dom/workers/test/fileSlice_worker.js

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 /**
michael@0 2 * Expects an object containing a blob, a start offset, an end offset
michael@0 3 * and an optional content type to slice the blob. Returns an object
michael@0 4 * containing the size and type of the sliced blob.
michael@0 5 */
michael@0 6 onmessage = function(event) {
michael@0 7 var blob = event.data.blob;
michael@0 8 var start = event.data.start;
michael@0 9 var end = event.data.end;
michael@0 10 var contentType = event.data.contentType;
michael@0 11
michael@0 12 var slicedBlob;
michael@0 13 if (contentType == undefined && end == undefined) {
michael@0 14 slicedBlob = blob.slice(start);
michael@0 15 } else if (contentType == undefined) {
michael@0 16 slicedBlob = blob.slice(start, end);
michael@0 17 } else {
michael@0 18 slicedBlob = blob.slice(start, end, contentType);
michael@0 19 }
michael@0 20
michael@0 21 var rtnObj = new Object();
michael@0 22
michael@0 23 rtnObj.size = slicedBlob.size;
michael@0 24 rtnObj.type = slicedBlob.type;
michael@0 25
michael@0 26 postMessage(rtnObj);
michael@0 27 };

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