UniversalImageLoaderUtils.java

package com.alorma.github.ui.utils;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.support.v7.graphics.Palette;
import android.text.TextUtils;
import android.view.View;
import android.widget.ImageView;
import com.alorma.github.R;
import com.alorma.github.utils.AttributesUtils;
import com.amulyakhare.textdrawable.TextDrawable;
import com.amulyakhare.textdrawable.util.ColorGenerator;
import com.mikepenz.iconics.IconicsDrawable;
import com.mikepenz.octicons_typeface_library.Octicons;
import com.musenkishi.atelier.Atelier;
import com.musenkishi.atelier.ColorType;
import com.musenkishi.atelier.swatch.DarkVibrantSwatch;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import com.nostra13.universalimageloader.core.assist.FailReason;
import com.nostra13.universalimageloader.core.assist.ImageScaleType;
import com.nostra13.universalimageloader.core.decode.BaseImageDecoder;
import com.nostra13.universalimageloader.core.listener.ImageLoadingListener;
import core.User;

public class UniversalImageLoaderUtils {

  public static ImageLoaderConfiguration getImageLoaderConfiguration(Context context) {
    ImageLoaderConfiguration config =
        new ImageLoaderConfiguration.Builder(context).defaultDisplayImageOptions(getDisplayImageOptions(context))
            .imageDecoder(new BaseImageDecoder(true))
            .build();
    return config;
  }

  public static DisplayImageOptions getDisplayImageOptions(Context context) {
    IconicsDrawable drawable = new IconicsDrawable(context, Octicons.Icon.oct_octoface);
    drawable.color(AttributesUtils.getSecondaryTextColor(context));
    drawable.sizeDp(24);
    BitmapDrawable bitmapDrawable = new BitmapDrawable(context.getResources(), drawableToBitmap(drawable));
    return new DisplayImageOptions.Builder().showImageOnLoading(bitmapDrawable).cacheInMemory(true).cacheOnDisk(true).build();
  }

  public static Bitmap drawableToBitmap(Drawable drawable) {
    if (drawable instanceof BitmapDrawable) {
      return ((BitmapDrawable) drawable).getBitmap();
    }

    Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
    drawable.draw(canvas);

    return bitmap;
  }

  public static void loadUserAvatar(final ImageView imageView, String actor, String avatarUrl) {
    final int defaultProfileColor = AttributesUtils.getPrimaryColor(imageView.getContext());

    int avatarSize = imageView.getResources().getDimensionPixelOffset(R.dimen.avatar_size);

    if (imageView.getWidth() != 0 && imageView.getHeight() != 0) {
      avatarSize = Math.min(imageView.getWidth(), imageView.getHeight());
    }

    if (!TextUtils.isEmpty(actor)) {
      ColorGenerator generator = ColorGenerator.MATERIAL;

      TextDrawable drawable = TextDrawable.builder()
          .beginConfig()
          .width(avatarSize)
          .height(avatarSize)
          .endConfig()
          .buildRound(actor.substring(0, 1), generator.getColor(actor.substring(0, 1)));
      imageView.setImageDrawable(drawable);
    }

    ImageLoader.getInstance().cancelDisplayTask(imageView);
    DisplayImageOptions displayImageOptions = new DisplayImageOptions.Builder().cacheOnDisk(true)
        .imageScaleType(ImageScaleType.IN_SAMPLE_POWER_OF_2)
        .bitmapConfig(Bitmap.Config.ALPHA_8)
        .build();
    ImageLoader.getInstance().displayImage(avatarUrl, imageView, displayImageOptions, new ImageLoadingListener() {
      @Override
      public void onLoadingStarted(String imageUri, View view) {

      }

      @Override
      public void onLoadingFailed(String imageUri, View view, FailReason failReason) {

      }

      @Override
      public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) {
        Context context = imageView.getContext();

        //Set color tag to imageView
        Atelier.with(context, imageUri)
            .load(loadedImage)
            .swatch(new DarkVibrantSwatch(ColorType.BACKGROUND))
            .listener(palette -> imageView.setTag(palette.getVibrantColor(defaultProfileColor)));
      }

      @Override
      public void onLoadingCancelled(String imageUri, View view) {

      }
    });
  }

  public static void loadUserAvatar(final ImageView imageView, User actor) {
    loadUserAvatar(imageView, actor.getLogin(), AvatarHelper.getAvatar(actor));
  }

  public static void loadUserAvatarSquare(final ImageView imageView, String actor, String avatarUrl) {
    final int defaultProfileColor = AttributesUtils.getPrimaryColor(imageView.getContext());

    int avatarSize = imageView.getResources().getDimensionPixelOffset(R.dimen.avatar_size);

    if (imageView.getWidth() != 0 && imageView.getHeight() != 0) {
      avatarSize = Math.min(imageView.getWidth(), imageView.getHeight());
    }

    if (!TextUtils.isEmpty(actor)) {
      ColorGenerator generator = ColorGenerator.MATERIAL;

      TextDrawable drawable = TextDrawable.builder()
          .beginConfig()
          .width(avatarSize)
          .height(avatarSize)
          .endConfig()
          .buildRect(actor.substring(0, 1), generator.getColor(actor.substring(0, 1)));
      imageView.setImageDrawable(drawable);
    }

    ImageLoader.getInstance().cancelDisplayTask(imageView);
    DisplayImageOptions displayImageOptions = new DisplayImageOptions.Builder().cacheOnDisk(true)
        .imageScaleType(ImageScaleType.IN_SAMPLE_POWER_OF_2)
        .bitmapConfig(Bitmap.Config.ALPHA_8)
        .build();
    ImageLoader.getInstance().displayImage(avatarUrl, imageView, displayImageOptions, new ImageLoadingListener() {
      @Override
      public void onLoadingStarted(String imageUri, View view) {

      }

      @Override
      public void onLoadingFailed(String imageUri, View view, FailReason failReason) {

      }

      @Override
      public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) {
        Context context = imageView.getContext();

        //Set color tag to imageView
        Atelier.with(context, imageUri)
            .load(loadedImage)
            .swatch(new DarkVibrantSwatch(ColorType.BACKGROUND))
            .listener(palette -> imageView.setTag(palette.getVibrantColor(defaultProfileColor)));
      }

      @Override
      public void onLoadingCancelled(String imageUri, View view) {

      }
    });
  }

  public static void loadUserAvatarSquare(final ImageView imageView, User actor) {
    loadUserAvatarSquare(imageView, actor.getLogin(), AvatarHelper.getAvatar(actor));
  }
}