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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/system_media_controls/mac/now_playing_info_center_delegate_cocoa.h"
#import <MediaPlayer/MediaPlayer.h>
@interface NowPlayingInfoCenterDelegateCocoa ()
// Initialize the |nowPlayingInfo_| dictionary with values.
- (void)initializeNowPlayingInfoValues;
// Give MPNowPlayingInfoCenter the updated nowPlayingInfo_ dictionary.
- (void)updateNowPlayingInfo;
@end
@implementation NowPlayingInfoCenterDelegateCocoa {
NSMutableDictionary* __strong _nowPlayingInfo;
}
- (instancetype)init {
if (self = [super init]) {
_nowPlayingInfo = [[NSMutableDictionary alloc] init];
[self resetNowPlayingInfo];
[self updateNowPlayingInfo];
}
return self;
}
- (void)resetNowPlayingInfo {
[_nowPlayingInfo removeAllObjects];
[self initializeNowPlayingInfoValues];
[MPNowPlayingInfoCenter defaultCenter].nowPlayingInfo = nil;
}
- (void)setPlaybackState:(MPNowPlayingPlaybackState)state {
[MPNowPlayingInfoCenter defaultCenter].playbackState = state;
}
- (void)setTitle:(NSString*)title {
[_nowPlayingInfo setObject:title forKey:MPMediaItemPropertyTitle];
}
- (void)setArtist:(NSString*)artist {
[_nowPlayingInfo setObject:artist forKey:MPMediaItemPropertyArtist];
}
- (void)setAlbum:(NSString*)album {
[_nowPlayingInfo setObject:album forKey:MPMediaItemPropertyAlbumTitle];
}
- (void)setPlaybackRate:(NSNumber*)rate {
[_nowPlayingInfo setObject:rate forKey:MPNowPlayingInfoPropertyPlaybackRate];
}
- (void)setCurrentPlaybackDate:(NSDate*)date {
[_nowPlayingInfo setObject:date
forKey:MPNowPlayingInfoPropertyCurrentPlaybackDate];
}
- (void)setElapsedPlaybackTime:(NSNumber*)time {
[_nowPlayingInfo setObject:time
forKey:MPNowPlayingInfoPropertyElapsedPlaybackTime];
}
- (void)setDuration:(NSNumber*)duration {
[_nowPlayingInfo setObject:duration
forKey:MPMediaItemPropertyPlaybackDuration];
}
- (void)setThumbnail:(NSImage*)image {
MPMediaItemArtwork* artwork = [[MPMediaItemArtwork alloc]
initWithBoundsSize:image.size
requestHandler:^NSImage* _Nonnull(CGSize aSize) {
return image;
}];
[_nowPlayingInfo setObject:artwork forKey:MPMediaItemPropertyArtwork];
}
- (void)clearMetadata {
// Reset our internal dictionary to have default values.
[self initializeNowPlayingInfoValues];
// In some cases, setting defaultCenter to a dictionary of default values
// causes the menu bar's media icon to persist with completely blank metadata
// after a track ends, or on navigation away from the page that was playing
// media. See crbug.com/359628047 for more information.
// To avoid this, set defaultCenter to nil as recommended here:
// https://developer.apple.com/documentation/mediaplayer/mpnowplayinginfocenter/1615903-nowplayinginfo
[MPNowPlayingInfoCenter defaultCenter].nowPlayingInfo = nil;
}
- (void)initializeNowPlayingInfoValues {
[_nowPlayingInfo setObject:@0
forKey:MPNowPlayingInfoPropertyElapsedPlaybackTime];
[_nowPlayingInfo setObject:@0 forKey:MPNowPlayingInfoPropertyPlaybackRate];
[_nowPlayingInfo setObject:@0 forKey:MPMediaItemPropertyPlaybackDuration];
[_nowPlayingInfo setObject:@"" forKey:MPMediaItemPropertyTitle];
[_nowPlayingInfo setObject:@"" forKey:MPMediaItemPropertyArtist];
[_nowPlayingInfo setObject:@"" forKey:MPMediaItemPropertyAlbumTitle];
[_nowPlayingInfo removeObjectForKey:MPMediaItemPropertyArtwork];
}
- (void)updateNowPlayingInfo {
[MPNowPlayingInfoCenter defaultCenter].nowPlayingInfo = _nowPlayingInfo;
}
@end
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