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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.service.contentcapture;
import android.annotation.IntDef;
import android.annotation.NonNull;
import android.annotation.SystemApi;
import android.app.usage.UsageEvents.Event;
import android.content.ComponentName;
import android.os.Parcel;
import android.os.Parcelable;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
/**
* Represents an activity-level event that is not associated with a session.
*
* @hide
*/
@SystemApi
public final class ActivityEvent implements Parcelable {
/**
* The activity resumed.
*/
public static final int TYPE_ACTIVITY_RESUMED = Event.ACTIVITY_RESUMED;
/**
* The activity paused.
*/
public static final int TYPE_ACTIVITY_PAUSED = Event.ACTIVITY_PAUSED;
/**
* The activity stopped.
*/
public static final int TYPE_ACTIVITY_STOPPED = Event.ACTIVITY_STOPPED;
/**
* The activity was destroyed.
*/
public static final int TYPE_ACTIVITY_DESTROYED = Event.ACTIVITY_DESTROYED;
/**
* TODO: change to public field.
* The activity was started.
*
* <p>There are some reason, ACTIVITY_START cannot be added into UsageStats. We don't depend on
* UsageEvents for Activity start.
* </p>
*
* @hide
*/
public static final int TYPE_ACTIVITY_STARTED = 10000;
/** @hide */
@IntDef(prefix = { "TYPE_" }, value = {
TYPE_ACTIVITY_RESUMED,
TYPE_ACTIVITY_PAUSED,
TYPE_ACTIVITY_STOPPED,
TYPE_ACTIVITY_DESTROYED,
TYPE_ACTIVITY_STARTED
})
@Retention(RetentionPolicy.SOURCE)
public @interface ActivityEventType{}
private final @NonNull ComponentName mComponentName;
private final @ActivityEventType int mType;
/** @hide */
public ActivityEvent(@NonNull ComponentName componentName, @ActivityEventType int type) {
mComponentName = componentName;
mType = type;
}
/**
* Gests the {@link ComponentName} of the activity associated with the event.
*/
@NonNull
public ComponentName getComponentName() {
return mComponentName;
}
/**
* Gets the event type.
*
* @return either {@link #TYPE_ACTIVITY_RESUMED}, {@value #TYPE_ACTIVITY_PAUSED},
* {@value #TYPE_ACTIVITY_STOPPED}, {@value #TYPE_ACTIVITY_DESTROYED} or 10000 if the Activity
* was started.
*/
@ActivityEventType
public int getEventType() {
return mType;
}
/** @hide */
public static String getTypeAsString(@ActivityEventType int type) {
switch (type) {
case TYPE_ACTIVITY_RESUMED:
return "ACTIVITY_RESUMED";
case TYPE_ACTIVITY_PAUSED:
return "ACTIVITY_PAUSED";
case TYPE_ACTIVITY_STOPPED:
return "ACTIVITY_STOPPED";
case TYPE_ACTIVITY_DESTROYED:
return "ACTIVITY_DESTROYED";
case TYPE_ACTIVITY_STARTED:
return "ACTIVITY_STARTED";
default:
return "UKNOWN_TYPE: " + type;
}
}
@NonNull
@Override
public String toString() {
return new StringBuilder("ActivityEvent[").append(mComponentName.toShortString())
.append("]:").append(getTypeAsString(mType)).toString();
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(@NonNull Parcel parcel, int flags) {
parcel.writeParcelable(mComponentName, flags);
parcel.writeInt(mType);
}
public static final @android.annotation.NonNull Creator<ActivityEvent> CREATOR =
new Creator<ActivityEvent>() {
@Override
@NonNull
public ActivityEvent createFromParcel(@NonNull Parcel parcel) {
final ComponentName componentName = parcel.readParcelable(null, android.content.ComponentName.class);
final int eventType = parcel.readInt();
return new ActivityEvent(componentName, eventType);
}
@Override
@NonNull
public ActivityEvent[] newArray(int size) {
return new ActivityEvent[size];
}
};
}
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