618 lines
26 KiB
Objective-C
618 lines
26 KiB
Objective-C
#import "AudioServicePlugin.h"
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#import <AVFoundation/AVFoundation.h>
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#import <MediaPlayer/MediaPlayer.h>
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// If you'd like to help, please see the TODO comments below, then open a
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// GitHub issue to announce your intention to work on a particular feature, and
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// submit a pull request. We have an open discussion over at issue #10 about
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// all things iOS if you'd like to discuss approaches or ask for input. Thank
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// you for your support!
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@implementation AudioServicePlugin
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static FlutterMethodChannel *channel = nil;
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static FlutterMethodChannel *backgroundChannel = nil;
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static BOOL _running = NO;
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static FlutterResult startResult = nil;
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static MPRemoteCommandCenter *commandCenter = nil;
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static NSArray *queue = nil;
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static NSMutableDictionary *mediaItem = nil;
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static long actionBits;
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static NSArray *commands;
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static BOOL _controlsUpdated = NO;
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static enum AudioProcessingState processingState = none;
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static BOOL playing = NO;
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static NSNumber *position = nil;
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static NSNumber *bufferedPosition = nil;
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static NSNumber *updateTime = nil;
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static NSNumber *speed = nil;
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static NSNumber *repeatMode = nil;
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static NSNumber *shuffleMode = nil;
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static NSNumber *fastForwardInterval = nil;
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static NSNumber *rewindInterval = nil;
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static NSMutableDictionary *params = nil;
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static MPMediaItemArtwork* artwork = nil;
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+ (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar>*)registrar {
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@synchronized(self) {
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// TODO: Need a reliable way to detect whether this is the client
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// or background.
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// TODO: Handle multiple clients.
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// As no separate isolate is used on macOS, add both handlers to the one registrar.
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#if TARGET_OS_IPHONE
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if (channel == nil) {
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#endif
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AudioServicePlugin *instance = [[AudioServicePlugin alloc] init:registrar];
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channel = [FlutterMethodChannel
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methodChannelWithName:@"ryanheise.com/audioService"
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binaryMessenger:[registrar messenger]];
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[registrar addMethodCallDelegate:instance channel:channel];
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#if TARGET_OS_IPHONE
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} else {
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AudioServicePlugin *instance = [[AudioServicePlugin alloc] init:registrar];
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#endif
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backgroundChannel = [FlutterMethodChannel
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methodChannelWithName:@"ryanheise.com/audioServiceBackground"
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binaryMessenger:[registrar messenger]];
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[registrar addMethodCallDelegate:instance channel:backgroundChannel];
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#if TARGET_OS_IPHONE
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}
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#endif
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}
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}
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- (instancetype)init:(NSObject<FlutterPluginRegistrar> *)registrar {
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self = [super init];
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NSAssert(self, @"super init cannot be nil");
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return self;
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}
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- (void)broadcastPlaybackState {
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[channel invokeMethod:@"onPlaybackStateChanged" arguments:@[
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// processingState
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@(processingState),
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// playing
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@(playing),
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// actions
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@(actionBits),
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// position
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position,
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// bufferedPosition
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bufferedPosition,
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// playback speed
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speed,
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// update time since epoch
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updateTime,
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// repeat mode
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repeatMode,
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// shuffle mode
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shuffleMode,
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]];
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}
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- (void)handleMethodCall:(FlutterMethodCall*)call result:(FlutterResult)result {
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// TODO:
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// - Restructure this so that we have a separate method call delegate
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// for the client instance and the background instance so that methods
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// can't be called on the wrong instance.
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if ([@"connect" isEqualToString:call.method]) {
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long long msSinceEpoch = (long long)([[NSDate date] timeIntervalSince1970] * 1000.0);
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if (position == nil) {
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position = @(0);
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bufferedPosition = @(0);
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updateTime = [NSNumber numberWithLongLong: msSinceEpoch];
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speed = [NSNumber numberWithDouble: 1.0];
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repeatMode = @(0);
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shuffleMode = @(0);
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}
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// Notify client of state on subscribing.
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[self broadcastPlaybackState];
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[channel invokeMethod:@"onMediaChanged" arguments:@[mediaItem ? mediaItem : [NSNull null]]];
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[channel invokeMethod:@"onQueueChanged" arguments:@[queue ? queue : [NSNull null]]];
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result(nil);
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} else if ([@"disconnect" isEqualToString:call.method]) {
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result(nil);
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} else if ([@"start" isEqualToString:call.method]) {
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if (_running) {
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result(@NO);
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return;
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}
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_running = YES;
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// The result will be sent after the background task actually starts.
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// See the "ready" case below.
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startResult = result;
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#if TARGET_OS_IPHONE
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[AVAudioSession sharedInstance];
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#endif
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// Set callbacks on MPRemoteCommandCenter
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fastForwardInterval = [call.arguments objectForKey:@"fastForwardInterval"];
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rewindInterval = [call.arguments objectForKey:@"rewindInterval"];
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commandCenter = [MPRemoteCommandCenter sharedCommandCenter];
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commands = @[
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commandCenter.stopCommand,
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commandCenter.pauseCommand,
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commandCenter.playCommand,
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commandCenter.skipBackwardCommand,
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commandCenter.previousTrackCommand,
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commandCenter.nextTrackCommand,
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commandCenter.skipForwardCommand,
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[NSNull null],
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commandCenter.changePlaybackPositionCommand,
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commandCenter.togglePlayPauseCommand,
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[NSNull null],
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[NSNull null],
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[NSNull null],
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[NSNull null],
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[NSNull null],
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[NSNull null],
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[NSNull null],
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[NSNull null],
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commandCenter.changeRepeatModeCommand,
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[NSNull null],
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[NSNull null],
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commandCenter.changeShuffleModeCommand,
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commandCenter.seekBackwardCommand,
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commandCenter.seekForwardCommand,
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];
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[commandCenter.changePlaybackRateCommand setEnabled:YES];
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[commandCenter.togglePlayPauseCommand setEnabled:YES];
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[commandCenter.togglePlayPauseCommand addTarget:self action:@selector(togglePlayPause:)];
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// TODO: enable more commands
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// Language options
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if (@available(iOS 9.0, macOS 10.12.2, *)) {
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[commandCenter.enableLanguageOptionCommand setEnabled:NO];
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[commandCenter.disableLanguageOptionCommand setEnabled:NO];
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}
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// Rating
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[commandCenter.ratingCommand setEnabled:NO];
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// Feedback
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[commandCenter.likeCommand setEnabled:NO];
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[commandCenter.dislikeCommand setEnabled:NO];
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[commandCenter.bookmarkCommand setEnabled:NO];
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[self updateControls];
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// Params
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params = [call.arguments objectForKey:@"params"];
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#if TARGET_OS_OSX
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// No isolate can be used for macOS until https://github.com/flutter/flutter/issues/65222 is resolved.
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// We send a result here, and then the Dart code continues in the main isolate.
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result(@YES);
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#endif
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} else if ([@"ready" isEqualToString:call.method]) {
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NSMutableDictionary *startParams = [NSMutableDictionary new];
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startParams[@"fastForwardInterval"] = fastForwardInterval;
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startParams[@"rewindInterval"] = rewindInterval;
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startParams[@"params"] = params;
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result(startParams);
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} else if ([@"started" isEqualToString:call.method]) {
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#if TARGET_OS_IPHONE
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if (startResult) {
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startResult(@YES);
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startResult = nil;
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}
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#endif
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result(@YES);
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} else if ([@"stopped" isEqualToString:call.method]) {
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_running = NO;
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[channel invokeMethod:@"onStopped" arguments:nil];
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[commandCenter.changePlaybackRateCommand setEnabled:NO];
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[commandCenter.togglePlayPauseCommand setEnabled:NO];
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[commandCenter.togglePlayPauseCommand removeTarget:nil];
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[MPNowPlayingInfoCenter defaultCenter].nowPlayingInfo = nil;
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processingState = none;
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playing = NO;
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position = nil;
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bufferedPosition = nil;
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updateTime = nil;
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speed = nil;
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artwork = nil;
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mediaItem = nil;
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repeatMode = @(0);
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shuffleMode = @(0);
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actionBits = 0;
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[self updateControls];
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_controlsUpdated = NO;
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queue = nil;
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startResult = nil;
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fastForwardInterval = nil;
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rewindInterval = nil;
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params = nil;
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commandCenter = nil;
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result(@YES);
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} else if ([@"isRunning" isEqualToString:call.method]) {
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if (_running) {
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result(@YES);
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} else {
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result(@NO);
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}
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} else if ([@"setBrowseMediaParent" isEqualToString:call.method]) {
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result(@YES);
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} else if ([@"addQueueItem" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onAddQueueItem" arguments:@[call.arguments] result: result];
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} else if ([@"addQueueItemAt" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onAddQueueItemAt" arguments:call.arguments result: result];
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} else if ([@"removeQueueItem" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onRemoveQueueItem" arguments:@[call.arguments] result: result];
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} else if ([@"updateQueue" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onUpdateQueue" arguments:@[call.arguments] result: result];
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} else if ([@"updateMediaItem" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onUpdateMediaItem" arguments:@[call.arguments] result: result];
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} else if ([@"click" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onClick" arguments:@[call.arguments] result: result];
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} else if ([@"prepare" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onPrepare" arguments:nil result: result];
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} else if ([@"prepareFromMediaId" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onPrepareFromMediaId" arguments:@[call.arguments] result: result];
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} else if ([@"play" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onPlay" arguments:nil result: result];
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} else if ([@"playFromMediaId" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onPlayFromMediaId" arguments:@[call.arguments] result: result];
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} else if ([@"playMediaItem" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onPlayMediaItem" arguments:@[call.arguments] result: result];
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} else if ([@"skipToQueueItem" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onSkipToQueueItem" arguments:@[call.arguments] result: result];
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} else if ([@"pause" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onPause" arguments:nil result: result];
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} else if ([@"stop" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onStop" arguments:nil result: result];
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} else if ([@"seekTo" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onSeekTo" arguments:@[call.arguments] result: result];
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} else if ([@"skipToNext" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onSkipToNext" arguments:nil result: result];
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} else if ([@"skipToPrevious" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onSkipToPrevious" arguments:nil result: result];
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} else if ([@"fastForward" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onFastForward" arguments:nil result: result];
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} else if ([@"rewind" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onRewind" arguments:nil result: result];
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} else if ([@"setRepeatMode" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onSetRepeatMode" arguments:@[call.arguments] result: result];
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} else if ([@"setShuffleMode" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onSetShuffleMode" arguments:@[call.arguments] result: result];
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} else if ([@"setRating" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onSetRating" arguments:@[call.arguments[@"rating"], call.arguments[@"extras"]] result: result];
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} else if ([@"setSpeed" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onSetSpeed" arguments:@[call.arguments] result: result];
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} else if ([@"seekForward" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onSeekForward" arguments:@[call.arguments] result: result];
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} else if ([@"seekBackward" isEqualToString:call.method]) {
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[backgroundChannel invokeMethod:@"onSeekBackward" arguments:@[call.arguments] result: result];
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} else if ([@"setState" isEqualToString:call.method]) {
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long long msSinceEpoch;
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if (call.arguments[7] != [NSNull null]) {
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msSinceEpoch = [call.arguments[7] longLongValue];
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} else {
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msSinceEpoch = (long long)([[NSDate date] timeIntervalSince1970] * 1000.0);
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}
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actionBits = 0;
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NSArray *controlsArray = call.arguments[0];
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for (int i = 0; i < controlsArray.count; i++) {
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NSDictionary *control = (NSDictionary *)controlsArray[i];
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NSNumber *actionIndex = (NSNumber *)control[@"action"];
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int actionCode = 1 << [actionIndex intValue];
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actionBits |= actionCode;
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}
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NSArray *systemActionsArray = call.arguments[1];
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for (int i = 0; i < systemActionsArray.count; i++) {
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NSNumber *actionIndex = (NSNumber *)systemActionsArray[i];
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int actionCode = 1 << [actionIndex intValue];
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actionBits |= actionCode;
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}
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processingState = [call.arguments[2] intValue];
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playing = [call.arguments[3] boolValue];
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position = call.arguments[4];
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bufferedPosition = call.arguments[5];
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speed = call.arguments[6];
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repeatMode = call.arguments[9];
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shuffleMode = call.arguments[10];
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updateTime = [NSNumber numberWithLongLong: msSinceEpoch];
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[self broadcastPlaybackState];
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[self updateControls];
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[self updateNowPlayingInfo];
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result(@(YES));
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} else if ([@"setQueue" isEqualToString:call.method]) {
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queue = call.arguments;
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[channel invokeMethod:@"onQueueChanged" arguments:@[queue]];
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result(@YES);
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} else if ([@"setMediaItem" isEqualToString:call.method]) {
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mediaItem = call.arguments;
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NSString* artUri = mediaItem[@"artUri"];
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artwork = nil;
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if (![artUri isEqual: [NSNull null]]) {
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NSString* artCacheFilePath = [NSNull null];
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NSDictionary* extras = mediaItem[@"extras"];
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if (![extras isEqual: [NSNull null]]) {
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artCacheFilePath = extras[@"artCacheFile"];
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}
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if (![artCacheFilePath isEqual: [NSNull null]]) {
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#if TARGET_OS_IPHONE
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UIImage* artImage = [UIImage imageWithContentsOfFile:artCacheFilePath];
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#else
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NSImage* artImage = [[NSImage alloc] initWithContentsOfFile:artCacheFilePath];
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#endif
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if (artImage != nil) {
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#if TARGET_OS_IPHONE
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artwork = [[MPMediaItemArtwork alloc] initWithImage: artImage];
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#else
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artwork = [[MPMediaItemArtwork alloc] initWithBoundsSize:artImage.size requestHandler:^NSImage* _Nonnull(CGSize aSize) {
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return artImage;
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}];
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#endif
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}
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}
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}
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[self updateNowPlayingInfo];
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[channel invokeMethod:@"onMediaChanged" arguments:@[call.arguments]];
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result(@(YES));
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} else if ([@"notifyChildrenChanged" isEqualToString:call.method]) {
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result(@YES);
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} else if ([@"androidForceEnableMediaButtons" isEqualToString:call.method]) {
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result(@YES);
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} else {
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// TODO: Check if this implementation is correct.
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// Can I just pass on the result as the last argument?
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[backgroundChannel invokeMethod:call.method arguments:call.arguments result: result];
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}
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}
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- (MPRemoteCommandHandlerStatus) play: (MPRemoteCommandEvent *) event {
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NSLog(@"play");
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[backgroundChannel invokeMethod:@"onPlay" arguments:nil];
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return MPRemoteCommandHandlerStatusSuccess;
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}
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- (MPRemoteCommandHandlerStatus) pause: (MPRemoteCommandEvent *) event {
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NSLog(@"pause");
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[backgroundChannel invokeMethod:@"onPause" arguments:nil];
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return MPRemoteCommandHandlerStatusSuccess;
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}
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- (void) updateNowPlayingInfo {
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NSMutableDictionary *nowPlayingInfo = [NSMutableDictionary new];
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if (mediaItem) {
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nowPlayingInfo[MPMediaItemPropertyTitle] = mediaItem[@"title"];
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nowPlayingInfo[MPMediaItemPropertyAlbumTitle] = mediaItem[@"album"];
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if (mediaItem[@"artist"] != [NSNull null]) {
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nowPlayingInfo[MPMediaItemPropertyArtist] = mediaItem[@"artist"];
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}
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if (mediaItem[@"duration"] != [NSNull null]) {
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nowPlayingInfo[MPMediaItemPropertyPlaybackDuration] = [NSNumber numberWithLongLong: ([mediaItem[@"duration"] longLongValue] / 1000)];
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}
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if (@available(iOS 3.0, macOS 10.13.2, *)) {
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if (artwork) {
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nowPlayingInfo[MPMediaItemPropertyArtwork] = artwork;
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}
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}
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nowPlayingInfo[MPNowPlayingInfoPropertyElapsedPlaybackTime] = [NSNumber numberWithInt:([position intValue] / 1000)];
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}
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nowPlayingInfo[MPNowPlayingInfoPropertyPlaybackRate] = [NSNumber numberWithDouble: playing ? 1.0 : 0.0];
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[MPNowPlayingInfoCenter defaultCenter].nowPlayingInfo = nowPlayingInfo;
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}
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- (void) updateControls {
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for (enum MediaAction action = AStop; action <= ASeekForward; action++) {
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[self updateControl:action];
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}
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_controlsUpdated = YES;
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}
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- (void) updateControl:(enum MediaAction)action {
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MPRemoteCommand *command = commands[action];
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if (command == [NSNull null]) return;
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// Shift the actionBits right until the least significant bit is the tested action bit, and AND that with a 1 at the same position.
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// All bytes become 0, other than the tested action bit, which will be 0 or 1 according to its status in the actionBits long.
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BOOL enable = ((actionBits >> action) & 1);
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if (_controlsUpdated && enable == command.enabled) return;
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[command setEnabled:enable];
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switch (action) {
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case AStop:
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if (enable) {
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[commandCenter.stopCommand addTarget:self action:@selector(stop:)];
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} else {
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[commandCenter.stopCommand removeTarget:nil];
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}
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break;
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case APause:
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if (enable) {
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[commandCenter.pauseCommand addTarget:self action:@selector(pause:)];
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} else {
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[commandCenter.pauseCommand removeTarget:nil];
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}
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break;
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case APlay:
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if (enable) {
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[commandCenter.playCommand addTarget:self action:@selector(play:)];
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} else {
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[commandCenter.playCommand removeTarget:nil];
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}
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break;
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case ARewind:
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if (rewindInterval.integerValue > 0) {
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if (enable) {
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[commandCenter.skipBackwardCommand addTarget: self action:@selector(skipBackward:)];
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int rewindIntervalInSeconds = [rewindInterval intValue]/1000;
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NSNumber *rewindIntervalInSec = [NSNumber numberWithInt: rewindIntervalInSeconds];
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commandCenter.skipBackwardCommand.preferredIntervals = @[rewindIntervalInSec];
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} else {
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[commandCenter.skipBackwardCommand removeTarget:nil];
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}
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}
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break;
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case ASkipToPrevious:
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if (enable) {
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[commandCenter.previousTrackCommand addTarget:self action:@selector(previousTrack:)];
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} else {
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[commandCenter.previousTrackCommand removeTarget:nil];
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}
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break;
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case ASkipToNext:
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if (enable) {
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[commandCenter.nextTrackCommand addTarget:self action:@selector(nextTrack:)];
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} else {
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[commandCenter.nextTrackCommand removeTarget:nil];
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}
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break;
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case AFastForward:
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if (fastForwardInterval.integerValue > 0) {
|
|
if (enable) {
|
|
[commandCenter.skipForwardCommand addTarget: self action:@selector(skipForward:)];
|
|
int fastForwardIntervalInSeconds = [fastForwardInterval intValue]/1000;
|
|
NSNumber *fastForwardIntervalInSec = [NSNumber numberWithInt: fastForwardIntervalInSeconds];
|
|
commandCenter.skipForwardCommand.preferredIntervals = @[fastForwardIntervalInSec];
|
|
} else {
|
|
[commandCenter.skipForwardCommand removeTarget:nil];
|
|
}
|
|
}
|
|
break;
|
|
case ASetRating:
|
|
// TODO:
|
|
// commandCenter.ratingCommand
|
|
// commandCenter.dislikeCommand
|
|
// commandCenter.bookmarkCommand
|
|
break;
|
|
case ASeekTo:
|
|
if (@available(iOS 9.1, macOS 10.12.2, *)) {
|
|
if (enable) {
|
|
[commandCenter.changePlaybackPositionCommand addTarget:self action:@selector(changePlaybackPosition:)];
|
|
} else {
|
|
[commandCenter.changePlaybackPositionCommand removeTarget:nil];
|
|
}
|
|
}
|
|
case APlayPause:
|
|
// Automatically enabled.
|
|
break;
|
|
case ASetRepeatMode:
|
|
if (enable) {
|
|
[commandCenter.changeRepeatModeCommand addTarget:self action:@selector(changeRepeatMode:)];
|
|
} else {
|
|
[commandCenter.changeRepeatModeCommand removeTarget:nil];
|
|
}
|
|
break;
|
|
case ASetShuffleMode:
|
|
if (enable) {
|
|
[commandCenter.changeShuffleModeCommand addTarget:self action:@selector(changeShuffleMode:)];
|
|
} else {
|
|
[commandCenter.changeShuffleModeCommand removeTarget:nil];
|
|
}
|
|
break;
|
|
case ASeekBackward:
|
|
if (enable) {
|
|
[commandCenter.seekBackwardCommand addTarget:self action:@selector(seekBackward:)];
|
|
} else {
|
|
[commandCenter.seekBackwardCommand removeTarget:nil];
|
|
}
|
|
break;
|
|
case ASeekForward:
|
|
if (enable) {
|
|
[commandCenter.seekForwardCommand addTarget:self action:@selector(seekForward:)];
|
|
} else {
|
|
[commandCenter.seekForwardCommand removeTarget:nil];
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
- (MPRemoteCommandHandlerStatus) togglePlayPause: (MPRemoteCommandEvent *) event {
|
|
NSLog(@"togglePlayPause");
|
|
[backgroundChannel invokeMethod:@"onClick" arguments:@[@(0)]];
|
|
return MPRemoteCommandHandlerStatusSuccess;
|
|
}
|
|
|
|
- (MPRemoteCommandHandlerStatus) stop: (MPRemoteCommandEvent *) event {
|
|
NSLog(@"stop");
|
|
[backgroundChannel invokeMethod:@"onStop" arguments:nil];
|
|
return MPRemoteCommandHandlerStatusSuccess;
|
|
}
|
|
|
|
- (MPRemoteCommandHandlerStatus) nextTrack: (MPRemoteCommandEvent *) event {
|
|
NSLog(@"nextTrack");
|
|
[backgroundChannel invokeMethod:@"onSkipToNext" arguments:nil];
|
|
return MPRemoteCommandHandlerStatusSuccess;
|
|
}
|
|
|
|
- (MPRemoteCommandHandlerStatus) previousTrack: (MPRemoteCommandEvent *) event {
|
|
NSLog(@"previousTrack");
|
|
[backgroundChannel invokeMethod:@"onSkipToPrevious" arguments:nil];
|
|
return MPRemoteCommandHandlerStatusSuccess;
|
|
}
|
|
|
|
- (MPRemoteCommandHandlerStatus) changePlaybackPosition: (MPChangePlaybackPositionCommandEvent *) event {
|
|
NSLog(@"changePlaybackPosition");
|
|
[backgroundChannel invokeMethod:@"onSeekTo" arguments: @[@((long long) (event.positionTime * 1000))]];
|
|
return MPRemoteCommandHandlerStatusSuccess;
|
|
}
|
|
|
|
- (MPRemoteCommandHandlerStatus) skipForward: (MPRemoteCommandEvent *) event {
|
|
NSLog(@"skipForward");
|
|
[backgroundChannel invokeMethod:@"onFastForward" arguments:nil];
|
|
return MPRemoteCommandHandlerStatusSuccess;
|
|
}
|
|
|
|
- (MPRemoteCommandHandlerStatus) skipBackward: (MPRemoteCommandEvent *) event {
|
|
NSLog(@"skipBackward");
|
|
[backgroundChannel invokeMethod:@"onRewind" arguments:nil];
|
|
return MPRemoteCommandHandlerStatusSuccess;
|
|
}
|
|
|
|
- (MPRemoteCommandHandlerStatus) seekForward: (MPSeekCommandEvent *) event {
|
|
NSLog(@"seekForward");
|
|
BOOL begin = event.type == MPSeekCommandEventTypeBeginSeeking;
|
|
[backgroundChannel invokeMethod:@"onSeekForward" arguments:@[@(begin)]];
|
|
return MPRemoteCommandHandlerStatusSuccess;
|
|
}
|
|
|
|
- (MPRemoteCommandHandlerStatus) seekBackward: (MPSeekCommandEvent *) event {
|
|
NSLog(@"seekBackward");
|
|
BOOL begin = event.type == MPSeekCommandEventTypeBeginSeeking;
|
|
[backgroundChannel invokeMethod:@"onSeekBackward" arguments:@[@(begin)]];
|
|
return MPRemoteCommandHandlerStatusSuccess;
|
|
}
|
|
|
|
- (MPRemoteCommandHandlerStatus) changeRepeatMode: (MPChangeRepeatModeCommandEvent *) event {
|
|
NSLog(@"changeRepeatMode");
|
|
int modeIndex;
|
|
switch (event.repeatType) {
|
|
case MPRepeatTypeOff:
|
|
modeIndex = 0;
|
|
break;
|
|
case MPRepeatTypeOne:
|
|
modeIndex = 1;
|
|
break;
|
|
// MPRepeatTypeAll
|
|
default:
|
|
modeIndex = 2;
|
|
break;
|
|
}
|
|
[backgroundChannel invokeMethod:@"onSetRepeatMode" arguments:@[@(modeIndex)]];
|
|
return MPRemoteCommandHandlerStatusSuccess;
|
|
}
|
|
|
|
- (MPRemoteCommandHandlerStatus) changeShuffleMode: (MPChangeShuffleModeCommandEvent *) event {
|
|
NSLog(@"changeShuffleMode");
|
|
int modeIndex;
|
|
switch (event.shuffleType) {
|
|
case MPShuffleTypeOff:
|
|
modeIndex = 0;
|
|
break;
|
|
case MPShuffleTypeItems:
|
|
modeIndex = 1;
|
|
break;
|
|
// MPShuffleTypeCollections
|
|
default:
|
|
modeIndex = 2;
|
|
break;
|
|
}
|
|
[backgroundChannel invokeMethod:@"onSetShuffleMode" arguments:@[@(modeIndex)]];
|
|
return MPRemoteCommandHandlerStatusSuccess;
|
|
}
|
|
|
|
- (void) dealloc {
|
|
[[NSNotificationCenter defaultCenter] removeObserver:self];
|
|
}
|
|
|
|
@end
|