| // 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 <unicode/ulocdata.h> |
| |
| #include "base/logging.h" |
| #include "base/values.h" |
| #include "printing/metafile.h" |
| #include "printing/print_job_constants.h" |
| #include "printing/units.h" |
| |
| namespace printing { |
| |
| // static |
| scoped_ptr<PrintingContext> PrintingContext::Create(Delegate* delegate) { |
| return make_scoped_ptr<PrintingContext>( |
| new PrintingContextNoSystemDialog(delegate)); |
| } |
| |
| PrintingContextNoSystemDialog::PrintingContextNoSystemDialog(Delegate* delegate) |
| : PrintingContext(delegate) { |
| } |
| |
| PrintingContextNoSystemDialog::~PrintingContextNoSystemDialog() { |
| ReleaseContext(); |
| } |
| |
| void PrintingContextNoSystemDialog::AskUserForSettings( |
| int max_pages, |
| bool has_selection, |
| bool is_scripted, |
| const PrintSettingsCallback& callback) { |
| // We don't want to bring up a dialog here. Ever. Just signal the callback. |
| callback.Run(OK); |
| } |
| |
| PrintingContext::Result 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 OK; |
| } |
| |
| 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 = 100 * settings_.device_units_per_inch(); |
| multiplier /= kHundrethsMMPerInch; |
| width *= multiplier; |
| height *= multiplier; |
| } |
| return gfx::Size(width, height); |
| } |
| |
| PrintingContext::Result PrintingContextNoSystemDialog::UpdatePrinterSettings( |
| bool external_preview, |
| bool show_system_dialog) { |
| DCHECK(!show_system_dialog); |
| |
| if (settings_.dpi() == 0) |
| UseDefaultSettings(); |
| |
| return OK; |
| } |
| |
| PrintingContext::Result PrintingContextNoSystemDialog::InitWithSettings( |
| const PrintSettings& settings) { |
| DCHECK(!in_print_job_); |
| |
| settings_ = settings; |
| |
| return OK; |
| } |
| |
| PrintingContext::Result PrintingContextNoSystemDialog::NewDocument( |
| const base::string16& document_name) { |
| DCHECK(!in_print_job_); |
| in_print_job_ = true; |
| |
| return OK; |
| } |
| |
| PrintingContext::Result PrintingContextNoSystemDialog::NewPage() { |
| if (abort_printing_) |
| return CANCEL; |
| DCHECK(in_print_job_); |
| |
| // Intentional No-op. |
| |
| return OK; |
| } |
| |
| PrintingContext::Result PrintingContextNoSystemDialog::PageDone() { |
| if (abort_printing_) |
| return CANCEL; |
| DCHECK(in_print_job_); |
| |
| // Intentional No-op. |
| |
| return OK; |
| } |
| |
| PrintingContext::Result PrintingContextNoSystemDialog::DocumentDone() { |
| if (abort_printing_) |
| return CANCEL; |
| DCHECK(in_print_job_); |
| |
| ResetSettings(); |
| return OK; |
| } |
| |
| void PrintingContextNoSystemDialog::Cancel() { |
| abort_printing_ = true; |
| in_print_job_ = false; |
| } |
| |
| void PrintingContextNoSystemDialog::ReleaseContext() { |
| // Intentional No-op. |
| } |
| |
| gfx::NativeDrawingContext PrintingContextNoSystemDialog::context() const { |
| // Intentional No-op. |
| return NULL; |
| } |
| |
| } // namespace printing |
| |