profileview.js

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        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 = this._searchResults[index].profileNode;
        if (!profileNode._dataGridNode && searchResult.ancestors) {
            var ancestors = searchResult.ancestors;
            for (var i = 0; i < ancestors.length; ++i) {
                var ancestorProfileNode = ancestors[i];
                var gridNode = ancestorProfileNode._dataGridNode;
                if (gridNode)
                    gridNode.expand();
            }

            // No need to keep the ancestors around.
            delete searchResult.ancestors;
        }

        gridNode = profileNode._dataGridNode;
        if (!gridNode)
            return;

        gridNode.reveal();
        gridNode.select();
    },

    _changeView: function(event)
    {
        if (!event || !this.profile)
            return;

        if (event.target.selectedIndex == 1 && this.view == "Heavy") {
            this._sortProfile(this.profile.treeProfile);
            this.profile = this.profile.treeProfile;
            this.view = "Tree";
        } else if (event.target.selectedIndex == 0 && this.view == "Tree") {
            this._sortProfile(this.profile.heavyProfile);
            this.profile = this.profile.heavyProfile;
            this.view = "Heavy";
        }

        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 && this.showTotalTimeAsPercent;
        this.showSelfTimeAsPercent = !currentState;
        this.showTotalTimeAsPercent = !currentState;
        this.refreshShowAsPercents();
    },

    _updatePercentButton: function()
    {
        if (this.showSelfTimeAsPercent && this.showTotalTimeAsPercent) {
            this.percentButton.title = WebInspector.UIString("Show absolute total and self times.");
            this.percentButton.addStyleClass("toggled-on");
        } else {
            this.percentButton.title = WebInspector.UIString("Show total and self times as percentages.");
            this.percentButton.removeStyleClass("toggled-on");
        }
    },

    _focusClicked: function(event)
    {
        if (!this.dataGrid.selectedNode || !this.dataGrid.selectedNode.profileNode)
            return;
        this.resetButton.removeStyleClass("hidden");
        this.profile.focus(this.dataGrid.selectedNode.profileNode);
        this.refresh();
    },

    _excludeClicked: function(event)
    {
        if (!this.dataGrid.selectedNode || !this.dataGrid.selectedNode.profileNode)
            return;
        this.resetButton.removeStyleClass("hidden");
        this.profile.exclude(this.dataGrid.selectedNode.profileNode);
        this.dataGrid.selectedNode.deselect();
        this.refresh();
    },

    _resetClicked: function(event)
    {
        this.resetButton.addStyleClass("hidden");
        this.profile.restoreAll();
        this.refresh();
    },

    _dataGridNodeSelected: function(node)
    {
        this.focusButton.disabled = false;
        this.excludeButton.disabled = false;
    },

    _dataGridNodeDeselected: function(node)
    {
        this.focusButton.disabled = true;
        this.excludeButton.disabled = true;
    },

    _sortData: function(event)
    {
        this._sortProfile(this.profile);
    },

    _sortProfile: function(profile)
    {
        if (!profile)
            return;

        var sortOrder = this.dataGrid.sortOrder;
        var sortColumnIdentifier = this.dataGrid.sortColumnIdentifier;

        var sortingFunctionName = "sort";

        if (sortColumnIdentifier === "self")
            sortingFunctionName += "SelfTime";
        else if (sortColumnIdentifier === "total")
            sortingFunctionName += "TotalTime";
        else if (sortColumnIdentifier === "calls")
            sortingFunctionName += "Calls";
        else if (sortColumnIdentifier === "function")
            sortingFunctionName += "FunctionName";

        if (sortOrder === "ascending")
            sortingFunctionName += "Ascending";
        else
            sortingFunctionName += "Descending";

        if (!(sortingFunctionName in this.profile))
            return;

        profile[sortingFunctionName]();

        if (profile === this.profile)
            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")))
            return;

        if (cell.hasStyleClass("total-column"))
            this.showTotalTimeAsPercent = !this.showTotalTimeAsPercent;
        else if (cell.hasStyleClass("self-column"))
            this.showSelfTimeAsPercent = !this.showSelfTimeAsPercent;

        this.refreshShowAsPercents();

        event.preventDefault();
        event.stopPropagation();
    }
}

WebInspector.ProfileView.prototype.__proto__ = WebInspector.View.prototype;

WebInspector.ProfileDataGridNode = function(profileView, profileNode)
{
    this.profileView = profileView;

    this.profileNode = profileNode;
    profileNode._dataGridNode = this;

    // Find the first child that is visible. Since we don't want to claim
    // we have children if all the children are invisible.
    var hasChildren = false;
    var children = this.profileNode.children;
    var childrenLength = children.length;
    for (var i = 0; i < childrenLength; ++i) {
        if (children[i].visible) {
            hasChildren = true;
            break;
        }
    }

    WebInspector.DataGridNode.call(this, null, hasChildren);

    this.addEventListener("populate", this._populate, this);

    this.expanded = profileNode._expanded;
}

WebInspector.ProfileDataGridNode.prototype = {
    get data()
    {
        function formatMilliseconds(time)
        {
            return Number.secondsToString(time / 1000, WebInspector.UIString.bind(WebInspector), true);
        }

        var data = {};
        data["function"] = this.profileNode.functionName;
        data["calls"] = this.profileNode.numberOfCalls;

        if (this.profileView.showSelfTimeAsPercent)
            data["self"] = WebInspector.UIString("%.2f%%", this.profileNode.selfPercent);
        else
            data["self"] = formatMilliseconds(this.profileNode.selfTime);

        if (this.profileView.showTotalTimeAsPercent)
            data["total"] = WebInspector.UIString("%.2f%%", this.profileNode.totalPercent);
        else
            data["total"] = formatMilliseconds(this.profileNode.totalTime);

        return data;
    },

    createCell: function(columnIdentifier)
    {
        var cell = WebInspector.DataGridNode.prototype.createCell.call(this, columnIdentifier);

        if (columnIdentifier === "self" && this.profileNode._searchMatchedSelfColumn)
            cell.addStyleClass("highlight");
        else if (columnIdentifier === "total" && this.profileNode._searchMatchedTotalColumn)
            cell.addStyleClass("highlight");
        else if (columnIdentifier === "calls" && this.profileNode._searchMatchedCallsColumn)
            cell.addStyleClass("highlight");

        if (columnIdentifier !== "function")
            return cell;

        if (this.profileNode._searchMatchedFunctionColumn)
            cell.addStyleClass("highlight");

        if (this.profileNode.url) {
            var fileName = WebInspector.displayNameForURL(this.profileNode.url);

            var urlElement = document.createElement("a");
            urlElement.className = "profile-node-file webkit-html-resource-link";
            urlElement.href = this.profileNode.url;
            urlElement.lineNumber = this.profileNode.lineNumber;

            if (this.profileNode.lineNumber > 0)
                urlElement.textContent = fileName + ":" + this.profileNode.lineNumber;
            else
                urlElement.textContent = fileName;

            cell.insertBefore(urlElement, cell.firstChild);
        }

        return cell;
    },

    select: function(supressSelectedEvent)
    {
        WebInspector.DataGridNode.prototype.select.call(this, supressSelectedEvent);
        this.profileView._dataGridNodeSelected(this);
    },

    deselect: function(supressDeselectedEvent)
    {
        WebInspector.DataGridNode.prototype.deselect.call(this, supressDeselectedEvent);
        this.profileView._dataGridNodeDeselected(this);
    },

    expand: function()
    {
        WebInspector.DataGridNode.prototype.expand.call(this);
        this.profileNode._expanded = true;
    },

    collapse: function()
    {
        WebInspector.DataGridNode.prototype.collapse.call(this);
        this.profileNode._expanded = false;
    },

    _populate: function(event)
    {
        var children = this.profileNode.children;
        var childrenLength = children.length;
        for (var i = 0; i < childrenLength; ++i)
            if (children[i].visible)
                this.appendChild(new WebInspector.ProfileDataGridNode(this.profileView, children[i]));
        this.removeEventListener("populate", this._populate, this);
    }
}

WebInspector.ProfileDataGridNode.prototype.__proto__ = WebInspector.DataGridNode.prototype;