Refactor cros library code into central location and have the UI elements obs...

views/controls/button/custom_button.cc

 // Copyright (c) 2009 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 "views/controls/button/custom_button.h"
 
 #include "app/throb_animation.h"
 #include "base/keyboard_codes.h"
 
 namespace views {
 
 // How long the hover animation takes if uninterrupted.
 static const int kHoverFadeDurationMs = 150;
 
 ////////////////////////////////////////////////////////////////////////////////
 // CustomButton, public:
 
 CustomButton::~CustomButton() {
 }
 
 void CustomButton::SetState(ButtonState state) {
-  if (state != state_) {
+  if (show_highlighted_ && state != state_) {
     if (animate_on_state_change_ || !hover_animation_->IsAnimating()) {
       animate_on_state_change_ = true;
       if (state_ == BS_NORMAL && state == BS_HOT) {
         // Button is hovered from a normal state, start hover animation.
         hover_animation_->Show();
       } else if (state_ == BS_HOT && state == BS_NORMAL) {
         // Button is returning to a normal state from hover, start hover
         // fade animation.
         hover_animation_->Hide();
       } else {
         hover_animation_->Stop();
       }
     }
 
     state_ = state;
     SchedulePaint();
   }
 }
 
 void CustomButton::StartThrobbing(int cycles_til_stop) {
   animate_on_state_change_ = false;
   hover_animation_->StartThrobbing(cycles_til_stop);
 }
 
 void CustomButton::SetAnimationDuration(int duration) {
   hover_animation_->SetSlideDuration(duration);
 }
 
+void CustomButton::SetShowHighlighted(bool show_highlighted) {
+  show_highlighted_ = show_highlighted;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // CustomButton, View overrides:
 
 void CustomButton::SetEnabled(bool enabled) {
   if (enabled && state_ == BS_DISABLED) {
     SetState(BS_NORMAL);
   } else if (!enabled && state_ != BS_DISABLED) {
     SetState(BS_DISABLED);
   }
 }
 
 bool CustomButton::IsEnabled() const {
   return state_ != BS_DISABLED;
 }
 
 bool CustomButton::IsFocusable() const {
   return (state_ != BS_DISABLED) && View::IsFocusable();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // CustomButton, protected:
 
 CustomButton::CustomButton(ButtonListener* listener)
     : Button(listener),
       state_(BS_NORMAL),
       animate_on_state_change_(true),
+      show_highlighted_(true),
       triggerable_event_flags_(MouseEvent::EF_LEFT_BUTTON_DOWN) {
   hover_animation_.reset(new ThrobAnimation(this));
   hover_animation_->SetSlideDuration(kHoverFadeDurationMs);
 }
 
 bool CustomButton::IsTriggerableEvent(const MouseEvent& e) {
   return (triggerable_event_flags_ & e.GetFlags()) != 0;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ skipping 170 matching lines @@
 
 bool CustomButton::IsHighlighted() const {
   return state_ == BS_HOT;
 }
 
 bool CustomButton::IsPushed() const {
   return state_ == BS_PUSHED;
 }
 
 }  // namespace views