blob: 549c3d44a1873bbee2aaeb04a81ee9ca9c38dd03 [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 <memory>
#include "ash/ash_export.h"
#include "ash/shell_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 PrefRegistry;
class PrefRegistrySimple;
class PrefService;
namespace base {
class Value;
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 ShellObserver {
// Returns a dictionary of display pref values stored in PrefService.
// See chrome/browser/ui/ash/ for details.
static std::unique_ptr<base::Value> GetInitialDisplayPrefsFromPrefService(
PrefService* pref_service);
// Registers the prefs associated with display settings.
static void RegisterLocalStatePrefs(PrefRegistrySimple* registry);
static void RegisterForeignPrefs(PrefRegistry* registry);
explicit DisplayPrefs(std::unique_ptr<base::Value> initial_prefs);
~DisplayPrefs() override;
// ShellObserver
void OnLocalStatePrefServiceInitialized(PrefService* pref_service) override;
// Stores all current displays preferences or queues a request until
// LoadDisplayPreferences is called.
void StoreDisplayPrefs();
// 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);
// Class wrapping a PrefService and a dictionary of initial pref values to use
// until OnLocalStatePrefServiceInitialized is called.
class LocalState;
friend class DisplayPrefsTest;
// Loads display preferences from |local_state_|.
void LoadDisplayPreferences();
// Constructs a LocalState instance with |pref_service| for testing.
void SetPrefServiceForTest(PrefService* pref_service);
std::unique_ptr<LocalState> local_state_;
bool store_requested_ = false;
} // namespace ash