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Merge pull request #4178 from peerlibrary/worker-loader

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Allow fake worker loader with namespaced bundling of PDF.js
This commit is contained in:
Yury Delendik 2014-01-23 15:14:07 -08:00
commit ffe42f580a
1 changed files with 15 additions and 10 deletions
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25
src/worker_loader.js
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@ -18,13 +18,17 @@
'use strict'; 'use strict';
// List of files to include; // List of shared files to include;
var files = [ var sharedFiles = [
'shared/util.js', 'shared/util.js',
'shared/colorspace.js', 'shared/colorspace.js',
'shared/pattern.js', 'shared/pattern.js',
'shared/function.js', 'shared/function.js',
'shared/annotation.js', 'shared/annotation.js'
];
// List of other files to include;
var otherFiles = [
'core/network.js', 'core/network.js',
'core/chunked_stream.js', 'core/chunked_stream.js',
'core/pdf_manager.js', 'core/pdf_manager.js',
@ -54,21 +58,22 @@ function loadInOrder(index, path, files) {
PDFJS.fakeWorkerFilesLoadedPromise.resolve(); PDFJS.fakeWorkerFilesLoadedPromise.resolve();
return; return;
} }
// Skip shared files since they will already be loaded. PDFJS.Util.loadScript(path + files[index],
if (files[index].indexOf('shared/') >= 0) {
loadInOrder(++index, path, files);
return;
}
Util.loadScript(path + files[index],
loadInOrder.bind(null, ++index, path, files)); loadInOrder.bind(null, ++index, path, files));
} }
// Load all the files. // Load all the files.
if (typeof PDFJS === 'undefined' || !PDFJS.fakeWorkerFilesLoadedPromise) { if (typeof PDFJS === 'undefined' || !PDFJS.fakeWorkerFilesLoadedPromise) {
var files = sharedFiles.concat(otherFiles);
for (var i = 0; i < files.length; i++) { for (var i = 0; i < files.length; i++) {
importScripts(files[i]); importScripts(files[i]);
} }
} else { } else {
var src = PDFJS.workerSrc; var src = PDFJS.workerSrc;
loadInOrder(0, src.substr(0, src.indexOf('worker_loader.js')), files); var path = src.substr(0, src.indexOf('worker_loader.js'));
// If Util is available, we assume that shared files are already loaded. Can
// happen that they are not if PDF.js is bundled inside a special namespace.
var skipShared = typeof Util !== 'undefined';
var files = skipShared ? otherFiles : sharedFiles.concat(otherFiles);
loadInOrder(0, path, files);
} }