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feature: seek buffer bars.

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This commit is contained in:
Chen Lily 2024-04-16 10:39:51 +08:00
parent d91630212f
commit 4e8be83625
2 changed files with 33 additions and 5 deletions
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20
lib/ui/css/media.scss
View File

@ -158,7 +158,17 @@
padding: 4px 0;
cursor: pointer;
>.seek-buffers {
position: absolute;
width: 100%;
>.ui-video-buffer {
background-color: #adadad;
}
}
>.ui-video-duration,
>.seek-buffers>.ui-video-buffer,
>.ui-video-progress {
position: absolute;
border-radius: 2px;
@ -168,7 +178,7 @@
>.ui-video-duration {
width: 100%;
background-color: #bbb;
background-color: #4e4e4e;
}
>.ui-video-progress {
@ -179,10 +189,10 @@
content: '\a0';
position: absolute;
right: -6px;
top: -6px;
width: 13px;
height: 13px;
border-radius: 6px;
top: -5px;
width: 14px;
height: 14px;
border-radius: 7px;
background-color: #fff;
}
}

18
lib/ui/media.js
View File

@ -167,6 +167,7 @@ export function createVideoList(urls, options, callback) {
}
const length = urls.length;
const container = createElement('div', 'ui-media-video-container');
let seekBufferBar;
let seekProgressBar;
let playIcon;
let timeLabel;
@ -219,6 +220,7 @@ export function createVideoList(urls, options, callback) {
});
},
createElement('div', 'ui-video-duration seek-duration'),
seekBufferBar = createElement('div', 'seek-buffers'),
seekProgressBar = createElement('div', 'ui-video-progress seek-progress')
),
playIcon = createElement('div', 'ui-video-icon play-icon',
@ -355,6 +357,22 @@ export function createVideoList(urls, options, callback) {
}
}
});
video.addEventListener('progress', () => {
const buffered = video.buffered;
for (let i = 0; i < buffered.length; i += 1) {
let buffer = seekBufferBar.children[i];
if (buffer == null) {
seekBufferBar.append(buffer = createElement('div', 'ui-video-buffer'));
}
const start = buffered.start(i) * 100 / duration;
const end = buffered.end(i) * 100 / duration;
buffer.style.left = `${start.toFixed(2)}%`;
buffer.style.width = `${(end - start).toFixed(2)}%`;
}
for (let i = seekBufferBar.children.length - 1; i >= buffered.length; i -= 1) {
seekBufferBar.children[i].remove();
}
});
video.addEventListener('canplaythrough', () => {
const w = video.parentElement.querySelector('.ui-video-waiting');
if (w != null) {