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Diffstat (limited to 'layout/printing/ipc/RemotePrintJobParent.cpp')
| -rw-r--r-- | layout/printing/ipc/RemotePrintJobParent.cpp | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/layout/printing/ipc/RemotePrintJobParent.cpp b/layout/printing/ipc/RemotePrintJobParent.cpp new file mode 100644 index 000000000..2f4dbd56e --- /dev/null +++ b/layout/printing/ipc/RemotePrintJobParent.cpp @@ -0,0 +1,244 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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" +#include "PrintTranslator.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 + + |