DeviceParametersBuilders.java
/*
* Copyright 2021-2022 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.wear.protolayout;
import static androidx.annotation.Dimension.DP;
import androidx.annotation.Dimension;
import androidx.annotation.FloatRange;
import androidx.annotation.IntDef;
import androidx.annotation.NonNull;
import androidx.annotation.RestrictTo;
import androidx.wear.protolayout.proto.DeviceParametersProto;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
/** Builders for request messages used to fetch tiles and resources. */
public final class DeviceParametersBuilders {
private DeviceParametersBuilders() {}
/**
* The platform of the device requesting a tile.
*
* @hide
*/
@RestrictTo(RestrictTo.Scope.LIBRARY)
@IntDef({DEVICE_PLATFORM_UNDEFINED, DEVICE_PLATFORM_WEAR_OS})
@Retention(RetentionPolicy.SOURCE)
public @interface DevicePlatform {}
/** Device platform is undefined. */
public static final int DEVICE_PLATFORM_UNDEFINED = 0;
/** Device is a Wear OS device. */
public static final int DEVICE_PLATFORM_WEAR_OS = 1;
/**
* The shape of a screen.
*
* @hide
*/
@RestrictTo(RestrictTo.Scope.LIBRARY)
@IntDef({SCREEN_SHAPE_UNDEFINED, SCREEN_SHAPE_ROUND, SCREEN_SHAPE_RECT})
@Retention(RetentionPolicy.SOURCE)
public @interface ScreenShape {}
/** Screen shape is undefined. */
public static final int SCREEN_SHAPE_UNDEFINED = 0;
/** A round screen (typically found on most Wear devices). */
public static final int SCREEN_SHAPE_ROUND = 1;
/** Rectangular screens. */
public static final int SCREEN_SHAPE_RECT = 2;
/**
* Parameters describing the device requesting a tile update. This contains physical and logical
* characteristics about the device (e.g. screen size and density, etc).
*/
public static final class DeviceParameters {
private final DeviceParametersProto.DeviceParameters mImpl;
private DeviceParameters(DeviceParametersProto.DeviceParameters impl) {
this.mImpl = impl;
}
/** Gets width of the device's screen in DP. */
@Dimension(unit = DP)
public int getScreenWidthDp() {
return mImpl.getScreenWidthDp();
}
/** Gets height of the device's screen in DP. */
@Dimension(unit = DP)
public int getScreenHeightDp() {
return mImpl.getScreenHeightDp();
}
/**
* Gets density of the display. This value is the scaling factor to get from DP to Pixels (px =
* dp * density).
*/
@FloatRange(from = 0.0, fromInclusive = false, toInclusive = false)
public float getScreenDensity() {
return mImpl.getScreenDensity();
}
/** Gets the platform of the device. */
@DevicePlatform
public int getDevicePlatform() {
return mImpl.getDevicePlatform().getNumber();
}
/** Gets the shape of the device's screen. */
@ScreenShape
public int getScreenShape() {
return mImpl.getScreenShape().getNumber();
}
@NonNull
static DeviceParameters fromProto(@NonNull DeviceParametersProto.DeviceParameters proto) {
return new DeviceParameters(proto);
}
@NonNull
DeviceParametersProto.DeviceParameters toProto() {
return mImpl;
}
/** Builder for {@link DeviceParameters} */
public static final class Builder {
private final DeviceParametersProto.DeviceParameters.Builder mImpl =
DeviceParametersProto.DeviceParameters.newBuilder();
public Builder() {}
/** Sets width of the device's screen in DP. */
@NonNull
public Builder setScreenWidthDp(@Dimension(unit = DP) int screenWidthDp) {
mImpl.setScreenWidthDp(screenWidthDp);
return this;
}
/** Sets height of the device's screen in DP. */
@NonNull
public Builder setScreenHeightDp(@Dimension(unit = DP) int screenHeightDp) {
mImpl.setScreenHeightDp(screenHeightDp);
return this;
}
/**
* Sets density of the display. This value is the scaling factor to get from DP to Pixels (px
* = dp * density).
*/
@NonNull
public Builder setScreenDensity(
@FloatRange(from = 0.0, fromInclusive = false, toInclusive = false) float screenDensity) {
mImpl.setScreenDensity(screenDensity);
return this;
}
/** Sets the platform of the device. */
@NonNull
public Builder setDevicePlatform(@DevicePlatform int devicePlatform) {
mImpl.setDevicePlatform(DeviceParametersProto.DevicePlatform.forNumber(devicePlatform));
return this;
}
/** Sets the shape of the device's screen. */
@NonNull
public Builder setScreenShape(@ScreenShape int screenShape) {
mImpl.setScreenShape(DeviceParametersProto.ScreenShape.forNumber(screenShape));
return this;
}
/** Builds an instance from accumulated values. */
@NonNull
public DeviceParameters build() {
return DeviceParameters.fromProto(mImpl.build());
}
}
}
}