ZenBrowserMirrors/pdf.js
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Introduces LegacyPromise; polyfills DOM Promise

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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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36
web/viewer.js
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@ -19,7 +19,7 @@
getFileName, scrollIntoView, getPDFFileNameFromURL, PDFHistory,
Preferences, ViewHistory, PageView, ThumbnailView,
noContextMenuHandler, SecondaryToolbar, PasswordPrompt,
PresentationMode, HandTool */
PresentationMode, HandTool, Promise */
'use strict';
@ -787,12 +787,17 @@ var PDFView = {
load: function pdfViewLoad(pdfDocument, scale) {
var self = this;
var onePageRendered = new PDFJS.Promise();
var isOnePageRenderedResolved = false;
var resolveOnePageRendered = null;
var onePageRendered = new Promise(function (resolve) {
resolveOnePageRendered = resolve;
});
function bindOnAfterDraw(pageView, thumbnailView) {
// when page is painted, using the image as thumbnail base
pageView.onAfterDraw = function pdfViewLoadOnAfterDraw() {
if (!onePageRendered.isResolved) {
onePageRendered.resolve();
if (!isOnePageRenderedResolved) {
isOnePageRenderedResolved = true;
resolveOnePageRendered();
}
thumbnailView.setImage(pageView.canvas);
};
@ -841,7 +846,11 @@ var PDFView = {
var pagesRefMap = this.pagesRefMap = {};
var thumbnails = this.thumbnails = [];
var pagesPromise = this.pagesPromise = new PDFJS.Promise();
var resolvePagesPromise;
var pagesPromise = new Promise(function (resolve) {
resolvePagesPromise = resolve;
});
this.pagesPromise = pagesPromise;
var firstPagePromise = pdfDocument.getPage(1);
@ -877,13 +886,13 @@ var PDFView = {
pagesRefMap[refStr] = pageNum;
getPagesLeft--;
if (!getPagesLeft) {
pagesPromise.resolve();
resolvePagesPromise();
}
}.bind(null, pageNum));
}
} else {
// XXX: Printing is semi-broken with auto fetch disabled.
pagesPromise.resolve();
resolvePagesPromise();
}
});
@ -893,12 +902,12 @@ var PDFView = {
PDFView.loadingBar.setWidth(container);
PDFFindController.firstPagePromise.resolve();
PDFFindController.resolveFirstPage();
});
var prefsPromise = prefs.initializedPromise;
var storePromise = store.initializedPromise;
PDFJS.Promise.all([firstPagePromise, prefsPromise, storePromise]).
Promise.all([firstPagePromise, prefsPromise, storePromise]).
then(function() {
var showPreviousViewOnLoad = prefs.get('showPreviousViewOnLoad');
var defaultZoomValue = prefs.get('defaultZoomValue');
@ -961,7 +970,7 @@ var PDFView = {
// outline depends on destinations and pagesRefMap
var promises = [pagesPromise, destinationsPromise,
PDFView.animationStartedPromise];
PDFJS.Promise.all(promises).then(function() {
Promise.all(promises).then(function() {
pdfDocument.getOutline().then(function(outline) {
self.outline = new DocumentOutlineView(outline);
document.getElementById('viewOutline').disabled = !outline;
@ -2212,9 +2221,10 @@ window.addEventListener('afterprint', function afterPrint(evt) {
window.oRequestAnimationFrame ||
window.msRequestAnimationFrame ||
function startAtOnce(callback) { callback(); };
PDFView.animationStartedPromise = new PDFJS.Promise();
requestAnimationFrame(function onAnimationFrame() {
PDFView.animationStartedPromise.resolve();
PDFView.animationStartedPromise = new Promise(function (resolve) {
requestAnimationFrame(function onAnimationFrame() {
resolve();
});
});
})();