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In order to generate tagged PDF later, we need the ability to associate printed content with semantic document content. The BrowsingContext id is the easiest way to do this without too much coupling of modules. Differential Revision: https://phabricator.services.mozilla.com/D285957
102 lines
3.1 KiB
C++
102 lines
3.1 KiB
C++
/* 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 "nsDeviceContextAndroid.h"
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#include "mozilla/gfx/PrintTargetPDF.h"
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#include "mozilla/RefPtr.h"
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#include "nsComponentManagerUtils.h"
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#include "nsString.h"
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#include "nsIFile.h"
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#include "nsIFileStreams.h"
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#include "nsIPrintSettings.h"
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#include "nsIFileStreams.h"
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#include "nsDirectoryServiceDefs.h"
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#include "nsAnonymousTemporaryFile.h"
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using namespace mozilla;
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using namespace mozilla::gfx;
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NS_IMPL_ISUPPORTS(nsDeviceContextSpecAndroid, nsIDeviceContextSpec)
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nsDeviceContextSpecAndroid::~nsDeviceContextSpecAndroid() {
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if (mTempFile) {
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mTempFile->Remove(false);
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}
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}
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already_AddRefed<PrintTarget> nsDeviceContextSpecAndroid::MakePrintTarget() {
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double width, height;
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mPrintSettings->GetEffectiveSheetSize(&width, &height);
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// convert twips to points
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width /= TWIPS_PER_POINT_FLOAT;
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height /= TWIPS_PER_POINT_FLOAT;
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auto stream = [&]() -> nsCOMPtr<nsIOutputStream> {
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if (mPrintSettings->GetOutputDestination() ==
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nsIPrintSettings::kOutputDestinationStream) {
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nsCOMPtr<nsIOutputStream> out;
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mPrintSettings->GetOutputStream(getter_AddRefs(out));
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return out;
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}
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if (NS_FAILED(
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NS_OpenAnonymousTemporaryNsIFile(getter_AddRefs(mTempFile)))) {
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return nullptr;
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}
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// Print to printer not supported...
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nsCOMPtr<nsIFileOutputStream> s =
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do_CreateInstance("@mozilla.org/network/file-output-stream;1");
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if (NS_FAILED(s->Init(mTempFile, -1, -1, 0))) {
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return nullptr;
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}
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return s;
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}();
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return PrintTargetPDF::CreateOrNull(stream, IntSize::Ceil(width, height));
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}
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NS_IMETHODIMP
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nsDeviceContextSpecAndroid::Init(nsIPrintSettings* aPS, bool aIsPrintPreview) {
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mPrintSettings = aPS;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDeviceContextSpecAndroid::BeginDocument(const nsAString& aTitle,
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const nsAString& aPrintToFileName,
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uint64_t aBrowsingContextId,
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int32_t aStartPage,
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int32_t aEndPage) {
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return NS_OK;
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}
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RefPtr<PrintEndDocumentPromise> nsDeviceContextSpecAndroid::EndDocument() {
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return nsIDeviceContextSpec::EndDocumentPromiseFromResult(DoEndDocument(),
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__func__);
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}
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NS_IMETHODIMP
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nsDeviceContextSpecAndroid::DoEndDocument() {
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if (mPrintSettings->GetOutputDestination() ==
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nsIPrintSettings::kOutputDestinationFile &&
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mTempFile) {
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nsAutoString targetPath;
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mPrintSettings->GetToFileName(targetPath);
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nsCOMPtr<nsIFile> destFile;
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MOZ_TRY(NS_NewLocalFile(targetPath, getter_AddRefs(destFile)));
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nsAutoString destLeafName;
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MOZ_TRY(destFile->GetLeafName(destLeafName));
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nsCOMPtr<nsIFile> destDir;
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MOZ_TRY(destFile->GetParent(getter_AddRefs(destDir)));
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MOZ_TRY(mTempFile->MoveTo(destDir, destLeafName));
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destFile->SetPermissions(0666);
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mTempFile = nullptr;
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}
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return NS_OK;
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}
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