diff options
Diffstat (limited to 'js/util.js')
| -rw-r--r-- | js/util.js | 175 |
1 files changed, 117 insertions, 58 deletions
diff --git a/js/util.js b/js/util.js index 1989e92c0..ea1dd1847 100644 --- a/js/util.js +++ b/js/util.js @@ -59,6 +59,15 @@ var SN = { // StatusNet } }, + messages: {}, + msg: function(key) { + if (typeof SN.messages[key] == "undefined") { + return '[' + key + ']'; + } else { + return SN.messages[key]; + } + }, + U: { // Utils FormNoticeEnhancements: function(form) { if (jQuery.data(form[0], 'ElementData') === undefined) { @@ -227,8 +236,9 @@ var SN = { // StatusNet form.append('<p class="form_response error">Sorry! We had trouble sending your notice. The servers are overloaded. Please try again, and contact the site administrator if this problem persists.</p>'); } else { - if ($('.'+SN.C.S.Error, xhr.responseXML).length > 0) { - form.append(document._importNode($('.'+SN.C.S.Error, xhr.responseXML)[0], true)); + var response = SN.U.GetResponseXML(xhr); + if ($('.'+SN.C.S.Error, response).length > 0) { + form.append(document._importNode($('.'+SN.C.S.Error, response)[0], true)); } else { if (parseInt(xhr.status) === 0 || jQuery.inArray(parseInt(xhr.status), SN.C.I.HTTP20x30x) >= 0) { @@ -317,6 +327,16 @@ var SN = { // StatusNet }); }, + GetResponseXML: function(xhr) { + // Work around unavailable responseXML when document.domain + // has been modified by Meteor or other tools. + try { + return xhr.responseXML; + } catch (e) { + return (new DOMParser()).parseFromString(xhr.responseText, "text/xml"); + } + }, + NoticeReply: function() { if ($('#'+SN.C.S.NoticeDataText).length > 0 && $('#content .notice_reply').length > 0) { $('#content .notice').each(function() { SN.U.NoticeReplyTo($(this)); }); @@ -416,62 +436,7 @@ var SN = { // StatusNet }); return false; - }); - } - else { - $.fn.jOverlay.options = { - method : 'GET', - data : '', - url : '', - color : '#000', - opacity : '0.6', - zIndex : 9999, - center : false, - imgLoading : $('address .url')[0].href+'theme/base/images/illustrations/illu_progress_loading-01.gif', - bgClickToClose : true, - success : function() { - $('#jOverlayContent').append('<button class="close">×</button>'); - $('#jOverlayContent button').click($.closeOverlay); - }, - timeout : 0, - autoHide : true, - css : {'max-width':'542px', 'top':'5%', 'left':'32.5%'} - }; - - notice.find('a.attachment').click(function() { - var attachId = ($(this).attr('id').substring('attachment'.length + 1)); - if (attachId) { - $().jOverlay({url: $('address .url')[0].href+'attachment/' + attachId + '/ajax'}); - return false; - } - }); - - if ($('#shownotice').length == 0) { - var t; - notice.find('a.thumbnail').hover( - function() { - var anchor = $(this); - $('a.thumbnail').children('img').hide(); - anchor.closest(".entry-title").addClass('ov'); - - if (anchor.children('img').length === 0) { - t = setTimeout(function() { - $.get($('address .url')[0].href+'attachment/' + (anchor.attr('id').substring('attachment'.length + 1)) + '/thumbnail', null, function(data) { - anchor.append(data); - }); - }, 500); - } - else { - anchor.children('img').show(); - } - }, - function() { - clearTimeout(t); - $('a.thumbnail').children('img').hide(); - $(this).closest('.entry-title').removeClass('ov'); - } - ); - } + }).attr('title', SN.msg('showmore_tooltip')); } }, @@ -492,9 +457,103 @@ var SN = { // StatusNet return false; }); + if (typeof this.files == "object") { + // Some newer browsers will let us fetch the files for preview. + for (var i = 0; i < this.files.length; i++) { + SN.U.PreviewAttach(this.files[i]); + } + } }); }, + /** + * For browsers with FileAPI support: make a thumbnail if possible, + * and append it into the attachment display widget. + * + * Known good: + * - Firefox 3.6.6, 4.0b7 + * - Chrome 8.0.552.210 + * + * Known ok metadata, can't get contents: + * - Safari 5.0.2 + * + * Known fail: + * - Opera 10.63, 11 beta (no input.files interface) + * + * @param {File} file + * + * @todo use configured thumbnail size + * @todo detect pixel size? + * @todo should we render a thumbnail to a canvas and then use the smaller image? + */ + PreviewAttach: function(file) { + var tooltip = file.type + ' ' + Math.round(file.size / 1024) + 'KB'; + var preview = true; + + var blobAsDataURL; + if (typeof window.createObjectURL != "undefined") { + /** + * createObjectURL lets us reference the file directly from an <img> + * This produces a compact URL with an opaque reference to the file, + * which we can reference immediately. + * + * - Firefox 3.6.6: no + * - Firefox 4.0b7: no + * - Safari 5.0.2: no + * - Chrome 8.0.552.210: works! + */ + blobAsDataURL = function(blob, callback) { + callback(window.createObjectURL(blob)); + } + } else if (typeof window.FileReader != "undefined") { + /** + * FileAPI's FileReader can build a data URL from a blob's contents, + * but it must read the file and build it asynchronously. This means + * we'll be passing a giant data URL around, which may be inefficient. + * + * - Firefox 3.6.6: works! + * - Firefox 4.0b7: works! + * - Safari 5.0.2: no + * - Chrome 8.0.552.210: works! + */ + blobAsDataURL = function(blob, callback) { + var reader = new FileReader(); + reader.onload = function(event) { + callback(reader.result); + } + reader.readAsDataURL(blob); + } + } else { + preview = false; + } + + var imageTypes = ['image/png', 'image/jpeg', 'image/gif', 'image/svg+xml']; + if ($.inArray(file.type, imageTypes) == -1) { + // We probably don't know how to show the file. + preview = false; + } + + var maxSize = 8 * 1024 * 1024; + if (file.size > maxSize) { + // Don't kill the browser trying to load some giant image. + preview = false; + } + + if (preview) { + blobAsDataURL(file, function(url) { + var img = $('<img>') + .attr('title', tooltip) + .attr('alt', tooltip) + .attr('src', url) + .attr('style', 'height: 120px'); + $('#'+SN.C.S.NoticeDataAttachSelected).append(img); + }); + } else { + var img = $('<div></div>').text(tooltip); + $('#'+SN.C.S.NoticeDataAttachSelected).append(img); + } + }, + NoticeLocationAttach: function() { var NLat = $('#'+SN.C.S.NoticeLat).val(); var NLon = $('#'+SN.C.S.NoticeLon).val(); |