content/browser/background_sync/background_sync_registration_handle.h - Issue 1763123002: [BackgroundSync] Remove BackgroundSyncRegistrationHandle

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Issue 1763123002: [BackgroundSync] Remove BackgroundSyncRegistrationHandle (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Address comments from PS7 Created 4 years, 9 months ago

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1 // Copyright 2015 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 CONTENT_BROWSER_BACKGROUND_SYNC_BACKGROUND_SYNC_REGISTRATION_HANDLE_H_

6 #define CONTENT_BROWSER_BACKGROUND_SYNC_BACKGROUND_SYNC_REGISTRATION_HANDLE_H_

7

8 #include <stdint.h>

9

10 #include "base/callback.h"

11 #include "base/logging.h"

12 #include "base/macros.h"

13 #include "base/memory/weak_ptr.h"

14 #include "content/browser/background_sync/background_sync_registration.h"

15 #include "content/browser/background_sync/background_sync_status.h"

16 #include "content/common/background_sync_service.mojom.h"

17 #include "content/common/content_export.h"

18

19 namespace content {

20

21 class BackgroundSyncManager;

22

23 // Handle to BackgroundSyncRegistration that is exposed to clients. Each

24 // BackgroundSyncRegistrationHandle is given a unique handle id (by the

25 // BackgroundSyncManager) which is released at destruction.

26 // BackgroundSyncRegistrationHandle objects must not be used (but may be

27 // destroyed) after the BackgroundSyncManager has been deleted.

28 class CONTENT_EXPORT BackgroundSyncRegistrationHandle {

29 public:

30 using HandleId = int64_t;

31 using StatusCallback = base::Callback<void(BackgroundSyncStatus)>;

32 using StatusAndStateCallback =

33 base::Callback<void(BackgroundSyncStatus, BackgroundSyncState)>;

34

35 ~BackgroundSyncRegistrationHandle();

36

37 const BackgroundSyncRegistrationOptions* options() const {

38 DCHECK(background_sync_manager_);

39 return registration_->options();

40 }

41

42 BackgroundSyncState sync_state() const {

43 DCHECK(background_sync_manager_);

44 return registration_->sync_state();

45 }

46

47 // Returns true if the handle is backed by a BackgroundSyncRegistration in the

48 // BackgroundSyncManager.

49 bool IsValid() const;

50

51 HandleId handle_id() const { return handle_id_; }

52

53 private:

54 friend class BackgroundSyncManager;

55

56 BackgroundSyncRegistrationHandle(

57 base::WeakPtr<BackgroundSyncManager> background_sync_manager,

58 HandleId handle_id);

59

60 BackgroundSyncRegistration* registration() {

61 DCHECK(background_sync_manager_);

62 return registration_;

63 }

64

65 // The BackgroundSyncManager is expected to remain alive for all operations

66 // except for possibly at destruction.

67 base::WeakPtr<BackgroundSyncManager> background_sync_manager_;

68

69 // Each BackgroundSyncRegistrationHandle is assigned a unique handle id.

70 // The BackgroundSyncManager maps the id to an internal pointer.

71 HandleId handle_id_;

72

73 // This is owned by background_sync_manager_ and is valid until handle_id_ is

74 // released in the destructor or background_sync_manager_ has been destroyed.

75 BackgroundSyncRegistration* registration_;

76

77 DISALLOW_COPY_AND_ASSIGN(BackgroundSyncRegistrationHandle);

78 };

79

80 } // namespace

81

82 #endif // CONTENT_BROWSER_BACKGROUND_SYNC_BACKGROUND_SYNC_REGISTRATION_HANDLE_H _

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