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// Copyright 2013 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_STORE_H_
#define ASH_DISPLAY_DISPLAY_LAYOUT_STORE_H_
#include <map>
#include "ash/ash_export.h"
#include "ash/display/display_layout.h"
namespace ash {
namespace internal {
class ASH_EXPORT DisplayLayoutStore {
public:
DisplayLayoutStore();
~DisplayLayoutStore();
const DisplayLayout& default_display_layout() const {
return default_display_layout_;
}
void SetDefaultDisplayLayout(const DisplayLayout& layout);
// Registeres the display layout info for the specified display(s).
void RegisterLayoutForDisplayIdPair(int64 id1,
int64 id2,
const DisplayLayout& layout);
// If no layout is registered, it creatas new layout using
// |default_display_layout_|.
DisplayLayout GetRegisteredDisplayLayout(const DisplayIdPair& pair);
// Returns the display layout for the display id pair
// with display swapping applied. That is, this returns
// flipped layout if the displays are swapped.
DisplayLayout ComputeDisplayLayoutForDisplayIdPair(
const DisplayIdPair& display_pair);
// Update the mirrored flag in the display layout for
// |display_pair|. This creates new display layout if no layout is
// registered for |display_pair|.
void UpdateMirrorStatus(const DisplayIdPair& display_pair,
bool mirrored);
// Update the |primary_id| in the display layout for
// |display_pair|. This creates new display layout if no layout is
// registered for |display_pair|.
void UpdatePrimaryDisplayId(const DisplayIdPair& display_pair,
int64 display_id);
private:
// Creates new layout for display pair from |default_display_layout_|.
DisplayLayout CreateDisplayLayout(const DisplayIdPair& display_pair);
// The default display layout.
DisplayLayout default_display_layout_;
// Display layout per pair of devices.
std::map<DisplayIdPair, DisplayLayout> paired_layouts_;
DISALLOW_COPY_AND_ASSIGN(DisplayLayoutStore);
};
} // namespace internal
} // namespace ash
#endif // ASH_DISPLAY_DISPLAY_LAYOUT_STORE_H_
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