b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
122 lines
3.7 KiB
JavaScript
Executable file
122 lines
3.7 KiB
JavaScript
Executable file
/** Creates an Attachment object
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* @param {String} type of attachment (image, video, etc).
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* @param {String} uri Location or datauri of image to show.
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* @param {Number} size Size of attachment in bytes.
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* @return {Attachment} new attachment object.
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*/
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/*global AttachmentRenderer, MimeMapper, MozActivity, Utils*/
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(function(exports) {
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'use strict';
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// Path to the folder that stores all saved attachments
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const ATTACHMENT_FOLDER_PATH = 'sms-attachments/';
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/**
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* Gets actual base file name (name.extension) from its path.
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* @param {String} filepath
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* @return {String} actual base file name i.e name.extension
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*/
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function getBaseName(filePath) {
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if (!filePath) {
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throw new Error('Filepath is not defined!');
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}
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return filePath.substring(filePath.lastIndexOf('/') + 1);
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}
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/**
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* set Property of Attachment from given blob and options object.
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* @param {Object, Object} (blob object, options object)
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*/
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function Attachment(blob, options) {
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options = options || {};
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this.blob = blob;
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this.isDraft = !!options.isDraft;
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this.name = blob.name || options.name || '';
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if (typeof this.name !== 'string') {
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this.name = '';
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}
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// force the _renderer property to be non enumerable so that we don't try to
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// store it in IndexedDB
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Object.defineProperty(this, '_renderer', { writable: true });
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}
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Attachment.prototype = {
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/* private methods */
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_getAttachmentRenderer: function() {
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this._renderer = this._renderer || AttachmentRenderer.for(this);
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return this._renderer;
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},
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/* public properties */
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get size() {
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return this.blob.size;
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},
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get type() {
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return Utils.typeFromMimeType(this.blob.type);
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},
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/* public methods */
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render: function(readyCallback) {
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var attachmentRenderer = this._getAttachmentRenderer();
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attachmentRenderer.render().catch(function(e) {
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console.error('Error occurred while rendering attachment.', e);
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}).then(readyCallback);
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// We still need this for the case where we render a list of attachments
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// and right order is important.
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return attachmentRenderer.getAttachmentContainer();
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},
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updateFileSize: function() {
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var attachmentRenderer = this._getAttachmentRenderer();
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attachmentRenderer.updateFileSize();
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},
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view: function(options) {
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// Make sure media is openable and savable even if
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// file extenion is missing or invalid but mimetype is supported.
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var l10nPromise = this.name ? Promise.resolve(this.name) :
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document.l10n.formatValue('unnamed-attachment');
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return l10nPromise.then(name => {
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// Make sure media is openable and savable even if
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// blob mimetype is unsupported but file extension is valid.
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var mimetype =
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MimeMapper.guessTypeFromFileProperties(
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name,
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this.blob.type.toLowerCase()
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);
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var filename = MimeMapper.ensureFilenameMatchesType(name, mimetype);
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// Override filename, so that every attachment that is saved via "open"
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// activity will be placed in the single location.
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filename = ATTACHMENT_FOLDER_PATH + getBaseName(filename);
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var activity = new MozActivity({
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name: 'open',
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data: {
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type: mimetype,
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filename: filename,
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blob: this.blob,
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allowSave: options && options.allowSave
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}
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});
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activity.onerror = function() {
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console.error('error with open activity', this.error.name);
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if (this.error.name === 'NO_PROVIDER') {
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Utils.alert('attachmentOpenError');
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}
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};
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});
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}
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};
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exports.Attachment = Attachment;
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}(this));
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