refactor(core): CORE-09 isolate source operations and settle cancelled switches

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Harvey Zhao committed 2026-09-11 02:34:26 +08:00
1 parent 874dac9f22
commit 44f4e083a9
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@@ -4,4 +4,4 @@
* (c) 2017-2026 Harvey Zhao
* Released under the MIT License.
*/
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@@ -4,4 +4,4 @@
* (c) 2017-2026 Harvey Zhao
* Released under the MIT License.
*/
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+251 -62
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@@ -1167,8 +1167,8 @@ function isClosing(owner) {
return state2.destroying || state2.scope.closed;
}
function ownContainer(owner, container, rollback) {
const current = containers.get(container);
if (current && current !== owner)
const current2 = containers.get(container);
if (current2 && current2 !== owner)
throw new Error("Cannot mount multiple instances on the same dom element");
const state2 = stateOf(owner);
state2.rollback = rollback;
@@ -3420,6 +3420,64 @@ function playingMix(art) {
}
});
}
const current = /* @__PURE__ */ new WeakMap();
const assignments = /* @__PURE__ */ new WeakMap();
function captureSource(owner) {
const operation = current.get(owner);
return () => current.get(owner) === operation && (!operation || operation.active());
}
function beginSource(owner) {
const previous = current.get(owner);
const scope = getScope(owner).child();
const operation = {
scope,
assigned: false,
acceptingEvents: false,
active: () => !isClosing(owner) && !scope.closed && current.get(owner) === operation
};
current.set(owner, operation);
scope.add(() => {
if (current.get(owner) === operation)
current.delete(owner);
operation.onAssigned = void 0;
operation.onError = void 0;
});
previous?.scope.dispose();
return operation;
}
function takeAssignment(owner) {
const operation = assignments.get(owner);
assignments.delete(owner);
return operation || beginSource(owner);
}
function finishAssignment(operation) {
operation.assigned = true;
const callback = operation.onAssigned;
operation.onAssigned = void 0;
if (operation.active())
callback?.();
}
function assignUrl(owner, operation, url) {
assignments.set(owner, operation);
operation.acceptingEvents = true;
try {
owner.url = url;
} finally {
if (assignments.get(owner) === operation) {
assignments.delete(owner);
finishAssignment(operation);
}
}
}
function failSource(operation, error2) {
if (!operation.active())
return;
if (operation.onError)
operation.onError(error2);
else
console.warn("Failed to initialize ArtPlayer source:", error2);
operation.scope.dispose();
}
function playMix(art) {
const {
i18n,
@@ -3430,11 +3488,21 @@ function playMix(art) {
} = art;
def(art, "play", {
async value() {
const active = captureSource(art);
const result = await $video.play();
notice.show = i18n.get("Play");
if (!active())
return result;
const message = i18n.get("Play");
if (!active())
return result;
notice.show = message;
if (!active())
return result;
art.emit("play");
if (option.mutex) {
for (let index = 0; index < instances2.length; index++) {
if (!active())
break;
const instance = instances2[index];
if (instance !== art) {
instance.pause();
@@ -3617,54 +3685,140 @@ function subtitleOffsetMix(art) {
}
});
}
function switchMix(art) {
function switchUrl(url, currentTime) {
return new Promise((resolve, reject) => {
if (url === art.url) {
resolve();
function listenSource(scope, art, name, callback, once = true) {
let fired = false;
let release;
const guarded = (event) => {
if (scope.closed || fired)
return;
if (once) {
fired = true;
release();
}
callback(event);
};
art[once ? "once" : "on"](name, guarded);
release = scope.add(() => {
art.off(name, guarded);
});
return guarded;
}
function switchSource(art, url, currentTime) {
return new Promise((resolve, reject) => {
if (isClosing(art) || url === art.url) {
resolve();
return;
}
const operation = beginSource(art);
const scope = operation.scope.child();
let settled = false;
const settle = (failed = false, error2) => {
if (settled)
return;
}
settled = true;
operation.onError = void 0;
operation.onAssigned = void 0;
scope.dispose();
if (failed)
reject(error2);
else
resolve();
if (failed)
operation.scope.dispose();
};
scope.add(() => {
settle();
});
const active = () => !settled && operation.active();
const fail = (error2) => settle(true, error2);
operation.onError = fail;
try {
const { playing, aspectRatio: aspectRatio2, playbackRate: playbackRate2 } = art;
art.pause();
art.url = url;
art.notice.show = "";
const handlers = {};
handlers.error = (error2) => {
art.off("video:canplay", handlers.canplay);
art.off("video:loadedmetadata", handlers.metadata);
reject(error2);
};
handlers.metadata = () => {
art.currentTime = currentTime;
};
handlers.canplay = async () => {
art.off("video:error", handlers.error);
art.playbackRate = playbackRate2;
art.aspectRatio = aspectRatio2;
if (playing) {
await silencePromise(art.play());
if (!active())
return;
const readiness = scope.child();
const handlers = {
"video:error": fail,
"video:loadedmetadata": () => {
if (!active())
return;
try {
art.currentTime = currentTime;
} catch (error2) {
fail(error2);
}
},
"video:canplay": () => {
if (!active())
return;
readiness.dispose();
const resume = async () => {
art.playbackRate = playbackRate2;
if (!active())
return;
art.aspectRatio = aspectRatio2;
if (!active())
return;
if (playing) {
try {
await art.play();
} catch {
}
}
if (!active())
return;
art.notice.show = "";
settle();
};
void resume().catch(fail);
}
art.notice.show = "";
resolve();
};
art.once("video:error", handlers.error);
art.once("video:loadedmetadata", handlers.metadata);
art.once("video:canplay", handlers.canplay);
});
}
def(art, "switchQuality", {
value: (url) => {
return switchUrl(url, art.currentTime);
const capture = scope.child();
const queued = [];
const names = Object.keys(handlers);
for (const name of names) {
listenSource(capture, art, name, (event) => {
if (operation.acceptingEvents)
queued.push([name, event]);
}, false);
}
assignUrl(art, operation, url);
if (!active())
return;
art.notice.show = "";
if (!active())
return;
const activate = () => {
capture.dispose();
if (!url) {
settle();
return;
}
const dispatch = {};
for (const name of names)
dispatch[name] = listenSource(readiness, art, name, handlers[name]);
for (const [name, event] of queued) {
if (!active() || readiness.closed)
break;
dispatch[name](event);
}
queued.length = 0;
};
if (operation.assigned)
activate();
else
operation.onAssigned = activate;
} catch (error2) {
fail(error2);
}
});
def(art, "switchUrl", {
value: (url) => {
return switchUrl(url, 0);
}
});
def(art, "switch", {
set: art.switchUrl
});
}
function switchMix(art) {
const switchUrl = (url) => switchSource(art, url, 0);
def(art, "switchQuality", { value: (url) => switchSource(art, url, art.currentTime) });
def(art, "switchUrl", { value: switchUrl });
def(art, "switch", { set: switchUrl });
}
function themeMix(art) {
def(art, "theme", {
@@ -3767,40 +3921,75 @@ function typeMix(art) {
});
}
function urlMix(art) {
const {
option,
template: { $video }
} = art;
const { option, template: { $video } } = art;
def(art, "url", {
get() {
return $video.src;
},
async set(newUrl) {
if (newUrl) {
if (isClosing(art))
return;
const operation = takeAssignment(art);
operation.acceptingEvents = false;
try {
if (!newUrl) {
if (await wait(operation.scope) && operation.active())
art.loading.show = true;
return;
}
const oldUrl = art.url;
const typeName = option.type || getExt(newUrl);
const typeCallback = option.customType[typeName];
if (typeName && typeCallback) {
if (!await wait(getScope(art)) || getScope(art).closed)
if (!await wait(operation.scope) || !operation.active())
return;
art.loading.show = true;
typeCallback.call(art, $video, newUrl, art);
} else {
URL.revokeObjectURL(oldUrl);
$video.src = newUrl;
}
if (!operation.active())
return;
const capture = operation.scope.child();
let ready = false;
let failed = false;
listenSource(capture, art, "video:canplay", () => {
ready = !failed;
});
listenSource(capture, art, "video:error", () => {
failed = true;
});
try {
operation.acceptingEvents = true;
if (typeName && typeCallback) {
const result = typeCallback.call(art, $video, newUrl, art);
void Promise.resolve(result).catch((error2) => failSource(operation, error2));
} else {
if (oldUrl)
URL.revokeObjectURL(oldUrl);
if (!operation.active())
return;
$video.src = newUrl;
}
} finally {
capture.dispose();
}
if (!operation.active())
return;
if (oldUrl !== art.url) {
art.option.url = newUrl;
if (art.isReady && oldUrl) {
art.once("video:canplay", () => {
art.emit("restart", newUrl);
});
if (operation.active() && art.isReady && oldUrl) {
const restart = () => {
if (operation.active())
art.emit("restart", newUrl);
};
if (ready)
restart();
else if (!failed)
listenSource(operation.scope, art, "video:canplay", restart);
}
}
} else {
if (!await wait(getScope(art)) || getScope(art).closed)
return;
art.loading.show = true;
} catch (error2) {
failSource(operation, error2);
} finally {
finishAssignment(operation);
}
}
});