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

/**
 * This is the callback for the important domain dialog. We should only clear if we get the
 * positive button response.
 */
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
    if (requestCode == IMPORTANT_SITES_DIALOG_CODE && resultCode == Activity.RESULT_OK) {
        // Deselected means that the user is excluding the domain from being cleared.
        String[] deselectedDomains = data.getStringArrayExtra(
                ConfirmImportantSitesDialogFragment.DESELECTED_DOMAINS_TAG);
        if (deselectedDomains != null && mSortedImportantDomains != null) {
            // mMaxImportantSites is a constant on the C++ side.
            RecordHistogram.recordCustomCountHistogram(
                    "History.ClearBrowsingData.ImportantDeselectedNum",
                    deselectedDomains.length, 0, mMaxImportantSites + 1,
                    mMaxImportantSites + 1);
            // We put our max at 20 instead of 100 to reduce the number of empty buckets (as
            // our maximum denominator is 5).
            RecordHistogram.recordEnumeratedHistogram(
                    "History.ClearBrowsingData.ImportantDeselectedPercent",
                    deselectedDomains.length * IMPORTANT_SITES_PERCENTAGE_BUCKET_COUNT
                            / mSortedImportantDomains.length,
                    IMPORTANT_SITES_PERCENTAGE_BUCKET_COUNT + 1);
        }
        clearBrowsingData(getSelectedOptions(), deselectedDomains);
    }
}
 

private static void recordPeriodicTaskIntervalHistogram() {
    SharedPreferences prefs = ContextUtils.getAppSharedPreferences();
    long previous_start_time_ms = prefs.getLong(PREF_PRECACHE_PERIODIC_TASK_START_TIME_MS, 0);
    long current_start_time_ms = System.currentTimeMillis();
    if (previous_start_time_ms > 0 && current_start_time_ms > previous_start_time_ms) {
        int interval_mins =
                (int) ((current_start_time_ms - previous_start_time_ms) / (1000 * 60));
        RecordHistogram.recordCustomCountHistogram(
                "Precache.PeriodicTaskInterval", interval_mins, 1, 10000, 50);
    }
    prefs.edit()
            .putLong(PREF_PRECACHE_PERIODIC_TASK_START_TIME_MS, current_start_time_ms)
            .apply();
}
 

/**
 * This is the callback for the important domain dialog. We should only clear if we get the
 * positive button response.
 */
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
    if (requestCode == IMPORTANT_SITES_DIALOG_CODE && resultCode == Activity.RESULT_OK) {
        // Deselected means that the user is excluding the domain from being cleared.
        String[] deselectedDomains = data.getStringArrayExtra(
                ConfirmImportantSitesDialogFragment.DESELECTED_DOMAINS_TAG);
        int[] deselectedDomainReasons = data.getIntArrayExtra(
                ConfirmImportantSitesDialogFragment.DESELECTED_DOMAIN_REASONS_TAG);
        String[] ignoredDomains = data.getStringArrayExtra(
                ConfirmImportantSitesDialogFragment.IGNORED_DOMAINS_TAG);
        int[] ignoredDomainReasons = data.getIntArrayExtra(
                ConfirmImportantSitesDialogFragment.IGNORED_DOMAIN_REASONS_TAG);
        if (deselectedDomains != null && mSortedImportantDomains != null) {
            // mMaxImportantSites is a constant on the C++ side.
            RecordHistogram.recordCustomCountHistogram(
                    "History.ClearBrowsingData.ImportantDeselectedNum",
                    deselectedDomains.length, 1, mMaxImportantSites + 1,
                    mMaxImportantSites + 1);
            RecordHistogram.recordCustomCountHistogram(
                    "History.ClearBrowsingData.ImportantIgnoredNum", ignoredDomains.length, 1,
                    mMaxImportantSites + 1, mMaxImportantSites + 1);
            // We put our max at 20 instead of 100 to reduce the number of empty buckets (as
            // our maximum denominator is 5).
            RecordHistogram.recordEnumeratedHistogram(
                    "History.ClearBrowsingData.ImportantDeselectedPercent",
                    deselectedDomains.length * IMPORTANT_SITES_PERCENTAGE_BUCKET_COUNT
                            / mSortedImportantDomains.length,
                    IMPORTANT_SITES_PERCENTAGE_BUCKET_COUNT + 1);
            RecordHistogram.recordEnumeratedHistogram(
                    "History.ClearBrowsingData.ImportantIgnoredPercent",
                    ignoredDomains.length * IMPORTANT_SITES_PERCENTAGE_BUCKET_COUNT
                            / mSortedImportantDomains.length,
                    IMPORTANT_SITES_PERCENTAGE_BUCKET_COUNT + 1);
        }
        clearBrowsingData(getSelectedOptions(), deselectedDomains, deselectedDomainReasons,
                ignoredDomains, ignoredDomainReasons);
    }
}
 

/**
 * Logs the duration between the panel being triggered due to a tap and the panel being
 * dismissed due to a scroll.
 * @param durationSincePanelTriggerMs The amount of time between the panel getting triggered and
 *                                    the panel being dismissed due to a scroll.
 * @param wasSearchContentViewSeen If the panel was opened.
 */
public static void logDurationBetweenTriggerAndScroll(
        long durationSincePanelTriggerMs, boolean wasSearchContentViewSeen) {
    String histogram = wasSearchContentViewSeen
            ? "Search.ContextualSearchDurationBetweenTriggerAndScrollSeen"
            : "Search.ContextualSearchDurationBetweenTriggerAndScrollNotSeen";
    if (durationSincePanelTriggerMs < 2000) {
        RecordHistogram.recordCustomCountHistogram(
                histogram, (int) durationSincePanelTriggerMs, 1, 2000, 200);
    }
}
 

/**
 * Logs the location of a Tap and whether the panel was seen and the type of the
 * trigger.
 * @param wasPanelSeen Whether the panel was seen.
 * @param wasTap Whether the gesture was a Tap or not.
 * @param triggerLocationDps The trigger location from the top of the screen.
 */
public static void logScreenTopTapLocation(
        boolean wasPanelSeen, boolean wasTap, int triggerLocationDps) {
    // We only log Tap locations for the screen top.
    if (!wasTap) return;
    String histogram = wasPanelSeen ? "Search.ContextualSearchTopLocationSeen"
                                    : "Search.ContextualSearchTopLocationNotSeen";
    int min = 1;
    int max = 250;
    int numBuckets = 50;
    RecordHistogram.recordCustomCountHistogram(
            histogram, triggerLocationDps, min, max, numBuckets);
}
 

private static void recordPeriodicTaskIntervalHistogram() {
    SharedPreferences prefs = ContextUtils.getAppSharedPreferences();
    long previous_start_time_ms = prefs.getLong(PREF_PRECACHE_PERIODIC_TASK_START_TIME_MS, 0);
    long current_start_time_ms = System.currentTimeMillis();
    if (previous_start_time_ms > 0 && current_start_time_ms > previous_start_time_ms) {
        int interval_mins =
                (int) ((current_start_time_ms - previous_start_time_ms) / (1000 * 60));
        RecordHistogram.recordCustomCountHistogram(
                "Precache.PeriodicTaskInterval", interval_mins, 1, 10000, 50);
    }
    prefs.edit()
            .putLong(PREF_PRECACHE_PERIODIC_TASK_START_TIME_MS, current_start_time_ms)
            .apply();
}
 

/** Records the startup data in a histogram. Should only be called after native is loaded. */
public void recordHistogram(boolean onStop) {
    if (!mShouldRecordHistogram) return;
    if (!isShortlyAfterChromeStarted() || mFirstActionTaken != NO_ACTIVITY || onStop) {
        String histogramName = mIsMainIntent ? "MobileStartup.MainIntentAction" :
                "MobileStartup.NonMainIntentAction";
        RecordHistogram.recordEnumeratedHistogram(histogramName, mFirstActionTaken, MAX_INDEX);
        mShouldRecordHistogram = false;
        long lastUsedTimeMilli = ContextUtils.getAppSharedPreferences().getLong(
                UmaSessionStats.LAST_USED_TIME_PREF, 0);
        if (mIsMainIntent && (lastUsedTimeMilli > 0) && (mStartTimeMilli > lastUsedTimeMilli)
                && (mStartTimeMilli - lastUsedTimeMilli > Integer.MAX_VALUE)) {
            // Measured in minutes and capped at a day with a bucket precision of 6 minutes.
            RecordHistogram.recordCustomCountHistogram("MobileStartup.TimeSinceLastUse",
                    (int) (mStartTimeMilli - lastUsedTimeMilli) / MILLI_SEC_PER_MINUTE, 1,
                    MINUTES_PER_30DAYS, NUM_BUCKETS);
        }
    } else {
        // Call back later to record the histogram after 10s have elapsed.
        mHandler.postDelayed(new Runnable() {
            @Override
            public void run() {
                recordHistogram(false);
            }
        }, (RECORDING_THRESHOLD_NS - (System.nanoTime() - mStartTimeNanoMonotonic)) / 1000000);
    }
}
 

/**
 * This is the callback for the important domain dialog. We should only clear if we get the
 * positive button response.
 */
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
    if (requestCode == IMPORTANT_SITES_DIALOG_CODE && resultCode == Activity.RESULT_OK) {
        // Deselected means that the user is excluding the domain from being cleared.
        String[] deselectedDomains = data.getStringArrayExtra(
                ConfirmImportantSitesDialogFragment.DESELECTED_DOMAINS_TAG);
        int[] deselectedDomainReasons = data.getIntArrayExtra(
                ConfirmImportantSitesDialogFragment.DESELECTED_DOMAIN_REASONS_TAG);
        String[] ignoredDomains = data.getStringArrayExtra(
                ConfirmImportantSitesDialogFragment.IGNORED_DOMAINS_TAG);
        int[] ignoredDomainReasons = data.getIntArrayExtra(
                ConfirmImportantSitesDialogFragment.IGNORED_DOMAIN_REASONS_TAG);
        if (deselectedDomains != null && mSortedImportantDomains != null) {
            // mMaxImportantSites is a constant on the C++ side.
            RecordHistogram.recordCustomCountHistogram(
                    "History.ClearBrowsingData.ImportantDeselectedNum",
                    deselectedDomains.length, 1, mMaxImportantSites + 1,
                    mMaxImportantSites + 1);
            RecordHistogram.recordCustomCountHistogram(
                    "History.ClearBrowsingData.ImportantIgnoredNum", ignoredDomains.length, 1,
                    mMaxImportantSites + 1, mMaxImportantSites + 1);
            // We put our max at 20 instead of 100 to reduce the number of empty buckets (as
            // our maximum denominator is 5).
            RecordHistogram.recordEnumeratedHistogram(
                    "History.ClearBrowsingData.ImportantDeselectedPercent",
                    deselectedDomains.length * IMPORTANT_SITES_PERCENTAGE_BUCKET_COUNT
                            / mSortedImportantDomains.length,
                    IMPORTANT_SITES_PERCENTAGE_BUCKET_COUNT + 1);
            RecordHistogram.recordEnumeratedHistogram(
                    "History.ClearBrowsingData.ImportantIgnoredPercent",
                    ignoredDomains.length * IMPORTANT_SITES_PERCENTAGE_BUCKET_COUNT
                            / mSortedImportantDomains.length,
                    IMPORTANT_SITES_PERCENTAGE_BUCKET_COUNT + 1);
        }
        clearBrowsingData(getSelectedOptions(), deselectedDomains, deselectedDomainReasons,
                ignoredDomains, ignoredDomainReasons);
    }
}
 

/**
 * Logs the duration between the panel being triggered due to a tap or long-press and the
 * panel being dismissed due to a scroll.
 * @param durationSincePanelTriggerMs The amount of time between the panel getting triggered and
 *                                    the panel being dismissed due to a scroll.
 * @param wasSearchContentViewSeen If the panel was opened.
 */
public static void logDurationBetweenTriggerAndScroll(
        long durationSincePanelTriggerMs, boolean wasSearchContentViewSeen) {
    String histogram = wasSearchContentViewSeen
            ? "Search.ContextualSearchDurationBetweenTriggerAndScrollSeen"
            : "Search.ContextualSearchDurationBetweenTriggerAndScrollNotSeen";
    if (durationSincePanelTriggerMs < 2000) {
        RecordHistogram.recordCustomCountHistogram(
                histogram, (int) durationSincePanelTriggerMs, 1, 2000, 200);
    }
}
 

/**
 * Logs the location of a Tap and whether the panel was seen and the type of the
 * trigger.
 * @param wasPanelSeen Whether the panel was seen.
 * @param wasTap Whether the gesture was a Tap or not.
 * @param triggerLocationDps The trigger location from the top of the screen.
 */
public static void logScreenTopTapLocation(
        boolean wasPanelSeen, boolean wasTap, int triggerLocationDps) {
    // We only log Tap locations for the screen top.
    if (!wasTap) return;
    String histogram = wasPanelSeen ? "Search.ContextualSearchTopLocationSeen"
                                    : "Search.ContextualSearchTopLocationNotSeen";
    int min = 1;
    int max = 250;
    int numBuckets = 50;
    RecordHistogram.recordCustomCountHistogram(
            histogram, triggerLocationDps, min, max, numBuckets);
}
 

/**
 * Record UMA on data savings displayed to the user. Called when the user views the data
 * savings in the UI.
 * @param compressedTotalBytes The total data used as shown to the user.
 * @param originalTotalBytes Original total size as shown to the user.
 * @param percentage Percentage savings as shown to the user.
 */
public static void dataReductionProxyUserViewedSavings(
        long compressedTotalBytes, long originalTotalBytes, double percentage) {
    // The byte counts are stored in KB. The largest histogram bucket is set to ~1 TB.
    RecordHistogram.recordCustomCountHistogram(USER_VIEWED_ORIGINAL_SIZE_HISTOGRAM_NAME,
            (int) (originalTotalBytes / 1024), 1, 1000 * 1000 * 1000, 100);
    RecordHistogram.recordCustomCountHistogram(USER_VIEWED_SAVINGS_SIZE_HISTOGRAM_NAME,
            (int) ((originalTotalBytes - compressedTotalBytes) / 1024), 1, 1000 * 1000 * 1000,
            100);

    RecordHistogram.recordPercentageHistogram(
            USER_VIEWED_SAVINGS_PERCENT_HISTOGRAM_NAME, (int) percentage);
}
 

/** Records the startup data in a histogram. Should only be called after native is loaded. */
public void recordHistogram(boolean onStop) {
    if (!mShouldRecordHistogram) return;
    if (!isShortlyAfterChromeStarted() || mFirstActionTaken != NO_ACTIVITY || onStop) {
        String histogramName = mIsMainIntent ? "MobileStartup.MainIntentAction" :
                "MobileStartup.NonMainIntentAction";
        RecordHistogram.recordEnumeratedHistogram(histogramName, mFirstActionTaken, MAX_INDEX);
        mShouldRecordHistogram = false;
        long lastUsedTimeMilli = ContextUtils.getAppSharedPreferences().getLong(
                UmaSessionStats.LAST_USED_TIME_PREF, 0);
        if (mIsMainIntent && (lastUsedTimeMilli > 0) && (mStartTimeMilli > lastUsedTimeMilli)
                && (mStartTimeMilli - lastUsedTimeMilli > Integer.MAX_VALUE)) {
            // Measured in minutes and capped at a day with a bucket precision of 6 minutes.
            RecordHistogram.recordCustomCountHistogram("MobileStartup.TimeSinceLastUse",
                    (int) (mStartTimeMilli - lastUsedTimeMilli) / MILLI_SEC_PER_MINUTE, 1,
                    MINUTES_PER_30DAYS, NUM_BUCKETS);
        }
    } else {
        // Call back later to record the histogram after 10s have elapsed.
        mHandler.postDelayed(new Runnable() {
            @Override
            public void run() {
                recordHistogram(false);
            }
        }, (RECORDING_THRESHOLD_NS - (System.nanoTime() - mStartTimeNanoMonotonic)) / 1000000);
    }
}
 

@Override
public void onImportantRegisterableDomainsReady(String[] domains, String[] exampleOrigins) {
    if (domains == null) return;
    // mMaxImportantSites is a constant on the C++ side.
    RecordHistogram.recordCustomCountHistogram("History.ClearBrowsingData.NumImportant",
            domains.length, 0, mMaxImportantSites + 1, mMaxImportantSites + 1);
    mSortedImportantDomains = Arrays.copyOf(domains, domains.length);
    mSortedExampleOrigins = Arrays.copyOf(exampleOrigins, exampleOrigins.length);
}
 

private static void recordAge(String histogramName, int ageInMinutes) {
    // Negative values (when the time of the device is set inappropriately) provide no value.
    if (ageInMinutes >= 0) {
        // If the max value below (72 hours) were to be changed, the histogram should be renamed
        // since it will change the shape of buckets.
        RecordHistogram.recordCustomCountHistogram(histogramName, ageInMinutes, 1, 72 * 60, 50);
    }
}
 

/**
 * Logs the location of a Tap and whether the panel was seen and the type of the
 * trigger.
 * @param wasPanelSeen Whether the panel was seen.
 * @param wasTap Whether the gesture was a Tap or not.
 * @param triggerLocationDps The trigger location from the top of the screen.
 */
public static void logScreenTopTapLocation(
        boolean wasPanelSeen, boolean wasTap, int triggerLocationDps) {
    // We only log Tap locations for the screen top.
    if (!wasTap) return;
    String histogram = wasPanelSeen ? "Search.ContextualSearchTopLocationSeen"
                                    : "Search.ContextualSearchTopLocationNotSeen";
    int min = 1;
    int max = 250;
    int numBuckets = 50;
    RecordHistogram.recordCustomCountHistogram(
            histogram, triggerLocationDps, min, max, numBuckets);
}
 

/** Records the startup data in a histogram. Should only be called after native is loaded. */
public void recordHistogram(boolean onStop) {
    if (!mShouldRecordHistogram) return;
    if (!isShortlyAfterChromeStarted() || mFirstActionTaken != NO_ACTIVITY || onStop) {
        String histogramName = mIsMainIntent ? "MobileStartup.MainIntentAction" :
                "MobileStartup.NonMainIntentAction";
        RecordHistogram.recordEnumeratedHistogram(histogramName, mFirstActionTaken, MAX_INDEX);
        mShouldRecordHistogram = false;
        long lastUsedTimeMilli = ContextUtils.getAppSharedPreferences().getLong(
                UmaSessionStats.LAST_USED_TIME_PREF, 0);
        if (mIsMainIntent && (lastUsedTimeMilli > 0) && (mStartTimeMilli > lastUsedTimeMilli)
                && (mStartTimeMilli - lastUsedTimeMilli > Integer.MAX_VALUE)) {
            // Measured in minutes and capped at a day with a bucket precision of 6 minutes.
            RecordHistogram.recordCustomCountHistogram("MobileStartup.TimeSinceLastUse",
                    (int) (mStartTimeMilli - lastUsedTimeMilli) / MILLI_SEC_PER_MINUTE, 1,
                    MINUTES_PER_30DAYS, NUM_BUCKETS);
        }
    } else {
        // Call back later to record the histogram after 10s have elapsed.
        mHandler.postDelayed(new Runnable() {
            @Override
            public void run() {
                recordHistogram(false);
            }
        }, (RECORDING_THRESHOLD_NS - (System.nanoTime() - mStartTimeNanoMonotonic)) / 1000000);
    }
}
 

/**
 * Record the DataReductionProxy.SnackbarPromo.DataSavings histogram.
 * @param promoDataSavingsMB The data savings in MB of the promo that was shown.
 */
public static void dataReductionProxySnackbarPromo(int promoDataSavingsMB) {
    RecordHistogram.recordCustomCountHistogram(
            SNACKBAR_HISTOGRAM_NAME, promoDataSavingsMB, 1, 10000, 200);
}
 

private static void recordScore(String histogramName, float score) {
    int recordedScore = Math.min((int) Math.ceil(score), 100000);
    RecordHistogram.recordCustomCountHistogram(histogramName, recordedScore, 1, 100000, 50);
}
 

/**
 * Record the DataReductionProxy.SnackbarPromo.DataSavings histogram.
 * @param promoDataSavingsMB The data savings in MB of the promo that was shown.
 */
public static void dataReductionProxySnackbarPromo(int promoDataSavingsMB) {
    RecordHistogram.recordCustomCountHistogram(
            SNACKBAR_HISTOGRAM_NAME, promoDataSavingsMB, 1, 10000, 200);
}
 

/**
 * Helper method to record the bytes wasted metrics when a download completes.
 * @param name Histogram name
 * @param bytesWasted Bytes wasted during download.
 */
private void recordBytesWasted(String name, long bytesWasted) {
    RecordHistogram.recordCustomCountHistogram(
            name, (int) (bytesWasted / 1024), 1, GB_IN_KILO_BYTES, 50);
}