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Diffstat (limited to 'subsonic-android/src/github/daneren2005/dsub/util/ImageLoader.java')
-rw-r--r--subsonic-android/src/github/daneren2005/dsub/util/ImageLoader.java332
1 files changed, 0 insertions, 332 deletions
diff --git a/subsonic-android/src/github/daneren2005/dsub/util/ImageLoader.java b/subsonic-android/src/github/daneren2005/dsub/util/ImageLoader.java
deleted file mode 100644
index 331bc629..00000000
--- a/subsonic-android/src/github/daneren2005/dsub/util/ImageLoader.java
+++ /dev/null
@@ -1,332 +0,0 @@
-/*
- 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 github.daneren2005.dsub.util;
-
-import android.annotation.TargetApi;
-import android.content.Context;
-import android.graphics.Bitmap;
-import android.graphics.drawable.BitmapDrawable;
-import android.graphics.drawable.Drawable;
-import android.graphics.drawable.TransitionDrawable;
-import android.media.RemoteControlClient;
-import android.os.Handler;
-import android.util.DisplayMetrics;
-import android.util.Log;
-import android.support.v4.util.LruCache;
-import android.view.View;
-import android.widget.ImageView;
-import android.widget.TextView;
-import github.daneren2005.dsub.R;
-import github.daneren2005.dsub.domain.MusicDirectory;
-import github.daneren2005.dsub.service.MusicService;
-import github.daneren2005.dsub.service.MusicServiceFactory;
-
-import java.util.concurrent.BlockingQueue;
-import java.util.concurrent.LinkedBlockingQueue;
-
-/**
- * Asynchronous loading of images, with caching.
- * <p/>
- * There should normally be only one instance of this class.
- *
- * @author Sindre Mehus
- */
-@TargetApi(14)
-public class ImageLoader implements Runnable {
-
- private static final String TAG = ImageLoader.class.getSimpleName();
- private static final int CONCURRENCY = 5;
-
- private Handler mHandler = new Handler();
- private Context context;
- private LruCache<String, Bitmap> cache;
- private Bitmap nowPlaying;
- private final BlockingQueue<Task> queue;
- private final int imageSizeDefault;
- private final int imageSizeLarge;
- private Drawable largeUnknownImage;
-
- public ImageLoader(Context context) {
- this.context = context;
- final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
- final int cacheSize = maxMemory / 4;
- cache = new LruCache<String, Bitmap>(cacheSize) {
- @Override
- protected int sizeOf(String key, Bitmap bitmap) {
- return bitmap.getRowBytes() * bitmap.getHeight() / 1024;
- }
-
- @Override
- protected void entryRemoved(boolean evicted, String key, Bitmap oldBitmap, Bitmap newBitmap) {
- if(evicted && oldBitmap != nowPlaying) {
- oldBitmap.recycle();
- }
- }
- };
-
- queue = new LinkedBlockingQueue<Task>(500);
-
- // Determine the density-dependent image sizes.
- imageSizeDefault = context.getResources().getDrawable(R.drawable.unknown_album).getIntrinsicHeight();
- DisplayMetrics metrics = context.getResources().getDisplayMetrics();
- imageSizeLarge = (int) Math.round(Math.min(metrics.widthPixels, metrics.heightPixels));
-
- for (int i = 0; i < CONCURRENCY; i++) {
- new Thread(this, "ImageLoader").start();
- }
-
- createLargeUnknownImage(context);
- }
-
- private void createLargeUnknownImage(Context context) {
- BitmapDrawable drawable = (BitmapDrawable) context.getResources().getDrawable(R.drawable.unknown_album_large);
- Bitmap bitmap = Bitmap.createScaledBitmap(drawable.getBitmap(), imageSizeLarge, imageSizeLarge, true);
- largeUnknownImage = Util.createDrawableFromBitmap(context, bitmap);
- }
-
- public void loadImage(View view, MusicDirectory.Entry entry, boolean large, boolean crossfade) {
- if (largeUnknownImage != null && ((BitmapDrawable)largeUnknownImage).getBitmap().isRecycled())
- createLargeUnknownImage(view.getContext());
-
- if (entry == null || entry.getCoverArt() == null) {
- setUnknownImage(view, large);
- return;
- }
-
- int size = large ? imageSizeLarge : imageSizeDefault;
- Bitmap bitmap = cache.get(getKey(entry.getCoverArt(), size));
- if (bitmap != null && !bitmap.isRecycled()) {
- final Drawable drawable = Util.createDrawableFromBitmap(this.context, bitmap);
- setImage(view, drawable, large);
- if(large) {
- nowPlaying = bitmap;
- }
- return;
- }
-
- if (!large) {
- setUnknownImage(view, large);
- }
- queue.offer(new Task(view.getContext(), entry, size, imageSizeLarge, large, new ViewTaskHandler(view, crossfade)));
- }
-
- public void loadImage(Context context, RemoteControlClient remoteControl, MusicDirectory.Entry entry) {
- if (largeUnknownImage != null && ((BitmapDrawable)largeUnknownImage).getBitmap().isRecycled())
- createLargeUnknownImage(context);
-
- if (entry == null || entry.getCoverArt() == null) {
- setUnknownImage(remoteControl);
- return;
- }
-
- Bitmap bitmap = cache.get(getKey(entry.getCoverArt(), imageSizeLarge));
- if (bitmap != null && !bitmap.isRecycled()) {
- Drawable drawable = Util.createDrawableFromBitmap(this.context, bitmap);
- setImage(remoteControl, drawable);
- return;
- }
-
- setUnknownImage(remoteControl);
- queue.offer(new Task(context, entry, imageSizeLarge, imageSizeLarge, false, new RemoteControlClientTaskHandler(remoteControl)));
- }
-
- private String getKey(String coverArtId, int size) {
- return coverArtId + size;
- }
-
- private void setImage(View view, Drawable drawable, boolean crossfade) {
- if (view instanceof TextView) {
- // Cross-fading is not implemented for TextView since it's not in use. It would be easy to add it, though.
- TextView textView = (TextView) view;
- textView.setCompoundDrawablesWithIntrinsicBounds(drawable, null, null, null);
- } else if (view instanceof ImageView) {
- ImageView imageView = (ImageView) view;
- if (crossfade) {
-
- Drawable existingDrawable = imageView.getDrawable();
- if (existingDrawable == null) {
- Bitmap emptyImage;
- if(drawable.getIntrinsicWidth() > 0 && drawable.getIntrinsicHeight() > 0) {
- emptyImage = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
- } else {
- emptyImage = Bitmap.createBitmap(imageSizeDefault, imageSizeDefault, Bitmap.Config.ARGB_8888);
- }
- existingDrawable = new BitmapDrawable(emptyImage);
- } else {
- // Try to get rid of old transitions
- try {
- TransitionDrawable tmp = (TransitionDrawable) existingDrawable;
- int layers = tmp.getNumberOfLayers();
- existingDrawable = tmp.getDrawable(layers - 1);
- } catch(Exception e) {
- // Do nothing, just means that the drawable is a flat image
- }
- }
- if (!(((BitmapDrawable)existingDrawable).getBitmap().isRecycled()))
- { // We will flow through to the non-transition if the old image is recycled... Yay 4.3
- Drawable[] layers = new Drawable[]{existingDrawable, drawable};
-
- TransitionDrawable transitionDrawable = new TransitionDrawable(layers);
- imageView.setImageDrawable(transitionDrawable);
- transitionDrawable.startTransition(250);
- return;
- }
- }
- imageView.setImageDrawable(drawable);
- return;
- }
- }
-
- private void setImage(RemoteControlClient remoteControl, Drawable drawable) {
- if(remoteControl != null && drawable != null) {
- Bitmap origBitmap = ((BitmapDrawable)drawable).getBitmap();
- if ( origBitmap != null && !origBitmap.isRecycled()) {
- remoteControl.editMetadata(false)
- .putBitmap(
- RemoteControlClient.MetadataEditor.BITMAP_KEY_ARTWORK,
- origBitmap)
- .apply();
- } else {
- Log.e(TAG, "Tried to load a recycled bitmap.");
- remoteControl.editMetadata(false)
- .putBitmap(RemoteControlClient.MetadataEditor.BITMAP_KEY_ARTWORK, null)
- .apply();
- }
- }
- }
-
- private void setUnknownImage(View view, boolean large) {
- if (large) {
- setImage(view, 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);
- }
- }
- }
-
- private void setUnknownImage(RemoteControlClient remoteControl) {
- setImage(remoteControl, largeUnknownImage);
- }
-
- public void clear() {
- queue.clear();
- }
-
- @Override
- public void run() {
- while (true) {
- try {
- Task task = queue.take();
- task.execute();
- } catch (Throwable x) {
- Log.e(TAG, "Unexpected exception in ImageLoader.", x);
- }
- }
- }
-
- private class Task {
- private final Context mContext;
- private final MusicDirectory.Entry mEntry;
- private final int mSize;
- private final int mSaveSize;
- private final boolean mIsNowPlaying;
- private ImageLoaderTaskHandler mTaskHandler;
-
- public Task(Context context, MusicDirectory.Entry entry, int size, int saveSize, boolean isNowPlaying, ImageLoaderTaskHandler taskHandler) {
- mContext = context;
- mEntry = entry;
- mSize = size;
- mSaveSize = saveSize;
- mIsNowPlaying = isNowPlaying;
- mTaskHandler = taskHandler;
- }
-
- public void execute() {
- try {
- loadImage();
- } catch(OutOfMemoryError e) {
- Log.w(TAG, "Ran out of memory trying to load image, try cleanup and retry");
- cache.evictAll();
- System.gc();
- }
- }
- public void loadImage() {
- try {
- MusicService musicService = MusicServiceFactory.getMusicService(mContext);
- Bitmap bitmap = musicService.getCoverArt(mContext, mEntry, mSize, mSaveSize, null);
- String key = getKey(mEntry.getCoverArt(), mSize);
- cache.put(key, bitmap);
- // Make sure key is the most recently "used"
- cache.get(key);
- if(mIsNowPlaying) {
- nowPlaying = bitmap;
- }
-
- final Drawable drawable = Util.createDrawableFromBitmap(mContext, bitmap);
- mTaskHandler.setDrawable(drawable);
- mHandler.post(mTaskHandler);
- } catch (Throwable x) {
- Log.e(TAG, "Failed to download album art.", x);
- }
- }
- }
-
- private abstract class ImageLoaderTaskHandler implements Runnable {
-
- protected Drawable mDrawable;
-
- public void setDrawable(Drawable drawable) {
- mDrawable = drawable;
- }
-
- }
-
- private class ViewTaskHandler extends ImageLoaderTaskHandler {
-
- protected boolean mCrossfade;
- private View mView;
-
- public ViewTaskHandler(View view, boolean crossfade) {
- mCrossfade = crossfade;
- mView = view;
- }
-
- @Override
- public void run() {
- setImage(mView, mDrawable, mCrossfade);
- }
- }
-
- private class RemoteControlClientTaskHandler extends ImageLoaderTaskHandler {
-
- private RemoteControlClient mRemoteControl;
-
- public RemoteControlClientTaskHandler(RemoteControlClient remoteControl) {
- mRemoteControl = remoteControl;
- }
-
- @Override
- public void run() {
- setImage(mRemoteControl, mDrawable);
- }
- }
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-18 12:59:41 +0000