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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.app.prediction;
import android.annotation.IntRange;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.SystemApi;
import android.content.Context;
import android.os.Bundle;
import android.os.Parcel;
import android.os.Parcelable;
/**
* Class that provides contextual information about the environment in which the app prediction is
* used, such as package name, UI in which the app targets are shown, and number of targets.
*
* @hide
*/
@SystemApi
public final class AppPredictionContext implements Parcelable {
private final int mPredictedTargetCount;
@NonNull
private final String mUiSurface;
@NonNull
private final String mPackageName;
@Nullable
private final Bundle mExtras;
private AppPredictionContext(@NonNull String uiSurface, int numPredictedTargets,
@NonNull String packageName, @Nullable Bundle extras) {
mUiSurface = uiSurface;
mPredictedTargetCount = numPredictedTargets;
mPackageName = packageName;
mExtras = extras;
}
private AppPredictionContext(@NonNull Parcel parcel) {
mUiSurface = parcel.readString();
mPredictedTargetCount = parcel.readInt();
mPackageName = parcel.readString();
mExtras = parcel.readBundle();
}
/**
* Returns the UI surface of the prediction context.
*/
@NonNull
public String getUiSurface() {
return mUiSurface;
}
/**
* Returns the predicted target count
*/
public @IntRange(from = 0) int getPredictedTargetCount() {
return mPredictedTargetCount;
}
/**
* Returns the package name of the prediction context.
*/
@NonNull
public String getPackageName() {
return mPackageName;
}
/**
* Returns the extras of the prediction context.
*/
@Nullable
public Bundle getExtras() {
return mExtras;
}
@Override
public boolean equals(@Nullable Object o) {
if (o == this) return true;
if (!getClass().equals(o != null ? o.getClass() : null)) return false;
AppPredictionContext other = (AppPredictionContext) o;
return mPredictedTargetCount == other.mPredictedTargetCount
&& mUiSurface.equals(other.mUiSurface)
&& mPackageName.equals(other.mPackageName);
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(@NonNull Parcel dest, int flags) {
dest.writeString(mUiSurface);
dest.writeInt(mPredictedTargetCount);
dest.writeString(mPackageName);
dest.writeBundle(mExtras);
}
public static final @android.annotation.NonNull Parcelable.Creator<AppPredictionContext> CREATOR =
new Parcelable.Creator<AppPredictionContext>() {
public AppPredictionContext createFromParcel(Parcel parcel) {
return new AppPredictionContext(parcel);
}
public AppPredictionContext[] newArray(int size) {
return new AppPredictionContext[size];
}
};
/**
* A builder for app prediction contexts.
* @hide
*/
@SystemApi
public static final class Builder {
@NonNull
private final String mPackageName;
private int mPredictedTargetCount;
@Nullable
private String mUiSurface;
@Nullable
private Bundle mExtras;
/**
* @param context The {@link Context} of the prediction client.
*
* @hide
*/
@SystemApi
public Builder(@NonNull Context context) {
mPackageName = context.getPackageName();
}
/**
* Sets the number of prediction targets as a hint.
*/
@NonNull
public Builder setPredictedTargetCount(@IntRange(from = 0) int predictedTargetCount) {
mPredictedTargetCount = predictedTargetCount;
return this;
}
/**
* Sets the UI surface.
*/
@NonNull
public Builder setUiSurface(@NonNull String uiSurface) {
mUiSurface = uiSurface;
return this;
}
/**
* Sets the extras.
*/
@NonNull
public Builder setExtras(@Nullable Bundle extras) {
mExtras = extras;
return this;
}
/**
* Builds a new context instance.
*/
@NonNull
public AppPredictionContext build() {
return new AppPredictionContext(mUiSurface, mPredictedTargetCount, mPackageName,
mExtras);
}
}
}
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