ZenBrowserMirrors/pdf.js
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Implement streaming using moz-chunk-arraybuffer

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Yury Delendik 2014-09-05 20:02:54 -05:00
parent 477efd52bc
commit c3f191a27c
10 changed files with 274 additions and 77 deletions
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41
web/viewer.js
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@ -516,9 +516,15 @@ var PDFView = {
//#if (FIREFOX || MOZCENTRAL)
initPassiveLoading: function pdfViewInitPassiveLoading() {
var pdfDataRangeTransportReadyResolve;
var pdfDataRangeTransportReady = new Promise(function (resolve) {
pdfDataRangeTransportReadyResolve = resolve;
});
var pdfDataRangeTransport = {
rangeListeners: [],
progressListeners: [],
progressiveReadListeners: [],
ready: pdfDataRangeTransportReady,
addRangeListener: function PdfDataRangeTransport_addRangeListener(
listener) {
@ -530,6 +536,11 @@ var PDFView = {
this.progressListeners.push(listener);
},
addProgressiveReadListener:
function PdfDataRangeTransport_addProgressiveReadListener(listener) {
this.progressiveReadListeners.push(listener);
},
onDataRange: function PdfDataRangeTransport_onDataRange(begin, chunk) {
var listeners = this.rangeListeners;
for (var i = 0, n = listeners.length; i < n; ++i) {
@ -538,10 +549,26 @@ var PDFView = {
},
onDataProgress: function PdfDataRangeTransport_onDataProgress(loaded) {
var listeners = this.progressListeners;
for (var i = 0, n = listeners.length; i < n; ++i) {
listeners[i](loaded);
}
this.ready.then(function () {
var listeners = this.progressListeners;
for (var i = 0, n = listeners.length; i < n; ++i) {
listeners[i](loaded);
}
}.bind(this));
},
onDataProgressiveRead:
function PdfDataRangeTransport_onDataProgress(chunk) {
this.ready.then(function () {
var listeners = this.progressiveReadListeners;
for (var i = 0, n = listeners.length; i < n; ++i) {
listeners[i](chunk);
}
}.bind(this));
},
transportReady: function PdfDataRangeTransport_transportReady() {
pdfDataRangeTransportReadyResolve();
},
requestDataRange: function PdfDataRangeTransport_requestDataRange(
@ -574,6 +601,9 @@ var PDFView = {
case 'rangeProgress':
pdfDataRangeTransport.onDataProgress(args.loaded);
break;
case 'progressiveRead':
pdfDataRangeTransport.onDataProgressiveRead(args.chunk);
break;
case 'progress':
PDFView.progress(args.loaded / args.total);
break;
@ -1787,6 +1817,9 @@ function webViewerInitialized() {
if ('disablerange' in hashParams) {
PDFJS.disableRange = (hashParams['disablerange'] === 'true');
}
if ('disablestream' in hashParams) {
PDFJS.disableStream = (hashParams['disablestream'] === 'true');
}
if ('disableautofetch' in hashParams) {
PDFJS.disableAutoFetch = (hashParams['disableautofetch'] === 'true');
}