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image-coil fix image loading

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This commit is contained in:
Dimitry Ivanov 2020-08-10 11:48:16 +03:00
parent 961ff32c9a
commit be667e3b45
3 changed files with 29 additions and 8 deletions
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7
CHANGELOG.md
View File

@ -1,5 +1,12 @@
# Changelog
# SNAPSHOT
#### Fixed
* `image-coil` - deliver image result if it loaded before request disposable is created ([#272])
[#272]: https://github.com/noties/Markwon/issues/272
# 4.5.0
#### Added

2
app-sample/src/main/java/io/noties/markwon/app/samples/image/CoilRecyclerViewSample.kt
View File

@ -2,7 +2,6 @@ package io.noties.markwon.app.samples.image
import androidx.recyclerview.widget.LinearLayoutManager
import coil.Coil
import coil.ImageLoader
import coil.request.LoadRequest
import coil.request.RequestDisposable
import coil.transform.RoundedCornersTransformation
@ -15,7 +14,6 @@ import io.noties.markwon.image.coil.CoilImagesPlugin
import io.noties.markwon.recycler.MarkwonAdapter
import io.noties.markwon.sample.annotations.MarkwonArtifact
import io.noties.markwon.sample.annotations.MarkwonSampleInfo
import okhttp3.OkHttpClient
@MarkwonSampleInfo(
id = "20200803132053",

28
markwon-image-coil/src/main/java/io/noties/markwon/image/coil/CoilImagesPlugin.java
View File

@ -12,6 +12,7 @@ import org.commonmark.node.Image;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.atomic.AtomicBoolean;
import coil.Coil;
import coil.ImageLoader;
@ -124,12 +125,21 @@ public class CoilImagesPlugin extends AbstractMarkwonPlugin {
@Override
public void load(@NonNull AsyncDrawable drawable) {
final Target target = new AsyncDrawableTarget(drawable);
LoadRequest request = coilStore.load(drawable).newBuilder()
final AtomicBoolean loaded = new AtomicBoolean(false);
final Target target = new AsyncDrawableTarget(drawable, loaded);
final LoadRequest request = coilStore.load(drawable).newBuilder()
.target(target)
.build();
RequestDisposable disposable = imageLoader.execute(request);
cache.put(drawable, disposable);
// @since $SNAPSHOT; execute can return result _before_ disposable is created,
// thus `execute` would finish before we put disposable in cache (and thus result is
// not delivered)
final RequestDisposable disposable = imageLoader.execute(request);
// if flag was not set, then job is running (else - finished before we got here)
if (!loaded.get()) {
// mark flag
loaded.set(true);
cache.put(drawable, disposable);
}
}
@Override
@ -149,14 +159,20 @@ public class CoilImagesPlugin extends AbstractMarkwonPlugin {
private class AsyncDrawableTarget implements Target {
private final AsyncDrawable drawable;
private final AtomicBoolean loaded;
AsyncDrawableTarget(@NonNull AsyncDrawable drawable) {
private AsyncDrawableTarget(@NonNull AsyncDrawable drawable, @NonNull AtomicBoolean loaded) {
this.drawable = drawable;
this.loaded = loaded;
}
@Override
public void onSuccess(@NonNull Drawable loadedDrawable) {
if (cache.remove(drawable) != null) {
// @since $SNAPSHOT; check finished flag (result can be delivered _before_ disposable is created)
if (cache.remove(drawable) != null
|| !loaded.get()) {
// mark
loaded.set(true);
if (drawable.isAttached()) {
DrawableUtils.applyIntrinsicBoundsIfEmpty(loadedDrawable);
drawable.setResult(loadedDrawable);