aboutsummaryrefslogtreecommitdiffstats
path: root/data/js/bug-page-mod.js
blob: f5eea92b68a84e439752e88c9acecacd0b7c58a0 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Bugzilla Tweaks.
 *
 * The Initial Developer of the Original Code is Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2010
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Johnathan Nightingale <johnath@mozilla.com>
 *   Ehsan Akhgari <ehsan@mozilla.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

function tweakBugzilla(d) {
    // run on both bugzilla.m.o and bugzilla-stage-tip.m.o
    if (!onBugzillaPage(d.URL))
        return;

    // Put the quicksearch text in the quicksearch boxes
    quicksearchHandler(d);

    if (!d.getElementById("comments")) // don't process the mid-air collision pages
      return;

    // Strip "Bug " from titles for better tab readability
    if (/^Bug /.test(d.title))
        d.title = d.title.slice(4);

    // After POSTing, redirect with a GET back to the same bug
    if (/\/(process_bug|attachment).cgi$/.test(d.location.href)) {
      var bug = getBugNumber(d);
      if (bug) {
        var url = d.location.href;
        url = url.replace("process_bug.cgi", "show_bug.cgi");
        url = url.replace("attachment.cgi", "show_bug.cgi");
        url += "?id=" + bug;
        function cancelRedirection() {
          d.defaultView.clearTimeout(timer);
          redirectMsg.parentNode.removeChild(redirectMsg);
          d.body.removeEventListener("mousedown", interactionDetector, false);
          d.body.removeEventListener("keydown", interactionDetector, false);
        }
        function interactionDetector() {
          cancelRedirection();
        }
        d.body.addEventListener("mousedown", interactionDetector, false);
        d.body.addEventListener("keydown", interactionDetector, false);
        var timer = d.defaultView.setTimeout(function() {
          // don't redirect if the user is using the page.
          if (d.defaultView.scrollY > 0 ||
              d.defaultView.getSelection().rangeCount > 0) {
            cancelRedirection();
          } else {
            d.location.href = url;
          }
        }, 2000);
        var redirectMsg = d.createElement("div");
        redirectMsg.setAttribute("style", "font-weight: bold; text-align: center; border: 1px solid gray; margin: 10px 0; color: gray;");
        redirectMsg.appendChild(d.createTextNode("Changes submitted, reloading bug " + bug + " in 2 seconds... ("));
        var cancelLink = d.createElement("a");
        cancelLink.setAttribute("href", "javascript:void(0)");
        cancelLink.setAttribute("style", "color: black;");
        cancelLink.addEventListener("click", function(event) {
          event.preventDefault = true;
          cancelRedirection();
        }, false);
        cancelLink.appendChild(d.createTextNode("Cancel"));
        redirectMsg.appendChild(cancelLink);
        redirectMsg.appendChild(d.createTextNode(")"));
        var header = d.getElementById("header");
        header.insertBefore(redirectMsg, header.firstChild);
      }
    }

    // Make the comment box bigger
    var commentBox = d.querySelector("#comment");
    if (commentBox)
        commentBox.rows=20;

    attachmentDiffLinkify(d);

    viewAttachmentSource(d);

    // Mark up history along right hand edge
    var historyLink = d.querySelector("link[title='Bug Activity']");
    if (!historyLink)
        return;

    // Add our own style for bugzilla-tweaks
    var style = d.createElement("style");
    style.setAttribute("type", "text/css");
    style.appendChild(d.createTextNode(
        ".bztw_history { border: none; font-weight: normal; width: 58em; margin-left: 5em; }" +
        ".bztw_inlinehistory { font-weight: normal; width: 56em; }" +
        ".bztw_history .old, .bztw_inlinehistory .old { text-decoration: line-through; }" +
        ".bztw_history .sep:before { content: \" \"; }" +
        ".bztw_unconfirmed { font-style: italic; }" +
        "tr.bz_tr_obsolete.bztw_plusflag { display: table-row !important; }" +
        '.bztw_historyitem + .bztw_historyitem:before { content: "; "; }'
    ));
    d.getElementsByTagName("head")[0].appendChild(style);
    style = d.createElement("style");
    style.setAttribute("type", "text/css");
    style.id = "bztw_cc";
    style.appendChild(d.createTextNode(
        ".bztw_cc { display: none; }" +
        '.bztw_historyitem.bztw_cc + .bztw_historyitem:before { content: ""; }' +
        '.bztw_historyitem:not([class~="bztw_cc"]) ~ .bztw_historyitem.bztw_cc + .bztw_historyitem:before { content: "; "; }'
    ));
    d.getElementsByTagName("head")[0].appendChild(style);

    var userNameCache = {};
    function getUserName(email) {
        if (email in userNameCache) {
            return userNameCache[email];
        }
        var emailLink = d.querySelectorAll("a.email");
        for (var i = 0; i < emailLink.length; ++i) {
            if (emailLink[i].href == "mailto:" + email) {
                return userNameCache[email] = htmlEncode(trimContent(emailLink[i]));
            }
        }
        return email;
    }

    // collect the flag names
    var flagNames = [], flags = {}, flagOccurrences = {};
    var flagRows = d.querySelectorAll("#flags tr");
    for (var i = 0; i < flagRows.length; ++i) {
        var item = flagRows[i].querySelectorAll("td");
        if (!item[1])
            continue;
        var name = trimContent(item[1]).replace('\u2011', '-', 'g');
        flagNames.push(name);
        flags[name] = item[1];
    }
    flagRows = d.querySelectorAll(".field_label[id^=field_label_cf_]");
    for (var i = 0; i < flagRows.length; ++i) {
        var name = trimContent(flagRows[i]).replace(/\:$/, '')
                                           .replace('\u2011', '-', 'g');
        flagNames.push(name);
        flags[name] = flagRows[i];
    }
    var flagCounter = 1;
    function findFlag(item) {
        function lookup(name) {
            name = name.replace('\u2011', '-', 'g');
            for (var i = 0; i < flagNames.length; ++i) {
                var quotedFlagName = flagNames[i].replace('.', '\\.', 'g')
                                                 .replace('\u2011', '-', 'g');
                if ((new RegExp('^' + quotedFlagName)).test(name)) {
                    return [flagNames[i]];
                }
            }
            return [];
        }
        var base = item[4] ? 2 : 0;
        // handle normal flags
        if (trimContent(item[base]) == 'Flag') {
            var result = [];
            var tmp = lookup(trimContent(item[base + 1]));
            if (tmp.length) {
                result.push(tmp[0]);
            }
            tmp = lookup(trimContent(item[base + 2]));
            if (tmp.length) {
                result.push(tmp[0]);
            }
            return result;
        }
        // handle special pseudo-flags
        return lookup(trimContent(item[base]));
    }

    var DataStore = new DataStoreCtor(d);

    var AttachmentFlagHandler = new AttachmentFlagHandlerCtor();
    AttachmentFlagHandler.determineInterestingFlags(d);

    var CheckinComment = new CheckinCommentCtor();
    CheckinComment.initialize(d, AttachmentFlagHandler._interestingFlags);

    var iframe = d.createElement('iframe');
    iframe.src = historyLink.href;
    iframe.style.display = "none";
    iframe.addEventListener("load", function() {
        preprocessDuplicateMarkers(d, iframe.contentDocument);

        var historyItems = iframe.contentDocument.querySelectorAll('#bugzilla-body tr');
        var commentTimes = d.querySelectorAll('.bz_comment_time');

        // Sometimes the history will stack several changes together,
        // and we'll want to append the data from the Nth item to the
        // div created in N-1
        var i=0, j=0, flagsFound;
        for (; i < historyItems.length; i++) {
            var item = historyItems[i].querySelectorAll("td");
            if (!item[1])
                continue;

            var reachedEnd = false;
            for (; j < commentTimes.length; j++) {
                if (trimContent(item[1]) > trimContent(commentTimes[j])) {
                    if (j < commentTimes.length - 1) {
                        continue;
                    } else {
                        reachedEnd = true;
                    }
                }

                var commentHead = commentTimes[j].parentNode;

                var mainUser = commentHead.querySelector(".bz_comment_user a.email")
                                          .href
                                          .substr(7);
                var user = trimContent(item[0]);
                var mainTime = trimContent(commentTimes[j]);
                var time = trimContent(item[1]);
                var inline = (mainUser == user && time == mainTime);

                var currentDiv = d.createElement("div");
                var userPrefix = '';
                if (inline) {
                    // assume that the change was made by the same user
                    commentHead.appendChild(currentDiv);
                    currentDiv.setAttribute("class", "bztw_inlinehistory");
                } else {
                    // the change was made by another user
                    if (!reachedEnd) {
                        var parentDiv = commentHead.parentNode;
                        if (parentDiv.previousElementSibling &&
                            parentDiv.previousElementSibling.className.indexOf("bztw_history") >= 0) {
                            currentDiv = parentDiv.previousElementSibling;
                        } else {
                            parentDiv.parentNode.insertBefore(currentDiv, parentDiv);
                        }
                    } else {
                        var parentDiv = commentHead.parentNode;
                        if (parentDiv.nextElementSibling &&
                            parentDiv.nextElementSibling.className.indexOf("bztw_history") >= 0) {
                            currentDiv = parentDiv.nextElementSibling;
                        } else {
                            parentDiv.parentNode.appendChild(currentDiv);
                        }
                    }
                    currentDiv.setAttribute("class", "bz_comment bztw_history");
                    userPrefix += "<a class=\"email\" href=\"mailto:" +
                                  htmlEncode(trimContent(item[0])) + "\" title=\"" +
                                  htmlEncode(trimContent(item[1])) +"\">" +
                                  getUserName(trimContent(item[0])) + "</a>: ";
                }
                // check to see if this is a flag setting
                flagsFound = findFlag(item);
                for (var idx = 0; idx < flagsFound.length; ++idx) {
                    var flag = flagsFound[idx];
                    flagOccurrences[flag] = 'flag' + flagCounter;
                    if (inline) {
                        var anchor = d.createElement("a");
                        anchor.setAttribute("name", "flag" + flagCounter);
                        commentHead.insertBefore(anchor, commentHead.firstChild);
                    } else {
                        userPrefix += '<a name="flag' + flagCounter + '"></a>';
                    }
                    ++flagCounter;
                }

                var attachmentFlagAnchors = AttachmentFlagHandler.handleItem(user, item);
                if (inline) {
                    for (var idx = 0; idx < attachmentFlagAnchors.length; ++idx) {
                        var anchor = d.createElement("a");
                        anchor.setAttribute("name", attachmentFlagAnchors[idx]);
                        commentHead.insertBefore(anchor, commentHead.firstChild);
                    }
                } else {
                    userPrefix += attachmentFlagAnchors.map(function(name) '<a name="' + name + '"></a>').join("");
                }

                var ccOnly = (trimContent(item[2]) == 'CC');
                var ccPrefix = ccOnly ? '<span class="bztw_cc bztw_historyitem">' :
                                        '<span class="bztw_historyitem">',
                    ccSuffix = '</span>';
                var html = userPrefix +
                           ccPrefix +
                           transformType(trimContent(item[2]), d, trimContent(item[3]),
                                         trimContent(item[4])) + ": " +
                           formatTransition(trimContent(item[3]), trimContent(item[4]),
                                            trimContent(item[2]), d, iframe.contentDocument);

                var nextItemsCount = item[0].rowSpan;
                for (var k = 1; k < nextItemsCount; ++k) {
                    ccOnly = false;
                    item = historyItems[++i].querySelectorAll("td")
                    ccPrefix = (trimContent(item[0]) == 'CC') ?
                        '<span class="bztw_cc bztw_historyitem">' : '<span class="bztw_historyitem">';
                    // avoid showing a trailing semicolon if the previous entry wasn't a CC and this one is
                    var prefix = ccSuffix + ccPrefix;
                    // check to see if this is a flag setting
                    flagsFound = findFlag(item);
                    for (var idx = 0; idx < flagsFound.length; ++idx) {
                        var flag = flagsFound[idx];
                        flagOccurrences[flag] = 'flag' + flagCounter;
                        if (inline) {
                            var anchor = d.createElement("a");
                            anchor.setAttribute("name", "flag" + flagCounter);
                            commentHead.insertBefore(anchor, commentHead.firstChild);
                        } else {
                            prefix += '<a name="flag' + flagCounter + '"></a>';
                        }
                        ++flagCounter;
                    }

                    var attachmentFlagAnchors = AttachmentFlagHandler.handleItem(user, item);
                    if (inline) {
                        for (var idx = 0; idx < attachmentFlagAnchors.length; ++idx) {
                            var anchor = d.createElement("a");
                            anchor.setAttribute("name", attachmentFlagAnchors[idx]);
                            commentHead.insertBefore(anchor, commentHead.firstChild);
                        }
                    } else {
                        prefix += attachmentFlagAnchors.map(function(name) '<a name="' + name + '"></a>').join("");
                    }

                    html += prefix +
                            transformType(trimContent(item[0]), d, trimContent(item[1]),
                                          trimContent(item[2])) + ": " +
                            formatTransition(trimContent(item[1]), trimContent(item[2]),
                                             trimContent(item[0]), d, iframe.contentDocument);
                }
                html += ccSuffix;
                if (ccOnly) {
                    html = '<div class="bztw_cc">' + html + '</div>';
                } else {
                    html = '<div>' + html + '</div>';
                }
                currentDiv.innerHTML += html;
                break;
            }
        }

        handleEmptyCollapsedBoxes(d);

        // Set the latest flag links if necessary
        for (var flagName in flagOccurrences) {
            flags[flagName].innerHTML = '<a href="#' + flagOccurrences[flagName] + '">'
                + flags[flagName].innerHTML + '</a>';
        }

        AttachmentFlagHandler.setupLinks(d);
    },true);
    d.body.appendChild(iframe);

    tbplbotSpamCollapser(d);
}

var TransformValues = {
    linkifyURLs: function (str) {
        return str.replace(/((https?|ftp)\:\/\/[\S]+)/g, '<a href="$1">$1</a>');
    },
    linkifyBugAndCommentNumbers: function (str) {
        return str.replace(/(bug )(\d+) (comment )(\d+)/gi, '<a href="show_bug.cgi?id=$2#c$4">$1\n$2 $3\n$4</a>');
    },
    linkifyCommentNumbers: function (str) {
        return str.replace(/(comment (\d+))/gi, '<a href="#c$2">$1</a>');
    },
    linkifyBugNumbers: function (str) {
        return str.replace(/(bug (\d+))/gi, '<a href="show_bug.cgi?id=$2">$1</a>');
    },
    linkifyDependencies: function (str, type, doc, histDoc) {
        switch (type) {
        case "Blocks":
        case "Depends on":
        case "Duplicate":
            str = str.replace(/\d+/g, function(str) {
                var link = histDoc.querySelector("a[href='show_bug.cgi?id=" + str + "']");
                if (link) {
                    var class_ = '';
                    if (/bz_closed/i.test(link.className)) {
                        class_ += 'bz_closed ';
                    } else if (/bztw_unconfirmed/i.test(link.className)) {
                        class_ += 'bztw_unconfirmed ';
                    }
                    var parent = link.parentNode;
                    if (parent) {
                        if (parent.tagName.toLowerCase() == "i") {
                            class_ += 'bztw_unconfirmed ';
                        }
                        if (/bz_closed/i.test(parent.className)) {
                            class_ += 'bz_closed ';
                        }
                    }
                    str = applyClass(class_,
                                     '<a title="' + htmlEncode(link.title) + '" href="show_bug.cgi?id=' + htmlEncode(str) + '"' +
                                     (link.hasAttribute("name") ? (' name="' + htmlEncode(link.getAttribute("name")) + '"') : '') +
                                     '>' + htmlEncode(str) + '</a>');
                }
                return str;
            });
        }
        return str;
    }
};

function transform(str, type, doc, histDoc) {
    for (var funcname in TransformValues) {
        var func = TransformValues[funcname];
        str = func.call(null, str, type, doc, histDoc);
    }
    return str
}

var TransformTypes = {
    linkifyAttachments: function (str, doc) {
        return str.replace(/(Attachment #(\d+))/g, function (str, x, id) {
            var link = doc.querySelector("a[href='attachment.cgi?id=" + id + "']");
            if (link) {
                var class_ = '';
                if (/bz_obsolete/i.test(link.className)) {
                    class_ += 'bz_obsolete ';
                }
                var parent = link.parentNode;
                if (parent && /bz_obsolete/i.test(parent.className)) {
                    class_ += 'bz_obsolete ';
                }
                if (link.querySelector(".bz_obsolete")) {
                    class_ += 'bz_obsolete ';
                }
                str = applyClass(class_,
                                 '<a title="' + htmlEncode(trimContent(link)) + '" href="attachment.cgi?id=' +
                                 htmlEncode(id) + '&action=edit">' + htmlEncode(str) + '</a>');
            }
            return str;
        });
    },
    changeDependencyLinkTitles: function (str, doc, old, new_) {
        switch (str) {
        case "Blocks":
        case "Depends on":
            if (old.length && !new_.length) { // if the dependency was removed
                str = "No longer " + str[0].toLowerCase() + str.substr(1);
            }
            break;
        }
        return str;
    }
};

function transformType(str, doc, old, new_) {
    for (var funcname in TransformTypes) {
        var func = TransformTypes[funcname];
        str = func.call(null, str, doc, old, new_);
    }
    return str;
}

// new is a keyword, which makes this function uglier than I'd like
function formatTransition(old, new_, type, doc, histDoc) {
    if (old.length) {
        old = transform(htmlEncode(old), type, doc, histDoc);
        var setOldStyle = true;
        switch (type) {
        case "Blocks":
        case "Depends on":
            setOldStyle = false;
            break;
        }
        if (setOldStyle) {
            old = '<span class="old">' + old + '</span>';
        }
    }
    if (new_.length) {
        new_ = '<span class="new">' + transform(htmlEncode(new_), type, doc, histDoc) + '</span>';
    }
    var mid = '';
    if (old.length && new_.length) {
        mid = ' <span style="font-size: 150%;">&rArr;</span> ';
    }
    return old + mid + new_;
}

function trimContent(el) {
    return el.textContent.trim();
}

function AttachmentFlag(flag) {
    for (var name in flag)
        this[name] = flag[name];
}
AttachmentFlag.prototype = {
    equals: function(flag) {
        if (this.type != flag.type ||
            this.name != flag.name ||
            this.setter != flag.setter ||
            ("requestee" in this && !("requestee" in flag)) ||
            ("requestee" in flag && !("requestee" in this)))
            return false;
        return this.requestee == flag.requestee;
    }
};

var reAttachmentDiff = /attachment\.cgi\?id=(\d+)&action=diff$/i;
var reviewBoardUrlBase = "http://reviews.visophyte.org/";

/**
 * Whenever we find a patch with a diff, insert an additional link to asuth's
 * review board magic.
 */
function attachmentDiffLinkify(doc) {
  var bug_id = getBugNumber(doc);

  var table = doc.getElementById("attachment_table");
  if (!table)
    return;
  var rows = table.querySelectorAll("tr");
  for (var i = 0; i < rows.length; ++i) {
    var item = rows[i].querySelectorAll("td");
    if (item.length != 3)
      continue;
    // get the ID of the attachment
    var links = item[2].querySelectorAll("a");
    if (links.length != 2)
      continue;
    var match = reAttachmentDiff.exec(links[1].href);
    if (match) {
      var attach_id = match[1];
      var parentNode = links[1].parentNode;
      parentNode.appendChild(doc.createTextNode(" | "));
      var linkNode = doc.createElement("a");
      linkNode.href = reviewBoardUrlBase + "r/bzpatch/bug" + bug_id + "/attach" + attach_id + "/";
      linkNode.textContent = "Review";
      parentNode.appendChild(linkNode);
    }
  }
}

var reAttachmentType = /,\s+([^ )]*)[;)]/;

function viewAttachmentSource(doc) {
  function addLink(elem, title, href) {
    if (elem.textContent.match(/[\S]/)) {
      elem.appendChild(doc.createTextNode(" | "));
    }
    var link = doc.createElement("a");
    link.href = href;
    link.textContent = title;
    elem.appendChild(link);
  }
  var table = doc.getElementById("attachment_table");
  if (!table)
    return;
  var rows = table.querySelectorAll("tr");
  for (var i = 0; i < rows.length; ++i) {
    var items = rows[i].querySelectorAll("td");
    if (items.length != 3)
      continue;
    var links = items[0].querySelectorAll("a");
    if (links.length == 0)
      continue;
    var attachHref = links[0].href;
    // get the type of the attachment
    var span = items[0].querySelector(".bz_attach_extra_info");
    if (!span)
      continue;
    var typeName = null;
    try {
      // Match mime type followed by ";" (charset) or ")" (no charset)
      typeName = span.textContent.match(reAttachmentType)[1];
      typeName = typeName.split(";")[0]; // ignore charset following type
    } catch (e) {}
    if (typeName == "application/java-archive" ||
        typeName == "application/x-jar") {
      // Due to the fix for bug 369814, only zip files with this special
      // mime type can be used with the jar: protocol.
      // http://hg.mozilla.org/mozilla-central/rev/be54f6bb9e1e
      addLink(items[2], "JAR Contents", "jar:" + attachHref + "!/");
    // https://bugzilla.mozilla.org/show_bug.cgi?id=369814#c5 has more possible mime types for zips?
    } else if (typeName == "application/zip" ||
               typeName == "application/x-zip-compressed" ||
               typeName == "application/x-xpinstall") {
      addLink(items[2], "Static ZIP Contents", "jar:" + attachHref + "!/");
    } else if (typeName != "text/plain" &&
               typeName != "patch" &&
               // Other types that Gecko displays like text/plain
               // http://mxr.mozilla.org/mozilla-central/source/parser/htmlparser/public/nsIParser.h
               typeName != "text/css" &&
               typeName != "text/javascript" &&
               typeName != "text/ecmascript" &&
               typeName != "application/javascript" &&
               typeName != "application/ecmascript" &&
               typeName != "application/x-javascript" &&
               // Binary image types for which the "source" is not useful
               typeName != "image/gif" &&
               typeName != "image/png" &&
               typeName != "image/jpeg") {
      addLink(items[2], "Source", "view-source:" + attachHref);
    }
  }
}

function quicksearchHandler(doc) {
  var win = doc.defaultView;
  var match = /quicksearch=([^&]+)/i.exec(win.location.search);
  if (match) {
    var quicksearch = unescape(match[1].replace('+', ' '));
    var quicksearchBox = doc.querySelectorAll("input[name=quicksearch]");
    if (quicksearchBox) {
      for (var i = 0; i < quicksearchBox.length; ++i) {
        quicksearchBox[i].value = quicksearch;
      }
    }
  }
}

function AttachmentFlagHandlerCtor() {
    this._db = {};
    this._interestingFlags = {};
}
AttachmentFlagHandlerCtor.prototype = {
    determineInterestingFlags: function (doc) {
        var table = doc.getElementById("attachment_table");
        if (!table)
            return;
        var rows = table.querySelectorAll("tr");
        for (var i = 0; i < rows.length; ++i) {
            var item = rows[i].querySelectorAll("td");
            if (item.length != 3 ||
                item[1].className.indexOf("bz_attach_flags") < 0 ||
                trimContent(item[1]) == "no flags")
                continue;
            // get the ID of the attachment
            var link = item[0].querySelector("a");
            if (!link)
                continue;
            var match = this._reAttachmentHref.exec(link.href);
            if (match) {
                var attachmentID = match[1];
                if (!(attachmentID in this._interestingFlags)) {
                    this._interestingFlags[attachmentID] = [];
                }
                for (var el = item[1].firstChild; el.nextSibling; el = el.nextSibling) {
                    if (el.nodeType != el.TEXT_NODE)
                        continue;
                    var text = trimContent(el).replace('\u2011', '-', 'g');
                    if (!text)
                        continue;
                    match = this._reParseInterestingFlag.exec(text);
                    if (match) {
                        var flag = {};
                        flag.setter = match[1];
                        flag.name = match[2];
                        if (match[4] == "+" || match[4] == "-") {
                            flag.type = match[4];
                        } else {
                            flag.type = "?";
                            if (match[7]) {
                                flag.requestee = match[7];
                            }
                        }

                        // always show the obsolete attachments with a + flag
                        if (flag.type == "+") {
                            var parent = link.parentNode;
                            while (parent) {
                                if (parent.tagName.toLowerCase() == "tr") {
                                    if (/bz_tr_obsolete/i.test(parent.className)) {
                                        parent.className += " bztw_plusflag";
                                    }
                                    break;
                                }
                                parent = parent.parentNode;
                            }
                        }

                        // try to put the flag name and type part in a span which we will
                        // use in setupLinks to inject links into.
                        match = this._reLinkifyInterestingFlag.exec(text);
                        if (match) {
                            el.textContent = match[1];
                            if (match[3]) {
                                var textNode = doc.createTextNode(match[3]);
                                el.parentNode.insertBefore(textNode, el.nextSibling);
                            }
                            var span = doc.createElement("span");
                            span.textContent = match[2];
                            el.parentNode.insertBefore(span, el.nextSibling);

                            flag.placeholder = span;
                        }

                        this._interestingFlags[attachmentID].push(new AttachmentFlag(flag));
                    }
                }
            }
        }
    },
    handleItem: function (name, item) {
        var anchorsCreated = [];
        var base = item[4] ? 2 : 0;
        var what = trimContent(item[base]);
        var match = this._reAttachmentFlagName.exec(what);
        if (match) {
            var id = match[1];
            if (!(id in this._db)) {
                this._db[id] = [];
            }
            name = name.split('@')[0]; // convert the name to the fraction before the @
            var added = this._parseData(name, trimContent(item[base + 2]));
            for (var i = 0; i < added.length; ++i) {
                var flag = added[i];
                if (!(id in this._interestingFlags))
                    continue;
                for (var j = 0; j < this._interestingFlags[id].length; ++j) {
                    if (flag.equals(this._interestingFlags[id][j])) {
                        // found an interesting flag
                        this._interestingFlags[id][j].anchor = this.anchorName;
                        anchorsCreated.push(this.anchorName);
                        this._counter++;
                        break;
                    }
                }
            }
        }
        return anchorsCreated;
    },
    setupLinks: function (doc) {
        for (var id in this._interestingFlags) {
            for (var i = 0; i < this._interestingFlags[id].length; ++i) {
                var flag = this._interestingFlags[id][i];
                if ("placeholder" in flag &&
                    "anchor" in flag) {
                    var link = doc.createElement("a");
                    link.href = "#" + flag.anchor;
                    link.textContent = flag.placeholder.textContent;
                    flag.placeholder.replaceChild(link, flag.placeholder.firstChild);
                }
            }
        }
    },
    _parseData: function (name, str) {
        var items = str.replace('\u2011', '-', 'g').split(', '), flags = [];
        for (var i = 0; i < items.length; ++i) {
            if (!items[i].length)
                continue;

            var match = this._reParseRequest.exec(items[i]);
            if (match) {
                var flag = {};
                flag.name = match[1];
                flag.setter = name;
                if (match[4]) {
                    flag.requestee = match[4];
                }
                flag.type = match[2];
                flags.push(new AttachmentFlag(flag));
            }
        }
        return flags;
    },
    _counter: 1,
    get anchorName() {
        return "attachflag" + this._counter;
    },
    _reParseRequest: /^(.+)([\?\-\+])(\((.+)@.+\))?$/,
    _reParseInterestingFlag: /^(.+):\s+(.+)(([\-\+])|\?(\s+(\((.+)\)))?)$/,
    _reLinkifyInterestingFlag: /^(.+:\s+)(.+[\-\+\?])(\s+\(.+\))?$/,
    _reAttachmentHref: /attachment\.cgi\?id=(\d+)$/i,
    _reAttachmentFlagName: /^Attachment\s+#(\d+)\s+Flags$/i
};

function CheckinCommentCtor() {
    this.bugNumber = null;
    this.summarySpan = null;
    this.checkinFlags = "";
}
CheckinCommentCtor.prototype = {
  initialize: function(doc, flags) {
    this.bugNumber = getBugNumber(doc);
    var summarySpan = doc.getElementById("short_desc_nonedit_display");
    if (summarySpan) {
        this.summary = summarySpan.textContent;
    }
    var checkinFlagsMap = {};
    for (var id in flags) {
        for (var i = 0; i < flags[id].length; ++i) {
            var flag = flags[id][i];
            if (flag.type == "+") {
                var name = flag.name;
                if (name == "review") {
                    name = "r";
                } else if (name == "superreview") {
                    name = "sr";
                } else if (name == "ui-review") {
                    name = "ui-r";
                } else if (name == "feedback") {
                    name = "f";
                }
                if (!(name in checkinFlagsMap)) {
                    checkinFlagsMap[name] = {};
                }
                checkinFlagsMap[name][flag.setter]++;
            }
        }
    }
    var flagsOrdered = [];
    for (var name in checkinFlagsMap) {
        flagsOrdered.push(name);
    }
    flagsOrdered.sort(function (a, b) {
        function convertToNumber(x) {
            switch (x) {
            case "f":
                return -4;
            case "r":
                return -3;
            case "sr":
                return -2;
            case "ui-r":
                return -1;
            default:
                return 0;
            }
        }
        var an = convertToNumber(a);
        var bn = convertToNumber(b);
        if (an == 0 && bn == 0) {
            return a < b ? -1 : (a = b ? 0 : 1);
        } else {
            return an - bn;
        }
    });
    var checkinFlags = [];
    for (var i = 0; i < flagsOrdered.length; ++i) {
        var name = flagsOrdered[i];
        var flag = name + "=";
        var setters = [];
        for (var setter in checkinFlagsMap[name]) {
            setters.push(setter);
        }
        flag += setters.join(",");
        checkinFlags.push(flag);
    }
    this.checkinFlags = checkinFlags.join(" ");
    if (this.isValid()) {
      var div = doc.createElement("div");
      div.setAttribute("style", "display: none;");
      div.id = "__bz_tw_checkin_comment";
      div.appendChild(doc.createTextNode(this.toString()));
      doc.body.appendChild(div);
    }
  },
  isValid: function() {
      return this.bugNumber != null &&
             this.summary != null;
  },
  toString: function() {
    if (!this.isValid()) {
        return "";
    }
    var message = "Bug " + this.bugNumber + " - " + this.summary;
    if (this.checkinFlags.length) {
        message += "; " + this.checkinFlags;
    }
    return message;
  }
};

function DataStoreCtor(doc) {
  this.storage = doc.defaultView.localStorage;
  this.data = {};
  this.bugNumber = null;
  function visualizeStoredData() {
    var data = "";
    for (var i = 0; i < window.localStorage.length; ++i) {
      var key = window.localStorage.key(i);
      data += key + ": " + JSON.parse(window.localStorage.getItem(key).toString()).toSource() + "\n";
    }
    open("data:text/html,<pre>" + escape(htmlEncode(data)) + "</pre>");
  }
  function clearStoredData() {
    var count = window.localStorage.length;
    if (count > 0) {
      if (window.confirm("You currently have data stored for " + count + " bugs.\n\n" +
                         "Are you sure you want to clear this data?  This action cannot be undone.")) {
        window.localStorage.clear();
      }
    } else {
      alert("You don't have any data stored about your bugs");
    }
  }
  var script = doc.createElement("script");
  script.appendChild(doc.createTextNode(visualizeStoredData.toSource() +
                                        clearStoredData.toSource() +
                                        htmlEncode.toSource()));
  doc.body.appendChild(script);
  this.initialize(doc);
}

DataStoreCtor.prototype = {
  initialize: function(doc) {
    this.bugNumber = getBugNumber(doc);
    var data = this._ensureEntry(this.bugNumber, this.data);
    // last visited date
    data.visitedTime = (new Date()).getTime();
    // last comment count
    data.commentCount = doc.querySelectorAll(".bz_comment").length;
    // last status of bug flags
    var flags = this._ensureEntry("flags", data);
    var flagRows = doc.querySelectorAll("#flags tr");
    for (var i = 0; i < flagRows.length; ++i) {
      var flagCols = flagRows[i].querySelectorAll("td");
      if (flagCols.length != 3) {
        continue;
      }
      var flagName = trimContent(flagCols[1]);
      var flagValue = flagCols[2].querySelector("select");
      if (flagValue) {
        flagValue = flagValue.value;
      } else {
        continue;
      }
      flags[flagName] = flagValue;
    }
    flagRows = doc.querySelectorAll(".field_label[id^=field_label_cf_]");
    for (var i = 0; i < flagRows.length; ++i) {
      var flagName = trimContent(flagRows[i]).replace(/:$/, "");
      var flagValue = flagRows[i].parentNode.querySelector("select");
      if (flagValue) {
        flagValue = flagValue.value;
      } else {
        continue;
      }
      flags[flagName] = flagValue;
    }
    // last attachments
    var attachmentTable = doc.getElementById("attachment_table");
    var attachmentRows = attachmentTable.querySelectorAll("tr");
    for (var i = 0; i < attachmentRows.length; ++i) {
      var attachmentCells = attachmentRows[i].querySelectorAll("td");
      if (attachmentCells.length != 3) {
        continue;
      }
      var link = attachmentCells[0].querySelector("a");
      var match = this._reAttachmentHref.exec(link.href);
      if (match) {
        var attachmentID = match[1];
        var attachment = this._ensureEntry("attachments", data);
        var attachmentFlags = this._ensureArray(attachmentID, attachment);
        for (var el = attachmentCells[1].firstChild; el.nextSibling; el = el.nextSibling) {
          if (el.nodeType != el.TEXT_NODE) {
            continue;
          }
          var text = trimContent(el);
          if (!text) {
            continue;
          }
          match = this._reParseInterestingFlag.exec(text);
          if (match) {
            var flag = {};
            flag.setter = match[1];
            flag.name = match[2];
            if (match[4] == "+" || match[4] == "-") {
                flag.type = match[4];
            } else {
                flag.type = "?";
                if (match[7]) {
                    flag.requestee = match[7];
                }
            }
            attachmentFlags.push(flag);
          }
        }
      }
    }
    // Write data to storage
    for (var key in this.data) {
      this._ensure(key, this.storage, JSON.stringify(this.data[key]));
    }
  },
  _ensure: function(entry, obj, val) {
    if (obj.toString().indexOf("[object Storage") >= 0) {
      obj.setItem(entry, val);
    } else {
      if (typeof obj[entry] == "undefined")
        obj[entry]  = val;
      return obj[entry];
    }
  },
  _ensureEntry: function(entry, obj) {
    return this._ensure(entry, obj, {});
  },
  _ensureArray: function(entry, obj) {
    return this._ensure(entry, obj, []);
  },
  _reParseInterestingFlag: /^(.+):\s+(.+)(([\-\+])|\?(\s+(\((.+)\)))?)$/,
  _reAttachmentHref: /attachment\.cgi\?id=(\d+)$/i
};

function getBugNumber(doc) {
  var idField = doc.querySelector("form[name=changeform] input[name=id]");
  if (idField) {
    return idField.value;
  }
  return null;
}

function getUserName(doc) {
  var links = doc.querySelectorAll("#header .links li");
  var last = links[links.length - 1];
  if (last.innerHTML.indexOf("logout") >= 0) {
    return trimContent(last.lastChild);
  }
  return null;
}

function preprocessDuplicateMarkers(mainDoc, histDoc) {
    var comments = mainDoc.querySelectorAll(".bz_comment");
    var reDuplicate = /^\s*\*\*\*\s+Bug\s+(\d+)\s+has\s+been\s+marked\s+as\s+a\s+duplicate\s+of\s+this\s+bug.\s+\*\*\*\s*$/i;
    var row = 0;
    var rows = histDoc.querySelectorAll("#bugzilla-body tr");
    for (var i = 1 /* comment 0 can never be a duplicate marker */;
         i < comments.length; ++i) {
        var textHolder = comments[i].querySelector(".bz_comment_text");
        var match = reDuplicate.exec(trimContent(textHolder));
        if (match) {
            // construct the table row to be injected in histDoc
            var bugID = match[1];
            var email = comments[i].querySelector(".bz_comment_user .email")
                                   .href
                                   .substr(7);
            var link = textHolder.querySelector("a");
            var title = link.title;
            var time = trimContent(comments[i].querySelector(".bz_comment_time"));
            var what = 'Duplicate';
            var removed = '';
            var number = trimContent(comments[i].querySelector(".bz_comment_number")).
                         replace(/[^\d]+/g, '');
            var class_ = '';
            if (/bz_closed/i.test(link.className + " " + link.parentNode.className)) {
                class_ += 'bz_closed ';
            }
            if (link.parentNode.tagName.toLowerCase() == 'i') {
                class_ += 'bztw_unconfirmed ';
            }
            var added = '<a href="show_bug.cgi?id=' + bugID + '" title="' +
                        htmlEncode(title) + '" name="c' + number + '" class="' + class_ +
                        '">' + bugID + '</a>';

            // inject the table row
            var reachedEnd = false;
            for (; row < rows.length; ++row) {
                var cells = rows[row].querySelectorAll("td");
                if (cells.length != 5)
                    continue;
                if (time > trimContent(cells[1])) {
                    if (row < rows.length - 1) {
                        continue;
                    } else {
                        reachedEnd = true;
                    }
                }
                if (time == trimContent(cells[1])) {
                    cells[0].rowSpan++;
                    cells[1].rowSpan++;
                    var rowContents = [what, removed, added];
                    var tr =  histDoc.createElement("tr");
                    rowContents.forEach(function (cellContents) {
                        var td = histDoc.createElement("td");
                        td.innerHTML = cellContents;
                        tr.appendChild(td);
                    });
                    if (row != rows.length - 1) {
                        rows[row].parentNode.insertBefore(tr, rows[row+1]);
                    } else {
                        rows[row].parentNode.appendChild(tr);
                    }
                } else {
                    var rowContents = [email, time, what, removed, added];
                    var tr =  histDoc.createElement("tr");
                    rowContents.forEach(function (cellContents) {
                        var td = histDoc.createElement("td");
                        td.innerHTML = cellContents;
                        tr.appendChild(td);
                    });
                    if (reachedEnd) {
                        rows[row].parentNode.appendChild(tr);
                    } else {
                        rows[row].parentNode.insertBefore(tr, rows[row]);
                    }
                }
                break;
            }

            // remove the comment from the main doc
            comments[i].parentNode.removeChild(comments[i]);
        }
    }
}

function handleEmptyCollapsedBoxes(doc) {
    // first, try to get the display style of a CC field (any would do)
    var historyBoxes = doc.querySelectorAll(".bztw_history");
    for (var i = 0; i < historyBoxes.length; ++i) {
        var box = historyBoxes[i];
        for (var j = 0; j < box.childNodes.length; ++j) {
            var child = box.childNodes[j], found = true;
            if (child.nodeType != child.ELEMENT_NODE)
                continue;
            if (child.className == "sep") {
                // separators are insignificant
                continue;
            } else if (!/bztw_cc/.test(child.className)) {
                found = false;
                break;
            }
        }
        if (found) {
            box.className += " bztw_cc";
        }
    }
}

function applyClass(class_, html) {
    return '<span class="' + class_ + '">' + html + '</span>';
}

function htmlEncode(str) {
    return str.replace('&', '&amp;', 'g')
              .replace('<', '&lt;', 'g')
              .replace('>', '&gt;', 'g')
              .replace('"', '&quot;', 'g');
}

function tbplbotSpamCollapser(d) {
  var collapseExpandBox = d.querySelector(".bz_collapse_expand_comments");
  if (!collapseExpandBox) {
    return;
  }
  var a = d.createElement("a");
  a.href = "#";
  a.addEventListener("click", function(e) {
    e.preventDefault();
    var win = d.defaultView.wrappedJSObject;
    var comments = d.querySelectorAll(".bz_comment");
    for (var i = 0; i < comments.length; ++i) {
      var comment = comments[i];
      try {
        if (comment.querySelector(".bz_comment_user a.email").href.substr(7) ==
            "tbplbot@gmail.com") {
          win.collapse_comment(comment.querySelector(".bz_collapse_comment"),
                               comment.querySelector(".bz_comment_text"));
        }
      } catch (e) {
        continue;
      }
    }
    return false;
  }, false);
  a.appendChild(d.createTextNode("Collapse All tbplbot Comments"));
  var li = d.createElement("li");
  li.appendChild(a);
  collapseExpandBox.appendChild(li);
}

tweakBugzilla(document);