Merge "Dump HeadsetClientStateMachine state log"

import com.android.internal.annotations.VisibleForTesting;

import com.android.internal.util.ArrayUtils;

import java.io.FileDescriptor;

import java.io.PrintWriter;

import java.io.StringWriter;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.HashSet;

import java.util.LinkedList;

import java.util.List;

import java.util.Queue;

import java.util.Scanner;

import java.util.Set;

public class HeadsetClientStateMachine extends StateMachine {

    public void dump(StringBuilder sb) {

        if (mCurrentDevice == null) return;

        ProfileService.println(sb,

                "==== StateMachine for " + mCurrentDevice + " ====");

        ProfileService.println(sb, "  mCurrentDevice: " + mCurrentDevice.getAddress() + "("

                + mCurrentDevice.getName() + ") " + this.toString());

        ProfileService.println(sb, "  mAudioState: " + mAudioState);

                ProfileService.println(sb, "    " + call);

            }

        }

        // Dump the state machine logs

        StringWriter stringWriter = new StringWriter();

        PrintWriter printWriter = new PrintWriter(stringWriter);

        super.dump(new FileDescriptor(), printWriter, new String[]{});

        printWriter.flush();

        stringWriter.flush();

        ProfileService.println(sb, "  StateMachineLog:");

        Scanner scanner = new Scanner(stringWriter.toString());

        while (scanner.hasNextLine()) {

            String line = scanner.nextLine();

            ProfileService.println(sb, "    " + line);

        }

    }

    @Override

    protected String getLogRecString(Message msg) {

        StringBuilder builder = new StringBuilder();

        builder.append(getMessageName(msg.what));

        builder.append(": ");

        builder.append("arg1=")

                .append(msg.arg1)

                .append(", arg2=")

                .append(msg.arg2)

                .append(", obj=")

                .append(msg.obj);

        return builder.toString();

    }

    private static String getMessageName(int what) {

        switch (what) {

            case StackEvent.STACK_EVENT:

                return "STACK_EVENT";

            case CONNECT:

                return "CONNECT";

            case DISCONNECT:

                return "DISCONNECT";

            case CONNECT_AUDIO:

                return "CONNECT_AUDIO";

            case DISCONNECT_AUDIO:

                return "DISCONNECT_AUDIO";

            case VOICE_RECOGNITION_START:

                return "VOICE_RECOGNITION_START";

            case VOICE_RECOGNITION_STOP:

                return "VOICE_RECOGNITION_STOP";

            case SET_MIC_VOLUME:

                return "SET_MIC_VOLUME";

            case SET_SPEAKER_VOLUME:

                return "SET_SPEAKER_VOLUME";

            case DIAL_NUMBER:

                return "DIAL_NUMBER";

            case ACCEPT_CALL:

                return "ACCEPT_CALL";

            case REJECT_CALL:

                return "REJECT_CALL";

            case HOLD_CALL:

                return "HOLD_CALL";

            case TERMINATE_CALL:

                return "TERMINATE_CALL";

            case ENTER_PRIVATE_MODE:

                return "ENTER_PRIVATE_MODE";

            case SEND_DTMF:

                return "SEND_DTMF";

            case EXPLICIT_CALL_TRANSFER:

                return "EXPLICIT_CALL_TRANSFER";

            case DISABLE_NREC:

                return "DISABLE_NREC";

            case SEND_VENDOR_AT_COMMAND:

                return "SEND_VENDOR_AT_COMMAND";

            case QUERY_CURRENT_CALLS:

                return "QUERY_CURRENT_CALLS";

            case QUERY_OPERATOR_NAME:

                return "QUERY_OPERATOR_NAME";

            case SUBSCRIBER_INFO:

                return "SUBSCRIBER_INFO";

            case CONNECTING_TIMEOUT:

                return "CONNECTING_TIMEOUT";

            default:

                return "UNKNOWN(" + what + ")";

        }

    }

    private void clearPendingAction() {