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[api-minor] Deprecate getGlobalEventBus and update the "viewer components" examples accordingly

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To avoid outright breaking third-party usages of the "viewer components" the `getGlobalEventBus` functionality is left intact, but a deprecation message is printed if the function is invoked.

The various examples are updated to *explicitly* initialize an `EventBus` instance, and provide that when initializing the relevant viewer components.
This commit is contained in:
Jonas Jenwald 2020-02-26 17:16:30 +01:00
parent 965ebe63fd
commit 9a437a158f
16 changed files with 68 additions and 34 deletions
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16
examples/mobile-viewer/viewer.js
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@ -40,6 +40,7 @@ var PDFViewerApplication = {
pdfViewer: null,
pdfHistory: null,
pdfLinkService: null,
eventBus: null,
/**
* Opens PDF document specified by URL.
@ -340,7 +341,12 @@ var PDFViewerApplication = {
},
initUI: function pdfViewInitUI() {
var linkService = new pdfjsViewer.PDFLinkService();
var eventBus = new pdfjsViewer.EventBus();
this.eventBus = eventBus;
var linkService = new pdfjsViewer.PDFLinkService({
eventBus: eventBus,
});
this.pdfLinkService = linkService;
this.l10n = pdfjsViewer.NullL10n;
@ -348,6 +354,7 @@ var PDFViewerApplication = {
var container = document.getElementById("viewerContainer");
var pdfViewer = new pdfjsViewer.PDFViewer({
container: container,
eventBus: eventBus,
linkService: linkService,
l10n: this.l10n,
useOnlyCssZoom: USE_ONLY_CSS_ZOOM,
@ -357,6 +364,7 @@ var PDFViewerApplication = {
linkService.setViewer(pdfViewer);
this.pdfHistory = new pdfjsViewer.PDFHistory({
eventBus: eventBus,
linkService: linkService,
});
linkService.setHistory(this.pdfHistory);
@ -394,15 +402,15 @@ var PDFViewerApplication = {
}
});
document.addEventListener("pagesinit", function() {
eventBus.on("pagesinit", function() {
// We can use pdfViewer now, e.g. let's change default scale.
pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE;
});
document.addEventListener(
eventBus.on(
"pagechanging",
function(evt) {
var page = evt.detail.pageNumber;
var page = evt.pageNumber;
var numPages = PDFViewerApplication.pagesCount;
document.getElementById("pageNumber").value = page;