node-inspector-sans-ws
Version:
Web Inspector based nodeJS debugger
936 lines (790 loc) • 32.1 kB
JavaScript
/*
* Copyright (C) 2008 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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.View}
* @param {WebInspector.CPUProfileHeader} profileHeader
*/
WebInspector.CPUProfileView = function(profileHeader)
{
WebInspector.View.call(this);
this.element.addStyleClass("profile-view");
this.showSelfTimeAsPercent = WebInspector.settings.createSetting("cpuProfilerShowSelfTimeAsPercent", true);
this.showTotalTimeAsPercent = WebInspector.settings.createSetting("cpuProfilerShowTotalTimeAsPercent", true);
this.showAverageTimeAsPercent = WebInspector.settings.createSetting("cpuProfilerShowAverageTimeAsPercent", true);
this._viewType = WebInspector.settings.createSetting("cpuProfilerView", WebInspector.CPUProfileView._TypeHeavy);
var columns = [];
columns.push({id: "self", title: WebInspector.UIString("Self"), width: "72px", sort: WebInspector.DataGrid.Order.Descending, sortable: true});
columns.push({id: "total", title: WebInspector.UIString("Total"), width: "72px", sortable: true});
columns.push({id: "function", title: WebInspector.UIString("Function"), disclosure: true, sortable: true});
this.dataGrid = new WebInspector.DataGrid(columns);
this.dataGrid.addEventListener(WebInspector.DataGrid.Events.SortingChanged, this._sortProfile, this);
this.dataGrid.element.addEventListener("mousedown", this._mouseDownInDataGrid.bind(this), true);
this.dataGrid.show(this.element);
this.viewSelectComboBox = new WebInspector.StatusBarComboBox(this._changeView.bind(this));
var options = {};
options[WebInspector.CPUProfileView._TypeFlame] = this.viewSelectComboBox.createOption(WebInspector.UIString("Flame Chart"), "", WebInspector.CPUProfileView._TypeFlame);
options[WebInspector.CPUProfileView._TypeHeavy] = this.viewSelectComboBox.createOption(WebInspector.UIString("Heavy (Bottom Up)"), "", WebInspector.CPUProfileView._TypeHeavy);
options[WebInspector.CPUProfileView._TypeTree] = this.viewSelectComboBox.createOption(WebInspector.UIString("Tree (Top Down)"), "", WebInspector.CPUProfileView._TypeTree);
var optionName = this._viewType.get() || WebInspector.CPUProfileView._TypeFlame;
var option = options[optionName] || options[WebInspector.CPUProfileView._TypeFlame];
this.viewSelectComboBox.select(option);
this._statusBarButtonsElement = document.createElement("span");
this.percentButton = new WebInspector.StatusBarButton("", "percent-time-status-bar-item");
this.percentButton.addEventListener("click", this._percentClicked, this);
this._statusBarButtonsElement.appendChild(this.percentButton.element);
this.focusButton = new WebInspector.StatusBarButton(WebInspector.UIString("Focus selected function."), "focus-profile-node-status-bar-item");
this.focusButton.setEnabled(false);
this.focusButton.addEventListener("click", this._focusClicked, this);
this._statusBarButtonsElement.appendChild(this.focusButton.element);
this.excludeButton = new WebInspector.StatusBarButton(WebInspector.UIString("Exclude selected function."), "exclude-profile-node-status-bar-item");
this.excludeButton.setEnabled(false);
this.excludeButton.addEventListener("click", this._excludeClicked, this);
this._statusBarButtonsElement.appendChild(this.excludeButton.element);
this.resetButton = new WebInspector.StatusBarButton(WebInspector.UIString("Restore all functions."), "reset-profile-status-bar-item");
this.resetButton.visible = false;
this.resetButton.addEventListener("click", this._resetClicked, this);
this._statusBarButtonsElement.appendChild(this.resetButton.element);
this.profileHead = /** @type {?ProfilerAgent.CPUProfileNode} */ (null);
this.profile = profileHeader;
this._linkifier = new WebInspector.Linkifier(new WebInspector.Linkifier.DefaultFormatter(30));
if (this.profile._profile) // If the profile has been loaded from file then use it.
this._processProfileData(this.profile._profile);
else
ProfilerAgent.getCPUProfile(this.profile.uid, this._getCPUProfileCallback.bind(this));
}
WebInspector.CPUProfileView._TypeFlame = "Flame";
WebInspector.CPUProfileView._TypeTree = "Tree";
WebInspector.CPUProfileView._TypeHeavy = "Heavy";
WebInspector.CPUProfileView.prototype = {
/**
* @param {!number} timeLeft
* @param {!number} timeRight
*/
selectRange: function(timeLeft, timeRight)
{
if (!this._flameChart)
return;
this._flameChart.selectRange(timeLeft, timeRight);
},
_revealProfilerNode: function(event)
{
var current = this.profileDataGridTree.children[0];
while (current && current.profileNode !== event.data)
current = current.traverseNextNode(false, null, false);
if (current)
current.revealAndSelect();
},
/**
* @param {?Protocol.Error} error
* @param {ProfilerAgent.CPUProfile} profile
*/
_getCPUProfileCallback: function(error, profile)
{
if (error)
return;
if (!profile.head) {
// Profiling was tentatively terminated with the "Clear all profiles." button.
return;
}
this._processProfileData(profile);
},
_processProfileData: function(profile)
{
this.profileHead = profile.head;
this.samples = profile.samples;
this._calculateTimes(profile);
this._assignParentsInProfile();
if (this.samples)
this._buildIdToNodeMap();
this._changeView();
this._updatePercentButton();
if (this._flameChart)
this._flameChart.update();
},
get statusBarItems()
{
return [this.viewSelectComboBox.element, this._statusBarButtonsElement];
},
/**
* @return {!WebInspector.ProfileDataGridTree}
*/
_getBottomUpProfileDataGridTree: function()
{
if (!this._bottomUpProfileDataGridTree)
this._bottomUpProfileDataGridTree = new WebInspector.BottomUpProfileDataGridTree(this, this.profileHead);
return this._bottomUpProfileDataGridTree;
},
/**
* @return {!WebInspector.ProfileDataGridTree}
*/
_getTopDownProfileDataGridTree: function()
{
if (!this._topDownProfileDataGridTree)
this._topDownProfileDataGridTree = new WebInspector.TopDownProfileDataGridTree(this, this.profileHead);
return this._topDownProfileDataGridTree;
},
willHide: function()
{
this._currentSearchResultIndex = -1;
},
refresh: function()
{
var selectedProfileNode = this.dataGrid.selectedNode ? this.dataGrid.selectedNode.profileNode : null;
this.dataGrid.rootNode().removeChildren();
var children = this.profileDataGridTree.children;
var count = children.length;
for (var index = 0; index < count; ++index)
this.dataGrid.rootNode().appendChild(children[index]);
if (selectedProfileNode)
selectedProfileNode.selected = true;
},
refreshVisibleData: function()
{
var child = this.dataGrid.rootNode().children[0];
while (child) {
child.refresh();
child = child.traverseNextNode(false, null, true);
}
},
refreshShowAsPercents: function()
{
this._updatePercentButton();
this.refreshVisibleData();
},
searchCanceled: function()
{
if (this._searchResults) {
for (var i = 0; i < this._searchResults.length; ++i) {
var profileNode = this._searchResults[i].profileNode;
delete profileNode._searchMatchedSelfColumn;
delete profileNode._searchMatchedTotalColumn;
delete profileNode._searchMatchedFunctionColumn;
profileNode.refresh();
}
}
delete this._searchFinishedCallback;
this._currentSearchResultIndex = -1;
this._searchResults = [];
},
performSearch: function(query, finishedCallback)
{
// Call searchCanceled since it will reset everything we need before doing a new search.
this.searchCanceled();
query = query.trim();
if (!query.length)
return;
this._searchFinishedCallback = finishedCallback;
var greaterThan = (query.startsWith(">"));
var lessThan = (query.startsWith("<"));
var equalTo = (query.startsWith("=") || ((greaterThan || lessThan) && query.indexOf("=") === 1));
var percentUnits = (query.lastIndexOf("%") === (query.length - 1));
var millisecondsUnits = (query.length > 2 && query.lastIndexOf("ms") === (query.length - 2));
var secondsUnits = (!millisecondsUnits && query.lastIndexOf("s") === (query.length - 1));
var queryNumber = parseFloat(query);
if (greaterThan || lessThan || equalTo) {
if (equalTo && (greaterThan || lessThan))
queryNumber = parseFloat(query.substring(2));
else
queryNumber = parseFloat(query.substring(1));
}
var queryNumberMilliseconds = (secondsUnits ? (queryNumber * 1000) : queryNumber);
// Make equalTo implicitly true if it wasn't specified there is no other operator.
if (!isNaN(queryNumber) && !(greaterThan || lessThan))
equalTo = true;
var matcher = createPlainTextSearchRegex(query, "i");
function matchesQuery(/*ProfileDataGridNode*/ profileDataGridNode)
{
delete profileDataGridNode._searchMatchedSelfColumn;
delete profileDataGridNode._searchMatchedTotalColumn;
delete profileDataGridNode._searchMatchedFunctionColumn;
if (percentUnits) {
if (lessThan) {
if (profileDataGridNode.selfPercent < queryNumber)
profileDataGridNode._searchMatchedSelfColumn = true;
if (profileDataGridNode.totalPercent < queryNumber)
profileDataGridNode._searchMatchedTotalColumn = true;
} else if (greaterThan) {
if (profileDataGridNode.selfPercent > queryNumber)
profileDataGridNode._searchMatchedSelfColumn = true;
if (profileDataGridNode.totalPercent > queryNumber)
profileDataGridNode._searchMatchedTotalColumn = true;
}
if (equalTo) {
if (profileDataGridNode.selfPercent == queryNumber)
profileDataGridNode._searchMatchedSelfColumn = true;
if (profileDataGridNode.totalPercent == queryNumber)
profileDataGridNode._searchMatchedTotalColumn = true;
}
} else if (millisecondsUnits || secondsUnits) {
if (lessThan) {
if (profileDataGridNode.selfTime < queryNumberMilliseconds)
profileDataGridNode._searchMatchedSelfColumn = true;
if (profileDataGridNode.totalTime < queryNumberMilliseconds)
profileDataGridNode._searchMatchedTotalColumn = true;
} else if (greaterThan) {
if (profileDataGridNode.selfTime > queryNumberMilliseconds)
profileDataGridNode._searchMatchedSelfColumn = true;
if (profileDataGridNode.totalTime > queryNumberMilliseconds)
profileDataGridNode._searchMatchedTotalColumn = true;
}
if (equalTo) {
if (profileDataGridNode.selfTime == queryNumberMilliseconds)
profileDataGridNode._searchMatchedSelfColumn = true;
if (profileDataGridNode.totalTime == queryNumberMilliseconds)
profileDataGridNode._searchMatchedTotalColumn = true;
}
}
if (profileDataGridNode.functionName.match(matcher) || (profileDataGridNode.url && profileDataGridNode.url.match(matcher)))
profileDataGridNode._searchMatchedFunctionColumn = true;
if (profileDataGridNode._searchMatchedSelfColumn ||
profileDataGridNode._searchMatchedTotalColumn ||
profileDataGridNode._searchMatchedFunctionColumn)
{
profileDataGridNode.refresh();
return true;
}
return false;
}
var current = this.profileDataGridTree.children[0];
while (current) {
if (matchesQuery(current)) {
this._searchResults.push({ profileNode: current });
}
current = current.traverseNextNode(false, null, false);
}
finishedCallback(this, this._searchResults.length);
},
jumpToFirstSearchResult: function()
{
if (!this._searchResults || !this._searchResults.length)
return;
this._currentSearchResultIndex = 0;
this._jumpToSearchResult(this._currentSearchResultIndex);
},
jumpToLastSearchResult: function()
{
if (!this._searchResults || !this._searchResults.length)
return;
this._currentSearchResultIndex = (this._searchResults.length - 1);
this._jumpToSearchResult(this._currentSearchResultIndex);
},
jumpToNextSearchResult: function()
{
if (!this._searchResults || !this._searchResults.length)
return;
if (++this._currentSearchResultIndex >= this._searchResults.length)
this._currentSearchResultIndex = 0;
this._jumpToSearchResult(this._currentSearchResultIndex);
},
jumpToPreviousSearchResult: function()
{
if (!this._searchResults || !this._searchResults.length)
return;
if (--this._currentSearchResultIndex < 0)
this._currentSearchResultIndex = (this._searchResults.length - 1);
this._jumpToSearchResult(this._currentSearchResultIndex);
},
showingFirstSearchResult: function()
{
return (this._currentSearchResultIndex === 0);
},
showingLastSearchResult: function()
{
return (this._searchResults && this._currentSearchResultIndex === (this._searchResults.length - 1));
},
_jumpToSearchResult: function(index)
{
var searchResult = this._searchResults[index];
if (!searchResult)
return;
var profileNode = searchResult.profileNode;
profileNode.revealAndSelect();
},
_ensureFlameChartCreated: function()
{
if (this._flameChart)
return;
this._flameChart = new WebInspector.FlameChart(this);
this._flameChart.addEventListener(WebInspector.FlameChart.Events.SelectedNode, this._onSelectedNode.bind(this));
},
/**
* @param {WebInspector.Event} event
*/
_onSelectedNode: function(event)
{
var node = event.data;
if (!node || !node.scriptId)
return;
var script = WebInspector.debuggerModel.scriptForId(node.scriptId)
if (!script)
return;
var uiLocation = script.rawLocationToUILocation(node.lineNumber);
if (!uiLocation)
return;
WebInspector.showPanel("scripts").showUILocation(uiLocation);
},
_changeView: function()
{
if (!this.profile)
return;
switch (this.viewSelectComboBox.selectedOption().value) {
case WebInspector.CPUProfileView._TypeFlame:
this._ensureFlameChartCreated();
this.dataGrid.detach();
this._flameChart.show(this.element);
this._viewType.set(WebInspector.CPUProfileView._TypeFlame);
this._statusBarButtonsElement.enableStyleClass("hidden", true);
return;
case WebInspector.CPUProfileView._TypeTree:
this.profileDataGridTree = this._getTopDownProfileDataGridTree();
this._sortProfile();
this._viewType.set(WebInspector.CPUProfileView._TypeTree);
break;
case WebInspector.CPUProfileView._TypeHeavy:
this.profileDataGridTree = this._getBottomUpProfileDataGridTree();
this._sortProfile();
this._viewType.set(WebInspector.CPUProfileView._TypeHeavy);
break;
}
this._statusBarButtonsElement.enableStyleClass("hidden", false);
if (this._flameChart)
this._flameChart.detach();
this.dataGrid.show(this.element);
if (!this.currentQuery || !this._searchFinishedCallback || !this._searchResults)
return;
// The current search needs to be performed again. First negate out previous match
// count by calling the search finished callback with a negative number of matches.
// Then perform the search again the with same query and callback.
this._searchFinishedCallback(this, -this._searchResults.length);
this.performSearch(this.currentQuery, this._searchFinishedCallback);
},
_percentClicked: function(event)
{
var currentState = this.showSelfTimeAsPercent.get() && this.showTotalTimeAsPercent.get() && this.showAverageTimeAsPercent.get();
this.showSelfTimeAsPercent.set(!currentState);
this.showTotalTimeAsPercent.set(!currentState);
this.showAverageTimeAsPercent.set(!currentState);
this.refreshShowAsPercents();
},
_updatePercentButton: function()
{
if (this.showSelfTimeAsPercent.get() && this.showTotalTimeAsPercent.get() && this.showAverageTimeAsPercent.get()) {
this.percentButton.title = WebInspector.UIString("Show absolute total and self times.");
this.percentButton.toggled = true;
} else {
this.percentButton.title = WebInspector.UIString("Show total and self times as percentages.");
this.percentButton.toggled = false;
}
},
_focusClicked: function(event)
{
if (!this.dataGrid.selectedNode)
return;
this.resetButton.visible = true;
this.profileDataGridTree.focus(this.dataGrid.selectedNode);
this.refresh();
this.refreshVisibleData();
},
_excludeClicked: function(event)
{
var selectedNode = this.dataGrid.selectedNode
if (!selectedNode)
return;
selectedNode.deselect();
this.resetButton.visible = true;
this.profileDataGridTree.exclude(selectedNode);
this.refresh();
this.refreshVisibleData();
},
_resetClicked: function(event)
{
this.resetButton.visible = false;
this.profileDataGridTree.restore();
this._linkifier.reset();
this.refresh();
this.refreshVisibleData();
},
_dataGridNodeSelected: function(node)
{
this.focusButton.setEnabled(true);
this.excludeButton.setEnabled(true);
},
_dataGridNodeDeselected: function(node)
{
this.focusButton.setEnabled(false);
this.excludeButton.setEnabled(false);
},
_sortProfile: function()
{
var sortAscending = this.dataGrid.isSortOrderAscending();
var sortColumnIdentifier = this.dataGrid.sortColumnIdentifier();
var sortProperty = {
"self": "selfTime",
"total": "totalTime",
"function": "functionName"
}[sortColumnIdentifier];
this.profileDataGridTree.sort(WebInspector.ProfileDataGridTree.propertyComparator(sortProperty, sortAscending));
this.refresh();
},
_mouseDownInDataGrid: function(event)
{
if (event.detail < 2)
return;
var cell = event.target.enclosingNodeOrSelfWithNodeName("td");
if (!cell || (!cell.hasStyleClass("total-column") && !cell.hasStyleClass("self-column") && !cell.hasStyleClass("average-column")))
return;
if (cell.hasStyleClass("total-column"))
this.showTotalTimeAsPercent.set(!this.showTotalTimeAsPercent.get());
else if (cell.hasStyleClass("self-column"))
this.showSelfTimeAsPercent.set(!this.showSelfTimeAsPercent.get());
else if (cell.hasStyleClass("average-column"))
this.showAverageTimeAsPercent.set(!this.showAverageTimeAsPercent.get());
this.refreshShowAsPercents();
event.consume(true);
},
_calculateTimes: function(profile)
{
function totalHitCount(node) {
var result = node.hitCount;
for (var i = 0; i < node.children.length; i++)
result += totalHitCount(node.children[i]);
return result;
}
profile.totalHitCount = totalHitCount(profile.head);
var durationMs = 1000 * profile.endTime - 1000 * profile.startTime;
var samplingRate = profile.totalHitCount / durationMs;
this.samplesPerMs = samplingRate;
function calculateTimesForNode(node) {
node.selfTime = node.hitCount * samplingRate;
var totalTime = node.selfTime;
for (var i = 0; i < node.children.length; i++)
totalTime += calculateTimesForNode(node.children[i]);
node.totalTime = totalTime;
return totalTime;
}
calculateTimesForNode(profile.head);
},
_assignParentsInProfile: function()
{
var head = this.profileHead;
head.parent = null;
head.head = null;
var nodesToTraverse = [ { parent: head, children: head.children } ];
while (nodesToTraverse.length > 0) {
var pair = nodesToTraverse.pop();
var parent = pair.parent;
var children = pair.children;
var length = children.length;
for (var i = 0; i < length; ++i) {
children[i].head = head;
children[i].parent = parent;
if (children[i].children.length > 0)
nodesToTraverse.push({ parent: children[i], children: children[i].children });
}
}
},
_buildIdToNodeMap: function()
{
var idToNode = this._idToNode = {};
var stack = [this.profileHead];
while (stack.length) {
var node = stack.pop();
idToNode[node.id] = node;
for (var i = 0; i < node.children.length; i++)
stack.push(node.children[i]);
}
var topLevelNodes = this.profileHead.children;
for (var i = 0; i < topLevelNodes.length; i++) {
var node = topLevelNodes[i];
if (node.functionName == "(garbage collector)") {
this._gcNode = node;
break;
}
}
},
__proto__: WebInspector.View.prototype
}
/**
* @constructor
* @extends {WebInspector.ProfileType}
* @implements {ProfilerAgent.Dispatcher}
*/
WebInspector.CPUProfileType = function()
{
WebInspector.ProfileType.call(this, WebInspector.CPUProfileType.TypeId, WebInspector.UIString("Collect JavaScript CPU Profile"));
InspectorBackend.registerProfilerDispatcher(this);
this._recording = false;
WebInspector.CPUProfileType.instance = this;
}
WebInspector.CPUProfileType.TypeId = "CPU";
WebInspector.CPUProfileType.prototype = {
/**
* @override
* @return {string}
*/
fileExtension: function()
{
return ".cpuprofile";
},
get buttonTooltip()
{
return this._recording ? WebInspector.UIString("Stop CPU profiling.") : WebInspector.UIString("Start CPU profiling.");
},
/**
* @override
* @return {boolean}
*/
buttonClicked: function()
{
if (this._recording) {
this.stopRecordingProfile();
return false;
} else {
this.startRecordingProfile();
return true;
}
},
get treeItemTitle()
{
return WebInspector.UIString("CPU PROFILES");
},
get description()
{
return WebInspector.UIString("CPU profiles show where the execution time is spent in your page's JavaScript functions.");
},
/**
* @param {ProfilerAgent.ProfileHeader} profileHeader
*/
addProfileHeader: function(profileHeader)
{
this.addProfile(this.createProfile(profileHeader));
},
isRecordingProfile: function()
{
return this._recording;
},
startRecordingProfile: function()
{
this._recording = true;
WebInspector.userMetrics.ProfilesCPUProfileTaken.record();
ProfilerAgent.start();
},
stopRecordingProfile: function()
{
this._recording = false;
ProfilerAgent.stop();
},
/**
* @param {boolean} isProfiling
*/
setRecordingProfile: function(isProfiling)
{
this._recording = isProfiling;
},
/**
* @override
* @param {string=} title
* @return {!WebInspector.ProfileHeader}
*/
createTemporaryProfile: function(title)
{
title = title || WebInspector.UIString("Recording\u2026");
return new WebInspector.CPUProfileHeader(this, title);
},
/**
* @override
* @param {ProfilerAgent.ProfileHeader} profile
* @return {!WebInspector.ProfileHeader}
*/
createProfile: function(profile)
{
return new WebInspector.CPUProfileHeader(this, profile.title, profile.uid);
},
/**
* @override
* @param {!WebInspector.ProfileHeader} profile
*/
removeProfile: function(profile)
{
WebInspector.ProfileType.prototype.removeProfile.call(this, profile);
if (!profile.isTemporary)
ProfilerAgent.removeProfile(this.id, profile.uid);
},
/**
* @override
* @param {function(this:WebInspector.ProfileType, ?string, Array.<ProfilerAgent.ProfileHeader>)} populateCallback
*/
_requestProfilesFromBackend: function(populateCallback)
{
ProfilerAgent.getProfileHeaders(populateCallback);
},
/**
* @override
*/
resetProfiles: function()
{
this._reset();
},
/** @deprecated To be removed from the protocol */
addHeapSnapshotChunk: function(uid, chunk)
{
throw new Error("Never called");
},
/** @deprecated To be removed from the protocol */
finishHeapSnapshot: function(uid)
{
throw new Error("Never called");
},
/** @deprecated To be removed from the protocol */
reportHeapSnapshotProgress: function(done, total)
{
throw new Error("Never called");
},
__proto__: WebInspector.ProfileType.prototype
}
/**
* @constructor
* @extends {WebInspector.ProfileHeader}
* @implements {WebInspector.OutputStream}
* @implements {WebInspector.OutputStreamDelegate}
* @param {!WebInspector.CPUProfileType} type
* @param {string} title
* @param {number=} uid
*/
WebInspector.CPUProfileHeader = function(type, title, uid)
{
WebInspector.ProfileHeader.call(this, type, title, uid);
}
WebInspector.CPUProfileHeader.prototype = {
onTransferStarted: function()
{
this._jsonifiedProfile = "";
this.sidebarElement.subtitle = WebInspector.UIString("Loading\u2026 %s", Number.bytesToString(this._jsonifiedProfile.length));
},
/**
* @param {WebInspector.ChunkedReader} reader
*/
onChunkTransferred: function(reader)
{
this.sidebarElement.subtitle = WebInspector.UIString("Loading\u2026 %d\%", Number.bytesToString(this._jsonifiedProfile.length));
},
onTransferFinished: function()
{
this.sidebarElement.subtitle = WebInspector.UIString("Parsing\u2026");
this._profile = JSON.parse(this._jsonifiedProfile);
this._jsonifiedProfile = null;
this.sidebarElement.subtitle = WebInspector.UIString("Loaded");
this.isTemporary = false;
},
/**
* @param {WebInspector.ChunkedReader} reader
*/
onError: function(reader, e)
{
switch(e.target.error.code) {
case e.target.error.NOT_FOUND_ERR:
this.sidebarElement.subtitle = WebInspector.UIString("'%s' not found.", reader.fileName());
break;
case e.target.error.NOT_READABLE_ERR:
this.sidebarElement.subtitle = WebInspector.UIString("'%s' is not readable", reader.fileName());
break;
case e.target.error.ABORT_ERR:
break;
default:
this.sidebarElement.subtitle = WebInspector.UIString("'%s' error %d", reader.fileName(), e.target.error.code);
}
},
/**
* @param {string} text
*/
write: function(text)
{
this._jsonifiedProfile += text;
},
close: function() { },
/**
* @override
*/
createSidebarTreeElement: function()
{
return new WebInspector.ProfileSidebarTreeElement(this, WebInspector.UIString("Profile %d"), "profile-sidebar-tree-item");
},
/**
* @override
* @param {WebInspector.ProfilesPanel} profilesPanel
*/
createView: function(profilesPanel)
{
return new WebInspector.CPUProfileView(this);
},
/**
* @override
* @return {boolean}
*/
canSaveToFile: function()
{
return true;
},
saveToFile: function()
{
var fileOutputStream = new WebInspector.FileOutputStream();
/**
* @param {?Protocol.Error} error
* @param {ProfilerAgent.CPUProfile} profile
*/
function getCPUProfileCallback(error, profile)
{
if (error) {
fileOutputStream.close();
return;
}
if (!profile.head) {
// Profiling was tentatively terminated with the "Clear all profiles." button.
fileOutputStream.close();
return;
}
fileOutputStream.write(JSON.stringify(profile), fileOutputStream.close.bind(fileOutputStream));
}
function onOpen()
{
ProfilerAgent.getCPUProfile(this.uid, getCPUProfileCallback.bind(this));
}
this._fileName = this._fileName || "CPU-" + new Date().toISO8601Compact() + this._profileType.fileExtension();
fileOutputStream.open(this._fileName, onOpen.bind(this));
},
/**
* @param {File} file
*/
loadFromFile: function(file)
{
this.title = file.name;
this.sidebarElement.subtitle = WebInspector.UIString("Loading\u2026");
this.sidebarElement.wait = true;
var fileReader = new WebInspector.ChunkedFileReader(file, 10000000, this);
fileReader.start(this);
},
__proto__: WebInspector.ProfileHeader.prototype
}