| // Copyright 2014 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "printing/printing_context_linux.h" |
| |
| #include <memory> |
| #include <utility> |
| |
| #include "base/check.h" |
| #include "base/notreached.h" |
| #include "base/values.h" |
| #include "build/buildflag.h" |
| #include "printing/buildflags/buildflags.h" |
| #include "printing/metafile.h" |
| #include "printing/mojom/print.mojom.h" |
| #include "printing/print_dialog_linux_interface.h" |
| #include "printing/print_job_constants.h" |
| #include "printing/units.h" |
| |
| #if BUILDFLAG(ENABLE_OOP_PRINTING_NO_OOP_BASIC_PRINT_DIALOG) |
| #include "printing/printing_features.h" |
| #endif |
| |
| // Avoid using LinuxUi on Fuchsia. |
| #if BUILDFLAG(IS_LINUX) |
| #include "ui/linux/linux_ui.h" |
| #endif |
| |
| namespace printing { |
| |
| // static |
| std::unique_ptr<PrintingContext> PrintingContext::CreateImpl( |
| Delegate* delegate, |
| ProcessBehavior process_behavior) { |
| return std::make_unique<PrintingContextLinux>(delegate, process_behavior); |
| } |
| |
| PrintingContextLinux::PrintingContextLinux(Delegate* delegate, |
| ProcessBehavior process_behavior) |
| : PrintingContext(delegate, process_behavior), print_dialog_(nullptr) {} |
| |
| PrintingContextLinux::~PrintingContextLinux() { |
| ReleaseContext(); |
| |
| if (print_dialog_) |
| print_dialog_.ExtractAsDangling()->ReleaseDialog(); |
| } |
| |
| void PrintingContextLinux::AskUserForSettings(int max_pages, |
| bool has_selection, |
| bool is_scripted, |
| PrintSettingsCallback callback) { |
| if (!print_dialog_) { |
| // Can only get here if the renderer is sending bad messages. |
| // http://crbug.com/341777 |
| NOTREACHED(); |
| std::move(callback).Run(mojom::ResultCode::kFailed); |
| return; |
| } |
| |
| print_dialog_->ShowDialog(delegate_->GetParentView(), has_selection, |
| std::move(callback)); |
| } |
| |
| mojom::ResultCode PrintingContextLinux::UseDefaultSettings() { |
| DCHECK(!in_print_job_); |
| |
| ResetSettings(); |
| |
| #if BUILDFLAG(IS_LINUX) |
| if (!ui::LinuxUi::instance()) |
| return mojom::ResultCode::kSuccess; |
| |
| if (!print_dialog_) |
| print_dialog_ = ui::LinuxUi::instance()->CreatePrintDialog(this); |
| |
| if (print_dialog_) { |
| print_dialog_->UseDefaultSettings(); |
| } |
| #endif |
| |
| return mojom::ResultCode::kSuccess; |
| } |
| |
| gfx::Size PrintingContextLinux::GetPdfPaperSizeDeviceUnits() { |
| #if BUILDFLAG(IS_LINUX) |
| if (ui::LinuxUi::instance()) |
| return ui::LinuxUi::instance()->GetPdfPaperSize(this); |
| #endif |
| |
| return gfx::Size(); |
| } |
| |
| mojom::ResultCode PrintingContextLinux::UpdatePrinterSettings( |
| const PrinterSettings& printer_settings) { |
| DCHECK(!printer_settings.show_system_dialog); |
| DCHECK(!in_print_job_); |
| |
| #if BUILDFLAG(IS_LINUX) |
| if (!ui::LinuxUi::instance()) |
| return mojom::ResultCode::kSuccess; |
| |
| if (!print_dialog_) |
| print_dialog_ = ui::LinuxUi::instance()->CreatePrintDialog(this); |
| |
| if (print_dialog_) { |
| // PrintDialogGtk::UpdateSettings() calls InitWithSettings() so settings_ will |
| // remain non-null after this line. |
| print_dialog_->UpdateSettings(std::move(settings_)); |
| DCHECK(settings_); |
| } |
| #endif |
| |
| return mojom::ResultCode::kSuccess; |
| } |
| |
| void PrintingContextLinux::InitWithSettings( |
| std::unique_ptr<PrintSettings> settings) { |
| DCHECK(!in_print_job_); |
| |
| settings_ = std::move(settings); |
| } |
| |
| mojom::ResultCode PrintingContextLinux::NewDocument( |
| const std::u16string& document_name) { |
| DCHECK(!in_print_job_); |
| in_print_job_ = true; |
| |
| document_name_ = document_name; |
| |
| #if BUILDFLAG(ENABLE_OOP_PRINTING_NO_OOP_BASIC_PRINT_DIALOG) |
| if (process_behavior() == ProcessBehavior::kOopEnabledSkipSystemCalls) { |
| return mojom::ResultCode::kSuccess; |
| } |
| |
| if (process_behavior() == ProcessBehavior::kOopEnabledPerformSystemCalls && |
| !settings_->system_print_dialog_data().empty()) { |
| // Take the settings captured by the browser process from the system print |
| // dialog and apply them to this printing context in the PrintBackend |
| // service. |
| if (!print_dialog_) { |
| CHECK(ui::LinuxUi::instance()); |
| print_dialog_ = ui::LinuxUi::instance()->CreatePrintDialog(this); |
| } |
| print_dialog_->LoadPrintSettings(*settings_); |
| } |
| #endif |
| |
| return mojom::ResultCode::kSuccess; |
| } |
| |
| mojom::ResultCode PrintingContextLinux::PrintDocument( |
| const MetafilePlayer& metafile, |
| const PrintSettings& settings, |
| uint32_t num_pages) { |
| if (abort_printing_) |
| return mojom::ResultCode::kCanceled; |
| DCHECK(in_print_job_); |
| if (!print_dialog_) { |
| return mojom::ResultCode::kFailed; |
| } |
| // TODO(crbug.com/1252685) Plumb error code back from |
| // `PrintDialogLinuxInterface`. |
| print_dialog_->PrintDocument(metafile, document_name_); |
| return mojom::ResultCode::kSuccess; |
| } |
| |
| mojom::ResultCode PrintingContextLinux::DocumentDone() { |
| if (abort_printing_) |
| return mojom::ResultCode::kCanceled; |
| DCHECK(in_print_job_); |
| |
| ResetSettings(); |
| return mojom::ResultCode::kSuccess; |
| } |
| |
| void PrintingContextLinux::Cancel() { |
| abort_printing_ = true; |
| in_print_job_ = false; |
| } |
| |
| void PrintingContextLinux::ReleaseContext() { |
| // Intentional No-op. |
| } |
| |
| printing::NativeDrawingContext PrintingContextLinux::context() const { |
| // Intentional No-op. |
| return nullptr; |
| } |
| |
| } // namespace printing |