| // Copyright (c) 2011 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. |
| |
| #ifndef PRINTING_PRINTING_CONTEXT_WIN_H_ |
| #define PRINTING_PRINTING_CONTEXT_WIN_H_ |
| |
| #include <ocidl.h> |
| #include <commdlg.h> |
| |
| #include <string> |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "build/build_config.h" |
| #include "printing/printing_context.h" |
| #include "ui/gfx/native_widget_types.h" |
| |
| namespace printing { |
| |
| class PRINTING_EXPORT PrintingContextWin : public PrintingContext { |
| public: |
| explicit PrintingContextWin(const std::string& app_locale); |
| ~PrintingContextWin(); |
| |
| // PrintingContext implementation. |
| virtual void AskUserForSettings( |
| gfx::NativeView parent_view, |
| int max_pages, |
| bool has_selection, |
| const PrintSettingsCallback& callback) OVERRIDE; |
| virtual Result UseDefaultSettings() OVERRIDE; |
| virtual gfx::Size GetPdfPaperSizeDeviceUnits() OVERRIDE; |
| virtual Result UpdatePrinterSettings(bool external_preview) OVERRIDE; |
| virtual Result InitWithSettings(const PrintSettings& settings) OVERRIDE; |
| virtual Result NewDocument(const base::string16& document_name) OVERRIDE; |
| virtual Result NewPage() OVERRIDE; |
| virtual Result PageDone() OVERRIDE; |
| virtual Result DocumentDone() OVERRIDE; |
| virtual void Cancel() OVERRIDE; |
| virtual void ReleaseContext() OVERRIDE; |
| virtual gfx::NativeDrawingContext context() const OVERRIDE; |
| |
| // Allocates the HDC for a specific DEVMODE. |
| static bool AllocateContext(const std::wstring& printer_name, |
| const DEVMODE* dev_mode, |
| gfx::NativeDrawingContext* context); |
| |
| protected: |
| virtual HRESULT ShowPrintDialog(PRINTDLGEX* options); |
| |
| private: |
| // Class that manages the PrintDlgEx() callbacks. This is meant to be a |
| // temporary object used during the Print... dialog display. |
| class CallbackHandler; |
| |
| // Used in response to the user canceling the printing. |
| static BOOL CALLBACK AbortProc(HDC hdc, int nCode); |
| |
| // Reads the settings from the selected device context. Updates settings_ and |
| // its margins. |
| bool InitializeSettings(const DEVMODE& dev_mode, |
| const std::wstring& new_device_name, |
| const PRINTPAGERANGE* ranges, |
| int number_ranges, |
| bool selection_only); |
| |
| // Retrieves the printer's default low-level settings. On Windows, context_ is |
| // allocated with this call. |
| bool GetPrinterSettings(HANDLE printer, |
| const std::wstring& device_name); |
| |
| // Parses the result of a PRINTDLGEX result. |
| Result ParseDialogResultEx(const PRINTDLGEX& dialog_options); |
| Result ParseDialogResult(const PRINTDLG& dialog_options); |
| |
| // The selected printer context. |
| HDC context_; |
| |
| // The dialog box for the time it is shown. |
| volatile HWND dialog_box_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PrintingContextWin); |
| }; |
| |
| } // namespace printing |
| |
| #endif // PRINTING_PRINTING_CONTEXT_WIN_H_ |