chrome/browser/sync_file_system/drive_backend/sync_task.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/sync_task.h"
   6
   7 #include "base/bind.h"
   8 #include "chrome/browser/sync_file_system/drive_backend/sync_task_manager.h"
   9 #include "chrome/browser/sync_file_system/drive_backend/sync_task_token.h"
  10 #include "chrome/browser/sync_file_system/drive_backend/task_dependency_manager.h"
  11
  12 namespace sync_file_system {
  13 namespace drive_backend {
  14
  15 namespace {
  16
  17 void CallRunExclusive(const base::WeakPtr<ExclusiveTask>& task,
  18                       scoped_ptr<SyncTaskToken> token) {
  19   if (task)
  20     task->RunExclusive(SyncTaskToken::WrapToCallback(token.Pass()));
  21 }
  22
  23 }  // namespace
  24
  25 ExclusiveTask::ExclusiveTask() : weak_ptr_factory_(this) {}
  26 ExclusiveTask::~ExclusiveTask() {}
  27
  28 void ExclusiveTask::RunPreflight(scoped_ptr<SyncTaskToken> token) {
  29   scoped_ptr<TaskBlocker> task_blocker(new TaskBlocker);
  30   task_blocker->exclusive = true;
  31
  32   SyncTaskManager::UpdateTaskBlocker(
  33       token.Pass(), task_blocker.Pass(),
  34       base::Bind(&CallRunExclusive, weak_ptr_factory_.GetWeakPtr()));
  35 }
  36
  37 }  // namespace drive_backend
  38 }  // namespace sync_file_system