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Add audio preview.

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This commit is contained in:
Lars Jung 2014-06-09 00:54:41 +02:00
parent b7081b32de
commit af29d651b5
7 changed files with 150 additions and 6 deletions
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1
CHANGELOG.md
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@ -12,6 +12,7 @@
* adds option to hide unreadable files
* adds option where to place folders (top, inplace, bottom)
* adds markdown support for custom header and footer files
* adds video and audio preview via HTML5 elements (no fallback, works best in Chrome)
* removes server side file manipulation extensions `dropbox`, `delete` and `rename`
* fixes QR code URI origin (issue [#287](https://github.com/lrsjng/h5ai/issues/287))
* improves preview GUI

9
src/_h5ai/client/css/inc/preview-aud.less Normal file
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@ -0,0 +1,9 @@
#pv-aud-audio {
position: absolute;
max-width: 100%;
max-height: 100%;
box-shadow: 0 0 8px 2px rgba(0, 0, 0, 0.3);
}

2
src/_h5ai/client/css/styles.less
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@ -12,8 +12,10 @@
@import "inc/tree";
@import "inc/qrcode";
@import "inc/preview";
@import "inc/preview-aud";
@import "inc/preview-img";
@import "inc/preview-txt";
@import "inc/preview-vid";
@import "inc/notify";
@import "inc/content";

122
src/_h5ai/client/js/inc/ext/preview-aud.js Normal file
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@ -0,0 +1,122 @@
modulejs.define('ext/preview-audio', ['_', '$', 'moment', 'core/settings', 'core/event', 'ext/preview'], function (_, $, moment, allsettings, event, preview) {
var settings = _.extend({
enabled: false,
types: []
}, allsettings['preview-aud']),
preloadAudio = function (src, callback) {
var $audio = $('<audio/>')
.one('loadedmetadata', function () {
callback($audio);
// setTimeout(function () { callback($img); }, 1000); // for testing
})
.attr('autoplay', 'autoplay')
.attr('controls', 'controls')
.attr('src', src);
},
onEnter = function (items, idx) {
var currentItems = items,
currentIdx = idx,
currentItem = items[idx],
onAdjustSize = function () {
var $content = $('#pv-content'),
$audio = $('#pv-aud-audio');
if ($audio.length) {
$audio.css({
'left': '' + (($content.width()-$audio.width())*0.5) + 'px',
'top': '' + (($content.height()-$audio.height())*0.5) + 'px'
});
preview.setLabels([
currentItem.label,
moment(0).add('seconds', $audio[0].duration).format('m:ss')
]);
}
},
onIdxChange = function (rel) {
currentIdx = (currentIdx + rel + currentItems.length) % currentItems.length;
currentItem = currentItems[currentIdx];
var spinnerTimeout = setTimeout(function () { preview.showSpinner(true); }, 200);
if ($('#pv-aud-audio').length) {
$('#pv-aud-audio')[0].pause();
}
preloadAudio(currentItem.absHref, function ($preloaded_audio) {
clearTimeout(spinnerTimeout);
preview.showSpinner(false);
$('#pv-content').fadeOut(100, function () {
$('#pv-content').empty().append($preloaded_audio.attr('id', 'pv-aud-audio')).fadeIn(200);
// small timeout, so $preloaded_audio is visible and therefore $preloaded_audio.width is available
setTimeout(function () {
onAdjustSize();
preview.setIndex(currentIdx + 1, currentItems.length);
preview.setRawLink(currentItem.absHref);
}, 10);
});
});
};
onIdxChange(0);
preview.setOnIndexChange(onIdxChange);
preview.setOnAdjustSize(onAdjustSize);
preview.enter();
},
initItem = function (item) {
if (item.$view && _.indexOf(settings.types, item.type) >= 0) {
item.$view.find('a').on('click', function (event) {
event.preventDefault();
var matchedEntries = _.compact(_.map($('#items .item'), function (item) {
item = $(item).data('item');
return _.indexOf(settings.types, item.type) >= 0 ? item : null;
}));
onEnter(matchedEntries, _.indexOf(matchedEntries, item));
});
}
},
onLocationChanged = function (item) {
_.each(item.content, initItem);
},
onLocationRefreshed = function (item, added, removed) {
_.each(added, initItem);
},
init = function () {
if (!settings.enabled) {
return;
}
event.sub('location.changed', onLocationChanged);
event.sub('location.refreshed', onLocationRefreshed);
};
init();
});

6
src/_h5ai/client/js/inc/ext/preview-vid.js
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@ -16,7 +16,6 @@ modulejs.define('ext/preview-vid', ['_', '$', 'core/settings', 'core/event', 'ex
})
.attr('autoplay', 'autoplay')
.attr('controls', 'controls')
.attr('preload', 'auto')
.attr('src', src);
},
@ -35,9 +34,7 @@ modulejs.define('ext/preview-vid', ['_', '$', 'core/settings', 'core/event', 'ex
$vid.css({
'left': '' + (($content.width()-$vid.width())*0.5) + 'px',
'top': '' + (($content.height()-$vid.height())*0.5) + 'px',
'max-width': $content.width(),
'height': $content.height()
'top': '' + (($content.height()-$vid.height())*0.5) + 'px'
});
preview.setLabels([
@ -64,6 +61,7 @@ modulejs.define('ext/preview-vid', ['_', '$', 'core/settings', 'core/event', 'ex
preview.showSpinner(false);
$('#pv-content').fadeOut(100, function () {
$('#pv-content').empty().append($preloaded_vid.attr('id', 'pv-vid-video')).fadeIn(200);
// small timeout, so $preloaded_vid is visible and therefore $preloaded_vid.width is available

4
src/_h5ai/client/js/inc/ext/preview.js
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@ -63,9 +63,10 @@ modulejs.define('ext/preview', ['_', '$', 'core/settings', 'core/resource', 'cor
onEnter = function () {
$(window).on('keydown', onKeydown);
$('#pv-content').empty();
setLabels([]);
$('#pv-overlay').stop(true, true).fadeIn(200);
$(window).on('keydown', onKeydown);
adjustSize();
},
@ -75,6 +76,7 @@ modulejs.define('ext/preview', ['_', '$', 'core/settings', 'core/resource', 'cor
$(window).off('keydown', onKeydown);
$('#pv-overlay').stop(true, true).fadeOut(200, function () {
$('#pv-content').empty();
setLabels([]);
});
},

12
src/_h5ai/conf/options.json
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@ -198,6 +198,16 @@ Options
"idSite": 1
},
/*
Play a audio preview on click.
- types: array of types
*/
"preview-aud": {
"enabled": true,
"types": ["aud"]
},
/*
Show an image preview on click.
@ -250,7 +260,7 @@ Options
},
/*
Show a video preview on click.
Play a video preview on click.
- types: array of types
*/