DevTools: reformat front-end code to match chromium style.

third_party/WebKit/Source/devtools/front_end/layer_viewer/LayerDetailsView.js

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
  *     * Neither the name of Google Inc. nor the names of its
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-
 /**
- * @constructor
- * @param {!WebInspector.LayerViewHost} layerViewHost
- * @extends {WebInspector.Widget}
  * @implements {WebInspector.LayerView}
+ * @unrestricted
  */
-WebInspector.LayerDetailsView = function(layerViewHost)
-{
-    WebInspector.Widget.call(this, true);
-    this.registerRequiredCSS("layer_viewer/layerDetailsView.css");
+WebInspector.LayerDetailsView = class extends WebInspector.Widget {
+  /**
+   * @param {!WebInspector.LayerViewHost} layerViewHost
+   */
+  constructor(layerViewHost) {
+    super(true);
+    this.registerRequiredCSS('layer_viewer/layerDetailsView.css');
     this._layerViewHost = layerViewHost;
     this._layerViewHost.registerView(this);
-    this._emptyWidget = new WebInspector.EmptyWidget(WebInspector.UIString("Select a layer to see its details"));
+    this._emptyWidget = new WebInspector.EmptyWidget(WebInspector.UIString('Select a layer to see its details'));
     this._buildContent();
+  }
+
+  /**
+   * @param {?WebInspector.LayerView.Selection} selection
+   * @override
+   */
+  hoverObject(selection) {
+  }
+
+  /**
+   * @param {?WebInspector.LayerView.Selection} selection
+   * @override
+   */
+  selectObject(selection) {
+    this._selection = selection;
+    if (this.isShowing())
+      this.update();
+  }
+
+  /**
+   * @param {?WebInspector.LayerTreeBase} layerTree
+   * @override
+   */
+  setLayerTree(layerTree) {
+  }
+
+  /**
+   * @override
+   */
+  wasShown() {
+    super.wasShown();
+    this.update();
+  }
+
+  /**
+   * @param {number} index
+   * @param {!Event} event
+   */
+  _onScrollRectClicked(index, event) {
+    if (event.which !== 1)
+      return;
+    this._layerViewHost.selectObject(new WebInspector.LayerView.ScrollRectSelection(this._selection.layer(), index));
+  }
+
+  _onPaintProfilerButtonClicked() {
+    if (this._selection.type() === WebInspector.LayerView.Selection.Type.Snapshot || this._selection.layer())
+      this.dispatchEventToListeners(WebInspector.LayerDetailsView.Events.PaintProfilerRequested, this._selection);
+  }
+
+  /**
+   * @param {!LayerTreeAgent.ScrollRect} scrollRect
+   * @param {number} index
+   */
+  _createScrollRectElement(scrollRect, index) {
+    if (index)
+      this._scrollRectsCell.createTextChild(', ');
+    var element = this._scrollRectsCell.createChild('span', 'scroll-rect');
+    if (this._selection.scrollRectIndex === index)
+      element.classList.add('active');
+    element.textContent = WebInspector.UIString(
+        '%s (%s, %s, %s, %s)', WebInspector.LayerDetailsView._slowScrollRectNames.get(scrollRect.type),
+        scrollRect.rect.x, scrollRect.rect.y, scrollRect.rect.width, scrollRect.rect.height);
+    element.addEventListener('click', this._onScrollRectClicked.bind(this, index), false);
+  }
+
+  update() {
+    var layer = this._selection && this._selection.layer();
+    if (!layer) {
+      this._tableElement.remove();
+      this._paintProfilerButton.remove();
+      this._emptyWidget.show(this.contentElement);
+      return;
+    }
+    this._emptyWidget.detach();
+    this.contentElement.appendChild(this._tableElement);
+    this.contentElement.appendChild(this._paintProfilerButton);
+    this._sizeCell.textContent =
+        WebInspector.UIString('%d × %d (at %d,%d)', layer.width(), layer.height(), layer.offsetX(), layer.offsetY());
+    this._paintCountCell.parentElement.classList.toggle('hidden', !layer.paintCount());
+    this._paintCountCell.textContent = layer.paintCount();
+    this._memoryEstimateCell.textContent = Number.bytesToString(layer.gpuMemoryUsage());
+    layer.requestCompositingReasons(this._updateCompositingReasons.bind(this));
+    this._scrollRectsCell.removeChildren();
+    layer.scrollRects().forEach(this._createScrollRectElement.bind(this));
+    var snapshot = this._selection.type() === WebInspector.LayerView.Selection.Type.Snapshot ?
+        /** @type {!WebInspector.LayerView.SnapshotSelection} */ (this._selection).snapshot() :
+        null;
+    this._paintProfilerButton.classList.toggle('hidden', !snapshot);
+  }
+
+  _buildContent() {
+    this._tableElement = this.contentElement.createChild('table');
+    this._tbodyElement = this._tableElement.createChild('tbody');
+    this._sizeCell = this._createRow(WebInspector.UIString('Size'));
+    this._compositingReasonsCell = this._createRow(WebInspector.UIString('Compositing Reasons'));
+    this._memoryEstimateCell = this._createRow(WebInspector.UIString('Memory estimate'));
+    this._paintCountCell = this._createRow(WebInspector.UIString('Paint count'));
+    this._scrollRectsCell = this._createRow(WebInspector.UIString('Slow scroll regions'));
+    this._paintProfilerButton = this.contentElement.createChild('a', 'hidden link');
+    this._paintProfilerButton.textContent = WebInspector.UIString('Paint Profiler');
+    this._paintProfilerButton.addEventListener('click', this._onPaintProfilerButtonClicked.bind(this));
+  }
+
+  /**
+   * @param {string} title
+   */
+  _createRow(title) {
+    var tr = this._tbodyElement.createChild('tr');
+    var titleCell = tr.createChild('td');
+    titleCell.textContent = title;
+    return tr.createChild('td');
+  }
+
+  /**
+   * @param {!Array.<string>} compositingReasons
+   */
+  _updateCompositingReasons(compositingReasons) {
+    if (!compositingReasons || !compositingReasons.length) {
+      this._compositingReasonsCell.textContent = 'n/a';
+      return;
+    }
+    this._compositingReasonsCell.removeChildren();
+    var list = this._compositingReasonsCell.createChild('ul');
+    for (var i = 0; i < compositingReasons.length; ++i) {
+      var text = WebInspector.LayerDetailsView.CompositingReasonDetail[compositingReasons[i]] || compositingReasons[i];
+      // If the text is more than one word but does not terminate with period, add the period.
+      if (/\s.*[^.]$/.test(text))
+        text += '.';
+      list.createChild('li').textContent = text;
+    }
+  }
 };
 
 /**
  * @enum {string}
  */
 /** @enum {symbol} */
 WebInspector.LayerDetailsView.Events = {
-    PaintProfilerRequested: Symbol("PaintProfilerRequested")
+  PaintProfilerRequested: Symbol('PaintProfilerRequested')
 };
 
 /**
  * @type {!Object.<string, string>}
  */
 WebInspector.LayerDetailsView.CompositingReasonDetail = {
-    "transform3D": WebInspector.UIString("Composition due to association with an element with a CSS 3D transform."),
-    "video": WebInspector.UIString("Composition due to association with a <video> element."),
-    "canvas": WebInspector.UIString("Composition due to the element being a <canvas> element."),
-    "plugin": WebInspector.UIString("Composition due to association with a plugin."),
-    "iFrame": WebInspector.UIString("Composition due to association with an <iframe> element."),
-    "backfaceVisibilityHidden": WebInspector.UIString("Composition due to association with an element with a \"backface-visibility: hidden\" style."),
-    "animation": WebInspector.UIString("Composition due to association with an animated element."),
-    "filters": WebInspector.UIString("Composition due to association with an element with CSS filters applied."),
-    "scrollDependentPosition": WebInspector.UIString("Composition due to association with an element with a \"position: fixed\" or \"position: sticky\" style."),
-    "overflowScrollingTouch": WebInspector.UIString("Composition due to association with an element with a \"overflow-scrolling: touch\" style."),
-    "blending": WebInspector.UIString("Composition due to association with an element that has blend mode other than \"normal\"."),
-    "assumedOverlap": WebInspector.UIString("Composition due to association with an element that may overlap other composited elements."),
-    "overlap": WebInspector.UIString("Composition due to association with an element overlapping other composited elements."),
-    "negativeZIndexChildren": WebInspector.UIString("Composition due to association with an element with descendants that have a negative z-index."),
-    "transformWithCompositedDescendants": WebInspector.UIString("Composition due to association with an element with composited descendants."),
-    "opacityWithCompositedDescendants": WebInspector.UIString("Composition due to association with an element with opacity applied and composited descendants."),
-    "maskWithCompositedDescendants": WebInspector.UIString("Composition due to association with a masked element and composited descendants."),
-    "reflectionWithCompositedDescendants": WebInspector.UIString("Composition due to association with an element with a reflection and composited descendants."),
-    "filterWithCompositedDescendants": WebInspector.UIString("Composition due to association with an element with CSS filters applied and composited descendants."),
-    "blendingWithCompositedDescendants": WebInspector.UIString("Composition due to association with an element with CSS blending applied and composited descendants."),
-    "clipsCompositingDescendants": WebInspector.UIString("Composition due to association with an element clipping compositing descendants."),
-    "perspective": WebInspector.UIString("Composition due to association with an element with perspective applied."),
-    "preserve3D": WebInspector.UIString("Composition due to association with an element with a \"transform-style: preserve-3d\" style."),
-    "root": WebInspector.UIString("Root layer."),
-    "layerForClip": WebInspector.UIString("Layer for clip."),
-    "layerForScrollbar": WebInspector.UIString("Layer for scrollbar."),
-    "layerForScrollingContainer": WebInspector.UIString("Layer for scrolling container."),
-    "layerForForeground": WebInspector.UIString("Layer for foreground."),
-    "layerForBackground": WebInspector.UIString("Layer for background."),
-    "layerForMask": WebInspector.UIString("Layer for mask."),
-    "layerForVideoOverlay": WebInspector.UIString("Layer for video overlay."),
+  'transform3D': WebInspector.UIString('Composition due to association with an element with a CSS 3D transform.'),
+  'video': WebInspector.UIString('Composition due to association with a <video> element.'),
+  'canvas': WebInspector.UIString('Composition due to the element being a <canvas> element.'),
+  'plugin': WebInspector.UIString('Composition due to association with a plugin.'),
+  'iFrame': WebInspector.UIString('Composition due to association with an <iframe> element.'),
+  'backfaceVisibilityHidden': WebInspector.UIString(
+      'Composition due to association with an element with a "backface-visibility: hidden" style.'),
+  'animation': WebInspector.UIString('Composition due to association with an animated element.'),
+  'filters': WebInspector.UIString('Composition due to association with an element with CSS filters applied.'),
+  'scrollDependentPosition': WebInspector.UIString(
+      'Composition due to association with an element with a "position: fixed" or "position: sticky" style.'),
+  'overflowScrollingTouch':
+      WebInspector.UIString('Composition due to association with an element with a "overflow-scrolling: touch" style.'),
+  'blending':
+      WebInspector.UIString('Composition due to association with an element that has blend mode other than "normal".'),
+  'assumedOverlap': WebInspector.UIString(
+      'Composition due to association with an element that may overlap other composited elements.'),
+  'overlap':
+      WebInspector.UIString('Composition due to association with an element overlapping other composited elements.'),
+  'negativeZIndexChildren': WebInspector.UIString(
+      'Composition due to association with an element with descendants that have a negative z-index.'),
+  'transformWithCompositedDescendants':
+      WebInspector.UIString('Composition due to association with an element with composited descendants.'),
+  'opacityWithCompositedDescendants': WebInspector.UIString(
+      'Composition due to association with an element with opacity applied and composited descendants.'),
+  'maskWithCompositedDescendants':
+      WebInspector.UIString('Composition due to association with a masked element and composited descendants.'),
+  'reflectionWithCompositedDescendants': WebInspector.UIString(
+      'Composition due to association with an element with a reflection and composited descendants.'),
+  'filterWithCompositedDescendants': WebInspector.UIString(
+      'Composition due to association with an element with CSS filters applied and composited descendants.'),
+  'blendingWithCompositedDescendants': WebInspector.UIString(
+      'Composition due to association with an element with CSS blending applied and composited descendants.'),
+  'clipsCompositingDescendants':
+      WebInspector.UIString('Composition due to association with an element clipping compositing descendants.'),
+  'perspective': WebInspector.UIString('Composition due to association with an element with perspective applied.'),
+  'preserve3D': WebInspector.UIString(
+      'Composition due to association with an element with a "transform-style: preserve-3d" style.'),
+  'root': WebInspector.UIString('Root layer.'),
+  'layerForClip': WebInspector.UIString('Layer for clip.'),
+  'layerForScrollbar': WebInspector.UIString('Layer for scrollbar.'),
+  'layerForScrollingContainer': WebInspector.UIString('Layer for scrolling container.'),
+  'layerForForeground': WebInspector.UIString('Layer for foreground.'),
+  'layerForBackground': WebInspector.UIString('Layer for background.'),
+  'layerForMask': WebInspector.UIString('Layer for mask.'),
+  'layerForVideoOverlay': WebInspector.UIString('Layer for video overlay.'),
 };
 
 WebInspector.LayerDetailsView._slowScrollRectNames = new Map([
-    [WebInspector.Layer.ScrollRectType.NonFastScrollable, WebInspector.UIString("Non fast scrollable")],
-    [WebInspector.Layer.ScrollRectType.TouchEventHandler, WebInspector.UIString("Touch event handler")],
-    [WebInspector.Layer.ScrollRectType.WheelEventHandler,WebInspector.UIString("Wheel event handler")],
-    [WebInspector.Layer.ScrollRectType.RepaintsOnScroll, WebInspector.UIString("Repaints on scroll")]
+  [WebInspector.Layer.ScrollRectType.NonFastScrollable, WebInspector.UIString('Non fast scrollable')],
+  [WebInspector.Layer.ScrollRectType.TouchEventHandler, WebInspector.UIString('Touch event handler')],
+  [WebInspector.Layer.ScrollRectType.WheelEventHandler, WebInspector.UIString('Wheel event handler')],
+  [WebInspector.Layer.ScrollRectType.RepaintsOnScroll, WebInspector.UIString('Repaints on scroll')]
 ]);
-
-WebInspector.LayerDetailsView.prototype = {
-    /**
-     * @param {?WebInspector.LayerView.Selection} selection
-     * @override
-     */
-    hoverObject: function(selection) { },
-
-    /**
-     * @param {?WebInspector.LayerView.Selection} selection
-     * @override
-     */
-    selectObject: function(selection)
-    {
-        this._selection = selection;
-        if (this.isShowing())
-            this.update();
-    },
-
-    /**
-     * @param {?WebInspector.LayerTreeBase} layerTree
-     * @override
-     */
-    setLayerTree: function(layerTree) { },
-
-    wasShown: function()
-    {
-        WebInspector.Widget.prototype.wasShown.call(this);
-        this.update();
-    },
-
-    /**
-     * @param {number} index
-     * @param {!Event} event
-     */
-    _onScrollRectClicked: function(index, event)
-    {
-        if (event.which !== 1)
-            return;
-        this._layerViewHost.selectObject(new WebInspector.LayerView.ScrollRectSelection(this._selection.layer(), index));
-    },
-
-    _onPaintProfilerButtonClicked: function()
-    {
-        if (this._selection.type() === WebInspector.LayerView.Selection.Type.Snapshot || this._selection.layer())
-            this.dispatchEventToListeners(WebInspector.LayerDetailsView.Events.PaintProfilerRequested, this._selection);
-    },
-
-    /**
-     * @param {!LayerTreeAgent.ScrollRect} scrollRect
-     * @param {number} index
-     */
-    _createScrollRectElement: function(scrollRect, index)
-    {
-        if (index)
-            this._scrollRectsCell.createTextChild(", ");
-        var element = this._scrollRectsCell.createChild("span", "scroll-rect");
-        if (this._selection.scrollRectIndex === index)
-            element.classList.add("active");
-        element.textContent = WebInspector.UIString("%s (%s, %s, %s, %s)",
-            WebInspector.LayerDetailsView._slowScrollRectNames.get(scrollRect.type),
-            scrollRect.rect.x, scrollRect.rect.y, scrollRect.rect.width, scrollRect.rect.height);
-        element.addEventListener("click", this._onScrollRectClicked.bind(this, index), false);
-    },
-
-    update: function()
-    {
-        var layer = this._selection && this._selection.layer();
-        if (!layer) {
-            this._tableElement.remove();
-            this._paintProfilerButton.remove();
-            this._emptyWidget.show(this.contentElement);
-            return;
-        }
-        this._emptyWidget.detach();
-        this.contentElement.appendChild(this._tableElement);
-        this.contentElement.appendChild(this._paintProfilerButton);
-        this._sizeCell.textContent = WebInspector.UIString("%d × %d (at %d,%d)", layer.width(), layer.height(), layer.offsetX(), layer.offsetY());
-        this._paintCountCell.parentElement.classList.toggle("hidden", !layer.paintCount());
-        this._paintCountCell.textContent = layer.paintCount();
-        this._memoryEstimateCell.textContent = Number.bytesToString(layer.gpuMemoryUsage());
-        layer.requestCompositingReasons(this._updateCompositingReasons.bind(this));
-        this._scrollRectsCell.removeChildren();
-        layer.scrollRects().forEach(this._createScrollRectElement.bind(this));
-        var snapshot = this._selection.type() === WebInspector.LayerView.Selection.Type.Snapshot ? /** @type {!WebInspector.LayerView.SnapshotSelection} */ (this._selection).snapshot() : null;
-        this._paintProfilerButton.classList.toggle("hidden", !snapshot);
-    },
-
-    _buildContent: function()
-    {
-        this._tableElement = this.contentElement.createChild("table");
-        this._tbodyElement = this._tableElement.createChild("tbody");
-        this._sizeCell = this._createRow(WebInspector.UIString("Size"));
-        this._compositingReasonsCell = this._createRow(WebInspector.UIString("Compositing Reasons"));
-        this._memoryEstimateCell = this._createRow(WebInspector.UIString("Memory estimate"));
-        this._paintCountCell = this._createRow(WebInspector.UIString("Paint count"));
-        this._scrollRectsCell = this._createRow(WebInspector.UIString("Slow scroll regions"));
-        this._paintProfilerButton = this.contentElement.createChild("a", "hidden link");
-        this._paintProfilerButton.textContent = WebInspector.UIString("Paint Profiler");
-        this._paintProfilerButton.addEventListener("click", this._onPaintProfilerButtonClicked.bind(this));
-    },
-
-    /**
-     * @param {string} title
-     */
-    _createRow: function(title)
-    {
-        var tr = this._tbodyElement.createChild("tr");
-        var titleCell = tr.createChild("td");
-        titleCell.textContent = title;
-        return tr.createChild("td");
-    },
-
-    /**
-     * @param {!Array.<string>} compositingReasons
-     */
-    _updateCompositingReasons: function(compositingReasons)
-    {
-        if (!compositingReasons || !compositingReasons.length) {
-            this._compositingReasonsCell.textContent = "n/a";
-            return;
-        }
-        this._compositingReasonsCell.removeChildren();
-        var list = this._compositingReasonsCell.createChild("ul");
-        for (var i = 0; i < compositingReasons.length; ++i) {
-            var text = WebInspector.LayerDetailsView.CompositingReasonDetail[compositingReasons[i]] || compositingReasons[i];
-            // If the text is more than one word but does not terminate with period, add the period.
-            if (/\s.*[^.]$/.test(text))
-                text += ".";
-            list.createChild("li").textContent = text;
-        }
-    },
-
-    __proto__: WebInspector.Widget.prototype
-};