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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /dom/ipc/IdType.h | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/ipc/IdType.h')
-rw-r--r-- | dom/ipc/IdType.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/dom/ipc/IdType.h b/dom/ipc/IdType.h new file mode 100644 index 000000000..b683178eb --- /dev/null +++ b/dom/ipc/IdType.h @@ -0,0 +1,73 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_dom_IdType_h +#define mozilla_dom_IdType_h + +#include "ipc/IPCMessageUtils.h" + +namespace IPC { +template<typename T> struct ParamTraits; +} // namespace IPC + +namespace mozilla { +namespace dom { +class ContentParent; +class TabParent; + + +template<typename T> +class IdType +{ + friend struct IPC::ParamTraits<IdType<T>>; + +public: + IdType() : mId(0) {} + explicit IdType(uint64_t aId) : mId(aId) {} + + operator uint64_t() const { return mId; } + + IdType& operator=(uint64_t aId) + { + mId = aId; + return *this; + } + + bool operator<(const IdType& rhs) + { + return mId < rhs.mId; + } +private: + uint64_t mId; +}; + +typedef IdType<TabParent> TabId; +typedef IdType<ContentParent> ContentParentId; + +} // namespace dom +} // namespace mozilla + +namespace IPC { + +template<typename T> +struct ParamTraits<mozilla::dom::IdType<T>> +{ + typedef mozilla::dom::IdType<T> paramType; + + static void Write(Message* aMsg, const paramType& aParam) + { + WriteParam(aMsg, aParam.mId); + } + + static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult) + { + return ReadParam(aMsg, aIter, &aResult->mId); + } +}; + +} // namespace IPC + +#endif // mozilla_dom_IdType_h |