Andrew Zambazos
440 lines
16 KiB
JavaScript
440 lines
16 KiB
JavaScript
/*
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* Copyright (C) 2013, 2015 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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WI.LayerTreeDetailsSidebarPanel = class LayerTreeDetailsSidebarPanel extends WI.DOMDetailsSidebarPanel
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{
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constructor()
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{
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super("layer-tree", WI.UIString("Layers"));
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this._dataGridNodesByLayerId = new Map;
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this.element.classList.add("layer-tree");
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}
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// DetailsSidebarPanel Overrides.
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attached()
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{
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super.attached();
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WI.layerTreeManager.addEventListener(WI.LayerTreeManager.Event.LayerTreeDidChange, this._layerTreeDidChange, this);
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}
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detached()
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{
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WI.layerTreeManager.removeEventListener(WI.LayerTreeManager.Event.LayerTreeDidChange, this._layerTreeDidChange, this);
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super.detached();
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}
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// DOMDetailsSidebarPanel Overrides
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supportsDOMNode(nodeToInspect)
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{
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return WI.layerTreeManager.supported && nodeToInspect.nodeType() === Node.ELEMENT_NODE;
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}
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// Protected
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initialLayout()
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{
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super.initialLayout();
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this._buildLayerInfoSection();
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this._buildDataGridSection();
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this._buildBottomBar();
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}
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layout()
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{
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super.layout();
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if (!this.domNode || this.domNode.destroyed)
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return;
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WI.layerTreeManager.layersForNode(this.domNode, (layers) => {
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let layerForNode = layers[0] && layers[0].nodeId === this.domNode.id && !layers[0].isGeneratedContent ? layers[0] : null;
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let childLayers = layers.slice(layerForNode ? 1 : 0);
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this._unfilteredChildLayers = childLayers;
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this._updateDisplayWithLayers(layerForNode, childLayers);
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});
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}
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sizeDidChange()
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{
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super.sizeDidChange();
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// FIXME: <https://webkit.org/b/152269> Web Inspector: Convert DetailsSection classes to use View
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this._childLayersRow.sizeDidChange();
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}
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// Private
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_layerTreeDidChange(event)
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{
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this.needsLayout();
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}
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_buildLayerInfoSection()
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{
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var rows = this._layerInfoRows = {};
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var rowsArray = [];
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rowsArray.push(rows["Width"] = new WI.DetailsSectionSimpleRow(WI.UIString("Width")));
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rowsArray.push(rows["Height"] = new WI.DetailsSectionSimpleRow(WI.UIString("Height")));
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rowsArray.push(rows["Paints"] = new WI.DetailsSectionSimpleRow(WI.UIString("Paints")));
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rowsArray.push(rows["Memory"] = new WI.DetailsSectionSimpleRow(WI.UIString("Memory")));
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this._layerInfoGroup = new WI.DetailsSectionGroup(rowsArray);
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var emptyRow = new WI.DetailsSectionRow(WI.UIString("No Layer Available"));
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emptyRow.showEmptyMessage();
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this._noLayerInformationGroup = new WI.DetailsSectionGroup([emptyRow]);
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this._layerInfoSection = new WI.DetailsSection("layer-info", WI.UIString("Layer Info"), [this._noLayerInformationGroup]);
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this.contentView.element.appendChild(this._layerInfoSection.element);
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}
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_buildDataGridSection()
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{
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var columns = {name: {}, paintCount: {}, memory: {}};
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columns.name.title = WI.UIString("Node");
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columns.name.sortable = false;
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columns.paintCount.title = WI.UIString("Paints", "Paints @ Column title", "A count of how many times an element was painted (rendered)");
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columns.paintCount.sortable = true;
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columns.paintCount.aligned = "right";
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columns.paintCount.width = "70px";
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columns.memory.title = WI.UIString("Memory");
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columns.memory.sortable = true;
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columns.memory.aligned = "right";
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columns.memory.width = "70px";
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this._dataGrid = new WI.DataGrid(columns);
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this._dataGrid.inline = true;
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this._dataGrid.addEventListener(WI.DataGrid.Event.SortChanged, this._sortDataGrid, this);
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this._dataGrid.addEventListener(WI.DataGrid.Event.SelectedNodeChanged, this._selectedDataGridNodeChanged, this);
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this._dataGrid.sortColumnIdentifier = "memory";
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this._dataGrid.sortOrder = WI.DataGrid.SortOrder.Descending;
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this._dataGrid.createSettings("layer-tree-details-sidebar-panel");
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var element = this._dataGrid.element;
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element.addEventListener("focus", this._dataGridGainedFocus.bind(this), false);
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element.addEventListener("blur", this._dataGridLostFocus.bind(this), false);
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element.addEventListener("click", this._dataGridWasClicked.bind(this), false);
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this._childLayersRow = new WI.DetailsSectionDataGridRow(null, WI.UIString("No Child Layers"));
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var group = new WI.DetailsSectionGroup([this._childLayersRow]);
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var section = new WI.DetailsSection("layer-children", WI.UIString("Child Layers"), [group], null, true);
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this.contentView.element.appendChild(section.element);
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}
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_buildBottomBar()
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{
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var bottomBar = this.element.appendChild(document.createElement("div"));
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bottomBar.className = "bottom-bar";
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this._layersCountLabel = bottomBar.appendChild(document.createElement("div"));
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this._layersCountLabel.className = "layers-count-label";
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this._layersMemoryLabel = bottomBar.appendChild(document.createElement("div"));
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this._layersMemoryLabel.className = "layers-memory-label";
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}
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_sortDataGrid()
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{
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var sortColumnIdentifier = this._dataGrid.sortColumnIdentifier;
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function comparator(a, b)
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{
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var item1 = a.layer[sortColumnIdentifier] || 0;
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var item2 = b.layer[sortColumnIdentifier] || 0;
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return item1 - item2;
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}
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this._dataGrid.sortNodes(comparator);
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this._updatePopoverForSelectedNode();
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}
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_selectedDataGridNodeChanged()
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{
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if (this._dataGrid.selectedNode) {
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this._highlightSelectedNode();
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this._showPopoverForSelectedNode();
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} else {
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WI.domManager.hideDOMNodeHighlight();
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this._hidePopover();
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}
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}
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_dataGridGainedFocus(event)
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{
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this._highlightSelectedNode();
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this._showPopoverForSelectedNode();
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}
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_dataGridLostFocus(event)
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{
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WI.domManager.hideDOMNodeHighlight();
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this._hidePopover();
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}
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_dataGridWasClicked(event)
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{
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if (this._dataGrid.selectedNode && event.target.parentNode.classList.contains("filler"))
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this._dataGrid.selectedNode.deselect();
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}
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_highlightSelectedNode()
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{
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var dataGridNode = this._dataGrid.selectedNode;
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if (!dataGridNode)
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return;
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var layer = dataGridNode.layer;
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if (layer.isGeneratedContent || layer.isReflection || layer.isAnonymous)
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WI.domManager.highlightRect(layer.bounds, true);
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else {
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let domNode = WI.domManager.nodeForId(layer.nodeId);
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if (domNode)
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domNode.highlight();
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else
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WI.domManager.hideDOMNodeHighlight();
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}
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}
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_updateDisplayWithLayers(layerForNode, childLayers)
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{
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this._updateLayerInfoSection(layerForNode);
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this._updateDataGrid(layerForNode, childLayers);
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this._updateMetrics(layerForNode, childLayers);
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this._layerForNode = layerForNode;
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this._childLayers = childLayers;
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}
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_updateLayerInfoSection(layer)
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{
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this._layerInfoSection.groups = layer ? [this._layerInfoGroup] : [this._noLayerInformationGroup];
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if (!layer)
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return;
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this._layerInfoRows["Memory"].value = Number.bytesToString(layer.memory);
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this._layerInfoRows["Width"].value = layer.compositedBounds.width + "px";
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this._layerInfoRows["Height"].value = layer.compositedBounds.height + "px";
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this._layerInfoRows["Paints"].value = layer.paintCount + "";
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}
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_updateDataGrid(layerForNode, childLayers)
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{
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let dataGrid = this._dataGrid;
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let mutations = WI.layerTreeManager.layerTreeMutations(this._childLayers, childLayers);
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mutations.removals.forEach(function(layer) {
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let node = this._dataGridNodesByLayerId.get(layer.layerId);
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if (node) {
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dataGrid.removeChild(node);
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this._dataGridNodesByLayerId.delete(layer.layerId);
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}
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}, this);
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mutations.additions.forEach(function(layer) {
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let node = this._dataGridNodeForLayer(layer);
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if (node)
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dataGrid.appendChild(node);
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}, this);
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mutations.preserved.forEach(function(layer) {
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let node = this._dataGridNodesByLayerId.get(layer.layerId);
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if (node)
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node.layer = layer;
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}, this);
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this._sortDataGrid();
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this._childLayersRow.dataGrid = !isEmptyObject(childLayers) ? this._dataGrid : null;
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}
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_dataGridNodeForLayer(layer)
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{
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let node = new WI.LayerTreeDataGridNode(layer);
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this._dataGridNodesByLayerId.set(layer.layerId, node);
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return node;
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}
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_updateMetrics(layerForNode, childLayers)
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{
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var layerCount = 0;
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var totalMemory = 0;
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if (layerForNode) {
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layerCount++;
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totalMemory += layerForNode.memory || 0;
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}
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childLayers.forEach(function(layer) {
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layerCount++;
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totalMemory += layer.memory || 0;
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});
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this._layersCountLabel.textContent = WI.UIString("Layer Count: %d").format(layerCount);
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this._layersMemoryLabel.textContent = WI.UIString("Memory: %s").format(Number.bytesToString(totalMemory));
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}
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_showPopoverForSelectedNode()
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{
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var dataGridNode = this._dataGrid.selectedNode;
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if (!dataGridNode)
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return;
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this._contentForPopover(dataGridNode.layer, (content) => {
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if (dataGridNode === this._dataGrid.selectedNode)
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this._updatePopoverForSelectedNode(content);
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});
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}
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_updatePopoverForSelectedNode(content)
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{
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var dataGridNode = this._dataGrid.selectedNode;
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if (!dataGridNode)
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return;
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var popover = this._popover;
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if (!popover) {
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popover = this._popover = new WI.Popover;
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popover.windowResizeHandler = () => { this._updatePopoverForSelectedNode(); };
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}
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var targetFrame = WI.Rect.rectFromClientRect(dataGridNode.element.getBoundingClientRect());
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if (content)
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this._popover.presentNewContentWithFrame(content, targetFrame.pad(2), [WI.RectEdge.MIN_X]);
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else
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popover.present(targetFrame.pad(2), [WI.RectEdge.MIN_X]);
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}
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_hidePopover()
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{
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if (this._popover)
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this._popover.dismiss();
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}
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_contentForPopover(layer, callback)
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{
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var content = document.createElement("div");
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content.className = "layer-tree-popover";
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content.appendChild(document.createElement("p")).textContent = WI.UIString("Reasons for compositing:");
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var list = content.appendChild(document.createElement("ul"));
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WI.layerTreeManager.reasonsForCompositingLayer(layer, (compositingReasons) => {
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if (isEmptyObject(compositingReasons)) {
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callback(content);
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return;
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}
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this._populateListOfCompositingReasons(list, compositingReasons);
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callback(content);
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});
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return content;
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}
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_populateListOfCompositingReasons(list, compositingReasons)
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{
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function addReason(reason)
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{
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list.appendChild(document.createElement("li")).textContent = reason;
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}
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if (compositingReasons.transform3D)
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addReason(WI.UIString("Element has a 3D transform"));
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if (compositingReasons.video)
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addReason(WI.UIString("Element is <video>"));
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if (compositingReasons.canvas)
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addReason(WI.UIString("Element is <canvas>"));
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if (compositingReasons.plugin)
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addReason(WI.UIString("Element is a plug-in"));
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if (compositingReasons.iFrame)
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addReason(WI.UIString("Element is <iframe>"));
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if (compositingReasons.model)
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addReason(WI.UIString("Element is <model>"));
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if (compositingReasons.backfaceVisibilityHidden)
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addReason(WI.UIString("Element has \u201Cbackface-visibility: hidden\u201D style"));
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if (compositingReasons.clipsCompositingDescendants)
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addReason(WI.UIString("Element clips compositing descendants"));
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if (compositingReasons.animation)
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addReason(WI.UIString("Element is animated"));
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if (compositingReasons.filters)
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addReason(WI.UIString("Element has CSS filters applied"));
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if (compositingReasons.positionFixed)
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addReason(WI.UIString("Element has \u201Cposition: fixed\u201D style"));
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if (compositingReasons.positionSticky)
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addReason(WI.UIString("Element has \u201Cposition: sticky\u201D style"));
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if (compositingReasons.overflowScrollingTouch)
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addReason(WI.UIString("Element has \u201C-webkit-overflow-scrolling: touch\u201D style"));
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if (compositingReasons.stacking)
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addReason(WI.UIString("Element may overlap another compositing element"));
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if (compositingReasons.overlap)
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addReason(WI.UIString("Element overlaps other compositing element"));
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if (compositingReasons.negativeZIndexChildren)
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addReason(WI.UIString("Element has children with a negative z-index"));
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if (compositingReasons.transformWithCompositedDescendants)
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addReason(WI.UIString("Element has a 2D transform and composited descendants"));
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if (compositingReasons.opacityWithCompositedDescendants)
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addReason(WI.UIString("Element has opacity applied and composited descendants"));
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if (compositingReasons.maskWithCompositedDescendants)
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addReason(WI.UIString("Element is masked and has composited descendants"));
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if (compositingReasons.reflectionWithCompositedDescendants)
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addReason(WI.UIString("Element has a reflection and composited descendants"));
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if (compositingReasons.filterWithCompositedDescendants)
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addReason(WI.UIString("Element has CSS filters applied and composited descendants"));
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if (compositingReasons.blendingWithCompositedDescendants)
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addReason(WI.UIString("Element has CSS blending applied and composited descendants"));
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if (compositingReasons.isolatesCompositedBlendingDescendants)
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addReason(WI.UIString("Element is a stacking context and has composited descendants with CSS blending applied"));
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if (compositingReasons.perspective)
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addReason(WI.UIString("Element has perspective applied"));
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if (compositingReasons.preserve3D)
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addReason(WI.UIString("Element has \u201Ctransform-style: preserve-3d\u201D style"));
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if (compositingReasons.willChange)
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addReason(WI.UIString("Element has \u201Cwill-change\u201D style which includes opacity, transform, transform-style, perspective, filter or backdrop-filter"));
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if (compositingReasons.root)
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addReason(WI.UIString("Element is the root element"));
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if (compositingReasons.blending)
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addReason(WI.UIString("Element has \u201Cblend-mode\u201D style"));
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}
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};
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