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Fixing the length given by HTTP headers

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This commit is contained in:
Yury Delendik 2012-08-22 13:20:50 -05:00
parent c16a6ae375
commit aa00fe44c4
1 changed files with 17 additions and 17 deletions
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34
extensions/firefox/components/PdfStreamConverter.js
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@ -132,28 +132,28 @@ function PdfDataListener(length) {
PdfDataListener.prototype = { PdfDataListener.prototype = {
set: function PdfDataListener_set(chunk, offset) { set: function PdfDataListener_set(chunk, offset) {
if (this.length < 0) { var willBeLoaded = this.loaded + chunk.length;
var willBeLoaded = this.loaded + chunk.length; if (this.length >= 0 && this.length < willBeLoaded) {
this.length = -1; // reset the length, server is giving incorrect one
}
if (this.length < 0 && this.data.length < willBeLoaded) {
// data length is unknown and new chunk will not fit in the existing // data length is unknown and new chunk will not fit in the existing
// buffer, resizing the buffer by doubling the its last length // buffer, resizing the buffer by doubling the its last length
if (this.data.length < willBeLoaded) { var newLength = this.data.length;
var newLength = this.data.length; for (; newLength < willBeLoaded; newLength *= 2) {}
for (; newLength < willBeLoaded; newLength *= 2) {} var newData = new Uint8Array(newLength);
var newData = new Uint8Array(newLength); newData.set(this.data);
newData.set(this.data); this.data = newData;
this.data = newData;
}
this.data.set(chunk, this.loaded);
this.loaded = willBeLoaded;
} else {
this.data.set(chunk, offset);
this.loaded = offset + chunk.length;
this.onprogress(this.loaded, this.length);
} }
this.data.set(chunk, this.loaded);
this.loaded = willBeLoaded;
if (this.length >= 0)
this.onprogress(this.loaded, this.length);
}, },
getData: function PdfDataListener_getData() { getData: function PdfDataListener_getData() {
var data = this.length >= 0 ? this.data : var data = this.data;
this.data.subarray(0, this.loaded); if (this.loaded != data.length)
data = data.subarray(0, this.loaded);
delete this.data; // releasing temporary storage delete this.data; // releasing temporary storage
return data; return data;
}, },