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/*
* Copyright (C) 2019 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 android.text.style;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.os.Parcel;
import android.os.Parcelable;
import android.text.ParcelableSpan;
import android.text.TextUtils;
import android.view.accessibility.AccessibilityNodeInfo;
/**
* This class serves as a parcelable placeholder for the {@link ReplacementSpan}.
*
* It is used to replace ReplacementSpans in {@link AccessibilityNodeInfo#setText(CharSequence)}.
*
* @hide
*/
public class AccessibilityReplacementSpan extends ReplacementSpan
implements ParcelableSpan {
/**
* Sets the content description to the parent class.
*
* @param contentDescription The content description of the span this one replaces
*/
public AccessibilityReplacementSpan(CharSequence contentDescription) {
this.setContentDescription(contentDescription);
}
/**
* Sets the content description to the parent class.
*
* @param p The parcel to de-serialize from
*/
public AccessibilityReplacementSpan(Parcel p) {
final CharSequence contentDescription = p.readCharSequence();
this.setContentDescription(contentDescription);
}
@Override
public int getSpanTypeId() {
return getSpanTypeIdInternal();
}
@Override
public int getSpanTypeIdInternal() {
return TextUtils.ACCESSIBILITY_REPLACEMENT_SPAN;
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
writeToParcelInternal(dest, flags);
}
@Override
public void writeToParcelInternal(Parcel dest, int flags) {
dest.writeCharSequence(this.getContentDescription());
}
@Override
public int getSize(Paint paint, CharSequence text, int start, int end,
Paint.FontMetricsInt fm) {
return 0;
}
@Override
public void draw(Canvas canvas, CharSequence text, int start, int end, float x, int top, int y,
int bottom, Paint paint) {
}
public static final @android.annotation.NonNull
Parcelable.Creator<AccessibilityReplacementSpan> CREATOR =
new Parcelable.Creator<AccessibilityReplacementSpan>() {
@Override
public AccessibilityReplacementSpan createFromParcel(Parcel parcel) {
return new AccessibilityReplacementSpan(parcel);
}
@Override
public AccessibilityReplacementSpan[] newArray(int size) {
return new AccessibilityReplacementSpan[size];
}
};
}
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