[evolution/wip/mcrha/webkit-jsc-api] e-undo-redo.js: Enhance merge of insertText::WordDelim operations

[Milan Crha <mcrha src gnome org>]

commit 718b0c1dcdd5584631d69cda7fca053f0199e85f
Author: Milan Crha <mcrha redhat com>
Date:   Mon Nov 11 19:57:02 2019 +0100

    e-undo-redo.js: Enhance merge of insertText::WordDelim operations

 data/webkit/e-undo-redo.js | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)
---
diff --git a/data/webkit/e-undo-redo.js b/data/webkit/e-undo-redo.js
index 3d2f7edc3d..bb9cf0004f 100644
--- a/data/webkit/e-undo-redo.js
+++ b/data/webkit/e-undo-redo.js
@@ -228,7 +228,7 @@ var EvoUndoRedo = {
                                EvoUndoRedo.stack.pathMatches(curr.selectionBefore.baseElem, 
prev.selectionAfter.baseElem);
                },
 
-               maybeMergeInsertText : function(skipFirst) {
+               maybeMergeConsecutive : function(skipFirst, opType) {
                        if (EvoUndoRedo.stack.current != EvoUndoRedo.stack.top ||
                            EvoUndoRedo.stack.current == EvoUndoRedo.stack.bottom) {
                                return;
@@ -247,7 +247,7 @@ var EvoUndoRedo = {
 
                        if (!curr ||
                            curr.kind != EvoUndoRedo.RECORD_KIND_EVENT ||
-                           curr.opType != "insertText" ||
+                           curr.opType != opType ||
                            curr.selectionBefore.extentElem) {
                                return;
                        }
@@ -260,7 +260,7 @@ var EvoUndoRedo = {
                                prev = EvoUndoRedo.stack.array[ii];
 
                                if (prev.kind != EvoUndoRedo.RECORD_KIND_EVENT ||
-                                   prev.opType != "insertText" ||
+                                   prev.opType != opType ||
                                    prev.selectionBefore.extentElem ||
                                    curr.firstChildIndex != prev.firstChildIndex ||
                                    curr.restChildrenCount != prev.restChildrenCount ||
@@ -270,7 +270,8 @@ var EvoUndoRedo = {
                                        break;
                                }
 
-                               prev.opType = "insertText::merged";
+                               if (opType == "insertText")
+                                       prev.opType = opType + "::merged";
                                prev.selectionAfter = curr.selectionAfter;
                                prev.htmlAfter = curr.htmlAfter;
 
@@ -285,6 +286,11 @@ var EvoUndoRedo = {
                        }
 
                        EvoUndoRedo.stack.maybeStateChanged();
+               },
+
+               maybeMergeInsertText : function(skipFirst) {
+                       EvoUndoRedo.stack.maybeMergeConsecutive(skipFirst, "insertText");
+                       EvoUndoRedo.stack.maybeMergeConsecutive(skipFirst, "insertText::WordDelim");
                }
        },
 
@@ -634,7 +640,7 @@ EvoUndoRedo.StopRecord = function(kind, opType)
        if (record.ignore) {
                if (!EvoUndoRedo.ongoingRecordings.length &&
                    (record.kind != EvoUndoRedo.RECORD_KIND_EVENT || record.opType != "insertText")) {
-                       EvoUndoRedo.stack.maybeMergeInsertText(true);
+                       EvoUndoRedo.stack.maybeMergeInsertText(false);
                }
 
                return false;
@@ -677,7 +683,7 @@ EvoUndoRedo.StopRecord = function(kind, opType)
                // some formatting commands do not change HTML structure immediately, thus ignore those
                if (kind == EvoUndoRedo.RECORD_KIND_EVENT && record.htmlBefore == html) {
                        if (!EvoUndoRedo.ongoingRecordings.length && record.opType != "insertText") {
-                               EvoUndoRedo.stack.maybeMergeInsertText(true);
+                               EvoUndoRedo.stack.maybeMergeInsertText(false);
                        }
 
                        return false;
@@ -701,7 +707,10 @@ EvoUndoRedo.StopRecord = function(kind, opType)
        } else {
                EvoUndoRedo.stack.push(record);
 
-               if (record.kind != EvoUndoRedo.RECORD_KIND_EVENT || record.opType != "insertText") {
+               if (record.kind == EvoUndoRedo.RECORD_KIND_EVENT && record.opType == "insertText::WordDelim") 
{
+                       EvoUndoRedo.stack.maybeMergeConsecutive(true, "insertText");
+                       EvoUndoRedo.stack.maybeMergeConsecutive(false, "insertText::WordDelim");
+               } else if (record.kind != EvoUndoRedo.RECORD_KIND_EVENT || record.opType != "insertText") {
                        EvoUndoRedo.stack.maybeMergeInsertText(true);
                }
        }