Android Open Source - muzei-androidwallpapers Android Wallpapers Art Source

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From Project

Back to project page muzei-androidwallpapers.

License

The source code is released under:

Copyright (C) 2014, Philip Cronje All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: ...

Java Source Code

/* ********************************************************************************************** */
/*/*from   w  ww  .ja va 2s .co  m*/
 * Copyright (C) 2014, Philip Cronje
 * All rights reserved.
 *
 * Distributed under the terms of the BSD 2-Clause License. See LICENSE in the source distribution
 * for the full terms of the license.
 */
/* ********************************************************************************************** */
package net.za.slyfox.muzei.awprs;

/* ********************************************************************************************** */
import android.content.Intent;
import android.net.Uri;
import android.util.Log;

import com.google.android.apps.muzei.api.Artwork;
import com.google.android.apps.muzei.api.RemoteMuzeiArtSource;

import org.jsoup.Connection;
import org.jsoup.HttpStatusException;
import org.jsoup.Jsoup;
import org.jsoup.helper.StringUtil;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

import java.io.IOException;
import java.net.SocketTimeoutException;
import java.util.Arrays;
import java.util.Random;

/* ********************************************************************************************** */
public class AndroidWallpapersArtSource extends RemoteMuzeiArtSource
{
  private static final String TAG = "AndroidWallpapersArtSource";

  private Random random;
  private Elements wallpapers;

  public AndroidWallpapersArtSource()
  {
    super("AndroidWallpapersArtSource");
    random = new Random();

  } // AndroidWallpapersArtSource()

  @Override public void onCreate()
  {
    super.onCreate();
    setUserCommands(BUILTIN_COMMAND_ID_NEXT_ARTWORK);

  } // onCreate

  @Override protected void onTryUpdate(int reason) throws RetryException
  {
    Connection connection = Jsoup.connect("http://androidwallpape.rs");

    try
    {
      Connection.Response response = connection.execute();
      Document document = response.parse();
      wallpapers = document.select("#wallpapers ul li[data-id]");
      Element wallpaper = selectWallpaper();

      String id = wallpaper.attr("data-id");

      Element elmTitleHeading = wallpaper.select("h2 a").first();
      if(elmTitleHeading == null)
      {
        Log.w(TAG, "Selected wallpaper without title, requesting retry");
        throw new RetryException();
      }

      Element elmAuthor = wallpaper.select(".author a").first();

      String fullURIString = elmTitleHeading.attr("href");
      if(StringUtil.isBlank(fullURIString))
      {
        Log.w(TAG, "Selected wallpaper with blank href, requesting retry");
        throw new RetryException();
      }
      fullURIString = Uri.encode(fullURIString, ":/");
      Uri fullURI = Uri.parse(fullURIString);
      Uri viewURI = fullURI;

      String byline = null;
      if(elmAuthor != null)
      {
        byline = elmAuthor.text();
        if(!StringUtil.isBlank(byline))
        {
          String viewURIString = elmAuthor.attr("href");
          if(!StringUtil.isBlank(viewURIString))
          {
            viewURI = Uri.parse(viewURIString);
          }
        }
      }

      if(BuildConfig.DEBUG)
      {
        Log.d(TAG, "Publishing artwork: title=" + elmTitleHeading.text() + ", byline="
            + byline + ", imageUri=" + fullURI.toString() + ", token=" + id
            + ", viewURI=" + viewURI.toString());
      }

      Artwork.Builder builder = new Artwork.Builder()
          .title(elmTitleHeading.text())
          .imageUri(fullURI)
          .token(id)
          .viewIntent(new Intent(Intent.ACTION_VIEW, viewURI));
      if(byline != null)
      {
        builder.byline(byline);
      }

      publishArtwork(builder.build());
    }
    catch(HttpStatusException e)
    {
      int statusCode = e.getStatusCode();
      if((statusCode >= 500) || (statusCode < 600))
      {
        if(BuildConfig.DEBUG)
        {
          Log.d(TAG, "Requesting retry due to HTTP status error", e);
        }

        throw new RetryException(e);
      }
    }
    catch(SocketTimeoutException e)
    {
      if(BuildConfig.DEBUG)
      {
        Log.d(TAG, "Requesting retry due to socket timeout", e);
      }

      throw new RetryException(e);
    }
    catch(IOException e)
    {
      Log.w(TAG, "I/O exception occurred during update", e);
    }

    reschedule();

  } // onTryUpdate

  private Element selectWallpaper() throws RetryException
  {
    int wallpaperCount = wallpapers.size();
    if(wallpaperCount <= 0)
    {
      Log.w(TAG, "No wallpapers found, requesting retry");
      throw new RetryException();
    }

    for(int attempt = 0; attempt < 10; ++attempt)
    {
      Element wallpaper = wallpapers.get(random.nextInt(wallpaperCount));

      String idString = wallpaper.attr("data-id");
      int id;
      try
      {
        id = Integer.valueOf(idString);
      }
      catch(NumberFormatException e)
      {
        /*
         * Not a fatal error, just means it's incompatible with the integer ID assumption of
         * the wallpaper blacklist, so assume that the wallpaper is good to go.
         */
        return wallpaper;
      }

      int blacklistIndex = Arrays.binarySearch(
          getResources().getIntArray(R.array.blacklist_ids), id);
      if(blacklistIndex >= 0)
      {
        if(BuildConfig.DEBUG)
        {
          Log.d(TAG, "Selected blacklisted wallpaper " + idString + ", selecting another");
        }

        continue;
      }

      return wallpaper;
    }

    Log.w(TAG, "Exhausted attempts to select non-blacklisted wallpaper, requesting retry");
    throw new RetryException();

  } // selectWallpaper

  private void reschedule()
  {
    scheduleUpdate(System.currentTimeMillis() + 24L * 60L * 60L * 1000L);

  } // reschedule

} // AndroidWallpapersArtSource

/* ********************************************************************************************** */

Java Source Code List

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