VideoComponent.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.net.Uri;
import android.os.Environment;
import android.webkit.JavascriptInterface;
import com.muzima.utils.EnDeCrypt;
import com.muzima.utils.StringUtils;
import com.muzima.utils.video.VideoIntent;
import com.muzima.utils.video.VideoResult;

import java.io.File;

public class VideoComponent {
    private final static String TAG = "VideoComponent";

    public static final int REQUEST_CODE = 0x0000c0df;
    public static final String FORM_UUID = "formUuid";
    private final Activity activity;

    private String videoPathField;
    private String videoCaptionField;


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

    @JavascriptInterface
    public void openVideo(String videoUri){
        if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
            Intent startVideo = new Intent(Intent.ACTION_VIEW);
            Uri uri = Uri.parse(Environment.getExternalStorageDirectory().getPath() + videoUri);
            startVideo.setDataAndType(uri, "video/*");
            activity.startActivity(startVideo);
        }
    }
    @JavascriptInterface
    public void startVideoIntent(String sectionName, String videoPathField, String videoPath,
                                 String videoCaptionField, String videoCaption, String formUuid) {
        this.videoPathField = videoPathField;
        this.videoCaptionField = videoCaptionField;
        Intent videoIntent = new Intent(activity.getApplication(), VideoIntent.class);
        videoIntent.putExtra(FORM_UUID, formUuid);
        videoIntent.putExtra(VideoIntent.KEY_VIDEO_PATH, videoPath);
        videoIntent.putExtra(VideoIntent.KEY_VIDEO_CAPTION, videoCaption);
        videoIntent.putExtra(VideoIntent.KEY_SECTION_NAME, sectionName);

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

        activity.startActivityForResult(videoIntent, REQUEST_CODE);
    }

    public String getVideoPathField() {
        return videoPathField;
    }

    public String getVideoCaptionField() {
        return videoCaptionField;
    }

    public static VideoResult parseActivityResult(int requestCode, int resultCode, Intent intent) {
        if (requestCode == REQUEST_CODE) {
            if (resultCode == Activity.RESULT_OK) {
                String sectionName = intent.getStringExtra(VideoIntent.KEY_SECTION_NAME);
                String videoUri = intent.getStringExtra(VideoIntent.KEY_VIDEO_PATH);
                String videoCaption = intent.getStringExtra(VideoIntent.KEY_VIDEO_CAPTION);

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

                return new VideoResult(sectionName, videoUri, videoCaption);
            }
        }
        return null;
    }
}