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package com.bumptech.glide;
import android.content.Context;
import android.os.Build;
import com.bumptech.glide.load.DecodeFormat;
import com.bumptech.glide.load.engine.Engine;
import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPoolAdapter;
import com.bumptech.glide.load.engine.bitmap_recycle.LruBitmapPool;
import com.bumptech.glide.load.engine.cache.DiskCache;
import com.bumptech.glide.load.engine.cache.DiskCacheAdapter;
import com.bumptech.glide.load.engine.cache.DiskLruCacheWrapper;
import com.bumptech.glide.load.engine.cache.LruResourceCache;
import com.bumptech.glide.load.engine.cache.MemoryCache;
import com.bumptech.glide.load.engine.cache.MemorySizeCalculator;
import com.bumptech.glide.load.engine.executor.FifoPriorityThreadPoolExecutor;
import java.io.File;
import java.util.concurrent.ExecutorService;
/**
* A builder class for setting default structural classes for Glide to use.
*/
public class GlideBuilder {
private final Context context;
private Engine engine;
private BitmapPool bitmapPool;
private MemoryCache memoryCache;
private DiskCache diskCache;
private ExecutorService sourceService;
private ExecutorService diskCacheService;
private DecodeFormat decodeFormat;
public GlideBuilder(Context context) {
this.context = context.getApplicationContext();
}
/**
* Sets the {@link com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool} implementation to use to store and
* retrieve reused {@link android.graphics.Bitmap}s.
*
* @param bitmapPool The pool to use.
* @return This builder.
*/
public GlideBuilder setBitmapPool(BitmapPool bitmapPool) {
this.bitmapPool = bitmapPool;
return this;
}
/**
* Sets the {@link com.bumptech.glide.load.engine.cache.MemoryCache} implementation to store
* {@link com.bumptech.glide.load.engine.Resource}s that are not currently in use.
*
* @param memoryCache The cache to use.
* @return This builder.
*/
public GlideBuilder setMemoryCache(MemoryCache memoryCache) {
this.memoryCache = memoryCache;
return this;
}
/**
* Sets the {@link com.bumptech.glide.load.engine.cache.DiskCache} implementation to use to store
* {@link com.bumptech.glide.load.engine.Resource} data and thumbnails.
*
* @param diskCache The disk cache to use.
* @return This builder.
*/
public GlideBuilder setDiskCache(DiskCache diskCache) {
this.diskCache = diskCache;
return this;
}
/**
* Sets the {@link java.util.concurrent.ExecutorService} implementation to use when retrieving
* {@link com.bumptech.glide.load.engine.Resource}s that are not already in the cache.
*
* <p>
* Any implementation must order requests based on their {@link com.bumptech.glide.Priority} for thumbnail
* requests to work properly.
* </p>
*
* @see #setDiskCacheService(java.util.concurrent.ExecutorService)
* @see com.bumptech.glide.load.engine.executor.FifoPriorityThreadPoolExecutor
*
* @param service The ExecutorService to use.
* @return This builder.
*/
public GlideBuilder setResizeService(ExecutorService service) {
this.sourceService = service;
return this;
}
/**
* Sets the {@link java.util.concurrent.ExecutorService} implementation to use when retrieving
* {@link com.bumptech.glide.load.engine.Resource}s that are currently in cache.
*
* <p>
* Any implementation must order requests based on their {@link com.bumptech.glide.Priority} for thumbnail
* requests to work properly.
* </p>
*
* @see #setResizeService(java.util.concurrent.ExecutorService)
* @see com.bumptech.glide.load.engine.executor.FifoPriorityThreadPoolExecutor
*
* @param service The ExecutorService to use.
* @return This builder.
*/
public GlideBuilder setDiskCacheService(ExecutorService service) {
this.diskCacheService = service;
return this;
}
/**
* Sets the {@link com.bumptech.glide.load.DecodeFormat} that will be the default format for all the default
* decoders that can change the {@link android.graphics.Bitmap.Config} of the {@link android.graphics.Bitmap}s they
* decode.
*
* <p>
* Decode format is always a suggestion, not a requirement. See {@link com.bumptech.glide.load.DecodeFormat} for
* more details.
* </p>
*
* <p>
* If you instantiate and use a custom decoder, it will use
* {@link com.bumptech.glide.load.DecodeFormat#DEFAULT} as its default.
* </p>
*
* @param decodeFormat The format to use.
* @return This builder.
*/
public GlideBuilder setDecodeFormat(DecodeFormat decodeFormat) {
this.decodeFormat = decodeFormat;
return this;
}
// For testing.
GlideBuilder setEngine(Engine engine) {
this.engine = engine;
return this;
}
Glide createGlide() {
if (sourceService == null) {
final int cores = Math.max(1, Runtime.getRuntime().availableProcessors());
sourceService = new FifoPriorityThreadPoolExecutor(cores);
}
if (diskCacheService == null) {
diskCacheService = new FifoPriorityThreadPoolExecutor(1);
}
MemorySizeCalculator calculator = new MemorySizeCalculator(context);
if (bitmapPool == null) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
bitmapPool = new LruBitmapPool(calculator.getBitmapPoolSize());
} else {
bitmapPool = new BitmapPoolAdapter();
}
}
if (memoryCache == null) {
memoryCache = new LruResourceCache(calculator.getMemoryCacheSize());
}
if (diskCache == null) {
File cacheDir = Glide.getPhotoCacheDir(context);
if (cacheDir != null) {
diskCache = DiskLruCacheWrapper.get(cacheDir, Glide.DEFAULT_DISK_CACHE_SIZE);
}
if (diskCache == null) {
diskCache = new DiskCacheAdapter();
}
}
if (engine == null) {
engine = new Engine(memoryCache, diskCache, diskCacheService, sourceService);
}
if (decodeFormat == null) {
decodeFormat = DecodeFormat.DEFAULT;
}
return new Glide(engine, memoryCache, bitmapPool, context, decodeFormat);
}
}
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