ui/base/accelerators/accelerator_history.cc

   1 // Copyright 2014 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 "ui/base/accelerators/accelerator_history.h"
   6 #include "ui/events/event_constants.h"
   7
   8 namespace ui {
   9
  10 // ----------------------------------------------------------------------
  11 // Public Methods
  12 // ----------------------------------------------------------------------
  13
  14 AcceleratorHistory::AcceleratorHistory()
  15   : current_accelerator_(),
  16     previous_accelerator_() {
  17 }
  18
  19 AcceleratorHistory::~AcceleratorHistory() {
  20 }
  21
  22 void AcceleratorHistory::StoreCurrentAccelerator(
  23                             const Accelerator& accelerator) {
  24   if (accelerator != current_accelerator_) {
  25     previous_accelerator_ = current_accelerator_;
  26     current_accelerator_ = accelerator;
  27   }
  28 }
  29
  30 } // namespace ui