Set "Hover" status during focus for accessibility.

ash/launcher/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/launcher_button.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "ash/launcher/launcher_button_host.h"
@@ skipping 24 matching lines @@
 const int kIconSize = 32;
 const int kHopSpacing = 2;
 const int kActiveBarColor = 0xe6ffffff;
 const int kInactiveBarColor = 0x80ffffff;
 const int kHopUpMS = 200;
 const int kHopDownMS = 200;
 const int kAttentionThrobDurationMS = 2000;
 
 bool ShouldHop(int state) {
   return state & ash::internal::LauncherButton::STATE_HOVERED ||
-      state & ash::internal::LauncherButton::STATE_ACTIVE;
+      state & ash::internal::LauncherButton::STATE_ACTIVE ||
+      state & ash::internal::LauncherButton::STATE_FOCUSED;
 }
 
 }  // namespace
 
 namespace ash {
 
 namespace internal {
 
 ////////////////////////////////////////////////////////////////////////////////
 // LauncherButton::BarView
@@ skipping 334 matching lines @@
   bar_->SetBoundsRect(rect);
 }
 
 bool LauncherButton::GetTooltipText(
     const gfx::Point& p, string16* tooltip) const {
   DCHECK(tooltip);
   tooltip->assign(host_->GetAccessibleName(this));
   return true;
 }
 
+void LauncherButton::OnFocus() {
+  AddState(STATE_FOCUSED);
+}
+
+void LauncherButton::OnBlur() {
+  ClearState(STATE_FOCUSED);
+}
+
 void LauncherButton::Init() {
   icon_view_ = CreateIconView();
   // TODO: refactor the layers so each button doesn't require 2.
   icon_view_->SetPaintToLayer(true);
   icon_view_->SetFillsBoundsOpaquely(false);
   icon_view_->SetSize(gfx::Size(kIconSize, kIconSize));
   icon_view_->SetHorizontalAlignment(views::ImageView::CENTER);
   icon_view_->SetVerticalAlignment(views::ImageView::CENTER);
   AddChildView(icon_view_);
 }
@@ skipping 10 matching lines @@
   if (state_ == STATE_NORMAL || state_ & STATE_PENDING) {
     bar_->SetVisible(false);
   } else {
     ResourceBundle& rb = ResourceBundle::GetSharedInstance();
     int bar_id;
     bar_->SetVisible(true);
 
     if (state_ & STATE_ACTIVE || state_ & STATE_ATTENTION) {
       bar_id = IsShelfHorizontal() ? IDR_AURA_LAUNCHER_UNDERLINE_ACTIVE :
           IDR_AURA_LAUNCHER_UNDERLINE_VERTICAL_ACTIVE;
-    } else if (state_ & STATE_HOVERED) {
+    } else if (state_ & STATE_HOVERED || state_ & STATE_FOCUSED) {
       bar_id = IsShelfHorizontal() ? IDR_AURA_LAUNCHER_UNDERLINE_HOVER :
           IDR_AURA_LAUNCHER_UNDERLINE_VERTICAL_HOVER;
     } else {
       bar_id = IsShelfHorizontal() ? IDR_AURA_LAUNCHER_UNDERLINE_RUNNING :
           IDR_AURA_LAUNCHER_UNDERLINE_VERTICAL_RUNNING;
     }
 
     bar_->SetImage(rb.GetImageNamed(bar_id).ToImageSkia());
   }
 
@@ skipping 15 matching lines @@
       bar_->SetVerticalAlignment(views::ImageView::CENTER);
       break;
   }
 
   Layout();
   SchedulePaint();
 }
 
 }  // namespace internal
 }  // namespace ash