mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/PermissionMessageUtils.h"
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#include "nsISerializable.h"
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#include "nsSerializationHelper.h"
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namespace IPC {
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void
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ParamTraits<Principal>::Write(Message* aMsg, const paramType& aParam) {
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bool isNull = !aParam.mPrincipal;
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WriteParam(aMsg, isNull);
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if (isNull) {
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return;
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}
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bool isSerialized = false;
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nsCString principalString;
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nsCOMPtr<nsISerializable> serializable = do_QueryInterface(aParam.mPrincipal);
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if (serializable) {
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nsresult rv = NS_SerializeToString(serializable, principalString);
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if (NS_SUCCEEDED(rv)) {
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isSerialized = true;
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}
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}
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if (!isSerialized) {
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NS_RUNTIMEABORT("Unable to serialize principal.");
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return;
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}
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WriteParam(aMsg, principalString);
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}
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bool
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ParamTraits<Principal>::Read(const Message* aMsg, void** aIter, paramType* aResult)
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{
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bool isNull;
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if (!ReadParam(aMsg, aIter, &isNull)) {
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return false;
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}
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if (isNull) {
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aResult->mPrincipal = nullptr;
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return true;
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}
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nsCString principalString;
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if (!ReadParam(aMsg, aIter, &principalString)) {
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return false;
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}
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nsCOMPtr<nsISupports> iSupports;
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nsresult rv = NS_DeserializeObject(principalString, getter_AddRefs(iSupports));
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NS_ENSURE_SUCCESS(rv, false);
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nsCOMPtr<nsIPrincipal> principal = do_QueryInterface(iSupports);
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NS_ENSURE_TRUE(principal, false);
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principal.swap(aResult->mPrincipal);
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return true;
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}
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} // namespace IPC
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