fix(extension): harden controls, rules, and speed persistence

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joshpatra committed 2026-07-16 01:31:57 -04:00
1 parent cd3088a6db
commit 85d4a0588a
29 files changed
+6154 -842

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@@ -5,52 +5,154 @@ var speederShared =
var controllerUtils = speederShared.controllerUtils || {};
var keyBindingUtils = speederShared.keyBindings || {};
var siteRuleUtils = speederShared.siteRules || {};
var sharedSettingsDefaults =
typeof vscGetSettingsDefaults === "function"
? vscGetSettingsDefaults()
: null;
function getPrimaryVideoElement() {
if (!tc.mediaElements || tc.mediaElements.length === 0) return null;
for (var i = 0; i < tc.mediaElements.length; i++) {
var el = tc.mediaElements[i];
if (el && !el.paused) return el;
function getSharedDefault(key, fallback) {
if (
sharedSettingsDefaults &&
Object.prototype.hasOwnProperty.call(sharedSettingsDefaults, key)
) {
var value = sharedSettingsDefaults[key];
if (Array.isArray(value)) {
return value.map(function(item) {
return item && typeof item === "object"
? Object.assign({}, item)
: item;
});
}
return value;
}
return tc.mediaElements[0];
return fallback;
}
function getPrimaryVideoElement(mediaElements) {
var candidates = Array.isArray(mediaElements)
? mediaElements
: tc.mediaElements;
if (!candidates || candidates.length === 0) return null;
var best = null;
var bestScore = -Infinity;
candidates.forEach(function(el, index) {
if (!el || !el.vsc || !el.isConnected) return;
var rect = null;
try {
rect = el.getBoundingClientRect();
} catch (_error) {}
var width = rect && Number(rect.width) > 0 ? Number(rect.width) : 0;
var height = rect && Number(rect.height) > 0 ? Number(rect.height) : 0;
var win = el.ownerDocument && el.ownerDocument.defaultView;
var viewportWidth = (win && win.innerWidth) || width;
var viewportHeight = (win && win.innerHeight) || height;
var visibleWidth = rect
? Math.max(0, Math.min(rect.right, viewportWidth) - Math.max(rect.left, 0))
: 0;
var visibleHeight = rect
? Math.max(0, Math.min(rect.bottom, viewportHeight) - Math.max(rect.top, 0))
: 0;
var visibleArea = visibleWidth * visibleHeight;
var visuallyAvailable = visibleArea > 0;
try {
var computed = win && win.getComputedStyle(el);
if (
computed &&
(computed.display === "none" ||
computed.visibility === "hidden" ||
Number(computed.opacity) === 0)
) {
visuallyAvailable = false;
}
} catch (_error) {}
var score = visibleArea;
if (visuallyAvailable) score += 1e12;
if (!el.paused && !el.ended) {
score += visuallyAvailable ? 1e11 : 1e6;
}
if (el.vsc.lastActivityAt) {
score += Math.max(0, 1e9 - (Date.now() - el.vsc.lastActivityAt));
}
if (el.ended) score -= 1e11;
// Stable tie-break: prefer the most recently registered media element.
score += index / 1000;
if (score > bestScore) {
best = el;
bestScore = score;
}
});
return best;
}
var tc = {
settings: {
lastSpeed: 1.0,
enabled: true,
lastSpeed: getSharedDefault("lastSpeed", 1.0),
enabled: getSharedDefault("enabled", true),
speeds: {},
rememberSpeed: false,
forceLastSavedSpeed: false,
audioBoolean: false,
startHidden: false,
hideWithYouTubeControls: false,
hideWithControls: false,
hideWithControlsTimer: 2.0,
controllerLocation: "top-left",
controllerOpacity: 0.3,
controllerMarginTop: 0,
controllerMarginRight: 0,
controllerMarginBottom: 65,
controllerMarginLeft: 0,
keyBindings: [],
siteRules: [],
controllerButtons: ["rewind", "slower", "faster", "advance", "display"],
rememberSpeed: getSharedDefault("rememberSpeed", false),
forceLastSavedSpeed: getSharedDefault("forceLastSavedSpeed", false),
audioBoolean: getSharedDefault("audioBoolean", false),
startHidden: getSharedDefault("startHidden", false),
hideWithYouTubeControls: getSharedDefault(
"hideWithYouTubeControls",
false
),
hideWithControls: getSharedDefault("hideWithControls", false),
hideWithControlsTimer: getSharedDefault("hideWithControlsTimer", 2.0),
controllerLocation: getSharedDefault("controllerLocation", "top-left"),
controllerOpacity: getSharedDefault("controllerOpacity", 0.3),
controllerMarginTop: getSharedDefault("controllerMarginTop", 0),
controllerMarginRight: getSharedDefault("controllerMarginRight", 0),
controllerMarginBottom: getSharedDefault("controllerMarginBottom", 65),
controllerMarginLeft: getSharedDefault("controllerMarginLeft", 0),
shortcutTargetMode: getSharedDefault("shortcutTargetMode", "closest"),
keyBindings: getSharedDefault("keyBindings", []),
siteRules: getSharedDefault("siteRules", []),
controllerButtons: getSharedDefault("controllerButtons", [
"rewind",
"slower",
"faster",
"advance",
"display"
]),
defaultLogLevel: 3,
logLevel: 3,
enableSubtitleNudge: false,
subtitleNudgeEnabledByDefault: true,
subtitleNudgeInterval: 50, // Default 50ms balances subtitle tracking with CPU cost
subtitleNudgeAmount: 0.001,
enableSubtitleNudge: getSharedDefault("enableSubtitleNudge", false),
subtitleNudgeEnabledByDefault: getSharedDefault(
"subtitleNudgeEnabledByDefault",
true
),
subtitleNudgeInterval: getSharedDefault("subtitleNudgeInterval", 50),
subtitleNudgeAmount: getSharedDefault("subtitleNudgeAmount", 0.001),
customButtonIcons: {}
},
mediaElements: [],
isNudging: false,
pendingLastSpeedSave: null,
pendingLastSpeedValue: null,
lastSpeedSaveRetries: 0,
lastSpeedWriteInFlight: false,
lastSpeedWriteValue: null,
pendingRememberedSpeedsSave: null,
rememberedSpeedsSaveRetries: 0,
rememberedSpeedsWriteEpoch: 0,
rememberedSpeedsWriteInFlight: null,
rememberedSpeedsResetAt: 0,
speedAccessTimes: {},
persistedLastSpeed: 1.0,
activeSiteRule: null,
siteRuleBase: null
siteRuleBase: null,
runtimeSettingsHydrated: false,
pendingMediaCandidates: [],
settingsReloadRetries: 0,
lastPointerPosition: null,
lastInteractedMedia: null
};
var MIN_SPEED = 0.0625;
@@ -60,7 +162,9 @@ var YT_NATIVE_MAX = 2.0;
var YT_NATIVE_STEP = 0.05;
var vscObservedRoots = new WeakSet();
var vscConnectedScannedRoots = new WeakSet();
var vscInitializedDocuments = new Set();
var vscInitializedDocuments = new WeakSet();
var vscSourceObjectIds = new WeakMap();
var vscNextSourceObjectId = 1;
var requestIdle =
typeof window.requestIdleCallback === "function"
? window.requestIdleCallback.bind(window)
@@ -386,6 +490,7 @@ function captureSiteRuleBase() {
controllerOpacity: tc.settings.controllerOpacity,
controllerMarginTop: tc.settings.controllerMarginTop,
controllerMarginBottom: tc.settings.controllerMarginBottom,
shortcutTargetMode: tc.settings.shortcutTargetMode,
enableSubtitleNudge: tc.settings.enableSubtitleNudge,
subtitleNudgeEnabledByDefault: tc.settings.subtitleNudgeEnabledByDefault,
subtitleNudgeInterval: tc.settings.subtitleNudgeInterval,
@@ -413,6 +518,7 @@ function resetSettingsFromSiteRuleBase() {
tc.settings.controllerOpacity = base.controllerOpacity;
tc.settings.controllerMarginTop = base.controllerMarginTop;
tc.settings.controllerMarginBottom = base.controllerMarginBottom;
tc.settings.shortcutTargetMode = base.shortcutTargetMode;
tc.settings.enableSubtitleNudge = base.enableSubtitleNudge;
tc.settings.subtitleNudgeEnabledByDefault = base.subtitleNudgeEnabledByDefault;
tc.settings.subtitleNudgeInterval = base.subtitleNudgeInterval;
@@ -521,7 +627,11 @@ function normalizeStoredBinding(binding, fallbackCode) {
action: binding.action,
code: null,
disabled: true,
value: Number(binding.value),
value: keyBindingUtils.sanitizeActionValue(
binding.action,
binding.value,
0
),
force: String(binding.force) === "true" ? "true" : "false",
predefined: Boolean(binding.predefined)
};
@@ -536,7 +646,11 @@ function normalizeStoredBinding(binding, fallbackCode) {
action: binding.action,
code: normalizedCode,
disabled: false,
value: Number(binding.value),
value: keyBindingUtils.sanitizeActionValue(
binding.action,
binding.value,
0
),
force: String(binding.force) === "true" ? "true" : "false",
predefined: Boolean(binding.predefined)
};
@@ -554,7 +668,20 @@ function sanitizeSpeed(speed, fallback) {
}
function getVideoSourceKey(video) {
return (video && (video.currentSrc || video.src)) || "unknown_src";
if (!video) return "unknown_src";
var sourceObject = video.srcObject;
if (
sourceObject &&
(typeof sourceObject === "object" || typeof sourceObject === "function")
) {
if (!vscSourceObjectIds.has(sourceObject)) {
vscSourceObjectIds.set(sourceObject, vscNextSourceObjectId++);
}
return "src_object:" + vscSourceObjectIds.get(sourceObject);
}
return video.currentSrc || video.src || "unknown_src";
}
function getControllerTargetSpeed(video) {
@@ -589,21 +716,23 @@ function getRememberedSpeed(video) {
return null;
}
// Force is deliberately global and must outrank stale per-source memory.
if (tc.settings.forceLastSavedSpeed && isValidSpeed(tc.settings.lastSpeed)) {
return tc.settings.lastSpeed;
}
var sourceKey = getVideoSourceKey(video);
if (sourceKey !== "unknown_src") {
var videoSpeed = tc.settings.speeds[sourceKey];
if (isValidSpeed(videoSpeed)) return videoSpeed;
}
if (tc.settings.forceLastSavedSpeed && isValidSpeed(tc.settings.lastSpeed)) {
return tc.settings.lastSpeed;
}
if (tc.settings.rememberSpeed && isValidSpeed(tc.settings.lastSpeed)) {
return tc.settings.lastSpeed;
}
return null;
}
function getDesiredSpeed(video) {
if (tc.settings.forceLastSavedSpeed && isValidSpeed(tc.settings.lastSpeed)) {
return tc.settings.lastSpeed;
}
return getControllerTargetSpeed(video) || getRememberedSpeed(video) || 1.0;
}
@@ -774,24 +903,227 @@ function updateSubtitleNudgeIndicator(video) {
}
}
function flushPendingLastSpeed() {
tc.pendingLastSpeedSave = null;
if (tc.lastSpeedWriteInFlight) return;
var speedToPersist = tc.pendingLastSpeedValue;
tc.pendingLastSpeedValue = null;
if (!isValidSpeed(speedToPersist) || tc.persistedLastSpeed === speedToPersist) {
return;
}
tc.lastSpeedWriteInFlight = true;
tc.lastSpeedWriteValue = speedToPersist;
chrome.storage.sync.set({ lastSpeed: speedToPersist }, function() {
tc.lastSpeedWriteInFlight = false;
tc.lastSpeedWriteValue = null;
var retryDelay = 250;
if (chrome.runtime.lastError) {
if (tc.lastSpeedSaveRetries < 3) {
tc.lastSpeedSaveRetries += 1;
if (!isValidSpeed(tc.pendingLastSpeedValue)) {
tc.pendingLastSpeedValue = speedToPersist;
}
retryDelay = 500 * tc.lastSpeedSaveRetries;
}
} else {
tc.lastSpeedSaveRetries = 0;
tc.persistedLastSpeed = speedToPersist;
}
if (
isValidSpeed(tc.pendingLastSpeedValue) &&
tc.pendingLastSpeedValue !== tc.persistedLastSpeed &&
tc.pendingLastSpeedSave === null
) {
tc.pendingLastSpeedSave = setTimeout(
flushPendingLastSpeed,
retryDelay
);
} else if (tc.pendingLastSpeedValue === tc.persistedLastSpeed) {
tc.pendingLastSpeedValue = null;
}
});
}
function schedulePersistLastSpeed(speed) {
if (!isValidSpeed(speed)) return;
tc.pendingLastSpeedValue = speed;
if (tc.pendingLastSpeedSave !== null) return;
if (tc.pendingLastSpeedSave !== null || tc.lastSpeedWriteInFlight) return;
tc.pendingLastSpeedSave = setTimeout(flushPendingLastSpeed, 250);
}
tc.pendingLastSpeedSave = setTimeout(function() {
var speedToPersist = tc.pendingLastSpeedValue;
tc.pendingLastSpeedSave = null;
var MAX_PERSISTED_SOURCE_SPEEDS = 200;
if (!isValidSpeed(speedToPersist) || tc.persistedLastSpeed === speedToPersist) {
function isPersistableSourceKey(sourceKey) {
return Boolean(
sourceKey &&
sourceKey !== "unknown_src" &&
sourceKey.indexOf("src_object:") !== 0 &&
sourceKey.indexOf("blob:") !== 0 &&
sourceKey.length <= 2048
);
}
function buildRememberedSpeedsPayload() {
var entries = Object.keys(tc.settings.speeds)
.filter(function(sourceKey) {
return (
isPersistableSourceKey(sourceKey) &&
isValidSpeed(Number(tc.settings.speeds[sourceKey]))
);
})
.map(function(sourceKey) {
return {
sourceKey: sourceKey,
speed: Number(tc.settings.speeds[sourceKey]),
updatedAt: Number(tc.speedAccessTimes[sourceKey]) || 0
};
})
.sort(function(a, b) {
return b.updatedAt - a.updatedAt;
})
.slice(0, MAX_PERSISTED_SOURCE_SPEEDS);
var payload = {};
entries.forEach(function(entry) {
payload[entry.sourceKey] = {
speed: entry.speed,
updatedAt: entry.updatedAt
};
});
return payload;
}
function reconcileRememberedSpeedsAfterStaleWrite() {
var repairEpoch = tc.rememberedSpeedsWriteEpoch;
chrome.storage.local.get({ rememberedSpeeds: {} }, function(localStorage) {
if (
chrome.runtime.lastError ||
repairEpoch !== tc.rememberedSpeedsWriteEpoch
) {
return;
}
mergeRememberedSpeeds(localStorage && localStorage.rememberedSpeeds);
var repairedPayload = buildRememberedSpeedsPayload();
chrome.storage.local.set({ rememberedSpeeds: repairedPayload });
});
}
chrome.storage.sync.set({ lastSpeed: speedToPersist }, function() {
function schedulePersistRememberedSpeeds(forceSave) {
if (!tc.settings.rememberSpeed && forceSave !== true) return;
if (tc.pendingRememberedSpeedsSave !== null) return;
if (tc.rememberedSpeedsWriteInFlight) {
tc.pendingRememberedSpeedsSave = setTimeout(function() {
tc.pendingRememberedSpeedsSave = null;
schedulePersistRememberedSpeeds(true);
}, 100);
return;
}
tc.pendingRememberedSpeedsSave = setTimeout(function() {
tc.pendingRememberedSpeedsSave = null;
var currentPayload = buildRememberedSpeedsPayload();
var writeEpoch = tc.rememberedSpeedsWriteEpoch;
tc.rememberedSpeedsWriteInFlight = {
epoch: writeEpoch,
payload: null
};
// Merge at write time so independent frame content scripts do not erase
// each other's more recent source entries.
chrome.storage.local.get({ rememberedSpeeds: {} }, function(localStorage) {
if (writeEpoch !== tc.rememberedSpeedsWriteEpoch) {
tc.rememberedSpeedsWriteInFlight = null;
return;
}
if (chrome.runtime.lastError) {
tc.rememberedSpeedsWriteInFlight = null;
if (tc.rememberedSpeedsSaveRetries < 3) {
tc.rememberedSpeedsSaveRetries += 1;
schedulePersistRememberedSpeeds(true);
}
return;
}
var merged = {};
var existing =
localStorage &&
localStorage.rememberedSpeeds &&
typeof localStorage.rememberedSpeeds === "object"
? localStorage.rememberedSpeeds
: {};
[existing, currentPayload].forEach(function(sourceMap) {
Object.keys(sourceMap).forEach(function(sourceKey) {
var entry = sourceMap[sourceKey];
if (
!isPersistableSourceKey(sourceKey) ||
!entry ||
!isValidSpeed(Number(entry.speed)) ||
(tc.rememberedSpeedsResetAt > 0 &&
(Number(entry.updatedAt) || 0) <= tc.rememberedSpeedsResetAt)
) {
return;
}
var previous = merged[sourceKey];
if (
!previous ||
Number(entry.updatedAt) >= Number(previous.updatedAt)
) {
merged[sourceKey] = {
speed: Number(entry.speed),
updatedAt: Number(entry.updatedAt) || 0
};
}
});
});
var pruned = {};
Object.keys(merged)
.sort(function(a, b) {
return merged[b].updatedAt - merged[a].updatedAt;
})
.slice(0, MAX_PERSISTED_SOURCE_SPEEDS)
.forEach(function(sourceKey) {
pruned[sourceKey] = merged[sourceKey];
});
tc.rememberedSpeedsWriteInFlight.payload = pruned;
chrome.storage.local.set({ rememberedSpeeds: pruned }, function() {
var writeBecameStale =
writeEpoch !== tc.rememberedSpeedsWriteEpoch;
tc.rememberedSpeedsWriteInFlight = null;
if (writeBecameStale) {
reconcileRememberedSpeedsAfterStaleWrite();
return;
}
if (chrome.runtime.lastError) {
if (tc.rememberedSpeedsSaveRetries < 3) {
tc.rememberedSpeedsSaveRetries += 1;
schedulePersistRememberedSpeeds(true);
}
return;
}
tc.rememberedSpeedsSaveRetries = 0;
});
});
tc.persistedLastSpeed = speedToPersist;
}, 250);
}, 500);
}
function rememberSourceSpeed(video, speed) {
if (!tc.settings.rememberSpeed || !isValidSpeed(speed)) return;
var sourceKey = getVideoSourceKey(video);
if (sourceKey === "unknown_src") return;
tc.settings.speeds[sourceKey] = Number(speed);
tc.speedAccessTimes[sourceKey] = Math.max(
Date.now(),
tc.rememberedSpeedsResetAt + 1
);
if (isPersistableSourceKey(sourceKey)) {
schedulePersistRememberedSpeeds();
}
}
function suppressNextNudgeRateChanges(controller, count) {
@@ -829,29 +1161,34 @@ function resolveTargetSpeed(video) {
function applySourceTransitionPolicy(video, forceUpdate) {
if (!video || !video.vsc) return;
// A same-document navigation can change the applicable playback rule before
// or after the player swaps its source. Always resolve the URL first.
if (!reapplySiteRulesAndControllerGeometry()) return;
if (!video.vsc) return;
var sourceKey = getVideoSourceKey(video);
if (!forceUpdate && video.vsc.mediaSourceKey === sourceKey) return;
video.vsc.mediaSourceKey = sourceKey;
var desiredSpeed =
tc.settings.rememberSpeed || tc.settings.forceLastSavedSpeed
? sanitizeSpeed(tc.settings.lastSpeed, 1.0)
: 1.0;
var rememberedSpeed = getRememberedSpeed(video);
var desiredSpeed = isValidSpeed(rememberedSpeed) ? rememberedSpeed : 1.0;
video.vsc.targetSpeed = desiredSpeed;
video.vsc.targetSpeedSourceKey = sourceKey;
video.vsc.targetSpeedOrigin = isValidSpeed(rememberedSpeed)
? "policy"
: "source-reset";
if (video.vsc.speedIndicator) {
video.vsc.speedIndicator.textContent = desiredSpeed.toFixed(2);
}
if (isValidSpeed(rememberedSpeed)) {
extendSpeedRestoreWindow(video);
}
if (Math.abs(video.playbackRate - desiredSpeed) > 0.01) {
setSpeed(video, desiredSpeed, false, false);
}
// Same-tab SPA (e.g. YouTube watch → Shorts): URL can change while remember-speed
// already ran on src mutation — re-apply margins / location / opacity for new rules.
reapplySiteRulesAndControllerGeometry();
}
function extendSpeedRestoreWindow(video, duration) {
@@ -864,6 +1201,91 @@ function extendSpeedRestoreWindow(video, duration) {
video.vsc.speedRestoreUntil = Math.max(currentUntil, restoreUntil);
}
function clearAllSpeedRestoreEnforcement() {
tc.mediaElements.slice().forEach(function(video) {
if (!video || !video.vsc) return;
video.vsc.speedRestoreUntil = 0;
if (video.vsc.restoreSpeedTimer) {
clearTimeout(video.vsc.restoreSpeedTimer);
video.vsc.restoreSpeedTimer = null;
}
clearSpeedVerification(video.vsc);
if (video.vsc.targetSpeedOrigin === "policy") {
video.vsc.targetSpeed = null;
video.vsc.targetSpeedSourceKey = null;
video.vsc.targetSpeedOrigin = null;
video.vsc.stopSubtitleNudge();
}
});
}
function clearSpeedVerification(controller) {
if (!controller) return;
if (controller.speedVerificationTimer) {
clearTimeout(controller.speedVerificationTimer);
}
controller.speedVerificationTimer = null;
controller.speedVerificationTarget = null;
controller.speedVerificationAttempts = 0;
}
function scheduleSpeedVerification(video, desiredSpeed, resetAttempts) {
if (!video || !video.vsc || !isValidSpeed(desiredSpeed)) return;
var controller = video.vsc;
if (
resetAttempts === true ||
controller.speedVerificationTarget !== desiredSpeed
) {
controller.speedVerificationAttempts = 0;
}
controller.speedVerificationTarget = desiredSpeed;
if (controller.speedVerificationTimer) {
clearTimeout(controller.speedVerificationTimer);
}
controller.speedVerificationTimer = setTimeout(function verifySpeed() {
if (!video.vsc || video.vsc !== controller) return;
controller.speedVerificationTimer = null;
var actualSpeed;
try {
actualSpeed = Number(video.playbackRate);
} catch (error) {
actualSpeed = NaN;
}
if (isValidSpeed(actualSpeed) && Math.abs(actualSpeed - desiredSpeed) <= 0.01) {
clearSpeedVerification(controller);
return;
}
var restoreIsActive =
Number(controller.speedRestoreUntil) > Date.now();
var policyIsActive =
tc.settings.forceLastSavedSpeed ||
(tc.settings.rememberSpeed && controller.targetSpeedOrigin === "policy");
if (
(!restoreIsActive && !policyIsActive) ||
controller.speedVerificationAttempts >= 3
) {
clearSpeedVerification(controller);
log(
`Player rejected playbackRate ${desiredSpeed.toFixed(2)} after verification`,
3
);
return;
}
controller.speedVerificationAttempts += 1;
rememberPendingRateChange(video, desiredSpeed, false);
try {
video.playbackRate = desiredSpeed;
} catch (error) {
controller.pendingRateChange = null;
log(`Playback speed verification failed: ${error.message}`, 3);
}
scheduleSpeedVerification(video, desiredSpeed, false);
}, 125 * (Number(controller.speedVerificationAttempts) + 1));
}
function scheduleSpeedRestore(video, desiredSpeed, reason) {
if (!video || !video.vsc || !isValidSpeed(desiredSpeed)) return;
@@ -888,11 +1310,12 @@ function scheduleSpeedRestore(video, desiredSpeed, reason) {
}, 0);
}
function rememberPendingRateChange(video, speed) {
function rememberPendingRateChange(video, speed, shouldPersist) {
if (!video || !video.vsc || !isValidSpeed(speed)) return;
video.vsc.pendingRateChange = {
speed: Number(speed),
shouldPersist: shouldPersist === true,
expiresAt: Date.now() + 1000
};
}
@@ -940,6 +1363,18 @@ function isMediaElement(node) {
);
}
function isAmbientLoopMedia(node) {
return Boolean(
node &&
node.nodeName === "VIDEO" &&
node.autoplay === true &&
(node.muted === true || node.defaultMuted === true) &&
node.loop === true &&
node.playsInline === true &&
node.controls !== true
);
}
function hasUsableMediaSource(node) {
if (!isMediaElement(node) || !node.isConnected) return false;
if (node.currentSrc || node.src || node.srcObject) return true;
@@ -965,8 +1400,80 @@ function hasUsableMediaSource(node) {
return false;
}
function getControllerStructureSignature() {
return JSON.stringify({
buttons: Array.isArray(tc.settings.controllerButtons)
? tc.settings.controllerButtons
: [],
startHidden: tc.settings.startHidden === true
});
}
function ensureController(node, parent) {
if (!isMediaElement(node) || node.vsc) return node && node.vsc;
if (!tc.runtimeSettingsHydrated) {
if (
node &&
(node.nodeName === "VIDEO" || node.nodeName === "AUDIO") &&
!tc.pendingMediaCandidates.some(function(candidate) {
return candidate.node === node;
})
) {
tc.pendingMediaCandidates.push({ node: node, parent: parent });
}
return null;
}
if (!isMediaElement(node)) return null;
if (isAmbientLoopMedia(node)) {
if (node.vsc) removeController(node);
return null;
}
if (typeof tc.videoController === "undefined") defineVideoController();
// href selects site rules; re-run on every new/usable media so all runtime
// paths agree on activation and effective settings.
applySiteRuleOverrides();
if (!siteRuleUtils.isSpeederActiveForSite(tc.settings.enabled, tc.activeSiteRule)) {
if (node.vsc) removeController(node);
return null;
}
if (
node.vsc &&
(
!node.vsc.div ||
typeof node.vsc.remove !== "function" ||
node.vsc.structureSignature !== getControllerStructureSignature()
)
) {
removeController(node);
}
if (node.vsc) {
var existingController = node.vsc;
var hasSource = hasUsableMediaSource(node);
if (existingController.div) {
existingController.div.classList.toggle("vsc-nosource", !hasSource);
}
var fullscreenElement = getFullscreenElement(node.ownerDocument);
var normalMount = getControllerMount(node) || parent || node.parentNode;
if (normalMount) existingController.normalControllerMount = normalMount;
if (
fullscreenElement &&
(fullscreenElement === node ||
isComposedDescendant(node, fullscreenElement))
) {
syncControllerFullscreenMount(existingController);
} else if (normalMount) {
remountControllerHost(existingController, normalMount);
}
if (hasSource) {
applySourceTransitionPolicy(node, false);
}
return existingController;
}
if (!hasUsableMediaSource(node)) {
log(
`Deferring controller creation for ${node.tagName}: no usable source yet`,
@@ -975,24 +1482,48 @@ function ensureController(node, parent) {
return null;
}
// href selects site rules; re-run on every new/usable media so margins/opacity match current URL.
applySiteRuleOverrides();
if (!siteRuleUtils.isSpeederActiveForSite(tc.settings.enabled, tc.activeSiteRule)) {
return null;
}
refreshAllControllerGeometry();
log(
`Creating controller for ${node.tagName}: ${node.src || node.currentSrc || "no src"}`,
4
);
node.vsc = new tc.videoController(
node,
parent || node.parentElement || node.parentNode
);
try {
node.vsc = new tc.videoController(
node,
parent || node.parentElement || node.parentNode
);
} catch (error) {
log(`Unable to create media controller: ${error.message}`, 2);
removeController(node);
return null;
}
if (!node.vsc || !node.vsc.div) {
log("Controller initialization returned without a control host", 3);
removeController(node);
return null;
}
if (
node.vsc &&
(tc.settings.rememberSpeed || tc.settings.forceLastSavedSpeed)
) {
scheduleSpeedVerification(node, node.vsc.targetSpeed, true);
}
if (node.vsc) syncControllerFullscreenMount(node.vsc);
return node.vsc;
}
function flushPendingMediaCandidates() {
var pending = tc.pendingMediaCandidates.splice(0);
pending.forEach(function(candidate) {
if (!candidate.node || !candidate.node.isConnected) return;
ensureController(
candidate.node,
candidate.node.parentElement || candidate.parent || candidate.node.parentNode
);
});
}
function ensureControllerForMediaChild(node) {
if (!node || node.nodeType !== Node.ELEMENT_NODE) return null;
if (node.nodeName !== "SOURCE") return null;
@@ -1003,7 +1534,22 @@ function ensureControllerForMediaChild(node) {
}
function removeController(node) {
if (node && node.vsc) node.vsc.remove();
if (!node || !node.vsc) return;
var controller = node.vsc;
if (typeof controller.remove === "function") {
try {
controller.remove();
return;
} catch (error) {
log(`Partial controller cleanup failed: ${error.message}`, 3);
}
}
if (controller.div && typeof controller.div.remove === "function") {
controller.div.remove();
}
var index = tc.mediaElements.indexOf(node);
if (index !== -1) tc.mediaElements.splice(index, 1);
delete node.vsc;
}
function scanNodeForMedia(node, parent, added) {
@@ -1028,10 +1574,17 @@ function scanNodeForMedia(node, parent, added) {
if (isMediaElement(node)) {
if (added) ensureController(node, parent);
else removeController(node);
} else if (added) {
} else if (node.nodeName === "SOURCE") {
// Players such as Vidstack often connect an empty <video> and append its
// <source> later. Retry the owning video when that source becomes usable.
ensureControllerForMediaChild(node);
var owningMedia = isMediaElement(parent)
? parent
: node.parentElement;
if (owningMedia) {
ensureController(owningMedia, owningMedia.parentNode);
} else if (added) {
ensureControllerForMediaChild(node);
}
}
// Use querySelectorAll instead of recursive child walking — the browser's
@@ -1099,9 +1652,35 @@ function scanRootForMedia(root) {
var scanRoot = getScanNodeForRoot(root);
if (!scanRoot) return;
scanNodeForMedia(scanRoot, root.host || scanRoot.parentNode || scanRoot, true);
if (root.nodeType === Node.DOCUMENT_NODE) {
attachIframeListeners(root);
}
function rescanOpenShadowRoots(root, visited, rescanObserved) {
var scanRoot = getScanNodeForRoot(root);
if (!scanRoot || typeof scanRoot.querySelectorAll !== "function") return;
var seen = visited || new WeakSet();
var hosts = [];
if (scanRoot.nodeType === Node.ELEMENT_NODE && scanRoot.shadowRoot) {
hosts.push(scanRoot);
}
try {
var elements = scanRoot.querySelectorAll("*");
for (var i = 0; i < elements.length; i++) {
if (elements[i].shadowRoot) hosts.push(elements[i]);
}
} catch (_error) {
return;
}
hosts.forEach(function(host) {
var shadowRoot = host.shadowRoot;
if (!shadowRoot || seen.has(shadowRoot)) return;
seen.add(shadowRoot);
if (rescanObserved !== false || !vscObservedRoots.has(shadowRoot)) {
observeRoot(shadowRoot);
}
rescanOpenShadowRoots(shadowRoot, seen, rescanObserved);
});
}
function observeRoot(root) {
@@ -1124,7 +1703,10 @@ function observeRoot(root) {
attachMediaDetectionListeners(root);
}
if (isConnected && !vscConnectedScannedRoots.has(root)) {
if (
isConnected &&
(!vscConnectedScannedRoots.has(root) || isShadowRootNode(root))
) {
vscConnectedScannedRoots.add(root);
if (rootMayContainMedia(root)) {
scanRootForMedia(root);
@@ -1156,6 +1738,100 @@ function patchAttachShadow() {
window.vscAttachShadowPatched = true;
}
function installPageShadowBridge() {
if (window.vscPageShadowBridgeRequested) return;
if (!window.vscPageBridgeListenersAttached) {
window.vscPageBridgeListenersAttached = true;
document.addEventListener(
"speeder-shadow-root-attached",
function(event) {
var host = event.target;
if (!host || !host.shadowRoot) return;
try {
observeRoot(host.shadowRoot);
} catch (error) {
log(`Unable to observe page-created shadow root: ${error.message}`, 3);
}
},
true
);
document.addEventListener(
"speeder-location-changed",
function() {
scheduleNavigationRescan();
},
true
);
}
function startPersistentShadowFallback() {
if (window.vscPersistentShadowFallbackTimer) return;
window.vscPersistentShadowFallbackTimer = setInterval(function() {
requestIdle(
function() {
if (!document.body) return;
rescanOpenShadowRoots(document, undefined, false);
},
{ timeout: 2000 }
);
}, 30000);
}
function handleBridgeFailure() {
window.vscPageShadowBridgeRequested = false;
window.vscPageShadowBridgeRetries =
(Number(window.vscPageShadowBridgeRetries) || 0) + 1;
startPersistentShadowFallback();
if (window.vscPageShadowBridgeRetries > 3) return;
clearTimeout(window.vscPageShadowBridgeRetryTimer);
window.vscPageShadowBridgeRetryTimer = setTimeout(function() {
installPageShadowBridge();
}, 250 * window.vscPageShadowBridgeRetries);
}
var parent = document.documentElement || document.head;
if (!parent) {
if (!window.vscPageShadowBridgeRetryAttached) {
window.vscPageShadowBridgeRetryAttached = true;
var retryBridgeInstall = function() {
if (document.documentElement || document.head) {
document.removeEventListener("readystatechange", retryBridgeInstall);
document.removeEventListener("DOMContentLoaded", retryBridgeInstall);
installPageShadowBridge();
}
};
document.addEventListener("readystatechange", retryBridgeInstall);
document.addEventListener("DOMContentLoaded", retryBridgeInstall);
}
return;
}
try {
var bridge = document.createElement("script");
bridge.src = chrome.runtime.getURL("content/shadow-bridge.js");
bridge.async = false;
bridge.addEventListener("load", function() {
bridge.remove();
window.vscPageShadowBridgeLoaded = true;
window.vscPageShadowBridgeRetries = 0;
clearTimeout(window.vscPageShadowBridgeRetryTimer);
if (window.vscPersistentShadowFallbackTimer) {
clearInterval(window.vscPersistentShadowFallbackTimer);
window.vscPersistentShadowFallbackTimer = null;
}
});
bridge.addEventListener("error", function() {
bridge.remove();
handleBridgeFailure();
});
window.vscPageShadowBridgeRequested = true;
parent.appendChild(bridge);
} catch (error) {
handleBridgeFailure();
log(`Unable to install page shadow bridge: ${error.message}`, 3);
}
}
/* Log levels */
function log(message, level) {
verbosity = tc.settings.logLevel;
@@ -1173,117 +1849,378 @@ function log(message, level) {
}
}
// Patch attachShadow immediately — before any async operations — so we
// catch shadow roots created while chrome.storage.sync.get is pending.
// Sites like archive.org create Lit/LitElement shadow DOMs during page load;
// waiting for the storage callback would miss them entirely.
patchAttachShadow();
chrome.storage.sync.get(tc.settings, function(storage) {
function hydrateRuntimeSettings(rawStorage, options) {
var config = options || {};
var storage =
typeof vscExpandStoredSettings === "function"
? vscExpandStoredSettings(rawStorage || {})
: Object.assign({}, tc.settings, rawStorage || {});
var storedBindings = Array.isArray(storage.keyBindings)
? storage.keyBindings
: [];
tc.settings.keyBindings = storedBindings
.map((binding) => normalizeStoredBinding(binding))
.map(function(binding) {
return normalizeStoredBinding(binding);
})
.filter(Boolean);
if (tc.settings.keyBindings.length === 0) {
tc.settings.keyBindings = defaultKeyBindings(storage);
tc.settings.version = "0.5.3";
chrome.storage.sync.set({
keyBindings: tc.settings.keyBindings,
version: tc.settings.version,
rememberSpeed: tc.settings.rememberSpeed,
forceLastSavedSpeed: tc.settings.forceLastSavedSpeed,
audioBoolean: tc.settings.audioBoolean,
startHidden: tc.settings.startHidden,
enabled: tc.settings.enabled,
controllerLocation: tc.settings.controllerLocation,
controllerOpacity: tc.settings.controllerOpacity
});
}
tc.settings.lastSpeed = Number(storage.lastSpeed);
if (!isValidSpeed(tc.settings.lastSpeed) && tc.settings.lastSpeed !== 1.0) {
var unsavedLastSpeed = isValidSpeed(tc.pendingLastSpeedValue)
? Number(tc.pendingLastSpeedValue)
: tc.lastSpeedWriteInFlight && isValidSpeed(tc.lastSpeedWriteValue)
? Number(tc.lastSpeedWriteValue)
: null;
var hasPendingLastSpeed = Boolean(
config.preservePendingLastSpeed && isValidSpeed(unsavedLastSpeed)
);
var storedLastSpeed = Number(storage.lastSpeed);
var nextLastSpeed = hasPendingLastSpeed
? unsavedLastSpeed
: storedLastSpeed;
if (!isValidSpeed(nextLastSpeed)) {
log(`Invalid lastSpeed detected: ${storage.lastSpeed}, resetting to 1.0`, 3);
tc.settings.lastSpeed = 1.0;
tc.persistedLastSpeed = 1.0;
chrome.storage.sync.set({ lastSpeed: 1.0 });
} else if (!isValidSpeed(tc.settings.lastSpeed)) {
tc.settings.lastSpeed = 1.0;
nextLastSpeed = 1.0;
if (!hasPendingLastSpeed) {
chrome.storage.sync.set({ lastSpeed: 1.0 });
}
}
tc.persistedLastSpeed = tc.settings.lastSpeed;
tc.settings.rememberSpeed = Boolean(storage.rememberSpeed);
tc.settings.forceLastSavedSpeed = Boolean(storage.forceLastSavedSpeed);
tc.settings.audioBoolean = Boolean(storage.audioBoolean);
tc.settings.enabled = Boolean(storage.enabled);
tc.settings.startHidden = Boolean(storage.startHidden);
tc.settings.lastSpeed = nextLastSpeed;
if (isValidSpeed(storedLastSpeed)) {
tc.persistedLastSpeed = storedLastSpeed;
} else if (!hasPendingLastSpeed) {
tc.persistedLastSpeed = nextLastSpeed;
}
tc.settings.rememberSpeed = storage.rememberSpeed === true;
tc.settings.forceLastSavedSpeed = storage.forceLastSavedSpeed === true;
tc.settings.audioBoolean = storage.audioBoolean === true;
tc.settings.enabled = storage.enabled !== false;
tc.settings.startHidden = storage.startHidden === true;
tc.settings.hideWithControls =
typeof storage.hideWithControls !== "undefined"
? Boolean(storage.hideWithControls)
: Boolean(storage.hideWithYouTubeControls);
tc.settings.hideWithControlsTimer =
Math.min(15, Math.max(0.1, Number(storage.hideWithControlsTimer) || 2.0));
tc.settings.hideWithControlsTimer = Math.min(
15,
Math.max(0.1, Number(storage.hideWithControlsTimer) || 2.0)
);
tc.settings.hideWithYouTubeControls = tc.settings.hideWithControls;
tc.settings.controllerLocation = normalizeControllerLocation(
storage.controllerLocation
);
tc.settings.controllerOpacity = Number(storage.controllerOpacity);
if (!Number.isFinite(tc.settings.controllerOpacity)) {
tc.settings.controllerOpacity = getSharedDefault("controllerOpacity", 0.3);
}
tc.settings.controllerMarginTop = normalizeControllerMarginPx(
storage.controllerMarginTop,
0
getSharedDefault("controllerMarginTop", 0)
);
tc.settings.controllerMarginRight = normalizeControllerMarginPx(
0,
0
storage.controllerMarginRight,
getSharedDefault("controllerMarginRight", 0)
);
tc.settings.controllerMarginBottom = normalizeControllerMarginPx(
storage.controllerMarginBottom,
typeof storage.controllerMarginBottom !== "undefined" ? 0 : 65
getSharedDefault("controllerMarginBottom", 65)
);
tc.settings.controllerMarginLeft = normalizeControllerMarginPx(
0,
0
storage.controllerMarginLeft,
getSharedDefault("controllerMarginLeft", 0)
);
tc.settings.shortcutTargetMode =
storage.shortcutTargetMode === "all" ? "all" : "closest";
tc.settings.siteRules = Array.isArray(storage.siteRules)
? storage.siteRules
: [];
? storage.siteRules.map(function(rule) {
return rule && typeof rule === "object" ? Object.assign({}, rule) : rule;
})
: getSharedDefault("siteRules", []);
tc.settings.controllerButtons = Array.isArray(storage.controllerButtons)
? storage.controllerButtons
: tc.settings.controllerButtons;
tc.settings.enableSubtitleNudge =
typeof storage.enableSubtitleNudge !== "undefined"
? Boolean(storage.enableSubtitleNudge)
: tc.settings.enableSubtitleNudge;
? storage.controllerButtons.slice()
: getSharedDefault("controllerButtons", [
"rewind",
"slower",
"faster",
"advance",
"display"
]);
tc.settings.enableSubtitleNudge = Boolean(storage.enableSubtitleNudge);
tc.settings.subtitleNudgeEnabledByDefault =
typeof storage.subtitleNudgeEnabledByDefault !== "undefined"
? Boolean(storage.subtitleNudgeEnabledByDefault)
: tc.settings.subtitleNudgeEnabledByDefault;
: getSharedDefault("subtitleNudgeEnabledByDefault", true);
tc.settings.subtitleNudgeInterval = Math.min(
1000,
Math.max(10, Number(storage.subtitleNudgeInterval) || 50)
);
tc.settings.subtitleNudgeAmount =
Number(storage.subtitleNudgeAmount) || tc.settings.subtitleNudgeAmount;
Number(storage.subtitleNudgeAmount) ||
getSharedDefault("subtitleNudgeAmount", 0.001);
var addedDefaultBinding = false;
addedDefaultBinding =
ensureDefaultKeyBinding(
"display",
"KeyV",
0
) || addedDefaultBinding;
ensureDefaultKeyBinding("display", "KeyV", 0) || addedDefaultBinding;
addedDefaultBinding =
ensureDefaultKeyBinding("move", "KeyP", 0) || addedDefaultBinding;
addedDefaultBinding =
ensureDefaultKeyBinding("toggleSubtitleNudge", "KeyN", 0) ||
addedDefaultBinding;
if (addedDefaultBinding) {
if (addedDefaultBinding && config.persistMissingBindings !== false) {
chrome.storage.sync.set({ keyBindings: tc.settings.keyBindings });
}
// Capture only freshly hydrated global values. Calling this while a current
// route's overrides are still applied would promote those overrides into the
// global base and leak them into the next SPA route.
captureSiteRuleBase();
return storage;
}
function replaceRememberedSpeeds(rememberedSpeeds) {
Object.keys(tc.settings.speeds).forEach(function(sourceKey) {
if (isPersistableSourceKey(sourceKey)) {
delete tc.settings.speeds[sourceKey];
delete tc.speedAccessTimes[sourceKey];
}
});
var sourceMap =
rememberedSpeeds && typeof rememberedSpeeds === "object"
? rememberedSpeeds
: {};
Object.keys(sourceMap).forEach(function(sourceKey) {
var storedEntry = sourceMap[sourceKey];
var storedSpeed =
storedEntry && typeof storedEntry === "object"
? Number(storedEntry.speed)
: Number(storedEntry);
var storedUpdatedAt =
storedEntry && typeof storedEntry === "object"
? Number(storedEntry.updatedAt) || 0
: 0;
if (
!isPersistableSourceKey(sourceKey) ||
!isValidSpeed(storedSpeed) ||
(tc.rememberedSpeedsResetAt > 0 &&
storedUpdatedAt <= tc.rememberedSpeedsResetAt)
) {
return;
}
tc.settings.speeds[sourceKey] = storedSpeed;
tc.speedAccessTimes[sourceKey] = storedUpdatedAt;
});
}
function mergeRememberedSpeeds(rememberedSpeeds) {
var sourceMap =
rememberedSpeeds && typeof rememberedSpeeds === "object"
? rememberedSpeeds
: {};
Object.keys(sourceMap).forEach(function(sourceKey) {
var storedEntry = sourceMap[sourceKey];
var storedSpeed =
storedEntry && typeof storedEntry === "object"
? Number(storedEntry.speed)
: Number(storedEntry);
var storedUpdatedAt =
storedEntry && typeof storedEntry === "object"
? Number(storedEntry.updatedAt) || 0
: 0;
if (
!isPersistableSourceKey(sourceKey) ||
!isValidSpeed(storedSpeed) ||
(tc.rememberedSpeedsResetAt > 0 &&
storedUpdatedAt <= tc.rememberedSpeedsResetAt)
) {
return;
}
var currentUpdatedAt = Number(tc.speedAccessTimes[sourceKey]) || 0;
if (
!isValidSpeed(Number(tc.settings.speeds[sourceKey])) ||
storedUpdatedAt >= currentUpdatedAt
) {
tc.settings.speeds[sourceKey] = storedSpeed;
tc.speedAccessTimes[sourceKey] = storedUpdatedAt;
}
});
}
function rememberedSpeedsPayloadMatches(sourceMap, expectedPayload) {
var actual = sourceMap && typeof sourceMap === "object" ? sourceMap : {};
var expected =
expectedPayload && typeof expectedPayload === "object"
? expectedPayload
: {};
var actualKeys = Object.keys(actual).filter(function(sourceKey) {
return isPersistableSourceKey(sourceKey);
});
var expectedKeys = Object.keys(expected);
if (actualKeys.length !== expectedKeys.length) return false;
return expectedKeys.every(function(sourceKey) {
var actualEntry = actual[sourceKey];
var expectedEntry = expected[sourceKey];
return Boolean(
actualEntry &&
expectedEntry &&
Number(actualEntry.speed) === Number(expectedEntry.speed) &&
(Number(actualEntry.updatedAt) || 0) ===
(Number(expectedEntry.updatedAt) || 0)
);
});
}
function clearRememberedSpeedsInMemory(resetAt) {
tc.rememberedSpeedsWriteEpoch += 1;
if (tc.pendingRememberedSpeedsSave !== null) {
clearTimeout(tc.pendingRememberedSpeedsSave);
tc.pendingRememberedSpeedsSave = null;
}
tc.rememberedSpeedsSaveRetries = 0;
var preserveAfter = Number(resetAt) || 0;
Object.keys(tc.settings.speeds).forEach(function(sourceKey) {
if (!isPersistableSourceKey(sourceKey)) return;
if (
preserveAfter > 0 &&
(Number(tc.speedAccessTimes[sourceKey]) || 0) > preserveAfter
) {
return;
}
delete tc.settings.speeds[sourceKey];
delete tc.speedAccessTimes[sourceKey];
});
}
function applyRememberedSpeedsResetMarker(value) {
var resetAt = Number(value) || 0;
if (resetAt <= tc.rememberedSpeedsResetAt) return false;
tc.rememberedSpeedsResetAt = resetAt;
clearRememberedSpeedsInMemory(resetAt);
return true;
}
function applyCustomButtonIcons(customButtonIcons) {
tc.settings.customButtonIcons =
customButtonIcons && typeof customButtonIcons === "object"
? customButtonIcons
: {};
if (!tc.mediaElements || !tc.mediaElements.length) return;
tc.mediaElements.forEach(function(video) {
if (!video.vsc || !video.vsc.div) return;
var doc = video.ownerDocument;
var shadow = video.vsc.div.shadowRoot;
if (!shadow) return;
shadow.querySelectorAll("button[data-action]").forEach(function(btn) {
var act = btn.dataset.action;
if (!act) return;
var svg =
tc.settings.customButtonIcons &&
tc.settings.customButtonIcons[act] &&
tc.settings.customButtonIcons[act].svg;
vscClearElement(btn);
if (svg) {
var customWrap = vscCreateSvgWrap(doc, svg, "vsc-btn-icon");
if (customWrap) {
btn.appendChild(customWrap);
} else {
var customDef = controllerButtonDefs[act];
btn.textContent = (customDef && customDef.label) || "?";
}
} else if (typeof vscIconWrap === "function") {
var wrap = vscIconWrap(doc, act, 14);
if (wrap) {
btn.appendChild(wrap);
} else {
var defaultDef = controllerButtonDefs[act];
btn.textContent = (defaultDef && defaultDef.label) || "?";
}
} else {
var fallbackDef = controllerButtonDefs[act];
btn.textContent = (fallbackDef && fallbackDef.label) || "?";
}
});
updateSubtitleNudgeIndicator(video);
});
}
function scheduleRuntimeSettingsReload() {
var reloadGeneration =
(Number(window.vscSettingsReloadGeneration) || 0) + 1;
window.vscSettingsReloadGeneration = reloadGeneration;
clearTimeout(window.vscSettingsReloadTimer);
clearTimeout(window.vscSettingsReloadRetryTimer);
window.vscSettingsReloadTimer = setTimeout(function() {
chrome.storage.sync.get(null, function(rawStorage) {
if (reloadGeneration !== window.vscSettingsReloadGeneration) return;
if (chrome.runtime.lastError) {
if (tc.settingsReloadRetries < 3) {
tc.settingsReloadRetries += 1;
window.vscSettingsReloadRetryTimer = setTimeout(function() {
if (reloadGeneration === window.vscSettingsReloadGeneration) {
scheduleRuntimeSettingsReload();
}
}, 250 * tc.settingsReloadRetries);
}
return;
}
tc.settingsReloadRetries = 0;
var wasForceEnabled = tc.settings.forceLastSavedSpeed === true;
var wasRememberEnabled = tc.settings.rememberSpeed === true;
hydrateRuntimeSettings(rawStorage || {}, {
preservePendingLastSpeed: true,
persistMissingBindings: false
});
applySiteRuleOverrides();
if (
(wasForceEnabled && !tc.settings.forceLastSavedSpeed) ||
(wasRememberEnabled && !tc.settings.rememberSpeed)
) {
clearAllSpeedRestoreEnforcement();
}
initializeWhenReady(document, true);
});
}, 75);
}
function loadInitialLocalSettings(attempt, callback) {
chrome.storage.local.get(
["customButtonIcons", "rememberedSpeeds", "rememberedSpeedsResetAt"],
function(localStorage) {
if (chrome.runtime.lastError && attempt < 3) {
setTimeout(function() {
loadInitialLocalSettings(attempt + 1, callback);
}, 100 * (attempt + 1));
return;
}
callback(chrome.runtime.lastError ? {} : localStorage || {});
}
);
}
// Patch attachShadow immediately — before any async operations — so we
// catch shadow roots created while chrome.storage.sync.get is pending.
// Sites like archive.org create Lit/LitElement shadow DOMs during page load;
// waiting for the storage callback would miss them entirely.
patchAttachShadow();
installPageShadowBridge();
function loadInitialRuntimeSettings(attempt) {
chrome.storage.sync.get(null, function(rawStorage) {
if (chrome.runtime.lastError && attempt < 3) {
setTimeout(function() {
loadInitialRuntimeSettings(attempt + 1);
}, 100 * (attempt + 1));
return;
}
hydrateRuntimeSettings(rawStorage || {});
// patchAttachShadow() is now called at top-level before this callback
// Add a listener for messages from the popup.
// We use a global flag to ensure the listener is only attached once.
@@ -1302,7 +2239,12 @@ chrome.storage.sync.get(tc.settings, function(storage) {
var videoGs = getPrimaryVideoElement();
if (!videoGs) return false;
sendResponse({
speed: videoGs.playbackRate
speed: videoGs.playbackRate,
forceLastSavedSpeed: tc.settings.forceLastSavedSpeed === true,
forceLastSavedSpeedControlledBySiteRule: Boolean(
tc.activeSiteRule &&
tc.activeSiteRule.forceLastSavedSpeed !== undefined
)
});
return false;
}
@@ -1311,26 +2253,37 @@ chrome.storage.sync.get(tc.settings, function(storage) {
return false;
}
if (request.action === "set_force_last_saved_speed") {
tc.settings.forceLastSavedSpeed = Boolean(request.enabled);
if (isValidSpeed(Number(request.speed))) {
tc.settings.lastSpeed = Number(request.speed);
var forceEnabled = Boolean(request.enabled);
if (tc.siteRuleBase) {
tc.siteRuleBase.forceLastSavedSpeed = forceEnabled;
}
// Site rules own the effective per-page value. The popup changes the
// global base, then this reapplication keeps both paths consistent.
applySiteRuleOverrides();
var forceVideo = getPrimaryVideoElement();
if (!forceVideo) return false;
if (tc.settings.forceLastSavedSpeed) {
tc.mediaElements.forEach(function(video) {
if (!video || !video.vsc) return;
setSpeed(video, tc.settings.lastSpeed, false, true);
setSpeed(video, tc.settings.lastSpeed, false, false);
video.vsc.targetSpeedOrigin = "policy";
extendSpeedRestoreWindow(video);
});
}
sendResponse({
enabled: tc.settings.forceLastSavedSpeed,
speed: forceVideo.playbackRate
speed: forceVideo ? forceVideo.playbackRate : null
});
return false;
}
if (request.action === "run_action") {
if (
!siteRuleUtils.isSpeederActiveForSite(
tc.settings.enabled,
tc.activeSiteRule
)
) {
return false;
}
var value = request.value;
if (value === undefined || value === null) {
value = getKeyBindings(request.actionName, "value");
@@ -1350,64 +2303,175 @@ chrome.storage.sync.get(tc.settings, function(storage) {
// Set the flag to prevent adding the listener again.
window.vscMessageListener = true;
}
chrome.storage.local.get(["customButtonIcons"], function(loc) {
tc.settings.customButtonIcons =
loc &&
loc.customButtonIcons &&
typeof loc.customButtonIcons === "object"
? loc.customButtonIcons
: {};
loadInitialLocalSettings(0, function(loc) {
applyCustomButtonIcons(loc && loc.customButtonIcons);
applyRememberedSpeedsResetMarker(
loc && loc.rememberedSpeedsResetAt
);
replaceRememberedSpeeds(loc && loc.rememberedSpeeds);
if (!window.vscCustomIconListener) {
window.vscCustomIconListener = true;
chrome.storage.onChanged.addListener(function(changes, area) {
if (area !== "local" || !changes.customButtonIcons) return;
var nv = changes.customButtonIcons.newValue;
tc.settings.customButtonIcons =
nv && typeof nv === "object" ? nv : {};
if (tc.mediaElements && tc.mediaElements.length) {
tc.mediaElements.forEach(function(video) {
if (!video.vsc || !video.vsc.div) return;
var doc = video.ownerDocument;
var shadow = video.vsc.div.shadowRoot;
if (!shadow) return;
shadow.querySelectorAll("button[data-action]").forEach(function(btn) {
var act = btn.dataset.action;
if (!act) return;
var svg =
tc.settings.customButtonIcons &&
tc.settings.customButtonIcons[act] &&
tc.settings.customButtonIcons[act].svg;
vscClearElement(btn);
if (svg) {
var cw = vscCreateSvgWrap(doc, svg, "vsc-btn-icon");
if (cw) {
btn.appendChild(cw);
} else {
var cdf = controllerButtonDefs[act];
btn.textContent = (cdf && cdf.label) || "?";
}
} else if (typeof vscIconWrap === "function") {
var wrap = vscIconWrap(doc, act, 14);
if (wrap) {
btn.appendChild(wrap);
} else {
var cdf = controllerButtonDefs[act];
btn.textContent = (cdf && cdf.label) || "?";
}
} else {
var cdf2 = controllerButtonDefs[act];
btn.textContent = (cdf2 && cdf2.label) || "?";
if (area === "sync") {
var changedKeys = Object.keys(changes || {});
var isLastSpeedOnly =
changedKeys.length === 1 && changedKeys[0] === "lastSpeed";
if (isLastSpeedOnly) {
var changedLastSpeed = Number(changes.lastSpeed.newValue);
if (isValidSpeed(changedLastSpeed)) {
tc.persistedLastSpeed = changedLastSpeed;
var newerLocalLastSpeed = isValidSpeed(tc.pendingLastSpeedValue)
? Number(tc.pendingLastSpeedValue)
: tc.lastSpeedWriteInFlight &&
isValidSpeed(tc.lastSpeedWriteValue)
? Number(tc.lastSpeedWriteValue)
: null;
if (
isValidSpeed(newerLocalLastSpeed) &&
newerLocalLastSpeed !== changedLastSpeed
) {
return;
}
});
updateSubtitleNudgeIndicator(video);
});
tc.settings.lastSpeed = changedLastSpeed;
if (tc.settings.forceLastSavedSpeed) {
tc.mediaElements.slice().forEach(applyRememberedSpeedPolicy);
}
}
return;
}
var managedKeys =
typeof vscGetManagedSyncKeys === "function"
? vscGetManagedSyncKeys()
: [
"enabled",
"rememberSpeed",
"forceLastSavedSpeed",
"siteRules"
];
if (
changedKeys.some(function(key) {
return managedKeys.indexOf(key) !== -1;
})
) {
// Options persistence may emit a set followed by a remove. Re-read
// the final sparse state after the burst instead of reconstructing
// settings from partial change records.
scheduleRuntimeSettingsReload();
}
return;
}
if (area !== "local") return;
if (changes.rememberedSpeedsResetAt) {
window.vscRememberedSpeedsGeneration =
(Number(window.vscRememberedSpeedsGeneration) || 0) + 1;
applyRememberedSpeedsResetMarker(
changes.rememberedSpeedsResetAt.newValue
);
}
if (changes.rememberedSpeeds) {
window.vscRememberedSpeedsGeneration =
(Number(window.vscRememberedSpeedsGeneration) || 0) + 1;
var changedRememberedSpeeds = changes.rememberedSpeeds.newValue;
var inFlightRememberedSpeedsWrite =
tc.rememberedSpeedsWriteInFlight;
if (
inFlightRememberedSpeedsWrite &&
inFlightRememberedSpeedsWrite.epoch !==
tc.rememberedSpeedsWriteEpoch &&
inFlightRememberedSpeedsWrite.payload &&
rememberedSpeedsPayloadMatches(
changedRememberedSpeeds,
inFlightRememberedSpeedsWrite.payload
)
) {
return;
}
if (
!changedRememberedSpeeds ||
typeof changedRememberedSpeeds !== "object" ||
Object.keys(changedRememberedSpeeds).length === 0
) {
clearRememberedSpeedsInMemory(tc.rememberedSpeedsResetAt);
if (Object.keys(buildRememberedSpeedsPayload()).length > 0) {
schedulePersistRememberedSpeeds(true);
}
} else {
// Merge rather than replace: another frame can write while this
// frame still has a newer per-source speed queued. If the storage
// snapshot is missing one of our newer entries, self-heal it with a
// merged write instead of silently losing either frame's intent.
mergeRememberedSpeeds(changedRememberedSpeeds);
var expectedRememberedSpeeds = buildRememberedSpeedsPayload();
if (
!rememberedSpeedsPayloadMatches(
changedRememberedSpeeds,
expectedRememberedSpeeds
)
) {
schedulePersistRememberedSpeeds(true);
}
}
}
if (!changes.customButtonIcons) return;
window.vscCustomIconGeneration =
(Number(window.vscCustomIconGeneration) || 0) + 1;
var nv = changes.customButtonIcons.newValue;
applyCustomButtonIcons(nv);
});
}
initializeWhenReady(document);
// Close the small gap between the initial sync/local reads and listener
// registration. A final read also converges if Options saved while this
// content script was starting.
scheduleRuntimeSettingsReload();
var customIconGeneration =
Number(window.vscCustomIconGeneration) || 0;
var rememberedSpeedsGeneration =
Number(window.vscRememberedSpeedsGeneration) || 0;
chrome.storage.local.get(
["customButtonIcons", "rememberedSpeeds", "rememberedSpeedsResetAt"],
function(latestLocal) {
if (chrome.runtime.lastError) return;
if (
customIconGeneration ===
(Number(window.vscCustomIconGeneration) || 0)
) {
applyCustomButtonIcons(latestLocal && latestLocal.customButtonIcons);
}
if (
rememberedSpeedsGeneration ===
(Number(window.vscRememberedSpeedsGeneration) || 0)
) {
applyRememberedSpeedsResetMarker(
latestLocal && latestLocal.rememberedSpeedsResetAt
);
mergeRememberedSpeeds(latestLocal && latestLocal.rememberedSpeeds);
var latestRememberedSpeeds =
latestLocal && latestLocal.rememberedSpeeds;
if (
!rememberedSpeedsPayloadMatches(
latestRememberedSpeeds,
buildRememberedSpeedsPayload()
)
) {
schedulePersistRememberedSpeeds(true);
}
if (tc.settings.rememberSpeed || tc.settings.forceLastSavedSpeed) {
tc.mediaElements.slice().forEach(applyRememberedSpeedPolicy);
}
}
}
);
tc.runtimeSettingsHydrated = true;
initializeWhenReady(document);
});
});
});
}
loadInitialRuntimeSettings(0);
function getKeyBindings(action, what = "value") {
try {
@@ -1418,8 +2482,12 @@ function getKeyBindings(action, what = "value") {
}
function setKeyBindings(action, value) {
tc.settings.keyBindings.find((item) => item.action === action)["value"] =
value;
var binding = tc.settings.keyBindings.find(function(item) {
return item.action === action;
});
if (!binding) return false;
binding.value = value;
return true;
}
function createControllerButton(doc, action, label, className) {
@@ -1478,22 +2546,99 @@ function createsControllerStackingContext(element) {
);
}
function getControllerMount(video, boundary) {
if (!video || !video.parentElement) return null;
function isShadowRootNode(node) {
return Boolean(
node &&
node.nodeType === Node.DOCUMENT_FRAGMENT_NODE &&
node.host &&
node.host.nodeType === Node.ELEMENT_NODE
);
}
var mountBoundary =
function isComposedDescendant(node, ancestor) {
if (!node || !ancestor) return false;
if (node === ancestor) return true;
if (typeof ancestor.contains === "function" && ancestor.contains(node)) {
return true;
}
var current = node;
var depth = 0;
while (current && depth < 20) {
if (current === ancestor) return true;
if (current.parentElement) {
current = current.parentElement;
} else {
var root =
typeof current.getRootNode === "function" ? current.getRootNode() : null;
current = root && root.host ? root.host : null;
}
depth += 1;
}
return false;
}
function getControllerGeometryMount(mount) {
return isShadowRootNode(mount) ? mount.host : mount;
}
function getControllerMount(video, boundary) {
if (!video) return null;
// In fullscreen, mount at the promoted top-layer boundary. The normal size
// heuristic is intentionally skipped: letterboxed/portrait video providers
// can be much smaller than a full-player gesture pane sibling.
if (
boundary &&
boundary !== video &&
typeof boundary.contains === "function" &&
boundary.contains(video)
? boundary
: null;
(boundary === video || isComposedDescendant(video, boundary))
) {
// A VIDEO is a replaced element; author children appended inside it are
// fallback content and are not painted. Direct-media fullscreen uses a
// top-layer popover instead, while this function keeps a renderable DOM
// mount as its ownership/geometry anchor.
if (boundary === video) {
return video.vsc && video.vsc.normalControllerMount
? video.vsc.normalControllerMount
: getControllerMount(video);
}
if (
boundary.shadowRoot &&
isComposedDescendant(video, boundary.shadowRoot)
) {
return boundary.shadowRoot;
}
return boundary;
}
// YouTube's .html5-video-container is often absolutely laid out and can
// report a zero-height box even while its video is visibly playing. The
// surrounding .html5-video-player is the real player/overlay boundary for
// watch pages, Shorts, and hover-preview #inline-preview-player instances.
// Keep every subsequent remount on that canonical boundary; otherwise an
// event-driven ensureController call can undo the constructor's YouTube
// mount and hide the controller in the zero-height inner container.
if (isOnYouTube() && typeof video.closest === "function") {
var youTubePlayerMount = video.closest(".html5-video-player");
if (youTubePlayerMount) return youTubePlayerMount;
}
if (!video.parentElement) {
var directRoot =
typeof video.getRootNode === "function" ? video.getRootNode() : null;
return isShadowRootNode(directRoot) ? directRoot : null;
}
var mountBoundary = null;
var videoRect = video.getBoundingClientRect();
var mount = video.parentElement;
var candidate = mount;
var depth = 0;
// Do not escape the player's immediate local stacking boundary. This is the
// line that keeps a max-z-index overlay below page-level sticky headers.
if (createsControllerStackingContext(mount)) return mount;
// Player click-catchers are often siblings of the video's immediate parent.
// Climb through tightly-sized wrappers so our host shares their stacking
// context, but stop before broad page-layout containers.
@@ -1556,24 +2701,56 @@ function getFullscreenElement(doc) {
function positionControllerHost(wrapper, video, mount) {
if (!wrapper || !video || !mount || !wrapper.isConnected) return;
var geometryMount = getControllerGeometryMount(mount);
if (!geometryMount || typeof geometryMount.getBoundingClientRect !== "function") {
return;
}
var videoRect = video.getBoundingClientRect();
var mountRect = mount.getBoundingClientRect();
if (videoRect.width <= 0 || videoRect.height <= 0) return;
if (wrapper.classList.contains("vsc-fullscreen-popover")) {
if (videoRect.width <= 0 || videoRect.height <= 0) {
wrapper.classList.add("vsc-geometry-hidden");
wrapper.style.setProperty("display", "none", "important");
return;
}
wrapper.classList.remove("vsc-geometry-hidden");
wrapper.style.removeProperty("display");
wrapper.style.setProperty("left", videoRect.left + "px", "important");
wrapper.style.setProperty("top", videoRect.top + "px", "important");
wrapper.style.setProperty("width", videoRect.width + "px", "important");
wrapper.style.setProperty("height", videoRect.height + "px", "important");
return;
}
var mountRect = geometryMount.getBoundingClientRect();
if (
videoRect.width <= 0 ||
videoRect.height <= 0 ||
mountRect.width <= 0 ||
mountRect.height <= 0
) {
wrapper.classList.add("vsc-geometry-hidden");
wrapper.style.setProperty("display", "none", "important");
wrapper.style.setProperty("width", "0px", "important");
wrapper.style.setProperty("height", "0px", "important");
return;
}
wrapper.classList.remove("vsc-geometry-hidden");
wrapper.style.removeProperty("display");
// Convert viewport pixels back into the mount's CSS pixel space. This keeps
// the overlay aligned even when a player or ancestor is scaled.
var mountWidth = mount.offsetWidth || mountRect.width || 1;
var mountHeight = mount.offsetHeight || mountRect.height || 1;
var mountWidth = geometryMount.offsetWidth || mountRect.width || 1;
var mountHeight = geometryMount.offsetHeight || mountRect.height || 1;
var scaleX = mountRect.width > 0 ? mountRect.width / mountWidth : 1;
var scaleY = mountRect.height > 0 ? mountRect.height / mountHeight : 1;
var left =
(videoRect.left - mountRect.left) / scaleX -
(mount.clientLeft || 0) +
(mount.scrollLeft || 0);
(geometryMount.clientLeft || 0) +
(geometryMount.scrollLeft || 0);
var top =
(videoRect.top - mountRect.top) / scaleY -
(mount.clientTop || 0) +
(mount.scrollTop || 0);
(geometryMount.clientTop || 0) +
(geometryMount.scrollTop || 0);
wrapper.style.setProperty("left", left + "px", "important");
wrapper.style.setProperty("top", top + "px", "important");
@@ -1589,57 +2766,127 @@ function positionControllerHost(wrapper, video, mount) {
);
}
function configureControllerAutoHide(videoController, wrapper, force) {
if (!videoController || !wrapper) return;
var signature = JSON.stringify([
tc.settings.hideWithControls === true,
Number(tc.settings.hideWithControlsTimer) || 2
]);
if (force !== true && videoController.autoHideSettingsSignature === signature) {
return;
}
if (videoController.youTubeAutoHideObserver) {
videoController.youTubeAutoHideObserver.disconnect();
videoController.youTubeAutoHideObserver = null;
}
if (videoController.youTubeAutoHideCleanup) {
videoController.youTubeAutoHideCleanup();
videoController.youTubeAutoHideCleanup = null;
}
if (videoController.genericAutoHideCleanup) {
videoController.genericAutoHideCleanup();
videoController.genericAutoHideCleanup = null;
}
wrapper.classList.remove("ytp-autohide", "vsc-idle-hidden");
videoController.autoHideSettingsSignature = signature;
if (!tc.settings.hideWithControls) return;
if (isOnYouTube()) {
videoController.setupYouTubeAutoHide(wrapper);
} else {
videoController.setupGenericAutoHide(wrapper);
}
}
function setupControllerHostTracking(videoController, wrapper, mount) {
if (!videoController || !wrapper || !mount) return;
var doc = videoController.video.ownerDocument;
var win = doc.defaultView || window;
var geometryMount = getControllerGeometryMount(mount);
if (!geometryMount || !geometryMount.style) return;
var frameId = null;
var geometryRetryTimer = null;
var geometryRetryAttempts = 0;
var maxGeometryRetryAttempts = 40;
var update = function() {
frameId = null;
positionControllerHost(wrapper, videoController.video, mount);
// Content scripts run at document_start, so a connected player can still
// report a 0x0 rect while its stylesheet, route, or custom element is
// settling. ResizeObserver normally repairs this, but it is not guaranteed
// to exist (and some players only change ancestor layout). Keep a bounded
// fallback alive long enough for those players instead of leaving the
// inline display:none geometry guard stuck forever.
if (
wrapper.classList.contains("vsc-geometry-hidden") &&
wrapper.isConnected &&
videoController.video.isConnected &&
geometryRetryAttempts < maxGeometryRetryAttempts
) {
geometryRetryAttempts += 1;
if (geometryRetryTimer === null) {
geometryRetryTimer = win.setTimeout(function() {
geometryRetryTimer = null;
schedule();
}, Math.min(500, 25 * geometryRetryAttempts));
}
} else if (!wrapper.classList.contains("vsc-geometry-hidden")) {
geometryRetryAttempts = 0;
if (geometryRetryTimer !== null) {
win.clearTimeout(geometryRetryTimer);
geometryRetryTimer = null;
}
}
};
var schedule = function() {
if (frameId !== null) return;
frameId = win.requestAnimationFrame(update);
};
if (win.getComputedStyle(mount).position === "static") {
mount.dataset.vscPositionOwner = "true";
mount.dataset.vscOriginalPosition = mount.style.getPropertyValue("position");
mount.dataset.vscOriginalPositionPriority =
mount.style.getPropertyPriority("position");
mount.style.setProperty("position", "relative");
if (win.getComputedStyle(geometryMount).position === "static") {
geometryMount.dataset.vscPositionOwner = "true";
geometryMount.dataset.vscOriginalPosition =
geometryMount.style.getPropertyValue("position");
geometryMount.dataset.vscOriginalPositionPriority =
geometryMount.style.getPropertyPriority("position");
geometryMount.dataset.vscAppliedPosition = "relative";
geometryMount.style.setProperty("position", "relative");
}
if (!createsControllerStackingContext(mount)) {
mount.dataset.vscIsolationOwner = "true";
mount.dataset.vscOriginalIsolation =
mount.style.getPropertyValue("isolation");
mount.dataset.vscOriginalIsolationPriority =
mount.style.getPropertyPriority("isolation");
mount.style.setProperty("isolation", "isolate");
if (!createsControllerStackingContext(geometryMount)) {
geometryMount.dataset.vscIsolationOwner = "true";
geometryMount.dataset.vscOriginalIsolation =
geometryMount.style.getPropertyValue("isolation");
geometryMount.dataset.vscOriginalIsolationPriority =
geometryMount.style.getPropertyPriority("isolation");
geometryMount.dataset.vscAppliedIsolation = "isolate";
geometryMount.style.setProperty("isolation", "isolate");
}
var resizeObserver = null;
if (typeof win.ResizeObserver === "function") {
resizeObserver = new win.ResizeObserver(schedule);
resizeObserver.observe(videoController.video);
resizeObserver.observe(mount);
resizeObserver.observe(geometryMount);
}
win.addEventListener("resize", schedule, { passive: true });
doc.addEventListener("fullscreenchange", schedule, { passive: true });
mount.addEventListener("scroll", schedule, { passive: true });
geometryMount.addEventListener("scroll", schedule, { passive: true });
update();
videoController.controllerHostMount = mount;
videoController.controllerHostCleanup = function(forceRestore) {
if (resizeObserver) resizeObserver.disconnect();
if (frameId !== null) win.cancelAnimationFrame(frameId);
if (geometryRetryTimer !== null) win.clearTimeout(geometryRetryTimer);
win.removeEventListener("resize", schedule);
doc.removeEventListener("fullscreenchange", schedule);
mount.removeEventListener("scroll", schedule);
geometryMount.removeEventListener("scroll", schedule);
var hasOtherController = false;
try {
hasOtherController = Array.from(
@@ -1649,42 +2896,58 @@ function setupControllerHostTracking(videoController, wrapper, mount) {
});
} catch (e) {}
if (
mount.dataset.vscPositionOwner === "true" &&
geometryMount.dataset.vscPositionOwner === "true" &&
!hasOtherController &&
(forceRestore === true || !wrapper.isConnected)
) {
if (mount.dataset.vscOriginalPosition) {
mount.style.setProperty(
"position",
mount.dataset.vscOriginalPosition,
mount.dataset.vscOriginalPositionPriority || ""
);
} else {
mount.style.removeProperty("position");
if (
geometryMount.style.getPropertyValue("position") ===
geometryMount.dataset.vscAppliedPosition &&
geometryMount.style.getPropertyPriority("position") === ""
) {
if (geometryMount.dataset.vscOriginalPosition) {
geometryMount.style.setProperty(
"position",
geometryMount.dataset.vscOriginalPosition,
geometryMount.dataset.vscOriginalPositionPriority || ""
);
} else {
geometryMount.style.removeProperty("position");
}
}
delete mount.dataset.vscPositionOwner;
delete mount.dataset.vscOriginalPosition;
delete mount.dataset.vscOriginalPositionPriority;
delete geometryMount.dataset.vscPositionOwner;
delete geometryMount.dataset.vscOriginalPosition;
delete geometryMount.dataset.vscOriginalPositionPriority;
delete geometryMount.dataset.vscAppliedPosition;
}
if (
mount.dataset.vscIsolationOwner === "true" &&
geometryMount.dataset.vscIsolationOwner === "true" &&
!hasOtherController &&
(forceRestore === true || !wrapper.isConnected)
) {
if (mount.dataset.vscOriginalIsolation) {
mount.style.setProperty(
"isolation",
mount.dataset.vscOriginalIsolation,
mount.dataset.vscOriginalIsolationPriority || ""
);
} else {
mount.style.removeProperty("isolation");
if (
geometryMount.style.getPropertyValue("isolation") ===
geometryMount.dataset.vscAppliedIsolation &&
geometryMount.style.getPropertyPriority("isolation") === ""
) {
if (geometryMount.dataset.vscOriginalIsolation) {
geometryMount.style.setProperty(
"isolation",
geometryMount.dataset.vscOriginalIsolation,
geometryMount.dataset.vscOriginalIsolationPriority || ""
);
} else {
geometryMount.style.removeProperty("isolation");
}
}
delete mount.dataset.vscIsolationOwner;
delete mount.dataset.vscOriginalIsolation;
delete mount.dataset.vscOriginalIsolationPriority;
delete geometryMount.dataset.vscIsolationOwner;
delete geometryMount.dataset.vscOriginalIsolation;
delete geometryMount.dataset.vscOriginalIsolationPriority;
delete geometryMount.dataset.vscAppliedIsolation;
}
};
configureControllerAutoHide(videoController, wrapper, true);
}
function remountControllerHost(videoController, mount) {
@@ -1692,22 +2955,96 @@ function remountControllerHost(videoController, mount) {
!videoController ||
!videoController.div ||
!mount ||
!mount.isConnected ||
mount === videoController.controllerHostMount
!(mount.isConnected || (isShadowRootNode(mount) && mount.host.isConnected))
) {
return false;
}
if (
mount === videoController.controllerHostMount &&
videoController.div.isConnected &&
videoController.div.parentNode === mount
) {
// Keep the max-z-index host last among equal-z-index player overlays.
if (videoController.div.nextSibling) {
mount.appendChild(videoController.div);
return true;
}
positionControllerHost(
videoController.div,
videoController.video,
mount
);
return false;
}
if (videoController.controllerHostCleanup) {
videoController.controllerHostCleanup(true);
videoController.controllerHostCleanup = null;
}
mount.insertBefore(videoController.div, mount.firstChild);
mount.appendChild(videoController.div);
setupControllerHostTracking(videoController, videoController.div, mount);
return true;
}
function disableDirectFullscreenPopover(videoController) {
if (!videoController || !videoController.div) return;
var wrapper = videoController.div;
if (
!wrapper.vscFullscreenPopoverOpen &&
!wrapper.classList.contains("vsc-fullscreen-popover")
) {
return;
}
if (typeof wrapper.hidePopover === "function") {
try {
wrapper.hidePopover();
} catch (_error) {}
}
wrapper.vscFullscreenPopoverOpen = false;
wrapper.classList.remove("vsc-fullscreen-popover");
wrapper.removeAttribute("popover");
}
function enableDirectFullscreenPopover(videoController) {
if (!videoController || !videoController.video || !videoController.div) {
return false;
}
var wrapper = videoController.div;
if (typeof wrapper.showPopover !== "function") return false;
var normalMount = videoController.normalControllerMount;
var normalMountIsConnected = Boolean(
normalMount &&
(normalMount.isConnected ||
(isShadowRootNode(normalMount) && normalMount.host.isConnected))
);
if (!normalMountIsConnected) {
normalMount = getControllerMount(videoController.video);
videoController.normalControllerMount = normalMount;
}
if (!normalMount) return false;
if (wrapper.parentNode !== normalMount) {
remountControllerHost(videoController, normalMount);
}
wrapper.setAttribute("popover", "manual");
wrapper.classList.add("vsc-fullscreen-popover");
if (!wrapper.vscFullscreenPopoverOpen) {
try {
wrapper.showPopover();
wrapper.vscFullscreenPopoverOpen = true;
} catch (_error) {
wrapper.classList.remove("vsc-fullscreen-popover");
wrapper.removeAttribute("popover");
return false;
}
}
positionControllerHost(wrapper, videoController.video, normalMount);
return true;
}
function syncControllerFullscreenMount(videoController) {
if (!videoController || !videoController.video || !videoController.div) {
return false;
@@ -1718,11 +3055,16 @@ function syncControllerFullscreenMount(videoController) {
var fullscreenElement = getFullscreenElement(doc);
var targetMount = videoController.normalControllerMount;
if (fullscreenElement === video) {
if (enableDirectFullscreenPopover(videoController)) return true;
} else {
disableDirectFullscreenPopover(videoController);
}
if (
fullscreenElement &&
fullscreenElement !== video &&
typeof fullscreenElement.contains === "function" &&
fullscreenElement.contains(video)
(fullscreenElement === video ||
isComposedDescendant(video, fullscreenElement))
) {
targetMount = getControllerMount(video, fullscreenElement);
} else if (!fullscreenElement && (!targetMount || !targetMount.isConnected)) {
@@ -1745,6 +3087,9 @@ function defineVideoController() {
this.restoreSpeedTimer = null;
this.pendingRateChange = null;
this.speedRestoreUntil = 0;
this.speedVerificationTimer = null;
this.speedVerificationTarget = null;
this.speedVerificationAttempts = 0;
this.subtitleNudgeEnabledOverride = null;
this.suppressedRateChangeCount = 0;
this.suppressedRateChangeUntil = 0;
@@ -1754,19 +3099,28 @@ function defineVideoController() {
this.controllerLocation = normalizeControllerLocation(
tc.settings.controllerLocation
);
this.structureSignature = getControllerStructureSignature();
log(`Creating video controller for ${target.tagName} with src: ${target.src || target.currentSrc || "none"}`, 4);
let storedSpeed = sanitizeSpeed(resolveTargetSpeed(target), 1.0);
this.targetSpeed = storedSpeed;
this.targetSpeedSourceKey = getVideoSourceKey(target);
this.targetSpeedOrigin =
tc.settings.rememberSpeed || tc.settings.forceLastSavedSpeed
? "policy"
: "initial";
this.mediaSourceKey = getVideoSourceKey(target);
if (!tc.settings.rememberSpeed && !tc.settings.forceLastSavedSpeed) {
setKeyBindings("reset", getKeyBindings("fast"));
}
log("Explicitly setting playbackRate to: " + storedSpeed, 5);
target.playbackRate = storedSpeed;
try {
target.playbackRate = storedSpeed;
} catch (error) {
log(`Unable to set initial playbackRate: ${error.message}`, 3);
}
this.div = this.initializeControls();
@@ -1778,6 +3132,33 @@ function defineVideoController() {
log(`Controller created and attached to DOM. Hidden: ${this.div.classList.contains("vsc-hidden")}`, 4);
var mediaEventAction = function(event) {
this.lastActivityAt = Date.now();
if (event.type === "emptied") {
var sourceAvailable = hasUsableMediaSource(event.target);
if (this.div) {
this.div.classList.toggle("vsc-nosource", !sourceAvailable);
}
this.stopSubtitleNudge();
if (!sourceAvailable) {
this.mediaSourceKey = "unknown_src";
this.targetSpeedSourceKey = "unknown_src";
return;
}
applySourceTransitionPolicy(event.target, true);
}
if (event.type === "loadstart") {
if (this.div) {
this.div.classList.toggle(
"vsc-nosource",
!hasUsableMediaSource(event.target)
);
}
if (hasUsableMediaSource(event.target)) {
applySourceTransitionPolicy(event.target, true);
}
}
if (
event.type === "loadedmetadata" ||
event.type === "loadeddata" ||
@@ -1835,6 +3216,14 @@ function defineVideoController() {
}
};
target.addEventListener(
"loadstart",
(this.handleLoadStart = mediaEventAction.bind(this))
);
target.addEventListener(
"emptied",
(this.handleEmptied = mediaEventAction.bind(this))
);
target.addEventListener(
"loadedmetadata",
(this.handleLoadedMetadata = mediaEventAction.bind(this))
@@ -1901,6 +3290,19 @@ function defineVideoController() {
tc.videoController.prototype.remove = function() {
this.stopSubtitleNudge();
disableDirectFullscreenPopover(this);
if (
this.visibilityResumeHandler &&
this.video &&
this.video.ownerDocument
) {
this.video.ownerDocument.removeEventListener(
"visibilitychange",
this.visibilityResumeHandler,
true
);
this.visibilityResumeHandler = null;
}
if (this.youTubeAutoHideObserver) {
this.youTubeAutoHideObserver.disconnect();
this.youTubeAutoHideObserver = null;
@@ -1919,7 +3321,10 @@ function defineVideoController() {
this.controllerHostCleanup = null;
}
if (this.restoreSpeedTimer) clearTimeout(this.restoreSpeedTimer);
clearSpeedVerification(this);
if (this.video) {
this.video.removeEventListener("loadstart", this.handleLoadStart);
this.video.removeEventListener("emptied", this.handleEmptied);
this.video.removeEventListener("loadedmetadata", this.handleLoadedMetadata);
this.video.removeEventListener("loadeddata", this.handleLoadedData);
this.video.removeEventListener("canplay", this.handleCanPlay);
@@ -1986,17 +3391,35 @@ function defineVideoController() {
// Cache values to avoid repeated property access
const targetSpeed = this.targetSpeed;
const nudgeAmount = tc.settings.subtitleNudgeAmount;
const nudgeAmount = Math.min(
0.1,
Math.max(0.000001, Number(tc.settings.subtitleNudgeAmount) || 0.001)
);
// Apply nudge from the stored target speed (not current rate)
this.video.playbackRate = targetSpeed + nudgeAmount;
try {
this.video.playbackRate = targetSpeed + nudgeAmount;
} catch (error) {
tc.isNudging = false;
this.suppressedRateChangeCount = 0;
this.stopSubtitleNudge();
log(`Subtitle nudge failed: ${error.message}`, 3);
return;
}
// Revert synchronously after a microtask to ensure it happens immediately
Promise.resolve().then(() => {
if (this.video && targetSpeed) {
this.video.playbackRate = targetSpeed;
try {
if (this.video && targetSpeed) {
this.video.playbackRate = targetSpeed;
}
} catch (error) {
this.suppressedRateChangeCount = 0;
this.stopSubtitleNudge();
log(`Subtitle nudge restore failed: ${error.message}`, 3);
} finally {
tc.isNudging = false;
}
tc.isNudging = false;
});
// Schedule next nudge
@@ -2039,18 +3462,34 @@ function defineVideoController() {
}
const targetRate = this.targetSpeed || this.video.playbackRate;
const nudgeAmount = tc.settings.subtitleNudgeAmount;
const nudgeAmount = Math.min(
0.1,
Math.max(0.000001, Number(tc.settings.subtitleNudgeAmount) || 0.001)
);
tc.isNudging = true;
suppressNextNudgeRateChanges(this, 2);
this.video.playbackRate = targetRate + nudgeAmount;
try {
this.video.playbackRate = targetRate + nudgeAmount;
} catch (error) {
tc.isNudging = false;
this.suppressedRateChangeCount = 0;
log(`Immediate subtitle nudge failed: ${error.message}`, 3);
return;
}
// Revert synchronously via microtask
Promise.resolve().then(() => {
if (this.video) {
this.video.playbackRate = targetRate;
try {
if (this.video) {
this.video.playbackRate = targetRate;
}
} catch (error) {
this.suppressedRateChangeCount = 0;
log(`Immediate subtitle nudge restore failed: ${error.message}`, 3);
} finally {
tc.isNudging = false;
}
tc.isNudging = false;
});
log(`Immediate nudge performed at rate ${targetRate.toFixed(2)}`, 5);
@@ -2161,7 +3600,9 @@ function defineVideoController() {
// The wrapper covers the player area on most sites due to inject.css styles,
// but we listen on both the video and the wrapper for maximum coverage.
const activityEvents = ["mousemove", "mousedown", "keydown", "touchstart"];
const parentEl = video.parentElement;
const parentEl =
getControllerGeometryMount(this.controllerHostMount) ||
video.parentElement;
activityEvents.forEach((type) => {
video.addEventListener(type, resetTimer, { passive: true });
wrapper.addEventListener(type, resetTimer, { passive: true });
@@ -2318,21 +3759,17 @@ function defineVideoController() {
controller.addEventListener("click", (e) => e.stopPropagation(), false);
controller.addEventListener("mousedown", (e) => e.stopPropagation(), false);
// Setup auto-hide observers if enabled
if (tc.settings.hideWithControls) {
if (isOnYouTube()) {
this.setupYouTubeAutoHide(wrapper);
} else {
this.setupGenericAutoHide(wrapper);
}
}
const parentEl = this.parent || this.video.parentElement;
const parentEl =
this.parent || this.video.parentElement || this.video.parentNode;
var mountEl = getControllerMount(this.video) || parentEl;
log(`Inserting controller: parentEl=${!!parentEl}, parentNode=${!!parentEl?.parentNode}, hostname=${location.hostname}`, 4);
log(`Inserting controller: parentEl=${!!parentEl}, hostname=${location.hostname}`, 4);
if (!parentEl || !parentEl.parentNode) {
if (
!mountEl ||
!(mountEl.isConnected ||
(isShadowRootNode(mountEl) && mountEl.host.isConnected))
) {
log("No suitable parent found, appending to body", 4);
doc.body.appendChild(wrapper);
this.normalControllerMount = doc.body;
@@ -2366,10 +3803,12 @@ function defineVideoController() {
case location.hostname === "www.youtube.com":
case location.hostname === "m.youtube.com":
case location.hostname === "music.youtube.com":
mountEl = parentEl.closest(".html5-video-player") || mountEl;
mountEl =
(parentEl.closest && parentEl.closest(".html5-video-player")) ||
mountEl;
break;
}
mountEl.insertBefore(wrapper, mountEl.firstChild);
mountEl.appendChild(wrapper);
this.normalControllerMount = mountEl;
setupControllerHostTracking(this, wrapper, mountEl);
log("Controller successfully inserted into DOM", 4);
@@ -2386,18 +3825,31 @@ function defineVideoController() {
}
function applySiteRuleOverrides() {
var wasForceEnabled = tc.settings.forceLastSavedSpeed === true;
var wasRememberEnabled = tc.settings.rememberSpeed === true;
function finishSiteRuleApplication(result) {
if (
(wasForceEnabled && !tc.settings.forceLastSavedSpeed) ||
(wasRememberEnabled && !tc.settings.rememberSpeed)
) {
clearAllSpeedRestoreEnforcement();
}
return result;
}
resetSettingsFromSiteRuleBase();
tc.activeSiteRule = null;
if (!Array.isArray(tc.settings.siteRules) || tc.settings.siteRules.length === 0) {
return false;
return finishSiteRuleApplication(false);
}
var currentUrl = location.href;
var matchedRule = siteRuleUtils.matchSiteRule(currentUrl, tc.settings.siteRules);
if (!matchedRule) {
return false;
return finishSiteRuleApplication(false);
}
tc.activeSiteRule = matchedRule;
@@ -2406,7 +3858,7 @@ function applySiteRuleOverrides() {
// Check if extension should be enabled/disabled on this site
if (siteRuleUtils.isSiteRuleDisabled(matchedRule)) {
log(`Extension disabled for site: ${currentUrl}`, 4);
return true;
return finishSiteRuleApplication(true);
}
// Override general settings with site-specific overrides
@@ -2421,6 +3873,7 @@ function applySiteRuleOverrides() {
"controllerOpacity",
"controllerMarginTop",
"controllerMarginBottom",
"shortcutTargetMode",
"enableSubtitleNudge",
"subtitleNudgeEnabledByDefault",
"subtitleNudgeInterval"
@@ -2462,7 +3915,16 @@ function applySiteRuleOverrides() {
);
}
return false;
return finishSiteRuleApplication(false);
}
function removeIneligibleMediaControllers() {
if (tc.settings.audioBoolean) return;
tc.mediaElements.slice().forEach(function(media) {
if (media && media.nodeName === "AUDIO") {
removeController(media);
}
});
}
/** Apply current tc.settings controller layout/opacity to every attached controller (after site rules). */
@@ -2474,6 +3936,7 @@ function refreshAllControllerGeometry() {
if (controllerEl) {
controllerEl.style.opacity = String(tc.settings.controllerOpacity);
}
configureControllerAutoHide(video.vsc, video.vsc.div, false);
});
}
@@ -2481,9 +3944,32 @@ function refreshAllControllerGeometry() {
function reapplySiteRulesAndControllerGeometry() {
applySiteRuleOverrides();
if (!siteRuleUtils.isSpeederActiveForSite(tc.settings.enabled, tc.activeSiteRule)) {
return;
tc.mediaElements.slice().forEach(function(video) {
removeController(video);
});
return false;
}
removeIneligibleMediaControllers();
refreshAllControllerGeometry();
return true;
}
function applyRememberedSpeedPolicy(video) {
if (!video || !video.vsc) return false;
var rememberedSpeed = getRememberedSpeed(video);
if (!isValidSpeed(rememberedSpeed)) return false;
video.vsc.targetSpeed = rememberedSpeed;
video.vsc.targetSpeedSourceKey = getVideoSourceKey(video);
video.vsc.targetSpeedOrigin = "policy";
if (video.vsc.speedIndicator) {
video.vsc.speedIndicator.textContent = rememberedSpeed.toFixed(2);
}
extendSpeedRestoreWindow(video);
if (Math.abs(video.playbackRate - rememberedSpeed) > 0.01) {
setSpeed(video, rememberedSpeed, false, false);
}
return true;
}
function shouldPreserveDesiredSpeed(video, speed) {
@@ -2493,8 +3979,13 @@ function shouldPreserveDesiredSpeed(video, speed) {
return false;
}
var preservesPausedTarget =
video.paused === true &&
(video.vsc.targetSpeedOrigin === "user" ||
video.vsc.targetSpeedOrigin === "policy");
return (
video.paused === true ||
preservesPausedTarget ||
(typeof video.vsc.speedRestoreUntil === "number" &&
video.vsc.speedRestoreUntil > Date.now())
);
@@ -2504,21 +3995,30 @@ function setupListener(root) {
root = root || document;
if (root.vscRateListenerAttached) return;
function updateSpeedFromEvent(video, skipResetDisarm) {
function updateSpeedFromEvent(video, options) {
if (!video.vsc || !video.vsc.speedIndicator) return;
if (!skipResetDisarm) {
var config = options || {};
if (config.skipResetDisarm !== true) {
video.vsc.resetToggleArmed = false;
}
var speed = video.playbackRate; // Preserve full precision (e.g. 0.0625)
video.vsc.speedIndicator.textContent = speed.toFixed(2);
video.vsc.targetSpeed = speed;
video.vsc.targetSpeedSourceKey = getVideoSourceKey(video);
var sourceKey = getVideoSourceKey(video);
if (sourceKey !== "unknown_src") {
tc.settings.speeds[sourceKey] = speed;
// A native ratechange has no trustworthy user-origin signal; sites emit the
// same event when they clamp/reset speed. Durable intent is recorded only
// by explicit Speeder actions (which pass shouldPersist).
var shouldPersist = config.shouldPersist === true;
if (config.preserveTargetOrigin !== true) {
video.vsc.targetSpeedOrigin = shouldPersist ? "user" : "external";
}
tc.settings.lastSpeed = speed;
schedulePersistLastSpeed(speed);
if (shouldPersist) {
rememberSourceSpeed(video, speed);
tc.settings.lastSpeed = speed;
schedulePersistLastSpeed(speed);
}
if (video.vsc) {
if (speed === 1.0 || video.paused) video.vsc.stopSubtitleNudge();
else video.vsc.startSubtitleNudge();
@@ -2533,21 +4033,36 @@ function setupListener(root) {
if (!video || typeof video.playbackRate === "undefined" || !video.vsc)
return;
if (shouldIgnoreSuppressedRateChange(video)) return;
var currentSpeed = video.playbackRate; // Preserve full precision (e.g. 0.0625)
var pendingRateChange = takePendingRateChange(video, currentSpeed);
if (tc.settings.forceLastSavedSpeed) {
if (event.detail && event.detail.origin === "videoSpeed") {
video.playbackRate = event.detail.speed;
updateSpeedFromEvent(video, true);
if (pendingRateChange) {
updateSpeedFromEvent(video, {
skipResetDisarm: true,
shouldPersist: pendingRateChange.shouldPersist === true,
preserveTargetOrigin: true
});
} else {
video.playbackRate = sanitizeSpeed(tc.settings.lastSpeed, 1.0);
var forcedSpeed = sanitizeSpeed(tc.settings.lastSpeed, 1.0);
if (Math.abs(currentSpeed - forcedSpeed) > 0.001) {
setSpeed(video, forcedSpeed, false, false);
} else {
updateSpeedFromEvent(video, {
shouldPersist: false,
preserveTargetOrigin: true
});
}
}
event.stopImmediatePropagation();
} else {
var currentSpeed = video.playbackRate; // Preserve full precision (e.g. 0.0625)
var desiredSpeed = getDesiredSpeed(video);
var pendingRateChange = takePendingRateChange(video, currentSpeed);
if (pendingRateChange) {
updateSpeedFromEvent(video, true);
updateSpeedFromEvent(video, {
skipResetDisarm: true,
shouldPersist: pendingRateChange.shouldPersist === true,
preserveTargetOrigin: true
});
return;
}
@@ -2562,7 +4077,7 @@ function setupListener(root) {
return;
}
updateSpeedFromEvent(video);
updateSpeedFromEvent(video, { shouldPersist: false });
}
},
true
@@ -2631,11 +4146,9 @@ function inIframe() {
}
function attachKeydownListeners(doc) {
// Content scripts already run in every frame. Keeping each listener scoped
// to its own document avoids duplicate shortcuts and stale iframe ownership.
var docs = [doc];
try {
if (inIframe() && window.top.document !== doc) docs.push(window.top.document);
} catch (e) {
}
docs.forEach(function(keyDoc) {
if (keyDoc.vscKeydownListenerAttached) return;
@@ -2662,6 +4175,15 @@ function attachKeydownListeners(doc) {
return;
}
if (
!siteRuleUtils.isSpeederActiveForSite(
tc.settings.enabled,
tc.activeSiteRule
)
) {
return;
}
if (!tc.mediaElements.length) return;
var item = tc.settings.keyBindings.find(function(binding) {
@@ -2671,10 +4193,13 @@ function attachKeydownListeners(doc) {
if (item) {
runAction(item.action, item.value, event);
// Always prevent default and stop propagation for Speeder shortcuts
// to prevent the website (e.g. YouTube) from reacting to these keys.
event.preventDefault();
event.stopPropagation();
// The per-site "Block site from capturing keypress" option owns
// propagation. Speeder still runs unblocked shortcuts, but the page
// can receive them too when the user left that option off.
if (item.force === true || item.force === "true") {
event.preventDefault();
event.stopImmediatePropagation();
}
}
},
true
@@ -2683,6 +4208,25 @@ function attachKeydownListeners(doc) {
});
}
function attachMediaTargetTracking(doc) {
if (!doc || doc.vscMediaTargetTrackingAttached) return;
doc.addEventListener(
"mousemove",
function(event) {
if (!Number.isFinite(event.clientX) || !Number.isFinite(event.clientY)) {
return;
}
tc.lastPointerPosition = {
document: doc,
x: event.clientX,
y: event.clientY
};
},
{ capture: true, passive: true }
);
doc.vscMediaTargetTrackingAttached = true;
}
function attachMutationObserver(root) {
if (root.vscMutationObserverAttached) return;
@@ -2709,6 +4253,15 @@ function attachMutationObserver(root) {
if (node.nodeType !== Node.ELEMENT_NODE) return;
scanNodeForMedia(node, node.parentNode || mutation.target, false);
});
// Player gesture/click panes are frequently inserted after the
// video. Keep equal-z-index controller hosts last, and repair a
// host that the site removed independently of its media element.
tc.mediaElements.slice().forEach(function(video) {
if (!video || !video.vsc || !video.vsc.div) return;
if (video.vsc.controllerHostMount !== mutation.target) return;
remountControllerHost(video.vsc, mutation.target);
});
return;
}
@@ -2745,6 +4298,15 @@ function attachMutationObserver(root) {
);
}
});
// Document selectors do not cross shadow boundaries. A detached
// custom-element host can therefore hide connected-looking media from
// the removed subtree scan; prune by composed connectivity as a final
// reconciliation step for every mutation batch.
tc.mediaElements.slice().forEach(function(video) {
if (!video || video.isConnected) return;
removeController(video);
});
},
{ timeout: 1000 }
);
@@ -2782,54 +4344,40 @@ function attachMediaDetectionListeners(root) {
root.vscMediaEventListenersAttached = true;
}
function attachIframeListeners(doc) {
Array.from(doc.getElementsByTagName("iframe")).forEach(function(frame) {
if (!frame.vscLoadListenerAttached) {
frame.addEventListener("load", function() {
try {
if (frame.contentDocument) {
initializeWhenReady(frame.contentDocument, true);
}
} catch (e) {
}
});
frame.vscLoadListenerAttached = true;
}
try {
if (frame.contentDocument) {
initializeWhenReady(frame.contentDocument);
}
} catch (e) {
}
});
function scheduleNavigationRescan() {
window.vscLastObservedHref = location.href;
clearTimeout(window.vscNavigationRescanTimer);
window.vscNavigationRescanTimer = setTimeout(function() {
initializeWhenReady(document, true);
}, 300);
}
function attachNavigationListeners() {
if (window.vscNavigationListenersAttached) return;
var scheduleRescan = function() {
clearTimeout(window.vscNavigationRescanTimer);
window.vscNavigationRescanTimer = setTimeout(function() {
initializeWhenReady(document, true);
}, 300);
};
["pushState", "replaceState"].forEach(function(method) {
if (typeof history[method] !== "function") return;
var original = history[method];
history[method] = function() {
var result = original.apply(this, arguments);
scheduleRescan();
scheduleNavigationRescan();
return result;
};
});
window.addEventListener("popstate", scheduleRescan);
window.addEventListener("hashchange", scheduleRescan);
window.addEventListener("popstate", scheduleNavigationRescan);
window.addEventListener("hashchange", scheduleNavigationRescan);
/* YouTube often navigates without a history API call the extension can see first */
if (typeof document !== "undefined" && isOnYouTube()) {
document.addEventListener("yt-navigate-finish", scheduleRescan);
document.addEventListener("yt-navigate-finish", scheduleNavigationRescan);
}
window.vscLastObservedHref = location.href;
if (!window.vscLocationWatchTimer) {
window.vscLocationWatchTimer = setInterval(function() {
if (window.vscLastObservedHref !== location.href) {
scheduleNavigationRescan();
}
}, 1000);
}
window.vscNavigationListenersAttached = true;
}
@@ -2837,35 +4385,47 @@ function attachNavigationListeners() {
function initializeNow(doc, forceReinit = false) {
if ((!forceReinit && vscInitializedDocuments.has(doc)) || !doc.body) return;
// Navigation must remain observable even while this URL is disabled, or a
// later whitelisted SPA route can never reactivate the extension.
attachNavigationListeners();
if (typeof tc.videoController === "undefined") defineVideoController();
applySiteRuleOverrides();
if (!siteRuleUtils.isSpeederActiveForSite(tc.settings.enabled, tc.activeSiteRule)) {
var isActive = siteRuleUtils.isSpeederActiveForSite(
tc.settings.enabled,
tc.activeSiteRule
);
// Keep observing while inactive so dynamically-created media/shadow roots
// are available to the next forced SPA rescan, but remove stale controls.
observeRoot(doc);
if (!isActive) {
tc.mediaElements.slice().forEach(function(video) {
removeController(video);
});
vscInitializedDocuments.add(doc);
return;
}
removeIneligibleMediaControllers();
if (!doc.body.classList.contains("vsc-initialized")) {
doc.body.classList.add("vsc-initialized");
}
if (typeof tc.videoController === "undefined") defineVideoController();
attachKeydownListeners(doc);
attachNavigationListeners();
observeRoot(doc);
attachMediaTargetTracking(doc);
// Delayed rescan to catch custom elements whose shadow roots were created
// before our attachShadow patch was installed (e.g. archive.org's <play-av>
// Lit component, or any site that lazily creates shadow DOM video players).
// Bounded fallback scans catch open page-world roots if a site's CSP blocked
// the bridge script. The event bridge handles the normal ongoing path.
if (!doc.vscDelayedShadowScanDone) {
doc.vscDelayedShadowScanDone = true;
setTimeout(function() {
if (!doc.body) return;
try {
var els = doc.body.querySelectorAll("*");
for (var i = 0; i < els.length; i++) {
if (els[i].shadowRoot && !vscObservedRoots.has(els[i].shadowRoot)) {
observeRoot(els[i].shadowRoot);
}
}
} catch (e) {}
}, 3000);
[3000, 10000, 30000].forEach(function(delay) {
setTimeout(function() {
if (!doc.body) return;
try {
rescanOpenShadowRoots(doc);
} catch (e) {}
}, delay);
});
}
if (forceReinit) {
@@ -2873,10 +4433,15 @@ function initializeNow(doc, forceReinit = false) {
// A root is normally scanned only once. A user-requested rescan must also
// revisit media that was present but source-less during the initial scan.
scanRootForMedia(doc);
rescanOpenShadowRoots(doc);
refreshAllControllerGeometry();
if (tc.settings.rememberSpeed || tc.settings.forceLastSavedSpeed) {
tc.mediaElements.slice().forEach(applyRememberedSpeedPolicy);
}
}
vscInitializedDocuments.add(doc);
flushPendingMediaCandidates();
}
function setSpeed(
@@ -2906,12 +4471,20 @@ function setSpeed(
`setSpeed: Target ${numericSpeed.toFixed(2)}. Initial: ${isInitialCall}. UserKeyPress: ${isUserKeyPress}`,
4
);
tc.settings.lastSpeed = numericSpeed;
video.vsc.speedIndicator.textContent = numericSpeed.toFixed(2);
if (isUserKeyPress) {
tc.settings.lastSpeed = numericSpeed;
rememberSourceSpeed(video, numericSpeed);
schedulePersistLastSpeed(numericSpeed);
}
// Update the target speed for nudge so it knows what to revert to
video.vsc.targetSpeed = numericSpeed;
video.vsc.targetSpeedSourceKey = getVideoSourceKey(video);
if (isUserKeyPress) {
video.vsc.targetSpeedOrigin = "user";
}
if (isUserKeyPress && !isInitialCall && video.vsc && video.vsc.div) {
runAction("blink", 1000, null, video); // Pass video to blink
@@ -2920,25 +4493,35 @@ function setSpeed(
// Try YouTube's native speed API first — keeps subtitles in sync without nudge
var usedNativeSpeed = false;
if (tc.settings.forceLastSavedSpeed) {
video.dispatchEvent(
new CustomEvent("ratechange", {
detail: {
origin: "videoSpeed",
speed: numericSpeed.toFixed(2),
fromUserInput: isUserKeyPress
}
})
);
} else {
if (Math.abs(video.playbackRate - numericSpeed) > 0.001) {
rememberPendingRateChange(video, numericSpeed);
if (Math.abs(video.playbackRate - numericSpeed) > 0.001) {
rememberPendingRateChange(video, numericSpeed, isUserKeyPress);
if (!tc.settings.forceLastSavedSpeed) {
usedNativeSpeed = tryYouTubeNativeSpeed(video, numericSpeed);
if (!usedNativeSpeed) {
}
if (!usedNativeSpeed) {
try {
video.playbackRate = numericSpeed;
} catch (error) {
if (video.vsc) video.vsc.pendingRateChange = null;
log(`Unable to set playbackRate to ${numericSpeed}: ${error.message}`, 2);
if (
tc.settings.forceLastSavedSpeed ||
(tc.settings.rememberSpeed && video.vsc.targetSpeedOrigin === "policy") ||
Number(video.vsc.speedRestoreUntil) > Date.now()
) {
scheduleSpeedVerification(video, numericSpeed, true);
}
return false;
}
}
}
if (
tc.settings.forceLastSavedSpeed ||
(tc.settings.rememberSpeed && video.vsc.targetSpeedOrigin === "policy") ||
Number(video.vsc.speedRestoreUntil) > Date.now()
) {
scheduleSpeedVerification(video, numericSpeed, true);
}
if (video.vsc) {
if (numericSpeed === 1.0 || video.paused) {
video.vsc.stopSubtitleNudge();
@@ -2949,33 +4532,109 @@ function setSpeed(
video.vsc.startSubtitleNudge();
}
}
return true;
}
function getMediaFromControllerEvent(event, candidates) {
if (!event || !event.target || !event.target.getRootNode) return null;
var root = event.target.getRootNode();
var controllerHost = root && root.host;
if (!controllerHost) return null;
return candidates.find(function(video) {
return video.vsc && video.vsc.div === controllerHost;
}) || null;
}
function distanceSquaredToRect(x, y, rect) {
if (!rect) return Infinity;
var dx = x < rect.left ? rect.left - x : x > rect.right ? x - rect.right : 0;
var dy = y < rect.top ? rect.top - y : y > rect.bottom ? y - rect.bottom : 0;
return dx * dx + dy * dy;
}
function getClosestMediaToPointer(candidates, pointerPosition) {
if (!pointerPosition || !Array.isArray(candidates)) return null;
var best = null;
var bestDistance = Infinity;
candidates.forEach(function(video) {
if (!video || !video.vsc || !video.isConnected) return;
var target = getControllerElement(video.vsc) || video;
var rect = null;
try {
rect = target.getBoundingClientRect();
if (!rect || rect.width <= 0 || rect.height <= 0) {
rect = video.getBoundingClientRect();
}
} catch (_error) {
return;
}
if (!rect || rect.width <= 0 || rect.height <= 0) return;
var distance = distanceSquaredToRect(
pointerPosition.x,
pointerPosition.y,
rect
);
if (distance < bestDistance) {
best = video;
bestDistance = distance;
}
});
return best;
}
function resolveActionMediaTargets(event, specificVideo) {
if (specificVideo && specificVideo.vsc) return [specificVideo];
var docContext =
event && event.target && event.target.ownerDocument
? event.target.ownerDocument
: document;
var candidates = tc.mediaElements.filter(function(video) {
return Boolean(
video &&
video.vsc &&
video.isConnected &&
video.ownerDocument === docContext
);
});
if (candidates.length <= 1) return candidates;
var controllerMedia = getMediaFromControllerEvent(event, candidates);
if (controllerMedia) {
tc.lastInteractedMedia = controllerMedia;
return [controllerMedia];
}
if (tc.settings.shortcutTargetMode === "all") return candidates;
var pointer =
tc.lastPointerPosition && tc.lastPointerPosition.document === docContext
? tc.lastPointerPosition
: null;
var closest = getClosestMediaToPointer(candidates, pointer);
if (closest) {
tc.lastInteractedMedia = closest;
return [closest];
}
if (
tc.lastInteractedMedia &&
candidates.indexOf(tc.lastInteractedMedia) !== -1
) {
return [tc.lastInteractedMedia];
}
var primary = getPrimaryVideoElement(candidates);
return primary ? [primary] : [];
}
function runAction(action, value, e) {
log("runAction Begin", 5);
var mediaTagsToProcess;
const specificVideo = arguments[3] || null;
var subtitleNudgeToggleValue = null;
if (specificVideo) {
mediaTagsToProcess = [specificVideo];
} else if (e && e.target && e.target.getRootNode) {
// Event-driven action
const docContext = e.target.ownerDocument || document;
mediaTagsToProcess = tc.mediaElements.filter(
(v) => v.ownerDocument === docContext
);
const targetController = e.target.getRootNode().host;
if (targetController) {
// If it's a click on a controller, only use that one video
const videoFromController = tc.mediaElements.find(
(v) => v.vsc && v.vsc.div === targetController
);
if (videoFromController) mediaTagsToProcess = [videoFromController];
}
} else {
mediaTagsToProcess = tc.mediaElements;
}
var mediaTagsToProcess = resolveActionMediaTargets(e, specificVideo);
if (action === "settings") {
chrome.runtime.sendMessage({ action: "openOptions" });
return;
@@ -3021,7 +4680,11 @@ function runAction(action, value, e) {
showController(controller, 2000, true);
}
if (v.classList.contains("vsc-cancelled")) return;
const numValue = parseFloat(value);
const numValue = keyBindingUtils.sanitizeActionValue(
action,
value,
getKeyBindings(action, "value")
);
switch (action) {
case "rewind":
isUserSeek = true;
@@ -3057,8 +4720,12 @@ function runAction(action, value, e) {
case "fast":
var preferredSpeed = numValue;
// Apply site-specific preferred speed override if available
if (tc.activeSiteRule && typeof tc.activeSiteRule.preferredSpeed === "number") {
preferredSpeed = tc.activeSiteRule.preferredSpeed;
if (tc.activeSiteRule && tc.activeSiteRule.preferredSpeed !== undefined) {
preferredSpeed = keyBindingUtils.sanitizeActionValue(
"fast",
tc.activeSiteRule.preferredSpeed,
preferredSpeed
);
}
resetSpeed(v, preferredSpeed, true);
break;
@@ -3250,13 +4917,20 @@ function handleDrag(video, e) {
const c = video.vsc.div;
const sC = convertControllerToManualPosition(video.vsc);
if (!sC) return;
var pE = c.parentElement;
var pE =
getControllerGeometryMount(video.vsc.controllerHostMount) ||
c.parentElement ||
(c.parentNode && c.parentNode.host);
if (!pE || typeof pE.addEventListener !== "function") return;
var nextParent = pE.parentElement;
while (
pE.parentNode &&
pE.parentNode.offsetHeight === pE.offsetHeight &&
pE.parentNode.offsetWidth === pE.offsetWidth
)
pE = pE.parentNode;
nextParent &&
nextParent.offsetHeight === pE.offsetHeight &&
nextParent.offsetWidth === pE.offsetWidth
) {
pE = nextParent;
nextParent = pE.parentElement;
}
video.classList.add("vcs-dragging");
sC.classList.add("dragging");
const iXY = [e.clientX, e.clientY],