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mirror of https://github.com/balkian/go5ears.git synced 2024-11-14 02:02:29 +00:00

User friendly downloads for files and Playlist

The name is still missing in Firefox because it doesn't use the
"download" attribute. However it won't open a new window for playlist or
file downloads.
This commit is contained in:
J.Fernando Sánchez 2013-01-25 11:36:38 +01:00
parent ec5d8ebe7c
commit 208a398d3b
6 changed files with 200 additions and 7 deletions

View File

@ -12,7 +12,7 @@ html,body {
.sortable { position:relative; list-style-type: none; margin: 0; padding: 0; width: 100%; }
.sortable li { margin: 0px 3px 3px 3px; padding: 0.4em; font-size: 1em; height: 18px; }
.list-name { padding-left:3em; }
.list-controls span {float:left;display:inline;}
.list-controls span, .list-controls a {float:left;display:inline;}
#wrapper {
position:relative;
height: auto !important;
@ -21,7 +21,7 @@ html,body {
}
#headerPage {
position:relative;
min-height:20%;
height:20%;
width: 100%;
}
.controls ul li {
@ -41,6 +41,7 @@ text-align: center;
font-size:small;
}
#audio {
height:40px;
width:100%;
}
@ -76,6 +77,6 @@ text-align: center;
display:none;
}
.list-controls span {
.list-controls span a {
cursor:pointer;
}

177
js/Blob.js Normal file
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@ -0,0 +1,177 @@
/* Blob.js
* A Blob implementation.
* 2013-01-23
*
* By Eli Grey, http://eligrey.com
* By Devin Samarin, https://github.com/eboyjr
* License: X11/MIT
* See LICENSE.md
*/
/*global self, unescape */
/*jslint bitwise: true, regexp: true, confusion: true, es5: true, vars: true, white: true,
plusplus: true */
/*! @source http://purl.eligrey.com/github/Blob.js/blob/master/Blob.js */
if (typeof Blob !== "function")
var Blob = (function (view) {
"use strict";
var BlobBuilder = view.BlobBuilder || view.WebKitBlobBuilder || view.MozBlobBuilder || view.MSBlobBuilder || (function(view) {
var
get_class = function(object) {
return Object.prototype.toString.call(object).match(/^\[object\s(.*)\]$/)[1];
}
, FakeBlobBuilder = function BlobBuilder() {
this.data = [];
}
, FakeBlob = function Blob(data, type, encoding) {
this.data = data;
this.size = data.length;
this.type = type;
this.encoding = encoding;
}
, FBB_proto = FakeBlobBuilder.prototype
, FB_proto = FakeBlob.prototype
, FileReaderSync = view.FileReaderSync
, FileException = function(type) {
this.code = this[this.name = type];
}
, file_ex_codes = (
"NOT_FOUND_ERR SECURITY_ERR ABORT_ERR NOT_READABLE_ERR ENCODING_ERR "
+ "NO_MODIFICATION_ALLOWED_ERR INVALID_STATE_ERR SYNTAX_ERR"
).split(" ")
, file_ex_code = file_ex_codes.length
, real_URL = view.URL || view.webkitURL || view
, real_create_object_URL = real_URL.createObjectURL
, real_revoke_object_URL = real_URL.revokeObjectURL
, URL = real_URL
, btoa = view.btoa
, atob = view.atob
, can_apply_typed_arrays = false
, can_apply_typed_arrays_test = function(pass) {
can_apply_typed_arrays = !pass;
}
, ArrayBuffer = view.ArrayBuffer
, Uint8Array = view.Uint8Array
;
FakeBlob.fake = FB_proto.fake = true;
while (file_ex_code--) {
FileException.prototype[file_ex_codes[file_ex_code]] = file_ex_code + 1;
}
try {
if (Uint8Array) {
can_apply_typed_arrays_test.apply(0, new Uint8Array(1));
}
} catch (ex) {}
if (!real_URL.createObjectURL) {
URL = view.URL = {};
}
URL.createObjectURL = function(blob) {
var
type = blob.type
, data_URI_header
;
if (type === null) {
type = "application/octet-stream";
}
if (blob instanceof FakeBlob) {
data_URI_header = "data:" + type;
if (blob.encoding === "base64") {
return data_URI_header + ";base64," + blob.data;
} else if (blob.encoding === "URI") {
return data_URI_header + "," + decodeURIComponent(blob.data);
} if (btoa) {
return data_URI_header + ";base64," + btoa(blob.data);
} else {
return data_URI_header + "," + encodeURIComponent(blob.data);
}
} else if (real_create_object_URL) {
return real_create_object_URL.call(real_URL, blob);
}
};
URL.revokeObjectURL = function(object_URL) {
if (object_URL.substring(0, 5) !== "data:" && real_revoke_object_URL) {
real_revoke_object_URL.call(real_URL, object_URL);
}
};
FBB_proto.append = function(data/*, endings*/) {
var bb = this.data;
// decode data to a binary string
if (Uint8Array && data instanceof ArrayBuffer) {
if (can_apply_typed_arrays) {
bb.push(String.fromCharCode.apply(String, new Uint8Array(data)));
} else {
var
str = ""
, buf = new Uint8Array(data)
, i = 0
, buf_len = buf.length
;
for (; i < buf_len; i++) {
str += String.fromCharCode(buf[i]);
}
}
} else if (get_class(data) === "Blob" || get_class(data) === "File") {
if (FileReaderSync) {
var fr = new FileReaderSync;
bb.push(fr.readAsBinaryString(data));
} else {
// async FileReader won't work as BlobBuilder is sync
throw new FileException("NOT_READABLE_ERR");
}
} else if (data instanceof FakeBlob) {
if (data.encoding === "base64" && atob) {
bb.push(atob(data.data));
} else if (data.encoding === "URI") {
bb.push(decodeURIComponent(data.data));
} else if (data.encoding === "raw") {
bb.push(data.data);
}
} else {
if (typeof data !== "string") {
data += ""; // convert unsupported types to strings
}
// decode UTF-16 to binary string
bb.push(unescape(encodeURIComponent(data)));
}
};
FBB_proto.getBlob = function(type) {
if (!arguments.length) {
type = null;
}
return new FakeBlob(this.data.join(""), type, "raw");
};
FBB_proto.toString = function() {
return "[object BlobBuilder]";
};
FB_proto.slice = function(start, end, type) {
var args = arguments.length;
if (args < 3) {
type = null;
}
return new FakeBlob(
this.data.slice(start, args > 1 ? end : this.data.length)
, type
, this.encoding
);
};
FB_proto.toString = function() {
return "[object Blob]";
};
return FakeBlobBuilder;
}(view));
return function Blob(blobParts, options) {
var type = options ? (options.type || "") : "";
var builder = new BlobBuilder();
if (blobParts) {
for (var i = 0, len = blobParts.length; i < len; i++) {
builder.append(blobParts[i]);
}
}
return builder.getBlob(type);
};
}(self));

2
js/BlobBuilder.min.js vendored Normal file
View File

@ -0,0 +1,2 @@
/*! @source http://purl.eligrey.com/github/BlobBuilder.js/blob/master/BlobBuilder.js */
var BlobBuilder=BlobBuilder||self.WebKitBlobBuilder||self.MozBlobBuilder||(function(j){"use strict";var c=function(v){return Object.prototype.toString.call(v).match(/^\[object\s(.*)\]$/)[1]},u=function(){this.data=[]},t=function(x,v,w){this.data=x;this.size=x.length;this.type=v;this.encoding=w},k=u.prototype,s=t.prototype,n=j.FileReaderSync,a=function(v){this.code=this[this.name=v]},l=("NOT_FOUND_ERR SECURITY_ERR ABORT_ERR NOT_READABLE_ERR ENCODING_ERR NO_MODIFICATION_ALLOWED_ERR INVALID_STATE_ERR SYNTAX_ERR").split(" "),r=l.length,o=j.URL||j.webkitURL||j,p=o.createObjectURL,b=o.revokeObjectURL,e=o,i=j.btoa,f=j.atob,m=false,h=function(v){m=!v},d=j.ArrayBuffer,g=j.Uint8Array;u.fake=s.fake=true;while(r--){a.prototype[l[r]]=r+1}try{if(g){h.apply(0,new g(1))}}catch(q){}if(!o.createObjectURL){e=j.URL={}}e.createObjectURL=function(w){var x=w.type,v;if(x===null){x="application/octet-stream"}if(w instanceof t){v="data:"+x;if(w.encoding==="base64"){return v+";base64,"+w.data}else{if(w.encoding==="URI"){return v+","+decodeURIComponent(w.data)}}if(i){return v+";base64,"+i(w.data)}else{return v+","+encodeURIComponent(w.data)}}else{if(real_create_object_url){return real_create_object_url.call(o,w)}}};e.revokeObjectURL=function(v){if(v.substring(0,5)!=="data:"&&real_revoke_object_url){real_revoke_object_url.call(o,v)}};k.append=function(z){var B=this.data;if(g&&z instanceof d){if(m){B.push(String.fromCharCode.apply(String,new g(z)))}else{var A="",w=new g(z),x=0,y=w.length;for(;x<y;x++){A+=String.fromCharCode(w[x])}}}else{if(c(z)==="Blob"||c(z)==="File"){if(n){var v=new n;B.push(v.readAsBinaryString(z))}else{throw new a("NOT_READABLE_ERR")}}else{if(z instanceof t){if(z.encoding==="base64"&&f){B.push(f(z.data))}else{if(z.encoding==="URI"){B.push(decodeURIComponent(z.data))}else{if(z.encoding==="raw"){B.push(z.data)}}}}else{if(typeof z!=="string"){z+=""}B.push(unescape(encodeURIComponent(z)))}}}};k.getBlob=function(v){if(!arguments.length){v=null}return new t(this.data.join(""),v,"raw")};k.toString=function(){return"[object BlobBuilder]"};s.slice=function(y,v,x){var w=arguments.length;if(w<3){x=null}return new t(this.data.slice(y,w>1?v:this.data.length),x,this.encoding)};s.toString=function(){return"[object Blob]"};return u}(self));

2
js/FileSaver.min.js vendored Normal file
View File

@ -0,0 +1,2 @@
/*! @source http://purl.eligrey.com/github/FileSaver.js/blob/master/FileSaver.js */
var saveAs=saveAs||(function(h){"use strict";var r=h.document,l=function(){return h.URL||h.webkitURL||h},e=h.URL||h.webkitURL||h,n=r.createElementNS("http://www.w3.org/1999/xhtml","a"),g="download" in n,j=function(t){var s=r.createEvent("MouseEvents");s.initMouseEvent("click",true,false,h,0,0,0,0,0,false,false,false,false,0,null);return t.dispatchEvent(s)},o=h.webkitRequestFileSystem,p=h.requestFileSystem||o||h.mozRequestFileSystem,m=function(s){(h.setImmediate||h.setTimeout)(function(){throw s},0)},c="application/octet-stream",k=0,b=[],i=function(){var t=b.length;while(t--){var s=b[t];if(typeof s==="string"){e.revokeObjectURL(s)}else{s.remove()}}b.length=0},q=function(t,s,w){s=[].concat(s);var v=s.length;while(v--){var x=t["on"+s[v]];if(typeof x==="function"){try{x.call(t,w||t)}catch(u){m(u)}}}},f=function(t,u){var v=this,B=t.type,E=false,x,w,s=function(){var F=l().createObjectURL(t);b.push(F);return F},A=function(){q(v,"writestart progress write writeend".split(" "))},D=function(){if(E||!x){x=s(t)}w.location.href=x;v.readyState=v.DONE;A()},z=function(F){return function(){if(v.readyState!==v.DONE){return F.apply(this,arguments)}}},y={create:true,exclusive:false},C;v.readyState=v.INIT;if(!u){u="download"}if(g){x=s(t);n.href=x;n.download=u;if(j(n)){v.readyState=v.DONE;A();return}}if(h.chrome&&B&&B!==c){C=t.slice||t.webkitSlice;t=C.call(t,0,t.size,c);E=true}if(o&&u!=="download"){u+=".download"}if(B===c||o){w=h}else{w=h.open()}if(!p){D();return}k+=t.size;p(h.TEMPORARY,k,z(function(F){F.root.getDirectory("saved",y,z(function(G){var H=function(){G.getFile(u,y,z(function(I){I.createWriter(z(function(J){J.onwriteend=function(K){w.location.href=I.toURL();b.push(I);v.readyState=v.DONE;q(v,"writeend",K)};J.onerror=function(){var K=J.error;if(K.code!==K.ABORT_ERR){D()}};"writestart progress write abort".split(" ").forEach(function(K){J["on"+K]=v["on"+K]});J.write(t);v.abort=function(){J.abort();v.readyState=v.DONE};v.readyState=v.WRITING}),D)}),D)};G.getFile(u,{create:false},z(function(I){I.remove();H()}),z(function(I){if(I.code===I.NOT_FOUND_ERR){H()}else{D()}}))}),D)}),D)},d=f.prototype,a=function(s,t){return new f(s,t)};d.abort=function(){var s=this;s.readyState=s.DONE;q(s,"abort")};d.readyState=d.INIT=0;d.WRITING=1;d.DONE=2;d.error=d.onwritestart=d.onprogress=d.onwrite=d.onabort=d.onerror=d.onwriteend=null;h.addEventListener("unload",i,false);return a}(self));

View File

@ -16,8 +16,10 @@ $(document).ready(function(){
function savePlaylist(){
saveState();
uriContent = "data:application/json," + encodeURIComponent(localStorage.playlist);
window.open(uriContent,"PlayList.json");
// uriContent = "data:application/json," + encodeURIComponent(localStorage.playlist);
// window.open(uriContent,"PlayList.json");
var blob = new Blob([localStorage.playlist],{type:"text/json;charset=utf-8"});
saveAs(blob, "playlist.json");
}
@ -225,6 +227,12 @@ $(document).ready(function(){
self.downloadSong = function(){
window.open("/play?id="+self.id(), self.formattedName());
}
self.downloadURL = ko.computed(function(){
return "/play?id="+self.id();
});
self.downloadName = ko.computed(function(){
return self.group()+" - "+self.title()+".mp3";
});
}

View File

@ -6,6 +6,7 @@
<script type="text/javascript" src="http://code.jquery.com/jquery-latest.js"></script>
<script type="text/javascript" src="js/jquery-ui-1.10.0.custom.min.js"></script>
<script type='text/javascript' src='js/knockout-2.1.0.js'></script>
<script type='text/javascript' src='js/FileSaver.min.js'></script>
<script type='text/javascript' src='https://github.com/downloads/rniemeyer/knockout-sortable/knockout-sortable.js'></script>
<script type='text/javascript' src='js/app.js'></script>
<title>Go5Ears, listen in html5!</title>
@ -48,7 +49,8 @@
<span class="ui-icon ui-icon-play" data-bind="click: $root.playSong, visible: ! isPlaying()">Play</span>
<span class="ui-icon ui-icon-pause" data-bind="click: $root.pauseSong, visible: isPlaying()">Play</span>
<span class="ui-icon ui-icon-circle-plus" data-bind="click: $root.addSong">Add</span>
<span class="ui-icon ui-icon-arrowthickstop-1-s" data-bind="click: downloadSong"></span>
<!-- <span class="ui-icon ui-icon-arrowthickstop-1-s" data-bind="click: downloadSong"></span> -->
<a class="ui-icon ui-icon-arrowthickstop-1-s" data-bind="attr: {href:downloadURL, download:downloadName}"></a>
</div>
<span class="list-name" data-bind="text: formattedName()">
Name - Title
@ -69,7 +71,8 @@
<span class="ui-icon ui-icon-play" data-bind="click: $root.playSong, visible: ! isPlaying()">Play</span>
<span class="ui-icon ui-icon-pause" data-bind="click: $root.pauseSong, visible: isPlaying()">Play</span>
<span class="ui-icon ui-icon-circle-plus" data-bind="click: $root.addSong">Add</span>
<span class="ui-icon ui-icon-arrowthickstop-1-s" data-bind="click: downloadSong"></span>
<!-- <span class="ui-icon ui-icon-arrowthickstop-1-s" data-bind="click: downloadSong"></span> -->
<a class="ui-icon ui-icon-arrowthickstop-1-s" data-bind="attr: {href:downloadURL, download:downloadName}"></a>
</div>
<div class="list-name" data-bind="text: formattedName()">
Name - Title