105 lines
4.4 KiB
Objective-C
105 lines
4.4 KiB
Objective-C
//go:build darwin
|
|
|
|
#import "mpmediabridge.h"
|
|
|
|
/**
|
|
* C bridge registering callbacks for media playback events using the native CommandCenter API.
|
|
*/
|
|
void register_os_remote_commands() {
|
|
MPRemoteCommandCenter *commandCenter = [MPRemoteCommandCenter sharedCommandCenter];
|
|
[commandCenter.playCommand addTargetWithHandler:^MPRemoteCommandHandlerStatus(MPRemoteCommandEvent * _Nonnull event) {
|
|
os_remote_command_callback(PLAY, 0);
|
|
return MPRemoteCommandHandlerStatusSuccess;
|
|
}];
|
|
|
|
[commandCenter.pauseCommand addTargetWithHandler:^MPRemoteCommandHandlerStatus(MPRemoteCommandEvent * _Nonnull event) {
|
|
os_remote_command_callback(PAUSE, 0);
|
|
return MPRemoteCommandHandlerStatusSuccess;
|
|
}];
|
|
|
|
[commandCenter.togglePlayPauseCommand addTargetWithHandler:^MPRemoteCommandHandlerStatus(MPRemoteCommandEvent * _Nonnull event) {
|
|
os_remote_command_callback(TOGGLE, 0);
|
|
return MPRemoteCommandHandlerStatusSuccess;
|
|
}];
|
|
|
|
[commandCenter.stopCommand addTargetWithHandler:^MPRemoteCommandHandlerStatus(MPRemoteCommandEvent * _Nonnull event) {
|
|
os_remote_command_callback(STOP, 0);
|
|
return MPRemoteCommandHandlerStatusSuccess;
|
|
}];
|
|
|
|
[commandCenter.nextTrackCommand addTargetWithHandler:^MPRemoteCommandHandlerStatus(MPRemoteCommandEvent * _Nonnull event) {
|
|
os_remote_command_callback(NEXT_TRACK, 0);
|
|
return MPRemoteCommandHandlerStatusSuccess;
|
|
}];
|
|
|
|
[commandCenter.previousTrackCommand addTargetWithHandler:^MPRemoteCommandHandlerStatus(MPRemoteCommandEvent * _Nonnull event) {
|
|
os_remote_command_callback(PREVIOUS_TRACK, 0);
|
|
return MPRemoteCommandHandlerStatusSuccess;
|
|
}];
|
|
|
|
[commandCenter.changePlaybackPositionCommand addTargetWithHandler:^MPRemoteCommandHandlerStatus(MPRemoteCommandEvent * _Nonnull event) {
|
|
MPChangePlaybackPositionCommandEvent *positionChangeEvent = (MPChangePlaybackPositionCommandEvent *)event;
|
|
os_remote_command_callback(SEEK, positionChangeEvent.positionTime);
|
|
return MPRemoteCommandHandlerStatusSuccess;
|
|
}];
|
|
}
|
|
|
|
/**
|
|
* C bridge setting "Now Playing" information on macOS for media playback using the native APIs.
|
|
*/
|
|
void set_os_now_playing_info(const char *title, const char *artist, const char *coverArtFileURL, double trackDuration) {
|
|
NSString *coverArtLocationString = [NSString stringWithUTF8String:coverArtFileURL];
|
|
NSURL *coverArtURL = [NSURL URLWithString:coverArtLocationString];
|
|
NSImage *coverArtImage = [[NSImage alloc] initWithContentsOfURL:coverArtURL];
|
|
|
|
MPMediaItemArtwork *coverArt = [[MPMediaItemArtwork alloc] initWithBoundsSize:coverArtImage.size requestHandler:^NSImage * _Nonnull(CGSize size) {
|
|
return coverArtImage;
|
|
}];
|
|
|
|
MPNowPlayingInfoCenter *infoCenter = [MPNowPlayingInfoCenter defaultCenter];
|
|
NSDictionary *nowPlayingInfo = @{
|
|
MPMediaItemPropertyTitle: [NSString stringWithUTF8String:title],
|
|
MPMediaItemPropertyArtist: [NSString stringWithUTF8String:artist],
|
|
MPMediaItemPropertyArtwork: coverArt,
|
|
MPNowPlayingInfoPropertyElapsedPlaybackTime: @(0),
|
|
MPMediaItemPropertyPlaybackDuration: @(trackDuration) // Expects 'NSNumber'
|
|
};
|
|
|
|
infoCenter.nowPlayingInfo = nowPlayingInfo;
|
|
}
|
|
|
|
/**
|
|
* C bridge updating the OS playback position.
|
|
* creates a mutable copy of the immutable dictionary and writes it back with updated position.
|
|
*/
|
|
void update_os_now_playing_info_position(double positionSeconds) {
|
|
MPNowPlayingInfoCenter *infoCenter = [MPNowPlayingInfoCenter defaultCenter];
|
|
NSMutableDictionary *updatedInfo = [infoCenter.nowPlayingInfo mutableCopy];
|
|
updatedInfo[MPNowPlayingInfoPropertyElapsedPlaybackTime] = @(positionSeconds);
|
|
infoCenter.nowPlayingInfo = [updatedInfo copy];
|
|
}
|
|
|
|
/**
|
|
* C bridge setting the OS playback state to 'playing'.
|
|
*/
|
|
void set_os_playback_state_playing() {
|
|
MPNowPlayingInfoCenter *infoCenter = [MPNowPlayingInfoCenter defaultCenter];
|
|
infoCenter.playbackState = MPNowPlayingPlaybackStatePlaying;
|
|
}
|
|
|
|
/**
|
|
* C bridge setting the OS playback state to 'paused'.
|
|
*/
|
|
void set_os_playback_state_paused() {
|
|
MPNowPlayingInfoCenter *infoCenter = [MPNowPlayingInfoCenter defaultCenter];
|
|
infoCenter.playbackState = MPNowPlayingPlaybackStatePaused;
|
|
}
|
|
|
|
/**
|
|
* C bridge setting the OS playback state to 'stopped'.
|
|
*/
|
|
void set_os_playback_state_stopped() {
|
|
MPNowPlayingInfoCenter *infoCenter = [MPNowPlayingInfoCenter defaultCenter];
|
|
infoCenter.playbackState = MPNowPlayingPlaybackStateStopped;
|
|
}
|