You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
508 lines
12 KiB
508 lines
12 KiB
5 years ago
|
/**
|
||
|
* Nextcloud - Gallery
|
||
|
*
|
||
|
*
|
||
|
* This file is licensed under the Affero General Public License version 3 or
|
||
|
* later. See the COPYING file.
|
||
|
*
|
||
|
* @author Olivier Paroz <galleryapps@oparoz.com>
|
||
|
*
|
||
|
* @copyright Olivier Paroz 2017
|
||
|
*/
|
||
|
/* global OC, SlideShow */
|
||
|
(function ($, SlideShow) {
|
||
|
"use strict";
|
||
|
/**
|
||
|
* Button and key controls for the slideshow
|
||
|
*
|
||
|
* @param {Object} slideshow
|
||
|
* @param {*} container
|
||
|
* @param {Object} zoomablePreview
|
||
|
* @param {number} interval
|
||
|
* @param {Array} features
|
||
|
* @param {Function} restoreContentCallback
|
||
|
* @constructor
|
||
|
*/
|
||
|
var Controls = function (slideshow, container, zoomablePreview, interval, features, restoreContentCallback) {
|
||
|
this.slideshow = slideshow;
|
||
|
this.container = container;
|
||
|
this.zoomablePreview = zoomablePreview;
|
||
|
this.progressBar = container.find('.progress');
|
||
|
this.interval = interval || 5000;
|
||
|
if (features.indexOf('background_colour_toggle') > -1) {
|
||
|
this.backgroundToggle = true;
|
||
|
}
|
||
|
this.restoreContentCallback = restoreContentCallback;
|
||
|
};
|
||
|
|
||
|
Controls.prototype = {
|
||
|
current: 0,
|
||
|
errorLoadingImage: false,
|
||
|
playTimeout: 0,
|
||
|
playing: false,
|
||
|
active: false,
|
||
|
backgroundToggle: false,
|
||
|
|
||
|
/**
|
||
|
* Initialises the controls
|
||
|
*/
|
||
|
init: function () {
|
||
|
var makeCallBack = function (handler) {
|
||
|
return function (evt) {
|
||
|
if (!this.active) {
|
||
|
return;
|
||
|
}
|
||
|
evt.stopPropagation();
|
||
|
evt.preventDefault();
|
||
|
handler.call(this);
|
||
|
}.bind(this);
|
||
|
}.bind(this);
|
||
|
|
||
|
this._buttonSetup(makeCallBack);
|
||
|
this._specialButtonSetup(makeCallBack);
|
||
|
this._keyCodeSetup(makeCallBack);
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Updates the controls
|
||
|
*
|
||
|
* @param {{name:string, url: string, path: string, fallBack: string}[]} images
|
||
|
* @param {boolean} autoPlay
|
||
|
*/
|
||
|
update: function (images, autoPlay) {
|
||
|
this.images = images;
|
||
|
this.active = true;
|
||
|
this.showButton('.play');
|
||
|
this.hideButton('.pause, .progress');
|
||
|
this.playing = false;
|
||
|
|
||
|
// Hide prev/next and play buttons when we only have one pic
|
||
|
this.container.find('.next, .previous, .play').toggle(this.images.length > 1);
|
||
|
|
||
|
// Hide the action buttons until we have something to show
|
||
|
this.hideActionButtons();
|
||
|
|
||
|
if (autoPlay) {
|
||
|
this._playPauseToggle();
|
||
|
}
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Initialises local variables when the show starts
|
||
|
*
|
||
|
* @param {number} currentImageId
|
||
|
*/
|
||
|
show: function (currentImageId) {
|
||
|
var currentImage = this.images[currentImageId];
|
||
|
this.current = currentImageId;
|
||
|
this.errorLoadingImage = false;
|
||
|
if (this.playing) {
|
||
|
this._setTimeout();
|
||
|
}
|
||
|
this._setName(currentImage.name);
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Stops and hides the slideshow
|
||
|
*/
|
||
|
stop: function () {
|
||
|
this._setName('');
|
||
|
this.playing = false;
|
||
|
this.slideshow.stop();
|
||
|
this.zoomablePreview.stop();
|
||
|
|
||
|
this._clearTimeout();
|
||
|
this.restoreContentCallback();
|
||
|
this.container.hide();
|
||
|
this.active = false;
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Updates the private variables in case of problems loading an image
|
||
|
*
|
||
|
* @param {Array} images
|
||
|
* @param {boolean} errorLoadingImage
|
||
|
*/
|
||
|
updateControls: function (images, errorLoadingImage) {
|
||
|
this.images = images;
|
||
|
this.errorLoadingImage = errorLoadingImage;
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Shows the action buttons
|
||
|
*
|
||
|
* @param {boolean} transparent
|
||
|
* @param {boolean} isPublic
|
||
|
* @param {number} permissions
|
||
|
*/
|
||
|
showActionButtons: function (transparent, isPublic, permissions) {
|
||
|
if (transparent) {
|
||
|
this._showBackgroundToggle();
|
||
|
}
|
||
|
var hideDownload = $('#hideDownload').val();
|
||
|
if (hideDownload !== 'true') {
|
||
|
this.showButton('.downloadImage');
|
||
|
}
|
||
|
var canDelete = ((permissions & OC.PERMISSION_DELETE) !== 0);
|
||
|
var canShare = ((permissions & OC.PERMISSION_SHARE) !== 0);
|
||
|
if (!isPublic && canDelete) {
|
||
|
this.showButton('.deleteImage');
|
||
|
}
|
||
|
if (!isPublic && canShare) {
|
||
|
this.showButton('.shareImage');
|
||
|
}
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Hides the action buttons
|
||
|
*/
|
||
|
hideActionButtons: function () {
|
||
|
this.hideButton('.changeBackground');
|
||
|
this.hideButton('.downloadImage');
|
||
|
this.hideButton('.deleteImage');
|
||
|
this.hideButton('.shareImage');
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Shows a button which has been hidden
|
||
|
*/
|
||
|
showButton: function (button) {
|
||
|
this.container.find(button).removeClass('hidden');
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Hides a button
|
||
|
*
|
||
|
* @param button
|
||
|
*/
|
||
|
hideButton: function (button) {
|
||
|
this.container.find(button).addClass('hidden');
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Removes a button
|
||
|
*
|
||
|
* @param button
|
||
|
*/
|
||
|
removeButton: function (button) {
|
||
|
this.container.find(button).remove();
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Sets up the button based navigation
|
||
|
*
|
||
|
* @param {Function} makeCallBack
|
||
|
* @private
|
||
|
*/
|
||
|
_buttonSetup: function (makeCallBack) {
|
||
|
this.container.children('.next').click(makeCallBack(this._next));
|
||
|
this.container.children('.previous').click(makeCallBack(this._previous));
|
||
|
this.container.children('.exit').click(makeCallBack(this._exit));
|
||
|
this.container.children('.pause, .play').click(makeCallBack(this._playPauseToggle));
|
||
|
this.progressBar.click(makeCallBack(this._playPauseToggle));
|
||
|
this.container.children('.previous, .next, .slideshow-menu, .name').on(
|
||
|
'mousewheel DOMMouseScroll mousemove', function (evn) {
|
||
|
this.container.children('.bigshotContainer')[0].dispatchEvent(
|
||
|
new WheelEvent(evn.originalEvent.type, evn.originalEvent));
|
||
|
}.bind(this));
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Sets up additional buttons
|
||
|
*
|
||
|
* @param {Function} makeCallBack
|
||
|
* @private
|
||
|
*/
|
||
|
_specialButtonSetup: function (makeCallBack) {
|
||
|
this.container.find('.downloadImage').click(makeCallBack(this._getImageDownload));
|
||
|
this.container.find('.deleteImage').click(makeCallBack(this._deleteImage));
|
||
|
this.container.find('.shareImage').click(makeCallBack(this.share));
|
||
|
this.container.find('.slideshow-menu').width = 52;
|
||
|
if (this.backgroundToggle) {
|
||
|
this.container.find('.changeBackground').click(
|
||
|
makeCallBack(this._toggleBackground));
|
||
|
this.container.find('.slideshow-menu').width += 52;
|
||
|
} else {
|
||
|
this.hideButton('.changeBackground');
|
||
|
}
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Populates the share dialog with the needed information
|
||
|
*/
|
||
|
share: function () {
|
||
|
var image = this.images[this.current];
|
||
|
if (!Gallery.Share.droppedDown) {
|
||
|
|
||
|
$('.slideshow-menu a.share').data('path', image.path)
|
||
|
.data('link', true)
|
||
|
.data('item-source', image.file)
|
||
|
.data('possible-permissions', image.permissions)
|
||
|
.click();
|
||
|
}
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Shows the background colour switcher, if activated in the configuration
|
||
|
*/
|
||
|
_showBackgroundToggle: function () {
|
||
|
if (this.backgroundToggle) {
|
||
|
this.showButton('.changeBackground');
|
||
|
}
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Sets up the key based controls
|
||
|
*
|
||
|
* @param {Function} makeCallBack
|
||
|
* @private
|
||
|
*/
|
||
|
_keyCodeSetup: function (makeCallBack) {
|
||
|
$(document).keyup(function (evt) {
|
||
|
if (evt.target.tagName.toLowerCase() === 'input') {
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
var escKey = 27;
|
||
|
var leftKey = 37;
|
||
|
var rightKey = 39;
|
||
|
var spaceKey = 32;
|
||
|
var fKey = 70;
|
||
|
var zoomOutKeys = [48, 96, 79, 40]; // zeros, o or down key
|
||
|
var zoomInKeys = [57, 105, 73, 38]; // 9, i or up key
|
||
|
if (evt.keyCode === escKey) {
|
||
|
makeCallBack(this._exit)(evt);
|
||
|
} else if (evt.keyCode === leftKey) {
|
||
|
makeCallBack(this._previous)(evt);
|
||
|
} else if (evt.keyCode === rightKey) {
|
||
|
makeCallBack(this._next)(evt);
|
||
|
} else if (evt.keyCode === spaceKey) {
|
||
|
makeCallBack(this._playPauseToggle)(evt);
|
||
|
} else if (evt.keyCode === fKey) {
|
||
|
makeCallBack(this._fullScreenToggle)(evt);
|
||
|
} else if (this._hasKeyBeenPressed(evt, zoomOutKeys)) {
|
||
|
makeCallBack(this._zoomToOriginal)(evt);
|
||
|
} else if (this._hasKeyBeenPressed(evt, zoomInKeys)) {
|
||
|
makeCallBack(this._zoomToFit)(evt);
|
||
|
}
|
||
|
}.bind(this));
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Determines if a key has been pressed by comparing the event and the key
|
||
|
*
|
||
|
* @param evt
|
||
|
* @param {Array} keys
|
||
|
*
|
||
|
* @returns {boolean}
|
||
|
* @private
|
||
|
*/
|
||
|
_hasKeyBeenPressed: function (evt, keys) {
|
||
|
var i, keysLength = keys.length;
|
||
|
for (i = 0; i < keysLength; i++) {
|
||
|
if (evt.keyCode === keys[i]) {
|
||
|
return true;
|
||
|
}
|
||
|
}
|
||
|
return false;
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Starts the slideshow timer
|
||
|
*
|
||
|
* @private
|
||
|
*/
|
||
|
_setTimeout: function () {
|
||
|
this._clearTimeout();
|
||
|
this.playTimeout = setTimeout(this._next.bind(this), this.interval);
|
||
|
this.progressBar.stop();
|
||
|
this.progressBar.css('height', '6px');
|
||
|
this.progressBar.animate({'height': '26px'}, this.interval, 'linear');
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Stops the slideshow timer
|
||
|
*
|
||
|
* @private
|
||
|
*/
|
||
|
_clearTimeout: function () {
|
||
|
if (this.playTimeout) {
|
||
|
clearTimeout(this.playTimeout);
|
||
|
}
|
||
|
this.progressBar.stop();
|
||
|
this.progressBar.css('height', '6px');
|
||
|
this.playTimeout = 0;
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Starts/stops autoplay and shows/hides the play/pause buttons
|
||
|
*
|
||
|
* @private
|
||
|
*/
|
||
|
_playPauseToggle: function () {
|
||
|
if (this.playing === true) {
|
||
|
this.playing = false;
|
||
|
this._clearTimeout();
|
||
|
} else {
|
||
|
this.playing = true;
|
||
|
this._setTimeout();
|
||
|
}
|
||
|
|
||
|
this.container.find('.play, .pause, .progress').toggleClass('hidden');
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Shows the next slide
|
||
|
*
|
||
|
* @private
|
||
|
*/
|
||
|
_next: function () {
|
||
|
if(Gallery.Share){
|
||
|
Gallery.Share.hideDropDown();
|
||
|
}
|
||
|
this._setName('');
|
||
|
this.slideshow.hideErrorNotification();
|
||
|
this.zoomablePreview.reset();
|
||
|
|
||
|
if (this.errorLoadingImage) {
|
||
|
this.current -= 1;
|
||
|
}
|
||
|
this.current = (this.current + 1) % this.images.length;
|
||
|
var next = (this.current + 1) % this.images.length;
|
||
|
this._updateSlideshow(next);
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Shows the previous slide
|
||
|
*
|
||
|
* @private
|
||
|
*/
|
||
|
_previous: function () {
|
||
|
if(Gallery.Share){
|
||
|
Gallery.Share.hideDropDown();
|
||
|
}
|
||
|
this._setName('');
|
||
|
this.slideshow.hideErrorNotification();
|
||
|
this.zoomablePreview.reset();
|
||
|
|
||
|
this.current = (this.current - 1 + this.images.length) % this.images.length;
|
||
|
var previous = (this.current - 1 + this.images.length) % this.images.length;
|
||
|
this._updateSlideshow(previous);
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Asks the slideshow for the next image
|
||
|
*
|
||
|
* @param {number} imageId
|
||
|
* @private
|
||
|
*/
|
||
|
_updateSlideshow: function (imageId) {
|
||
|
this.slideshow.next(this.current, this.images[imageId]);
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Exits the slideshow by going back in history
|
||
|
*
|
||
|
* @private
|
||
|
*/
|
||
|
_exit: function () {
|
||
|
if (Gallery.Share){
|
||
|
Gallery.Share.hideDropDown();
|
||
|
}
|
||
|
|
||
|
// Only modern browsers can manipulate history
|
||
|
if (history && history.replaceState) {
|
||
|
// We simulate a click on the back button in order to be consistent
|
||
|
window.history.back();
|
||
|
} else {
|
||
|
// For ancient browsers supported in core
|
||
|
this.stop();
|
||
|
}
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Launches fullscreen mode if the browser supports it
|
||
|
*
|
||
|
* @private
|
||
|
*/
|
||
|
_fullScreenToggle: function () {
|
||
|
this.zoomablePreview.fullScreenToggle();
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Resizes the image to its original size
|
||
|
*
|
||
|
* @private
|
||
|
*/
|
||
|
_zoomToOriginal: function () {
|
||
|
this.zoomablePreview.zoomToOriginal();
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Fits the image in the browser window
|
||
|
*
|
||
|
* @private
|
||
|
*/
|
||
|
_zoomToFit: function () {
|
||
|
this.zoomablePreview.zoomToFit();
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Sends the current image as a download
|
||
|
*
|
||
|
* @returns {boolean}
|
||
|
* @private
|
||
|
*/
|
||
|
_getImageDownload: function () {
|
||
|
var downloadUrl = this.images[this.current].downloadUrl;
|
||
|
|
||
|
return this.slideshow.getImageDownload(downloadUrl);
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Changes the colour of the background of the image
|
||
|
*
|
||
|
* @private
|
||
|
*/
|
||
|
_toggleBackground: function () {
|
||
|
this.slideshow.toggleBackground();
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Shows the filename of the current image
|
||
|
* @param {string} imageName
|
||
|
* @private
|
||
|
*/
|
||
|
_setName: function (imageName) {
|
||
|
var nameElement = this.container.find('.title');
|
||
|
nameElement.text(imageName);
|
||
|
},
|
||
|
|
||
|
/**
|
||
|
* Delete the image from the slideshow
|
||
|
* @private
|
||
|
*/
|
||
|
_deleteImage: function () {
|
||
|
var image = this.images[this.current];
|
||
|
var self = this;
|
||
|
$.ajax({
|
||
|
type: 'DELETE',
|
||
|
url: OC.getRootPath() + '/remote.php/webdav/' + image.path,
|
||
|
success: function () {
|
||
|
self.slideshow.deleteImage(image, self.current);
|
||
|
self.images.splice(self.current, 1);
|
||
|
if (self.images.length === 0) {
|
||
|
self._exit();
|
||
|
}
|
||
|
else {
|
||
|
self.current = self.current % self.images.length;
|
||
|
self._updateSlideshow(self.current);
|
||
|
}
|
||
|
}
|
||
|
});
|
||
|
}
|
||
|
};
|
||
|
|
||
|
SlideShow.Controls = Controls;
|
||
|
})(jQuery, SlideShow);
|