blob: bb42e6cecad1e6b94d0e9691b13fe1c3083b7cea [file] [log] [blame]
// Copyright (c) 2012 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.
#include <stdint.h>
#include <array>
#include "ash/ash_export.h"
#include "ash/session/session_observer.h"
#include "base/optional.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
#include "ui/display/display.h"
#include "ui/display/display_layout.h"
class PrefRegistrySimple;
class PrefService;
namespace gfx {
class Point;
namespace display {
struct MixedMirrorModeParams;
struct TouchCalibrationData;
} // namespace display
namespace ash {
class DisplayPrefsTest;
// Manages display preference settings. Settings are stored in the local state
// for the session.
class ASH_EXPORT DisplayPrefs : public SessionObserver {
// Registers the prefs associated with display settings.
static void RegisterLocalStatePrefs(PrefRegistrySimple* registry);
explicit DisplayPrefs(PrefService* local_state);
~DisplayPrefs() override;
// SessionObserver:
void OnFirstSessionStarted() override;
// Stores all current displays preferences or queues a request until
// LoadDisplayPreferences is called.
void MaybeStoreDisplayPrefs();
// Test helper methods.
void StoreDisplayRotationPrefsForTest(display::Display::Rotation rotation,
bool rotation_lock);
void StoreDisplayLayoutPrefForTest(const display::DisplayIdList& list,
const display::DisplayLayout& layout);
void StoreDisplayPowerStateForTest(chromeos::DisplayPowerState power_state);
void LoadTouchAssociationPreferenceForTest();
void StoreLegacyTouchDataForTest(int64_t display_id,
const display::TouchCalibrationData& data);
// Parses the marshalled string data stored in local preferences for
// calibration points and populates |point_pair_quad| using the unmarshalled
// data. See TouchCalibrationData in Managed display info.
bool ParseTouchCalibrationStringForTest(
const std::string& str,
std::array<std::pair<gfx::Point, gfx::Point>, 4>* point_pair_quad);
// Stores the given |mixed_params| for tests. Clears stored parameters if
// |mixed_params| is null.
void StoreDisplayMixedMirrorModeParamsForTest(
const base::Optional<display::MixedMirrorModeParams>& mixed_params);
friend class DisplayPrefsTest;
// Loads display preferences from |local_state_|.
void LoadDisplayPreferences();
// Sets |local_state| for testing.
void SetPrefServiceForTest(PrefService* local_state);
PrefService* local_state_ = nullptr; // Non-owned and must out-live this.
bool store_requested_ = false;
} // namespace ash