| /** |
| * 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.usage; |
| |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| |
| /** |
| * Contains usage statistics for an event type for a specific |
| * time range. |
| */ |
| public final class EventStats implements Parcelable { |
| |
| /** |
| * {@hide} |
| */ |
| public int mEventType; |
| |
| /** |
| * {@hide} |
| */ |
| public long mBeginTimeStamp; |
| |
| /** |
| * {@hide} |
| */ |
| public long mEndTimeStamp; |
| |
| /** |
| * Last time used by the user with an explicit action (notification, activity launch). |
| * {@hide} |
| */ |
| public long mLastTimeUsed; |
| |
| /** |
| * {@hide} |
| */ |
| public long mTotalTime; |
| |
| /** |
| * {@hide} |
| */ |
| public int mCount; |
| |
| /** |
| * {@hide} |
| */ |
| public EventStats() { |
| } |
| |
| public EventStats(EventStats stats) { |
| mEventType = stats.mEventType; |
| mBeginTimeStamp = stats.mBeginTimeStamp; |
| mEndTimeStamp = stats.mEndTimeStamp; |
| mLastTimeUsed = stats.mLastTimeUsed; |
| mTotalTime = stats.mTotalTime; |
| mCount = stats.mCount; |
| } |
| |
| /** |
| * Return the type of event this is usage for. May be one of the event |
| * constants in {@link UsageEvents.Event}. |
| */ |
| public int getEventType() { |
| return mEventType; |
| } |
| |
| /** |
| * Get the beginning of the time range this {@link android.app.usage.EventStats} represents, |
| * measured in milliseconds since the epoch. |
| * <p/> |
| * See {@link System#currentTimeMillis()}. |
| */ |
| public long getFirstTimeStamp() { |
| return mBeginTimeStamp; |
| } |
| |
| /** |
| * Get the end of the time range this {@link android.app.usage.EventStats} represents, |
| * measured in milliseconds since the epoch. |
| * <p/> |
| * See {@link System#currentTimeMillis()}. |
| */ |
| public long getLastTimeStamp() { |
| return mEndTimeStamp; |
| } |
| |
| /** |
| * Get the last time this event was used, measured in milliseconds since the epoch. |
| * <p/> |
| * See {@link System#currentTimeMillis()}. |
| */ |
| public long getLastTimeUsed() { |
| return mLastTimeUsed; |
| } |
| |
| /** |
| * Return the number of times that this event occurred over the interval. |
| */ |
| public int getCount() { |
| return mCount; |
| } |
| |
| /** |
| * Get the total time this event was active, measured in milliseconds. |
| */ |
| public long getTotalTime() { |
| return mTotalTime; |
| } |
| |
| /** |
| * Add the statistics from the right {@link EventStats} to the left. The event type for |
| * both {@link UsageStats} objects must be the same. |
| * @param right The {@link EventStats} object to merge into this one. |
| * @throws java.lang.IllegalArgumentException if the event types of the two |
| * {@link UsageStats} objects are different. |
| */ |
| public void add(EventStats right) { |
| if (mEventType != right.mEventType) { |
| throw new IllegalArgumentException("Can't merge EventStats for event #" |
| + mEventType + " with EventStats for event #" + right.mEventType); |
| } |
| |
| // We use the mBeginTimeStamp due to a bug where UsageStats files can overlap with |
| // regards to their mEndTimeStamp. |
| if (right.mBeginTimeStamp > mBeginTimeStamp) { |
| mLastTimeUsed = Math.max(mLastTimeUsed, right.mLastTimeUsed); |
| } |
| mBeginTimeStamp = Math.min(mBeginTimeStamp, right.mBeginTimeStamp); |
| mEndTimeStamp = Math.max(mEndTimeStamp, right.mEndTimeStamp); |
| mTotalTime += right.mTotalTime; |
| mCount += right.mCount; |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(mEventType); |
| dest.writeLong(mBeginTimeStamp); |
| dest.writeLong(mEndTimeStamp); |
| dest.writeLong(mLastTimeUsed); |
| dest.writeLong(mTotalTime); |
| dest.writeInt(mCount); |
| } |
| |
| public static final Creator<EventStats> CREATOR = new Creator<EventStats>() { |
| @Override |
| public EventStats createFromParcel(Parcel in) { |
| EventStats stats = new EventStats(); |
| stats.mEventType = in.readInt(); |
| stats.mBeginTimeStamp = in.readLong(); |
| stats.mEndTimeStamp = in.readLong(); |
| stats.mLastTimeUsed = in.readLong(); |
| stats.mTotalTime = in.readLong(); |
| stats.mCount = in.readInt(); |
| return stats; |
| } |
| |
| @Override |
| public EventStats[] newArray(int size) { |
| return new EventStats[size]; |
| } |
| }; |
| } |