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/*
* Copyright (C) 2021 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.view.inputmethod;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.graphics.RectF;
import android.os.Parcel;
import android.os.Parcelable;
import java.util.Objects;
/**
* Container of rectangular position related info for the Editor.
*/
public final class EditorBoundsInfo implements Parcelable {
/**
* The bounding box of the of currently focused text editor in local coordinates.
*/
private final RectF mEditorBounds;
/**
* The bounding box of the of currently focused text editor with additional padding around it
* for initiating Stylus Handwriting in the current window.
*/
private final RectF mHandwritingBounds;
private final int mHashCode;
private EditorBoundsInfo(@NonNull Parcel source) {
mHashCode = source.readInt();
mEditorBounds = source.readTypedObject(RectF.CREATOR);
mHandwritingBounds = source.readTypedObject(RectF.CREATOR);
}
/**
* Returns the bounds of the Editor in local coordinates.
*
* Screen coordinates can be obtained by transforming with the
* {@link CursorAnchorInfo#getMatrix} of the containing {@code CursorAnchorInfo}.
*/
@Nullable
public RectF getEditorBounds() {
return mEditorBounds;
}
/**
* Returns the bounds of the area that should be considered for initiating stylus handwriting
* in local coordinates.
*
* Screen coordinates can be obtained by transforming with the
* {@link CursorAnchorInfo#getMatrix} of the containing {@code CursorAnchorInfo}.
*/
@Nullable
public RectF getHandwritingBounds() {
return mHandwritingBounds;
}
@Override
public int hashCode() {
return mHashCode;
}
@Override
public String toString() {
return "EditorBoundsInfo{mEditorBounds=" + mEditorBounds
+ " mHandwritingBounds=" + mHandwritingBounds
+ "}";
}
@Override
public boolean equals(@Nullable Object obj) {
if (obj == null) {
return false;
}
EditorBoundsInfo bounds;
if (obj instanceof EditorBoundsInfo) {
bounds = (EditorBoundsInfo) obj;
} else {
return false;
}
return Objects.equals(bounds.mEditorBounds, mEditorBounds)
&& Objects.equals(bounds.mHandwritingBounds, mHandwritingBounds);
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(@NonNull Parcel dest, int flags) {
dest.writeInt(mHashCode);
dest.writeTypedObject(mEditorBounds, flags);
dest.writeTypedObject(mHandwritingBounds, flags);
}
/**
* Used to make this class parcelable.
*/
public static final @android.annotation.NonNull Parcelable.Creator<EditorBoundsInfo> CREATOR
= new Parcelable.Creator<EditorBoundsInfo>() {
@Override
public EditorBoundsInfo createFromParcel(@NonNull Parcel source) {
return new EditorBoundsInfo(source);
}
@Override
public EditorBoundsInfo[] newArray(int size) {
return new EditorBoundsInfo[size];
}
};
/**
* Builder for {@link CursorAnchorInfo}.
*/
public static final class Builder {
private RectF mEditorBounds = null;
private RectF mHandwritingBounds = null;
/**
* Sets the bounding box of the current editor.
*
* @param bounds {@link RectF} in local coordinates.
*/
@NonNull
public EditorBoundsInfo.Builder setEditorBounds(@Nullable RectF bounds) {
mEditorBounds = bounds;
return this;
}
/**
* Sets the current editor's bounds with padding for handwriting.
*
* @param bounds {@link RectF} in local coordinates.
*/
@NonNull
public EditorBoundsInfo.Builder setHandwritingBounds(@Nullable RectF bounds) {
mHandwritingBounds = bounds;
return this;
}
/**
* Returns {@link EditorBoundsInfo} using parameters in this
* {@link EditorBoundsInfo.Builder}.
*/
@NonNull
public EditorBoundsInfo build() {
return new EditorBoundsInfo(this);
}
}
private EditorBoundsInfo(final EditorBoundsInfo.Builder builder) {
mEditorBounds = builder.mEditorBounds;
mHandwritingBounds = builder.mHandwritingBounds;
int hash = Objects.hashCode(mEditorBounds);
hash *= 31;
hash += Objects.hashCode(mHandwritingBounds);
mHashCode = hash;
}
}
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