Fix PDF support detection in Firefox > 19 (#1490610)

Aleksander Machniak

2015-12-17 c67e7e8f85ae9c05d1a04715d2a9ce7e84a50a45

 program/js/app.js

@@ -2488,22 +2488,23 @@
  // removes messages that doesn't exists from list selection array
  this.update_selection = function()
  {
    var selected = this.message_list.selection,
      rows = this.message_list.rows,
    var list = this.message_list,
      selected = list.selection,
      rows = list.rows,
      i, selection = [];

    for (i in selected)
      if (rows[selected[i]])
        selection.push(selected[i]);

    this.message_list.selection = selection;
    list.selection = selection;

    // reset preview frame, if currently previewed message is not selected (has been removed)
    try {
      var win = this.get_frame_window(this.env.contentframe),
        id = win.rcmail.env.uid;

      if (id && $.inArray(id, selection) < 0)
      if (id && !list.in_selection(id))
        this.show_contentframe(false);
    }
    catch (e) {};
@@ -7828,7 +7829,8 @@
    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 }))
@@ -8153,14 +8155,10 @@
    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
@@ -8179,11 +8177,14 @@

  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 = ref.assets_path('program/resources/blank.tif');
    }, 10);

    img.onload = function() { ref.env.browser_capabilities.tif = 1; };
    img.onerror = function() { ref.env.browser_capabilities.tif = 0; };
    img.src = this.assets_path('program/resources/blank.tif');
    return 0;
  };

  this.pdf_support_check = function()
@@ -8219,6 +8220,14 @@
        return 1;
    }

    window.setTimeout(function() {
      $('<object>').css({position: 'absolute', left: '-10000px'})
        .attr({data: ref.assets_path('program/resources/dummy.pdf'), width: 1, height: 1, type: 'application/pdf'})
        .load(function() { ref.env.browser_capabilities.pdf = 1; })
        .error(function() { ref.env.browser_capabilities.pdf = 0; })
        .appendTo($('body'));
      }, 10);

    return 0;
  };