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package com.mapswithme.maps.ads;
import android.os.SystemClock;
import android.support.annotation.NonNull;
import com.mapswithme.util.log.Logger;
import com.mapswithme.util.log.LoggerFactory;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.BrokenBarrierException;
public class DefaultAdTracker implements AdTracker, OnAdCacheModifiedListener
{
private final static Logger LOGGER = LoggerFactory.INSTANCE.getLogger(LoggerFactory.Type.MISC);
private final static String TAG = DefaultAdTracker.class.getSimpleName();
private final static int IMPRESSION_TIME_MS = 2500;
private final static Map<BannerKey, TrackInfo> TRACKS = new HashMap<>();
@Override
public void onViewShown(@NonNull String provider, @NonNull String bannerId)
{
BannerKey key = new BannerKey(provider, bannerId);
LOGGER.d(TAG, "onViewShown bannerId = " + key);
TrackInfo info = TRACKS.get(key);
if (info == null)
{
info = new TrackInfo();
TRACKS.put(key, info);
}
info.setVisible(true);
}
@Override
public void onViewHidden(@NonNull String provider, @NonNull String bannerId)
{
BannerKey key = new BannerKey(provider, bannerId);
LOGGER.d(TAG, "onViewHidden bannerId = " + key);
TrackInfo info = TRACKS.get(key);
if (info != null)
info.setVisible(false);
}
@Override
public void onContentObtained(@NonNull String provider, @NonNull String bannerId)
{
BannerKey key = new BannerKey(provider, bannerId);
LOGGER.d(TAG, "onContentObtained bannerId = " + key);
TrackInfo info = TRACKS.get(key);
if (info == null)
throw new AssertionError("A track info must be put in a cache before a content is obtained");
info.fill();
}
@Override
public boolean isImpressionGood(@NonNull String provider, @NonNull String bannerId)
{
BannerKey key = new BannerKey(provider, bannerId);
TrackInfo info = TRACKS.get(key);
return info != null && info.getShowTime() > IMPRESSION_TIME_MS;
}
@Override
public void onRemoved(@NonNull BannerKey key)
{
TRACKS.remove(key);
}
@Override
public void onPut(@NonNull BannerKey key)
{
TrackInfo info = TRACKS.get(key);
if (info == null)
{
TRACKS.put(key, new TrackInfo());
return;
}
if (info.getShowTime() != 0)
info.setLastShow(true);
}
private static class TrackInfo
{
/**
* A timestamp to track ad visibility
*/
private long mTimestamp;
/**
* Accumulates amount of time that ad is already shown.
*/
private long mShowTime;
/**
* Indicates whether the ad view is visible or not.
*/
private boolean mVisible;
/**
* Indicates whether the ad content is obtained or not.
*/
private boolean mFilled;
/**
* Indicates whether it's the last time when an ad was shown or not.
*/
private boolean mLastShow;
void setVisible(boolean visible)
{
boolean wasVisible = mVisible;
mVisible = visible;
// No need tracking if the ad is not filled with a content
if (!mFilled)
return;
// If ad becomes visible, and it's filled with a content the timestamp must be stored.
if (visible && !wasVisible)
{
mTimestamp = SystemClock.elapsedRealtime();
}
// If ad is hidden the show time must be accumulated.
else if (!visible && wasVisible)
{
if (mLastShow)
{
mShowTime = 0;
mTimestamp = 0;
mLastShow = false;
LOGGER.d(TAG, "it's a last time for this ad");
return;
}
if (mTimestamp == 0)
throw new AssertionError("A timestamp mustn't be 0 when ad is hidden!");
mShowTime += SystemClock.elapsedRealtime() - mTimestamp;
LOGGER.d(TAG, "A show time = " + mShowTime);
mTimestamp = 0;
}
}
boolean isVisible()
{
return mVisible;
}
public void fill()
{
// If the visible ad is filled with the content the timestamp must be stored
if (mVisible)
mTimestamp = SystemClock.elapsedRealtime();
mFilled = true;
}
long getShowTime()
{
return mShowTime;
}
void setLastShow(boolean lastShow)
{
mLastShow = lastShow;
}
}
}
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