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Update loading bar during onprogress of range requests

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This commit is contained in:
Mack Duan 2013-04-19 13:53:22 -07:00
parent 8e4d9e9aa0
commit c5084d9e8a
4 changed files with 48 additions and 7 deletions
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8
src/api.js
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@ -561,13 +561,19 @@ var WorkerTransport = (function WorkerTransportClosure() {
var pdfDataRangeTransport = this.pdfDataRangeTransport;
if (pdfDataRangeTransport) {
pdfDataRangeTransport.addListener(function(begin, chunk) {
pdfDataRangeTransport.addRangeListener(function(begin, chunk) {
messageHandler.send('OnDataRange', {
begin: begin,
chunk: chunk
});
});
pdfDataRangeTransport.addProgressListener(function(loaded) {
messageHandler.send('OnDataProgress', {
loaded: loaded
});
});
messageHandler.on('RequestDataRange',
function transportDataRange(data) {
pdfDataRangeTransport.requestDataRange(data.begin, data.end);

13
src/chunked_stream.js
View file

@ -194,6 +194,7 @@ var ChunkedStream = (function ChunkedStreamClosure() {
var ChunkedStreamManager = (function ChunkedStreamManagerClosure() {
function ChunkedStreamManager(length, chunkSize, url, args) {
var self = this;
this.stream = new ChunkedStream(length, chunkSize);
this.length = length;
this.chunkSize = chunkSize;
@ -203,6 +204,7 @@ var ChunkedStreamManager = (function ChunkedStreamManagerClosure() {
if (args.chunkedViewerLoading) {
msgHandler.on('OnDataRange', this.onReceiveData.bind(this));
msgHandler.on('OnDataProgress', this.onProgress.bind(this));
this.sendRequest = function ChunkedStreamManager_sendRequest(begin, end) {
msgHandler.send('RequestDataRange', { begin: begin, end: end });
};
@ -219,10 +221,10 @@ var ChunkedStreamManager = (function ChunkedStreamManagerClosure() {
getXhr: getXhr,
httpHeaders: args.httpHeaders
});
var self = this;
this.sendRequest = function ChunkedStreamManager_sendRequest(begin, end) {
this.networkManager.requestRange(begin, end, {
onDone: this.onReceiveData.bind(this),
onProgress: this.onProgress.bind(this)
});
};
}
@ -347,6 +349,15 @@ var ChunkedStreamManager = (function ChunkedStreamManagerClosure() {
return groupedChunks;
},
onProgress: function ChunkedStreamManager_onProgress(args) {
var bytesLoaded = this.stream.numChunksLoaded * this.chunkSize +
args.loaded;
this.msgHandler.send('DocProgress', {
loaded: bytesLoaded,
total: this.length
});
},
onReceiveData: function ChunkedStreamManager_onReceiveData(args) {
var chunk = args.chunk;
var begin = args.begin;