node-inspector-sans-ws
Version:
Web Inspector based nodeJS debugger
1,120 lines (994 loc) • 39.8 kB
JavaScript
/*
* Copyright (C) 2011 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
* @extends {WebInspector.DataGridNode}
* @param {WebInspector.HeapSnapshotSortableDataGrid} tree
* @param {boolean} hasChildren
*/
WebInspector.HeapSnapshotGridNode = function(tree, hasChildren)
{
WebInspector.DataGridNode.call(this, null, hasChildren);
this._dataGrid = tree;
this._instanceCount = 0;
this._savedChildren = null;
/**
* List of position ranges for all visible nodes: [startPos1, endPos1),...,[startPosN, endPosN)
* Position is an item position in the provider.
*/
this._retrievedChildrenRanges = [];
}
WebInspector.HeapSnapshotGridNode.Events = {
PopulateComplete: "PopulateComplete"
}
WebInspector.HeapSnapshotGridNode.prototype = {
/**
* @return {WebInspector.HeapSnapshotProviderProxy}
*/
createProvider: function()
{
throw new Error("Needs implemented.");
},
/**
* @return {WebInspector.HeapSnapshotProviderProxy}
*/
_provider: function()
{
if (!this._providerObject)
this._providerObject = this.createProvider();
return this._providerObject;
},
createCell: function(columnIdentifier)
{
var cell = WebInspector.DataGridNode.prototype.createCell.call(this, columnIdentifier);
if (this._searchMatched)
cell.addStyleClass("highlight");
return cell;
},
collapse: function()
{
WebInspector.DataGridNode.prototype.collapse.call(this);
this._dataGrid.updateVisibleNodes();
},
dispose: function()
{
if (this._provider())
this._provider().dispose();
for (var node = this.children[0]; node; node = node.traverseNextNode(true, this, true))
if (node.dispose)
node.dispose();
},
_reachableFromWindow: false,
queryObjectContent: function(callback)
{
},
/**
* @override
*/
wasDetached: function()
{
this._dataGrid.nodeWasDetached(this);
},
_toPercentString: function(num)
{
return num.toFixed(0) + "\u2009%"; // \u2009 is a thin space.
},
/**
* @param {number} nodePosition
*/
childForPosition: function(nodePosition)
{
var indexOfFirsChildInRange = 0;
for (var i = 0; i < this._retrievedChildrenRanges.length; i++) {
var range = this._retrievedChildrenRanges[i];
if (range.from <= nodePosition && nodePosition < range.to) {
var childIndex = indexOfFirsChildInRange + nodePosition - range.from;
return this.children[childIndex];
}
indexOfFirsChildInRange += range.to - range.from + 1;
}
return null;
},
_createValueCell: function(columnIdentifier)
{
var cell = document.createElement("td");
cell.className = columnIdentifier + "-column";
if (this.dataGrid.snapshot.totalSize !== 0) {
var div = document.createElement("div");
var valueSpan = document.createElement("span");
valueSpan.textContent = this.data[columnIdentifier];
div.appendChild(valueSpan);
var percentColumn = columnIdentifier + "-percent";
if (percentColumn in this.data) {
var percentSpan = document.createElement("span");
percentSpan.className = "percent-column";
percentSpan.textContent = this.data[percentColumn];
div.appendChild(percentSpan);
div.addStyleClass("heap-snapshot-multiple-values");
}
cell.appendChild(div);
}
return cell;
},
populate: function(event)
{
if (this._populated)
return;
this._populated = true;
function sorted()
{
this._populateChildren();
}
this._provider().sortAndRewind(this.comparator(), sorted.bind(this));
},
expandWithoutPopulate: function(callback)
{
// Make sure default populate won't take action.
this._populated = true;
this.expand();
this._provider().sortAndRewind(this.comparator(), callback);
},
/**
* @param {?number} fromPosition
* @param {?number} toPosition
*/
_populateChildren: function(fromPosition, toPosition, afterPopulate)
{
fromPosition = fromPosition || 0;
toPosition = toPosition || fromPosition + this._dataGrid.defaultPopulateCount();
var firstNotSerializedPosition = fromPosition;
function serializeNextChunk()
{
if (firstNotSerializedPosition >= toPosition)
return;
var end = Math.min(firstNotSerializedPosition + this._dataGrid.defaultPopulateCount(), toPosition);
this._provider().serializeItemsRange(firstNotSerializedPosition, end, childrenRetrieved.bind(this));
firstNotSerializedPosition = end;
}
function insertRetrievedChild(item, insertionIndex)
{
if (this._savedChildren) {
var hash = this._childHashForEntity(item);
if (hash in this._savedChildren) {
this.insertChild(this._savedChildren[hash], insertionIndex);
return;
}
}
this.insertChild(this._createChildNode(item), insertionIndex);
}
function insertShowMoreButton(from, to, insertionIndex)
{
var button = new WebInspector.ShowMoreDataGridNode(this._populateChildren.bind(this), from, to, this._dataGrid.defaultPopulateCount());
this.insertChild(button, insertionIndex);
}
function childrenRetrieved(items)
{
var itemIndex = 0;
var itemPosition = items.startPosition;
var insertionIndex = 0;
if (!this._retrievedChildrenRanges.length) {
if (items.startPosition > 0) {
this._retrievedChildrenRanges.push({from: 0, to: 0});
insertShowMoreButton.call(this, 0, items.startPosition, insertionIndex++);
}
this._retrievedChildrenRanges.push({from: items.startPosition, to: items.endPosition});
for (var i = 0, l = items.length; i < l; ++i)
insertRetrievedChild.call(this, items[i], insertionIndex++);
if (items.endPosition < items.totalLength)
insertShowMoreButton.call(this, items.endPosition, items.totalLength, insertionIndex++);
} else {
var rangeIndex = 0;
var found = false;
var range;
while (rangeIndex < this._retrievedChildrenRanges.length) {
range = this._retrievedChildrenRanges[rangeIndex];
if (range.to >= itemPosition) {
found = true;
break;
}
insertionIndex += range.to - range.from;
// Skip the button if there is one.
if (range.to < items.totalLength)
insertionIndex += 1;
++rangeIndex;
}
if (!found || items.startPosition < range.from) {
// Update previous button.
this.children[insertionIndex - 1].setEndPosition(items.startPosition);
insertShowMoreButton.call(this, items.startPosition, found ? range.from : items.totalLength, insertionIndex);
range = {from: items.startPosition, to: items.startPosition};
if (!found)
rangeIndex = this._retrievedChildrenRanges.length;
this._retrievedChildrenRanges.splice(rangeIndex, 0, range);
} else {
insertionIndex += itemPosition - range.from;
}
// At this point insertionIndex is always an index before button or between nodes.
// Also it is always true here that range.from <= itemPosition <= range.to
// Stretch the range right bound to include all new items.
while (range.to < items.endPosition) {
// Skip already added nodes.
var skipCount = range.to - itemPosition;
insertionIndex += skipCount;
itemIndex += skipCount;
itemPosition = range.to;
// We're at the position before button: ...<?node>x<button>
var nextRange = this._retrievedChildrenRanges[rangeIndex + 1];
var newEndOfRange = nextRange ? nextRange.from : items.totalLength;
if (newEndOfRange > items.endPosition)
newEndOfRange = items.endPosition;
while (itemPosition < newEndOfRange) {
insertRetrievedChild.call(this, items[itemIndex++], insertionIndex++);
++itemPosition;
}
// Merge with the next range.
if (nextRange && newEndOfRange === nextRange.from) {
range.to = nextRange.to;
// Remove "show next" button if there is one.
this.removeChild(this.children[insertionIndex]);
this._retrievedChildrenRanges.splice(rangeIndex + 1, 1);
} else {
range.to = newEndOfRange;
// Remove or update next button.
if (newEndOfRange === items.totalLength)
this.removeChild(this.children[insertionIndex]);
else
this.children[insertionIndex].setStartPosition(items.endPosition);
}
}
}
// TODO: fix this.
this._instanceCount += items.length;
if (firstNotSerializedPosition < toPosition) {
serializeNextChunk.call(this);
return;
}
if (afterPopulate)
afterPopulate();
this.dispatchEventToListeners(WebInspector.HeapSnapshotGridNode.Events.PopulateComplete);
}
serializeNextChunk.call(this);
},
_saveChildren: function()
{
this._savedChildren = null;
for (var i = 0, childrenCount = this.children.length; i < childrenCount; ++i) {
var child = this.children[i];
if (!child.expanded)
continue;
if (!this._savedChildren)
this._savedChildren = {};
this._savedChildren[this._childHashForNode(child)] = child;
}
},
sort: function()
{
this._dataGrid.recursiveSortingEnter();
function afterSort()
{
this._saveChildren();
this.removeChildren();
this._retrievedChildrenRanges = [];
function afterPopulate()
{
for (var i = 0, l = this.children.length; i < l; ++i) {
var child = this.children[i];
if (child.expanded)
child.sort();
}
this._dataGrid.recursiveSortingLeave();
}
var instanceCount = this._instanceCount;
this._instanceCount = 0;
this._populateChildren(0, instanceCount, afterPopulate.bind(this));
}
this._provider().sortAndRewind(this.comparator(), afterSort.bind(this));
},
__proto__: WebInspector.DataGridNode.prototype
}
/**
* @constructor
* @extends {WebInspector.HeapSnapshotGridNode}
* @param {WebInspector.HeapSnapshotSortableDataGrid} tree
*/
WebInspector.HeapSnapshotGenericObjectNode = function(tree, node)
{
this.snapshotNodeIndex = 0;
WebInspector.HeapSnapshotGridNode.call(this, tree, false);
// node is null for DataGrid root nodes.
if (!node)
return;
this._name = node.name;
this._displayName = node.displayName;
this._type = node.type;
this._distance = node.distance;
this._shallowSize = node.selfSize;
this._retainedSize = node.retainedSize;
this.snapshotNodeId = node.id;
this.snapshotNodeIndex = node.nodeIndex;
if (this._type === "string")
this._reachableFromWindow = true;
else if (this._type === "object" && this._name.startsWith("Window")) {
this._name = this.shortenWindowURL(this._name, false);
this._reachableFromWindow = true;
} else if (node.canBeQueried)
this._reachableFromWindow = true;
if (node.detachedDOMTreeNode)
this.detachedDOMTreeNode = true;
};
WebInspector.HeapSnapshotGenericObjectNode.prototype = {
createCell: function(columnIdentifier)
{
var cell = columnIdentifier !== "object" ? this._createValueCell(columnIdentifier) : this._createObjectCell();
if (this._searchMatched)
cell.addStyleClass("highlight");
return cell;
},
_createObjectCell: function()
{
var cell = document.createElement("td");
cell.className = "object-column";
var div = document.createElement("div");
div.className = "source-code event-properties";
div.style.overflow = "visible";
var data = this.data["object"];
if (this._prefixObjectCell)
this._prefixObjectCell(div, data);
var valueSpan = document.createElement("span");
valueSpan.className = "value console-formatted-" + data.valueStyle;
valueSpan.textContent = data.value;
div.appendChild(valueSpan);
if (this.data.displayName) {
var nameSpan = document.createElement("span");
nameSpan.className = "name console-formatted-name";
nameSpan.textContent = " " + this.data.displayName;
div.appendChild(nameSpan);
}
var idSpan = document.createElement("span");
idSpan.className = "console-formatted-id";
idSpan.textContent = " @" + data["nodeId"];
div.appendChild(idSpan);
if (this._postfixObjectCell)
this._postfixObjectCell(div, data);
cell.appendChild(div);
cell.addStyleClass("disclosure");
if (this.depth)
cell.style.setProperty("padding-left", (this.depth * this.dataGrid.indentWidth) + "px");
cell.heapSnapshotNode = this;
return cell;
},
get data()
{
var data = this._emptyData();
var value = this._name;
var valueStyle = "object";
switch (this._type) {
case "string":
value = "\"" + value + "\"";
valueStyle = "string";
break;
case "regexp":
value = "/" + value + "/";
valueStyle = "string";
break;
case "closure":
value = "function" + (value ? " " : "") + value + "()";
valueStyle = "function";
break;
case "number":
valueStyle = "number";
break;
case "hidden":
valueStyle = "null";
break;
case "array":
if (!value)
value = "[]";
else
value += "[]";
break;
};
if (this._reachableFromWindow)
valueStyle += " highlight";
if (value === "Object")
value = "";
if (this.detachedDOMTreeNode)
valueStyle += " detached-dom-tree-node";
data["object"] = { valueStyle: valueStyle, value: value, nodeId: this.snapshotNodeId };
data["displayName"] = this._displayName;
data["distance"] = this._distance;
data["shallowSize"] = Number.withThousandsSeparator(this._shallowSize);
data["retainedSize"] = Number.withThousandsSeparator(this._retainedSize);
data["shallowSize-percent"] = this._toPercentString(this._shallowSizePercent);
data["retainedSize-percent"] = this._toPercentString(this._retainedSizePercent);
return this._enhanceData ? this._enhanceData(data) : data;
},
queryObjectContent: function(callback, objectGroupName)
{
if (this._type === "string")
callback(WebInspector.RemoteObject.fromPrimitiveValue(this._name));
else {
function formatResult(error, object)
{
if (!error && object.type)
callback(WebInspector.RemoteObject.fromPayload(object), !!error);
else
callback(WebInspector.RemoteObject.fromPrimitiveValue(WebInspector.UIString("Not available")));
}
HeapProfilerAgent.getObjectByHeapObjectId(String(this.snapshotNodeId), objectGroupName, formatResult);
}
},
get _retainedSizePercent()
{
return this._retainedSize / this.dataGrid.snapshot.totalSize * 100.0;
},
get _shallowSizePercent()
{
return this._shallowSize / this.dataGrid.snapshot.totalSize * 100.0;
},
updateHasChildren: function()
{
function isEmptyCallback(isEmpty)
{
this.hasChildren = !isEmpty;
}
this._provider().isEmpty(isEmptyCallback.bind(this));
},
shortenWindowURL: function(fullName, hasObjectId)
{
var startPos = fullName.indexOf("/");
var endPos = hasObjectId ? fullName.indexOf("@") : fullName.length;
if (startPos !== -1 && endPos !== -1) {
var fullURL = fullName.substring(startPos + 1, endPos).trimLeft();
var url = fullURL.trimURL();
if (url.length > 40)
url = url.trimMiddle(40);
return fullName.substr(0, startPos + 2) + url + fullName.substr(endPos);
} else
return fullName;
},
__proto__: WebInspector.HeapSnapshotGridNode.prototype
}
/**
* @constructor
* @extends {WebInspector.HeapSnapshotGenericObjectNode}
* @param {WebInspector.HeapSnapshotSortableDataGrid} tree
* @param {boolean} isFromBaseSnapshot
*/
WebInspector.HeapSnapshotObjectNode = function(tree, isFromBaseSnapshot, edge, parentGridNode)
{
WebInspector.HeapSnapshotGenericObjectNode.call(this, tree, edge.node);
this._referenceName = edge.name;
this._referenceType = edge.type;
this._distance = edge.distance;
this.showRetainingEdges = tree.showRetainingEdges;
this._isFromBaseSnapshot = isFromBaseSnapshot;
this._parentGridNode = parentGridNode;
this._cycledWithAncestorGridNode = this._findAncestorWithSameSnapshotNodeId();
if (!this._cycledWithAncestorGridNode)
this.updateHasChildren();
}
WebInspector.HeapSnapshotObjectNode.prototype = {
/**
* @return {WebInspector.HeapSnapshotProviderProxy}
*/
createProvider: function()
{
var tree = this._dataGrid;
var showHiddenData = WebInspector.settings.showAdvancedHeapSnapshotProperties.get();
var snapshot = this._isFromBaseSnapshot ? tree.baseSnapshot : tree.snapshot;
if (this.showRetainingEdges)
return snapshot.createRetainingEdgesProvider(this.snapshotNodeIndex, showHiddenData);
else
return snapshot.createEdgesProvider(this.snapshotNodeIndex, showHiddenData);
},
_findAncestorWithSameSnapshotNodeId: function()
{
var ancestor = this._parentGridNode;
while (ancestor) {
if (ancestor.snapshotNodeId === this.snapshotNodeId)
return ancestor;
ancestor = ancestor._parentGridNode;
}
return null;
},
_createChildNode: function(item)
{
return new WebInspector.HeapSnapshotObjectNode(this._dataGrid, this._isFromBaseSnapshot, item, this);
},
_childHashForEntity: function(edge)
{
var prefix = this.showRetainingEdges ? edge.node.id + "#" : "";
return prefix + edge.type + "#" + edge.name;
},
_childHashForNode: function(childNode)
{
var prefix = this.showRetainingEdges ? childNode.snapshotNodeId + "#" : "";
return prefix + childNode._referenceType + "#" + childNode._referenceName;
},
comparator: function()
{
var sortAscending = this._dataGrid.isSortOrderAscending();
var sortColumnIdentifier = this._dataGrid.sortColumnIdentifier();
var sortFields = {
object: ["!edgeName", sortAscending, "retainedSize", false],
count: ["!edgeName", true, "retainedSize", false],
shallowSize: ["selfSize", sortAscending, "!edgeName", true],
retainedSize: ["retainedSize", sortAscending, "!edgeName", true],
distance: ["distance", sortAscending, "_name", true]
}[sortColumnIdentifier] || ["!edgeName", true, "retainedSize", false];
return WebInspector.HeapSnapshotFilteredOrderedIterator.prototype.createComparator(sortFields);
},
_emptyData: function()
{
return { count: "", addedCount: "", removedCount: "", countDelta: "", addedSize: "", removedSize: "", sizeDelta: "" };
},
_enhanceData: function(data)
{
var name = this._referenceName;
if (name === "") name = "(empty)";
var nameClass = "name";
switch (this._referenceType) {
case "context":
nameClass = "console-formatted-number";
break;
case "internal":
case "hidden":
nameClass = "console-formatted-null";
break;
case "element":
name = "[" + name + "]";
break;
}
data["object"].nameClass = nameClass;
data["object"].name = name;
data["distance"] = this._distance;
return data;
},
_prefixObjectCell: function(div, data)
{
if (this._cycledWithAncestorGridNode)
div.className += " cycled-ancessor-node";
var nameSpan = document.createElement("span");
nameSpan.className = data.nameClass;
nameSpan.textContent = data.name;
div.appendChild(nameSpan);
var separatorSpan = document.createElement("span");
separatorSpan.className = "grayed";
separatorSpan.textContent = this.showRetainingEdges ? " in " : " :: ";
div.appendChild(separatorSpan);
},
__proto__: WebInspector.HeapSnapshotGenericObjectNode.prototype
}
/**
* @constructor
* @extends {WebInspector.HeapSnapshotGenericObjectNode}
*/
WebInspector.HeapSnapshotInstanceNode = function(tree, baseSnapshot, snapshot, node)
{
WebInspector.HeapSnapshotGenericObjectNode.call(this, tree, node);
this._baseSnapshotOrSnapshot = baseSnapshot || snapshot;
this._isDeletedNode = !!baseSnapshot;
this.updateHasChildren();
};
WebInspector.HeapSnapshotInstanceNode.prototype = {
createProvider: function()
{
var showHiddenData = WebInspector.settings.showAdvancedHeapSnapshotProperties.get();
return this._baseSnapshotOrSnapshot.createEdgesProvider(
this.snapshotNodeIndex,
showHiddenData);
},
_createChildNode: function(item)
{
return new WebInspector.HeapSnapshotObjectNode(this._dataGrid, this._isDeletedNode, item, null);
},
_childHashForEntity: function(edge)
{
return edge.type + "#" + edge.name;
},
_childHashForNode: function(childNode)
{
return childNode._referenceType + "#" + childNode._referenceName;
},
comparator: function()
{
var sortAscending = this._dataGrid.isSortOrderAscending();
var sortColumnIdentifier = this._dataGrid.sortColumnIdentifier();
var sortFields = {
object: ["!edgeName", sortAscending, "retainedSize", false],
distance: ["distance", sortAscending, "retainedSize", false],
count: ["!edgeName", true, "retainedSize", false],
addedSize: ["selfSize", sortAscending, "!edgeName", true],
removedSize: ["selfSize", sortAscending, "!edgeName", true],
shallowSize: ["selfSize", sortAscending, "!edgeName", true],
retainedSize: ["retainedSize", sortAscending, "!edgeName", true]
}[sortColumnIdentifier] || ["!edgeName", true, "retainedSize", false];
return WebInspector.HeapSnapshotFilteredOrderedIterator.prototype.createComparator(sortFields);
},
_emptyData: function()
{
return {count: "", countDelta: "", sizeDelta: ""};
},
_enhanceData: function(data)
{
if (this._isDeletedNode) {
data["addedCount"] = "";
data["addedSize"] = "";
data["removedCount"] = "\u2022";
data["removedSize"] = Number.withThousandsSeparator(this._shallowSize);
} else {
data["addedCount"] = "\u2022";
data["addedSize"] = Number.withThousandsSeparator(this._shallowSize);
data["removedCount"] = "";
data["removedSize"] = "";
}
return data;
},
get isDeletedNode()
{
return this._isDeletedNode;
},
__proto__: WebInspector.HeapSnapshotGenericObjectNode.prototype
}
/**
* @constructor
* @extends {WebInspector.HeapSnapshotGridNode}
*/
WebInspector.HeapSnapshotConstructorNode = function(tree, className, aggregate, aggregatesKey)
{
WebInspector.HeapSnapshotGridNode.call(this, tree, aggregate.count > 0);
this._name = className;
this._aggregatesKey = aggregatesKey;
this._distance = aggregate.distance;
this._count = aggregate.count;
this._shallowSize = aggregate.self;
this._retainedSize = aggregate.maxRet;
}
WebInspector.HeapSnapshotConstructorNode.prototype = {
/**
* @override
* @return {WebInspector.HeapSnapshotProviderProxy}
*/
createProvider: function()
{
return this._dataGrid.snapshot.createNodesProviderForClass(this._name, this._aggregatesKey)
},
/**
* @param {number} snapshotObjectId
*/
revealNodeBySnapshotObjectId: function(snapshotObjectId)
{
function didExpand()
{
this._provider().nodePosition(snapshotObjectId, didGetNodePosition.bind(this));
}
function didGetNodePosition(nodePosition)
{
if (nodePosition === -1)
this.collapse();
else
this._populateChildren(nodePosition, null, didPopulateChildren.bind(this, nodePosition));
}
function didPopulateChildren(nodePosition)
{
var indexOfFirsChildInRange = 0;
for (var i = 0; i < this._retrievedChildrenRanges.length; i++) {
var range = this._retrievedChildrenRanges[i];
if (range.from <= nodePosition && nodePosition < range.to) {
var childIndex = indexOfFirsChildInRange + nodePosition - range.from;
var instanceNode = this.children[childIndex];
this._dataGrid.highlightNode(instanceNode);
return;
}
indexOfFirsChildInRange += range.to - range.from + 1;
}
}
this.expandWithoutPopulate(didExpand.bind(this));
},
createCell: function(columnIdentifier)
{
var cell = columnIdentifier !== "object" ? this._createValueCell(columnIdentifier) : WebInspector.HeapSnapshotGridNode.prototype.createCell.call(this, columnIdentifier);
if (this._searchMatched)
cell.addStyleClass("highlight");
return cell;
},
_createChildNode: function(item)
{
return new WebInspector.HeapSnapshotInstanceNode(this._dataGrid, null, this._dataGrid.snapshot, item);
},
comparator: function()
{
var sortAscending = this._dataGrid.isSortOrderAscending();
var sortColumnIdentifier = this._dataGrid.sortColumnIdentifier();
var sortFields = {
object: ["id", sortAscending, "retainedSize", false],
distance: ["distance", true, "retainedSize", false],
count: ["id", true, "retainedSize", false],
shallowSize: ["selfSize", sortAscending, "id", true],
retainedSize: ["retainedSize", sortAscending, "id", true]
}[sortColumnIdentifier];
return WebInspector.HeapSnapshotFilteredOrderedIterator.prototype.createComparator(sortFields);
},
_childHashForEntity: function(node)
{
return node.id;
},
_childHashForNode: function(childNode)
{
return childNode.snapshotNodeId;
},
get data()
{
var data = { object: this._name };
data["count"] = Number.withThousandsSeparator(this._count);
data["distance"] = this._distance;
data["shallowSize"] = Number.withThousandsSeparator(this._shallowSize);
data["retainedSize"] = Number.withThousandsSeparator(this._retainedSize);
data["count-percent"] = this._toPercentString(this._countPercent);
data["shallowSize-percent"] = this._toPercentString(this._shallowSizePercent);
data["retainedSize-percent"] = this._toPercentString(this._retainedSizePercent);
return data;
},
get _countPercent()
{
return this._count / this.dataGrid.snapshot.nodeCount * 100.0;
},
get _retainedSizePercent()
{
return this._retainedSize / this.dataGrid.snapshot.totalSize * 100.0;
},
get _shallowSizePercent()
{
return this._shallowSize / this.dataGrid.snapshot.totalSize * 100.0;
},
__proto__: WebInspector.HeapSnapshotGridNode.prototype
}
/**
* @constructor
* @extends {WebInspector.HeapSnapshotProviderProxy}
* @param {WebInspector.HeapSnapshotProviderProxy} addedNodesProvider
* @param {WebInspector.HeapSnapshotProviderProxy} deletedNodesProvider
*/
WebInspector.HeapSnapshotDiffNodesProvider = function(addedNodesProvider, deletedNodesProvider, addedCount, removedCount)
{
this._addedNodesProvider = addedNodesProvider;
this._deletedNodesProvider = deletedNodesProvider;
this._addedCount = addedCount;
this._removedCount = removedCount;
}
WebInspector.HeapSnapshotDiffNodesProvider.prototype = {
dispose: function()
{
this._addedNodesProvider.dispose();
this._deletedNodesProvider.dispose();
},
isEmpty: function(callback)
{
callback(false);
},
serializeItemsRange: function(beginPosition, endPosition, callback)
{
function didReceiveAllItems(items)
{
items.totalLength = this._addedCount + this._removedCount;
callback(items);
}
function didReceiveDeletedItems(addedItems, items)
{
if (!addedItems.length)
addedItems.startPosition = this._addedCount + items.startPosition;
for (var i = 0; i < items.length; i++) {
items[i].isAddedNotRemoved = false;
addedItems.push(items[i]);
}
addedItems.endPosition = this._addedCount + items.endPosition;
didReceiveAllItems.call(this, addedItems);
}
function didReceiveAddedItems(items)
{
for (var i = 0; i < items.length; i++)
items[i].isAddedNotRemoved = true;
if (items.endPosition < endPosition)
return this._deletedNodesProvider.serializeItemsRange(0, endPosition - items.endPosition, didReceiveDeletedItems.bind(this, items));
items.totalLength = this._addedCount + this._removedCount;
didReceiveAllItems.call(this, items);
}
if (beginPosition < this._addedCount)
this._addedNodesProvider.serializeItemsRange(beginPosition, endPosition, didReceiveAddedItems.bind(this));
else
this._deletedNodesProvider.serializeItemsRange(beginPosition - this._addedCount, endPosition - this._addedCount, didReceiveDeletedItems.bind(this, []));
},
sortAndRewind: function(comparator, callback)
{
function afterSort()
{
this._deletedNodesProvider.sortAndRewind(comparator, callback);
}
this._addedNodesProvider.sortAndRewind(comparator, afterSort.bind(this));
}
};
/**
* @constructor
* @extends {WebInspector.HeapSnapshotGridNode}
*/
WebInspector.HeapSnapshotDiffNode = function(tree, className, diffForClass)
{
WebInspector.HeapSnapshotGridNode.call(this, tree, true);
this._name = className;
this._addedCount = diffForClass.addedCount;
this._removedCount = diffForClass.removedCount;
this._countDelta = diffForClass.countDelta;
this._addedSize = diffForClass.addedSize;
this._removedSize = diffForClass.removedSize;
this._sizeDelta = diffForClass.sizeDelta;
this._deletedIndexes = diffForClass.deletedIndexes;
}
WebInspector.HeapSnapshotDiffNode.prototype = {
/**
* @override
* @return {WebInspector.HeapSnapshotDiffNodesProvider}
*/
createProvider: function()
{
var tree = this._dataGrid;
return new WebInspector.HeapSnapshotDiffNodesProvider(
tree.snapshot.createAddedNodesProvider(tree.baseSnapshot.uid, this._name),
tree.baseSnapshot.createDeletedNodesProvider(this._deletedIndexes),
this._addedCount,
this._removedCount);
},
_createChildNode: function(item)
{
if (item.isAddedNotRemoved)
return new WebInspector.HeapSnapshotInstanceNode(this._dataGrid, null, this._dataGrid.snapshot, item);
else
return new WebInspector.HeapSnapshotInstanceNode(this._dataGrid, this._dataGrid.baseSnapshot, null, item);
},
_childHashForEntity: function(node)
{
return node.id;
},
_childHashForNode: function(childNode)
{
return childNode.snapshotNodeId;
},
comparator: function()
{
var sortAscending = this._dataGrid.isSortOrderAscending();
var sortColumnIdentifier = this._dataGrid.sortColumnIdentifier();
var sortFields = {
object: ["id", sortAscending, "selfSize", false],
addedCount: ["selfSize", sortAscending, "id", true],
removedCount: ["selfSize", sortAscending, "id", true],
countDelta: ["selfSize", sortAscending, "id", true],
addedSize: ["selfSize", sortAscending, "id", true],
removedSize: ["selfSize", sortAscending, "id", true],
sizeDelta: ["selfSize", sortAscending, "id", true]
}[sortColumnIdentifier];
return WebInspector.HeapSnapshotFilteredOrderedIterator.prototype.createComparator(sortFields);
},
_signForDelta: function(delta)
{
if (delta === 0)
return "";
if (delta > 0)
return "+";
else
return "\u2212"; // Math minus sign, same width as plus.
},
get data()
{
var data = {object: this._name};
data["addedCount"] = Number.withThousandsSeparator(this._addedCount);
data["removedCount"] = Number.withThousandsSeparator(this._removedCount);
data["countDelta"] = this._signForDelta(this._countDelta) + Number.withThousandsSeparator(Math.abs(this._countDelta));
data["addedSize"] = Number.withThousandsSeparator(this._addedSize);
data["removedSize"] = Number.withThousandsSeparator(this._removedSize);
data["sizeDelta"] = this._signForDelta(this._sizeDelta) + Number.withThousandsSeparator(Math.abs(this._sizeDelta));
return data;
},
__proto__: WebInspector.HeapSnapshotGridNode.prototype
}
/**
* @constructor
* @extends {WebInspector.HeapSnapshotGenericObjectNode}
*/
WebInspector.HeapSnapshotDominatorObjectNode = function(tree, node)
{
WebInspector.HeapSnapshotGenericObjectNode.call(this, tree, node);
this.updateHasChildren();
};
WebInspector.HeapSnapshotDominatorObjectNode.prototype = {
/**
* @override
* @return {WebInspector.HeapSnapshotProviderProxy}
*/
createProvider: function()
{
return this._dataGrid.snapshot.createNodesProviderForDominator(this.snapshotNodeIndex);
},
/**
* @param {number} snapshotObjectId
* @param {function(?WebInspector.HeapSnapshotDominatorObjectNode)} callback
*/
retrieveChildBySnapshotObjectId: function(snapshotObjectId, callback)
{
function didExpand()
{
this._provider().nodePosition(snapshotObjectId, didGetNodePosition.bind(this));
}
function didGetNodePosition(nodePosition)
{
if (nodePosition === -1) {
this.collapse();
callback(null);
} else
this._populateChildren(nodePosition, null, didPopulateChildren.bind(this, nodePosition));
}
function didPopulateChildren(nodePosition)
{
var child = this.childForPosition(nodePosition);
callback(child);
}
// Make sure hasChildren flag is updated before expanding this node as updateHasChildren response
// may not have been received yet.
this.hasChildren = true;
this.expandWithoutPopulate(didExpand.bind(this));
},
_createChildNode: function(item)
{
return new WebInspector.HeapSnapshotDominatorObjectNode(this._dataGrid, item);
},
_childHashForEntity: function(node)
{
return node.id;
},
_childHashForNode: function(childNode)
{
return childNode.snapshotNodeId;
},
comparator: function()
{
var sortAscending = this._dataGrid.isSortOrderAscending();
var sortColumnIdentifier = this._dataGrid.sortColumnIdentifier();
var sortFields = {
object: ["id", sortAscending, "retainedSize", false],
shallowSize: ["selfSize", sortAscending, "id", true],
retainedSize: ["retainedSize", sortAscending, "id", true]
}[sortColumnIdentifier];
return WebInspector.HeapSnapshotFilteredOrderedIterator.prototype.createComparator(sortFields);
},
_emptyData: function()
{
return {};
},
__proto__: WebInspector.HeapSnapshotGenericObjectNode.prototype
}