Java Code Examples for org.chromium.base.metrics.RecordHistogram#recordCountHistogram()

/**
 * Records the tab restore result into several UMA histograms.
 * @param succeeded Whether or not the tab restore succeeded.
 * @param time The time taken to perform the tab restore.
 * @param perceivedTime The perceived time taken to perform the tab restore.
 * @param errorCode The error code, on failure (as denoted by the |succeeded| parameter).
 */
private void recordTabRestoreResult(boolean succeeded, long time, long perceivedTime,
        int errorCode) {
    if (succeeded) {
        RecordHistogram.recordEnumeratedHistogram(
                "Tab.RestoreResult", TAB_RESTORE_RESULT_SUCCESS, TAB_RESTORE_RESULT_COUNT);
        RecordHistogram.recordCountHistogram("Tab.RestoreTime", (int) time);
        RecordHistogram.recordCountHistogram("Tab.PerceivedRestoreTime", (int) perceivedTime);
    } else {
        switch (errorCode) {
            case NetError.ERR_INTERNET_DISCONNECTED:
            case NetError.ERR_NAME_RESOLUTION_FAILED:
            case NetError.ERR_DNS_TIMED_OUT:
                RecordHistogram.recordEnumeratedHistogram("Tab.RestoreResult",
                        TAB_RESTORE_RESULT_FAILURE_NETWORK_CONNECTIVITY,
                        TAB_RESTORE_RESULT_COUNT);
                break;
            default:
                RecordHistogram.recordEnumeratedHistogram("Tab.RestoreResult",
                        TAB_RESTORE_RESULT_FAILURE_OTHER, TAB_RESTORE_RESULT_COUNT);
        }
    }
}
 

/**
 * Records the tab restore result into several UMA histograms.
 * @param succeeded Whether or not the tab restore succeeded.
 * @param time The time taken to perform the tab restore.
 * @param perceivedTime The perceived time taken to perform the tab restore.
 * @param errorCode The error code, on failure (as denoted by the |succeeded| parameter).
 */
private void recordTabRestoreResult(boolean succeeded, long time, long perceivedTime,
        int errorCode) {
    if (succeeded) {
        RecordHistogram.recordEnumeratedHistogram(
                "Tab.RestoreResult", TAB_RESTORE_RESULT_SUCCESS, TAB_RESTORE_RESULT_COUNT);
        RecordHistogram.recordCountHistogram("Tab.RestoreTime", (int) time);
        RecordHistogram.recordCountHistogram("Tab.PerceivedRestoreTime", (int) perceivedTime);
    } else {
        switch (errorCode) {
            case NetError.ERR_INTERNET_DISCONNECTED:
            case NetError.ERR_NAME_RESOLUTION_FAILED:
            case NetError.ERR_DNS_TIMED_OUT:
                RecordHistogram.recordEnumeratedHistogram("Tab.RestoreResult",
                        TAB_RESTORE_RESULT_FAILURE_NETWORK_CONNECTIVITY,
                        TAB_RESTORE_RESULT_COUNT);
                break;
            default:
                RecordHistogram.recordEnumeratedHistogram("Tab.RestoreResult",
                        TAB_RESTORE_RESULT_FAILURE_OTHER, TAB_RESTORE_RESULT_COUNT);
        }
    }
}
 

private void saveListToFile(byte[] listData) {
    if (Arrays.equals(mLastSavedMetadata, listData)) return;

    saveListToFile(getStateDirectory(), mSelectorIndex, listData);
    mLastSavedMetadata = listData;
    if (LibraryLoader.isInitialized()) {
        RecordHistogram.recordCountHistogram(
                "Android.TabPersistentStore.MetadataFileSize", listData.length);
    }
}
 

/**
 * Logs the given number of promo taps remaining.  Should be called only for users that
 * are still undecided.
 * @param promoTapsRemaining The number of taps remaining (should not be negative).
 */
public static void logPromoTapsRemaining(int promoTapsRemaining) {
    if (promoTapsRemaining >= 0) {
        RecordHistogram.recordCountHistogram("Search.ContextualSearchPromoTapsRemaining",
                promoTapsRemaining);
    }
}
 

/**
 * Logs the number of times the Peek Promo was seen.
 * @param count Number of times the Peek Promo was seen.
 * @param hasOpenedPanel Whether the Panel was opened.
 */
public static void logPeekPromoShowCount(int count, boolean hasOpenedPanel) {
    RecordHistogram.recordCountHistogram("Search.ContextualSearchPeekPromoCount", count);
    if (hasOpenedPanel) {
        RecordHistogram.recordCountHistogram(
                "Search.ContextualSearchPeekPromoCountUntilOpened", count);
    }
}
 

/**
 * Logs the number of times the Peek Promo was seen.
 * @param count Number of times the Peek Promo was seen.
 * @param hasOpenedPanel Whether the Panel was opened.
 */
public static void logPeekPromoShowCount(int count, boolean hasOpenedPanel) {
    RecordHistogram.recordCountHistogram("Search.ContextualSearchPeekPromoCount", count);
    if (hasOpenedPanel) {
        RecordHistogram.recordCountHistogram(
                "Search.ContextualSearchPeekPromoCountUntilOpened", count);
    }
}
 

/**
 * Logs the number of impressions and CTR for the previous week for the current user.
 * @param previousWeekImpressions The number of times the user saw the Contextual Search Bar.
 * @param previousWeekCtr The CTR expressed as a percentage.
 */
public static void logPreviousWeekCtr(int previousWeekImpressions, int previousWeekCtr) {
    RecordHistogram.recordCountHistogram(
            "Search.ContextualSearchPreviousWeekImpressions", previousWeekImpressions);
    RecordHistogram.recordPercentageHistogram(
            "Search.ContextualSearchPreviousWeekCtr", previousWeekCtr);
}
 

private void uploadCounts(final String key) {
    String jsonCountsStr = mPrefs.getString(key, "[]");
    removePref(key);
    Integer[] counts = parseJsonIntegerArray(jsonCountsStr);
    if (counts == null) {
        Log.e(TAG, "Error reporting " + key + " with values: " + jsonCountsStr);
        return;
    }
    for (Integer count: counts) {
        RecordHistogram.recordCountHistogram(key, count);
    }
}
 

/**
 * Logs the given number of promo taps remaining.  Should be called only for users that
 * are still undecided.
 * @param promoTapsRemaining The number of taps remaining (should not be negative).
 */
public static void logPromoTapsRemaining(int promoTapsRemaining) {
    if (promoTapsRemaining >= 0) {
        RecordHistogram.recordCountHistogram("Search.ContextualSearchPromoTapsRemaining",
                promoTapsRemaining);
    }
}
 

private void recordDownloadCountHistograms(int[] itemCounts) {
    RecordHistogram.recordCountHistogram("Android.DownloadManager.InitialCount.Audio",
            itemCounts[DownloadFilter.FILTER_AUDIO]);
    RecordHistogram.recordCountHistogram("Android.DownloadManager.InitialCount.Document",
            itemCounts[DownloadFilter.FILTER_DOCUMENT]);
    RecordHistogram.recordCountHistogram("Android.DownloadManager.InitialCount.Image",
            itemCounts[DownloadFilter.FILTER_IMAGE]);
    RecordHistogram.recordCountHistogram("Android.DownloadManager.InitialCount.Other",
            itemCounts[DownloadFilter.FILTER_OTHER]);
    RecordHistogram.recordCountHistogram("Android.DownloadManager.InitialCount.Video",
            itemCounts[DownloadFilter.FILTER_VIDEO]);
}
 

private void uploadCounts(final String key) {
    String jsonCountsStr = mPrefs.getString(key, "[]");
    removePref(key);
    Integer[] counts = parseJsonIntegerArray(jsonCountsStr);
    if (counts == null) {
        Log.e(TAG, "Error reporting " + key + " with values: " + jsonCountsStr);
        return;
    }
    for (Integer count: counts) {
        RecordHistogram.recordCountHistogram(key, count);
    }
}
 

private void saveListToFile(byte[] listData) {
    if (Arrays.equals(mLastSavedMetadata, listData)) return;

    saveListToFile(getStateDirectory(), mPersistencePolicy.getStateFileName(), listData);
    mLastSavedMetadata = listData;
    if (LibraryLoader.isInitialized()) {
        RecordHistogram.recordCountHistogram(
                "Android.TabPersistentStore.MetadataFileSize", listData.length);
    }
}
 

/**
 * Logs the number of times the Peek Promo was seen.
 * @param count Number of times the Peek Promo was seen.
 * @param hasOpenedPanel Whether the Panel was opened.
 */
public static void logPeekPromoShowCount(int count, boolean hasOpenedPanel) {
    RecordHistogram.recordCountHistogram("Search.ContextualSearchPeekPromoCount", count);
    if (hasOpenedPanel) {
        RecordHistogram.recordCountHistogram(
                "Search.ContextualSearchPeekPromoCountUntilOpened", count);
    }
}
 

/**
 * Logs the number of impressions and CTR for previous 28-day period for the current user.
 * @param previous28DayImpressions The number of times the user saw the Contextual Search Bar.
 * @param previous28DayCtr The CTR expressed as a percentage.
 */
public static void logPrevious28DayCtr(int previous28DayImpressions, int previous28DayCtr) {
    RecordHistogram.recordCountHistogram(
            "Search.ContextualSearchPrevious28DayImpressions", previous28DayImpressions);
    RecordHistogram.recordPercentageHistogram(
            "Search.ContextualSearchPrevious28DayCtr", previous28DayCtr);
}
 

private void recordTotalDownloadCountHistogram() {
    // The total count intentionally leaves out incognito downloads. This should be revisited
    // if/when incognito downloads are persistently available in downloads home.
    RecordHistogram.recordCountHistogram("Android.DownloadManager.InitialCount.Total",
            mRegularDownloadItems.size() + mOfflinePageItems.size());
}
 

/**
 * Helper method to record the metrics when a download completes.
 * @param useDownloadManager Whether the download goes through Android DownloadManager.
 * @param status Download completion status.
 * @param totalDuration Total time in milliseconds to download the file.
 * @param bytesDownloaded Total bytes downloaded.
 * @param numInterruptions Number of interruptions during the download.
 */
private void recordDownloadCompletionStats(boolean useDownloadManager, int status,
        long totalDuration, long bytesDownloaded, int numInterruptions) {
    switch (status) {
        case DOWNLOAD_STATUS_COMPLETE:
            if (useDownloadManager) {
                RecordHistogram.recordLongTimesHistogram(
                        "MobileDownload.DownloadTime.DownloadManager.Success",
                        totalDuration, TimeUnit.MILLISECONDS);
                RecordHistogram.recordCount1000Histogram(
                        "MobileDownload.BytesDownloaded.DownloadManager.Success",
                        (int) (bytesDownloaded / 1024));
            } else {
                RecordHistogram.recordLongTimesHistogram(
                        "MobileDownload.DownloadTime.ChromeNetworkStack.Success",
                        totalDuration, TimeUnit.MILLISECONDS);
                RecordHistogram.recordCount1000Histogram(
                        "MobileDownload.BytesDownloaded.ChromeNetworkStack.Success",
                        (int) (bytesDownloaded / 1024));
                RecordHistogram.recordCountHistogram(
                        "MobileDownload.InterruptionsCount.ChromeNetworkStack.Success",
                        numInterruptions);
            }
            break;
        case DOWNLOAD_STATUS_FAILED:
            if (useDownloadManager) {
                RecordHistogram.recordLongTimesHistogram(
                        "MobileDownload.DownloadTime.DownloadManager.Failure",
                        totalDuration, TimeUnit.MILLISECONDS);
                RecordHistogram.recordCount1000Histogram(
                        "MobileDownload.BytesDownloaded.DownloadManager.Failure",
                        (int) (bytesDownloaded / 1024));
            } else {
                RecordHistogram.recordLongTimesHistogram(
                        "MobileDownload.DownloadTime.ChromeNetworkStack.Failure",
                        totalDuration, TimeUnit.MILLISECONDS);
                RecordHistogram.recordCount1000Histogram(
                        "MobileDownload.BytesDownloaded.ChromeNetworkStack.Failure",
                        (int) (bytesDownloaded / 1024));
                RecordHistogram.recordCountHistogram(
                        "MobileDownload.InterruptionsCount.ChromeNetworkStack.Failure",
                        numInterruptions);
            }
            break;
        case DOWNLOAD_STATUS_CANCELLED:
            if (!useDownloadManager) {
                RecordHistogram.recordLongTimesHistogram(
                        "MobileDownload.DownloadTime.ChromeNetworkStack.Cancel",
                        totalDuration, TimeUnit.MILLISECONDS);
                RecordHistogram.recordCountHistogram(
                        "MobileDownload.InterruptionsCount.ChromeNetworkStack.Cancel",
                        numInterruptions);
            }
            break;
        default:
            break;
    }
}
 

/**
 * Logs the historic number of times that a Tap gesture triggered the peeking promo
 * for users that have never opened the panel.  This should be called periodically for
 * undecided users only.
 * @param promoTaps The historic number of taps that have caused the peeking bar for the promo,
 *        for users that have never opened the panel.
 */
public static void logPromoTapsForNeverOpened(int promoTaps) {
    RecordHistogram.recordCountHistogram("Search.ContextualSearchPromoTapsForNeverOpened",
            promoTaps);
}
 

/**
 * Logs the number of taps that have been counted since the user last opened the panel, for
 * decided users.
 * @param tapsSinceOpen The number of taps to log.
 */
public static void logTapsSinceOpenForDecided(int tapsSinceOpen) {
    RecordHistogram.recordCountHistogram("Search.ContextualSearchTapsSinceOpenDecided",
            tapsSinceOpen);
}
 

/**
 * Records the total count of times the promo panel has *ever* been opened.  This should only
 * be called when the user is still undecided.
 * @param count The total historic count of times the panel has ever been opened for the
 *        current user.
 */
public static void logPromoOpenCount(int count) {
    RecordHistogram.recordCountHistogram("Search.ContextualSearchPromoOpenCount", count);
}
 

/**
 * Logs the number of taps that have been counted since the user last opened the panel, for
 * undecided users.
 * @param tapsSinceOpen The number of taps to log.
 */
public static void logTapsSinceOpenForUndecided(int tapsSinceOpen) {
    RecordHistogram.recordCountHistogram("Search.ContextualSearchTapsSinceOpenUndecided",
            tapsSinceOpen);
}