/**
* Handle all necessary tasks that can be delayed until initialization completes.
*
* @param activityCreationTimeMs The time of creation for the activity this toolbar belongs to.
* @param activityName Simple class name for the activity this toolbar belongs to.
*/
public void onDeferredStartup(final long activityCreationTimeMs, final String activityName) {
// Record startup performance statistics
long elapsedTime = SystemClock.elapsedRealtime() - activityCreationTimeMs;
if (elapsedTime < RECORD_UMA_PERFORMANCE_METRICS_DELAY_MS) {
ThreadUtils.postOnUiThreadDelayed(
new Runnable() {
@Override
public void run() {
onDeferredStartup(activityCreationTimeMs, activityName);
}
},
RECORD_UMA_PERFORMANCE_METRICS_DELAY_MS - elapsedTime);
}
RecordHistogram.recordTimesHistogram(
"MobileStartup.ToolbarFirstDrawTime." + activityName,
mToolbar.getFirstDrawTime() - activityCreationTimeMs,
TimeUnit.MILLISECONDS);
long firstFocusTime = mToolbar.getLocationBar().getFirstUrlBarFocusTime();
if (firstFocusTime != 0) {
RecordHistogram.recordCustomTimesHistogram(
"MobileStartup.ToolbarFirstFocusTime." + activityName,
firstFocusTime - activityCreationTimeMs,
MIN_FOCUS_TIME_FOR_UMA_HISTOGRAM_MS,
MAX_FOCUS_TIME_FOR_UMA_HISTOGRAM_MS,
TimeUnit.MILLISECONDS,
50);
}
}
@Override
public void didCommitProvisionalLoadForFrame(
long frameId, boolean isMainFrame, String url, int transitionType) {
if (isMainFrame && UmaUtils.isRunningApplicationStart()) {
// Currently it takes about 2000ms to commit a navigation if the measurement
// begins very early in the browser start. How many buckets (b) are needed to
// explore the _typical_ values with granularity 100ms and a maximum duration
// of 1 minute?
// s^{n+1} / s^{n} = 2100 / 2000
// s = 1.05
// s^b = 60000
// b = ln(60000) / ln(1.05) ~= 225
RecordHistogram.recordCustomTimesHistogram(
"Startup.FirstCommitNavigationTime",
SystemClock.uptimeMillis() - UmaUtils.getMainEntryPointTime(),
1,
60000 /* 1 minute */,
TimeUnit.MILLISECONDS,
225);
UmaUtils.setRunningApplicationStart(false);
}
if (isMainFrame) {
mTab.setIsTabStateDirty(true);
mTab.updateTitle();
}
RewindableIterator<TabObserver> observers = mTab.getTabObservers();
while (observers.hasNext()) {
observers
.next()
.onDidCommitProvisionalLoadForFrame(mTab, frameId, isMainFrame, url, transitionType);
}
observers.rewind();
while (observers.hasNext()) {
observers.next().onUrlUpdated(mTab);
}
if (!isMainFrame) return;
mTab.handleDidCommitProvisonalLoadForFrame(url, transitionType);
}
