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      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/webui/chromeos/first_run/first_run_actor.h"
      6 
      7 #include <limits>
      8 
      9 #include "base/values.h"
     10 
     11 namespace {
     12 const int kNoneValue = std::numeric_limits<int>::min();
     13 }
     14 
     15 namespace chromeos {
     16 
     17 FirstRunActor::StepPosition::StepPosition()
     18     : top_(kNoneValue),
     19       right_(kNoneValue),
     20       bottom_(kNoneValue),
     21       left_(kNoneValue) {
     22 }
     23 
     24 FirstRunActor::StepPosition& FirstRunActor::StepPosition::SetTop(int top) {
     25   top_ = top;
     26   return *this;
     27 }
     28 
     29 FirstRunActor::StepPosition& FirstRunActor::StepPosition::SetRight(int right) {
     30   right_ = right;
     31   return *this;
     32 }
     33 
     34 FirstRunActor::StepPosition&
     35 FirstRunActor::StepPosition::SetBottom(int bottom) {
     36   bottom_ = bottom;
     37   return *this;
     38 }
     39 
     40 FirstRunActor::StepPosition& FirstRunActor::StepPosition::SetLeft(int left) {
     41   left_ = left;
     42   return *this;
     43 }
     44 
     45 scoped_ptr<base::DictionaryValue> FirstRunActor::StepPosition::AsValue() const {
     46   base::DictionaryValue* result = new base::DictionaryValue();
     47   if (top_ != kNoneValue)
     48     result->SetInteger("top", top_);
     49   if (right_ != kNoneValue)
     50     result->SetInteger("right", right_);
     51   if (bottom_ != kNoneValue)
     52     result->SetInteger("bottom", bottom_);
     53   if (left_ != kNoneValue)
     54     result->SetInteger("left", left_);
     55   return make_scoped_ptr(result);
     56 }
     57 
     58 FirstRunActor::FirstRunActor()
     59     : delegate_(NULL) {
     60 }
     61 
     62 FirstRunActor::~FirstRunActor() {
     63   if (delegate())
     64     delegate()->OnActorDestroyed();
     65   delegate_ = NULL;
     66 }
     67 
     68 }  // namespace chromeos
     69 
     70