Function keyDownHandler

scripts/insta_injectDownloadBtn.js:106–150

(event)

        document.addEventListener("keydown", keyDownHandler);

        function keyDownHandler(event) {
          if (window.location.href === "https://www.instagram.com/") return;

          const mockEventTemplate = {
            stopPropagation: function () {},
            preventDefault: function () {},
          };

          if (event.altKey && (event.code === "KeyK" || event.key == "k")) {
            let buttons = document.getElementsByClassName("download-btn");
            if (buttons.length > 0) {
              let mockEvent = { ...mockEventTemplate };
              mockEvent.currentTarget = buttons[buttons.length - 1];
              if (prefetchAndAttachLink || hoverToFetchAndAttachLink)
                onMouseInHandler(mockEvent);
              onClickHandler(mockEvent);
            }
          }
          if (event.altKey && (event.code === "KeyI" || event.key == "i")) {
            let buttons = document.getElementsByClassName("newtab-btn");
            if (buttons.length > 0) {
              let mockEvent = { ...mockEventTemplate };
              mockEvent.currentTarget = buttons[buttons.length - 1];
              if (prefetchAndAttachLink || hoverToFetchAndAttachLink)
                onMouseInHandler(mockEvent);
              onClickHandler(mockEvent);
            }
          }

          if (event.altKey && (event.code === "KeyL" || event.key == "l")) {
            // right arrow
            let buttons = document.getElementsByClassName("_9zm2");
            if (buttons.length > 0) {
              buttons[0].click();
            }
          }

          if (event.altKey && (event.code === "KeyJ" || event.key == "j")) {
            // left arrow
            let buttons = document.getElementsByClassName("_9zm0");
            if (buttons.length > 0) {
              buttons[0].click();
            }
          }
        }

        function isPostPage() {
          return Boolean(window.location.href.match(postUrlPattern));