DevTools: update console viewport scroll when prompt is resized

third_party/WebKit/Source/devtools/front_end/source_frame/SourcesTextEditor.js

 // Copyright (c) 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 /**
  * @unrestricted
  */
 SourceFrame.SourcesTextEditor = class extends TextEditor.CodeMirrorTextEditor {
   /**
    * @param {!SourceFrame.SourcesTextEditorDelegate} delegate
    */
   constructor(delegate) {
     super({
       lineNumbers: true,
       lineWrapping: false,
       bracketMatchingSetting: Common.moduleSetting('textEditorBracketMatching'),
       padBottom: true
     });
 
     this.codeMirror().addKeyMap({'Enter': 'smartNewlineAndIndent', 'Esc': 'sourcesDismiss'});
 
     this._delegate = delegate;
 
-    this.codeMirror().on('changes', this._fireTextChanged.bind(this));
+    this.on(UI.TextEditor.ContentChangedEvent, this._fireTextChanged, this);
     this.codeMirror().on('cursorActivity', this._cursorActivity.bind(this));
     this.codeMirror().on('gutterClick', this._gutterClick.bind(this));
     this.codeMirror().on('scroll', this._scroll.bind(this));
     this.codeMirror().on('focus', this._focus.bind(this));
     this.codeMirror().on('blur', this._blur.bind(this));
     this.codeMirror().on('beforeSelectionChange', this._fireBeforeSelectionChanged.bind(this));
     this.element.addEventListener('contextmenu', this._contextMenu.bind(this), false);
 
     this.codeMirror().addKeyMap(SourceFrame.SourcesTextEditor._BlockIndentController);
     this._tokenHighlighter = new SourceFrame.SourcesTextEditor.TokenHighlighter(this, this.codeMirror());
@@ skipping 337 matching lines @@
 
     this._autoAppendedSpaces = [];
     var selections = this.selections();
     for (var i = 0; i < selections.length; ++i) {
       var selection = selections[i];
       this._autoAppendedSpaces.push(this.textEditorPositionHandle(selection.startLine, selection.startColumn));
     }
   }
 
   /**
-   * @param {!CodeMirror} codeMirror
-   * @param {!Array.<!CodeMirror.ChangeObject>} changes
+   * @param {!UI.TextEditor.ContentChangedEvent} event
    */
-  _fireTextChanged(codeMirror, changes) {
-    if (!changes.length || this._muteTextChangedEvent)
+  _fireTextChanged(event) {
+    if (this._muteTextChangedEvent)
       return;
+    var changes = event.changes;
     var edits = [];
     var currentEdit;
 
     for (var changeIndex = 0; changeIndex < changes.length; ++changeIndex) {
       var changeObject = changes[changeIndex];
       var edit = TextEditor.CodeMirrorUtils.changeObjectToEditOperation(changeObject);
       if (currentEdit && edit.oldRange.equal(currentEdit.newRange)) {
         currentEdit.newRange = edit.newRange;
       } else {
         currentEdit = edit;
         edits.push(currentEdit);
       }
     }
 
     for (var i = 0; i < edits.length; ++i)
       this.dispatchEventToListeners(SourceFrame.SourcesTextEditor.Events.TextChanged, edits[i]);

[lushnikov, 2017/03/17 01:33:36]

can we move this method up to CMTE? 

[luoe, 2017/03/17 23:44:48]

Yes we can!

   }
 
   _cursorActivity() {
     if (!this._isSearchActive())
       this.codeMirror().operation(this._tokenHighlighter.highlightSelectedTokens.bind(this._tokenHighlighter));
 
     var start = this.codeMirror().getCursor('anchor');
     var end = this.codeMirror().getCursor('head');
     this.dispatchEventToListeners(
         SourceFrame.SourcesTextEditor.Events.SelectionChanged, TextEditor.CodeMirrorUtils.toRange(start, end));
@@ skipping 458 matching lines @@
    */
   _setHighlighter(highlighter, selectionStart) {
     var overlayMode = {token: highlighter};
     this._codeMirror.addOverlay(overlayMode);
     this._highlightDescriptor = {overlay: overlayMode, selectionStart: selectionStart};
   }
 };
 
 SourceFrame.SourcesTextEditor.LinesToScanForIndentationGuessing = 1000;
 SourceFrame.SourcesTextEditor.MaximumNumberOfWhitespacesPerSingleSpan = 16;