chrome/browser/sync_file_system/drive_backend/callback_tracker.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 "chrome/browser/sync_file_system/drive_backend/callback_tracker.h"
   6
   7 #include <algorithm>
   8
   9 namespace sync_file_system {
  10 namespace drive_backend {
  11
  12 CallbackTracker::CallbackTracker() {
  13 }
  14
  15 CallbackTracker::~CallbackTracker() {
  16   AbortAll();
  17 }
  18
  19 void CallbackTracker::AbortAll() {
  20   AbortClosureByHelper helpers;
  21   std::swap(helpers, helpers_);
  22   for (AbortClosureByHelper::iterator itr = helpers.begin();
  23        itr != helpers.end(); ++itr) {
  24     delete itr->first;
  25     itr->second.Run();
  26   }
  27 }
  28
  29 scoped_ptr<internal::AbortHelper> CallbackTracker::PassAbortHelper(
  30     internal::AbortHelper* helper) {
  31   if (helpers_.erase(helper) == 1)
  32     return scoped_ptr<internal::AbortHelper>(helper);
  33   return nullptr;
  34 }
  35
  36 }  // namespace drive_backend
  37 }  // namespace sync_file_system