DevTools: Convert FilteredListWidget to use an optional provider

third_party/WebKit/Source/devtools/front_end/sources/FilteredUISourceCodeListDelegate.js

Index: third_party/WebKit/Source/devtools/front_end/sources/FilteredUISourceCodeListDelegate.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sources/FilteredUISourceCodeListDelegate.js b/third_party/WebKit/Source/devtools/front_end/sources/FilteredUISourceCodeListDelegate.js
deleted file mode 100644
index c8f94740cebe38021cd7b2f293fa904d3ffeb84a..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/devtools/front_end/sources/FilteredUISourceCodeListDelegate.js
+++ /dev/null
@@ -1,221 +0,0 @@
-/*
- * Copyright (c) 2012 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
- */
-Sources.FilteredUISourceCodeListDelegate = class extends QuickOpen.FilteredListWidget.Delegate {
-  /**
-   * @param {!Map.<!Workspace.UISourceCode, number>=} defaultScores
-   */
-  constructor(defaultScores) {
-    super();
-
-    this._defaultScores = defaultScores;
-    this._scorer = new Sources.FilePathScoreFunction('');
-    Workspace.workspace.addEventListener(Workspace.Workspace.Events.UISourceCodeAdded, this._uiSourceCodeAdded, this);
-    Workspace.workspace.addEventListener(Workspace.Workspace.Events.ProjectRemoved, this._projectRemoved, this);
-  }
-
-  /**
-   * @param {!Common.Event} event
-   */
-  _projectRemoved(event) {
-    var project = /** @type {!Workspace.Project} */ (event.data);
-    this.populate(project);
-    this.refresh();
-  }
-
-  /**
-   * @protected
-   * @param {!Workspace.Project=} skipProject
-   */
-  populate(skipProject) {
-    /** @type {!Array.<!Workspace.UISourceCode>} */
-    this._uiSourceCodes = [];
-    var projects = Workspace.workspace.projects().filter(this.filterProject.bind(this));
-    for (var i = 0; i < projects.length; ++i) {
-      if (skipProject && projects[i] === skipProject)
-        continue;
-      var uiSourceCodes = projects[i].uiSourceCodes().filter(this._filterUISourceCode.bind(this));
-      this._uiSourceCodes = this._uiSourceCodes.concat(uiSourceCodes);
-    }
-  }
-
-  /**
-   * @param {!Workspace.UISourceCode} uiSourceCode
-   * @return {boolean}
-   */
-  _filterUISourceCode(uiSourceCode) {
-    var binding = Persistence.persistence.binding(uiSourceCode);
-    return !binding || binding.fileSystem === uiSourceCode;
-  }
-
-  /**
-   * @param {?Workspace.UISourceCode} uiSourceCode
-   * @param {number=} lineNumber
-   * @param {number=} columnNumber
-   */
-  uiSourceCodeSelected(uiSourceCode, lineNumber, columnNumber) {
-    // Overridden by subclasses
-  }
-
-  /**
-   * @param {!Workspace.Project} project
-   * @return {boolean}
-   */
-  filterProject(project) {
-    return true;
-    // Overridden by subclasses
-  }
-
-  /**
-   * @override
-   * @return {number}
-   */
-  itemCount() {
-    return this._uiSourceCodes.length;
-  }
-
-  /**
-   * @override
-   * @param {number} itemIndex
-   * @return {string}
-   */
-  itemKeyAt(itemIndex) {
-    return this._uiSourceCodes[itemIndex].url();
-  }
-
-  /**
-   * @override
-   * @param {number} itemIndex
-   * @param {string} query
-   * @return {number}
-   */
-  itemScoreAt(itemIndex, query) {
-    var uiSourceCode = this._uiSourceCodes[itemIndex];
-    var score = this._defaultScores ? (this._defaultScores.get(uiSourceCode) || 0) : 0;
-    if (!query || query.length < 2)
-      return score;
-
-    if (this._query !== query) {
-      this._query = query;
-      this._scorer = new Sources.FilePathScoreFunction(query);
-    }
-
-    var fullDisplayName = uiSourceCode.fullDisplayName();
-    return score + 10 * this._scorer.score(fullDisplayName, null);
-  }
-
-  /**
-   * @override
-   * @param {number} itemIndex
-   * @param {string} query
-   * @param {!Element} titleElement
-   * @param {!Element} subtitleElement
-   */
-  renderItem(itemIndex, query, titleElement, subtitleElement) {
-    query = this.rewriteQuery(query);
-    var uiSourceCode = this._uiSourceCodes[itemIndex];
-    var fullDisplayName = uiSourceCode.fullDisplayName();
-    var indexes = [];
-    new Sources.FilePathScoreFunction(query).score(fullDisplayName, indexes);
-    var fileNameIndex = fullDisplayName.lastIndexOf('/');
-
-    titleElement.textContent = uiSourceCode.displayName() + (this._queryLineNumberAndColumnNumber || '');
-    this._renderSubtitleElement(subtitleElement, fullDisplayName);
-    subtitleElement.title = fullDisplayName;
-    var ranges = [];
-    for (var i = 0; i < indexes.length; ++i)
-      ranges.push({offset: indexes[i], length: 1});
-
-    if (indexes[0] > fileNameIndex) {
-      for (var i = 0; i < ranges.length; ++i)
-        ranges[i].offset -= fileNameIndex + 1;
-      UI.highlightRangesWithStyleClass(titleElement, ranges, 'highlight');
-    } else {
-      UI.highlightRangesWithStyleClass(subtitleElement, ranges, 'highlight');
-    }
-  }
-
-  /**
-   * @param {!Element} element
-   * @param {string} text
-   */
-  _renderSubtitleElement(element, text) {
-    element.removeChildren();
-    var splitPosition = text.lastIndexOf('/');
-    if (text.length > 55)
-      splitPosition = text.length - 55;
-    var first = element.createChild('div', 'first-part');
-    first.textContent = text.substring(0, splitPosition);
-    var second = element.createChild('div', 'second-part');
-    second.textContent = text.substring(splitPosition);
-    element.title = text;
-  }
-
-  /**
-   * @override
-   * @param {?number} itemIndex
-   * @param {string} promptValue
-   */
-  selectItem(itemIndex, promptValue) {
-    var parsedExpression = promptValue.trim().match(/^([^:]*)(:\d+)?(:\d+)?$/);
-    if (!parsedExpression)
-      return;
-
-    var lineNumber;
-    var columnNumber;
-    if (parsedExpression[2])
-      lineNumber = parseInt(parsedExpression[2].substr(1), 10) - 1;
-    if (parsedExpression[3])
-      columnNumber = parseInt(parsedExpression[3].substr(1), 10) - 1;
-    var uiSourceCode = itemIndex !== null ? this._uiSourceCodes[itemIndex] : null;
-    this.uiSourceCodeSelected(uiSourceCode, lineNumber, columnNumber);
-  }
-
-  /**
-   * @override
-   * @param {string} query
-   * @return {string}
-   */
-  rewriteQuery(query) {
-    query = query ? query.trim() : '';
-    if (!query || query === ':')
-      return '';
-    var lineNumberMatch = query.match(/^([^:]+)((?::[^:]*){0,2})$/);
-    this._queryLineNumberAndColumnNumber = lineNumberMatch ? lineNumberMatch[2] : '';
-    return lineNumberMatch ? lineNumberMatch[1] : query;
-  }
-
-  /**
-   * @param {!Common.Event} event
-   */
-  _uiSourceCodeAdded(event) {
-    var uiSourceCode = /** @type {!Workspace.UISourceCode} */ (event.data);
-    if (!this._filterUISourceCode(uiSourceCode) || !this.filterProject(uiSourceCode.project()))
-      return;
-    this._uiSourceCodes.push(uiSourceCode);
-    this.refresh();
-  }
-
-  /**
-   * @override
-   * @return {string}
-   */
-  notFoundText() {
-    return Common.UIString('No files found');
-  }
-
-  /**
-   * @override
-   */
-  dispose() {
-    Workspace.workspace.removeEventListener(
-        Workspace.Workspace.Events.UISourceCodeAdded, this._uiSourceCodeAdded, this);
-    Workspace.workspace.removeEventListener(Workspace.Workspace.Events.ProjectRemoved, this._projectRemoved, this);
-  }
-};