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Merge branch 'master' of github.com:kingsquare/pdf.js

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Tim de Koning 2012-06-27 09:28:53 +02:00
commit 4845bb586e
1 changed files with 15 additions and 9 deletions
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24
src/api.js
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@ -18,7 +18,7 @@
* @return {Promise} A promise that is resolved with {PDFDocumentProxy} object. * @return {Promise} A promise that is resolved with {PDFDocumentProxy} object.
*/ */
PDFJS.getDocument = function getDocument(source) { PDFJS.getDocument = function getDocument(source) {
var url, data, headers, password, parameters = {}; var url, data, headers, password, parameters = {}, workerInitializedPromise, workerReadyPromise, transport;
if (typeof source === 'string') { if (typeof source === 'string') {
url = source; url = source;
} else if (isArrayBuffer(source)) { } else if (isArrayBuffer(source)) {
@ -37,8 +37,9 @@ PDFJS.getDocument = function getDocument(source) {
'string or a parameter object'); 'string or a parameter object');
} }
var promise = new PDFJS.Promise(); workerInitializedPromise = new PDFJS.Promise();
var transport = new WorkerTransport(promise); workerReadyPromise = new PDFJS.Promise();
transport = new WorkerTransport(workerInitializedPromise, workerReadyPromise);
if (data) { if (data) {
// assuming the data is array, instantiating directly from it // assuming the data is array, instantiating directly from it
transport.sendData(data, parameters); transport.sendData(data, parameters);
@ -49,23 +50,26 @@ PDFJS.getDocument = function getDocument(source) {
url: url, url: url,
progress: function getPDFProgress(evt) { progress: function getPDFProgress(evt) {
if (evt.lengthComputable) if (evt.lengthComputable)
promise.progress({ workerReadyPromise.progress({
loaded: evt.loaded, loaded: evt.loaded,
total: evt.total total: evt.total
}); });
}, },
error: function getPDFError(e) { error: function getPDFError(e) {
promise.reject('Unexpected server response of ' + workerReadyPromise.reject('Unexpected server response of ' +
e.target.status + '.'); e.target.status + '.');
}, },
headers: headers headers: headers
}, },
function getPDFLoad(data) { function getPDFLoad(data) {
transport.sendData(data, parameters); //we have to wait for the WorkerTransport to finalize worker-support detection! This may take a while...
workerInitializedPromise.then(function () {
transport.sendData(data, parameters);
});
}); });
} }
return promise; return workerReadyPromise;
}; };
/** /**
@ -414,8 +418,8 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
* For internal use only. * For internal use only.
*/ */
var WorkerTransport = (function WorkerTransportClosure() { var WorkerTransport = (function WorkerTransportClosure() {
function WorkerTransport(promise) { function WorkerTransport(workerInitializedPromise, workerReadyPromise) {
this.workerReadyPromise = promise; this.workerReadyPromise = workerReadyPromise;
this.objs = new PDFObjects(); this.objs = new PDFObjects();
this.pageCache = []; this.pageCache = [];
@ -459,6 +463,7 @@ var WorkerTransport = (function WorkerTransportClosure() {
globalScope.PDFJS.disableWorker = true; globalScope.PDFJS.disableWorker = true;
this.setupFakeWorker(); this.setupFakeWorker();
} }
workerInitializedPromise.resolve();
}.bind(this)); }.bind(this));
var testObj = new Uint8Array(1); var testObj = new Uint8Array(1);
@ -474,6 +479,7 @@ var WorkerTransport = (function WorkerTransportClosure() {
// Thus, we fallback to a faked worker. // Thus, we fallback to a faked worker.
globalScope.PDFJS.disableWorker = true; globalScope.PDFJS.disableWorker = true;
this.setupFakeWorker(); this.setupFakeWorker();
workerInitializedPromise.resolve();
} }
WorkerTransport.prototype = { WorkerTransport.prototype = {
destroy: function WorkerTransport_destroy() { destroy: function WorkerTransport_destroy() {