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- // Copyright (c) 2011 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "printing/printing_context_no_system_dialog.h"
- #include <stdint.h>
- #include <unicode/ulocdata.h>
- #include <memory>
- #include <utility>
- #include "base/logging.h"
- #include "base/values.h"
- #include "printing/metafile.h"
- #include "printing/print_job_constants.h"
- #include "printing/units.h"
- namespace printing {
- #if !defined(USE_CUPS)
- // static
- std::unique_ptr<PrintingContext> PrintingContext::CreateImpl(
- Delegate* delegate,
- bool skip_system_calls) {
- return std::make_unique<PrintingContextNoSystemDialog>(delegate);
- }
- #endif // !defined(USE_CUPS)
- PrintingContextNoSystemDialog::PrintingContextNoSystemDialog(Delegate* delegate)
- : PrintingContext(delegate) {}
- PrintingContextNoSystemDialog::~PrintingContextNoSystemDialog() {
- ReleaseContext();
- }
- void PrintingContextNoSystemDialog::AskUserForSettings(
- int max_pages,
- bool has_selection,
- bool is_scripted,
- PrintSettingsCallback callback) {
- // We don't want to bring up a dialog here. Ever. Just signal the callback.
- std::move(callback).Run(mojom::ResultCode::kSuccess);
- }
- mojom::ResultCode PrintingContextNoSystemDialog::UseDefaultSettings() {
- DCHECK(!in_print_job_);
- ResetSettings();
- settings_->set_dpi(kDefaultPdfDpi);
- gfx::Size physical_size = GetPdfPaperSizeDeviceUnits();
- // Assume full page is printable for now.
- gfx::Rect printable_area(0, 0, physical_size.width(), physical_size.height());
- DCHECK_EQ(settings_->device_units_per_inch(), kDefaultPdfDpi);
- settings_->SetPrinterPrintableArea(physical_size, printable_area, true);
- return mojom::ResultCode::kSuccess;
- }
- gfx::Size PrintingContextNoSystemDialog::GetPdfPaperSizeDeviceUnits() {
- int32_t width = 0;
- int32_t height = 0;
- UErrorCode error = U_ZERO_ERROR;
- ulocdata_getPaperSize(delegate_->GetAppLocale().c_str(), &height, &width,
- &error);
- if (error > U_ZERO_ERROR) {
- // If the call failed, assume a paper size of 8.5 x 11 inches.
- LOG(WARNING) << "ulocdata_getPaperSize failed, using 8.5 x 11, error: "
- << error;
- width =
- static_cast<int>(kLetterWidthInch * settings_->device_units_per_inch());
- height = static_cast<int>(kLetterHeightInch *
- settings_->device_units_per_inch());
- } else {
- // ulocdata_getPaperSize returns the width and height in mm.
- // Convert this to pixels based on the dpi.
- float multiplier = settings_->device_units_per_inch() / kMicronsPerMil;
- width *= multiplier;
- height *= multiplier;
- }
- return gfx::Size(width, height);
- }
- mojom::ResultCode PrintingContextNoSystemDialog::UpdatePrinterSettings(
- const PrinterSettings& printer_settings) {
- DCHECK(!printer_settings.show_system_dialog);
- if (settings_->dpi() == 0)
- UseDefaultSettings();
- return mojom::ResultCode::kSuccess;
- }
- mojom::ResultCode PrintingContextNoSystemDialog::NewDocument(
- const std::u16string& document_name) {
- DCHECK(!in_print_job_);
- in_print_job_ = true;
- return mojom::ResultCode::kSuccess;
- }
- mojom::ResultCode PrintingContextNoSystemDialog::PrintDocument(
- const MetafilePlayer& metafile,
- const PrintSettings& settings,
- uint32_t num_pages) {
- if (abort_printing_)
- return mojom::ResultCode::kCanceled;
- DCHECK(in_print_job_);
- // Intentional No-op.
- return mojom::ResultCode::kSuccess;
- }
- mojom::ResultCode PrintingContextNoSystemDialog::DocumentDone() {
- if (abort_printing_)
- return mojom::ResultCode::kCanceled;
- DCHECK(in_print_job_);
- ResetSettings();
- return mojom::ResultCode::kSuccess;
- }
- void PrintingContextNoSystemDialog::Cancel() {
- abort_printing_ = true;
- in_print_job_ = false;
- }
- void PrintingContextNoSystemDialog::ReleaseContext() {
- // Intentional No-op.
- }
- printing::NativeDrawingContext PrintingContextNoSystemDialog::context() const {
- // Intentional No-op.
- return nullptr;
- }
- } // namespace printing
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