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Implement streaming using moz-chunk-arraybuffer

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This commit is contained in:
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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20
src/display/api.js
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@ -86,6 +86,14 @@ PDFJS.workerSrc = (PDFJS.workerSrc === undefined ? null : PDFJS.workerSrc);
PDFJS.disableRange = (PDFJS.disableRange === undefined ?
false : PDFJS.disableRange);
/**
* Disable streaming of PDF file data. By default PDF.js attempts to load PDF
* in chunks. This default behavior can be disabled.
* @var {boolean}
*/
PDFJS.disableStream = (PDFJS.disableStream === undefined ?
false : PDFJS.disableStream);
/**
* Disable pre-fetching of PDF file data. When range requests are enabled PDF.js
* will automatically keep fetching more data even if it isn't needed to display
@ -851,6 +859,12 @@ var WorkerTransport = (function WorkerTransportClosure() {
});
});
pdfDataRangeTransport.addProgressiveReadListener(function(chunk) {
messageHandler.send('OnDataRange', {
chunk: chunk
});
});
messageHandler.on('RequestDataRange',
function transportDataRange(data) {
pdfDataRangeTransport.requestDataRange(data.begin, data.end);
@ -911,6 +925,12 @@ var WorkerTransport = (function WorkerTransportClosure() {
this.downloadInfoCapability.resolve(data);
}, this);
messageHandler.on('PDFManagerReady', function transportPage(data) {
if (this.pdfDataRangeTransport) {
this.pdfDataRangeTransport.transportReady();
}
}, this);
messageHandler.on('StartRenderPage', function transportRender(data) {
var page = this.pageCache[data.pageIndex];