/*
 * 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 com.android.common.userhappiness;

import android.content.Intent;
import android.content.Context;
import com.android.common.speech.LoggingEvents;

/**
 * Metrics for User Happiness are recorded here. Each app can define when to
 * call these User Happiness metrics.
 */
public class UserHappinessSignals {
    // So that we don't send logging events to VoiceSearch when there is nothing to
    // log, IME will setHasVoiceLoggingInfo if there has been any voice activity,
    // such as recognition results returned.
    private static boolean mHasVoiceLoggingInfo = false;

   /**
    *  Record whether or not there has been Voice-Input activity which
    *  needs to be logged. This is called with a value of true by the IME,
    *  when logging events (such as VoiceInputDelivered) occur, and is should
    *  be set to false after the logging broadcast is sent.
    */
    public static void setHasVoiceLoggingInfo(boolean hasVoiceLogging) {
        mHasVoiceLoggingInfo = hasVoiceLogging;
    }

    /**
     *  Log when a user "accepted" IME text. Each application can define what
     *  it means to "accept" text. In the case of Gmail, pressing the "Send"
     *  button indicates text acceptance. We broadcast this information to
     *  VoiceSearch LoggingEvents and use it to aggregate VoiceIME Happiness Metrics
     */
    public static void userAcceptedImeText(Context context) {
        // Create a Voice IME Logging intent only if there are logging actions
        if (mHasVoiceLoggingInfo) {
            Intent i = new Intent(LoggingEvents.ACTION_LOG_EVENT);
            i.putExtra(LoggingEvents.EXTRA_APP_NAME, LoggingEvents.VoiceIme.APP_NAME);
            i.putExtra(LoggingEvents.EXTRA_EVENT, LoggingEvents.VoiceIme.IME_TEXT_ACCEPTED);
            i.putExtra(LoggingEvents.EXTRA_CALLING_APP_NAME, context.getPackageName());
            i.putExtra(LoggingEvents.EXTRA_TIMESTAMP, System.currentTimeMillis());
            context.sendBroadcast(i);
            setHasVoiceLoggingInfo(false);
        }
    }

}