DevTools: extract modules (with extensions)

third_party/WebKit/Source/devtools/front_end/components_lazy/LineLevelProfile.js

-// Copyright 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
- */
-Components.LineLevelProfile = class {
-  constructor() {
-    this._locationPool = new Bindings.LiveLocationPool();
-    this.reset();
-  }
-
-  /**
-   * @return {!Components.LineLevelProfile}
-   */
-  static instance() {
-    if (!Components.LineLevelProfile._instance)
-      Components.LineLevelProfile._instance = new Components.LineLevelProfile();
-    return Components.LineLevelProfile._instance;
-  }
-
-  /**
-   * @param {!SDK.CPUProfileDataModel} profile
-   */
-  appendCPUProfile(profile) {
-    var nodesToGo = [profile.profileHead];
-    var sampleDuration = (profile.profileEndTime - profile.profileStartTime) / profile.totalHitCount;
-    while (nodesToGo.length) {
-      var nodes = nodesToGo.pop().children;
-      for (var i = 0; i < nodes.length; ++i) {
-        var node = nodes[i];
-        nodesToGo.push(node);
-        if (!node.url || !node.positionTicks)
-          continue;
-        var fileInfo = this._files.get(node.url);
-        if (!fileInfo) {
-          fileInfo = new Map();
-          this._files.set(node.url, fileInfo);
-        }
-        for (var j = 0; j < node.positionTicks.length; ++j) {
-          var lineInfo = node.positionTicks[j];
-          var line = lineInfo.line;
-          var time = lineInfo.ticks * sampleDuration;
-          fileInfo.set(line, (fileInfo.get(line) || 0) + time);
-        }
-      }
-    }
-    this._scheduleUpdate();
-  }
-
-  reset() {
-    /** @type {!Map<string, !Map<number, number>>} */
-    this._files = new Map();
-    this._scheduleUpdate();
-  }
-
-  _scheduleUpdate() {
-    if (this._updateTimer)
-      return;
-    this._updateTimer = setTimeout(() => {
-      this._updateTimer = null;
-      this._doUpdate();
-    }, 0);
-  }
-
-  _doUpdate() {
-    // TODO(alph): use scriptId instead of urls for the target.
-    this._locationPool.disposeAll();
-    Workspace.workspace.uiSourceCodes().forEach(
-        uiSourceCode => uiSourceCode.removeDecorationsForType(Components.LineLevelProfile.LineDecorator.type));
-    for (var fileInfo of this._files) {
-      var url = /** @type {string} */ (fileInfo[0]);
-      var uiSourceCode = Workspace.workspace.uiSourceCodeForURL(url);
-      if (!uiSourceCode)
-        continue;
-      var target = Bindings.NetworkProject.targetForUISourceCode(uiSourceCode) || SDK.targetManager.mainTarget();
-      var debuggerModel = target ? SDK.DebuggerModel.fromTarget(target) : null;
-      if (!debuggerModel)
-        continue;
-      for (var lineInfo of fileInfo[1]) {
-        var line = lineInfo[0] - 1;
-        var time = lineInfo[1];
-        var rawLocation = debuggerModel.createRawLocationByURL(url, line, 0);
-        if (rawLocation)
-          new Components.LineLevelProfile.Presentation(rawLocation, time, this._locationPool);
-        else if (uiSourceCode)
-          uiSourceCode.addLineDecoration(line, Components.LineLevelProfile.LineDecorator.type, time);
-      }
-    }
-  }
-};
-
-
-/**
- * @unrestricted
- */
-Components.LineLevelProfile.Presentation = class {
-  /**
-   * @param {!SDK.DebuggerModel.Location} rawLocation
-   * @param {number} time
-   * @param {!Bindings.LiveLocationPool} locationPool
-   */
-  constructor(rawLocation, time, locationPool) {
-    this._time = time;
-    Bindings.debuggerWorkspaceBinding.createLiveLocation(rawLocation, this.updateLocation.bind(this), locationPool);
-  }
-
-  /**
-   * @param {!Bindings.LiveLocation} liveLocation
-   */
-  updateLocation(liveLocation) {
-    if (this._uiLocation)
-      this._uiLocation.uiSourceCode.removeDecorationsForType(Components.LineLevelProfile.LineDecorator.type);
-    this._uiLocation = liveLocation.uiLocation();
-    if (this._uiLocation) {
-      this._uiLocation.uiSourceCode.addLineDecoration(
-          this._uiLocation.lineNumber, Components.LineLevelProfile.LineDecorator.type, this._time);
-    }
-  }
-};
-
-/**
- * @implements {Sources.UISourceCodeFrame.LineDecorator}
- * @unrestricted
- */
-Components.LineLevelProfile.LineDecorator = class {
-  /**
-   * @override
-   * @param {!Workspace.UISourceCode} uiSourceCode
-   * @param {!TextEditor.CodeMirrorTextEditor} textEditor
-   */
-  decorate(uiSourceCode, textEditor) {
-    var gutterType = 'CodeMirror-gutter-performance';
-    var decorations = uiSourceCode.decorationsForType(Components.LineLevelProfile.LineDecorator.type);
-    textEditor.uninstallGutter(gutterType);
-    if (!decorations || !decorations.size)
-      return;
-    textEditor.installGutter(gutterType, false);
-    for (var decoration of decorations) {
-      var time = /** @type {number} */ (decoration.data());
-      var text = Common.UIString('%.1f\xa0ms', time);
-      var intensity = Number.constrain(Math.log10(1 + 2 * time) / 5, 0.02, 1);
-      var element = createElementWithClass('div', 'text-editor-line-marker-performance');
-      element.textContent = text;
-      element.style.backgroundColor = `hsla(44, 100%, 50%, ${intensity.toFixed(3)})`;
-      textEditor.setGutterDecoration(decoration.range().startLine, gutterType, element);
-    }
-  }
-};
-
-Components.LineLevelProfile.LineDecorator.type = 'performance';