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Merge pull request #4725 from Snuffleupagus/remove-LegacyPromise-pdf_manager.js

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Remove LegacyPromise in src/core/pdf_manager.js
This commit is contained in:
Yury Delendik 2014-05-02 17:02:05 -05:00
commit a39f44fdf2
1 changed files with 44 additions and 50 deletions
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94
src/core/pdf_manager.js
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@ -15,7 +15,7 @@
* limitations under the License. * limitations under the License.
*/ */
/* globals NotImplementedException, MissingDataException, Promise, Stream, /* globals NotImplementedException, MissingDataException, Promise, Stream,
PDFDocument, ChunkedStreamManager, LegacyPromise */ PDFDocument, ChunkedStreamManager, createPromiseCapability */
'use strict'; 'use strict';
@ -84,8 +84,8 @@ var LocalPdfManager = (function LocalPdfManagerClosure() {
function LocalPdfManager(data, password) { function LocalPdfManager(data, password) {
var stream = new Stream(data); var stream = new Stream(data);
this.pdfDocument = new PDFDocument(this, stream, password); this.pdfDocument = new PDFDocument(this, stream, password);
this.loadedStream = new LegacyPromise(); this._loadedStreamCapability = createPromiseCapability();
this.loadedStream.resolve(stream); this._loadedStreamCapability.resolve(stream);
} }
LocalPdfManager.prototype = Object.create(BasePdfManager.prototype); LocalPdfManager.prototype = Object.create(BasePdfManager.prototype);
@ -93,28 +93,25 @@ var LocalPdfManager = (function LocalPdfManagerClosure() {
LocalPdfManager.prototype.ensure = LocalPdfManager.prototype.ensure =
function LocalPdfManager_ensure(obj, prop, args) { function LocalPdfManager_ensure(obj, prop, args) {
var promise = new LegacyPromise(); return new Promise(function (resolve, reject) {
try { try {
var value = obj[prop]; var value = obj[prop];
var result; var result;
if (typeof(value) === 'function') { if (typeof value === 'function') {
result = value.apply(obj, args); result = value.apply(obj, args);
} else { } else {
result = value; result = value;
}
resolve(result);
} catch (e) {
reject(e);
} }
promise.resolve(result); });
} catch (e) {
console.log(e.stack);
promise.reject(e);
}
return promise;
}; };
LocalPdfManager.prototype.requestRange = LocalPdfManager.prototype.requestRange =
function LocalPdfManager_requestRange(begin, end) { function LocalPdfManager_requestRange(begin, end) {
var promise = new LegacyPromise(); return Promise.resolve();
promise.resolve();
return promise;
}; };
LocalPdfManager.prototype.requestLoadedStream = LocalPdfManager.prototype.requestLoadedStream =
@ -123,7 +120,7 @@ var LocalPdfManager = (function LocalPdfManagerClosure() {
LocalPdfManager.prototype.onLoadedStream = LocalPdfManager.prototype.onLoadedStream =
function LocalPdfManager_getLoadedStream() { function LocalPdfManager_getLoadedStream() {
return this.loadedStream; return this._loadedStreamCapability.promise;
}; };
LocalPdfManager.prototype.terminate = LocalPdfManager.prototype.terminate =
@ -159,42 +156,39 @@ var NetworkPdfManager = (function NetworkPdfManagerClosure() {
NetworkPdfManager.prototype.ensure = NetworkPdfManager.prototype.ensure =
function NetworkPdfManager_ensure(obj, prop, args) { function NetworkPdfManager_ensure(obj, prop, args) {
var promise = new LegacyPromise(); var pdfManager = this;
this.ensureHelper(promise, obj, prop, args);
return promise;
};
NetworkPdfManager.prototype.ensureHelper = return new Promise(function (resolve, reject) {
function NetworkPdfManager_ensureHelper(promise, obj, prop, args) { function ensureHelper() {
try { try {
var result; var result;
var value = obj[prop]; var value = obj[prop];
if (typeof(value) === 'function') { if (typeof value === 'function') {
result = value.apply(obj, args); result = value.apply(obj, args);
} else { } else {
result = value; result = value;
} }
promise.resolve(result); resolve(result);
} catch(e) { } catch(e) {
if (!(e instanceof MissingDataException)) { if (!(e instanceof MissingDataException)) {
console.log(e.stack); reject(e);
promise.reject(e); return;
return; }
pdfManager.streamManager.requestRange(e.begin, e.end, ensureHelper);
}
} }
this.streamManager.requestRange(e.begin, e.end, function() { ensureHelper();
this.ensureHelper(promise, obj, prop, args); });
}.bind(this));
}
}; };
NetworkPdfManager.prototype.requestRange = NetworkPdfManager.prototype.requestRange =
function NetworkPdfManager_requestRange(begin, end) { function NetworkPdfManager_requestRange(begin, end) {
var promise = new LegacyPromise(); return new Promise(function (resolve) {
this.streamManager.requestRange(begin, end, function() { this.streamManager.requestRange(begin, end, function() {
promise.resolve(); resolve();
}); });
return promise; }.bind(this));
}; };
NetworkPdfManager.prototype.requestLoadedStream = NetworkPdfManager.prototype.requestLoadedStream =