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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 <string>
#include "base/memory/scoped_ptr.h"
#include "printing/printing_context.h"
#include "ui/gfx/native_widget_types.h"
namespace printing {
class PrintSettings;
class PRINTING_EXPORT PrintingContextWin : public PrintingContext {
public:
explicit PrintingContextWin(Delegate* delegate);
~PrintingContextWin() override;
// PrintingContext implementation.
void AskUserForSettings(
int max_pages,
bool has_selection,
bool is_scripted,
const PrintSettingsCallback& callback) override;
Result UseDefaultSettings() override;
gfx::Size GetPdfPaperSizeDeviceUnits() override;
Result UpdatePrinterSettings(bool external_preview,
bool show_system_dialog,
int page_count) override;
Result InitWithSettings(const PrintSettings& settings) override;
Result NewDocument(const base::string16& document_name) override;
Result NewPage() override;
Result PageDone() override;
Result DocumentDone() override;
void Cancel() override;
void ReleaseContext() override;
gfx::NativeDrawingContext context() const override;
protected:
static HWND GetRootWindow(gfx::NativeView view);
// Reads the settings from the selected device context. Updates settings_ and
// its margins.
virtual Result InitializeSettings(const base::string16& device_name,
DEVMODE* dev_mode);
HDC contest() const { return context_; }
void set_context(HDC context) { context_ = context; }
private:
virtual scoped_ptr<DEVMODE, base::FreeDeleter> ShowPrintDialog(
HANDLE printer,
gfx::NativeView parent_view,
DEVMODE* dev_mode);
// Used in response to the user canceling the printing.
static BOOL CALLBACK AbortProc(HDC hdc, int nCode);
// The selected printer context.
HDC context_;
DISALLOW_COPY_AND_ASSIGN(PrintingContextWin);
};
} // namespace printing
#endif // PRINTING_PRINTING_CONTEXT_WIN_H_
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