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// Copyright 2016 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 ASH_DISPLAY_DISPLAY_LAYOUT_BUILDER_H_
#define ASH_DISPLAY_DISPLAY_LAYOUT_BUILDER_H_
#include "ash/display/display_layout.h"
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
namespace ash {
class DisplayLayout;
// A utility class to create a DisplayLayout instance.
class ASH_EXPORT DisplayLayoutBuilder final {
public:
// Creates a builder that uses a copy of the |layout| as a source.
explicit DisplayLayoutBuilder(const DisplayLayout& layout);
// Ccreates a builder with the primary display id.
explicit DisplayLayoutBuilder(int64_t primary_id);
~DisplayLayoutBuilder();
DisplayLayoutBuilder& SetDefaultUnified(bool default_unified);
DisplayLayoutBuilder& SetMirrored(bool mirrored);
DisplayLayoutBuilder& ClearPlacements();
// Adds a display placement.
DisplayLayoutBuilder& AddDisplayPlacement(int64_t display_id,
int64_t parent_id,
DisplayPlacement::Position position,
int offset);
// Sets the display placement for the secondary display.
DisplayLayoutBuilder& SetSecondaryPlacement(
int64_t secondary_id,
DisplayPlacement::Position position,
int offset);
// Returns the DisplayLayout. After this call, the builder becomes invalid.
scoped_ptr<DisplayLayout> Build();
private:
scoped_ptr<DisplayLayout> layout_;
DISALLOW_COPY_AND_ASSIGN(DisplayLayoutBuilder);
};
} // namespace ash
#endif // ASH_DISPLAY_DISPLAY_LAYOUT_BUILDER_H_
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