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2716e0d75b
While aborting conversion, we need to make sure there is no coversion task executing in the PDFium process before destroying it. MozReview-Commit-ID: 3Iqhe8KmYv2 --HG-- extra : rebase_source : 70d9f0b2e2986499e3061823e0c29830aa81d232 extra : source : 753ed705666fd4c55da456fb80604e4552d6bd52
83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=2 et :
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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 "PDFiumProcessParent.h"
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#include "nsIRunnable.h"
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#if defined(XP_WIN) && defined(MOZ_SANDBOX)
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#include "WinUtils.h"
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#endif
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#include "nsDeviceContextSpecWin.h"
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#include "PDFiumParent.h"
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using mozilla::ipc::GeckoChildProcessHost;
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namespace mozilla {
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namespace widget {
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PDFiumProcessParent::PDFiumProcessParent()
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: GeckoChildProcessHost(GeckoProcessType_PDFium)
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{
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MOZ_COUNT_CTOR(PDFiumProcessParent);
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}
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PDFiumProcessParent::~PDFiumProcessParent()
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{
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MOZ_COUNT_DTOR(PDFiumProcessParent);
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if (mPDFiumParentActor) {
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mPDFiumParentActor->Close();
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}
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}
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bool
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PDFiumProcessParent::Launch(PrintTargetEMF* aTarget)
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{
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mLaunchThread = NS_GetCurrentThread();
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if (!SyncLaunch()) {
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return false;
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}
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// Open the top level protocol for PDFium process.
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MOZ_ASSERT(!mPDFiumParentActor);
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mPDFiumParentActor = new PDFiumParent(aTarget);
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return mPDFiumParentActor->Init(GetChannel(),
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base::GetProcId(GetChildProcessHandle()));
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}
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void
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PDFiumProcessParent::Delete(bool aWaitingForEMFConversion)
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{
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if (aWaitingForEMFConversion) {
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// Can not kill the PDFium process yet since we are still waiting for a
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// EMF conversion response.
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mPDFiumParentActor->AbortConversion([this]() { Delete(false); });
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mPDFiumParentActor->Close();
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return;
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}
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// PDFiumProcessParent::Launch is not called, protocol is not created.
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// It is safe to destroy this object on any thread.
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if (!mLaunchThread) {
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delete this;
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return;
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}
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if (mLaunchThread == NS_GetCurrentThread()) {
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delete this;
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return;
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}
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mLaunchThread->Dispatch(
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NewNonOwningRunnableMethod<bool>("PDFiumProcessParent::Delete",
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this,
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&PDFiumProcessParent::Delete,
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false));
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}
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} // namespace widget
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} // namespace mozilla
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