Refactor PDFViewerApplication.initialize into two methods, one that reads the Preferences and one that initializes the various viewer components
This commit is contained in:
Jonas Jenwald
parent
7d8fa1385d
commit
2c1436f6cb
262
web/app.js
262
web/app.js
@ -193,134 +193,36 @@ var PDFViewerApplication = {
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// called once when the document is loaded
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initialize: function pdfViewInitialize(appConfig) {
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var self = this;
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var PDFJS = pdfjsLib.PDFJS;
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configure(pdfjsLib.PDFJS);
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this.appConfig = appConfig;
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var eventBus = appConfig.eventBus || getGlobalEventBus();
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this.eventBus = eventBus;
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this.bindEvents();
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var pdfRenderingQueue = new PDFRenderingQueue();
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pdfRenderingQueue.onIdle = this.cleanup.bind(this);
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this.pdfRenderingQueue = pdfRenderingQueue;
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var pdfLinkService = new PDFLinkService({
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eventBus: eventBus
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});
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this.pdfLinkService = pdfLinkService;
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var downloadManager = this.externalServices.createDownloadManager();
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this.downloadManager = downloadManager;
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var container = appConfig.mainContainer;
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var viewer = appConfig.viewerContainer;
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this.pdfViewer = new PDFViewer({
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container: container,
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viewer: viewer,
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eventBus: eventBus,
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renderingQueue: pdfRenderingQueue,
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linkService: pdfLinkService,
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downloadManager: downloadManager,
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enhanceTextSelection: false,
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renderInteractiveForms: false,
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});
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pdfRenderingQueue.setViewer(this.pdfViewer);
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pdfLinkService.setViewer(this.pdfViewer);
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var thumbnailContainer = appConfig.sidebar.thumbnailView;
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this.pdfThumbnailViewer = new PDFThumbnailViewer({
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container: thumbnailContainer,
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renderingQueue: pdfRenderingQueue,
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linkService: pdfLinkService
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});
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pdfRenderingQueue.setThumbnailViewer(this.pdfThumbnailViewer);
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Preferences.initialize();
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this.preferences = Preferences;
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this.pdfHistory = new PDFHistory({
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linkService: pdfLinkService,
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eventBus: this.eventBus
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});
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pdfLinkService.setHistory(this.pdfHistory);
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this._initializeViewerComponents();
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this.findController = new PDFFindController({
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pdfViewer: this.pdfViewer
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});
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this.findController.onUpdateResultsCount = function (matchCount) {
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if (this.supportsIntegratedFind) {
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return;
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return this._readPreferences().then(function () {
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if (self.isViewerEmbedded && !PDFJS.isExternalLinkTargetSet()) {
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// Prevent external links from "replacing" the viewer,
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// when it's embedded in e.g. an iframe or an object.
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PDFJS.externalLinkTarget = PDFJS.LinkTarget.TOP;
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}
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this.findBar.updateResultsCount(matchCount);
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}.bind(this);
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this.findController.onUpdateState = function (state, previous, matchCount) {
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if (this.supportsIntegratedFind) {
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this.externalServices.updateFindControlState(
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{result: state, findPrevious: previous});
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} else {
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this.findBar.updateUIState(state, previous, matchCount);
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}
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}.bind(this);
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this.pdfViewer.setFindController(this.findController);
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// FIXME better PDFFindBar constructor parameters
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var findBarConfig = Object.create(appConfig.findBar);
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findBarConfig.findController = this.findController;
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findBarConfig.eventBus = this.eventBus;
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this.findBar = new PDFFindBar(findBarConfig);
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this.overlayManager = OverlayManager;
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this.handTool = new HandTool({
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container: container,
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eventBus: this.eventBus,
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self.initialized = true;
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});
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},
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this.pdfDocumentProperties =
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new PDFDocumentProperties(appConfig.documentProperties);
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this.toolbar = new Toolbar(appConfig.toolbar, container, eventBus);
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this.secondaryToolbar =
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new SecondaryToolbar(appConfig.secondaryToolbar, container, eventBus);
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if (this.supportsFullscreen) {
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this.pdfPresentationMode = new PDFPresentationMode({
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container: container,
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viewer: viewer,
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pdfViewer: this.pdfViewer,
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eventBus: this.eventBus,
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contextMenuItems: appConfig.fullscreen
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});
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}
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this.passwordPrompt = new PasswordPrompt(appConfig.passwordOverlay);
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this.pdfOutlineViewer = new PDFOutlineViewer({
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container: appConfig.sidebar.outlineView,
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eventBus: this.eventBus,
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linkService: pdfLinkService,
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});
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this.pdfAttachmentViewer = new PDFAttachmentViewer({
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container: appConfig.sidebar.attachmentsView,
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eventBus: this.eventBus,
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downloadManager: downloadManager
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});
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// FIXME better PDFSidebar constructor parameters
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var sidebarConfig = Object.create(appConfig.sidebar);
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sidebarConfig.pdfViewer = this.pdfViewer;
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sidebarConfig.pdfThumbnailViewer = this.pdfThumbnailViewer;
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sidebarConfig.pdfOutlineViewer = this.pdfOutlineViewer;
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sidebarConfig.eventBus = this.eventBus;
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this.pdfSidebar = new PDFSidebar(sidebarConfig);
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this.pdfSidebar.onToggled = this.forceRendering.bind(this);
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/**
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* @private
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*/
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_readPreferences: function () {
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var self = this;
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var PDFJS = pdfjsLib.PDFJS;
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var initializedPromise = Promise.all([
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return Promise.all([
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Preferences.get('enableWebGL').then(function resolved(value) {
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PDFJS.disableWebGL = !value;
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}),
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@ -401,16 +303,132 @@ var PDFViewerApplication = {
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}),
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// TODO move more preferences and other async stuff here
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]).catch(function (reason) { });
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},
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return initializedPromise.then(function () {
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if (self.isViewerEmbedded && !PDFJS.isExternalLinkTargetSet()) {
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// Prevent external links from "replacing" the viewer,
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// when it's embedded in e.g. an iframe or an object.
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PDFJS.externalLinkTarget = PDFJS.LinkTarget.TOP;
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}
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/**
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* @private
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*/
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_initializeViewerComponents: function () {
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var appConfig = this.appConfig;
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self.initialized = true;
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var eventBus = appConfig.eventBus || getGlobalEventBus();
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this.eventBus = eventBus;
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this.bindEvents();
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var pdfRenderingQueue = new PDFRenderingQueue();
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pdfRenderingQueue.onIdle = this.cleanup.bind(this);
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this.pdfRenderingQueue = pdfRenderingQueue;
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var pdfLinkService = new PDFLinkService({
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eventBus: eventBus
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});
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this.pdfLinkService = pdfLinkService;
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var downloadManager = this.externalServices.createDownloadManager();
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this.downloadManager = downloadManager;
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var container = appConfig.mainContainer;
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var viewer = appConfig.viewerContainer;
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this.pdfViewer = new PDFViewer({
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container: container,
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viewer: viewer,
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eventBus: eventBus,
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renderingQueue: pdfRenderingQueue,
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linkService: pdfLinkService,
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downloadManager: downloadManager,
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enhanceTextSelection: false,
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renderInteractiveForms: false,
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});
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pdfRenderingQueue.setViewer(this.pdfViewer);
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pdfLinkService.setViewer(this.pdfViewer);
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var thumbnailContainer = appConfig.sidebar.thumbnailView;
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this.pdfThumbnailViewer = new PDFThumbnailViewer({
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container: thumbnailContainer,
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renderingQueue: pdfRenderingQueue,
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linkService: pdfLinkService
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});
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pdfRenderingQueue.setThumbnailViewer(this.pdfThumbnailViewer);
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this.pdfHistory = new PDFHistory({
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linkService: pdfLinkService,
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eventBus: this.eventBus
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});
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pdfLinkService.setHistory(this.pdfHistory);
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this.findController = new PDFFindController({
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pdfViewer: this.pdfViewer
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});
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this.findController.onUpdateResultsCount = function (matchCount) {
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if (this.supportsIntegratedFind) {
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return;
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}
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this.findBar.updateResultsCount(matchCount);
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}.bind(this);
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this.findController.onUpdateState = function (state, previous, matchCount) {
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if (this.supportsIntegratedFind) {
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this.externalServices.updateFindControlState(
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{result: state, findPrevious: previous});
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} else {
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this.findBar.updateUIState(state, previous, matchCount);
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}
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}.bind(this);
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this.pdfViewer.setFindController(this.findController);
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// FIXME better PDFFindBar constructor parameters
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var findBarConfig = Object.create(appConfig.findBar);
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findBarConfig.findController = this.findController;
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findBarConfig.eventBus = this.eventBus;
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this.findBar = new PDFFindBar(findBarConfig);
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this.overlayManager = OverlayManager;
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this.handTool = new HandTool({
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container: container,
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eventBus: this.eventBus,
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});
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this.pdfDocumentProperties =
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new PDFDocumentProperties(appConfig.documentProperties);
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this.toolbar = new Toolbar(appConfig.toolbar, container, eventBus);
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this.secondaryToolbar =
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new SecondaryToolbar(appConfig.secondaryToolbar, container, eventBus);
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if (this.supportsFullscreen) {
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this.pdfPresentationMode = new PDFPresentationMode({
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container: container,
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viewer: viewer,
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pdfViewer: this.pdfViewer,
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eventBus: this.eventBus,
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contextMenuItems: appConfig.fullscreen
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});
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}
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this.passwordPrompt = new PasswordPrompt(appConfig.passwordOverlay);
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this.pdfOutlineViewer = new PDFOutlineViewer({
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container: appConfig.sidebar.outlineView,
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eventBus: this.eventBus,
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linkService: pdfLinkService,
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});
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this.pdfAttachmentViewer = new PDFAttachmentViewer({
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container: appConfig.sidebar.attachmentsView,
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eventBus: this.eventBus,
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downloadManager: downloadManager
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});
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// FIXME better PDFSidebar constructor parameters
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var sidebarConfig = Object.create(appConfig.sidebar);
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sidebarConfig.pdfViewer = this.pdfViewer;
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sidebarConfig.pdfThumbnailViewer = this.pdfThumbnailViewer;
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sidebarConfig.pdfOutlineViewer = this.pdfOutlineViewer;
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sidebarConfig.eventBus = this.eventBus;
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this.pdfSidebar = new PDFSidebar(sidebarConfig);
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this.pdfSidebar.onToggled = this.forceRendering.bind(this);
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},
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run: function pdfViewRun(config) {
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