forked from mirrors/gecko-dev
6f25ba1878
We integrate PrintTargetEMF with the PDFium process to convert PDF into EMF in this patch. MozReview-Commit-ID: 5F0setrL94n --HG-- extra : rebase_source : 1e52adbbe7502ca081c7029a15e4b3f486beb284 extra : source : 28f1671230fa70125e6971c9a287cb0658b89496
76 lines
1.8 KiB
C++
76 lines
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* 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/. */
|
|
|
|
#include "PDFiumChild.h"
|
|
#include "nsLocalFile.h"
|
|
#include "mozilla/widget/PDFViaEMFPrintHelper.h"
|
|
|
|
namespace mozilla {
|
|
namespace widget {
|
|
|
|
PDFiumChild::PDFiumChild()
|
|
{
|
|
}
|
|
|
|
PDFiumChild::~PDFiumChild()
|
|
{
|
|
}
|
|
|
|
bool
|
|
PDFiumChild::Init(base::ProcessId aParentPid,
|
|
MessageLoop* aIOLoop,
|
|
IPC::Channel* aChannel)
|
|
{
|
|
if (NS_WARN_IF(!Open(aChannel, aParentPid, aIOLoop))) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
mozilla::ipc::IPCResult
|
|
PDFiumChild::RecvConvertToEMF(const FileDescriptor& aFD,
|
|
const int& aPageWidth,
|
|
const int& aPageHeight)
|
|
{
|
|
MOZ_ASSERT(aFD.IsValid() && aPageWidth != 0 && aPageHeight != 0);
|
|
|
|
ipc::Shmem smem;
|
|
PDFViaEMFPrintHelper convertor;
|
|
if (NS_FAILED(convertor.OpenDocument(aFD))) {
|
|
Unused << SendConvertToEMFDone(NS_ERROR_FAILURE, smem);
|
|
return IPC_OK();
|
|
}
|
|
|
|
MOZ_ASSERT(convertor.GetPageCount() == 1, "we assume each given PDF contains" "one page only");
|
|
|
|
if (!convertor.SavePageToBuffer(0, aPageWidth, aPageHeight, smem, this)) {
|
|
Unused << SendConvertToEMFDone(NS_ERROR_FAILURE, smem);
|
|
return IPC_OK();
|
|
}
|
|
|
|
if (!smem.IsReadable()) {
|
|
Unused << SendConvertToEMFDone(NS_ERROR_FAILURE, smem);
|
|
return IPC_OK();
|
|
}
|
|
|
|
Unused << SendConvertToEMFDone(NS_OK, smem);
|
|
return IPC_OK();
|
|
}
|
|
|
|
void
|
|
PDFiumChild::OnChannelConnected(int32_t pid)
|
|
{
|
|
SetOtherProcessId(pid);
|
|
}
|
|
|
|
void
|
|
PDFiumChild::ActorDestroy(ActorDestroyReason why)
|
|
{
|
|
XRE_ShutdownChildProcess();
|
|
}
|
|
|
|
} // namespace widget
|
|
} // namespace mozilla
|