gecko-dev/dom/tv/nsITVService.idl

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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsISupports.idl"
interface nsIArray;
%{C++
#define TV_TUNER_DATA_CID \
{ 0x1f36be28, 0xf9fe, 0x2dc3, { 0xbf, 0x2a, 0x17, 0x97, 0x93, 0x40, 0xff, 0xe1 } }
#define TV_TUNER_DATA_CONTRACTID \
"@mozilla.org/tv/tvtunerdata;1"
%}
/**
* XPCOM component which acts as the container for tuner data.
*
* NOTE: Use do_CreateInstance() to create the Gecko provided implementation,
* and then uses the setter functions to adjust the properties of the object
* before passing it.
*/
[scriptable, builtinclass, uuid(c6d39e86-022b-4db5-b0df-602abfbeac69)]
interface nsITVTunerData : nsISupports
{
/**
* Switch TVTuner.stream type.
* TV_STREAM_TYPE_SIMULATOR : Simulate the MediaStream. This MediaStream load from Profile Directory.
* TV_STREAM_TYPE_HW : Get from real device
*/
const unsigned short TV_STREAM_TYPE_SIMULATOR = 0;
const unsigned short TV_STREAM_TYPE_HW = 1;
attribute unsigned short streamType;
attribute DOMString id;
/**
* Get the supported source types of the tuner. Please refer to
* http://seanyhlin.github.io/TV-Manager-API/ for available values.
*
* @param count The number of supported source types.
* @param sourceTypes An array of supported source types.
*/
void getSupportedSourceTypes([optional] out unsigned long count,
[retval, array, size_is(count)] out string sourceTypes);
/**
* Set the supported source types of the tuner. Please refer to
* http://seanyhlin.github.io/TV-Manager-API/ for available values.
*
* @param count The number of supported source types.
* @param sourceTypes An array of supported source types.
*/
void setSupportedSourceTypes(in unsigned long count,
[array, size_is(count)] in string sourceTypes);
};
%{C++
#define TV_CHANNEL_DATA_CID \
{ 0xdafe6881, 0x0964, 0xdb5b, { 0x59, 0xc6, 0x20, 0x0b, 0xa6, 0x59, 0xe6, 0x68 } }
#define TV_CHANNEL_DATA_CONTRACTID \
"@mozilla.org/tv/tvchanneldata;1"
%}
/**
* XPCOM component which acts as the container for channel data.
*
* NOTE: Use do_CreateInstance() to create the Gecko provided implementation,
* and then uses the setter functions to adjust the properties of the object
* before passing it.
*/
[scriptable, builtinclass, uuid(5d01ea74-2db6-11e4-9dba-74d02b97e723)]
interface nsITVChannelData : nsISupports
{
attribute DOMString networkId;
attribute DOMString transportStreamId;
attribute DOMString serviceId;
attribute DOMString type;
attribute DOMString number;
attribute DOMString name;
[infallible] attribute boolean isEmergency;
[infallible] attribute boolean isFree;
};
%{C++
#define TV_PROGRAM_DATA_CID \
{ 0x11415eeb, 0x27a6, 0x1c04, { 0x91, 0x33, 0x3e, 0x0a, 0xdd, 0x48, 0x5d, 0xb3 } }
#define TV_PROGRAM_DATA_CONTRACTID \
"@mozilla.org/tv/tvprogramdata;1"
%}
/**
* XPCOM component which acts as the container for program data.
*
* NOTE: Use do_CreateInstance() to create the Gecko provided implementation,
* and then uses the setter functions to adjust the properties of the object
* before passing it.
*/
[scriptable, builtinclass, uuid(ed65422e-2d97-11e4-89d6-74d02b97e723)]
interface nsITVProgramData : nsISupports
{
attribute DOMString eventId;
attribute DOMString title;
[infallible] attribute unsigned long long startTime;
[infallible] attribute unsigned long long duration;
attribute DOMString description;
attribute DOMString rating;
/**
* Get the audio languages of the program. Please refer to
* http://seanyhlin.github.io/TV-Manager-API/ for available values.
*
* @param count The number of languages.
* @param languages An array of languages.
*/
void getAudioLanguages([optional] out unsigned long count,
[retval, array, size_is(count)] out string languages);
/**
* Set the audio languages of the program. Please refer to
* http://seanyhlin.github.io/TV-Manager-API/ for available values.
*
* @param count The number of languages.
* @param languages An array of languages.
*/
void setAudioLanguages(in unsigned long count,
[array, size_is(count)] in string languages);
/**
* Get the subtitle languages of the program. Please refer to
* http://seanyhlin.github.io/TV-Manager-API/ for available values.
*
* @param count The number of languages.
* @param languages An array of languages.
*/
void getSubtitleLanguages([optional] out unsigned long count,
[retval, array, size_is(count)] out string languages);
/**
* Set the subtitle languages of the program. Please refer to
* http://seanyhlin.github.io/TV-Manager-API/ for available values.
*
* @param count The number of languages.
* @param languages An array of languages.
*/
void setSubtitleLanguages(in unsigned long count,
[array, size_is(count)] in string languages);
};
[scriptable, builtinclass, uuid(47746633-1b77-4df4-9424-d315bde3d455)]
interface nsITVSourceListener : nsISupports
{
/**
* Called when a channel is detected through scanning (after
* |nsITVService::startScanningChannels()| is invoked and probably before
* |nsITVService::stopScanningChannels()|, if any, is invoked).
*
* @param tunerId The ID of the tuner which the source belongs to.
* @param sourceType The type of the source which the channel belongs to.
* Please refer to http://seanyhlin.github.io/TV-Manager-API/
* for available values.
* @param channelData The data of the added channel.
*/
void notifyChannelScanned(in DOMString tunerId,
in DOMString sourceType,
in nsITVChannelData channelData);
/**
* Called when the operation of channel scanning is complete (after
* |nsITVService::startScanningChannels()| is invoked).
*
* @param tunerId The ID of the tuner which the source belongs to.
* @param sourceType The type of the source which the channel belongs to.
* Please refer to http://seanyhlin.github.io/TV-Manager-API/
* for available values.
*/
void notifyChannelScanComplete(in DOMString tunerId,
in DOMString sourceType);
/**
* Called when the operation of channel scanning is forced to stop due to
* something wrong during scanning.
*
* @param tunerId The ID of the tuner which the source belongs to.
* @param sourceType The type of the source which the channel belongs to.
* Please refer to http://seanyhlin.github.io/TV-Manager-API/
* for available values.
*/
void notifyChannelScanStopped(in DOMString tunerId,
in DOMString sourceType);
/**
* Called when a new EIT is broadcasted.
*
* @param tunerId The ID of the tuner which the source belongs to.
* @param sourceType The type of the source which the channel belongs to.
* Please refer to http://seanyhlin.github.io/TV-Manager-API/
* for available values.
* @param channelData The channel data which the programs belong to.
* @param programDataList An array of correspondent program data.
* @param count The number of programs.
*/
void notifyEITBroadcasted(in DOMString tunerId,
in DOMString sourceType,
in nsITVChannelData channelData,
[array, size_is(count)] in nsITVProgramData programDataList,
in unsigned long count);
};
[scriptable, builtinclass, uuid(01582a11-4707-455d-8d2a-2c8de8227dad)]
interface nsITVServiceCallback : nsISupports
{
const unsigned short TV_ERROR_OK = 0;
const unsigned short TV_ERROR_FAILURE = 1;
const unsigned short TV_ERROR_INVALID_ARG = 2;
const unsigned short TV_ERROR_NO_SIGNAL = 3;
const unsigned short TV_ERROR_NOT_SUPPORTED = 4;
/**
* Called when something wrong happens.
*
* @param errorCode Error code listed above from the underlying layer.
*/
void notifyError(in unsigned short errorCode);
/**
* Called when the operation succeeds.
*
* @param dataList A list of data.
* An array of |nsITVTunerData| when used for |getTuners()|.
* An array of |nsITVChannelData| ordered by the LCN (Logical
* Channel Number) when used for |getChannels()|.
* An array of |nsITVProgramData| ordered by the start time
* for |getPrograms()|.
* An array of |nsITVChannelData| with only one element for
* |setChannel()|.
* An array of |nsISupportsString| with only one element for
* |getOverlayId()|.
*
* NOTE: |nsIArray| is adopted to prevent this interface from being split into
* multiple interfaces with different |notifySuccess|. Though the
* implementation of TV service may need |nsIMutableArray| to fill in the
* array, it doesn't seem necessary for other places to use the mutable one.
*/
void notifySuccess([optional] in nsIArray dataList);
};
%{C++
#define TV_SERVICE_CONTRACTID \
"@mozilla.org/tv/tvservice;1"
%}
/**
* XPCOM component which interacts with the underlying TV components.
*
* NOTE: The implementation is expected to be done by TV vendors to cooperate
* with their own TV stack. The methods should not be called on any thread
* except for the XPCOM main thread.
*
* NOTE: The callbacks passing in the methods must be called asynchronously. In
* the implementation, actual runnable objects may need to be created and call
* the callback off of the runnables, after the function returns.
* TVServiceRunnables.h provides some ready-made runnables and could be used in
* the following way.
*
* nsCOMPtr<nsIRunnable> runnable =
* new TVServiceNotifyRunnable(callback, dataList, optional errorCode);
* return NS_DispatchToCurrentThread(runnable);
*/
[scriptable, uuid(e52f93f1-6071-468b-a198-d8e6bc5ca348)]
interface nsITVService : nsISupports
{
attribute nsITVSourceListener sourceListener;
/**
* Get all tuners.
*
* @param callback The callback object where either |notifyError| or
* |notifySuccess|, which takes an array of
* |nsITVTunerData|, is expected.
*/
void getTuners(in nsITVServiceCallback callback);
/**
* Set the source type to be used by the given tuner.
*
* @param tunerId The ID of the tuner.
* @param sourceType The source type to be used.
* @param callback The callback object where either |notifyError| or
* |notifySuccess| is expected.
*/
void setSource(in DOMString tunerId,
in DOMString sourceType,
in nsITVServiceCallback callback);
/**
* Start scanning channels on the given tuner.
*
* Once the operation successfully starts, a series of |notifyChannelScanned|
* from |nsITVSourceListener| are expected, and followed by one of either
* |notifyChannelScanComplete| or |notifyChannelScanStopped|.
*
* @param tunerId The ID of the tuner.
* @param sourceType The source type to be used.
* @param callback The callback object where either |notifyError| or
* |notifySuccess| is expected.
*/
void startScanningChannels(in DOMString tunerId,
in DOMString sourceType,
in nsITVServiceCallback callback);
/**
* Stop scanning channels on the given tuner.
*
* Once the operation succeeds, a call of |notifyChannelScanStopped| from
* |nsITVSourceListener| should be expected.
*
* @param tunerId The ID of the tuner.
* @param sourceType The source type to be used.
* @param callback The callback object where either |notifyError| or
* |notifySuccess| is expected.
*/
void stopScanningChannels(in DOMString tunerId,
in DOMString sourceType,
in nsITVServiceCallback callback);
/**
* Clear the cache for scanned channels, if any, from the underlying layer.
*/
void clearScannedChannelsCache();
/**
* Set the channel to be used by the tuner.
*
* @param tunerId The ID of the tuner.
* @param sourceType The source type to be used.
* @param channelNumber The LCN (Logical Channel Number) of the channel.
* @param callback The callback object where either |notifyError| or
* |notifySuccess| is expected.
*/
void setChannel(in DOMString tunerId,
in DOMString sourceType,
in DOMString channelNumber,
in nsITVServiceCallback callback);
/**
* Get the channels, ordered by the LCN (Logical Channel Number), of a given
* source type.
*
* @param tunerId The ID of the tuner.
* @param sourceType The source type to be used.
* @param callback The callback object where either |notifyError| or
* |notifySuccess|, which takes an array of
* |nsITVChannelData| ordered by the LCN (Logical Channel
* Number), is expected.
*/
void getChannels(in DOMString tunerId,
in DOMString sourceType,
in nsITVServiceCallback callback);
/**
* Get the programs, ordered by the start time, of a given channel.
*
* @param tunerId The ID of the tuner.
* @param sourceType The source type to be used.
* @param channelNumber The LCN (Logical Channel Number) of the channel.
* @param startTime The begining of the searching time frame for programs.
* @param endTime The end of the searching time frame for programs.
* @param callback The callback object where either |notifyError| or
* |notifySuccess|, which takes an array of
* |nsITVProgramData| ordered by the start time, is
* expected.
*/
void getPrograms(in DOMString tunerId,
in DOMString sourceType,
in DOMString channelNumber,
in unsigned long long startTime,
in unsigned long long endTime,
in nsITVServiceCallback callback);
/**
* Get the overlay ID of a given tuner.
*
* @param tunerId The ID of the tuner.
* @param callback The callback object where either |notifyError| or
* |notifySuccess|, which takes an array of
* |nsISupportsString| with only one element, is expected.
*/
void getOverlayId(in DOMString tunerId,
in nsITVServiceCallback callback);
};