background.js

chrome.tabs.onActivated.addListener(async (activeInfo) => {
  const tabs = await chrome.tabs.query({});
  for (const tab of tabs) {
    if (tab.url && tab.url.includes("youtube.com/watch")) {
      try {
        chrome.storage.sync.get(["extensionEnabled", "autoPiPEnabled", "closePiPOnReturnEnabled"], (data) => {
          const extensionEnabled = data.extensionEnabled ?? true;
          const autoPiPEnabled = data.autoPiPEnabled ?? false;
          const closePiPOnReturnEnabled = data.closePiPOnReturnEnabled ?? false;
          const tabBool = (tab.id === activeInfo.tabId);

          // If the extension is disabled, do nothing
          if (!extensionEnabled) return;

          // If the extension is enabled, execute the script
          if (autoPiPEnabled || closePiPOnReturnEnabled) {
            chrome.scripting.executeScript({
              target: { tabId: tab.id },
              func: (autoPiPEnabled, closePiPOnReturnEnabled, tabBool) => {
                if (autoPiPEnabled && !tabBool) {
                  var PipEnablerEvent;  
                  if (!PipEnablerEvent){
                    PipEnablerEvent = () => {
                      // window.focus();
                      console.log("heell0")
                      const video = document.querySelector("video");
                      if ((video) && (document.pictureInPictureElement !== video) && (!video.paused)) {
                        video.requestPictureInPicture().catch(console.error);
                      }
                    }
                    window.onblur = PipEnablerEvent;
                  }
                  PipEnablerEvent();
                }
                if (closePiPOnReturnEnabled && tabBool) {
                  var PipDisablerEvent;
                  if (!PipDisablerEvent){
                    PipDisablerEvent = () => {
                      window.focus();
                      if (document.pictureInPictureElement) {
                          document.exitPictureInPicture().catch(console.error);
                      }
                    }
                    window.onfocus = PipDisablerEvent;
                  }
                  PipDisablerEvent();
                }
              },
              args: [autoPiPEnabled, closePiPOnReturnEnabled, tabBool]
            });
          }
        });
      } catch (error) {
        console.error("Error executing script:", error);
      }
    }
  }
});