The Tor Browser: dom/quota/UsageInfo.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim: set ts=2 et sw=2 tw=80: */

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

     5  * You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #ifndef mozilla_dom_quota_usageinfo_h__

     8 #define mozilla_dom_quota_usageinfo_h__

    10 #include "mozilla/dom/quota/QuotaCommon.h"

    12 #include "mozilla/Atomics.h"

    13 #include "Utilities.h"

    15 BEGIN_QUOTA_NAMESPACE

    17 class UsageInfo

    18 {

    19 public:

    20   UsageInfo()

    21   : mCanceled(false), mDatabaseUsage(0), mFileUsage(0)

    22   { }

    24   virtual ~UsageInfo()

    25   { }

    27   bool

    28   Canceled()

    29   {

    30     return mCanceled;

    31   }

    33   void

    34   AppendToDatabaseUsage(uint64_t aUsage)

    35   {

    36     IncrementUsage(&mDatabaseUsage, aUsage);

    37   }

    39   void

    40   AppendToFileUsage(uint64_t aUsage)

    41   {

    42     IncrementUsage(&mFileUsage, aUsage);

    43   }

    45   uint64_t

    46   DatabaseUsage()

    47   {

    48     return mDatabaseUsage;

    49   }

    51   uint64_t

    52   FileUsage()

    53   {

    54     return mFileUsage;

    55   }

    57   uint64_t

    58   TotalUsage()

    59   {

    60     uint64_t totalUsage = mDatabaseUsage;

    61     IncrementUsage(&totalUsage, mFileUsage);

    62     return totalUsage;

    63   }

    65   void

    66   ResetUsage()

    67   {

    68     mDatabaseUsage = 0;

    69     mFileUsage = 0;

    70   }

    72 protected:

    73   mozilla::Atomic<bool> mCanceled;

    75 private:

    76   uint64_t mDatabaseUsage;

    77   uint64_t mFileUsage;

    78 };

    80 END_QUOTA_NAMESPACE

    82 #endif // mozilla_dom_quota_usageinfo_h__

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