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// 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
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