Sakurai/pdf.js
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Remove the view-specific getters in the PDFSidebar class

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With the exception of `isThumbnailViewVisible`, these getters are completely unused. Generally speaking, using the `visibleView`-getter directly works just as well and seems (at least to me) to be overall preferable considering how our classes are usually implemented.
This commit is contained in:
Jonas Jenwald 2022-05-26 11:58:36 +02:00
parent e6a0a953e8
commit 13fda7caeb
2 changed files with 8 additions and 26 deletions
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16
web/app.js
View File

@ -1765,7 +1765,7 @@ const PDFViewerApplication = {
forceRendering() {
this.pdfRenderingQueue.printing = !!this.printService;
this.pdfRenderingQueue.isThumbnailViewEnabled =
this.pdfSidebar.isThumbnailViewVisible;
this.pdfSidebar.visibleView === SidebarView.THUMBS;
this.pdfRenderingQueue.renderHighestPriority();
},
@ -2261,7 +2261,7 @@ function webViewerPageRendered({ pageNumber, error }) {
}
// Use the rendered page to set the corresponding thumbnail image.
if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
if (PDFViewerApplication.pdfSidebar.visibleView === SidebarView.THUMBS) {
const pageView = PDFViewerApplication.pdfViewer.getPageView(
/* index = */ pageNumber - 1
);
@ -2338,21 +2338,19 @@ function webViewerPresentationModeChanged(evt) {
PDFViewerApplication.pdfViewer.presentationModeState = evt.state;
}
function webViewerSidebarViewChanged(evt) {
function webViewerSidebarViewChanged({ view }) {
PDFViewerApplication.pdfRenderingQueue.isThumbnailViewEnabled =
PDFViewerApplication.pdfSidebar.isThumbnailViewVisible;
view === SidebarView.THUMBS;
if (PDFViewerApplication.isInitialViewSet) {
// Only update the storage when the document has been loaded *and* rendered.
PDFViewerApplication.store?.set("sidebarView", evt.view).catch(() => {
PDFViewerApplication.store?.set("sidebarView", view).catch(() => {
// Unable to write to storage.
});
}
}
function webViewerUpdateViewarea(evt) {
const location = evt.location;
function webViewerUpdateViewarea({ location }) {
if (PDFViewerApplication.isInitialViewSet) {
// Only update the storage when the document has been loaded *and* rendered.
PDFViewerApplication.store
@ -2587,7 +2585,7 @@ function webViewerPageChanging({ pageNumber, pageLabel }) {
PDFViewerApplication.toolbar.setPageNumber(pageNumber, pageLabel);
PDFViewerApplication.secondaryToolbar.setPageNumber(pageNumber);
if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
if (PDFViewerApplication.pdfSidebar.visibleView === SidebarView.THUMBS) {
PDFViewerApplication.pdfThumbnailViewer.scrollThumbnailIntoView(pageNumber);
}
}

18
web/pdf_sidebar.js
View File

@ -120,22 +120,6 @@ class PDFSidebar {
return this.isOpen ? this.active : SidebarView.NONE;
}
get isThumbnailViewVisible() {
return this.isOpen && this.active === SidebarView.THUMBS;
}
get isOutlineViewVisible() {
return this.isOpen && this.active === SidebarView.OUTLINE;
}
get isAttachmentsViewVisible() {
return this.isOpen && this.active === SidebarView.ATTACHMENTS;
}
get isLayersViewVisible() {
return this.isOpen && this.active === SidebarView.LAYERS;
}
/**
* @param {number} view - The sidebar view that should become visible,
* must be one of the values in {SidebarView}.
@ -447,7 +431,7 @@ class PDFSidebar {
this.eventBus._on("presentationmodechanged", evt => {
if (
evt.state === PresentationModeState.NORMAL &&
this.isThumbnailViewVisible
this.visibleView === SidebarView.THUMBS
) {
this._updateThumbnailViewer();
}