chrome/browser/ui/translate/translate_bubble_view_state_transition.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/ui/translate/translate_bubble_view_state_transition.h"
   6
   7 #include "base/logging.h"
   8
   9 TranslateBubbleViewStateTransition::TranslateBubbleViewStateTransition(
  10     TranslateBubbleModel::ViewState view_state)
  11     : view_state_(view_state),
  12       view_state_before_advanced_view_(view_state) {
  13   // The initial view type must not be 'Advanced'.
  14   DCHECK_NE(TranslateBubbleModel::VIEW_STATE_ADVANCED, view_state_);
  15 }
  16
  17 void TranslateBubbleViewStateTransition::SetViewState(
  18     TranslateBubbleModel::ViewState view_state) {
  19   view_state_ = view_state;
  20   if (view_state != TranslateBubbleModel::VIEW_STATE_ADVANCED)
  21     view_state_before_advanced_view_ = view_state;
  22 }
  23
  24 void TranslateBubbleViewStateTransition::GoBackFromAdvanced() {
  25   DCHECK(view_state_ == TranslateBubbleModel::VIEW_STATE_ADVANCED);
  26   SetViewState(view_state_before_advanced_view_);
  27 }