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FIX: use correct iframe selector and defer init until Docs is ready #17

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FIX: use correct iframe selector and defer init until Docs is ready #17

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34 changes: 23 additions & 11 deletions content.js
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Original file line number Diff line number Diff line change
Expand Up @@ -9,10 +9,7 @@
// before sending to layout engine and interpret them into respective vim motion/command.
// Then implement those motions by sending relevant keystrokes. Essentially doing a keystroke to keystroke remapping.

const iframe = document.getElementsByTagName('iframe')[0] // https://stackoverflow.com/a/4388829
iframe.contentDocument.addEventListener('keydown', eventHandler, true)

const cursorTop = document.getElementsByClassName("kix-cursor-top")[0] // element to edit to show normal vs insert mode
let cursorTop = null
let mode = 'normal'
let tempnormal = false // State variable for indicating temperory normal mode
let multipleMotion = {
Expand Down Expand Up @@ -124,16 +121,19 @@ function switchModeToNormal() {
mode = 'normal'
updateModeIndicator(mode)

//caret indicating visual mode
cursorTop.style.opacity = 1
cursorTop.style.display = "block"
cursorTop.style.backgroundColor = "black"
cursorTop = cursorTop || document.getElementsByClassName("kix-cursor-top")[0]
if (cursorTop) {
cursorTop.style.opacity = 1
cursorTop.style.display = "block"
cursorTop.style.backgroundColor = "black"
}
}

function switchModeToInsert() {
mode = 'insert'
updateModeIndicator(mode)
cursorTop.style.opacity = 0
cursorTop = cursorTop || document.getElementsByClassName("kix-cursor-top")[0]
if (cursorTop) cursorTop.style.opacity = 0
}

function switchModeToWait() {
Expand Down Expand Up @@ -685,5 +685,17 @@ function activateTopLevelMenu(menuCaption) {
simulateClick(button);
}

// Initiate to Normal Mode
switchModeToNormal()
function initialize() {
const iframe = document.querySelector('.docs-texteventtarget-iframe')
if (!iframe || !iframe.contentDocument) return false
iframe.contentDocument.addEventListener('keydown', eventHandler, true)
switchModeToNormal()
return true
}

if (!initialize()) {
const observer = new MutationObserver(() => {
if (initialize()) observer.disconnect()
})
observer.observe(document.documentElement, { childList: true, subtree: true })
}