector(array); |
| } |
| |
| public final void writeInt32Vector(ArrayList<Integer> val) { |
| final int n = val.size(); |
| int[] array = new int[n]; |
| for (int i = 0; i < n; ++i) { |
| array[i] = val.get(i); |
| } |
| |
| writeInt32Vector(array); |
| } |
| |
| public final void writeInt64Vector(ArrayList<Long> val) { |
| final int n = val.size(); |
| long[] array = new long[n]; |
| for (int i = 0; i < n; ++i) { |
| array[i] = val.get(i); |
| } |
| |
| writeInt64Vector(array); |
| } |
| |
| public final void writeFloatVector(ArrayList<Float> val) { |
| final int n = val.size(); |
| float[] array = new float[n]; |
| for (int i = 0; i < n; ++i) { |
| array[i] = val.get(i); |
| } |
| |
| writeFloatVector(array); |
| } |
| |
| public final void writeDoubleVector(ArrayList<Double> val) { |
| final int n = val.size(); |
| double[] array = new double[n]; |
| for (int i = 0; i < n; ++i) { |
| array[i] = val.get(i); |
| } |
| |
| writeDoubleVector(array); |
| } |
| |
| public final void writeStringVector(ArrayList<String> val) { |
| writeStringVector(val.toArray(new String[val.size()])); |
| } |
| |
| public native final void writeStrongBinder(IHwBinder binder); |
| |
| public native final void enforceInterface(String interfaceName); |
| public native final boolean readBool(); |
| public native final byte readInt8(); |
| public native final short readInt16(); |
| public native final int readInt32(); |
| public native final long readInt64(); |
| public native final float readFloat(); |
| public native final double readDouble(); |
| public native final String readString(); |
| |
| private native final boolean[] readBoolVectorAsArray(); |
| private native final byte[] readInt8VectorAsArray(); |
| private native final short[] readInt16VectorAsArray(); |
| private native final int[] readInt32VectorAsArray(); |
| private native final long[] readInt64VectorAsArray(); |
| private native final float[] readFloatVectorAsArray(); |
| private native final double[] readDoubleVectorAsArray(); |
| private native final String[] readStringVectorAsArray(); |
| |
| public final ArrayList<Boolean> readBoolVector() { |
| Boolean[] array = HwBlob.wrapArray(readBoolVectorAsArray()); |
| |
| return new ArrayList<Boolean>(Arrays.asList(array)); |
| } |
| |
| public final ArrayList<Byte> readInt8Vector() { |
| Byte[] array = HwBlob.wrapArray(readInt8VectorAsArray()); |
| |
| return new ArrayList<Byte>(Arrays.asList(array)); |
| } |
| |
| public final ArrayList<Short> readInt16Vector() { |
| Short[] array = HwBlob.wrapArray(readInt16VectorAsArray()); |
| |
| return new ArrayList<Short>(Arrays.asList(array)); |
| } |
| |
| public final ArrayList<Integer> readInt32Vector() { |
| Integer[] array = HwBlob.wrapArray(readInt32VectorAsArray()); |
| |
| return new ArrayList<Integer>(Arrays.asList(array)); |
| } |
| |
| public final ArrayList<Long> readInt64Vector() { |
| Long[] array = HwBlob.wrapArray(readInt64VectorAsArray()); |
| |
| return new ArrayList<Long>(Arrays.asList(array)); |
| } |
| |
| public final ArrayList<Float> readFloatVector() { |
| Float[] array = HwBlob.wrapArray(readFloatVectorAsArray()); |
| |
| return new ArrayList<Float>(Arrays.asList(array)); |
| } |
| |
| public final ArrayList<Double> readDoubleVector() { |
| Double[] array = HwBlob.wrapArray(readDoubleVectorAsArray()); |
| |
| return new ArrayList<Double>(Arrays.asList(array)); |
| } |
| |
| public final ArrayList<String> readStringVector() { |
| return new ArrayList<String>(Arrays.asList(readStringVectorAsArray())); |
| } |
| |
| public native final IHwBinder readStrongBinder(); |
| |
| // Handle is stored as part of the blob. |
| public native final HwBlob readBuffer(); |
| |
| public native final HwBlob readEmbeddedBuffer( |
| long parentHandle, long offset, boolean nullable); |
| |
| public native final void writeBuffer(HwBlob blob); |
| |
| public native final void writeStatus(int status); |
| public native final void verifySuccess(); |
| public native final void releaseTemporaryStorage(); |
| |
| public native final void send(); |
| |
| // Returns address of the "freeFunction". |
| private static native final long native_init(); |
| |
| private native final void native_setup(boolean allocate); |
| |
| static { |
| long freeFunction = native_init(); |
| |
| sNativeRegistry = new NativeAllocationRegistry( |
| HwParcel.class.getClassLoader(), |
| freeFunction, |
| 128 /* size */); |
| } |
| |
| private long mNativeContext; |
| } |
| |