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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_DISPLAY_MANAGER_DISPLAY_LAYOUT_STORE_H_
#define UI_DISPLAY_MANAGER_DISPLAY_LAYOUT_STORE_H_
#include <stdint.h>
#include <memory>
#include "base/containers/flat_map.h"
#include "ui/display/display.h"
#include "ui/display/display_layout.h"
#include "ui/display/manager/display_manager.h"
#include "ui/display/manager/display_manager_export.h"
namespace display {
class DISPLAY_MANAGER_EXPORT DisplayLayoutStore {
public:
DisplayLayoutStore();
DisplayLayoutStore(const DisplayLayoutStore&) = delete;
DisplayLayoutStore& operator=(const DisplayLayoutStore&) = delete;
~DisplayLayoutStore();
// Set true to force mirror mode. This should only be used when tablet mode is
// turned on/off.
void set_forced_mirror_mode_for_tablet(bool forced) {
forced_mirror_mode_for_tablet_ = forced;
}
bool forced_mirror_mode_for_tablet() const {
return forced_mirror_mode_for_tablet_;
}
void SetDefaultDisplayPlacement(const DisplayPlacement& placement);
// Registers the display layout info for the specified display(s).
void RegisterLayoutForDisplayIdList(const DisplayIdList& list,
std::unique_ptr<DisplayLayout> layout);
// Returns a layout for given `display_id_list` or fails with DCHECK if not
// exist.
const DisplayLayout& GetRegisteredDisplayLayout(const DisplayIdList& list);
// Update the default unified desktop mode in the display layout for
// |display_list|.
void UpdateDefaultUnified(const DisplayIdList& display_list,
bool default_unified);
private:
friend bool DisplayManager::UpdateDisplaysWith(
const std::vector<ManagedDisplayInfo>& updated_display_info_list);
// Returns a layout for the given `display_id_list` or create one if no layout
// has been registered. This should be created at the designated point only
// (currently in `DisplayManager::UpdateDisplayWith()` to ensure we do not
// generate a new layout in random places. This is private so that only
// `DisplayManager::UpdateDisplaysWith()` can call this method.
const DisplayLayout& GetOrCreateRegisteredDisplayLayout(
const DisplayIdList& display_id_list);
// Creates new layout for display list from |default_display_layout_|.
DisplayLayout* CreateDefaultDisplayLayout(const DisplayIdList& display_list);
const DisplayLayout& GetOrCreateRegisteredDisplayLayoutInternal(
const DisplayIdList& list,
bool create_if_not_exist);
// The default display placement.
DisplayPlacement default_display_placement_;
bool forced_mirror_mode_for_tablet_ = false;
// Display layout per list of devices.
base::flat_map<DisplayIdList, std::unique_ptr<DisplayLayout>> layouts_;
};
} // namespace display
#endif // UI_DISPLAY_MANAGER_DISPLAY_LAYOUT_STORE_H_
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