| /* |
| * 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; |
| |
| /** |
| * This class serves as a parcelable placeholder for the ReplacementSpans. |
| * |
| * This span contains content description of original span to let Accessibility service to do the |
| * substitution for it. |
| * |
| * @hide |
| */ |
| public class AccessibilityReplacementSpan extends ReplacementSpan |
| implements ParcelableSpan { |
| // The content description of the span this one replaces |
| private CharSequence mContentDescription; |
| |
| /** |
| * @param contentDescription The content description of the span this one replaces |
| */ |
| public AccessibilityReplacementSpan(CharSequence contentDescription) { |
| this.setContentDescription(contentDescription); |
| mContentDescription = contentDescription; |
| } |
| |
| public AccessibilityReplacementSpan(Parcel p) { |
| mContentDescription = p.readCharSequence(); |
| } |
| |
| @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(mContentDescription); |
| } |
| |
| @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]; |
| } |
| }; |
| } |