chromium/components/printing/test/mock_printer.h

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_PRINTING_TEST_MOCK_PRINTER_H_
#define COMPONENTS_PRINTING_TEST_MOCK_PRINTER_H_

#include <stdint.h>

#include <memory>
#include <string>
#include <vector>

#include "base/memory/ref_counted.h"
#include "components/printing/common/print.mojom.h"
#include "pdf/buildflags.h"
#include "printing/image.h"
#include "printing/mojom/print.mojom.h"
#include "printing/units.h"
#include "ui/gfx/geometry/rect_f.h"
#include "ui/gfx/geometry/size_f.h"

#if BUILDFLAG(ENABLE_PDF)
#define MOCK_PRINTER_SUPPORTS_PAGE_IMAGES
#endif

namespace base {
class ReadOnlySharedMemoryMapping;
}  // namespace base

namespace printing {

// A class which represents an output page used in the MockPrinter class.
// The MockPrinter class stores output pages in a vector, so, this class
// inherits the base::RefCounted<> class so that the MockPrinter class can use
// a smart pointer of this object (i.e. scoped_refptr<>).
class MockPrinterPage : public base::RefCounted<MockPrinterPage> { … };

// A class which implements a pseudo-printer object used by the RenderViewTest
// class.
// This class consists of three parts:
// 1. An IPC-message hanlder sent from the RenderView class;
// 2. A renderer that creates a printing job into bitmaps, and;
// 3. A vector which saves the output pages of a printing job.
// A user who writes RenderViewTest cases only use the functions which
// retrieve output pages from this vector to verify them with expected results.
class MockPrinter { … };

}  // namespace printing

#endif  // COMPONENTS_PRINTING_TEST_MOCK_PRINTER_H_