The Tor Browser: dom/datastore/DataStoreCursor.cpp@97036ab72558

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

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

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

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

     5 #include "mozilla/dom/DataStore.h"

     6 #include "mozilla/dom/DataStoreCursor.h"

     7 #include "mozilla/dom/DataStoreBinding.h"

     8 #include "mozilla/dom/DataStoreImplBinding.h"

     9 #include "mozilla/dom/Promise.h"

    10 #include "mozilla/ErrorResult.h"

    11 #include "nsPIDOMWindow.h"

    13 namespace mozilla {

    14 namespace dom {

    16 NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(DataStoreCursor, AddRef)

    17 NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(DataStoreCursor, Release)

    19 NS_IMPL_CYCLE_COLLECTION(DataStoreCursor, mCursor)

    21 already_AddRefed<DataStoreCursor>

    22 DataStoreCursor::Constructor(GlobalObject& aGlobal, ErrorResult& aRv)

    23 {

    24   nsRefPtr<DataStoreCursor> cursor = new DataStoreCursor();

    25   return cursor.forget();

    26 }

    28 JSObject*

    29 DataStoreCursor::WrapObject(JSContext* aCx)

    30 {

    31   return DataStoreCursorBinding::Wrap(aCx, this);

    32 }

    34 already_AddRefed<DataStore>

    35 DataStoreCursor::GetStore(ErrorResult& aRv)

    36 {

    37   MOZ_ASSERT(NS_IsMainThread());

    38   MOZ_ASSERT(mCursor);

    40   return mCursor->GetStore(aRv);

    41 }

    43 already_AddRefed<Promise>

    44 DataStoreCursor::Next(ErrorResult& aRv)

    45 {

    46   MOZ_ASSERT(NS_IsMainThread());

    47   MOZ_ASSERT(mCursor);

    49   return mCursor->Next(aRv);

    50 }

    52 void

    53 DataStoreCursor::Close(ErrorResult& aRv)

    54 {

    55   MOZ_ASSERT(NS_IsMainThread());

    56   MOZ_ASSERT(mCursor);

    58   mCursor->Close(aRv);

    59 }

    61 void

    62 DataStoreCursor::SetDataStoreCursorImpl(DataStoreCursorImpl& aCursor)

    63 {

    64   MOZ_ASSERT(NS_IsMainThread());

    65   MOZ_ASSERT(!mCursor);

    67   mCursor = &aCursor;

    68 }

    70 } //namespace dom

    71 } //namespace mozilla

The Tor Browser / file revision

dom/datastore/DataStoreCursor.cpp@97036ab72558

dom/datastore/DataStoreCursor.cpp