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// 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(Delegate* delegate);
virtual ~PrintingContextWin();
// PrintingContext implementation.
virtual void AskUserForSettings(
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,
bool show_system_dialog) 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;
protected:
virtual scoped_ptr<DEVMODE, base::FreeDeleter> ShowPrintDialog(
HANDLE printer,
gfx::NativeView parent_view,
DEVMODE* dev_mode);
private:
// 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.
virtual Result InitializeSettings(const base::string16& device_name,
DEVMODE* dev_mode);
// The selected printer context.
HDC context_;
DISALLOW_COPY_AND_ASSIGN(PrintingContextWin);
};
} // namespace printing
#endif // PRINTING_PRINTING_CONTEXT_WIN_H_
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