ad29500d1d
This is one step closer to (un)make CustomSliceManager an singleton. Bug: 123937830 Test: manual Change-Id: I844d0fb798c73e2af1945ecb667ba73fac9edf72
61 lines
2.0 KiB
Java
61 lines
2.0 KiB
Java
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.slices;
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import android.content.Context;
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import android.net.Uri;
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import java.util.Map;
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import java.util.WeakHashMap;
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/**
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* Manages custom {@link androidx.slice.Slice Slices}, which are all Slices not backed by
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* preferences.
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*/
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public class CustomSliceManager {
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private final Context mContext;
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private final Map<Uri, CustomSliceable> mSliceableCache;
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public CustomSliceManager(Context context) {
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mContext = context.getApplicationContext();
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mSliceableCache = new WeakHashMap<>();
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}
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/**
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* Return a {@link CustomSliceable} associated to the Uri.
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* <p>
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* Do not change this method signature to accommodate for a special-case slicable - a context is
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* the only thing that should be needed to create the object.
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*/
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public CustomSliceable getSliceableFromUri(Uri uri) {
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final Uri newUri = CustomSliceRegistry.removeParameterFromUri(uri);
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if (mSliceableCache.containsKey(newUri)) {
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return mSliceableCache.get(newUri);
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}
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final Class clazz = CustomSliceRegistry.getSliceClassByUri(newUri);
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if (clazz == null) {
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throw new IllegalArgumentException("No Slice found for uri: " + uri);
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}
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final CustomSliceable sliceable = CustomSliceable.createInstance(mContext, clazz);
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mSliceableCache.put(newUri, sliceable);
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return sliceable;
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}
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}
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