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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_frame/turndown_prompt/reshow_state.h"
      6 
      7 #include "base/win/registry.h"
      8 #include "chrome_frame/utils.h"
      9 
     10 namespace {
     11 
     12 const wchar_t kTurndownPromptLastShown[] = L"TurndownPromptLastShown";
     13 
     14 }
     15 
     16 namespace turndown_prompt {
     17 
     18 ReshowState::ReshowState(const base::TimeDelta& reshow_delta)
     19     : reshow_delta_(reshow_delta) {
     20 }
     21 
     22 ReshowState::~ReshowState() {
     23 }
     24 
     25 bool ReshowState::HasReshowDeltaExpired(const base::Time& current_time) const {
     26   int64 last_shown = GetConfigInt64(0LL, kTurndownPromptLastShown);
     27   if (!last_shown)
     28     return true;
     29 
     30   base::Time last_shown_time(base::Time::FromInternalValue(last_shown));
     31 
     32   return current_time - last_shown_time >= reshow_delta_;
     33 }
     34 
     35 void ReshowState::MarkShown(const base::Time& last_shown_time) {
     36   SetConfigInt64(kTurndownPromptLastShown, last_shown_time.ToInternalValue());
     37 }
     38 
     39 }  // namespace turndown_prompt
     40