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- // Copyright 2014 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_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"
- // 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,
- bool skip_system_calls) {
- auto context = std::make_unique<PrintingContextLinux>(delegate);
- #if BUILDFLAG(ENABLE_OOP_PRINTING)
- if (skip_system_calls)
- context->set_skip_system_calls();
- #endif
- return context;
- }
- PrintingContextLinux::PrintingContextLinux(Delegate* delegate)
- : PrintingContext(delegate), print_dialog_(nullptr) {}
- PrintingContextLinux::~PrintingContextLinux() {
- ReleaseContext();
- if (print_dialog_)
- print_dialog_->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);
- 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);
- // 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;
- // If this implementation is expanded to include system calls then such calls
- // should be gated upon `skip_system_calls()`.
- document_name_ = document_name;
- 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_);
- DCHECK(print_dialog_);
- // 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
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