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SetMediaClockTimer

Type
Function
Sender
SDL
Purpose
Set a value and update mode for the media clock of a media application.

The UI.SetMediaClock timer request indicates either an initial value for the media clock timer for a media application or an update to this value. The request may come for the application which is not currently active on the HMI.

Request

Must
  1. Perform the update type indicated by the updateMode parameter:
    • If the application is not active, the HMI must still store the values to be calculated for later display on the HMI.
    • If the application is active, the updates must begin immediately.
  2. Exhibit the following behavior based on the updateMode parameter:
    • COUNTUP/COUNTDOWN modes:
      • Start counting up or down from the requested startTime value with a step of 1 second;
      • Continue counting up or down until:
        • The next request of SetMediaClockTimer with appropriate parameters comes;
        • Zero is reached in the case of COUNTDOWN.
    • PAUSE mode:
      • Pause the timer that is counting up or down;
      • If startTime or endTime parameters are provided, the values must be updated on the HMI.
    • CLEAR mode:
      • Clear startTime to 00:00:00 in the case that the startTime parameter is not provided in the request, otherwise, startTime must be updated with a new value. It is up to HMI to determine the way the media clock timer is cleared: either to remove it from display or to set it to zero.
  3. Respond with the result code (see response section) correspondingly to the results of this RPC execution.
Note
  1. SDL will not send this request if the mediaClock field is not indicated as supported in UI.GetCapabilities.
  2. HMI must remember the mode and the value (continuing to update it in case of COUNTUP / COUNTDOWN) of the media clock timer associated with appID and display the accurate values whenever the appID application is activated after having been deactivated.
  3. Initially, the appID together with other application-related information is provided by SDL within one of UpdateAppList and OnAppRegistered RPCs.

Parameters

Name Type Mandatory Description
startTime Common.TimeFormat false startTime must be provided together with modes: "COUNTUP", "COUNTDOWN", "PAUSE" to HMI. startTime will be ignored for "RESUME", and "CLEAR".
endTime Common.TimeFormat false endTime can be provided together with modes: "COUNTUP", "COUNTDOWN", "PAUSE" to HMI. To be used to calculate any visual progress bar (if not provided, this feature is ignored). If endTime is greater then startTime for COUNTDOWN or less than startTime for COUNTUP, then the request will return an INVALID_DATA. endTime will be ignored for "PAUSE", "RESUME", and "CLEAR".
updateMode Common.ClockUpdateMode true Enumeration to control the media clock. In case of pause, resume, or clear, the start time value is ignored and shall be left out. For resume, the time continues with the same value as it was when paused.
audioStreamingIndicator Common.AudioStreamingIndicator false Indicates that a button press of the Play/Pause button would play, pause or stop the current playback.
appID Integer true

Response

Parameters

This RPC has no additional parameter requirements

Sequence Diagrams

Example Request

{
  "id" : 109,
  "jsonrpc" : "2.0",
  "method" : "UI.SetMediaClockTimer",
  "params" :
  {
    "startTime" :
    {
         "hours" : 0,
         "minutes" : 18,
         "seconds" : 17
    },
    "updateMode" : "COUNTUP",
    "audioStreamingIndicator" : "PAUSE",
    "appID" : 65146
  }
}

Example Response

{
  "id" : 109,
  "jsonrpc" : "2.0",
  "result" :
  {
    "code" : 0,
    "method" : "UI.SetMediaClockTimer"
  }
}

Example Error

{
  "id" : 109,
  "jsonrpc" : "2.0",
  "error" :
  {
    "code" : 11,
    "message" : "Invalid data",
    "data" :
    {
      "method" : "UI.SetMediaClockTimer"
    }
  }
}
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