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package org.robolectric.shadows;
import static android.os.Build.VERSION_CODES.M;
import static android.os.Build.VERSION_CODES.N;
import static android.os.Build.VERSION_CODES.N_MR1;
import static android.os.Build.VERSION_CODES.O;
import static org.robolectric.util.reflector.Reflector.reflector;
import android.content.res.AssetFileDescriptor;
import android.content.res.Resources;
import android.content.res.ResourcesImpl;
import android.graphics.drawable.Drawable;
import android.os.ParcelFileDescriptor;
import android.util.LongSparseArray;
import android.util.TypedValue;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.List;
import org.robolectric.annotation.Implementation;
import org.robolectric.annotation.Implements;
import org.robolectric.annotation.RealObject;
import org.robolectric.shadows.ShadowResourcesImpl.Picker;
import org.robolectric.util.reflector.Direct;
import org.robolectric.util.reflector.ForType;
@SuppressWarnings("NewApi")
@Implements(
value = ResourcesImpl.class,
isInAndroidSdk = false,
minSdk = N,
shadowPicker = Picker.class)
public class ShadowArscResourcesImpl extends ShadowResourcesImpl {
private static List<LongSparseArray<?>> resettableArrays;
@RealObject ResourcesImpl realResourcesImpl;
private static List<LongSparseArray<?>> obtainResettableArrays() {
List<LongSparseArray<?>> resettableArrays = new ArrayList<>();
Field[] allFields = Resources.class.getDeclaredFields();
for (Field field : allFields) {
if (Modifier.isStatic(field.getModifiers()) && field.getType().equals(LongSparseArray.class)) {
field.setAccessible(true);
try {
LongSparseArray<?> longSparseArray = (LongSparseArray<?>) field.get(null);
if (longSparseArray != null) {
resettableArrays.add(longSparseArray);
}
} catch (IllegalAccessException e) {
throw new RuntimeException(e);
}
}
}
return resettableArrays;
}
/**
* Since {@link AssetFileDescriptor}s are not yet supported by Robolectric, {@code null} will
* be returned if the resource is found. If the resource cannot be found, {@link Resources.NotFoundException} will
* be thrown.
*/
@Implementation(maxSdk = M)
public AssetFileDescriptor openRawResourceFd(int id) throws Resources.NotFoundException {
InputStream inputStream =
reflector(ResourcesImplReflector.class, realResourcesImpl).openRawResource(id);
;
if (!(inputStream instanceof FileInputStream)) {
// todo fixme
return null;
}
FileInputStream fis = (FileInputStream) inputStream;
try {
return new AssetFileDescriptor(ParcelFileDescriptor.dup(fis.getFD()), 0, fis.getChannel().size());
} catch (IOException e) {
throw newNotFoundException(id);
}
}
private Resources.NotFoundException newNotFoundException(int id) {
return new Resources.NotFoundException("resource ID #0x" + Integer.toHexString(id));
}
@Implementation(maxSdk = N_MR1)
public Drawable loadDrawable(Resources wrapper, TypedValue value, int id, Resources.Theme theme, boolean useCache) throws Resources.NotFoundException {
Drawable drawable =
reflector(ResourcesImplReflector.class, realResourcesImpl)
.loadDrawable(wrapper, value, id, theme, useCache);
ShadowResources.setCreatedFromResId(wrapper, id, drawable);
return drawable;
}
@Implementation(minSdk = O)
public Drawable loadDrawable(Resources wrapper, TypedValue value, int id, int density, Resources.Theme theme) {
Drawable drawable =
reflector(ResourcesImplReflector.class, realResourcesImpl)
.loadDrawable(wrapper, value, id, density, theme);
ShadowResources.setCreatedFromResId(wrapper, id, drawable);
return drawable;
}
@ForType(ResourcesImpl.class)
interface ResourcesImplReflector {
@Direct
InputStream openRawResource(int id);
@Direct
Drawable loadDrawable(
Resources wrapper, TypedValue value, int id, Resources.Theme theme, boolean useCache);
@Direct
Drawable loadDrawable(
Resources wrapper, TypedValue value, int id, int density, Resources.Theme theme);
}
}
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