AudioComponent.java

/*
 * Copyright (c) 2014. The Trustees of Indiana University.
 *
 * This version of the code is licensed under the MPL 2.0 Open Source license with additional
 * healthcare disclaimer. If the user is an entity intending to commercialize any application
 * that uses this code in a for-profit venture, please contact the copyright holder.
 */

package com.muzima.view.forms;

import android.app.Activity;
import android.content.Intent;
import android.webkit.JavascriptInterface;
import com.muzima.utils.EnDeCrypt;
import com.muzima.utils.StringUtils;
import com.muzima.utils.audio.AudioIntent;
import com.muzima.utils.audio.AudioResult;

import java.io.File;

import static com.muzima.utils.audio.AudioIntent.KEY_AUDIO_CAPTION;
import static com.muzima.utils.audio.AudioIntent.KEY_AUDIO_PATH;
import static com.muzima.utils.audio.AudioIntent.KEY_SECTION_NAME;

public class AudioComponent {

    public static final int REQUEST_CODE = 0x0000c0dd;
    public static final String FORM_UUID = "formUuid";
    private final Activity activity;

    private String audioPathField;
    private String audioCaptionField;


    public AudioComponent(Activity activity) {
        this.activity = activity;
    }

    @JavascriptInterface
    public void startAudioIntent(String sectionName, String audioPathField, String audioPath,
                                 String audioCaptionField, String audioCaption, String formUuid) {
        this.audioPathField = audioPathField;
        this.audioCaptionField = audioCaptionField;
        Intent audioIntent = new Intent(activity.getApplication(), AudioIntent.class);
        audioIntent.putExtra(FORM_UUID, formUuid);
        audioIntent.putExtra(KEY_AUDIO_PATH, audioPath);
        audioIntent.putExtra(KEY_AUDIO_CAPTION, audioCaption);
        audioIntent.putExtra(KEY_SECTION_NAME, sectionName);

        // at this point the audio is encrypted so we decrypt it
        if (!StringUtils.isEmpty(audioPath))
            EnDeCrypt.decrypt(new File(audioPath), "this-is-supposed-to-be-a-secure-key");

        activity.startActivityForResult(audioIntent, REQUEST_CODE);
    }

    public String getAudioPathField() {
        return audioPathField;
    }

    public String getAudioCaptionField() {
        return audioCaptionField;
    }

    public static AudioResult parseActivityResult(int requestCode, int resultCode, Intent intent) {
        if (requestCode == REQUEST_CODE) {
            if (resultCode == Activity.RESULT_OK) {
                String sectionName = intent.getStringExtra(KEY_SECTION_NAME);
                String audioUri = intent.getStringExtra(KEY_AUDIO_PATH);
                String audioCaption = intent.getStringExtra(KEY_AUDIO_CAPTION);

                // now that we have audio we encrypt it and keep the path
                if (!StringUtils.isEmpty(audioUri))
                    EnDeCrypt.encrypt(new File(audioUri), "this-is-supposed-to-be-a-secure-key");

                return new AudioResult(sectionName, audioUri, audioCaption);
            }
        }
        return null;
    }
}