Wrench Icon: Only animate low severity status once

chrome/browser/ui/cocoa/toolbar/toolbar_controller.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "chrome/browser/ui/cocoa/toolbar/toolbar_controller.h"
 
 #include <algorithm>
 
 #include "base/mac/bundle_locations.h"
 #include "base/mac/mac_util.h"
@@ skipping 543 matching lines @@
 }
 
 - (WrenchMenuController*)wrenchMenuController {
   return wrenchMenuController_;
 }
 
 - (void)updateWrenchButtonSeverity {
   WrenchToolbarButtonCell* cell =
       base::mac::ObjCCastStrict<WrenchToolbarButtonCell>([wrenchButton_ cell]);
   if (UpgradeDetector::GetInstance()->notify_upgrade()) {
-    [cell setSeverity:WrenchIconPainter::SeverityFromUpgradeLevel(
-        UpgradeDetector::GetInstance()->upgrade_notification_stage())];
+    WrenchIconPainter::Severity severity =
+        WrenchIconPainter::SeverityFromUpgradeLevel(
+            UpgradeDetector::GetInstance()->upgrade_notification_stage());
+    bool shouldAnimate = true;
+    if (severity == WrenchIconPainter::SEVERITY_LOW) {
+      // Only animate low severity upgrades once.
+      static bool sShouldAnimate = true;
+      shouldAnimate = sShouldAnimate;
+      sShouldAnimate = false;
+    }
+    [cell setSeverity:severity shouldAnimate:shouldAnimate];
     return;
   }
 
   GlobalError* error = GlobalErrorServiceFactory::GetForProfile(
       browser_->profile())->GetHighestSeverityGlobalErrorWithWrenchMenuItem();
   if (error) {
     [cell setSeverity:WrenchIconPainter::SeverityFromGlobalErrorSeverity(
-        error->GetSeverity())];
+        error->GetSeverity())
+        shouldAnimate:YES];
     return;
   }
 
-  [cell setSeverity:WrenchIconPainter::SEVERITY_NONE];
+  [cell setSeverity:WrenchIconPainter::SEVERITY_NONE shouldAnimate:YES];
 }
 
 - (void)prefChanged:(const std::string&)prefName {
   if (prefName == prefs::kShowHomeButton) {
     [self showOptionalHomeButton];
   }
 }
 
 - (void)createBrowserActionButtons {
   if (!browserActionsController_.get()) {
@@ skipping 220 matching lines @@
 - (void)hideDropURLsIndicatorInView:(NSView*)view {
   // Do nothing.
 }
 
 // (URLDropTargetController protocol)
 - (BOOL)isUnsupportedDropData:(id<NSDraggingInfo>)info {
   return drag_util::IsUnsupportedDropData(profile_, info);
 }
 
 @end