@Override
public void didFirstVisuallyNonEmptyPaint() {
RewindableIterator<TabObserver> observers = mTab.getTabObservers();
while (observers.hasNext()) {
observers.next().didFirstVisuallyNonEmptyPaint(mTab);
}
}
@Override
public void onVSync(VSyncMonitor monitor, long vsyncTimeMicros) {
if (mNeedToRender) {
if (mPendingSwapBuffers + mPendingRenders <= MAX_SWAP_BUFFER_COUNT) {
mNeedToRender = false;
mPendingRenders++;
render();
} else {
TraceEvent.instant("ContentViewRenderView:bail");
}
}
if (mVSyncListener != null) {
if (mVSyncNotificationEnabled) {
for (mCurrentVSyncListenersIterator.rewind();
mCurrentVSyncListenersIterator.hasNext(); ) {
mCurrentVSyncListenersIterator.next().onVSync(vsyncTimeMicros);
}
mVSyncMonitor.requestUpdate();
} else {
// Compensate for input event lag. Input events are delivered immediately on
// pre-JB releases, so this adjustment is only done for later versions.
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
vsyncTimeMicros += INPUT_EVENT_LAG_FROM_VSYNC_MICROSECONDS;
}
mVSyncListener.updateVSync(vsyncTimeMicros, mVSyncMonitor.getVSyncPeriodInMicroseconds());
}
}
}
@Override
public void didStartNavigationToPendingEntry(String url) {
RewindableIterator<TabObserver> observers = mTab.getTabObservers();
while (observers.hasNext()) {
observers.next().onDidStartNavigationToPendingEntry(mTab, url);
}
}
@Override
public void didFailLoad(
boolean isProvisionalLoad,
boolean isMainFrame,
int errorCode,
String description,
String failingUrl,
boolean wasIgnoredByHandler) {
RewindableIterator<TabObserver> observers = mTab.getTabObservers();
while (observers.hasNext()) {
observers
.next()
.onDidFailLoad(mTab, isProvisionalLoad, isMainFrame, errorCode, description, failingUrl);
}
if (isMainFrame) mTab.didFailPageLoad(errorCode);
PolicyAuditor auditor = ((ChromeApplication) mTab.getApplicationContext()).getPolicyAuditor();
auditor.notifyAuditEvent(
mTab.getApplicationContext(), AuditEvent.OPEN_URL_FAILURE, failingUrl, description);
if (errorCode == BLOCKED_BY_ADMINISTRATOR) {
auditor.notifyAuditEvent(
mTab.getApplicationContext(), AuditEvent.OPEN_URL_BLOCKED, failingUrl, "");
}
}
@Override
public void buildContextMenu(ContextMenu menu, Context context, ContextMenuParams params) {
mPopulator.buildContextMenu(menu, context, params);
RewindableIterator<TabObserver> observers = mTab.getTabObservers();
while (observers.hasNext()) {
observers.next().onContextMenuShown(mTab, menu);
}
}
@Override
public void didDetachInterstitialPage() {
mTab.getInfoBarContainer().setVisibility(View.VISIBLE);
didChangeThemeColor(mTab.getWebContents().getThemeColor(mTab.getDefaultThemeColor()));
RewindableIterator<TabObserver> observers = mTab.getTabObservers();
while (observers.hasNext()) {
observers.next().onDidDetachInterstitialPage(mTab);
}
mTab.notifyLoadProgress(mTab.getProgress());
mTab.updateFullscreenEnabledState();
if (!mTab.maybeShowNativePage(mTab.getUrl(), false)) {
mTab.showRenderedPage();
}
}
@Override
public void didStartProvisionalLoadForFrame(
long frameId,
long parentFrameId,
boolean isMainFrame,
String validatedUrl,
boolean isErrorPage,
boolean isIframeSrcdoc) {
if (isMainFrame) mTab.didStartPageLoad(validatedUrl, isErrorPage);
RewindableIterator<TabObserver> observers = mTab.getTabObservers();
while (observers.hasNext()) {
observers
.next()
.onDidStartProvisionalLoadForFrame(
mTab, frameId, parentFrameId, isMainFrame, validatedUrl, isErrorPage, isIframeSrcdoc);
}
}
@Override
public void didAttachInterstitialPage() {
mTab.getInfoBarContainer().setVisibility(View.INVISIBLE);
mTab.showRenderedPage();
didChangeThemeColor(mTab.getDefaultThemeColor());
RewindableIterator<TabObserver> observers = mTab.getTabObservers();
while (observers.hasNext()) {
observers.next().onDidAttachInterstitialPage(mTab);
}
mTab.notifyLoadProgress(mTab.getProgress());
mTab.updateFullscreenEnabledState();
PolicyAuditor auditor = ((ChromeApplication) mTab.getApplicationContext()).getPolicyAuditor();
auditor.notifyCertificateFailure(
PolicyAuditor.nativeGetCertificateFailure(mTab.getWebContents()),
mTab.getApplicationContext());
}
@Override
public void didChangeThemeColor(int color) {
int securityLevel = mTab.getSecurityLevel();
if (securityLevel == ConnectionSecurityLevel.SECURITY_ERROR
|| securityLevel == ConnectionSecurityLevel.SECURITY_WARNING
|| securityLevel == ConnectionSecurityLevel.SECURITY_POLICY_WARNING) {
color = mTab.getDefaultThemeColor();
}
if (mTab.isShowingInterstitialPage()) color = mTab.getDefaultThemeColor();
if (!isThemeColorEnabled(mTab.getApplicationContext())) {
color = mTab.getDefaultThemeColor();
}
if (color == Color.TRANSPARENT) color = mTab.getDefaultThemeColor();
if (mTab.isIncognito()) color = mTab.getDefaultThemeColor();
color |= 0xFF000000;
if (mTab.getThemeColor() == color) return;
mThemeColor = color;
RewindableIterator<TabObserver> observers = mTab.getTabObservers();
while (observers.hasNext()) {
observers.next().onDidChangeThemeColor(mTab, mTab.getThemeColor());
}
}
@Override
public void didNavigateMainFrame(
String url,
String baseUrl,
boolean isNavigationToDifferentPage,
boolean isFragmentNavigation,
int statusCode) {
FullscreenManager fullscreenManager = mTab.getFullscreenManager();
if (isNavigationToDifferentPage && fullscreenManager != null) {
fullscreenManager.setPersistentFullscreenMode(false);
}
RewindableIterator<TabObserver> observers = mTab.getTabObservers();
while (observers.hasNext()) {
observers
.next()
.onDidNavigateMainFrame(
mTab, url, baseUrl, isNavigationToDifferentPage, isFragmentNavigation, statusCode);
}
mTab.stopSwipeRefreshHandler();
}
@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);
}
@Override
public void renderProcessGone(boolean processWasOomProtected) {
Log.i(
TAG,
"renderProcessGone() for tab id: "
+ mTab.getId()
+ ", oom protected: "
+ Boolean.toString(processWasOomProtected)
+ ", already needs reload: "
+ Boolean.toString(mTab.needsReload()));
// Do nothing for subsequent calls that happen while the tab remains crashed. This
// can occur when the tab is in the background and it shares the renderer with other
// tabs. After the renderer crashes, the WebContents of its tabs are still around
// and they still share the RenderProcessHost. When one of the tabs reloads spawning
// a new renderer for the shared RenderProcessHost and the new renderer crashes
// again, all tabs sharing this renderer will be notified about the crash (including
// potential background tabs that did not reload yet).
if (mTab.needsReload() || mTab.isShowingSadTab()) return;
// This will replace TabRendererCrashStatus if numbers line up.
int appState = ApplicationStatus.getStateForApplication();
boolean applicationRunning = (appState == ApplicationState.HAS_RUNNING_ACTIVITIES);
boolean applicationPaused = (appState == ApplicationState.HAS_PAUSED_ACTIVITIES);
@TabRendererExitStatus int rendererExitStatus = TAB_RENDERER_EXIT_STATUS_MAX;
if (processWasOomProtected) {
if (applicationRunning) {
rendererExitStatus = TAB_RENDERER_EXIT_STATUS_OOM_PROTECTED_IN_RUNNING_APP;
} else if (applicationPaused) {
rendererExitStatus = TAB_RENDERER_EXIT_STATUS_OOM_PROTECTED_IN_PAUSED_APP;
} else {
rendererExitStatus = TAB_RENDERER_EXIT_STATUS_OOM_PROTECTED_IN_BACKGROUND_APP;
}
} else {
if (applicationRunning) {
rendererExitStatus = TAB_RENDERER_EXIT_STATUS_NOT_PROTECTED_IN_RUNNING_APP;
} else if (applicationPaused) {
rendererExitStatus = TAB_RENDERER_EXIT_STATUS_NOT_PROTECTED_IN_PAUSED_APP;
} else {
rendererExitStatus = TAB_RENDERER_EXIT_STATUS_NOT_PROTECTED_IN_BACKGROUND_APP;
}
}
RecordHistogram.recordEnumeratedHistogram(
"Tab.RendererExitStatus", rendererExitStatus, TAB_RENDERER_EXIT_STATUS_MAX);
int activityState =
ApplicationStatus.getStateForActivity(mTab.getWindowAndroid().getActivity().get());
int rendererCrashStatus = TAB_RENDERER_CRASH_STATUS_MAX;
if (!processWasOomProtected
|| activityState == ActivityState.PAUSED
|| activityState == ActivityState.STOPPED
|| activityState == ActivityState.DESTROYED) {
// The tab crashed in background or was killed by the OS out-of-memory killer.
// setNeedsReload(true);
mTab.setNeedsReload(true);
if (applicationRunning) {
rendererCrashStatus = TAB_RENDERER_CRASH_STATUS_HIDDEN_IN_FOREGROUND_APP;
} else {
rendererCrashStatus = TAB_RENDERER_CRASH_STATUS_HIDDEN_IN_BACKGROUND_APP;
}
} else {
rendererCrashStatus = TAB_RENDERER_CRASH_STATUS_SHOWN_IN_FOREGROUND_APP;
mTab.showSadTab();
// This is necessary to correlate histogram data with stability counts.
UmaSessionStats.logRendererCrash();
}
RecordHistogram.recordEnumeratedHistogram(
"Tab.RendererCrashStatus", rendererCrashStatus, TAB_RENDERER_CRASH_STATUS_MAX);
mTab.handleTabCrash();
boolean sadTabShown = mTab.isShowingSadTab();
RewindableIterator<TabObserver> observers = mTab.getTabObservers();
while (observers.hasNext()) {
observers.next().onCrash(mTab, sadTabShown);
}
}