xpcom/glue/HoldDropJSObjects.h

Sat, 03 Jan 2015 20:18:00 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Sat, 03 Jan 2015 20:18:00 +0100
branch
TOR_BUG_3246
changeset 7
129ffea94266
permissions
-rw-r--r--

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.

michael@0 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
michael@0 3 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 6
michael@0 7 #ifndef mozilla_HoldDropJSObjects_h
michael@0 8 #define mozilla_HoldDropJSObjects_h
michael@0 9
michael@0 10 #include "mozilla/TypeTraits.h"
michael@0 11 #include "nsCycleCollectionParticipant.h"
michael@0 12
michael@0 13 class nsISupports;
michael@0 14 class nsScriptObjectTracer;
michael@0 15
michael@0 16 // Only HoldJSObjects and DropJSObjects should be called directly.
michael@0 17
michael@0 18 namespace mozilla {
michael@0 19 namespace cyclecollector {
michael@0 20
michael@0 21 // These methods are defined in nsCycleCollector.cpp
michael@0 22 void HoldJSObjectsImpl(void* aHolder, nsScriptObjectTracer* aTracer);
michael@0 23 void HoldJSObjectsImpl(nsISupports* aHolder);
michael@0 24 void DropJSObjectsImpl(void* aHolder);
michael@0 25 void DropJSObjectsImpl(nsISupports* aHolder);
michael@0 26
michael@0 27 } // namespace cyclecollector
michael@0 28
michael@0 29
michael@0 30 template<class T, bool isISupports=IsBaseOf<nsISupports, T>::value>
michael@0 31 struct HoldDropJSObjectsHelper
michael@0 32 {
michael@0 33 static void Hold(T* aHolder)
michael@0 34 {
michael@0 35 cyclecollector::HoldJSObjectsImpl(aHolder, NS_CYCLE_COLLECTION_PARTICIPANT(T));
michael@0 36 }
michael@0 37 static void Drop(T* aHolder)
michael@0 38 {
michael@0 39 cyclecollector::DropJSObjectsImpl(aHolder);
michael@0 40 }
michael@0 41 };
michael@0 42
michael@0 43 template<class T>
michael@0 44 struct HoldDropJSObjectsHelper<T, true>
michael@0 45 {
michael@0 46 static void Hold(T* aHolder)
michael@0 47 {
michael@0 48 cyclecollector::HoldJSObjectsImpl(ToSupports(aHolder));
michael@0 49 }
michael@0 50 static void Drop(T* aHolder)
michael@0 51 {
michael@0 52 cyclecollector::DropJSObjectsImpl(ToSupports(aHolder));
michael@0 53 }
michael@0 54 };
michael@0 55
michael@0 56
michael@0 57 template<class T>
michael@0 58 void HoldJSObjects(T* aHolder)
michael@0 59 {
michael@0 60 HoldDropJSObjectsHelper<T>::Hold(aHolder);
michael@0 61 }
michael@0 62
michael@0 63 template<class T>
michael@0 64 void DropJSObjects(T* aHolder)
michael@0 65 {
michael@0 66 HoldDropJSObjectsHelper<T>::Drop(aHolder);
michael@0 67 }
michael@0 68
michael@0 69 } // namespace mozilla
michael@0 70
michael@0 71 #endif // mozilla_HoldDropJSObjects_h

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