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/* -*- Mode: C++; tab-width: 8; 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 "RemotePrintJobParent.h"
#include <fstream>
#include "gfxContext.h"
#include "mozilla/Attributes.h"
#include "mozilla/Unused.h"
#include "nsAppDirectoryServiceDefs.h"
#include "nsComponentManagerUtils.h"
#include "nsDirectoryServiceUtils.h"
#include "nsDeviceContext.h"
#include "nsIDeviceContextSpec.h"
#include "nsIPrintSettings.h"
#include "nsIWebProgressListener.h"
namespace mozilla {
namespace layout {
RemotePrintJobParent::RemotePrintJobParent(nsIPrintSettings* aPrintSettings)
: mPrintSettings(aPrintSettings)
{
MOZ_COUNT_CTOR(RemotePrintJobParent);
}
bool
RemotePrintJobParent::RecvInitializePrint(const nsString& aDocumentTitle,
const nsString& aPrintToFile,
const int32_t& aStartPage,
const int32_t& aEndPage)
{
nsresult rv = InitializePrintDevice(aDocumentTitle, aPrintToFile, aStartPage,
aEndPage);
if (NS_FAILED(rv)) {
Unused << SendPrintInitializationResult(rv);
Unused << Send__delete__(this);
return true;
}
mPrintTranslator.reset(new PrintTranslator(mPrintDeviceContext));
Unused << SendPrintInitializationResult(NS_OK);
return true;
}
nsresult
RemotePrintJobParent::InitializePrintDevice(const nsString& aDocumentTitle,
const nsString& aPrintToFile,
const int32_t& aStartPage,
const int32_t& aEndPage)
{
nsresult rv;
nsCOMPtr<nsIDeviceContextSpec> deviceContextSpec =
do_CreateInstance("@mozilla.org/gfx/devicecontextspec;1", &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = deviceContextSpec->Init(nullptr, mPrintSettings, false);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
mPrintDeviceContext = new nsDeviceContext();
rv = mPrintDeviceContext->InitForPrinting(deviceContextSpec);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = mPrintDeviceContext->BeginDocument(aDocumentTitle, aPrintToFile,
aStartPage, aEndPage);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return NS_OK;
}
bool
RemotePrintJobParent::RecvProcessPage(const nsCString& aPageFileName)
{
nsresult rv = PrintPage(aPageFileName);
if (NS_FAILED(rv)) {
Unused << SendAbortPrint(rv);
} else {
Unused << SendPageProcessed();
}
return true;
}
nsresult
RemotePrintJobParent::PrintPage(const nsCString& aPageFileName)
{
MOZ_ASSERT(mPrintDeviceContext);
nsresult rv = mPrintDeviceContext->BeginPage();
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsCOMPtr<nsIFile> recordingFile;
rv = NS_GetSpecialDirectory(NS_APP_CONTENT_PROCESS_TEMP_DIR,
getter_AddRefs(recordingFile));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = recordingFile->AppendNative(aPageFileName);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsAutoCString recordingPath;
rv = recordingFile->GetNativePath(recordingPath);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
std::ifstream recording(recordingPath.get(), std::ifstream::binary);
if (!mPrintTranslator->TranslateRecording(recording)) {
return NS_ERROR_FAILURE;
}
rv = mPrintDeviceContext->EndPage();
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
recording.close();
rv = recordingFile->Remove(/* recursive= */ false);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return NS_OK;
}
bool
RemotePrintJobParent::RecvFinalizePrint()
{
// EndDocument is sometimes called in the child even when BeginDocument has
// not been called. See bug 1223332.
if (mPrintDeviceContext) {
DebugOnly<nsresult> rv = mPrintDeviceContext->EndDocument();
// Too late to abort the child just log.
NS_WARNING_ASSERTION(NS_SUCCEEDED(rv), "EndDocument failed");
}
Unused << Send__delete__(this);
return true;
}
bool
RemotePrintJobParent::RecvAbortPrint(const nsresult& aRv)
{
if (mPrintDeviceContext) {
Unused << mPrintDeviceContext->AbortDocument();
}
Unused << Send__delete__(this);
return true;
}
bool
RemotePrintJobParent::RecvStateChange(const long& aStateFlags,
const nsresult& aStatus)
{
uint32_t numberOfListeners = mPrintProgressListeners.Length();
for (uint32_t i = 0; i < numberOfListeners; ++i) {
nsIWebProgressListener* listener = mPrintProgressListeners.SafeElementAt(i);
listener->OnStateChange(nullptr, nullptr, aStateFlags, aStatus);
}
return true;
}
bool
RemotePrintJobParent::RecvProgressChange(const long& aCurSelfProgress,
const long& aMaxSelfProgress,
const long& aCurTotalProgress,
const long& aMaxTotalProgress)
{
uint32_t numberOfListeners = mPrintProgressListeners.Length();
for (uint32_t i = 0; i < numberOfListeners; ++i) {
nsIWebProgressListener* listener = mPrintProgressListeners.SafeElementAt(i);
listener->OnProgressChange(nullptr, nullptr,
aCurSelfProgress, aMaxSelfProgress,
aCurTotalProgress, aMaxTotalProgress);
}
return true;
}
bool
RemotePrintJobParent::RecvStatusChange(const nsresult& aStatus)
{
uint32_t numberOfListeners = mPrintProgressListeners.Length();
for (uint32_t i = 0; i < numberOfListeners; ++i) {
nsIWebProgressListener* listener = mPrintProgressListeners.SafeElementAt(i);
listener->OnStatusChange(nullptr, nullptr, aStatus, nullptr);
}
return true;
}
void
RemotePrintJobParent::RegisterListener(nsIWebProgressListener* aListener)
{
MOZ_ASSERT(aListener);
mPrintProgressListeners.AppendElement(aListener);
}
already_AddRefed<nsIPrintSettings>
RemotePrintJobParent::GetPrintSettings()
{
nsCOMPtr<nsIPrintSettings> printSettings = mPrintSettings;
return printSettings.forget();
}
RemotePrintJobParent::~RemotePrintJobParent()
{
MOZ_COUNT_DTOR(RemotePrintJobParent);
}
void
RemotePrintJobParent::ActorDestroy(ActorDestroyReason aWhy)
{
}
} // namespace layout
} // namespace mozilla
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