ViewArtActivity.java :  » App » sofurry-android-app » com » sofurry » itemviews » Android Open Source

package com.sofurry.itemviews;

import java.io.File;

import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.sofurry.AppConstants;
import com.sofurry.R;
import com.sofurry.base.classes.FavableActivity;
import com.sofurry.util.ContentDownloader;
import com.sofurry.util.FileStorage;
import com.sofurry.util.HttpRequest;
import com.sofurry.util.ImageStorage;

public class ViewArtActivity extends FavableActivity implements Runnable {

  private ImageView image;
  private TextView imageartisttext;
  private Thread imageFetcher = null;
  private Button hdButton = null;
    private String content = null;
  
    private String tags;
    private String authorName;
    private String thumbnailUrl;
    private Bitmap imageBitmap = null;
    
    private String filename = null;

  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
//    Authentication.loadAuthenticationInformation(this);
    setContentView(R.layout.artdetails);
    
    image = (ImageView) findViewById(R.id.imagepreview);
    imageartisttext = (TextView) findViewById(R.id.imageartisttext);
    
      hdButton = (Button) findViewById(R.id.HDViewButton);
      hdButton.setOnClickListener(new Button.OnClickListener() {
      public void onClick(View arg0) {
        doHdView();
      }});
      hdButton.setEnabled(false);

      if (savedInstanceState == null) {
      Bundle extras = getIntent().getExtras() ;
        if( extras != null ) {
            name = extras.getString("name");
            tags = extras.getString("tags");
            authorName = extras.getString("authorName");
            thumbnailUrl = extras.getString("thumbnail");
            
        Bitmap thumb = ImageStorage.loadSubmissionIcon(pageID);
        if (thumb != null)
          image.setImageBitmap(thumb);
        
        filename = name + HttpRequest.extractExtension(thumbnailUrl);
        filename = FileStorage.sanitize(filename);
        
        content = name + "\n" + authorName;
        }
  
      imageFetcher = new Thread(this);
      imageFetcher.start();
      } else {
        content = (String) retrieveObject("content");
        filename = (String) retrieveObject("filename");
        imageBitmap = (Bitmap) retrieveObject("image");
        imageFetcher = (Thread) retrieveObject("thread"); 
      }
      if (imageFetcher != null)
        pbh.showProgressDialog("Fetching image...");
      if (imageBitmap != null) 
        showImage();
    imageartisttext.setText(content);
  }
  
  @Override
  protected void onSaveInstanceState(Bundle outState) {
    storeObject("content", content);
    storeObject("filename", filename);
    storeObject("image", imageBitmap);
    storeObject("thread", imageFetcher);
    super.onSaveInstanceState(outState);
  }
  
  
  /* (non-Javadoc)
   * @see java.lang.Runnable#run()
   * 
   * Fetches an image, either from the icon storage
   * 
   */
  public void run() {
    try {
      String url = thumbnailUrl.replace("/thumbnails/", "/preview/");
      Log.i(AppConstants.TAG_STRING, "ImageDownloader: Downloading image for id " + pageID + " from " + url);
      
      Bitmap b = ImageStorage.loadSubmissionImage(filename);
      if (b == null) {
        // 1. extract extension
        String ext = HttpRequest.extractExtension(url);
        // 2. download file
        ContentDownloader.downloadFile(url, ImageStorage.getSubmissionImagePath(filename) , null);
        // 3. read file
        b = ImageStorage.loadSubmissionImage(filename);
        //b = ContentDownloader.downloadBitmap(url);
        //ImageStorage.saveSubmissionImage(pageID, b);
        if (b == null) throw new Exception("Downloaded Image failed to load.");
      }

      // Send bitmap to our hungry thread
      requesthandler.postMessage(AppConstants.REQUEST_ID_DOWNLOADIMAGE,b);
    } catch (Exception e) {
      requesthandler.postMessage(AppConstants.REQUEST_ID_DOWNLOADIMAGE,e);
    }
  }

  @Override
  public void createExtraMenuOptions(Menu menu) {
    menu.add(0,AppConstants.MENU_HD     ,0,"HD View").setIcon(android.R.drawable.ic_menu_gallery);
    super.createExtraMenuOptions(menu);
  }

  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case AppConstants.MENU_HD:
      doHdView();
      return true;
    default:
      return super.onOptionsItemSelected(item);
    }
  }
  
  
  /**
   * Saves the file to the images folder
   */
  public void save() {
    try {
      if (filename == null) throw new Exception("File has not downloaded properly yet. Filename is null.");
      File f = new File(FileStorage.getPath(ImageStorage.getSubmissionImagePath(filename)));
      if (!f.exists()) throw new Exception("File has not downloaded properly yet. File does not exist.");
      
      String targetPath = FileStorage.getUserStoragePath("Images", sanitizeFileName(filename));
      File tf = new File(targetPath);
      
      FileStorage.ensureDirectory(tf.getParent());
      
      FileStorage.copyFile(f, tf);
      
      Toast.makeText(getApplicationContext(), "File saved to:\n" + targetPath, Toast.LENGTH_LONG).show();
      
    } catch (Exception e) {
      onError(-1, e);
    }
    
  }
  
  /**
   * Views the button using the acitivty that is associated with images
   */
  public void doHdView() {
    File f = new File(FileStorage.getPath(ImageStorage.getSubmissionImagePath(filename)));
    if (!f.exists()) return; // Until that file exists, there is nothing we can do really.

    // Starts the associated image viewer, so the user can zoom and tilt
    Intent intent = new Intent();  
    intent.setAction(android.content.Intent.ACTION_VIEW);  
    intent.setDataAndType(Uri.fromFile(f), "image/*");  
    startActivity(intent);   
  }
  
  @Override
  public void onOther(int id, Object obj) throws Exception {
    pbh.hideProgressDialog();
    // If the returntype is bitmap, we know what to do with it
    if (id == AppConstants.REQUEST_ID_DOWNLOADIMAGE) {
      imageBitmap = (Bitmap)obj;
      showImage();
      imageFetcher = null;
    }
    else
      super.onOther(id, obj);
  }
  
  /**
   * Shows the image
   */
  public void showImage() {
      image.setImageBitmap(imageBitmap);
      hdButton.setEnabled(true);
  }
  
  @Override
  public void onError(int id, Exception e) {
    if (id == AppConstants.REQUEST_ID_DOWNLOADIMAGE) imageFetcher = null;
    super.onError(id, e);
  }

  /* (non-Javadoc)
   * @see com.sofurry.IManagedActivity#finish()
   */
  @Override
  public void finish() {
    super.finish();
  }
  
  
  
}