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/* global oc_requesttoken, FileList, SlideShow */
(function ($, OC, OCA, oc_requesttoken) {
"use strict";
var galleryFileAction = {
features: [],
mediaTypes: {},
scrollContainer: null,
slideShow: null,
/**
* Builds a URL pointing to one of the app's controllers
*
* @param {string} endPoint
* @param {undefined|string} path
* @param {Object} params
*
* @returns {string}
*/
buildGalleryUrl: function (endPoint, path, params) {
var extension = '';
var tokenElement = $('#sharingToken');
var token = (tokenElement.val()) ? tokenElement.val() : false;
if (token) {
params.token = token;
extension = '.public';
}
var query = OC.buildQueryString(params);
return OC.generateUrl('apps/gallery/' + endPoint + extension + path, null) + '?' +
query;
},
/**
* Registers a file action for each media type
*
* @param {Array} mediaTypes
*/
register: function (mediaTypes) {
//console.log("enabledPreviewProviders: ", mediaTypes);
if (mediaTypes) {
galleryFileAction.mediaTypes = mediaTypes;
}
var i, mediaTypesLength = mediaTypes.length;
// We only want to create slideshows for supported media types
for (i = 0; i < mediaTypesLength; i++) {
// Each click handler gets the same function and images array and
// is responsible to load the slideshow
OCA.Files.fileActions.register(mediaTypes[i], 'View', OC.PERMISSION_READ, '',
galleryFileAction.onView);
OCA.Files.fileActions.setDefault(mediaTypes[i], 'View');
}
},
/**
* Prepares the features array
*
* @param configFeatures
* @returns {Array}
*/
buildFeaturesList: function (configFeatures) {
var features = [];
var feature = null;
if (!$.isEmptyObject(configFeatures)) {
for (var i = 0, keys = Object.keys(configFeatures); i < keys.length; i++) {
feature = keys[i];
features.push(feature);
}
}
window.galleryFileAction.features = features;
},
/**
* Builds an array containing all the images we can show in the slideshow
*
* @param {string} filename
* @param {Object} context
*/
onView: function (filename, context) {
var imageUrl, downloadUrl;
var fileList = context.fileList;
var files = fileList.files;
var start = 0;
var images = [];
var dir = context.dir + '/';
var width = Math.floor(screen.width * window.devicePixelRatio);
var height = Math.floor(screen.height * window.devicePixelRatio);
/* Find value of longest edge. */
var longEdge = Math.max(width, height);
/* Find the next larger image size. */
if (longEdge % 100 !== 0) {
longEdge = ( longEdge + 100 ) - ( longEdge % 100 );
}
for (var i = 0; i < files.length; i++) {
var file = files[i];
// We only add images to the slideshow if we think we'll be able
// to generate previews for this media type
if (galleryFileAction.mediaTypes.indexOf(file.mimetype) > -1) {
/* jshint camelcase: false */
var params = {
width: longEdge,
height: longEdge,
c: file.etag,
requesttoken: oc_requesttoken
};
imageUrl = galleryFileAction.buildGalleryUrl('preview', '/' + file.id, params);
params = {
c: file.etag,
requesttoken: oc_requesttoken
};
downloadUrl =
galleryFileAction.buildGalleryUrl('files', '/download/' + file.id, params);
images.push({
name: file.name,
path: dir + file.name,
fileId: file.id,
mimeType: file.mimetype,
url: imageUrl,
downloadUrl: downloadUrl
});
}
}
for (i = 0; i < images.length; i++) {
//console.log("Images in the slideshow : ", images[i]);
if (images[i].name === filename) {
start = i;
}
}
if ($.isEmptyObject(galleryFileAction.slideShow)) {
galleryFileAction.slideShow = new SlideShow();
$.when(galleryFileAction.slideShow.init(
false,
null,
window.galleryFileAction.features
)).then(function () {
// Don't show the download button on the "Files" slideshow
galleryFileAction.slideShow.removeButton('.downloadImage');
galleryFileAction._startSlideshow(images, start);
});
} else {
galleryFileAction._startSlideshow(images, start);
}
},
/**
* Launches the slideshow
*
* @param {{name:string, url: string, path: string, fallBack: string}[]} images
* @param {number} start
* @private
*/
_startSlideshow: function (images, start) {
galleryFileAction.slideShow.setImages(images, false);
var scrollTop = galleryFileAction.scrollContainer.scrollTop();
// This is only called when the slideshow is stopped
galleryFileAction.slideShow.onStop = function () {
FileList.$fileList.one('updated', function () {
galleryFileAction.scrollContainer.scrollTop(scrollTop);
});
};
// Only modern browsers can manipulate history
if (history && history.replaceState) {
// This stores the fileslist in the history state
var stateData = {
dir: FileList.getCurrentDirectory()
};
history.replaceState(stateData, document.title, window.location);
// This creates a new entry in history for the slideshow. It will
// be updated as the user navigates from picture to picture
history.pushState(null, '', '#loading');
}
galleryFileAction.slideShow.show(start);
}
};
window.galleryFileAction = galleryFileAction;
})(jQuery, OC, OCA, oc_requesttoken);
$(document).ready(function () {
"use strict";
// Deactivates fileaction on public preview page
if ($('#imgframe').length > 0) {
return true;
}
window.galleryFileAction.scrollContainer = $('#app-content');
if ($('#isPublic').val()) {
window.galleryFileAction.scrollContainer = $(window);
}
// Retrieve the config as well as the list of supported media types.
// The list of media files is retrieved when the user clicks on a row
var url = window.galleryFileAction.buildGalleryUrl('config', '', {extramediatypes: 1});
$.getJSON(url).then(function (config) {
window.galleryFileAction.buildFeaturesList(config.features);
window.galleryFileAction.register(config.mediatypes);
});
});
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