ZenBrowserMirrors/pdf.js
1
0
Fork 0
mirror of https://github.com/zen-browser/pdf.js.git synced 2025-07-08 17:30:09 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Don't traverse all pages to get a single page.

Browse source
This commit is contained in:
Brendan Dahl 2013-11-13 15:27:46 -08:00
parent 516d2e79be
commit c2d65fc4ab
8 changed files with 183 additions and 84 deletions
Download patch file Download diff file Expand all files Collapse all files

23
src/shared/util.js
View file

@ -355,7 +355,7 @@ var MissingDataException = (function MissingDataExceptionClosure() {
function MissingDataException(begin, end) {
this.begin = begin;
this.end = end;
this.message = 'Missing data [begin, end)';
this.message = 'Missing data [' + begin + ', ' + end + ')';
}
MissingDataException.prototype = new Error();
@ -928,7 +928,7 @@ var Promise = PDFJS.Promise = (function PromiseClosure() {
/**
* Builds a promise that is resolved when all the passed in promises are
* resolved.
* @param {Promise[]} promises Array of promises to wait for.
* @param {array} array of data and/or promises to wait for.
* @return {Promise} New dependant promise.
*/
Promise.all = function Promise_all(promises) {
@ -948,7 +948,7 @@ var Promise = PDFJS.Promise = (function PromiseClosure() {
}
for (var i = 0, ii = promises.length; i < ii; ++i) {
var promise = promises[i];
promise.then((function(i) {
var resolve = (function(i) {
return function(value) {
if (deferred._status === STATUS_REJECTED) {
return;
@ -958,11 +958,24 @@ var Promise = PDFJS.Promise = (function PromiseClosure() {
if (unresolved === 0)
deferred.resolve(results);
};
})(i), reject);
})(i);
if (Promise.isPromise(promise)) {
promise.then(resolve, reject);
} else {
resolve(promise);
}
}
return deferred;
};
/**
* Checks if the value is likely a promise (has a 'then' function).
* @return {boolean} true if x is thenable
*/
Promise.isPromise = function Promise_isPromise(value) {
return value && typeof value.then === 'function';
};
Promise.prototype = {
_status: null,
_value: null,
@ -976,7 +989,7 @@ var Promise = PDFJS.Promise = (function PromiseClosure() {
}
if (status == STATUS_RESOLVED &&
value && typeof(value.then) === 'function') {
Promise.isPromise(value)) {
value.then(this._updateStatus.bind(this, STATUS_RESOLVED),
this._updateStatus.bind(this, STATUS_REJECTED));
return;