The Tor Browser: dom/bindings/OwningNonNull.h@129ffea94266

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

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

     2 /* vim: set ts=8 sts=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

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

     7 /* A class for non-null strong pointers to reference-counted objects. */

     9 #ifndef mozilla_dom_OwningNonNull_h

    10 #define mozilla_dom_OwningNonNull_h

    12 #include "nsAutoPtr.h"

    14 namespace mozilla {

    15 namespace dom {

    17 template<class T>

    18 class OwningNonNull

    19 {

    20 public:

    21   OwningNonNull()

    22 #ifdef DEBUG

    23     : mInited(false)

    24 #endif

    25   {}

    27   operator T&()

    28   {

    29     MOZ_ASSERT(mInited);

    30     MOZ_ASSERT(mPtr, "OwningNonNull<T> was set to null");

    31     return *mPtr;

    32   }

    34   operator T*()

    35   {

    36     MOZ_ASSERT(mInited);

    37     MOZ_ASSERT(mPtr, "OwningNonNull<T> was set to null");

    38     return mPtr;

    39   }

    41   void operator=(T* aValue)

    42   {

    43     init(aValue);

    44   }

    46   void operator=(const already_AddRefed<T>& aValue)

    47   {

    48     init(aValue);

    49   }

    51   already_AddRefed<T> forget()

    52   {

    53 #ifdef DEBUG

    54     mInited = false;

    55 #endif

    56     return mPtr.forget();

    57   }

    59   // Make us work with smart pointer helpers that expect a get().

    60   T* get() const

    61   {

    62     MOZ_ASSERT(mInited);

    63     MOZ_ASSERT(mPtr);

    64     return mPtr;

    65   }

    67 protected:

    68   template<typename U>

    69   void init(U aValue)

    70   {

    71     mPtr = aValue;

    72     MOZ_ASSERT(mPtr);

    73 #ifdef DEBUG

    74     mInited = true;

    75 #endif

    76   }

    78   nsRefPtr<T> mPtr;

    79 #ifdef DEBUG

    80   bool mInited;

    81 #endif

    82 };

    84 } // namespace dom

    85 } // namespace mozilla

    87 #endif // mozilla_dom_OwningNonNull_h

The Tor Browser / file revision

dom/bindings/OwningNonNull.h@129ffea94266

dom/bindings/OwningNonNull.h