-
Notifications
You must be signed in to change notification settings - Fork 6.1k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Support parsing package local resource uris to ids
This lets us load resource Uris with the same theming benefits that we do normal resource ids. This is really only for backwards compatibility so that we can more readily remove the old ResourceLoader and support for resource Uris in UriLoader.
- Loading branch information
Showing
4 changed files
with
329 additions
and
14 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
150 changes: 150 additions & 0 deletions
150
library/src/main/java/com/bumptech/glide/load/model/ResourceUriLoader.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,150 @@ | ||
| package com.bumptech.glide.load.model; | ||
|
|
||
| import android.annotation.SuppressLint; | ||
| import android.content.ContentResolver; | ||
| import android.content.Context; | ||
| import android.content.res.AssetFileDescriptor; | ||
| import android.net.Uri; | ||
| import android.util.Log; | ||
| import androidx.annotation.NonNull; | ||
| import androidx.annotation.Nullable; | ||
| import com.bumptech.glide.load.Options; | ||
| import java.io.InputStream; | ||
| import java.util.List; | ||
|
|
||
| /** | ||
| * Converts Resource Uris to resource ids if the resource Uri points to a resource in this package. | ||
| * | ||
| * <p>This class really shouldn't need to exist. If you need to load resources, just pass | ||
| * in the integer resource id directly using {@link com.bumptech.glide.RequestManager#load(Integer)} | ||
| * instead. It'll be more correct in terms of caching and more efficient to load. The only reason | ||
| * we're supporting this case is for backwards compatibility. | ||
| * | ||
| * @param <DataT> The type of data produced, e.g. {@link InputStream} or | ||
| * {@link AssetFileDescriptor}. | ||
| */ | ||
| public final class ResourceUriLoader<DataT> implements ModelLoader<Uri, DataT> { | ||
| /** | ||
| * See the javadoc on {@link | ||
| * android.content.res.Resources#getIdentifier(java.lang.String, java.lang.String, java.lang.String)}. | ||
| */ | ||
| private static final int INVALID_RESOURCE_ID = 0; | ||
| private static final String TAG = "ResourceUriLoader"; | ||
|
|
||
| private final Context context; | ||
| private final ModelLoader<Integer, DataT> delegate; | ||
|
|
||
| public static ModelLoaderFactory<Uri, InputStream> newStreamFactory(Context context) { | ||
| return new InputStreamFactory(context); | ||
| } | ||
|
|
||
| public static ModelLoaderFactory<Uri, AssetFileDescriptor> newAssetFileDescriptorFactory( | ||
| Context context) { | ||
| return new AssetFileDescriptorFactory(context); | ||
| } | ||
|
|
||
| ResourceUriLoader(Context context, ModelLoader<Integer, DataT> delegate) { | ||
| this.context = context.getApplicationContext(); | ||
| this.delegate = delegate; | ||
| } | ||
|
|
||
| @Nullable | ||
| @Override | ||
| public LoadData<DataT> buildLoadData(@NonNull Uri uri, int width, int height, @NonNull Options options) { | ||
| List<String> pathSegments = uri.getPathSegments(); | ||
| // android.resource//<package_name>/<resource_id> | ||
| if (pathSegments.size() == 1) { | ||
| return parseResourceIdUri(uri, width, height, options); | ||
| } | ||
| // android.resource//<package_name>/<drawable>/<resource_name> | ||
| if (pathSegments.size() == 2) { | ||
| return parseResourceNameUri(uri, width, height, options); | ||
| } | ||
| if (Log.isLoggable(TAG, Log.WARN)) { | ||
| Log.w(TAG, "Failed to parse resource uri: " + uri); | ||
| } | ||
| return null; | ||
| } | ||
|
|
||
| @Nullable | ||
| private LoadData<DataT> parseResourceNameUri( | ||
| @NonNull Uri uri, int width, int height, @NonNull Options options) { | ||
| List<String> pathSegments = uri.getPathSegments(); | ||
| String resourceType = pathSegments.get(0); | ||
| String resourceName = pathSegments.get(1); | ||
|
|
||
| // Yes it's bad, but the caller has chosen to give us a resource uri... | ||
| @SuppressLint("DiscouragedApi") int identifier = | ||
| context.getResources().getIdentifier(resourceName, resourceType, context.getPackageName()); | ||
| if (identifier == INVALID_RESOURCE_ID) { | ||
| if (Log.isLoggable(TAG, Log.WARN)) { | ||
| Log.w(TAG, "Failed to find resource id for: " + uri); | ||
| } | ||
| return null; | ||
| } | ||
|
|
||
| return delegate.buildLoadData(identifier, width, height, options); | ||
| } | ||
|
|
||
| @Nullable | ||
| private LoadData<DataT> parseResourceIdUri( | ||
| @NonNull Uri uri, int width, int height, @NonNull Options options) { | ||
| try { | ||
| int resourceId = Integer.parseInt(uri.getPathSegments().get(0)); | ||
| if (resourceId == INVALID_RESOURCE_ID) { | ||
| if (Log.isLoggable(TAG, Log.WARN)) { | ||
| Log.w(TAG, "Failed to parse a valid non-0 resource id from: " + uri); | ||
| } | ||
| return null; | ||
| } | ||
| return delegate.buildLoadData(resourceId, width, height, options); | ||
| } catch (NumberFormatException e) { | ||
| if (Log.isLoggable(TAG, Log.WARN)) { | ||
| Log.w(TAG, "Failed to parse resource id from: " + uri ,e); | ||
| } | ||
| } | ||
| return null; | ||
| } | ||
|
|
||
| @Override | ||
| public boolean handles(@NonNull Uri uri) { | ||
| return ContentResolver.SCHEME_ANDROID_RESOURCE.equals(uri.getScheme()) | ||
| && context.getPackageName().equals(uri.getAuthority()); | ||
| } | ||
|
|
||
| private static final class InputStreamFactory implements ModelLoaderFactory<Uri, InputStream> { | ||
|
|
||
| private final Context context; | ||
|
|
||
| InputStreamFactory(Context context) { | ||
| this.context = context; | ||
| } | ||
|
|
||
| @NonNull | ||
| @Override | ||
| public ModelLoader<Uri, InputStream> build(@NonNull MultiModelLoaderFactory multiFactory) { | ||
| return new ResourceUriLoader<>(context, multiFactory.build(Integer.class, InputStream.class)); | ||
| } | ||
|
|
||
| @Override public void teardown() {} | ||
| } | ||
|
|
||
| private static final class AssetFileDescriptorFactory implements ModelLoaderFactory<Uri, AssetFileDescriptor> { | ||
|
|
||
| private final Context context; | ||
|
|
||
| AssetFileDescriptorFactory(Context context) { | ||
| this.context = context; | ||
| } | ||
|
|
||
| @NonNull | ||
| @Override | ||
| public ModelLoader<Uri, AssetFileDescriptor> build( | ||
| @NonNull MultiModelLoaderFactory multiFactory) { | ||
| return new ResourceUriLoader<>( | ||
| context, multiFactory.build(Integer.class, AssetFileDescriptor.class)); | ||
| } | ||
|
|
||
| @Override public void teardown() {} | ||
| } | ||
| } |
Oops, something went wrong.