Show a different icon in the launcher for incognito windows

ash/launcher/tabbed_launcher_button.cc

 // 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.
 
 #include "ash/launcher/tabbed_launcher_button.h"
 
 #include <algorithm>
 
 #include "ash/launcher/launcher_button_host.h"
 #include "grit/ui_resources.h"
@@ skipping 27 matching lines @@
     const ui::Animation* animation) {
   if (host_->animation_->current_part_index() == 1)
     host_->SchedulePaint();
 }
 
 // static
 TabbedLauncherButton::ImageSet* TabbedLauncherButton::bg_image_1_ = NULL;
 TabbedLauncherButton::ImageSet* TabbedLauncherButton::bg_image_2_ = NULL;
 TabbedLauncherButton::ImageSet* TabbedLauncherButton::bg_image_3_ = NULL;
 
+TabbedLauncherButton::ImageSet*
+    TabbedLauncherButton::bg_private_image_1_ = NULL;
+TabbedLauncherButton::ImageSet*
+    TabbedLauncherButton::bg_private_image_2_ = NULL;
+TabbedLauncherButton::ImageSet*
+    TabbedLauncherButton::bg_private_image_3_ = NULL;
+
 TabbedLauncherButton::TabbedLauncherButton(views::ButtonListener* listener,
                                            LauncherButtonHost* host)
     : views::ImageButton(listener),
       host_(host),
       ALLOW_THIS_IN_INITIALIZER_LIST(animation_delegate_(this)),
       show_image_(true),
       ALLOW_THIS_IN_INITIALIZER_LIST(hover_controller_(this)) {
   if (!bg_image_1_) {
     bg_image_1_ = CreateImageSet(IDR_AURA_LAUNCHER_TABBED_BROWSER_1,
                                  IDR_AURA_LAUNCHER_TABBED_BROWSER_1_PUSHED,
                                  IDR_AURA_LAUNCHER_TABBED_BROWSER_1_HOT);
     bg_image_2_ = CreateImageSet(IDR_AURA_LAUNCHER_TABBED_BROWSER_2,
                                  IDR_AURA_LAUNCHER_TABBED_BROWSER_2_PUSHED,
                                  IDR_AURA_LAUNCHER_TABBED_BROWSER_2_HOT);
     bg_image_3_ = CreateImageSet(IDR_AURA_LAUNCHER_TABBED_BROWSER_3,
                                  IDR_AURA_LAUNCHER_TABBED_BROWSER_3_PUSHED,
                                  IDR_AURA_LAUNCHER_TABBED_BROWSER_3_HOT);
+
+    bg_private_image_1_ =
+        CreateImageSet(IDR_AURA_LAUNCHER_TABBED_PRIVATE_BROWSER_1,
+                       IDR_AURA_LAUNCHER_TABBED_PRIVATE_BROWSER_1_PUSHED,
+                       IDR_AURA_LAUNCHER_TABBED_PRIVATE_BROWSER_1_HOT);
+    bg_private_image_2_ =
+        CreateImageSet(IDR_AURA_LAUNCHER_TABBED_PRIVATE_BROWSER_2,
+                       IDR_AURA_LAUNCHER_TABBED_PRIVATE_BROWSER_2_PUSHED,
+                       IDR_AURA_LAUNCHER_TABBED_PRIVATE_BROWSER_2_HOT);
+    bg_private_image_3_ =
+        CreateImageSet(IDR_AURA_LAUNCHER_TABBED_PRIVATE_BROWSER_3,
+                       IDR_AURA_LAUNCHER_TABBED_PRIVATE_BROWSER_3_PUSHED,
+                       IDR_AURA_LAUNCHER_TABBED_PRIVATE_BROWSER_3_HOT);
   }
   SetImageAlignment(views::ImageButton::ALIGN_CENTER,
                     views::ImageButton::ALIGN_MIDDLE);
   set_accessibility_focusable(true);
 }
 
 TabbedLauncherButton::~TabbedLauncherButton() {
 }
 
 void TabbedLauncherButton::PrepareForImageChange() {
   if (!show_image_ || (animation_.get() && animation_->is_animating()))
     return;
 
   // Pause for 500ms, then ease out for 200ms.
   ui::MultiAnimation::Parts animation_parts;
   animation_parts.push_back(ui::MultiAnimation::Part(500, ui::Tween::ZERO));
   animation_parts.push_back(ui::MultiAnimation::Part(200, ui::Tween::EASE_OUT));
   animation_.reset(new ui::MultiAnimation(animation_parts));
   animation_->set_continuous(false);
   animation_->set_delegate(&animation_delegate_);
   animation_->Start();
 }
 
-void TabbedLauncherButton::SetTabImage(const SkBitmap& image, int count) {
+void TabbedLauncherButton::SetTabImage(const SkBitmap& image, int count,
+                                       bool private_tab) {
   animation_.reset();
   show_image_ = true;
   image_ = image;
   ImageSet* set;
-  if (count <= 1)
-    set = bg_image_1_;
-  else if (count == 2)
-    set = bg_image_2_;
-  else
-    set = bg_image_3_;
+  if (private_tab) {
+    if (count <= 1)
+      set = bg_private_image_1_;
+    else if (count == 2)
+      set = bg_private_image_2_;
+    else
+      set = bg_private_image_3_;
+  } else {
+    if (count <= 1)
+      set = bg_image_1_;
+    else if (count == 2)
+      set = bg_image_2_;
+    else
+      set = bg_image_3_;
+  }
   SetImage(BS_NORMAL, set->normal_image);
   SetImage(BS_HOT, set->hot_image);
   SetImage(BS_PUSHED, set->pushed_image);
   SchedulePaint();
 }
 
 void TabbedLauncherButton::OnPaint(gfx::Canvas* canvas) {
   ImageButton::OnPaint(canvas);
 
   hover_controller_.Draw(canvas, *bg_image_1_->normal_image);
@@ skipping 67 matching lines @@
   ImageSet* set = new ImageSet;
   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
   set->normal_image = new SkBitmap(*rb.GetImageNamed(normal_id).ToSkBitmap());
   set->pushed_image = new SkBitmap(*rb.GetImageNamed(pushed_id).ToSkBitmap());
   set->hot_image = new SkBitmap(*rb.GetImageNamed(hot_id).ToSkBitmap());
   return set;
 }
 
 }  // namespace internal
 }  // namespace ash