chrome/browser/sync_file_system/drive_backend/sync_task.h

   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 #ifndef CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_TASK_H_
   6 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_TASK_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/memory/weak_ptr.h"
  10 #include "chrome/browser/sync_file_system/sync_callbacks.h"
  11
  12 namespace sync_file_system {
  13 namespace drive_backend {
  14
  15 class SyncTaskToken;
  16
  17 class SyncTask {
  18  public:
  19   SyncTask() : used_network_(false) {}
  20   virtual ~SyncTask() {}
  21   virtual void RunPreflight(scoped_ptr<SyncTaskToken> token) = 0;
  22
  23   bool used_network() { return used_network_; }
  24
  25  protected:
  26   void set_used_network(bool used_network) {
  27     used_network_ = used_network;
  28   }
  29
  30  private:
  31   bool used_network_;
  32
  33   DISALLOW_COPY_AND_ASSIGN(SyncTask);
  34 };
  35
  36 class ExclusiveTask : public SyncTask {
  37  public:
  38   ExclusiveTask();
  39   ~ExclusiveTask() override;
  40
  41   void RunPreflight(scoped_ptr<SyncTaskToken> token) final;
  42   virtual void RunExclusive(const SyncStatusCallback& callback) = 0;
  43
  44  private:
  45   base::WeakPtrFactory<ExclusiveTask> weak_ptr_factory_;
  46
  47   DISALLOW_COPY_AND_ASSIGN(ExclusiveTask);
  48 };
  49
  50 }  // namespace drive_backend
  51 }  // namespace sync_file_system
  52
  53 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_SYNC_TASK_H_