46 lines
1.6 KiB
C++
46 lines
1.6 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/DocShellMessageUtils.h"
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#include "mozilla/dom/DOMTypes.h"
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#include "mozilla/ipc/IPDLParamTraits.h"
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#include "nsSerializationHelper.h"
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namespace IPC {
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void ParamTraits<nsDocShellLoadState*>::Write(IPC::MessageWriter* aWriter,
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nsDocShellLoadState* aParam) {
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MOZ_RELEASE_ASSERT(aParam);
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WriteParam(aWriter, aParam->Serialize(aWriter->GetActor()));
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}
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bool ParamTraits<nsDocShellLoadState*>::Read(
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IPC::MessageReader* aReader, RefPtr<nsDocShellLoadState>* aResult) {
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mozilla::dom::DocShellLoadStateInit loadState;
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if (!ReadParam(aReader, &loadState)) {
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return false;
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}
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// Assert if we somehow don't have a URI in our IPDL type, because we can't
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// construct anything out of it. This mimics the assertion in the constructor
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// for nsDocShellLoadState, but makes it clearer that the
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// DocShellLoadStateInit IPC object can't be clearly converted into a
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// nsDocShellLoadState.
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if (!loadState.URI()) {
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MOZ_ASSERT_UNREACHABLE("no URI in load state from IPC");
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return false;
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}
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bool readSuccess = false;
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RefPtr result =
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new nsDocShellLoadState(loadState, aReader->GetActor(), &readSuccess);
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if (readSuccess) {
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*aResult = result.forget();
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}
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return readSuccess;
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}
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} // namespace IPC
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