456 lines
14 KiB
Java
456 lines
14 KiB
Java
/*
|
|
This file is part of Subsonic.
|
|
|
|
Subsonic is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
Subsonic is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
Copyright 2009 (C) Sindre Mehus
|
|
*/
|
|
package org.moire.ultrasonic.util;
|
|
|
|
import android.content.Context;
|
|
import android.content.res.Resources;
|
|
import android.graphics.Bitmap;
|
|
import android.graphics.drawable.BitmapDrawable;
|
|
import android.graphics.drawable.Drawable;
|
|
import android.graphics.drawable.TransitionDrawable;
|
|
import android.os.Handler;
|
|
import android.text.TextUtils;
|
|
import android.util.Log;
|
|
import android.view.View;
|
|
import android.widget.ImageView;
|
|
import android.widget.TextView;
|
|
import org.moire.ultrasonic.R;
|
|
import org.moire.ultrasonic.domain.MusicDirectory;
|
|
import org.moire.ultrasonic.service.MusicService;
|
|
import org.moire.ultrasonic.service.MusicServiceFactory;
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.Collection;
|
|
import java.util.Collections;
|
|
import java.util.concurrent.BlockingQueue;
|
|
import java.util.concurrent.LinkedBlockingQueue;
|
|
import java.util.concurrent.atomic.AtomicBoolean;
|
|
|
|
/**
|
|
* Asynchronous loading of images, with caching.
|
|
* <p/>
|
|
* There should normally be only one instance of this class.
|
|
*
|
|
* @author Sindre Mehus
|
|
*/
|
|
public class LegacyImageLoader implements Runnable, ImageLoader {
|
|
private static final String TAG = LegacyImageLoader.class.getSimpleName();
|
|
|
|
private final LRUCache<String, Bitmap> cache = new LRUCache<>(150);
|
|
private final BlockingQueue<Task> queue;
|
|
private int imageSizeDefault;
|
|
private final int imageSizeLarge;
|
|
private Bitmap largeUnknownImage;
|
|
private Bitmap unknownAvatarImage;
|
|
private Context context;
|
|
private Collection<Thread> threads;
|
|
private AtomicBoolean running = new AtomicBoolean();
|
|
private int concurrency;
|
|
|
|
public LegacyImageLoader(
|
|
Context context,
|
|
int concurrency
|
|
) {
|
|
this.context = context;
|
|
this.concurrency = concurrency;
|
|
queue = new LinkedBlockingQueue<>(1000);
|
|
|
|
Resources resources = context.getResources();
|
|
Drawable drawable = resources.getDrawable(R.drawable.unknown_album);
|
|
|
|
// Determine the density-dependent image sizes.
|
|
if (drawable != null) {
|
|
imageSizeDefault = drawable.getIntrinsicHeight();
|
|
}
|
|
|
|
imageSizeLarge = Util.getMaxDisplayMetric(context);
|
|
createLargeUnknownImage(context);
|
|
createUnknownAvatarImage(context);
|
|
}
|
|
|
|
@Override
|
|
public synchronized boolean isRunning() {
|
|
return running.get() && !threads.isEmpty();
|
|
}
|
|
|
|
@Override
|
|
public void setConcurrency(int concurrency) {
|
|
this.concurrency = concurrency;
|
|
}
|
|
|
|
@Override
|
|
public void startImageLoader() {
|
|
running.set(true);
|
|
|
|
threads = Collections.synchronizedCollection(new ArrayList<Thread>(this.concurrency));
|
|
|
|
for (int i = 0; i < this.concurrency; i++) {
|
|
Thread thread = new Thread(this, String.format("ImageLoader_%d", i));
|
|
threads.add(thread);
|
|
thread.start();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public synchronized void stopImageLoader() {
|
|
clear();
|
|
|
|
for (Thread thread : threads) {
|
|
thread.interrupt();
|
|
}
|
|
|
|
running.set(false);
|
|
threads.clear();
|
|
}
|
|
|
|
private void createLargeUnknownImage(Context context) {
|
|
BitmapDrawable drawable = (BitmapDrawable) context.getResources().getDrawable(R.drawable.unknown_album_large);
|
|
Log.i(TAG, "createLargeUnknownImage");
|
|
|
|
if (drawable != null) {
|
|
largeUnknownImage = Util.scaleBitmap(drawable.getBitmap(), imageSizeLarge);
|
|
}
|
|
}
|
|
|
|
private void createUnknownAvatarImage(Context context) {
|
|
Resources res = context.getResources();
|
|
Drawable contact = res.getDrawable(R.drawable.ic_contact_picture);
|
|
unknownAvatarImage = Util.createBitmapFromDrawable(contact);
|
|
}
|
|
|
|
@Override
|
|
public void loadAvatarImage(
|
|
View view,
|
|
String username,
|
|
boolean large,
|
|
int size,
|
|
boolean crossFade,
|
|
boolean highQuality
|
|
) {
|
|
view.invalidate();
|
|
|
|
if (username == null) {
|
|
setUnknownAvatarImage(view);
|
|
return;
|
|
}
|
|
|
|
if (size <= 0) {
|
|
size = large ? imageSizeLarge : imageSizeDefault;
|
|
}
|
|
|
|
Bitmap bitmap = cache.get(getKey(username, size));
|
|
|
|
if (bitmap != null) {
|
|
setAvatarImageBitmap(view, username, bitmap, crossFade);
|
|
return;
|
|
}
|
|
|
|
setUnknownAvatarImage(view);
|
|
|
|
queue.offer(new Task(view, username, size, large, crossFade, highQuality));
|
|
}
|
|
|
|
@Override
|
|
public void loadImage(
|
|
View view,
|
|
MusicDirectory.Entry entry,
|
|
boolean large,
|
|
int size,
|
|
boolean crossFade,
|
|
boolean highQuality
|
|
) {
|
|
view.invalidate();
|
|
|
|
if (entry == null) {
|
|
setUnknownImage(view, large);
|
|
return;
|
|
}
|
|
|
|
String coverArt = entry.getCoverArt();
|
|
|
|
if (TextUtils.isEmpty(coverArt)) {
|
|
setUnknownImage(view, large);
|
|
return;
|
|
}
|
|
|
|
if (size <= 0) {
|
|
size = large ? imageSizeLarge : imageSizeDefault;
|
|
}
|
|
|
|
Bitmap bitmap = cache.get(getKey(coverArt, size));
|
|
|
|
if (bitmap != null) {
|
|
setImageBitmap(view, entry, bitmap, crossFade);
|
|
return;
|
|
}
|
|
|
|
setUnknownImage(view, large);
|
|
|
|
queue.offer(new Task(view, entry, size, large, crossFade, highQuality));
|
|
}
|
|
|
|
private static String getKey(String coverArtId, int size) {
|
|
return String.format("%s:%d", coverArtId, size);
|
|
}
|
|
|
|
@Override
|
|
public Bitmap getImageBitmap(String username, int size) {
|
|
Bitmap bitmap = cache.get(getKey(username, size));
|
|
|
|
if (bitmap != null && !bitmap.isRecycled()) {
|
|
Bitmap.Config config = bitmap.getConfig();
|
|
return bitmap.copy(config, false);
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
@Override
|
|
public Bitmap getImageBitmap(MusicDirectory.Entry entry, boolean large, int size) {
|
|
if (entry == null) {
|
|
return null;
|
|
}
|
|
|
|
String coverArt = entry.getCoverArt();
|
|
|
|
if (TextUtils.isEmpty(coverArt)) {
|
|
return null;
|
|
}
|
|
|
|
if (size <= 0) {
|
|
size = large ? imageSizeLarge : imageSizeDefault;
|
|
}
|
|
|
|
Bitmap bitmap = cache.get(getKey(coverArt, size));
|
|
|
|
if (bitmap != null && !bitmap.isRecycled()) {
|
|
Bitmap.Config config = bitmap.getConfig();
|
|
return bitmap.copy(config, false);
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
private void setImageBitmap(
|
|
View view,
|
|
MusicDirectory.Entry entry,
|
|
Bitmap bitmap,
|
|
boolean crossFade
|
|
) {
|
|
if (view instanceof ImageView) {
|
|
ImageView imageView = (ImageView) view;
|
|
|
|
MusicDirectory.Entry tagEntry = (MusicDirectory.Entry) view.getTag();
|
|
|
|
// Only apply image to the view if the view is intended for this entry
|
|
if (entry != null && tagEntry != null && !entry.equals(tagEntry)) {
|
|
Log.i(TAG, "View is no longer valid, not setting ImageBitmap");
|
|
return;
|
|
}
|
|
|
|
if (crossFade) {
|
|
Drawable existingDrawable = imageView.getDrawable();
|
|
Drawable newDrawable = Util.createDrawableFromBitmap(this.context, bitmap);
|
|
|
|
if (existingDrawable == null) {
|
|
Bitmap emptyImage = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
|
|
existingDrawable = new BitmapDrawable(context.getResources(), emptyImage);
|
|
}
|
|
|
|
Drawable[] layers = new Drawable[]{existingDrawable, newDrawable};
|
|
|
|
TransitionDrawable transitionDrawable = new TransitionDrawable(layers);
|
|
imageView.setImageDrawable(transitionDrawable);
|
|
transitionDrawable.startTransition(250);
|
|
} else {
|
|
imageView.setImageBitmap(bitmap);
|
|
}
|
|
}
|
|
}
|
|
|
|
private void setAvatarImageBitmap(
|
|
View view,
|
|
String username,
|
|
Bitmap bitmap,
|
|
boolean crossFade
|
|
) {
|
|
if (view instanceof ImageView) {
|
|
ImageView imageView = (ImageView) view;
|
|
|
|
String tagEntry = (String) view.getTag();
|
|
|
|
// Only apply image to the view if the view is intended for this entry
|
|
if (username != null &&
|
|
tagEntry != null &&
|
|
!username.equals(tagEntry)) {
|
|
Log.i(TAG, "View is no longer valid, not setting ImageBitmap");
|
|
return;
|
|
}
|
|
|
|
if (crossFade) {
|
|
Drawable existingDrawable = imageView.getDrawable();
|
|
Drawable newDrawable = Util.createDrawableFromBitmap(this.context, bitmap);
|
|
|
|
if (existingDrawable == null) {
|
|
Bitmap emptyImage = Bitmap.createBitmap(
|
|
bitmap.getWidth(),
|
|
bitmap.getHeight(),
|
|
Bitmap.Config.ARGB_8888
|
|
);
|
|
existingDrawable = new BitmapDrawable(context.getResources(), emptyImage);
|
|
}
|
|
|
|
Drawable[] layers = new Drawable[]{existingDrawable, newDrawable};
|
|
|
|
TransitionDrawable transitionDrawable = new TransitionDrawable(layers);
|
|
imageView.setImageDrawable(transitionDrawable);
|
|
transitionDrawable.startTransition(250);
|
|
} else {
|
|
imageView.setImageBitmap(bitmap);
|
|
}
|
|
}
|
|
}
|
|
|
|
private void setUnknownAvatarImage(View view) {
|
|
setAvatarImageBitmap(view, null, unknownAvatarImage, false);
|
|
}
|
|
|
|
private void setUnknownImage(View view, boolean large) {
|
|
if (large) {
|
|
setImageBitmap(view, null, largeUnknownImage, false);
|
|
} else {
|
|
if (view instanceof TextView) {
|
|
((TextView) view).setCompoundDrawablesWithIntrinsicBounds(R.drawable.unknown_album, 0, 0, 0);
|
|
} else if (view instanceof ImageView) {
|
|
((ImageView) view).setImageResource(R.drawable.unknown_album);
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void addImageToCache(Bitmap bitmap, MusicDirectory.Entry entry, int size) {
|
|
cache.put(getKey(entry.getCoverArt(), size), bitmap);
|
|
}
|
|
|
|
@Override
|
|
public void addImageToCache(Bitmap bitmap, String username, int size) {
|
|
cache.put(getKey(username, size), bitmap);
|
|
}
|
|
|
|
@Override
|
|
public void clear() {
|
|
queue.clear();
|
|
}
|
|
|
|
@Override
|
|
public void run() {
|
|
while (running.get()) {
|
|
try {
|
|
Task task = queue.take();
|
|
task.execute();
|
|
} catch (InterruptedException ignored) {
|
|
running.set(false);
|
|
break;
|
|
} catch (Throwable x) {
|
|
Log.e(TAG, "Unexpected exception in ImageLoader.", x);
|
|
}
|
|
}
|
|
}
|
|
|
|
private class Task {
|
|
private final View view;
|
|
private final MusicDirectory.Entry entry;
|
|
private final String username;
|
|
private final Handler handler;
|
|
private final int size;
|
|
private final boolean saveToFile;
|
|
private final boolean crossFade;
|
|
private final boolean highQuality;
|
|
|
|
Task(
|
|
View view,
|
|
MusicDirectory.Entry entry,
|
|
int size,
|
|
boolean saveToFile,
|
|
boolean crossFade,
|
|
boolean highQuality
|
|
) {
|
|
this.view = view;
|
|
this.entry = entry;
|
|
this.username = null;
|
|
this.size = size;
|
|
this.saveToFile = saveToFile;
|
|
this.crossFade = crossFade;
|
|
this.highQuality = highQuality;
|
|
handler = new Handler();
|
|
}
|
|
|
|
Task(
|
|
View view,
|
|
String username,
|
|
int size,
|
|
boolean saveToFile,
|
|
boolean crossFade,
|
|
boolean highQuality
|
|
) {
|
|
this.view = view;
|
|
this.entry = null;
|
|
this.username = username;
|
|
this.size = size;
|
|
this.saveToFile = saveToFile;
|
|
this.crossFade = crossFade;
|
|
this.highQuality = highQuality;
|
|
handler = new Handler();
|
|
}
|
|
|
|
public void execute() {
|
|
try {
|
|
MusicService musicService = MusicServiceFactory.getMusicService(view.getContext());
|
|
final boolean isAvatar = this.username != null && this.entry == null;
|
|
final Bitmap bitmap = this.entry != null
|
|
? musicService.getCoverArt(view.getContext(), entry, size, saveToFile, highQuality, null)
|
|
: musicService.getAvatar(view.getContext(), username, size, saveToFile, highQuality, null);
|
|
|
|
if (bitmap == null) {
|
|
Log.d(TAG, "Found empty album art.");
|
|
return;
|
|
}
|
|
|
|
if (isAvatar)
|
|
addImageToCache(bitmap, username, size);
|
|
else
|
|
addImageToCache(bitmap, entry, size);
|
|
|
|
handler.post(new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
if (isAvatar) {
|
|
setAvatarImageBitmap(view, username, bitmap, crossFade);
|
|
} else {
|
|
setImageBitmap(view, entry, bitmap, crossFade);
|
|
}
|
|
}
|
|
});
|
|
} catch (Throwable x) {
|
|
Log.e(TAG, "Failed to download album art.", x);
|
|
}
|
|
}
|
|
}
|
|
}
|