From ae6d2de17f740915e47c64d210680eb5e9850335 Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Wed, 06 Jun 2012 11:35:21 -0400
Subject: [PATCH] New feature to add mail attachments using drag & drop on HTML5 enabled browsers
---
program/js/app.js | 282 ++++++++++++++++++++++++++++++++++++++++++++++++++-----
1 files changed, 253 insertions(+), 29 deletions(-)
diff --git a/program/js/app.js b/program/js/app.js
index c440d16..b3d3aed 100644
--- a/program/js/app.js
+++ b/program/js/app.js
@@ -17,8 +17,6 @@
+-----------------------------------------------------------------------+
| Requires: jquery.js, common.js, list.js |
+-----------------------------------------------------------------------+
-
- $Id$
*/
function rcube_webmail()
@@ -309,6 +307,10 @@
this.http_post(postact, postdata);
}
+ // detect browser capabilities
+ if (!this.is_framed())
+ this.browser_capabilities_check();
+
break;
case 'addressbook':
@@ -455,6 +457,14 @@
// map implicit containers
if (this.gui_objects.folderlist)
this.gui_containers.foldertray = $(this.gui_objects.folderlist);
+
+ // activate html5 file drop feature (if browser supports it and if configured)
+ if (this.gui_objects.filedrop && this.env.filedrop && ((XMLHttpRequest && XMLHttpRequest.prototype.sendAsBinary) || window.FormData)) {
+ $(document.body).bind('dragover dragleave drop', function(e){ return ref.document_drag_hover(e, e.type == 'dragover'); });
+ $(this.gui_objects.filedrop).addClass('droptarget')
+ .bind('dragover dragleave', function(e){ return ref.file_drag_hover(e, e.type == 'dragover'); })
+ .get(0).addEventListener('drop', function(e){ return ref.file_dropped(e); }, false);
+ }
// trigger init event hook
this.triggerEvent('init', { task:this.task, action:this.env.action });
@@ -629,7 +639,7 @@
uid = this.get_single_uid();
if (uid && (!this.env.uid || uid != this.env.uid)) {
if (this.env.mailbox == this.env.drafts_mailbox)
- this.goto_url('compose', '_draft_uid='+uid+'&_mbox='+urlencode(this.env.mailbox), true);
+ this.goto_url('compose', { _draft_uid: uid, _mbox: this.env.mailbox }, true);
else
this.show_message(uid);
}
@@ -651,13 +661,14 @@
break;
case 'edit':
- if (this.task=='addressbook' && (cid = this.get_single_cid()))
+ if (this.task == 'addressbook' && (cid = this.get_single_cid()))
this.load_contact(cid, 'edit');
- else if (this.task=='settings' && props)
+ else if (this.task == 'settings' && props)
this.load_identity(props, 'edit-identity');
- else if (this.task=='mail' && (cid = this.get_single_uid())) {
- url = (this.env.mailbox == this.env.drafts_mailbox) ? '_draft_uid=' : '_uid=';
- this.goto_url('compose', url+cid+'&_mbox='+urlencode(this.env.mailbox), true);
+ else if (this.task == 'mail' && (cid = this.get_single_uid())) {
+ url = { _mbox: this.env.mailbox };
+ url[this.env.mailbox == this.env.drafts_mailbox ? '_draft_uid' : '_uid'] = cid;
+ this.goto_url('compose', url, true);
}
break;
@@ -767,7 +778,7 @@
case 'always-load':
if (this.env.uid && this.env.sender) {
- this.add_contact(urlencode(this.env.sender));
+ this.add_contact(this.env.sender);
setTimeout(function(){ ref.command('load-images'); }, 300);
break;
}
@@ -982,12 +993,12 @@
case 'reply-list':
case 'reply':
if (uid = this.get_single_uid()) {
- url = '_reply_uid='+uid+'&_mbox='+urlencode(this.env.mailbox);
+ url = {_reply_uid: uid, _mbox: this.env.mailbox};
if (command == 'reply-all')
// do reply-list, when list is detected and popup menu wasn't used
- url += '&_all=' + (!props && this.commands['reply-list'] ? 'list' : 'all');
+ url._all = (!props && this.commands['reply-list'] ? 'list' : 'all');
else if (command == 'reply-list')
- url += '&_all=list';
+ url._all = list;
this.goto_url('compose', url, true);
}
@@ -996,9 +1007,9 @@
case 'forward-attachment':
case 'forward':
if (uid = this.get_single_uid()) {
- url = '_forward_uid='+uid+'&_mbox='+urlencode(this.env.mailbox);
+ url = { _forward_uid: uid, _mbox: this.env.mailbox };
if (command == 'forward-attachment' || (!props && this.env.forward_attachment))
- url += '&_attachment=1';
+ url._attachment = 1;
this.goto_url('compose', url, true);
}
break;
@@ -1024,7 +1035,7 @@
case 'download':
if (uid = this.get_single_uid())
- this.goto_url('viewsource', '&_uid='+uid+'&_mbox='+urlencode(this.env.mailbox)+'&_save=1');
+ this.goto_url('viewsource', { _uid: uid, _mbox: this.env.mailbox, _save: 1 });
break;
// quicksearch
@@ -1077,7 +1088,7 @@
case 'export':
if (this.contact_list.rowcount > 0) {
- this.goto_url('export', { _source:this.env.source, _gid:this.env.group, _search:this.env.search_request });
+ this.goto_url('export', { _source: this.env.source, _gid: this.env.group, _search: this.env.search_request });
}
break;
@@ -1578,7 +1589,7 @@
var uid = list.get_single_selection();
if (uid && this.env.mailbox == this.env.drafts_mailbox)
- this.goto_url('compose', '_draft_uid='+uid+'&_mbox='+urlencode(this.env.mailbox), true);
+ this.goto_url('compose', { _draft_uid: uid, _mbox: this.env.mailbox }, true);
else if (uid)
this.show_message(uid, false, false);
};
@@ -1945,13 +1956,16 @@
if (this.env.search_request)
url += '&_search='+this.env.search_request;
- if (action == 'preview' && String(target.location.href).indexOf(url) >= 0)
+ // add browser capabilities, so we can properly handle attachments
+ url += '&_caps='+urlencode(this.browser_capabilities());
+
+ if (preview && String(target.location.href).indexOf(url) >= 0)
this.show_contentframe(true);
else {
this.location_href(this.env.comm_path+url, target, true);
// mark as read and change mbox unread counter
- if (action == 'preview' && this.message_list && this.message_list.rows[id] && this.message_list.rows[id].unread && this.env.preview_pane_mark_read >= 0) {
+ if (preview && this.message_list && this.message_list.rows[id] && this.message_list.rows[id].unread && this.env.preview_pane_mark_read >= 0) {
this.preview_read_timer = setTimeout(function() {
ref.set_message(id, 'unread', false);
ref.update_thread_root(id, 'read');
@@ -2988,7 +3002,7 @@
this.set_caret_pos(input_message, this.env.top_posting ? 0 : $(input_message).val().length);
// add signature according to selected identity
// if we have HTML editor, signature is added in callback
- if (input_from.prop('type') == 'select-one' && $("input[name='_draft_saveid']").val() == '') {
+ if (input_from.prop('type') == 'select-one') {
this.change_identity(input_from[0]);
}
}
@@ -3447,12 +3461,7 @@
var content = '<span>' + this.get_label('uploading' + (files > 1 ? 'many' : '')) + '</span>',
ts = frame_name.replace(/^rcmupload/, '');
- if (this.env.loadingicon)
- content = '<img src="'+this.env.loadingicon+'" alt="" class="uploading" />'+content;
- content = '<a title="'+this.get_label('cancel')+'" onclick="return rcmail.cancel_attachment_upload(\''+ts+'\', \''+frame_name+'\');" href="#cancelupload" class="cancelupload">'
- + (this.env.cancelicon ? '<img src="'+this.env.cancelicon+'" alt="" />' : this.get_label('cancel')) + '</a>' + content;
-
- this.add2attachment_list(ts, { name:'', html:content, classname:'uploading', complete:false });
+ this.add2attachment_list(ts, { name:'', html:content, classname:'uploading', frame:frame_name, complete:false });
// upload progress support
if (this.env.upload_progress_time) {
@@ -3471,6 +3480,13 @@
{
if (!this.gui_objects.attachmentlist)
return false;
+
+ if (!att.complete && ref.env.loadingicon)
+ att.html = '<img src="'+ref.env.loadingicon+'" alt="" class="uploading" />' + att.html;
+
+ if (!att.complete && att.frame)
+ att.html = '<a title="'+this.get_label('cancel')+'" onclick="return rcmail.cancel_attachment_upload(\''+name+'\', \''+att.frame+'\');" href="#cancelupload" class="cancelupload">'
+ + (this.env.cancelicon ? '<img src="'+this.env.cancelicon+'" alt="" />' : this.get_label('cancel')) + '</a>' + att.html;
var indicator, li = $('<li>').attr('id', name).addClass(att.classname).html(att.html);
@@ -3798,7 +3814,7 @@
return;
// ...new search value contains old one and previous search was not finished or its result was empty
- if (old_value && old_value.length && q.indexOf(old_value) == 0 && (!ac || !ac.num) && this.env.contacts && !this.env.contacts.length)
+ if (old_value && old_value.length && q.indexOf(old_value) == 0 && (!ac || ac.num <= 0) && this.env.contacts && !this.env.contacts.length)
return;
var i, lock, source, xhr, reqid = new Date().getTime(),
@@ -3812,7 +3828,7 @@
for (i=0; i<threads; i++) {
source = this.ksearch_data.sources.shift();
- if (threads > 1 && source === null)
+ if (threads > 1 && source === undefined)
break;
post_data._source = source ? source : '';
@@ -4920,7 +4936,7 @@
// submit request with appended token
if (confirm(this.get_label('deleteidentityconfirm')))
- this.goto_url('delete-identity', '_iid='+id+'&_token='+this.env.request_token, true);
+ this.goto_url('delete-identity', { _iid: id, _token: this.env.request_token }, true);
return true;
};
@@ -6214,6 +6230,121 @@
return frame_name;
};
+ // html5 file-drop API
+ this.document_drag_hover = function(e, over)
+ {
+ e.preventDefault();
+ $(ref.gui_objects.filedrop)[(over?'addClass':'removeClass')]('active');
+ };
+
+ this.file_drag_hover = function(e, over)
+ {
+ e.preventDefault();
+ e.stopPropagation();
+ $(ref.gui_objects.filedrop)[(over?'addClass':'removeClass')]('hover');
+ };
+
+ // handler when files are dropped to a designated area.
+ // compose a multipart form data and submit it to the server
+ this.file_dropped = function(e)
+ {
+ // abort event and reset UI
+ this.file_drag_hover(e, false);
+
+ // prepare multipart form data composition
+ var files = e.target.files || e.dataTransfer.files,
+ formdata = window.FormData ? new FormData() : null,
+ fieldname = this.env.filedrop.fieldname || '_file',
+ boundary = '------multipartformboundary' + (new Date).getTime(),
+ dashdash = '--', crlf = '\r\n',
+ multipart = dashdash + boundary + crlf;
+
+ if (!file || !files.length)
+ return;
+
+ // inline function to submit the files to the server
+ var submit_data = function() {
+ var multiple = files.length > 1,
+ ts = new Date().getTime(),
+ content = '<span>' + (multiple ? ref.get_label('uploadingmany') : files[0].name) + '</span>';
+
+ // add to attachments list
+ ref.add2attachment_list(ts, { name:'', html:content, classname:'uploading', complete:false });
+
+ // complete multipart content and post request
+ multipart += dashdash + boundary + dashdash + crlf;
+
+ $.ajax({
+ type: 'POST',
+ dataType: 'json',
+ url: ref.url(ref.env.filedrop.action||'upload', { _id:ref.env.compose_id||'', _uploadid:ts, _remote:1 }),
+ contentType: formdata ? false : 'multipart/form-data; boundary=' + boundary,
+ processData: false,
+ data: formdata || multipart,
+ beforeSend: function(xhr, s) { if (!formdata && xhr.sendAsBinary) xhr.send = xhr.sendAsBinary; },
+ success: function(data){ ref.http_response(data); },
+ error: function(o, status, err) { ref.http_error(o, status, err, null, 'attachment'); }
+ });
+ };
+
+ // get contents of all dropped files
+ var last = this.env.filedrop.single ? 0 : files.length - 1;
+ for (var i=0, f; i <= last && (f = files[i]); i++) {
+ if (!f.name) f.name = f.fileName;
+ if (!f.size) f.size = f.fileSize;
+ if (!f.type) f.type = 'application/octet-stream';
+
+ // binary encode file name
+ if (!formdata && /[^\x20-\x7E]/.test(f.name))
+ f.name_bin = unescape(encodeURIComponent(f.name));
+
+ if (this.env.filedrop.filter && !f.type.match(new RegExp(this.env.filedrop.filter))) {
+ // TODO: show message to user
+ continue;
+ }
+
+ // the easy way with FormData (FF4+, Chrome, Safari)
+ if (formdata) {
+ formdata.append(fieldname + '[]', f);
+ if (i == last)
+ return submit_data();
+ }
+ // use FileReader supporetd by Firefox 3.6
+ else if (window.FileReader) {
+ var reader = new FileReader();
+
+ // closure to pass file properties to async callback function
+ reader.onload = (function(file, i) {
+ return function(e) {
+ multipart += 'Content-Disposition: form-data; name="' + fieldname + '[]"';
+ multipart += '; filename="' + (f.name_bin || file.name) + '"' + crlf;
+ multipart += 'Content-Length: ' + file.size + crlf;
+ multipart += 'Content-Type: ' + file.type + crlf + crlf;
+ multipart += e.target.result + crlf;
+ multipart += dashdash + boundary + crlf;
+
+ if (i == last) // we're done, submit the data
+ return submit_data();
+ }
+ })(f,i);
+ reader.readAsBinaryString(f);
+ }
+ // Firefox 3
+ else if (f.getAsBinary) {
+ multipart += 'Content-Disposition: form-data; name="' + fieldname + '[]"';
+ multipart += '; filename="' + (f.name_bin || f.name) + '"' + crlf;
+ multipart += 'Content-Length: ' + f.size + crlf;
+ multipart += 'Content-Type: ' + f.type + crlf + crlf;
+ multipart += f.getAsBinary() + crlf;
+ multipart += dashdash + boundary +crlf;
+
+ if (i == last)
+ return submit_data();
+ }
+ }
+ };
+
+
// starts interval for keep-alive/check-recent signal
this.start_keepalive = function()
{
@@ -6370,6 +6501,99 @@
$(elem).click(function() { rcmail.register_protocol_handler(name); return false; });
};
+ // Checks browser capabilities eg. PDF support, TIF support
+ this.browser_capabilities_check = function()
+ {
+ if (!this.env.browser_capabilities)
+ this.env.browser_capabilities = {};
+
+ if (this.env.browser_capabilities.pdf === undefined)
+ this.env.browser_capabilities.pdf = this.pdf_support_check();
+
+ if (this.env.browser_capabilities.flash === undefined)
+ this.env.browser_capabilities.flash = this.flash_support_check();
+
+ if (this.env.browser_capabilities.tif === undefined)
+ this.tif_support_check();
+ };
+
+ // Returns browser capabilities string
+ this.browser_capabilities = function()
+ {
+ if (!this.env.browser_capabilities)
+ return '';
+
+ var n, ret = [];
+
+ for (n in this.env.browser_capabilities)
+ ret.push(n + '=' + this.env.browser_capabilities[n]);
+
+ return ret.join();
+ };
+
+ this.tif_support_check = function()
+ {
+ var img = new Image();
+
+ img.onload = function() { rcmail.env.browser_capabilities.tif = 1; };
+ img.onerror = function() { rcmail.env.browser_capabilities.tif = 0; };
+ img.src = 'program/blank.tif';
+ };
+
+ this.pdf_support_check = function()
+ {
+ var plugin = navigator.mimeTypes ? navigator.mimeTypes["application/pdf"] : {},
+ plugins = navigator.plugins,
+ len = plugins.length,
+ regex = /Adobe Reader|PDF|Acrobat/i;
+
+ if (plugin && plugin.enabledPlugin)
+ return 1;
+
+ if (window.ActiveXObject) {
+ try {
+ if (axObj = new ActiveXObject("AcroPDF.PDF"))
+ return 1;
+ }
+ catch (e) {}
+ try {
+ if (axObj = new ActiveXObject("PDF.PdfCtrl"))
+ return 1;
+ }
+ catch (e) {}
+ }
+
+ for (i=0; i<len; i++) {
+ plugin = plugins[i];
+ if (typeof plugin === 'String') {
+ if (regex.test(plugin))
+ return 1;
+ }
+ else if (plugin.name && regex.test(plugin.name))
+ return 1;
+ }
+
+ return 0;
+ };
+
+ this.flash_support_check = function()
+ {
+ var plugin = navigator.mimeTypes ? navigator.mimeTypes["application/x-shockwave-flash"] : {};
+
+ if (plugin && plugin.enabledPlugin)
+ return 1;
+
+ if (window.ActiveXObject) {
+ try {
+ if (axObj = new ActiveXObject("ShockwaveFlash.ShockwaveFlash"))
+ return 1;
+ }
+ catch (e) {}
+ }
+
+ return 0;
+ };
+
} // end object rcube_webmail
--
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