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mirror of https://github.com/SuperBFG7/ympd synced 2024-12-26 11:00:27 +00:00

Feat: use intersection observer api for album view

This commit is contained in:
jcorporation 2018-10-10 22:40:04 +01:00
parent dc8351da8d
commit c204318fc4
2 changed files with 57 additions and 40 deletions

View File

@ -179,24 +179,27 @@ small {
}
.header-logo {
font-size:2rem;
float:left;
margin-right:5px;
font-size: 2rem;
float: left;
margin-right: 5px;
}
.letters > button {
width:28px;
height:28px;
width: 28px;
height: 28px;
}
.col-md {
max-width:250px;
min-width:250px;
max-width: 250px;
min-width: 250px;
}
a.card-img-top {
overflow:hidden;
display:block;
overflow: hidden;
display: block;
padding-top: 100%;
background-size: cover;
background-image: url(/assets/coverimage-loading.png);
}
button.active {

View File

@ -49,20 +49,14 @@ app.apps = { "Playback": { "state": "0/-/", "scrollPos": 0 },
},
"Database": {
"active": "AlbumArtist",
"views": { "AlbumArtist": { "state": "0/-/", "scrollPos": 0 },
"Genre": { "state": "0/-/", "scrollPos": 0 },
"Artist": { "state": "0/-/", "scrollPos": 0 },
"Composer": { "state": "0/-/", "scrollPos": 0 },
"Performer": { "state": "0/-/", "scrollPos": 0 },
"Date": { "state": "0/-/", "scrollPos": 0 },
"Album": { "state": "0/-/", "scrollPos": 0 },
"views": {
}
}
}
},
"Search": { "state": "0/any/", "scrollPos": 0 }
};
app.current = { "app": "Playback", "tab": undefined, "view": undefined, "page": 0, "filter": "", "search": "", "scrollPos": 0 };
app.last = { "app": undefined, "tab": undefined, "view": undefined, "filter": "", "search": "", "scrollPos": 0 };
@ -98,8 +92,6 @@ var modalAddToPlaylist = new Modal(document.getElementById('modalAddToPlaylist')
var modalRenamePlaylist = new Modal(document.getElementById('modalRenamePlaylist'));
var modalUpdateDB = new Modal(document.getElementById('modalUpdateDB'));
var modalSaveSmartPlaylist = new Modal(document.getElementById('modalSaveSmartPlaylist'));
//var mainMenu = new Dropdown(document.getElementById('mainMenu'));
//var volumeMenu = new Dropdown(document.getElementById('volumeIcon'));
function appPrepare(scrollPos) {
if (app.current.app != app.last.app || app.current.tab != app.last.tab || app.current.view != app.last.view) {
@ -551,9 +543,6 @@ function appInit() {
}, false);
document.getElementsByTagName('body')[0].addEventListener('click', function(event) {
// var oldPopover = document.getElementsByClassName('popover');
// for (var i = 0; i < oldPopover.length; i++)
// oldPopover[i].remove();
hideMenu();
}, false);
@ -935,6 +924,10 @@ function parseSettings(obj) {
addTagList('BrowseDatabaseByTagDropdown', false);
addTagList('searchqueuetag', true);
addTagList('searchtags', true);
for (var i = 0; i < obj.data.tags.length; i++) {
app.apps.Browse.tabs.Database.views[obj.data.tags[i]] = { "state": "0/-/", "scrollPos": 0 };
}
}
function getSettings() {
@ -1071,9 +1064,8 @@ function parseState(obj) {
function getQueue() {
if (app.current.search.length >= 2)
sendAPI({"cmd": "MPD_API_QUEUE_SEARCH", "data": {"filter": app.current.filter, "offset": app.current.page, "searchstr": app.current.search}}, parseQueue);
else {
else
sendAPI({"cmd": "MPD_API_QUEUE_LIST", "data": {"offset": app.current.page}}, parseQueue);
}
}
function parseQueue(obj) {
@ -1305,8 +1297,7 @@ function parsePlaylists(obj) {
}
function parseListDBtags(obj) {
// if (app.current.app !== 'Browse' && app.current.tab !== 'Database' && app.current.view !== 'AlbumArtist')
// return;
scrollTo(0);
if (app.current.search != '') {
document.getElementById('BrowseDatabaseAlbumList').classList.remove('hide');
document.getElementById('BrowseDatabaseTagList').classList.add('hide');
@ -1319,7 +1310,7 @@ function parseListDBtags(obj) {
var cardContainer = document.getElementById('BrowseDatabaseAlbumList');
var cards = cardContainer.getElementsByClassName('col-md');
for (var i = 0; i < nrItems; i++) {
var id=genId(obj.data[i].value);
var id = genId(obj.data[i].value);
if (cards[i])
if (cards[i].getAttribute('id') == id)
continue;
@ -1327,8 +1318,10 @@ function parseListDBtags(obj) {
card.classList.add('col-md');
card.classList.add('mr-0');
card.setAttribute('id', id);
card.setAttribute('data-album', encodeURI(obj.data[i].value));
card.setAttribute('data-init', 'false');
card.innerHTML = '<div class="card mb-4" id="card' + id + '">' +
' <a href="#" class="card-img-top"><img class="card-img-top" src="" ></a>' +
' <a href="#" class="card-img-top"></a>' +
' <div class="card-body">' +
' <h5 class="card-title" id="albumartist' + id + '"></h5>' +
' <h4 class="card-title">' + obj.data[i].value + '</h4>' +
@ -1340,8 +1333,11 @@ function parseListDBtags(obj) {
cards[i].replaceWith(card);
else
cardContainer.append(card);
sendAPI({"cmd": "MPD_API_DATABASE_TAG_ALBUM_TITLE_LIST", "data": { "album": obj.data[i].value, "search": app.current.search, "tag": app.current.view}}, parseListTitles);
if ('IntersectionObserver' in window)
createListTitleObserver(document.getElementById(id));
else
sendAPI({"cmd": "MPD_API_DATABASE_TAG_ALBUM_TITLE_LIST", "data": { "album": obj.data[i].value, "search": app.current.search, "tag": app.current.view}}, parseListTitles);
}
var cardsLen = cards.length - 1;
for (var i = cardsLen; i >= nrItems; i --) {
@ -1390,19 +1386,37 @@ function parseListDBtags(obj) {
}
}
function createListTitleObserver(ele) {
var options = {
root: null,
rootMargin: "0px",
};
var observer = new IntersectionObserver(getListTitles, options);
observer.observe(ele);
}
function getListTitles(changes, observer) {
changes.forEach(change => {
if (change.intersectionRatio > 0) {
if (change.target.getAttribute('data-init') == 'false') {
change.target.setAttribute('data-init', 'true');
var album = decodeURI(change.target.getAttribute('data-album'));
sendAPI({"cmd": "MPD_API_DATABASE_TAG_ALBUM_TITLE_LIST", "data": { "album": album, "search": app.current.search, "tag": app.current.view}}, parseListTitles);
}
}
});
}
function parseListTitles(obj) {
// if (app.current.app !== 'Browse' && app.current.tab !== 'Database' && app.current.view !== 'Album')
// return;
var id = genId(obj.album);
var card = document.getElementById('card' + id)
var tbody = card.getElementsByTagName('tbody')[0];
var img = card.getElementsByTagName('img')[0];
var imga = img.parentNode;
img.setAttribute('src', obj.cover);
imga.setAttribute('data-uri', encodeURI(obj.data[0].uri.replace(/\/[^\/]+$/, '')));
imga.setAttribute('data-name', obj.album);
imga.setAttribute('data-type', 'dir');
var img = card.getElementsByTagName('a')[0];
img.style.backgroundImage = 'url("' + obj.cover + '")';
img.setAttribute('data-uri', encodeURI(obj.data[0].uri.replace(/\/[^\/]+$/, '')));
img.setAttribute('data-name', obj.album);
img.setAttribute('data-type', 'dir');
document.getElementById('albumartist' + id).innerText = obj.albumartist;
var titleList = '';
@ -1415,7 +1429,7 @@ function parseListTitles(obj) {
}
tbody.innerHTML = titleList;
imga.addEventListener('click', function(event) {
img.addEventListener('click', function(event) {
showMenu(this, event);
}, false);