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Add a page loading indicator to the page number input

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This commit is contained in:
Jonas Jenwald 2014-07-18 13:53:04 +02:00
parent 1858fbfe82
commit b9ef80e167
3 changed files with 37 additions and 18 deletions
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1
web/ui_utils.js
View File

@ -355,4 +355,3 @@ var Cache = function cacheCache(size) {
}
};
};

6
web/viewer.css
View File

@ -1053,6 +1053,12 @@ html[dir='rtl'] .verticalToolbarSeparator {
width: 40px;
}
.toolbarField.pageNumber.visiblePageIsLoading {
background-image: url(images/loading-small.png);
background-repeat: no-repeat;
background-position: 1px;
}
.toolbarField.pageNumber::-webkit-inner-spin-button,
.toolbarField.pageNumber::-webkit-outer-spin-button {
-webkit-appearance: none;

32
web/viewer.js
View File

@ -22,7 +22,7 @@
DocumentProperties, DocumentOutlineView, DocumentAttachmentsView,
OverlayManager, PDFFindController, PDFFindBar, getVisibleElements,
watchScroll, PDFViewer, PDFRenderingQueue, PresentationModeState,
DEFAULT_SCALE, UNKNOWN_SCALE,
RenderingStates, DEFAULT_SCALE, UNKNOWN_SCALE,
IGNORE_CURRENT_POSITION_ON_ZOOM: true */
'use strict';
@ -34,7 +34,7 @@ var MAX_SCALE = 10.0;
var VIEW_HISTORY_MEMORY = 20;
var SCALE_SELECT_CONTAINER_PADDING = 8;
var SCALE_SELECT_PADDING = 22;
var PAGE_NUMBER_LOADING_INDICATOR = 'visiblePageIsLoading';
//#if B2G
//PDFJS.useOnlyCssZoom = true;
//PDFJS.disableTextLayer = true;
@ -878,13 +878,11 @@ var PDFViewerApplication = {
});
var pagesCount = pdfDocument.numPages;
var id = pdfDocument.fingerprint;
document.getElementById('numPages').textContent =
mozL10n.get('page_of', {pageCount: pagesCount}, 'of {{pageCount}}');
document.getElementById('pageNumber').max = pagesCount;
this.documentFingerprint = id;
var id = this.documentFingerprint = pdfDocument.fingerprint;
var store = this.store = new ViewHistory(id);
var pdfViewer = this.pdfViewer;
@ -1646,13 +1644,11 @@ function webViewerInitialized() {
PDFViewerApplication.zoomOut();
});
document.getElementById('pageNumber').addEventListener('click',
function() {
document.getElementById('pageNumber').addEventListener('click', function() {
this.select();
});
document.getElementById('pageNumber').addEventListener('change',
function() {
document.getElementById('pageNumber').addEventListener('change', function() {
// Handle the user inputting a floating point number.
PDFViewerApplication.page = (this.value | 0);
@ -1756,6 +1752,13 @@ document.addEventListener('pagerendered', function (e) {
// }));
//});
//#endif
// If the page is still visible when it has finished rendering,
// ensure that the page number input loading indicator is hidden.
if ((pageIndex + 1) === PDFViewerApplication.page) {
var pageNumberInput = document.getElementById('pageNumber');
pageNumberInput.classList.remove(PAGE_NUMBER_LOADING_INDICATOR);
}
}, true);
window.addEventListener('presentationmodechanged', function (e) {
@ -1797,6 +1800,17 @@ window.addEventListener('updateviewarea', function () {
// Update the current bookmark in the browsing history.
PDFHistory.updateCurrentBookmark(location.pdfOpenParams, location.pageNumber);
// Show/hide the loading indicator in the page number input element.
var pageNumberInput = document.getElementById('pageNumber');
var currentPage =
PDFViewerApplication.pdfViewer.getPageView(PDFViewerApplication.page - 1);
if (currentPage.renderingState === RenderingStates.FINISHED) {
pageNumberInput.classList.remove(PAGE_NUMBER_LOADING_INDICATOR);
} else {
pageNumberInput.classList.add(PAGE_NUMBER_LOADING_INDICATOR);
}
}, true);
window.addEventListener('resize', function webViewerResize(evt) {