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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.slice;
import android.annotation.NonNull;
import android.content.Context;
import android.metrics.LogMaker;
import android.net.Uri;
import com.android.internal.logging.MetricsLogger;
import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
/**
* Metrics interface for slices.
*
* This is called by SliceView, so Slice developers should
* not need to reference this class.
*
* @see androidx.slice.widget.SliceView
*/
public class SliceMetrics {
private static final String TAG = "SliceMetrics";
private MetricsLogger mMetricsLogger;
private LogMaker mLogMaker;
/**
* An object to be used throughout the life of a slice to register events.
*/
public SliceMetrics(@NonNull Context context, @NonNull Uri uri) {
mMetricsLogger = new MetricsLogger();
mLogMaker = new LogMaker(MetricsEvent.VIEW_UNKNOWN);
mLogMaker.addTaggedData(MetricsEvent.FIELD_SLICE_AUTHORITY, uri.getAuthority());
mLogMaker.addTaggedData(MetricsEvent.FIELD_SLICE_PATH, uri.getPath());
}
/**
* To be called whenever the slice becomes visible to the user.
*/
public void logVisible() {
synchronized (mLogMaker) {
mLogMaker.setCategory(MetricsEvent.SLICE)
.setType(MetricsEvent.TYPE_OPEN);
mMetricsLogger.write(mLogMaker);
}
}
/**
* To be called whenever the slice becomes invisible to the user.
*/
public void logHidden() {
synchronized (mLogMaker) {
mLogMaker.setCategory(MetricsEvent.SLICE)
.setType(MetricsEvent.TYPE_CLOSE);
mMetricsLogger.write(mLogMaker);
}
}
/**
* To be called whenever the user invokes a discrete action via a slice.
*
* <P>
* Use this for discrete events like a tap or the end of a drag,
* not for a continuous streams of events, such as the motion during a gesture.
* </P>
*
* @see androidx.slice.widget.EventInfo#actionType
*
* @param actionType The type of the event.
* @param subSlice The URI of the sub-slice that is the subject of the interaction.
*/
public void logTouch(int actionType, @NonNull Uri subSlice) {
synchronized (mLogMaker) {
mLogMaker.setCategory(MetricsEvent.SLICE)
.setType(MetricsEvent.TYPE_ACTION)
.addTaggedData(MetricsEvent.FIELD_SUBSLICE_AUTHORITY, subSlice.getAuthority())
.addTaggedData(MetricsEvent.FIELD_SUBSLICE_PATH, subSlice.getPath());
mMetricsLogger.write(mLogMaker);
}
}
}
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