15ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood/* 25ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood * Copyright (C) 2015 The Android Open Source Project 35ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood * 45ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood * Licensed under the Apache License, Version 2.0 (the "License"); 55ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood * you may not use this file except in compliance with the License. 65ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood * You may obtain a copy of the License at 75ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood * 85ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood * http://www.apache.org/licenses/LICENSE-2.0 95ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood * 105ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood * Unless required by applicable law or agreed to in writing, software 115ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood * distributed under the License is distributed on an "AS IS" BASIS, 125ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 135ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood * See the License for the specific language governing permissions and 145ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood * limitations under the License. 155ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood */ 165ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood 175ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwoodpackage android.media.midi; 185ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood 195ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwoodimport android.os.Parcel; 205ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwoodimport android.os.Parcelable; 215ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood 225ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood/** 235ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood * This is an immutable class that describes the current status of a MIDI device's ports. 245ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood */ 255ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwoodpublic final class MidiDeviceStatus implements Parcelable { 265ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood 275ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood private static final String TAG = "MidiDeviceStatus"; 285ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood 295ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood private final MidiDeviceInfo mDeviceInfo; 3081b9f7d325a552c54e793b51f571ae3d65b26e94Mike Lockwood // true if input ports are open 3181b9f7d325a552c54e793b51f571ae3d65b26e94Mike Lockwood private final boolean mInputPortOpen[]; 325ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood // open counts for output ports 335ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood private final int mOutputPortOpenCount[]; 345ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood 355ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood /** 365ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood * @hide 375ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood */ 3881b9f7d325a552c54e793b51f571ae3d65b26e94Mike Lockwood public MidiDeviceStatus(MidiDeviceInfo deviceInfo, boolean inputPortOpen[], 395ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood int outputPortOpenCount[]) { 405ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood // MidiDeviceInfo is immutable so we can share references 415ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood mDeviceInfo = deviceInfo; 425ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood 435ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood // make copies of the arrays 4481b9f7d325a552c54e793b51f571ae3d65b26e94Mike Lockwood mInputPortOpen = new boolean[inputPortOpen.length]; 4581b9f7d325a552c54e793b51f571ae3d65b26e94Mike Lockwood System.arraycopy(inputPortOpen, 0, mInputPortOpen, 0, inputPortOpen.length); 465ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood mOutputPortOpenCount = new int[outputPortOpenCount.length]; 475ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood System.arraycopy(outputPortOpenCount, 0, mOutputPortOpenCount, 0, 485ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood outputPortOpenCount.length); 495ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood } 505ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood 515ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood /** 5281b9f7d325a552c54e793b51f571ae3d65b26e94Mike Lockwood * Creates a MidiDeviceStatus with zero for all port open counts 535ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood * @hide 545ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood */ 555ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood public MidiDeviceStatus(MidiDeviceInfo deviceInfo) { 565ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood mDeviceInfo = deviceInfo; 5781b9f7d325a552c54e793b51f571ae3d65b26e94Mike Lockwood mInputPortOpen = new boolean[deviceInfo.getInputPortCount()]; 585ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood mOutputPortOpenCount = new int[deviceInfo.getOutputPortCount()]; 595ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood } 605ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood 615ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood /** 625ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood * Returns the {@link MidiDeviceInfo} of the device. 635ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood * 645ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood * @return the device info 655ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood */ 665ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood public MidiDeviceInfo getDeviceInfo() { 675ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood return mDeviceInfo; 685ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood } 695ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood 705ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood /** 7181b9f7d325a552c54e793b51f571ae3d65b26e94Mike Lockwood * Returns true if an input port is open. 727eb441cb4abcd3230a4d243469c5044f49e707c8Mike Lockwood * An input port can only be opened by one client at a time. 735ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood * 7481b9f7d325a552c54e793b51f571ae3d65b26e94Mike Lockwood * @param portNumber the input port's port number 7581b9f7d325a552c54e793b51f571ae3d65b26e94Mike Lockwood * @return input port open status 765ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood */ 7781b9f7d325a552c54e793b51f571ae3d65b26e94Mike Lockwood public boolean isInputPortOpen(int portNumber) { 7881b9f7d325a552c54e793b51f571ae3d65b26e94Mike Lockwood return mInputPortOpen[portNumber]; 795ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood } 805ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood 815ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood /** 827eb441cb4abcd3230a4d243469c5044f49e707c8Mike Lockwood * Returns the number of clients currently connected to the specified output port. 837eb441cb4abcd3230a4d243469c5044f49e707c8Mike Lockwood * Unlike input ports, an output port can be opened by multiple clients at the same time. 845ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood * 8581b9f7d325a552c54e793b51f571ae3d65b26e94Mike Lockwood * @param portNumber the output port's port number 865ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood * @return output port open count 875ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood */ 885ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood public int getOutputPortOpenCount(int portNumber) { 895ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood return mOutputPortOpenCount[portNumber]; 905ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood } 915ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood 925ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood @Override 935ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood public String toString() { 945ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood int inputPortCount = mDeviceInfo.getInputPortCount(); 955ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood int outputPortCount = mDeviceInfo.getOutputPortCount(); 96fd5637fcce18adf44421389bf97a9da546f08940Mike Lockwood StringBuilder builder = new StringBuilder("mInputPortOpen=["); 975ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood for (int i = 0; i < inputPortCount; i++) { 9881b9f7d325a552c54e793b51f571ae3d65b26e94Mike Lockwood builder.append(mInputPortOpen[i]); 995ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood if (i < inputPortCount -1) { 1005ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood builder.append(","); 1015ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood } 1025ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood } 1035ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood builder.append("] mOutputPortOpenCount=["); 1045ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood for (int i = 0; i < outputPortCount; i++) { 1055ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood builder.append(mOutputPortOpenCount[i]); 1065ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood if (i < outputPortCount -1) { 1075ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood builder.append(","); 1085ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood } 1095ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood } 1105ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood builder.append("]"); 1115ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood return builder.toString(); 1125ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood } 1135ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood 1145ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood public static final Parcelable.Creator<MidiDeviceStatus> CREATOR = 1155ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood new Parcelable.Creator<MidiDeviceStatus>() { 1165ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood public MidiDeviceStatus createFromParcel(Parcel in) { 1175ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood ClassLoader classLoader = MidiDeviceInfo.class.getClassLoader(); 1185ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood MidiDeviceInfo deviceInfo = in.readParcelable(classLoader); 11981b9f7d325a552c54e793b51f571ae3d65b26e94Mike Lockwood boolean[] inputPortOpen = in.createBooleanArray(); 1205ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood int[] outputPortOpenCount = in.createIntArray(); 12181b9f7d325a552c54e793b51f571ae3d65b26e94Mike Lockwood return new MidiDeviceStatus(deviceInfo, inputPortOpen, outputPortOpenCount); 1225ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood } 1235ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood 1245ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood public MidiDeviceStatus[] newArray(int size) { 1255ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood return new MidiDeviceStatus[size]; 1265ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood } 1275ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood }; 1285ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood 1295ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood public int describeContents() { 1305ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood return 0; 1315ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood } 1325ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood 1335ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood public void writeToParcel(Parcel parcel, int flags) { 1345ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood parcel.writeParcelable(mDeviceInfo, flags); 13581b9f7d325a552c54e793b51f571ae3d65b26e94Mike Lockwood parcel.writeBooleanArray(mInputPortOpen); 1365ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood parcel.writeIntArray(mOutputPortOpenCount); 1375ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood } 1385ff9e2a1719f78cddc7a23d6572ab15ab595dafdMike Lockwood} 139