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The EventBus creation shouldn't be a responsibility of the pdf-viewer, so it was moved to a utility file. When pdfjs exports their methods contained in 'pdf.js/web/dom_events.js' these utility classes can be removed in favor of them.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| function _createEventBus(pdfJsViewer: any): any { | ||
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| const globalEventBus = new pdfJsViewer.EventBus(true); | ||
| attachDOMEventsToEventBus(globalEventBus); | ||
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| return globalEventBus; | ||
| } | ||
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| function attachDOMEventsToEventBus(eventBus: any) { | ||
| eventBus.on('documentload', function () { | ||
| const event = document.createEvent('CustomEvent'); | ||
| event.initCustomEvent('documentload', true, true, {}); | ||
| window.dispatchEvent(event); | ||
| }); | ||
| eventBus.on('pagerendered', function (evt) { | ||
| const event = document.createEvent('CustomEvent'); | ||
| event.initCustomEvent('pagerendered', true, true, { | ||
| pageNumber: evt.pageNumber, | ||
| cssTransform: evt.cssTransform, | ||
| }); | ||
| evt.source.div.dispatchEvent(event); | ||
| }); | ||
| eventBus.on('textlayerrendered', function (evt) { | ||
| const event = document.createEvent('CustomEvent'); | ||
| event.initCustomEvent('textlayerrendered', true, true, { | ||
| pageNumber: evt.pageNumber, | ||
| }); | ||
| evt.source.textLayerDiv.dispatchEvent(event); | ||
| }); | ||
| eventBus.on('pagechange', function (evt) { | ||
| const event = document.createEvent('UIEvents'); | ||
| event.initUIEvent('pagechange', true, true, window, 0); | ||
| event['pageNumber'] = evt.pageNumber; | ||
| evt.source.container.dispatchEvent(event); | ||
| }); | ||
| eventBus.on('pagesinit', function (evt) { | ||
| const event = document.createEvent('CustomEvent'); | ||
| event.initCustomEvent('pagesinit', true, true, null); | ||
| evt.source.container.dispatchEvent(event); | ||
| }); | ||
| eventBus.on('pagesloaded', function (evt) { | ||
| const event = document.createEvent('CustomEvent'); | ||
| event.initCustomEvent('pagesloaded', true, true, { | ||
| pagesCount: evt.pagesCount, | ||
| }); | ||
| evt.source.container.dispatchEvent(event); | ||
| }); | ||
| eventBus.on('scalechange', function (evt) { | ||
| const event = document.createEvent('UIEvents'); | ||
| event.initUIEvent('scalechange', true, true, window, 0); | ||
| event['scale'] = evt.scale; | ||
| event['presetValue'] = evt.presetValue; | ||
| evt.source.container.dispatchEvent(event); | ||
| }); | ||
| eventBus.on('updateviewarea', function (evt) { | ||
| const event = document.createEvent('UIEvents'); | ||
| event.initUIEvent('updateviewarea', true, true, window, 0); | ||
| event['location'] = evt.location; | ||
| evt.source.container.dispatchEvent(event); | ||
| }); | ||
| eventBus.on('find', function (evt) { | ||
| if (evt.source === window) { | ||
| return; // event comes from FirefoxCom, no need to replicate | ||
| } | ||
| const event = document.createEvent('CustomEvent'); | ||
| event.initCustomEvent('find' + evt.type, true, true, { | ||
| query: evt.query, | ||
| phraseSearch: evt.phraseSearch, | ||
| caseSensitive: evt.caseSensitive, | ||
| highlightAll: evt.highlightAll, | ||
| findPrevious: evt.findPrevious, | ||
| }); | ||
| window.dispatchEvent(event); | ||
| }); | ||
| eventBus.on('attachmentsloaded', function (evt) { | ||
| const event = document.createEvent('CustomEvent'); | ||
| event.initCustomEvent('attachmentsloaded', true, true, { | ||
| attachmentsCount: evt.attachmentsCount, | ||
| }); | ||
| evt.source.container.dispatchEvent(event); | ||
| }); | ||
| eventBus.on('sidebarviewchanged', function (evt) { | ||
| const event = document.createEvent('CustomEvent'); | ||
| event.initCustomEvent('sidebarviewchanged', true, true, { | ||
| view: evt.view, | ||
| }); | ||
| evt.source.outerContainer.dispatchEvent(event); | ||
| }); | ||
| eventBus.on('pagemode', function (evt) { | ||
| const event = document.createEvent('CustomEvent'); | ||
| event.initCustomEvent('pagemode', true, true, { | ||
| mode: evt.mode, | ||
| }); | ||
| evt.source.pdfViewer.container.dispatchEvent(event); | ||
| }); | ||
| eventBus.on('namedaction', function (evt) { | ||
| const event = document.createEvent('CustomEvent'); | ||
| event.initCustomEvent('namedaction', true, true, { | ||
| action: evt.action, | ||
| }); | ||
| evt.source.pdfViewer.container.dispatchEvent(event); | ||
| }); | ||
| eventBus.on('presentationmodechanged', function (evt) { | ||
| const event = document.createEvent('CustomEvent'); | ||
| event.initCustomEvent('presentationmodechanged', true, true, { | ||
| active: evt.active, | ||
| switchInProgress: evt.switchInProgress, | ||
| }); | ||
| window.dispatchEvent(event); | ||
| }); | ||
| eventBus.on('outlineloaded', function (evt) { | ||
| const event = document.createEvent('CustomEvent'); | ||
| event.initCustomEvent('outlineloaded', true, true, { | ||
| outlineCount: evt.outlineCount, | ||
| }); | ||
| evt.source.container.dispatchEvent(event); | ||
| }); | ||
| } | ||
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| export const createEventBus = _createEventBus; |