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75 lines
2.3 KiB
JavaScript
75 lines
2.3 KiB
JavaScript
/* vim: ts=4:sw=4:expandtab
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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(function () {
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'use strict';
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var ImageView = Backbone.View.extend({
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tagName: 'img',
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events: {
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'load': 'update'
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},
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update: function() {
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this.$el.trigger('update');
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},
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render: function(dataUrl) {
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this.$el.attr('src', dataUrl);
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return this;
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}
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});
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var MediaView = Backbone.View.extend({
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initialize: function() {
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this.$el.attr('controls', '');
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},
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events: {
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'loadeddata': 'update'
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},
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update: function() {
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this.$el.trigger('update');
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},
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render: function(dataUrl, contentType) {
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var $el = $('<source>');
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$el.attr('src', dataUrl);
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$el.attr('type', contentType);
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this.$el.append($el);
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return this;
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}
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});
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var AudioView = MediaView.extend({ tagName: 'audio' });
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var VideoView = MediaView.extend({ tagName: 'video' });
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Whisper.AttachmentView = Backbone.View.extend({
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tagName: 'span',
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className: 'attachment',
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render: function() {
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var view;
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switch(this.model.contentType.split('/')[0]) {
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case 'image': view = new ImageView(); break;
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case 'audio': view = new AudioView(); break;
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case 'video': view = new VideoView(); break;
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default:
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throw 'Unsupported attachment type';
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}
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view.$el.appendTo(this.$el);
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var blob = new Blob([this.model.data], {type: this.model.contentType});
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view.render(window.URL.createObjectURL(blob), this.model.contentType);
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return this;
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}
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});
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})();
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