104 lines
3.2 KiB
Java
104 lines
3.2 KiB
Java
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/*
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* Copyright 2023 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 android.hardware.input;
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import android.annotation.IntRange;
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import android.annotation.NonNull;
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import android.os.Parcel;
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/**
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* Configurations to create a virtual touch-based device.
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*
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* @hide
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*/
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abstract class VirtualTouchDeviceConfig extends VirtualInputDeviceConfig {
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/** The touch device width. */
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private final int mWidth;
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/** The touch device height. */
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private final int mHeight;
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VirtualTouchDeviceConfig(@NonNull Builder<? extends Builder<?>> builder) {
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super(builder);
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mWidth = builder.mWidth;
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mHeight = builder.mHeight;
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}
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VirtualTouchDeviceConfig(@NonNull Parcel in) {
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super(in);
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mWidth = in.readInt();
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mHeight = in.readInt();
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}
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/** Returns the touch device width. */
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public int getWidth() {
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return mWidth;
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}
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/** Returns the touch device height. */
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public int getHeight() {
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return mHeight;
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}
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@Override
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void writeToParcel(@NonNull Parcel dest, int flags) {
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super.writeToParcel(dest, flags);
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dest.writeInt(mWidth);
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dest.writeInt(mHeight);
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}
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@Override
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@NonNull
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String additionalFieldsToString() {
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return " width=" + mWidth + " height=" + mHeight;
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}
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/**
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* Builder for creating a {@link VirtualTouchDeviceConfig}.
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*
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* @param <T> The subclass to be built.
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*/
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abstract static class Builder<T extends Builder<T>>
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extends VirtualInputDeviceConfig.Builder<T> {
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private final int mWidth;
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private final int mHeight;
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/**
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* Creates a new instance for the given dimensions of the touch device.
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*
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* <p>The dimensions are not pixels but in the screen's raw coordinate space. They do
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* not necessarily have to correspond to the display size or aspect ratio. In this case the
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* framework will handle the scaling appropriately.
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*
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* @param touchDeviceWidth The width of the touch device.
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* @param touchDeviceHeight The height of the touch device.
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*/
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Builder(@IntRange(from = 1) int touchDeviceWidth,
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@IntRange(from = 1) int touchDeviceHeight) {
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if (touchDeviceHeight <= 0 || touchDeviceWidth <= 0) {
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throw new IllegalArgumentException(
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"Cannot create a virtual touch-based device, dimensions must be "
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+ "positive. Got: (" + touchDeviceHeight + ", "
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+ touchDeviceWidth + ")");
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}
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mHeight = touchDeviceHeight;
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mWidth = touchDeviceWidth;
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}
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}
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}
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