com.softwaresemantics.diyglsllwp.InternetAsyncShaderTask.java Source code

Introduction

Here is the source code for com.softwaresemantics.diyglsllwp.InternetAsyncShaderTask.java

Source

/*******************************************************************************
 * Cyril M. Hansen 2013
 * 
 * Licences :
 * Creative Commons Attribution-ShareAlike 3.0
 * Creative Commons Attribution - Partage dans les Mmes Conditions 3.0 France
 * 
 * http://creativecommons.org/licenses/by-sa/3.0
 * http://creativecommons.org/licenses/by-sa/3.0/fr/
 * 
 * Sources :
 * https://github.com/cyrilmhansen/DIYGlslLwp
 ******************************************************************************/
package com.softwaresemantics.diyglsllwp;

import org.json.JSONObject;

import android.os.AsyncTask;
import android.util.Log;

import com.github.kevinsawicki.http.HttpRequest;

public class InternetAsyncShaderTask extends AsyncTask<String, Void, String> {

    private static final String CODE = "code";
    private ShaderGalleryActivity parentActivity;
    private int rowIndex;

    public InternetAsyncShaderTask(ShaderGalleryActivity parentActivity, int rowIndex) {
        this.parentActivity = parentActivity;
        this.rowIndex = rowIndex;
    }

    protected String doInBackground(String... urls) {
        try {
            // URL access...
            Log.d("loading shader from", urls[0]);
            String response = HttpRequest.get(urls[0]).body();

            // Log.d("result (shader)", response);

            // It's really json, code has its own attribute...
            JSONObject json = new JSONObject(response);
            String code = json.getString(CODE);
            Log.d("result (shader)", code);

            // notification fin chargment dans le thread UI
            this.parentActivity.runOnUiThread(new ShaderLauncher(parentActivity, code, rowIndex));

            return response;
        } catch (Exception e) {
            // log this anyway
            Log.e("InternetAsyncShaderTask", "error during task", e);

            // let's hope it will not crash again
            return null;
        }
    }

    class ShaderLauncher implements Runnable {

        private ShaderGalleryActivity parentActivity;
        private String shader;
        private int rowIndex;

        public ShaderLauncher(ShaderGalleryActivity activity, String shader, int rowIndex) {
            this.parentActivity = activity;
            this.shader = shader;
            this.rowIndex = rowIndex;
        }

        public void run() {
            // TODO : put this code in a method in Shader list Activity ?

            parentActivity.runShaderinPreview(shader);
            parentActivity.showButtonForSelection(rowIndex);

            // dialog has been setup by main activity
            parentActivity.hideProgressDialog();
        }
    }

    protected void onPostExecute(String s) {

    }
}