From 82fcd4e7574e55326474e5edc5c9d6da56677331 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Tue, 22 Dec 2015 07:14:00 -0500
Subject: [PATCH] Fix so drag-n-drop of text (e.g. recipient addresses) on compose page actually works (#1490619)

---
 program/js/app.js |   90 ++++++++++++++++++++++++++------------------
 1 files changed, 53 insertions(+), 37 deletions(-)

diff --git a/program/js/app.js b/program/js/app.js
index 70a4850..ba7b711 100644
--- a/program/js/app.js
+++ b/program/js/app.js
@@ -141,8 +141,8 @@
     var n, p = this;
     this.task = this.env.task;
 
-    // check browser
-    if (this.env.server_error != 409 && (!bw.dom || !bw.xmlhttp_test() || (bw.mz && bw.vendver < 1.9))) {
+    // check browser capabilities (never use version checks here)
+    if (this.env.server_error != 409 && (!bw.dom || !bw.xmlhttp_test())) {
       this.goto_url('error', '_code=0x199');
       return;
     }
@@ -983,12 +983,9 @@
         url = {};
 
         if (this.task == 'mail') {
-          url._mbox = this.env.mailbox;
+          url = {_mbox: this.env.mailbox, _search: this.env.search_request};
           if (props)
             url._to = props;
-          // also send search request so we can go back to search result after message is sent
-          if (this.env.search_request)
-            url._search = this.env.search_request;
         }
         // modify url if we're in addressbook
         else if (this.task == 'addressbook') {
@@ -1089,9 +1086,9 @@
       case 'reply-list':
       case 'reply':
         if (uid = this.get_single_uid()) {
-          url = {_reply_uid: uid, _mbox: this.env.mailbox};
+          url = {_reply_uid: uid, _mbox: this.env.mailbox, _search: this.env.search_request};
+          // do reply-list, when list is detected and popup menu wasn't used
           if (command == 'reply-all')
-            // do reply-list, when list is detected and popup menu wasn't used
             url._all = (!props && this.env.reply_all_mode == 1 && this.commands['reply-list'] ? 'list' : 'all');
           else if (command == 'reply-list')
             url._all = 'list';
@@ -1811,7 +1808,7 @@
     // attach events
     $.each(fn, function(i, f) {
       row[i].onclick = function(e) { f(e); return rcube_event.cancel(e); };
-      if (bw.touch) {
+      if (bw.touch && row[i].addEventListener) {
         row[i].addEventListener('touchend', function(e) {
           if (e.changedTouches.length == 1) {
             f(e);
@@ -3669,14 +3666,13 @@
 
   this.set_draft_id = function(id)
   {
-    var rc;
-
     if (id && id != this.env.draft_id) {
-      if (rc = this.opener()) {
-        // refresh the drafts folder in opener window
-        if (rc.env.task == 'mail' && rc.env.action == '' && rc.env.mailbox == this.env.drafts_mailbox)
-          rc.command('checkmail');
-      }
+      var filter = {task: 'mail', action: ''},
+        rc = this.opener(false, filter) || this.opener(true, filter);
+
+      // refresh the drafts folder in the opener window
+      if (rc && rc.env.mailbox == this.env.drafts_mailbox)
+        rc.command('checkmail');
 
       this.env.draft_id = id;
       $("input[name='_draft_saveid']").val(id);
@@ -7252,8 +7248,8 @@
   // html5 file-drop API
   this.document_drag_hover = function(e, over)
   {
-    e.preventDefault();
-    $(ref.gui_objects.filedrop)[(over?'addClass':'removeClass')]('active');
+    // don't e.preventDefault() here to not block text dragging on the page (#1490619)
+    $(this.gui_objects.filedrop)[(over?'addClass':'removeClass')]('active');
   };
 
   this.file_drag_hover = function(e, over)
@@ -7285,7 +7281,8 @@
     var submit_data = function() {
       var multiple = files.length > 1,
         ts = new Date().getTime(),
-        content = '<span>' + (multiple ? ref.get_label('uploadingmany') : files[0].name) + '</span>';
+        // jQuery way to escape filename (#1490530)
+        content = $('<span>').text(multiple ? ref.get_label('uploadingmany') : files[0].name).html();
 
       // add to attachments list
       if (!ref.add2attachment_list(ts, { name:'', html:content, classname:'uploading', complete:false }))
@@ -7457,12 +7454,24 @@
   };
 
   // get window.opener.rcmail if available
-  this.opener = function()
+  this.opener = function(deep, filter)
   {
+    var i, win = window.opener;
+
     // catch Error: Permission denied to access property rcmail
     try {
-      if (window.opener && !opener.closed && opener.rcmail)
-        return opener.rcmail;
+      if (win && !win.closed) {
+        // try parent of the opener window, e.g. preview frame
+        if (deep && (!win.rcmail || win.rcmail.env.framed) && win.parent && win.parent.rcmail)
+          win = win.parent;
+
+        if (win.rcmail && filter)
+          for (i in filter)
+            if (win.rcmail.env[i] != filter[i])
+              return;
+
+        return win.rcmail;
+      }
     }
     catch (e) {}
   };
@@ -7637,14 +7646,10 @@
     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();
+    $.each(['pdf', 'flash', 'tif'], function() {
+      if (ref.env.browser_capabilities[this] === undefined)
+        ref.env.browser_capabilities[this] = ref[this + '_support_check']();
+    });
   };
 
   // Returns browser capabilities string
@@ -7663,16 +7668,19 @@
 
   this.tif_support_check = function()
   {
-    var img = new Image();
+    window.setTimeout(function() {
+      var img = new Image();
+      img.onload = function() { ref.env.browser_capabilities.tif = 1; };
+      img.onerror = function() { ref.env.browser_capabilities.tif = 0; };
+      img.src = 'program/resources/blank.tif';
+    }, 10);
 
-    img.onload = function() { rcmail.env.browser_capabilities.tif = 1; };
-    img.onerror = function() { rcmail.env.browser_capabilities.tif = 0; };
-    img.src = 'program/resources/blank.tif';
+    return 0;
   };
 
   this.pdf_support_check = function()
   {
-    var plugin = navigator.mimeTypes ? navigator.mimeTypes["application/pdf"] : {},
+    var i, plugin = navigator.mimeTypes ? navigator.mimeTypes["application/pdf"] : {},
       plugins = navigator.plugins,
       len = plugins.length,
       regex = /Adobe Reader|PDF|Acrobat/i;
@@ -7680,7 +7688,7 @@
     if (plugin && plugin.enabledPlugin)
         return 1;
 
-    if (window.ActiveXObject) {
+    if ('ActiveXObject' in window) {
       try {
         if (axObj = new ActiveXObject("AcroPDF.PDF"))
           return 1;
@@ -7703,6 +7711,14 @@
         return 1;
     }
 
+    window.setTimeout(function() {
+      $('<object>').css({position: 'absolute', left: '-10000px'})
+        .attr({data: 'program/resources/dummy.pdf', width: 1, height: 1, type: 'application/pdf'})
+        .load(function() { ref.env.browser_capabilities.pdf = 1; })
+        .error(function() { ref.env.browser_capabilities.pdf = 0; })
+        .appendTo($('body'));
+      }, 10);
+
     return 0;
   };
 
@@ -7713,7 +7729,7 @@
     if (plugin && plugin.enabledPlugin)
         return 1;
 
-    if (window.ActiveXObject) {
+    if ('ActiveXObject' in window) {
       try {
         if (axObj = new ActiveXObject("ShockwaveFlash.ShockwaveFlash"))
           return 1;

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