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Don't re-initialize a player, just clear the item list.

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This commit is contained in:
Nolan Darilek 2020-11-03 11:11:49 -06:00
parent d3e05b5a7a
commit 9c98026978
1 changed files with 68 additions and 86 deletions
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154
src/backends/winrt.rs
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@ -57,101 +57,74 @@ impl WinRT {
player.set_source(&playback_list)?;
let mut backend_id = NEXT_BACKEND_ID.lock().unwrap();
let bid = BackendId::WinRT(*backend_id);
let mut rv = Self {
id: bid,
synth: SpeechSynthesizer::new()?,
player,
playback_list,
};
*backend_id += 1;
Self::init_callbacks(&mut rv)?;
Ok(rv)
}
fn reinit_player(&mut self) -> std::result::Result<(), Error> {
self.playback_list = MediaPlaybackList::new()?;
self.player = MediaPlayer::new()?;
self.player.set_auto_play(true)?;
self.player.set_source(&self.playback_list)?;
self.init_callbacks()?;
let mut mappings = UTTERANCE_MAPPINGS.lock().unwrap();
let mut callbacks = CALLBACKS.lock().unwrap();
let callbacks = callbacks.get_mut(&self.id).unwrap();
if let Some(callback) = callbacks.utterance_stop.as_mut() {
for mapping in &*mappings {
callback(mapping.2);
}
}
mappings.retain(|v| v.0 != self.id);
Ok(())
}
fn init_callbacks(&mut self) -> Result<(), winrt::Error> {
let id = self.id().unwrap();
let mut backend_to_media_player = BACKEND_TO_MEDIA_PLAYER.lock().unwrap();
backend_to_media_player.insert(id, self.player.clone());
self.player
.media_ended(TypedEventHandler::new(|sender, _args| {
let backend_to_media_player = BACKEND_TO_MEDIA_PLAYER.lock().unwrap();
let id = backend_to_media_player.iter().find(|v| v.1 == sender);
backend_to_media_player.insert(bid, player.clone());
player.media_ended(TypedEventHandler::new(|sender, _args| {
let backend_to_media_player = BACKEND_TO_MEDIA_PLAYER.lock().unwrap();
let id = backend_to_media_player.iter().find(|v| v.1 == sender);
if let Some(id) = id {
let id = id.0;
let mut callbacks = CALLBACKS.lock().unwrap();
let callbacks = callbacks.get_mut(&id).unwrap();
if let Some(callback) = callbacks.utterance_end.as_mut() {
let last_spoken_utterance = LAST_SPOKEN_UTTERANCE.lock().unwrap();
if let Some(utterance_id) = last_spoken_utterance.get(&id) {
callback(utterance_id.clone());
}
}
}
Ok(())
}))?;
let mut backend_to_playback_list = BACKEND_TO_PLAYBACK_LIST.lock().unwrap();
backend_to_playback_list.insert(bid, playback_list.clone());
playback_list.current_item_changed(TypedEventHandler::new(
|sender: &MediaPlaybackList, args: &CurrentMediaPlaybackItemChangedEventArgs| {
let backend_to_playback_list = BACKEND_TO_PLAYBACK_LIST.lock().unwrap();
let id = backend_to_playback_list.iter().find(|v| v.1 == sender);
if let Some(id) = id {
let id = id.0;
let mut callbacks = CALLBACKS.lock().unwrap();
let callbacks = callbacks.get_mut(&id).unwrap();
if let Some(callback) = callbacks.utterance_end.as_mut() {
let last_spoken_utterance = LAST_SPOKEN_UTTERANCE.lock().unwrap();
if let Some(utterance_id) = last_spoken_utterance.get(&id) {
callback(utterance_id.clone());
let old_item = args.old_item()?;
if !old_item.is_null() {
let mut mappings = UTTERANCE_MAPPINGS.lock().unwrap();
if let Some(callback) = callbacks.utterance_end.as_mut() {
for mapping in &*mappings {
if mapping.1 == old_item {
callback(mapping.2);
}
}
mappings.retain(|v| v.1 != old_item);
}
}
let new_item = args.new_item()?;
if !new_item.is_null() {
let mut last_spoken_utterance = LAST_SPOKEN_UTTERANCE.lock().unwrap();
let mappings = UTTERANCE_MAPPINGS.lock().unwrap();
for mapping in &*mappings {
if mapping.1 == new_item {
last_spoken_utterance.insert(*id, mapping.2);
}
}
if let Some(callback) = callbacks.utterance_begin.as_mut() {
for mapping in &*mappings {
if mapping.1 == new_item {
callback(mapping.2);
}
}
}
}
}
Ok(())
}))?;
let mut backend_to_playback_list = BACKEND_TO_PLAYBACK_LIST.lock().unwrap();
backend_to_playback_list.insert(id, self.playback_list.clone());
self.playback_list
.current_item_changed(TypedEventHandler::new(
|sender: &MediaPlaybackList, args: &CurrentMediaPlaybackItemChangedEventArgs| {
let backend_to_playback_list = BACKEND_TO_PLAYBACK_LIST.lock().unwrap();
let id = backend_to_playback_list.iter().find(|v| v.1 == sender);
if let Some(id) = id {
let id = id.0;
let mut callbacks = CALLBACKS.lock().unwrap();
let callbacks = callbacks.get_mut(&id).unwrap();
let old_item = args.old_item()?;
if !old_item.is_null() {
let mut mappings = UTTERANCE_MAPPINGS.lock().unwrap();
if let Some(callback) = callbacks.utterance_end.as_mut() {
for mapping in &*mappings {
if mapping.1 == old_item {
callback(mapping.2);
}
}
mappings.retain(|v| v.1 != old_item);
}
}
let new_item = args.new_item()?;
if !new_item.is_null() {
let mut last_spoken_utterance = LAST_SPOKEN_UTTERANCE.lock().unwrap();
let mappings = UTTERANCE_MAPPINGS.lock().unwrap();
for mapping in &*mappings {
if mapping.1 == new_item {
last_spoken_utterance.insert(*id, mapping.2);
}
}
if let Some(callback) = callbacks.utterance_begin.as_mut() {
for mapping in &*mappings {
if mapping.1 == new_item {
callback(mapping.2);
}
}
}
}
}
Ok(())
},
))?;
Ok(())
},
))?;
Ok(Self {
id: bid,
synth: SpeechSynthesizer::new()?,
player,
playback_list,
})
}
}
@ -198,7 +171,16 @@ impl Backend for WinRT {
fn stop(&mut self) -> std::result::Result<(), Error> {
trace!("stop()");
self.reinit_player()?;
self.playback_list.items()?.clear()?;
let mut mappings = UTTERANCE_MAPPINGS.lock().unwrap();
let mut callbacks = CALLBACKS.lock().unwrap();
let callbacks = callbacks.get_mut(&self.id).unwrap();
if let Some(callback) = callbacks.utterance_stop.as_mut() {
for mapping in &*mappings {
callback(mapping.2);
}
}
mappings.retain(|v| v.0 != self.id);
Ok(())
}