| // Copyright (c) 2012 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_win.h" |
| |
| #include <algorithm> |
| |
| #include "base/bind.h" |
| #include "base/memory/free_deleter.h" |
| #include "base/memory/ptr_util.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "printing/backend/print_backend.h" |
| #include "printing/backend/win_helper.h" |
| #include "printing/print_settings_initializer_win.h" |
| #include "printing/printed_document.h" |
| #include "printing/printing_context_system_dialog_win.h" |
| #include "printing/printing_utils.h" |
| #include "printing/units.h" |
| #include "skia/ext/skia_utils_win.h" |
| #include "ui/aura/window.h" |
| #include "ui/aura/window_tree_host.h" |
| |
| namespace printing { |
| |
| namespace { |
| |
| void AssignResult(PrintingContext::Result* out, PrintingContext::Result in) { |
| *out = in; |
| } |
| |
| } // namespace |
| |
| // static |
| std::unique_ptr<PrintingContext> PrintingContext::Create(Delegate* delegate) { |
| #if defined(ENABLE_BASIC_PRINTING) |
| return base::WrapUnique(new PrintingContextSystemDialogWin(delegate)); |
| #else |
| return base::WrapUnique(new PrintingContextWin(delegate)); |
| #endif |
| } |
| |
| PrintingContextWin::PrintingContextWin(Delegate* delegate) |
| : PrintingContext(delegate), context_(NULL) { |
| } |
| |
| PrintingContextWin::~PrintingContextWin() { |
| ReleaseContext(); |
| } |
| |
| void PrintingContextWin::AskUserForSettings( |
| int max_pages, |
| bool has_selection, |
| bool is_scripted, |
| const PrintSettingsCallback& callback) { |
| NOTIMPLEMENTED(); |
| } |
| |
| PrintingContext::Result PrintingContextWin::UseDefaultSettings() { |
| DCHECK(!in_print_job_); |
| |
| scoped_refptr<PrintBackend> backend = PrintBackend::CreateInstance(NULL); |
| base::string16 default_printer = |
| base::UTF8ToWide(backend->GetDefaultPrinterName()); |
| if (!default_printer.empty()) { |
| ScopedPrinterHandle printer; |
| if (printer.OpenPrinter(default_printer.c_str())) { |
| std::unique_ptr<DEVMODE, base::FreeDeleter> dev_mode = |
| CreateDevMode(printer.Get(), NULL); |
| if (InitializeSettings(default_printer, dev_mode.get()) == OK) |
| return OK; |
| } |
| } |
| |
| ReleaseContext(); |
| |
| // No default printer configured, do we have any printers at all? |
| DWORD bytes_needed = 0; |
| DWORD count_returned = 0; |
| (void)::EnumPrinters(PRINTER_ENUM_LOCAL|PRINTER_ENUM_CONNECTIONS, |
| NULL, 2, NULL, 0, &bytes_needed, &count_returned); |
| if (bytes_needed) { |
| DCHECK_GE(bytes_needed, count_returned * sizeof(PRINTER_INFO_2)); |
| std::unique_ptr<BYTE[]> printer_info_buffer(new BYTE[bytes_needed]); |
| BOOL ret = ::EnumPrinters(PRINTER_ENUM_LOCAL|PRINTER_ENUM_CONNECTIONS, |
| NULL, 2, printer_info_buffer.get(), |
| bytes_needed, &bytes_needed, |
| &count_returned); |
| if (ret && count_returned) { // have printers |
| // Open the first successfully found printer. |
| const PRINTER_INFO_2* info_2 = |
| reinterpret_cast<PRINTER_INFO_2*>(printer_info_buffer.get()); |
| const PRINTER_INFO_2* info_2_end = info_2 + count_returned; |
| for (; info_2 < info_2_end; ++info_2) { |
| ScopedPrinterHandle printer; |
| if (!printer.OpenPrinter(info_2->pPrinterName)) |
| continue; |
| std::unique_ptr<DEVMODE, base::FreeDeleter> dev_mode = |
| CreateDevMode(printer.Get(), NULL); |
| if (InitializeSettings(info_2->pPrinterName, dev_mode.get()) == OK) |
| return OK; |
| } |
| if (context_) |
| return OK; |
| } |
| } |
| |
| return OnError(); |
| } |
| |
| gfx::Size PrintingContextWin::GetPdfPaperSizeDeviceUnits() { |
| // Default fallback to Letter size. |
| gfx::SizeF paper_size(kLetterWidthInch, kLetterHeightInch); |
| |
| // Get settings from locale. Paper type buffer length is at most 4. |
| const int paper_type_buffer_len = 4; |
| wchar_t paper_type_buffer[paper_type_buffer_len] = {0}; |
| GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_IPAPERSIZE, paper_type_buffer, |
| paper_type_buffer_len); |
| if (wcslen(paper_type_buffer)) { // The call succeeded. |
| int paper_code = _wtoi(paper_type_buffer); |
| switch (paper_code) { |
| case DMPAPER_LEGAL: |
| paper_size.SetSize(kLegalWidthInch, kLegalHeightInch); |
| break; |
| case DMPAPER_A4: |
| paper_size.SetSize(kA4WidthInch, kA4HeightInch); |
| break; |
| case DMPAPER_A3: |
| paper_size.SetSize(kA3WidthInch, kA3HeightInch); |
| break; |
| default: // DMPAPER_LETTER is used for default fallback. |
| break; |
| } |
| } |
| return gfx::Size( |
| paper_size.width() * settings_.device_units_per_inch(), |
| paper_size.height() * settings_.device_units_per_inch()); |
| } |
| |
| PrintingContext::Result PrintingContextWin::UpdatePrinterSettings( |
| bool external_preview, |
| bool show_system_dialog, |
| int page_count) { |
| DCHECK(!in_print_job_); |
| DCHECK(!external_preview) << "Not implemented"; |
| |
| ScopedPrinterHandle printer; |
| if (!printer.OpenPrinter(settings_.device_name().c_str())) |
| return OnError(); |
| |
| // Make printer changes local to Chrome. |
| // See MSDN documentation regarding DocumentProperties. |
| std::unique_ptr<DEVMODE, base::FreeDeleter> scoped_dev_mode = |
| CreateDevModeWithColor(printer.Get(), settings_.device_name(), |
| settings_.color() != GRAY); |
| if (!scoped_dev_mode) |
| return OnError(); |
| |
| { |
| DEVMODE* dev_mode = scoped_dev_mode.get(); |
| dev_mode->dmCopies = std::max(settings_.copies(), 1); |
| if (dev_mode->dmCopies > 1) { // do not change unless multiple copies |
| dev_mode->dmFields |= DM_COPIES; |
| dev_mode->dmCollate = settings_.collate() ? DMCOLLATE_TRUE : |
| DMCOLLATE_FALSE; |
| } |
| |
| switch (settings_.duplex_mode()) { |
| case LONG_EDGE: |
| dev_mode->dmFields |= DM_DUPLEX; |
| dev_mode->dmDuplex = DMDUP_VERTICAL; |
| break; |
| case SHORT_EDGE: |
| dev_mode->dmFields |= DM_DUPLEX; |
| dev_mode->dmDuplex = DMDUP_HORIZONTAL; |
| break; |
| case SIMPLEX: |
| dev_mode->dmFields |= DM_DUPLEX; |
| dev_mode->dmDuplex = DMDUP_SIMPLEX; |
| break; |
| default: // UNKNOWN_DUPLEX_MODE |
| break; |
| } |
| |
| dev_mode->dmFields |= DM_ORIENTATION; |
| dev_mode->dmOrientation = settings_.landscape() ? DMORIENT_LANDSCAPE : |
| DMORIENT_PORTRAIT; |
| |
| const PrintSettings::RequestedMedia& requested_media = |
| settings_.requested_media(); |
| static const int kFromUm = 100; // Windows uses 0.1mm. |
| int width = requested_media.size_microns.width() / kFromUm; |
| int height = requested_media.size_microns.height() / kFromUm; |
| unsigned id = 0; |
| if (base::StringToUint(requested_media.vendor_id, &id) && id) { |
| dev_mode->dmFields |= DM_PAPERSIZE; |
| dev_mode->dmPaperSize = static_cast<short>(id); |
| } else if (width > 0 && height > 0) { |
| dev_mode->dmFields |= DM_PAPERWIDTH; |
| dev_mode->dmPaperWidth = width; |
| dev_mode->dmFields |= DM_PAPERLENGTH; |
| dev_mode->dmPaperLength = height; |
| } |
| } |
| |
| // Update data using DocumentProperties. |
| if (show_system_dialog) { |
| PrintingContext::Result result = PrintingContext::FAILED; |
| AskUserForSettings(page_count, false, false, |
| base::Bind(&AssignResult, &result)); |
| return result; |
| } |
| // Set printer then refresh printer settings. |
| scoped_dev_mode = CreateDevMode(printer.Get(), scoped_dev_mode.get()); |
| return InitializeSettings(settings_.device_name(), scoped_dev_mode.get()); |
| } |
| |
| PrintingContext::Result PrintingContextWin::InitWithSettings( |
| const PrintSettings& settings) { |
| DCHECK(!in_print_job_); |
| |
| settings_ = settings; |
| |
| // TODO(maruel): settings_.ToDEVMODE() |
| ScopedPrinterHandle printer; |
| if (!printer.OpenPrinter(settings_.device_name().c_str())) |
| return FAILED; |
| |
| std::unique_ptr<DEVMODE, base::FreeDeleter> dev_mode = |
| CreateDevMode(printer.Get(), NULL); |
| |
| return InitializeSettings(settings_.device_name(), dev_mode.get()); |
| } |
| |
| PrintingContext::Result PrintingContextWin::NewDocument( |
| const base::string16& document_name) { |
| DCHECK(!in_print_job_); |
| if (!context_) |
| return OnError(); |
| |
| // Set the flag used by the AbortPrintJob dialog procedure. |
| abort_printing_ = false; |
| |
| in_print_job_ = true; |
| |
| // Register the application's AbortProc function with GDI. |
| if (SP_ERROR == SetAbortProc(context_, &AbortProc)) |
| return OnError(); |
| |
| DCHECK(SimplifyDocumentTitle(document_name) == document_name); |
| DOCINFO di = { sizeof(DOCINFO) }; |
| di.lpszDocName = document_name.c_str(); |
| |
| // Is there a debug dump directory specified? If so, force to print to a file. |
| base::string16 debug_dump_path = |
| PrintedDocument::CreateDebugDumpPath(document_name, |
| FILE_PATH_LITERAL(".prn")).value(); |
| if (!debug_dump_path.empty()) |
| di.lpszOutput = debug_dump_path.c_str(); |
| |
| // No message loop running in unit tests. |
| DCHECK(!base::MessageLoop::current() || |
| !base::MessageLoop::current()->NestableTasksAllowed()); |
| |
| // Begin a print job by calling the StartDoc function. |
| // NOTE: StartDoc() starts a message loop. That causes a lot of problems with |
| // IPC. Make sure recursive task processing is disabled. |
| if (StartDoc(context_, &di) <= 0) |
| return OnError(); |
| |
| return OK; |
| } |
| |
| PrintingContext::Result PrintingContextWin::NewPage() { |
| if (abort_printing_) |
| return CANCEL; |
| DCHECK(context_); |
| DCHECK(in_print_job_); |
| |
| // Intentional No-op. PdfMetafileSkia::SafePlayback takes care of calling |
| // ::StartPage(). |
| |
| return OK; |
| } |
| |
| PrintingContext::Result PrintingContextWin::PageDone() { |
| if (abort_printing_) |
| return CANCEL; |
| DCHECK(in_print_job_); |
| |
| // Intentional No-op. PdfMetafileSkia::SafePlayback takes care of calling |
| // ::EndPage(). |
| |
| return OK; |
| } |
| |
| PrintingContext::Result PrintingContextWin::DocumentDone() { |
| if (abort_printing_) |
| return CANCEL; |
| DCHECK(in_print_job_); |
| DCHECK(context_); |
| |
| // Inform the driver that document has ended. |
| if (EndDoc(context_) <= 0) |
| return OnError(); |
| |
| ResetSettings(); |
| return OK; |
| } |
| |
| void PrintingContextWin::Cancel() { |
| abort_printing_ = true; |
| in_print_job_ = false; |
| if (context_) |
| CancelDC(context_); |
| } |
| |
| void PrintingContextWin::ReleaseContext() { |
| if (context_) { |
| DeleteDC(context_); |
| context_ = NULL; |
| } |
| } |
| |
| gfx::NativeDrawingContext PrintingContextWin::context() const { |
| return context_; |
| } |
| |
| // static |
| BOOL PrintingContextWin::AbortProc(HDC hdc, int nCode) { |
| if (nCode) { |
| // TODO(maruel): Need a way to find the right instance to set. Should |
| // leverage PrintJobManager here? |
| // abort_printing_ = true; |
| } |
| return true; |
| } |
| |
| PrintingContext::Result PrintingContextWin::InitializeSettings( |
| const std::wstring& device_name, |
| DEVMODE* dev_mode) { |
| if (!dev_mode) |
| return OnError(); |
| |
| ReleaseContext(); |
| context_ = CreateDC(L"WINSPOOL", device_name.c_str(), NULL, dev_mode); |
| if (!context_) |
| return OnError(); |
| |
| skia::InitializeDC(context_); |
| |
| DCHECK(!in_print_job_); |
| settings_.set_device_name(device_name); |
| PrintSettingsInitializerWin::InitPrintSettings( |
| context_, *dev_mode, &settings_); |
| |
| return OK; |
| } |
| |
| HWND PrintingContextWin::GetRootWindow(gfx::NativeView view) { |
| HWND window = NULL; |
| if (view && view->GetHost()) |
| window = view->GetHost()->GetAcceleratedWidget(); |
| if (!window) { |
| // TODO(maruel): crbug.com/1214347 Get the right browser window instead. |
| return GetDesktopWindow(); |
| } |
| return window; |
| } |
| |
| } // namespace printing |