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// Copyright 2018 The ChromiumOS Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
syntax = "proto2";
option optimize_for = LITE_RUNTIME;
package power_manager;
option go_package = "go.chromium.org/chromiumos/system_api/power_manager_proto";
// See
// https://chromium.googlesource.com/chromiumos/platform2/+/HEAD/power_manager/docs/screen_brightness.md
// for information about the mapping between brightness percents and backlight
// hardware levels.
// Request to change the backlight brightness sent from Chrome to powerd in a
// SetScreenBrightness D-Bus method call.
message SetBacklightBrightnessRequest {
// Desired backlight brightness as a percent in the range [0.0, 100.0].
optional double percent = 1;
// The speed at which the brightness should go to the requested percent.
enum Transition {
// The brightness will be instantaneously set to the new percent.
INSTANT = 1;
// The brightness will quickly animate to the new percent. This should
// typically be used in response to a user request.
FAST = 0;
// The brightness will slowly animate to the new percent. This should
// typically be used to perform an automated change that was not directly
// requested by the user.
SLOW = 2;
}
optional Transition transition = 2;
// The reason the request was sent.
enum Cause {
// Explicit user request (typically using the onscreen brightness slider).
USER_REQUEST = 0;
// Automated request based on a prediction of the desired brightness.
MODEL = 1;
// User request via the Settings app.
USER_REQUEST_FROM_SETTINGS_APP = 2;
// Brightness was restored to the previous user preference (typically on the
// login screen).
RESTORED_FROM_USER_PREFERENCE = 3;
// Brightness was changed due to a battery saver state change.
BATTERY_SAVER_STATE_CHANGED = 4;
}
optional Cause cause = 3;
// Next value to use: 4
}
// Request to change the ambient light sensor sent from Chrome to powerd in a
// SetAmbientLightSensorEnabled D-Bus method call.
message SetAmbientLightSensorEnabledRequest {
// Desired status of the ambient light sensor.
optional bool sensor_enabled = 1;
// The reason for sending the request.
enum Cause {
// User request via the Settings app.
USER_REQUEST_FROM_SETTINGS_APP = 0;
// Ambient light sensor was restored to the previous user
// preference (typically on the login screen).
RESTORED_FROM_USER_PREFERENCE = 1;
}
optional Cause cause = 2;
// Next value to use: 3
}
// Announcement of a backlight brightness change emitted by powerd via a
// ScreenBrightnessChanged or KeyboardBrightnessChanged D-Bus signal.
message BacklightBrightnessChange {
// Current backlight brightness as a percent in the range [0.0, 100.0].
optional double percent = 1;
// The reason the brightness was changed.
enum Cause {
// Explicit user request, e.g. brightness keys or brightness slider.
USER_REQUEST = 0;
// Automated change in response to user activity (input event, video
// activity, etc.).
USER_ACTIVITY = 1;
// Automated powerd change triggered by idle timeout due to user inactivity.
USER_INACTIVITY = 2;
// Automated powerd change due by a change to the ambient light level.
AMBIENT_LIGHT_CHANGED = 3;
// An external power source was connected.
EXTERNAL_POWER_CONNECTED = 4;
// An external power source was disconnected.
EXTERNAL_POWER_DISCONNECTED = 5;
// Backlights were forced off by Chrome (typically due to the user tapping
// the power button on a convertible device).
FORCED_OFF = 6;
// Backlights are no longer being forced off by Chrome.
NO_LONGER_FORCED_OFF = 7;
// Unspecified automated change (suspend/resume, shutdown, etc.).
OTHER = 8;
// Automated request based on a prediction of the desired brightness.
MODEL = 9;
// A notification that is allowed to wake the device was created or updated.
WAKE_NOTIFICATION = 10;
// Backlights were toggled off by the user (typically due to the
// user pressing the keyboard backlight toggle keyboard key).
USER_TOGGLED_OFF = 11;
// Backlights are toggled on by user.
USER_TOGGLED_ON = 12;
// Changed due to battery saver state change.
BATTERY_SAVER_STATE_CHANGED = 13;
// User request via the Settings app.
USER_REQUEST_FROM_SETTINGS_APP = 14;
// Brightness was restored to the previous user preference (typically on the
// login screen).
RESTORED_FROM_USER_PREFERENCE = 15;
// Next value to use: 16
}
optional Cause cause = 2;
// Next value to use: 3
}
// Announcement of a change to the ambient light sensor state emitted by powerd
// via a AmbientLightSensorEnabledChanged D-Bus signal.
message AmbientLightSensorChange {
// Current status of the ambient light sensor.
optional bool sensor_enabled = 1;
// The reason the ambient light sensor status was changed.
enum Cause {
// Ambient light sensor usage was disabled because no sensor is present.
NO_SENSOR_PRESENT = 0;
// Ambient light sensor was disabled because it was not supplying readings.
NO_READINGS_FROM_ALS = 1;
// User directly toggled the ambient light sensor via the Settings app.
USER_REQUEST_SETTINGS_APP = 2;
// Ambient light sensor was disabled as a result of a brightness change
// triggered by the user (e.g. brightness keys or quick settings slider).
BRIGHTNESS_USER_REQUEST = 3;
// Ambient light sensor was disabled as a result of a brightness change
// triggered by the user from the Settings app.
BRIGHTNESS_USER_REQUEST_SETTINGS_APP = 4;
// Ambient light sensor status was changed as a result of a brightness
// change not triggered by the user.
BRIGHTNESS_OTHER = 5;
// Ambient light sensor status was restored to the previous user preference
// (typically on the login screen).
RESTORED_FROM_USER_PREFERENCE = 6;
// Next value to use: 7
}
optional Cause cause = 2;
}
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