PlatformTextClassifier.java
/*
* Copyright 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.textclassifier;
import android.annotation.SuppressLint;
import android.content.Context;
import android.os.Build;
import android.os.LocaleList;
import android.view.textclassifier.TextClassification;
import android.view.textclassifier.TextClassifier;
import android.view.textclassifier.TextSelection;
import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;
import androidx.annotation.RestrictTo;
import androidx.core.util.Preconditions;
/**
* An implementation of a platform TextClassifier, by wrapping an androidx textclassifier.
*
* @hide
*/
@RestrictTo(RestrictTo.Scope.LIBRARY)
@RequiresApi(api = Build.VERSION_CODES.O)
final class PlatformTextClassifier implements TextClassifier {
private final androidx.textclassifier.TextClassifier mTextClassifier;
private final Context mContext;
@SuppressLint("RestrictedApi")
PlatformTextClassifier(
@NonNull Context context,
@NonNull androidx.textclassifier.TextClassifier textClassifier) {
mContext = Preconditions.checkNotNull(context.getApplicationContext());
mTextClassifier = Preconditions.checkNotNull(textClassifier);
}
@RequiresApi(api = Build.VERSION_CODES.P)
@Override
public TextClassification classifyText(TextClassification.Request request) {
androidx.textclassifier.TextClassification.Request androidxRequest =
androidx.textclassifier.TextClassification.Request.fromPlatform(request);
return (TextClassification)
mTextClassifier.classifyText(androidxRequest).toPlatform(mContext);
}
@Override
public TextClassification classifyText(CharSequence text,
int startIndex,
int endIndex,
LocaleList defaultLocales) {
androidx.textclassifier.TextClassification.Request androidxRequest =
new androidx.textclassifier.TextClassification.Request.Builder(
text, startIndex, endIndex)
.setDefaultLocales(ConvertUtils.wrapLocalList(defaultLocales))
.build();
return (TextClassification)
mTextClassifier.classifyText(androidxRequest).toPlatform(mContext);
}
@Override
public TextSelection suggestSelection(CharSequence text, int selectionStartIndex,
int selectionEndIndex, LocaleList defaultLocales) {
androidx.textclassifier.TextSelection.Request androidxRequest =
new androidx.textclassifier.TextSelection.Request.Builder(
text, selectionStartIndex, selectionEndIndex)
.setDefaultLocales(ConvertUtils.wrapLocalList(defaultLocales))
.build();
return (TextSelection) mTextClassifier.suggestSelection(androidxRequest).toPlatform();
}
@Override
@RequiresApi(api = Build.VERSION_CODES.P)
public TextSelection suggestSelection(TextSelection.Request request) {
androidx.textclassifier.TextSelection.Request androidxRequest =
androidx.textclassifier.TextSelection.Request.fromPlatfrom(request);
return (TextSelection) mTextClassifier.suggestSelection(androidxRequest).toPlatform();
}
}