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79 lines
2.7 KiB
79 lines
2.7 KiB
// Copyright 2018 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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syntax = "proto2";
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option optimize_for = LITE_RUNTIME;
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package power_manager;
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// See
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// https://chromium.googlesource.com/chromiumos/platform2/+/master/power_manager/docs/screen_brightness.md
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// for information about the mapping between brightness percents and backlight
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// hardware levels.
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// Request to change the backlight brightness sent from Chrome to powerd in a
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// SetScreenBrightness D-Bus method call.
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message SetBacklightBrightnessRequest {
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// Desired backlight brightness as a percent in the range [0.0, 100.0].
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optional double percent = 1;
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// The speed at which the brightness should go to the requested percent.
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enum Transition {
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// The brightness should animate to the new percent.
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GRADUAL = 0;
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// The brightness should instantaneously go to the new percent.
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INSTANT = 1;
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}
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optional Transition transition = 2;
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// The reason the request was sent.
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enum Cause {
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// Explicit user request (typically using the onscreen brightness slider).
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USER_REQUEST = 0;
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// Automated request based on a prediction of the desired brightness.
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MODEL = 1;
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}
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optional Cause cause = 3;
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// Next value to use: 4
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}
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// Announcement of a backlight brightness change emitted by powerd via a
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// ScreenBrightnessChanged or KeyboardBrightnessChanged D-Bus signal.
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message BacklightBrightnessChange {
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// Current backlight brightness as a percent in the range [0.0, 100.0].
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optional double percent = 1;
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// The reason the brightness was changed.
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enum Cause {
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// Explicit user request, e.g. brightness keys or brightness slider.
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USER_REQUEST = 0;
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// Automated change in response to user activity (input event, video
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// activity, etc.).
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USER_ACTIVITY = 1;
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// Automated powerd change triggered by idle timeout due to user inactivity.
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USER_INACTIVITY = 2;
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// Automated powerd change due by a change to the ambient light level.
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AMBIENT_LIGHT_CHANGED = 3;
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// An external power source was connected.
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EXTERNAL_POWER_CONNECTED = 4;
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// An external power source was disconnected.
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EXTERNAL_POWER_DISCONNECTED = 5;
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// Backlights were forced off by Chrome (typically due to the user tapping
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// the power button on a convertible device).
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FORCED_OFF = 6;
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// Backlights are no longer being forced off by Chrome.
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NO_LONGER_FORCED_OFF = 7;
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// Unspecified automated change (suspend/resume, shutdown, etc.).
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OTHER = 8;
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// Automated request based on a prediction of the desired brightness.
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MODEL = 9;
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// Next value to use: 10
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}
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optional Cause cause = 2;
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// Next value to use: 3
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}
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