mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-12-26 13:58:46 +03:00
99 lines
3.8 KiB
Plaintext
99 lines
3.8 KiB
Plaintext
// Copyright 2016 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.
|
|
|
|
module device.mojom;
|
|
|
|
// Types of supported sensors
|
|
// When adding new sensor type, update the documentation of sensor data values
|
|
// in SensorReading struct at sensor_reading.h file.
|
|
enum SensorType {
|
|
FIRST = 1,
|
|
AMBIENT_LIGHT = FIRST,
|
|
PROXIMITY,
|
|
ACCELEROMETER,
|
|
LINEAR_ACCELERATION,
|
|
GYROSCOPE,
|
|
MAGNETOMETER,
|
|
PRESSURE,
|
|
// Legacy sensor to support the W3C DeviceOrientation Event Specification.
|
|
ABSOLUTE_ORIENTATION_EULER_ANGLES,
|
|
// Recommended for new code.
|
|
ABSOLUTE_ORIENTATION_QUATERNION,
|
|
// Legacy sensor to support the W3C DeviceOrientation Event Specification.
|
|
RELATIVE_ORIENTATION_EULER_ANGLES,
|
|
// Recommended for new code.
|
|
RELATIVE_ORIENTATION_QUATERNION,
|
|
LAST = RELATIVE_ORIENTATION_QUATERNION // Note: LAST is also equal to the types count.
|
|
};
|
|
|
|
// Reporting mode supported by the Sensor.
|
|
// ON_CHANGE - client will be notified through OnSensorReadingChanged() signal
|
|
// whenever sensor reading is changed.
|
|
// CONTINUOUS - sensor will continuously update its reading with frequency
|
|
// specified in SensorConfiguration.frequency.
|
|
// OnSensorReadingChanged() signal is not sent to the client for
|
|
// sensors with CONTINUOUS reporting mode.
|
|
enum ReportingMode {
|
|
ON_CHANGE,
|
|
CONTINUOUS
|
|
};
|
|
|
|
struct SensorConfiguration {
|
|
// Requested frequency in Hz.
|
|
double frequency;
|
|
// TODO(shalamov): Add map<string, union> for sensor specific configuration.
|
|
};
|
|
|
|
// Interface for controlling the Sensor.
|
|
interface Sensor {
|
|
|
|
// Requests sensor to provide its default configuration.
|
|
GetDefaultConfiguration() => (SensorConfiguration configuration);
|
|
|
|
// Requests sensor to start reading sensor data with specified
|
|
// SensorConfiguration.
|
|
// Sensor holds the list of added configurations and it always polls
|
|
// the platform (and updates the shared buffer) at the maxiumum frequency
|
|
// among the obtained from the stored configurations, so that all clients
|
|
// can have sensor data in time.
|
|
// Returns 'true' if |configuration| was successfully added.
|
|
// Returns 'false' if |configuration| could not be added (is invalid
|
|
// or not supported).
|
|
AddConfiguration(SensorConfiguration configuration) => (bool success);
|
|
|
|
// Requests sensor to stop reading sensor data for specified
|
|
// SensorConfiguration.
|
|
// This call excludes |configuration| from the Sensor's list making it
|
|
// reconsider the the shared buffer udpate frequency. If there are no
|
|
// configurations left in the Sensor's configuration list it stops polling
|
|
// sensor data from the platform and update the shared buffer.
|
|
// If |configuration| is not present in the Sensor's list the call is
|
|
// ignored.
|
|
RemoveConfiguration(SensorConfiguration configuration);
|
|
|
|
// Temporary suppresses sensor reading changes notification and deactivates
|
|
// all the previously added configurations for current instance.
|
|
Suspend();
|
|
|
|
// Resumes previously suspended sensor reading changes notification and
|
|
// activates all the previously added configurations for current instance.
|
|
Resume();
|
|
|
|
// Disables or enables reading change notification for sensors with ON_CHANGE
|
|
// reporting mode, keeping all the previously added configurations active.
|
|
// Reading change notification is enabled by default.
|
|
ConfigureReadingChangeNotifications(bool enabled);
|
|
};
|
|
|
|
// Interface that client of the Sensor interface must implement to observe
|
|
// sensor reading changes and error conditions.
|
|
interface SensorClient {
|
|
// Signals SensorClient when there is an error.
|
|
RaiseError();
|
|
|
|
// Signals SensorClient when reading has been changed (only for sensors with
|
|
// ReportingMode::ON_CHANGE).
|
|
SensorReadingChanged();
|
|
};
|