Allow not counting time in private tabs

Closes https://github.com/ajayyy/SponsorBlock/issues/703

src/config.ts

@@ -21,6 +21,7 @@ interface SBConfig {
     showTimeWithSkips: boolean,
     disableSkipping: boolean,
     trackViewCount: boolean,
+    trackViewCountInPrivate: boolean,
     dontShowNotice: boolean,
     hideVideoPlayerControls: boolean,
     hideInfoButtonPlayerControls: boolean,
@@ -154,6 +155,7 @@ const Config: SBObject = {
         showTimeWithSkips: true,
         disableSkipping: false,
         trackViewCount: true,
+        trackViewCountInPrivate: true,
         dontShowNotice: false,
         hideVideoPlayerControls: false,
         hideInfoButtonPlayerControls: false,

src/content.ts

@@ -987,8 +987,8 @@ function previewTime(time: number, unpause = true) {
 
 //send telemetry and count skip
 function sendTelemetryAndCount(skippingSegments: SponsorTime[], secondsSkipped: number, fullSkip: boolean) {
-    if (!Config.config.trackViewCount) return;
-    
+    if (!Config.config.trackViewCount || (!Config.config.trackViewCountInPrivate && chrome.extension.inIncognitoContext)) return;
+
     let counted = false;
     for (const segment of skippingSegments) {
         const index = sponsorTimes.indexOf(segment);

src/options.ts

@@ -31,6 +31,11 @@ async function init() {
     const optionsElements = optionsContainer.querySelectorAll("*");
 
     for (let i = 0; i < optionsElements.length; i++) {
+        if (optionsElements[i].getAttribute("private-mode-only") === "true" && !(await isIncognitoAllowed())) {
+            optionsElements[i].classList.add("hidden");
+            continue;
+        }
+
         switch (optionsElements[i].getAttribute("option-type")) {
             case "toggle": {
                 const option = optionsElements[i].getAttribute("sync-option");
@@ -540,3 +545,7 @@ function copyDebugOutputToClipboard() {
         alert(chrome.i18n.getMessage("copyDebugInformationFailed"));
       });
 }
+
+function isIncognitoAllowed(): Promise<boolean> {
+    return new Promise((resolve) => chrome.extension.isAllowedIncognitoAccess(resolve));
+}