| // 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/logging.h" |
| #include "base/memory/ptr_util.h" |
| #include "base/values.h" |
| #include "printing/metafile.h" |
| #include "printing/print_dialog_gtk_interface.h" |
| #include "printing/print_job_constants.h" |
| #include "printing/units.h" |
| |
| namespace printing { |
| |
| namespace { |
| |
| // Function pointer for creating print dialogs. |callback| is only used when |
| // |show_dialog| is true. |
| PrintDialogGtkInterface* (*create_dialog_func_)(PrintingContextLinux* context) = |
| nullptr; |
| |
| // Function pointer for determining paper size. |
| gfx::Size (*get_pdf_paper_size_)(PrintingContextLinux* context) = nullptr; |
| |
| } // namespace |
| |
| // static |
| std::unique_ptr<PrintingContext> PrintingContext::Create(Delegate* delegate) { |
| return base::WrapUnique(new PrintingContextLinux(delegate)); |
| } |
| |
| PrintingContextLinux::PrintingContextLinux(Delegate* delegate) |
| : PrintingContext(delegate), print_dialog_(nullptr) {} |
| |
| PrintingContextLinux::~PrintingContextLinux() { |
| ReleaseContext(); |
| |
| if (print_dialog_) |
| print_dialog_->ReleaseDialog(); |
| } |
| |
| // static |
| void PrintingContextLinux::SetCreatePrintDialogFunction( |
| PrintDialogGtkInterface* (*create_dialog_func)( |
| PrintingContextLinux* context)) { |
| DCHECK(create_dialog_func); |
| DCHECK(!create_dialog_func_); |
| create_dialog_func_ = create_dialog_func; |
| } |
| |
| // static |
| void PrintingContextLinux::SetPdfPaperSizeFunction( |
| gfx::Size (*get_pdf_paper_size)(PrintingContextLinux* context)) { |
| DCHECK(get_pdf_paper_size); |
| DCHECK(!get_pdf_paper_size_); |
| get_pdf_paper_size_ = get_pdf_paper_size; |
| } |
| |
| void PrintingContextLinux::PrintDocument(const MetafilePlayer& metafile) { |
| DCHECK(print_dialog_); |
| print_dialog_->PrintDocument(metafile, document_name_); |
| } |
| |
| 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(FAILED); |
| return; |
| } |
| |
| print_dialog_->ShowDialog(delegate_->GetParentView(), has_selection, |
| std::move(callback)); |
| } |
| |
| PrintingContext::Result PrintingContextLinux::UseDefaultSettings() { |
| DCHECK(!in_print_job_); |
| |
| ResetSettings(); |
| |
| if (!create_dialog_func_) |
| return OK; |
| |
| if (!print_dialog_) { |
| print_dialog_ = create_dialog_func_(this); |
| print_dialog_->AddRefToDialog(); |
| } |
| print_dialog_->UseDefaultSettings(); |
| |
| return OK; |
| } |
| |
| gfx::Size PrintingContextLinux::GetPdfPaperSizeDeviceUnits() { |
| if (get_pdf_paper_size_) |
| return get_pdf_paper_size_(this); |
| |
| return gfx::Size(); |
| } |
| |
| PrintingContext::Result PrintingContextLinux::UpdatePrinterSettings( |
| bool external_preview, |
| bool show_system_dialog, |
| int page_count) { |
| DCHECK(!show_system_dialog); |
| DCHECK(!in_print_job_); |
| DCHECK(!external_preview) << "Not implemented"; |
| |
| if (!create_dialog_func_) |
| return OK; |
| |
| if (!print_dialog_) { |
| print_dialog_ = create_dialog_func_(this); |
| print_dialog_->AddRefToDialog(); |
| } |
| |
| print_dialog_->UpdateSettings(&settings_); |
| return OK; |
| } |
| |
| void PrintingContextLinux::InitWithSettings(const PrintSettings& settings) { |
| DCHECK(!in_print_job_); |
| |
| settings_ = settings; |
| } |
| |
| PrintingContext::Result PrintingContextLinux::NewDocument( |
| const base::string16& document_name) { |
| DCHECK(!in_print_job_); |
| in_print_job_ = true; |
| |
| document_name_ = document_name; |
| |
| return OK; |
| } |
| |
| PrintingContext::Result PrintingContextLinux::NewPage() { |
| if (abort_printing_) |
| return CANCEL; |
| DCHECK(in_print_job_); |
| |
| // Intentional No-op. |
| |
| return OK; |
| } |
| |
| PrintingContext::Result PrintingContextLinux::PageDone() { |
| if (abort_printing_) |
| return CANCEL; |
| DCHECK(in_print_job_); |
| |
| // Intentional No-op. |
| |
| return OK; |
| } |
| |
| PrintingContext::Result PrintingContextLinux::DocumentDone() { |
| if (abort_printing_) |
| return CANCEL; |
| DCHECK(in_print_job_); |
| |
| ResetSettings(); |
| return OK; |
| } |
| |
| 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 |