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/*
* Copyright (C) 2018 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.telephony.ims.stub;
import android.annotation.SystemApi;
import android.os.Parcel;
import android.os.Parcelable;
import android.telephony.ims.feature.ImsFeature;
import android.util.ArraySet;
import android.util.Pair;
import java.util.Set;
/**
* Container class for IMS Feature configuration. This class contains the features that the
* ImsService supports, which are defined in {@link ImsFeature} as
* {@link ImsFeature#FEATURE_EMERGENCY_MMTEL}, {@link ImsFeature#FEATURE_MMTEL}, and
* {@link ImsFeature#FEATURE_RCS}.
*
* @hide
*/
@SystemApi
public final class ImsFeatureConfiguration implements Parcelable {
public static final class FeatureSlotPair {
/**
* SIM slot that this feature is associated with.
*/
public final int slotId;
/**
* The feature that this slotId supports. Supported values are
* {@link ImsFeature#FEATURE_EMERGENCY_MMTEL}, {@link ImsFeature#FEATURE_MMTEL}, and
* {@link ImsFeature#FEATURE_RCS}.
*/
public final @ImsFeature.FeatureType int featureType;
/**
* A mapping from slotId to IMS Feature type.
* @param slotId the SIM slot ID associated with this feature.
* @param featureType The feature that this slotId supports. Supported values are
* {@link ImsFeature#FEATURE_EMERGENCY_MMTEL}, {@link ImsFeature#FEATURE_MMTEL}, and
* {@link ImsFeature#FEATURE_RCS}.
*/
public FeatureSlotPair(int slotId, @ImsFeature.FeatureType int featureType) {
this.slotId = slotId;
this.featureType = featureType;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
FeatureSlotPair that = (FeatureSlotPair) o;
if (slotId != that.slotId) return false;
return featureType == that.featureType;
}
@Override
public int hashCode() {
int result = slotId;
result = 31 * result + featureType;
return result;
}
@Override
public String toString() {
return "{s=" + slotId + ", f=" + featureType + "}";
}
}
/**
* Features that this ImsService supports.
*/
private final Set<FeatureSlotPair> mFeatures;
/**
* Builder for {@link ImsFeatureConfiguration}.
*/
public static class Builder {
ImsFeatureConfiguration mConfig;
public Builder() {
mConfig = new ImsFeatureConfiguration();
}
/**
* Adds an IMS feature associated with a SIM slot ID.
* @param slotId The slot ID associated with the IMS feature.
* @param featureType The feature that the slot ID supports. Supported values are
* {@link ImsFeature#FEATURE_EMERGENCY_MMTEL}, {@link ImsFeature#FEATURE_MMTEL}, and
* {@link ImsFeature#FEATURE_RCS}.
* @return a {@link Builder} to continue constructing the ImsFeatureConfiguration.
*/
public Builder addFeature(int slotId, @ImsFeature.FeatureType int featureType) {
mConfig.addFeature(slotId, featureType);
return this;
}
public ImsFeatureConfiguration build() {
return mConfig;
}
}
/**
* Creates with all registration features empty.
* @hide
*/
public ImsFeatureConfiguration() {
mFeatures = new ArraySet<>();
}
/**
* Configuration of the ImsService, which describes which features the ImsService supports
* (for registration).
* @param features a set of {@link FeatureSlotPair}s that describe which features this
* ImsService supports.
* @hide
*/
public ImsFeatureConfiguration(Set<FeatureSlotPair> features) {
mFeatures = new ArraySet<>();
if (features != null) {
mFeatures.addAll(features);
}
}
/**
* @return a set of supported slot ID to feature type pairs contained within a
* {@link FeatureSlotPair}.
*/
public Set<FeatureSlotPair> getServiceFeatures() {
return new ArraySet<>(mFeatures);
}
/**
* @hide
*/
void addFeature(int slotId, int feature) {
mFeatures.add(new FeatureSlotPair(slotId, feature));
}
/** @hide */
protected ImsFeatureConfiguration(Parcel in) {
int featurePairLength = in.readInt();
// length
mFeatures = new ArraySet<>(featurePairLength);
for (int i = 0; i < featurePairLength; i++) {
// pair of reads for each entry (slotId->featureType)
mFeatures.add(new FeatureSlotPair(in.readInt(), in.readInt()));
}
}
public static final Creator<ImsFeatureConfiguration> CREATOR
= new Creator<ImsFeatureConfiguration>() {
@Override
public ImsFeatureConfiguration createFromParcel(Parcel in) {
return new ImsFeatureConfiguration(in);
}
@Override
public ImsFeatureConfiguration[] newArray(int size) {
return new ImsFeatureConfiguration[size];
}
};
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
FeatureSlotPair[] featureSlotPairs = new FeatureSlotPair[mFeatures.size()];
mFeatures.toArray(featureSlotPairs);
// length of list
dest.writeInt(featureSlotPairs.length);
// then pairs of integers for each entry (slotId->featureType).
for (FeatureSlotPair featureSlotPair : featureSlotPairs) {
dest.writeInt(featureSlotPair.slotId);
dest.writeInt(featureSlotPair.featureType);
}
}
/**
* @hide
*/
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof ImsFeatureConfiguration)) return false;
ImsFeatureConfiguration
that = (ImsFeatureConfiguration) o;
return mFeatures.equals(that.mFeatures);
}
/**
* @hide
*/
@Override
public int hashCode() {
return mFeatures.hashCode();
}
}
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