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55 lines
2.1 KiB
Plaintext
55 lines
2.1 KiB
Plaintext
// Copyright 2017 The Chromium 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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module ash.mojom;
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// Represents a geolocation position fix. It's "simple" because it doesn't
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// expose all the parameters of the position interface as defined by the
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// Geolocation API Specification:
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// (https://dev.w3.org/geo/api/spec-source.html#position_interface).
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// The NightLightController is only interested in valid latitude and longitude.
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// It also doesn't require any specific accuracy. The more accurate the
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// positions, the more accurate sunset and sunrise times calculations. However,
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// an IP-based geoposition is considered good enough.
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struct SimpleGeoposition {
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double latitude;
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double longitude;
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};
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// Used by a client (e.g. Chrome) to provide the current user's geoposition.
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interface NightLightController {
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// These values are written to logs. New enum values can be added, but
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// existing enums must never be renumbered or deleted and reused.
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enum ScheduleType {
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// Automatic toggling of NightLight is turned off.
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kNone = 0,
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// Turned automatically on at the user's local sunset time, and off at the
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// user's local sunrise time.
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kSunsetToSunrise = 1,
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// Toggled automatically based on the custom set start and end times
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// selected by the user from the system settings.
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kCustom = 2,
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// Must be the last item, used for UMA histograms.
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kLast = kCustom,
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};
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// Sets the client that will be notified of changes in the Night Light
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// schedule type.
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SetClient(NightLightClient client);
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// Provides the NightLightController with the user's geoposition so that it
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// can calculate the sunset and sunrise times. This should only be called when
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// the schedule type is set to "Sunset to Sunrise".
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SetCurrentGeoposition(SimpleGeoposition position);
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};
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// Used by ash to notify a client (e.g. Chrome) of the changes in the Night
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// Light schedule type.
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interface NightLightClient {
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// Notifies the client with the new schedule type whenever it changes.
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OnScheduleTypeChanged(NightLightController.ScheduleType new_type);
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}; |