[Mac][Material Design] Add temporary spinner for Incognito mode.

chrome/browser/ui/cocoa/tabs/tab_strip_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/tabs/tab_strip_controller.h"
 
 #import <QuartzCore/QuartzCore.h>
 
 #include <cmath>
 #include <limits>
@@ skipping 22 matching lines @@
 #import "chrome/browser/ui/cocoa/image_button_cell.h"
 #import "chrome/browser/ui/cocoa/new_tab_button.h"
 #import "chrome/browser/ui/cocoa/tab_contents/favicon_util_mac.h"
 #import "chrome/browser/ui/cocoa/tab_contents/tab_contents_controller.h"
 #import "chrome/browser/ui/cocoa/tabs/alert_indicator_button_cocoa.h"
 #import "chrome/browser/ui/cocoa/tabs/tab_controller.h"
 #import "chrome/browser/ui/cocoa/tabs/tab_strip_drag_controller.h"
 #import "chrome/browser/ui/cocoa/tabs/tab_strip_model_observer_bridge.h"
 #import "chrome/browser/ui/cocoa/tabs/tab_strip_view.h"
 #import "chrome/browser/ui/cocoa/tabs/tab_view.h"
+#import "chrome/browser/ui/cocoa/themed_window.h"
 #include "chrome/browser/ui/find_bar/find_bar.h"
 #include "chrome/browser/ui/find_bar/find_bar_controller.h"
 #include "chrome/browser/ui/find_bar/find_tab_helper.h"
 #include "chrome/browser/ui/tabs/tab_menu_model.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/tabs/tab_strip_model_delegate.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/metrics/proto/omnibox_event.pb.h"
 #include "components/omnibox/browser/autocomplete_classifier.h"
@@ skipping 1471 matching lines @@
 // Updates the current loading state, replacing the icon view with a favicon,
 // a throbber, the default icon, or nothing at all.
 - (void)updateIconsForContents:(content::WebContents*)contents
                        atIndex:(NSInteger)modelIndex {
   if (!contents)
     return;
 
   static NSImage* throbberWaitingImage =
       ResourceBundle::GetSharedInstance().GetNativeImageNamed(
           IDR_THROBBER_WAITING).CopyNSImage();
+  static NSImage* throbberWaitingIncognitoImage =
+      ResourceBundle::GetSharedInstance().GetNativeImageNamed(
+          IDR_THROBBER_WAITING_INCOGNITO).CopyNSImage();
   static NSImage* throbberLoadingImage =
       ResourceBundle::GetSharedInstance().GetNativeImageNamed(
           IDR_THROBBER).CopyNSImage();
+  static NSImage* throbberLoadingIncognitoImage =
+      ResourceBundle::GetSharedInstance().GetNativeImageNamed(
+          IDR_THROBBER_INCOGNITO).CopyNSImage();
   static NSImage* sadFaviconImage =
       ResourceBundle::GetSharedInstance()
           .GetNativeImageNamed(IDR_CRASH_SAD_FAVICON)
           .CopyNSImage();
 
   // Take closing tabs into account.
   NSInteger index = [self indexFromModelIndex:modelIndex];
   TabController* tabController = [tabArray_ objectAtIndex:index];
 
   bool oldHasIcon = [tabController iconView] != nil;
   bool newHasIcon =
       favicon::ShouldDisplayFavicon(contents) ||
       tabStripModel_->IsTabPinned(modelIndex);  // Always show icon if pinned.
 
   TabLoadingState oldState = [tabController loadingState];
   TabLoadingState newState = kTabDone;
   NSImage* throbberImage = nil;
   if (contents->IsCrashed()) {
     newState = kTabCrashed;
     newHasIcon = true;
   } else if (contents->IsWaitingForResponse()) {
     newState = kTabWaiting;
-    throbberImage = throbberWaitingImage;
+    if (ui::MaterialDesignController::IsModeMaterial() &&
+        [[[tabController view] window] inIncognitoMode]) {
+      throbberImage = throbberWaitingIncognitoImage;
+    } else {
+      throbberImage = throbberWaitingImage;
+    }
   } else if (contents->IsLoadingToDifferentDocument()) {
     newState = kTabLoading;
-    throbberImage = throbberLoadingImage;
+    if (ui::MaterialDesignController::IsModeMaterial() &&
+        [[[tabController view] window] inIncognitoMode]) {
+      throbberImage = throbberLoadingIncognitoImage;
+    } else {
+      throbberImage = throbberLoadingImage;
+    }
   }
 
   if (oldState != newState)
     [tabController setLoadingState:newState];
 
   // While loading, this function is called repeatedly with the same state.
   // To avoid expensive unnecessary view manipulation, only make changes when
   // the state is actually changing.  When loading is complete (kTabDone),
   // every call to this function is significant.
   if (newState == kTabDone || oldState != newState ||
@@ skipping 736 matching lines @@
 
 - (void)themeDidChangeNotification:(NSNotification*)notification {
   [newTabButton_ setImages];
 }
 
 - (void)setVisualEffectsDisabledForFullscreen:(BOOL)fullscreen {
   [tabStripView_ setVisualEffectsDisabledForFullscreen:fullscreen];
 }
 
 @end