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Introduces LegacyPromise; polyfills DOM Promise

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This commit is contained in:
Yury Delendik 2014-01-03 18:17:05 -06:00
parent 122cd150d4
commit 5bf3e44e30
20 changed files with 263 additions and 156 deletions
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16
src/core/obj.js
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@ -19,7 +19,7 @@
isStream, Lexer, log, Page, Parser, Promise, shadow,
stringToPDFString, stringToUTF8String, warn, isString, assert,
Promise, MissingDataException, XRefParseException, Stream,
ChunkedStream */
ChunkedStream, LegacyPromise */
'use strict';
@ -97,7 +97,7 @@ var Dict = (function DictClosure() {
if (xref) {
return xref.fetchIfRefAsync(value);
}
promise = new Promise();
promise = new LegacyPromise();
promise.resolve(value);
return promise;
}
@ -106,7 +106,7 @@ var Dict = (function DictClosure() {
if (xref) {
return xref.fetchIfRefAsync(value);
}
promise = new Promise();
promise = new LegacyPromise();
promise.resolve(value);
return promise;
}
@ -114,7 +114,7 @@ var Dict = (function DictClosure() {
if (xref) {
return xref.fetchIfRefAsync(value);
}
promise = new Promise();
promise = new LegacyPromise();
promise.resolve(value);
return promise;
},
@ -434,7 +434,7 @@ var Catalog = (function CatalogClosure() {
},
getPageDict: function Catalog_getPageDict(pageIndex) {
var promise = new Promise();
var promise = new LegacyPromise();
var nodesToVisit = [this.catDict.getRaw('Pages')];
var currentPageIndex = 0;
var xref = this.xref;
@ -1120,14 +1120,14 @@ var XRef = (function XRefClosure() {
},
fetchIfRefAsync: function XRef_fetchIfRefAsync(obj) {
if (!isRef(obj)) {
var promise = new Promise();
var promise = new LegacyPromise();
promise.resolve(obj);
return promise;
}
return this.fetchAsync(obj);
},
fetchAsync: function XRef_fetchAsync(ref, suppressEncryption) {
var promise = new Promise();
var promise = new LegacyPromise();
var tryFetch = function (promise) {
try {
promise.resolve(this.fetch(ref, suppressEncryption));
@ -1254,7 +1254,7 @@ var ObjectLoader = (function() {
load: function ObjectLoader_load() {
var keys = this.keys;
this.promise = new Promise();
this.promise = new LegacyPromise();
// Don't walk the graph if all the data is already loaded.
if (!(this.xref.stream instanceof ChunkedStream) ||
this.xref.stream.getMissingChunks().length === 0) {