diff options
Diffstat (limited to 'core/src/main')
5 files changed, 147 insertions, 14 deletions
diff --git a/core/src/main/java/de/danoeh/antennapod/core/feed/LocalFeedUpdater.java b/core/src/main/java/de/danoeh/antennapod/core/feed/LocalFeedUpdater.java index 7ddaa080a..e0e1bbaa5 100644 --- a/core/src/main/java/de/danoeh/antennapod/core/feed/LocalFeedUpdater.java +++ b/core/src/main/java/de/danoeh/antennapod/core/feed/LocalFeedUpdater.java @@ -1,6 +1,5 @@ package de.danoeh.antennapod.core.feed; -import android.content.ContentResolver; import android.content.Context; import android.media.MediaMetadataRetriever; import android.net.Uri; @@ -104,7 +103,7 @@ public class LocalFeedUpdater { } } - feed.setImageUrl(getImageUrl(context, documentFolder)); + feed.setImageUrl(getImageUrl(documentFolder)); feed.getPreferences().setAutoDownload(false); feed.getPreferences().setAutoDeleteAction(FeedPreferences.AutoDeleteAction.NO); @@ -122,7 +121,7 @@ public class LocalFeedUpdater { * Returns the image URL for the local feed. */ @NonNull - static String getImageUrl(@NonNull Context context, @NonNull DocumentFile documentFolder) { + static String getImageUrl(@NonNull DocumentFile documentFolder) { // look for special file names for (String iconLocation : PREFERRED_FEED_IMAGE_FILENAMES) { DocumentFile image = documentFolder.findFile(iconLocation); @@ -140,17 +139,7 @@ public class LocalFeedUpdater { } // use default icon as fallback - return getDefaultIconUrl(context); - } - - /** - * Returns the URL of the default icon for a local feed. The URL refers to an app resource file. - */ - public static String getDefaultIconUrl(Context context) { - String resourceEntryName = context.getResources().getResourceEntryName(R.raw.local_feed_default_icon); - return ContentResolver.SCHEME_ANDROID_RESOURCE + "://" - + context.getPackageName() + "/raw/" - + resourceEntryName; + return Feed.PREFIX_GENERATIVE_COVER + documentFolder.getUri(); } private static FeedItem feedContainsFile(Feed feed, String filename) { diff --git a/core/src/main/java/de/danoeh/antennapod/core/glide/ApGlideModule.java b/core/src/main/java/de/danoeh/antennapod/core/glide/ApGlideModule.java index 797addcc1..593b683f7 100644 --- a/core/src/main/java/de/danoeh/antennapod/core/glide/ApGlideModule.java +++ b/core/src/main/java/de/danoeh/antennapod/core/glide/ApGlideModule.java @@ -42,6 +42,7 @@ public class ApGlideModule extends AppGlideModule { @Override public void registerComponents(@NonNull Context context, @NonNull Glide glide, @NonNull Registry registry) { registry.replace(String.class, InputStream.class, new MetadataRetrieverLoader.Factory(context)); + registry.append(String.class, InputStream.class, new GenerativePlaceholderImageModelLoader.Factory()); registry.append(String.class, InputStream.class, new ApOkHttpUrlLoader.Factory()); registry.append(String.class, InputStream.class, new NoHttpStringLoader.StreamFactory()); diff --git a/core/src/main/java/de/danoeh/antennapod/core/glide/GenerativePlaceholderImageModelLoader.java b/core/src/main/java/de/danoeh/antennapod/core/glide/GenerativePlaceholderImageModelLoader.java new file mode 100644 index 000000000..a2263bc28 --- /dev/null +++ b/core/src/main/java/de/danoeh/antennapod/core/glide/GenerativePlaceholderImageModelLoader.java @@ -0,0 +1,139 @@ +package de.danoeh.antennapod.core.glide; + +import android.graphics.Bitmap; +import android.graphics.Canvas; +import android.graphics.LinearGradient; +import android.graphics.Paint; +import android.graphics.PorterDuff; +import android.graphics.PorterDuffColorFilter; +import android.graphics.Shader; +import androidx.annotation.NonNull; +import com.bumptech.glide.Priority; +import com.bumptech.glide.load.DataSource; +import com.bumptech.glide.load.Options; +import com.bumptech.glide.load.data.DataFetcher; +import com.bumptech.glide.load.model.ModelLoader; +import com.bumptech.glide.load.model.ModelLoaderFactory; +import com.bumptech.glide.load.model.MultiModelLoaderFactory; +import com.bumptech.glide.signature.ObjectKey; +import de.danoeh.antennapod.model.feed.Feed; + +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.InputStream; +import java.util.Random; + +public final class GenerativePlaceholderImageModelLoader implements ModelLoader<String, InputStream> { + + public static class Factory implements ModelLoaderFactory<String, InputStream> { + @NonNull + @Override + public ModelLoader<String, InputStream> build(@NonNull MultiModelLoaderFactory unused) { + return new GenerativePlaceholderImageModelLoader(); + } + + @Override + public void teardown() { + // Do nothing. + } + } + + @Override + public LoadData<InputStream> buildLoadData(@NonNull String model, int width, int height, @NonNull Options options) { + return new LoadData<>(new ObjectKey(model), new EmbeddedImageFetcher(model, width, height)); + } + + @Override + public boolean handles(@NonNull String model) { + return model.startsWith(Feed.PREFIX_GENERATIVE_COVER); + } + + static class EmbeddedImageFetcher implements DataFetcher<InputStream> { + private static final int[] PALETTES = {0xff78909c, 0xffff6f00, 0xff388e3c, + 0xff00838f, 0xff7b1fa2, 0xffb71c1c, 0xff2196f3}; + private final String model; + private final int width; + private final int height; + + public EmbeddedImageFetcher(String model, int width, int height) { + this.model = model; + this.width = width; + this.height = height; + } + + @Override + public void loadData(@NonNull Priority priority, @NonNull DataCallback<? super InputStream> callback) { + final Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); + final Canvas canvas = new Canvas(bitmap); + final Random generator = new Random(model.hashCode()); + final int lineGridSteps = 4 + generator.nextInt(4); + final int slope = width / 4; + final float shadowWidth = width * 0.01f; + final float lineDistance = ((float) width / (lineGridSteps - 2)); + final int baseColor = PALETTES[generator.nextInt(PALETTES.length)]; + + Paint paint = new Paint(); + int color = randomShadeOfGrey(generator); + paint.setColor(color); + paint.setStrokeWidth(lineDistance); + paint.setColorFilter(new PorterDuffColorFilter(baseColor, PorterDuff.Mode.MULTIPLY)); + Paint paintShadow = new Paint(); + paintShadow.setColor(0xff000000); + paintShadow.setStrokeWidth(lineDistance); + + int forcedColorChange = 1 + generator.nextInt(lineGridSteps - 2); + for (int i = lineGridSteps - 1; i >= 0; i--) { + float linePos = (i - 0.5f) * lineDistance; + boolean switchColor = generator.nextFloat() < 0.3f || i == forcedColorChange; + if (switchColor) { + int newColor = color; + while (newColor == color) { + newColor = randomShadeOfGrey(generator); + } + color = newColor; + paint.setColor(newColor); + canvas.drawLine(linePos + slope + shadowWidth, -slope, + linePos - slope + shadowWidth, height + slope, paintShadow); + } + canvas.drawLine(linePos + slope, -slope, + linePos - slope, height + slope, paint); + } + + Paint gradientPaint = new Paint(); + paint.setDither(true); + gradientPaint.setShader(new LinearGradient(0, 0, 0, height, 0x00000000, 0x55000000, Shader.TileMode.CLAMP)); + canvas.drawRect(0, 0, width, height, gradientPaint); + + ByteArrayOutputStream baos = new ByteArrayOutputStream(); + bitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos); + InputStream is = new ByteArrayInputStream(baos.toByteArray()); + callback.onDataReady(is); + } + + private static int randomShadeOfGrey(Random generator) { + return 0xff777777 + 0x222222 * generator.nextInt(5); + } + + @Override + public void cleanup() { + // nothing to clean up + } + + @Override + public void cancel() { + // cannot cancel + } + + @NonNull + @Override + public Class<InputStream> getDataClass() { + return InputStream.class; + } + + @NonNull + @Override + public DataSource getDataSource() { + return DataSource.LOCAL; + } + } +} diff --git a/core/src/main/java/de/danoeh/antennapod/core/service/download/handler/FeedParserTask.java b/core/src/main/java/de/danoeh/antennapod/core/service/download/handler/FeedParserTask.java index 21d3452d6..7e3b07880 100644 --- a/core/src/main/java/de/danoeh/antennapod/core/service/download/handler/FeedParserTask.java +++ b/core/src/main/java/de/danoeh/antennapod/core/service/download/handler/FeedParserTask.java @@ -1,5 +1,6 @@ package de.danoeh.antennapod.core.service.download.handler; +import android.text.TextUtils; import android.util.Log; import de.danoeh.antennapod.model.feed.Feed; import de.danoeh.antennapod.model.feed.FeedItem; @@ -48,6 +49,9 @@ public class FeedParserTask implements Callable<FeedHandlerResult> { result = feedHandler.parseFeed(feed); Log.d(TAG, feed.getTitle() + " parsed"); checkFeedData(feed); + if (TextUtils.isEmpty(feed.getImageUrl())) { + feed.setImageUrl(Feed.PREFIX_GENERATIVE_COVER + feed.getDownload_url()); + } } catch (SAXException | IOException | ParserConfigurationException e) { successful = false; e.printStackTrace(); diff --git a/core/src/main/res/raw/local_feed_default_icon.png b/core/src/main/res/raw/local_feed_default_icon.png Binary files differdeleted file mode 100644 index c1b24a729..000000000 --- a/core/src/main/res/raw/local_feed_default_icon.png +++ /dev/null |
