1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef PRINTING_PRINTING_CONTEXT_WIN_H_ 6 #define PRINTING_PRINTING_CONTEXT_WIN_H_ 7 8 #include <string> 9 10 #include "base/memory/scoped_ptr.h" 11 #include "printing/printing_context.h" 12 #include "ui/gfx/native_widget_types.h" 13 14 namespace printing { 15 16 class PrintSettings; 17 18 class PRINTING_EXPORT PrintingContextWin : public PrintingContext { 19 public: 20 explicit PrintingContextWin(Delegate* delegate); 21 virtual ~PrintingContextWin(); 22 23 // PrintingContext implementation. 24 virtual void AskUserForSettings( 25 int max_pages, 26 bool has_selection, 27 const PrintSettingsCallback& callback) OVERRIDE; 28 virtual Result UseDefaultSettings() OVERRIDE; 29 virtual gfx::Size GetPdfPaperSizeDeviceUnits() OVERRIDE; 30 virtual Result UpdatePrinterSettings(bool external_preview, 31 bool show_system_dialog) OVERRIDE; 32 virtual Result InitWithSettings(const PrintSettings& settings) OVERRIDE; 33 virtual Result NewDocument(const base::string16& document_name) OVERRIDE; 34 virtual Result NewPage() OVERRIDE; 35 virtual Result PageDone() OVERRIDE; 36 virtual Result DocumentDone() OVERRIDE; 37 virtual void Cancel() OVERRIDE; 38 virtual void ReleaseContext() OVERRIDE; 39 virtual gfx::NativeDrawingContext context() const OVERRIDE; 40 41 protected: 42 static HWND GetRootWindow(gfx::NativeView view); 43 44 // Reads the settings from the selected device context. Updates settings_ and 45 // its margins. 46 virtual Result InitializeSettings(const base::string16& device_name, 47 DEVMODE* dev_mode); 48 contest()49 HDC contest() const { return context_; } 50 set_context(HDC context)51 void set_context(HDC context) { context_ = context; } 52 53 private: 54 virtual scoped_ptr<DEVMODE, base::FreeDeleter> ShowPrintDialog( 55 HANDLE printer, 56 gfx::NativeView parent_view, 57 DEVMODE* dev_mode); 58 59 // Used in response to the user canceling the printing. 60 static BOOL CALLBACK AbortProc(HDC hdc, int nCode); 61 62 // The selected printer context. 63 HDC context_; 64 65 DISALLOW_COPY_AND_ASSIGN(PrintingContextWin); 66 }; 67 68 } // namespace printing 69 70 #endif // PRINTING_PRINTING_CONTEXT_WIN_H_ 71