// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
syntax = "proto2";
package ash.power.ml;
option optimize_for = LITE_RUNTIME;
// ScreenBrightnessEvent contains features, labels and related information for
// the Adaptive Screen Brightness project. These will be used for logging and
// model inference.
message ScreenBrightnessEvent {
message Features {
// DeviceSpec is fixed per device. It's really important to have these info
// as perceived brightness varies a lot across different devices.
message DeviceSpec {
// Does the device have an ambient light sensor?
optional bool has_ambient_light_sensor = 1;
}
// ActivityData contains all user-related activity features.
message ActivityData {
// Local time of the day when logging/prediction happened.
optional int32 time_of_day_sec = 1;
enum DayOfWeek {
SUN = 0;
MON = 1;
TUE = 2;
WED = 3;
THU = 4;
FRI = 5;
SAT = 6;
}
// Logging event's day of the week.
optional DayOfWeek day_of_week = 2;
// Number of input events of various types in the past hour.
optional int32 num_recent_mouse_events = 3;
optional int32 num_recent_key_events = 4;
optional int32 num_recent_stylus_events = 5;
optional int32 num_recent_touch_events = 6;
// Last activity in sec from the time when data was logged.
optional int32 last_activity_time_sec = 7;
// Time spent on the most recent activity. An activity ends after 20
// seconds of inactivity. If there is a current unfinished activity, it
// will be the activity counted here.
optional int32 recent_time_active_sec = 8;
// Whether video/audio is playing.
optional bool is_video_playing = 9;
optional bool is_audio_playing = 10;
}
// Related to accessibility settings.
message AccessibilityData {
optional bool is_magnifier_enabled = 1;
optional bool is_high_contrast_enabled = 2;
optional bool is_large_cursor_enabled = 3;
optional bool is_virtual_keyboard_enabled = 4;
optional bool is_spoken_feedback_enabled = 5;
optional bool is_select_to_speak_enabled = 6;
optional bool is_mono_audio_enabled = 7;
optional bool is_caret_highlight_enabled = 8;
optional bool is_cursor_highlight_enabled = 9;
optional bool is_focus_highlight_enabled = 10;
optional bool is_braille_display_connected = 11;
optional bool is_autoclick_enabled = 12;
optional bool is_switch_access_enabled = 13;
}
// EnvData contains all non-user-specific environmental features.
message EnvData {
optional bool on_battery = 1;
optional float battery_percent = 2;
enum DeviceMode {
// Lid state was not available (e.g. powerd not running).
UNKNOWN_MODE = 0;
// Lid is closed.
CLOSED_LID = 1;
// Lid is open, tablet mode is off or unsupported.
LAPTOP = 2;
// Lid is open, tablet mode is on or no lid at all.
TABLET = 3;
}
optional DeviceMode device_mode = 3;
// Night light temperature percentage if night light mode is enabled. On
// a scale from 0 to 100.
optional int32 night_light_temperature_percent = 4;
// The brightness of the screen prior to the time at which the current
// event was logged. If an event is logged periodically, it will be the
// same as |Event.brightness|. It is only unset if event is logged due to
// brightness change but there is no initial brightness recorded.
optional int32 previous_brightness = 5;
}
optional DeviceSpec device_spec = 1;
optional ActivityData activity_data = 2;
optional AccessibilityData accessibility_data = 3;
optional EnvData env_data = 4;
}
message Event {
enum Reason {
// User increases brightness
USER_UP = 1;
// User reduces brightness
USER_DOWN = 2;
// Model prediction and adjustment
MODEL = 3;
// Model exploration
EXPLORE = 4;
// Automated change in response to user activity (input event, video
// activity, etc.).
USER_ACTIVITY = 5;
// Powerd has dimmed the screen.
DIMMED_FOR_INACTIVITY = 6;
// Powerd has turned the screen off.
OFF_FOR_INACTIVITY = 7;
// Current adaptive system changed the brightness
AMBIENT_LIGHT_CHANGED = 8;
// An external power source was connected.
EXTERNAL_POWER_CONNECTED = 9;
// An external power source was disconnected.
EXTERNAL_POWER_DISCONNECTED = 10;
// Backlights were forced off by Chrome (typically due to the user tapping
// the power button on a convertible device).
FORCED_OFF = 11;
// Backlights are no longer being forced off by Chrome.
NO_LONGER_FORCED_OFF = 12;
// Logging at a regular time interval.
PERIODIC = 13;
// Some other automated change.
OTHER = 14;
}
// If event reason is MODEL, we also log what happened after model
// changed the brightness level. This will be used to eval our models.
message ModelOutcome {
// Model's predicted brightness.
optional int32 model_brightness = 1;
// If user intervened and changed the brightness, it is recorded below.
optional int32 user_brightness = 2;
}
// Final selected brightness.
optional int32 brightness = 1;
optional Reason reason = 2;
optional ModelOutcome model_outcome = 3;
// Time in seconds since the last event was logged. Unset if there wasn't an
// earlier event.
optional int32 time_since_last_event_sec = 4;
}
optional Features features = 1;
optional Event event = 2;
}
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