47 lines
1.2 KiB
JavaScript
Executable File
47 lines
1.2 KiB
JavaScript
Executable File
import Auth from '/imports/ui/services/auth';
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import Presentations from '/imports/api/presentations';
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import { makeCall } from '/imports/ui/services/api';
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import { throttle } from 'lodash';
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const PAN_ZOOM_INTERVAL = Meteor.settings.public.presentation.panZoomInterval || 200;
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const getNumberOfSlides = (podId, presentationId) => {
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const meetingId = Auth.meetingID;
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const presentation = Presentations.findOne({
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meetingId,
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podId,
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id: presentationId,
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});
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return presentation && presentation.pages ? presentation.pages.length : 0;
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};
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const previousSlide = (currentSlideNum, podId) => {
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if (currentSlideNum > 1) {
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makeCall('switchSlide', currentSlideNum - 1, podId);
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}
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};
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const nextSlide = (currentSlideNum, numberOfSlides, podId) => {
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if (currentSlideNum < numberOfSlides) {
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makeCall('switchSlide', currentSlideNum + 1, podId);
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}
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};
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const zoomSlide = throttle((currentSlideNum, podId, zoom, xCamera, yCamera) => {
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makeCall('zoomSlide', currentSlideNum, podId, zoom, xCamera, yCamera);
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}, PAN_ZOOM_INTERVAL);
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const skipToSlide = (requestedSlideNum, podId) => {
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makeCall('switchSlide', requestedSlideNum, podId);
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};
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export default {
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getNumberOfSlides,
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nextSlide,
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previousSlide,
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skipToSlide,
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zoomSlide,
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};
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