Android Open Source - Android-Universal-Image-Loader Non View Aware

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License

The source code is released under:

Apache License

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Java Source Code

/*******************************************************************************
 * Copyright 2013-2014 Sergey Tarasevich
 */*w  w  w.  j  ava2 s  . c o  m*/
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *******************************************************************************/
package com.nostra13.universalimageloader.core.imageaware;

import android.graphics.Bitmap;
import android.graphics.drawable.Drawable;
import android.text.TextUtils;
import android.view.View;
import com.nostra13.universalimageloader.core.assist.ImageSize;
import com.nostra13.universalimageloader.core.assist.ViewScaleType;

/**
 * ImageAware which provides needed info for processing of original image but do nothing for displaying image. It's
 * used when user need just load and decode image and get it in {@linkplain
 * com.nostra13.universalimageloader.core.listener.ImageLoadingListener#onLoadingComplete(String, android.view.View,
 * android.graphics.Bitmap) callback}.
 *
 * @author Sergey Tarasevich (nostra13[at]gmail[dot]com)
 * @since 1.9.0
 */
public class NonViewAware implements ImageAware {

  protected final String imageUri;
  protected final ImageSize imageSize;
  protected final ViewScaleType scaleType;

  public NonViewAware(ImageSize imageSize, ViewScaleType scaleType) {
    this(null, imageSize, scaleType);
  }

  public NonViewAware(String imageUri, ImageSize imageSize, ViewScaleType scaleType) {
    if (imageSize == null) throw new IllegalArgumentException("imageSize must not be null");
    if (scaleType == null) throw new IllegalArgumentException("scaleType must not be null");

    this.imageUri = imageUri;
    this.imageSize = imageSize;
    this.scaleType = scaleType;
  }

  @Override
  public int getWidth() {
    return imageSize.getWidth();
  }

  @Override
  public int getHeight() {
    return imageSize.getHeight();
  }

  @Override
  public ViewScaleType getScaleType() {
    return scaleType;
  }

  @Override
  public View getWrappedView() {
    return null;
  }

  @Override
  public boolean isCollected() {
    return false;
  }

  @Override
  public int getId() {
    return TextUtils.isEmpty(imageUri) ? super.hashCode() : imageUri.hashCode();
  }

  @Override
  public boolean setImageDrawable(Drawable drawable) { // Do nothing
    return true;
  }

  @Override
  public boolean setImageBitmap(Bitmap bitmap) { // Do nothing
    return true;
  }
}

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