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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.view.contentcapture;
import android.annotation.IntDef;
import android.annotation.NonNull;
import android.content.LocusId;
import android.os.Parcel;
import android.os.Parcelable;
import android.util.DebugUtils;
import com.android.internal.util.Preconditions;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
/**
* Defines a condition for when content capture should be allowed.
*
* <p>See {@link ContentCaptureManager#getContentCaptureConditions()} for more.
*/
public final class ContentCaptureCondition implements Parcelable {
/**
* When set, package should use the {@link LocusId#getId()} as a regular expression (using the
* {@link java.util.regex.Pattern} format).
*/
public static final int FLAG_IS_REGEX = 0x2;
/** @hide */
@IntDef(prefix = { "FLAG" }, flag = true, value = {
FLAG_IS_REGEX
})
@Retention(RetentionPolicy.SOURCE)
@interface Flags {}
private final @NonNull LocusId mLocusId;
private final @Flags int mFlags;
/**
* Default constructor.
*
* @param locusId id of the condition, as defined by
* {@link ContentCaptureContext#getLocusId()}.
* @param flags either {@link ContentCaptureCondition#FLAG_IS_REGEX} (to use a regular
* expression match) or {@code 0} (in which case the {@code LocusId} must be an exact match of
* the {@code LocusId} used in the {@link ContentCaptureContext}).
*/
public ContentCaptureCondition(@NonNull LocusId locusId, @Flags int flags) {
this.mLocusId = Preconditions.checkNotNull(locusId);
this.mFlags = flags;
}
/**
* Gets the {@code LocusId} per se.
*/
@NonNull
public LocusId getLocusId() {
return mLocusId;
}
/**
* Gets the flags associates with this condition.
*
* @return either {@link ContentCaptureCondition#FLAG_IS_REGEX} or {@code 0}.
*/
public @Flags int getFlags() {
return mFlags;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + mFlags;
result = prime * result + ((mLocusId == null) ? 0 : mLocusId.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (getClass() != obj.getClass()) return false;
final ContentCaptureCondition other = (ContentCaptureCondition) obj;
if (mFlags != other.mFlags) return false;
if (mLocusId == null) {
if (other.mLocusId != null) return false;
} else {
if (!mLocusId.equals(other.mLocusId)) return false;
}
return true;
}
@Override
public String toString() {
final StringBuilder string = new StringBuilder(mLocusId.toString()); // LocusID is PII safe
if (mFlags != 0) {
string
.append(" (")
.append(DebugUtils.flagsToString(ContentCaptureCondition.class, "FLAG_", mFlags))
.append(')');
}
return string.toString();
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(@NonNull Parcel parcel, int flags) {
parcel.writeParcelable(mLocusId, flags);
parcel.writeInt(mFlags);
}
public static final @NonNull Parcelable.Creator<ContentCaptureCondition> CREATOR =
new Parcelable.Creator<ContentCaptureCondition>() {
@Override
public ContentCaptureCondition createFromParcel(@NonNull Parcel parcel) {
return new ContentCaptureCondition(parcel.readParcelable(null),
parcel.readInt());
}
@Override
public ContentCaptureCondition[] newArray(int size) {
return new ContentCaptureCondition[size];
}
};
}
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