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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.os;
import android.annotation.IntDef;
import android.annotation.NonNull;
import android.hardware.thermal.V2_0.CoolingType;
import com.android.internal.util.Preconditions;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
/**
* Cooling device values used by IThermalService.
*
* @hide
*/
public final class CoolingDevice implements Parcelable {
/**
* Current throttle state of the cooling device. The value can any unsigned integer
* numbers between 0 and max_state defined in its driver, usually representing the
* associated device's power state. 0 means device is not in throttling, higher value
* means deeper throttling.
*/
private final long mValue;
/** A cooling device type from ThermalHAL */
private final int mType;
/** Name of this cooling device */
private final String mName;
@IntDef(prefix = { "TYPE_" }, value = {
TYPE_FAN,
TYPE_BATTERY,
TYPE_CPU,
TYPE_GPU,
TYPE_MODEM,
TYPE_NPU,
TYPE_COMPONENT,
})
@Retention(RetentionPolicy.SOURCE)
public @interface Type {}
/** Keep in sync with hardware/interfaces/thermal/2.0/types.hal */
/** Fan for active cooling */
public static final int TYPE_FAN = CoolingType.FAN;
/** Battery charging cooling deivice */
public static final int TYPE_BATTERY = CoolingType.BATTERY;
/** CPU cooling deivice */
public static final int TYPE_CPU = CoolingType.CPU;
/** GPU cooling deivice */
public static final int TYPE_GPU = CoolingType.GPU;
/** Modem cooling deivice */
public static final int TYPE_MODEM = CoolingType.MODEM;
/** NPU/TPU cooling deivice */
public static final int TYPE_NPU = CoolingType.NPU;
/** Generic passive cooling deivice */
public static final int TYPE_COMPONENT = CoolingType.COMPONENT;
/**
* Verify a valid cooling device type.
*
* @return true if a cooling device type is valid otherwise false.
*/
public static boolean isValidType(@Type int type) {
return type >= TYPE_FAN && type <= TYPE_COMPONENT;
}
public CoolingDevice(long value, @Type int type, @NonNull String name) {
Preconditions.checkArgument(isValidType(type), "Invalid Type");
mValue = value;
mType = type;
mName = Preconditions.checkStringNotEmpty(name);
}
/**
* Return the cooling device value.
*
* @return a cooling device value in int.
*/
public long getValue() {
return mValue;
}
/**
* Return the cooling device type.
*
* @return a cooling device type: TYPE_*
*/
public @Type int getType() {
return mType;
}
/**
* Return the cooling device name.
*
* @return a cooling device name as String.
*/
public String getName() {
return mName;
}
@Override
public String toString() {
return "CoolingDevice{mValue=" + mValue + ", mType=" + mType + ", mName=" + mName + "}";
}
@Override
public int hashCode() {
int hash = mName.hashCode();
hash = 31 * hash + Long.hashCode(mValue);
hash = 31 * hash + mType;
return hash;
}
@Override
public boolean equals(Object o) {
if (!(o instanceof CoolingDevice)) {
return false;
}
CoolingDevice other = (CoolingDevice) o;
return other.mValue == mValue && other.mType == mType && other.mName.equals(mName);
}
@Override
public void writeToParcel(Parcel p, int flags) {
p.writeLong(mValue);
p.writeInt(mType);
p.writeString(mName);
}
public static final @android.annotation.NonNull Parcelable.Creator<CoolingDevice> CREATOR =
new Parcelable.Creator<CoolingDevice>() {
@Override
public CoolingDevice createFromParcel(Parcel p) {
long value = p.readLong();
int type = p.readInt();
String name = p.readString();
return new CoolingDevice(value, type, name);
}
@Override
public CoolingDevice[] newArray(int size) {
return new CoolingDevice[size];
}
};
@Override
public int describeContents() {
return 0;
}
}
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