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function changeScreen(id) {
for (const screen of document.getElementsByClassName('screen')) {
if (screen.id === id) {
screen.classList.add('visible');
} else {
screen.classList.remove('visible');
}
}
}
function loadTrackList(opts) {
const {hostname, siteSettings} = opts;
const site = siteSettings[hostname] || [];
return browser.storage.sync.get('tracks').then(({tracks = []}) => {
const ul = document.getElementById('track-list');
while (ul.firstChild) {
ul.removeChild(ul.firstChild);
}
tracks.sort();
for (const track of tracks) {
const li = document.createElement('li');
ul.appendChild(li);
li.classList.add('track');
const label = document.createElement('label');
li.appendChild(label);
const checkbox = document.createElement('input');
label.appendChild(checkbox);
checkbox.type = 'checkbox';
checkbox.checked = site.includes(track);
checkbox.title = `Toggles whether the track "${track}" will play when this site is opened.`
checkbox.addEventListener('click', () => {
if (checkbox.checked) {
if (!site.includes(track)) {
site.push(track);
}
} else {
if (site.includes(track)) {
site.splice(site.indexOf(track), 1);
}
}
if (!siteSettings[hostname]) {
siteSettings[hostname] = site;
}
disableButton.style.display = 'inline-block';
browser.storage.sync.set({siteSettings})
.then(() => browser.runtime.sendMessage({hostname}));
});
label.appendChild(document.createTextNode(' ' + track));
const deleteButton = document.createElement('button');
li.appendChild(deleteButton);
deleteButton.appendChild(document.createTextNode('Delete...'));
deleteButton.title = `Deletes the track from all sites. You will be confirmed first.`;
deleteButton.addEventListener('click', () => {
if (confirm(`This will delete "${track}" from ALL sites - this cannot be undone. Are you sure?`)) {
changeScreen('loading-screen');
browser.storage.sync.set({tracks: tracks.filter(t => t !== track)})
.then(() => loadTrackList(opts))
.then(() => changeScreen('main-screen'));
}
});
}
const actionLi = document.createElement('li');
ul.appendChild(actionLi);
actionLi.classList.add('action');
const addButton = document.createElement('button');
actionLi.appendChild(addButton);
addButton.appendChild(document.createTextNode('Create Track'));
addButton.title = `Creates a new track, which will be an option present in all sites.`;
let newTrackInput = null;
addButton.addEventListener('click', () => {
if (newTrackInput) {
newTrackInput.focus();
return;
}
const li = document.createElement('li');
li.classList.add('track');
ul.insertBefore(li, actionLi);
newTrackInput = document.createElement('input');
li.appendChild(newTrackInput);
const saveButton = document.createElement('button');
li.appendChild(saveButton);
saveButton.appendChild(document.createTextNode('Save'));
saveButton.addEventListener('click', () => {
while (li.firstChild) {
li.removeChild(li.firstChild);
}
li.appendChild(document.createTextNode('Saving...'));
const name = newTrackInput.value.trim();
if (name.length) {
changeScreen('loading-screen');
browser.storage.sync.set({tracks: tracks.concat([name])})
.then(() => loadTrackList(opts))
.then(() => changeScreen('main-screen'));
}
});
newTrackInput.focus();
});
const disableButton = document.createElement('button');
actionLi.appendChild(disableButton);
disableButton.appendChild(document.createTextNode('Disable Site'));
disableButton.title = `Removes the entry for this site altogether. It won't change BGM when you open it again.`;
disableButton.addEventListener('click', () => {
changeScreen('loading-screen');
delete siteSettings[hostname];
browser.storage.sync.set({siteSettings})
.then(() => loadTrackList(opts))
.then(() => changeScreen('main-screen'));
});
if (!(hostname in siteSettings)) {
disableButton.style.display = 'none';
}
});
}
Promise.all([
browser.tabs.query({active: true, currentWindow: true})
.then(([tab]) => {
const url = new URL(tab.url);
document.getElementById('hostname').appendChild(document.createTextNode(url.hostname));
return url.hostname;
}),
browser.storage.sync.get('siteSettings')
.then(({siteSettings = {}}) => siteSettings)
])
.then(([hostname, siteSettings]) => {
if (hostname) {
return loadTrackList({hostname, siteSettings})
.then(() => changeScreen('main-screen'));
} else {
changeScreen('invalid-host-screen');
}
});
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