Sakurai/pdf.js
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #2613 from yurydelendik/wait-animation

Browse Source 
Wait for animation frame before displaying stuff
This commit is contained in:
Brendan Dahl 2013-01-28 08:48:59 -08:00
commit 7bd8887860
1 changed files with 23 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
web/viewer.js
View File

@ -59,7 +59,13 @@ function getFileName(url) {
} }
function scrollIntoView(element, spot) { function scrollIntoView(element, spot) {
// Assuming offsetParent is available (it's not available when viewer is in
// hidden iframe or object). We have to scroll: if the offsetParent is not set
// producing the error. See also animationStartedClosure.
var parent = element.offsetParent, offsetY = element.offsetTop; var parent = element.offsetParent, offsetY = element.offsetTop;
if (!parent) {
error('offsetParent is not set -- cannot scroll');
}
while (parent.clientHeight == parent.scrollHeight) { while (parent.clientHeight == parent.scrollHeight) {
offsetY += parent.offsetTop; offsetY += parent.offsetTop;
parent = parent.offsetParent; parent = parent.offsetParent;
@ -1286,7 +1292,8 @@ var PDFView = {
}); });
// outline and initial view depends on destinations and pagesRefMap // outline and initial view depends on destinations and pagesRefMap
var promises = [pagesPromise, destinationsPromise, storePromise]; var promises = [pagesPromise, destinationsPromise, storePromise,
PDFView.animationStartedPromise];
PDFJS.Promise.all(promises).then(function() { PDFJS.Promise.all(promises).then(function() {
pdfDocument.getOutline().then(function(outline) { pdfDocument.getOutline().then(function(outline) {
self.outline = new DocumentOutlineView(outline); self.outline = new DocumentOutlineView(outline);
@ -3321,6 +3328,21 @@ window.addEventListener('afterprint', function afterPrint(evt) {
window.addEventListener('webkitfullscreenchange', fullscreenChange, false); window.addEventListener('webkitfullscreenchange', fullscreenChange, false);
})(); })();
(function animationStartedClosure() {
// The offsetParent is not set until the pdf.js iframe or object is visible.
// Waiting for first animation.
var requestAnimationFrame = window.requestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.oRequestAnimationFrame ||
window.msRequestAnimationFrame ||
function startAtOnce(callback) { callback(); };
PDFView.animationStartedPromise = new PDFJS.Promise();
requestAnimationFrame(function onAnimationFrame() {
PDFView.animationStartedPromise.resolve();
});
})();
//#if B2G //#if B2G
//window.navigator.mozSetMessageHandler('activity', function(activity) { //window.navigator.mozSetMessageHandler('activity', function(activity) {
// var url = activity.source.data.url; // var url = activity.source.data.url;