forked from mozilla/cleopatra
/
ui.js
executable file
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/
ui.js
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var EIDETICKER_BASE_URL = "http://wrla.ch/eideticker/dashboard/";
var gDebugLog = false;
var gDebugTrace = false;
var gLocation = window.location + "";
if (gLocation.indexOf("file:") == 0) {
gDebugLog = true;
gDebugTrace = true;
PROFILERLOG("Turning on logging+tracing since cleopatra is served from the file protocol");
}
// Use for verbose tracing, otherwise use log
function PROFILERTRACE(msg) {
if (gDebugTrace)
PROFILERLOG(msg);
}
function PROFILERLOG(msg) {
if (gDebugLog) {
msg = "Cleo: " + msg;
console.log(msg);
dump(msg + "\n");
}
}
function PROFILERERROR(msg) {
msg = "Cleo: " + msg;
console.log(msg);
dump(msg + "\n");
}
function enableProfilerTracing() {
gDebugLog = true;
gDebugTrace = true;
Parser.updateLogSetting();
}
function enableProfilerLogging() {
gDebugLog = true;
Parser.updateLogSetting();
}
function removeAllChildren(element) {
while (element.firstChild) {
element.removeChild(element.firstChild);
}
}
function FileList() {
this._container = document.createElement("ul");
this._container.id = "fileList";
this._selectedFileItem = null;
this._fileItemList = [];
}
FileList.prototype = {
getContainer: function FileList_getContainer() {
return this._container;
},
loadProfileListFromLocalStraoge: function FileList_loadProfileListFromLocalStorage() {
var self = this;
gLocalStorage.getProfileList(function(profileList) {
for (var i = 0; i < profileList.length; i++) {
(function closure() {
// This only carries info about the profile and the access key to retrieve it.
var profileInfo = profileList[i];
//PROFILERTRACE("Profile list from local storage: " + JSON.stringify(profileInfo));
var fileEntry = self.addFile(profileInfo.profileKey, "local storage", function fileEntryClick() {
loadLocalStorageProfile(profileInfo.profileKey);
});
})();
}
});
},
addFile: function FileList_addFile(fileName, description, onselect) {
var li = document.createElement("li");
li.fileName = fileName || "New Profile";
li.description = description || "(empty)";
li.className = "fileListItem";
if (!this._selectedFileItem) {
li.classList.add("selected");
this._selectedFileItem = li;
}
li.onselect = onselect;
var self = this;
li.onclick = function() {
self.setSelection(li);
}
var fileListItemTitleSpan = document.createElement("span");
fileListItemTitleSpan.className = "fileListItemTitle";
fileListItemTitleSpan.textContent = li.fileName;
li.appendChild(fileListItemTitleSpan);
var fileListItemDescriptionSpan = document.createElement("span");
fileListItemDescriptionSpan.className = "fileListItemDescription";
fileListItemDescriptionSpan.textContent = li.description;
li.appendChild(fileListItemDescriptionSpan);
this._container.appendChild(li);
this._fileItemList.push(li);
return li;
},
setSelection: function FileList_setSelection(fileEntry) {
if (this._selectedFileItem) {
this._selectedFileItem.classList.remove("selected");
}
this._selectedFileItem = fileEntry;
fileEntry.classList.add("selected");
if (this._selectedFileItem.onselect)
this._selectedFileItem.onselect();
},
profileParsingFinished: function FileList_profileParsingFinished() {
this._container.querySelector(".fileListItemTitle").textContent = "Current Profile";
this._container.querySelector(".fileListItemDescription").textContent = gNumSamples + " Samples";
}
}
function treeObjSort(a, b) {
return b.counter - a.counter;
}
function ProfileTreeManager() {
this.treeView = new TreeView();
this.treeView.setColumns([
{ name: "sampleCount", title: "Running time" },
{ name: "selfSampleCount", title: "Self" },
{ name: "symbolName", title: "Symbol Name"},
]);
var self = this;
this.treeView.addEventListener("select", function (frameData) {
self.highlightFrame(frameData);
});
this.treeView.addEventListener("contextMenuClick", function (e) {
self._onContextMenuClick(e);
});
this.treeView.addEventListener("focusCallstackButtonClicked", function (frameData) {
var focusedCallstack = self._getCallstackUpTo(frameData);
focusOnCallstack(focusedCallstack, frameData.name);
});
this._container = document.createElement("div");
this._container.className = "tree";
this._container.appendChild(this.treeView.getContainer());
// If this is set when the tree changes the snapshot is immediately restored.
this._savedSnapshot = null;
}
ProfileTreeManager.prototype = {
getContainer: function ProfileTreeManager_getContainer() {
return this._container;
},
highlightFrame: function Treedisplay_highlightFrame(frameData) {
setHighlightedCallstack(this._getCallstackUpTo(frameData), this._getHeaviestCallstack(frameData));
},
dataIsOutdated: function ProfileTreeManager_dataIsOutdated() {
this.treeView.dataIsOutdated();
},
saveSelectionSnapshot: function ProfileTreeManager_getSelectionSnapshot(isJavascriptOnly) {
this._savedSnapshot = this.treeView.getSelectionSnapshot(isJavascriptOnly);
},
saveReverseSelectionSnapshot: function ProfileTreeManager_getReverseSelectionSnapshot(isJavascriptOnly) {
this._savedSnapshot = this.treeView.getReverseSelectionSnapshot(isJavascriptOnly);
},
_restoreSelectionSnapshot: function ProfileTreeManager__restoreSelectionSnapshot(snapshot, allowNonContigous) {
return this.treeView.restoreSelectionSnapshot(snapshot, allowNonContigous);
},
setSelection: function ProfileTreeManager_setSelection(frames) {
return this.treeView.setSelection(frames);
},
_getCallstackUpTo: function ProfileTreeManager__getCallstackUpTo(frame) {
var callstack = [];
var curr = frame;
while (curr != null) {
if (curr.name != null) {
var subCallstack = curr.fullFrameNamesAsInSample.clone();
subCallstack.reverse();
callstack = callstack.concat(subCallstack);
}
curr = curr.parent;
}
callstack.reverse();
if (gInvertCallstack)
callstack.shift(); // remove (total)
return callstack;
},
_getHeaviestCallstack: function ProfileTreeManager__getHeaviestCallstack(frame) {
// FIXME: This gets the first leaf which is not the heaviest leaf.
while(frame.children && frame.children.length > 0) {
var nextFrame = frame.children[0].getData();
if (!nextFrame)
break;
frame = nextFrame;
}
return this._getCallstackUpTo(frame);
},
_onContextMenuClick: function ProfileTreeManager__onContextMenuClick(e) {
var node = e.node;
var menuItem = e.menuItem;
if (menuItem == "View Source") {
// Remove anything after ( since MXR doesn't handle search with the arguments.
var symbol = node.name.split("(")[0];
window.open("http://mxr.mozilla.org/mozilla-central/search?string=" + symbol, "View Source");
} else if (menuItem == "View JS Source") {
viewJSSource(node);
} else if (menuItem == "Plugin View: Pie") {
focusOnPluginView("protovis", {type:"pie"});
} else if (menuItem == "Plugin View: Tree") {
focusOnPluginView("protovis", {type:"tree"});
} else if (menuItem == "Google Search") {
var symbol = node.name;
window.open("https://www.google.ca/search?q=" + symbol, "View Source");
} else if (menuItem == "Focus Frame") {
var symbol = node.fullFrameNamesAsInSample[0]; // TODO: we only function one symbol when callpath merging is on, fix that
focusOnSymbol(symbol, node.name);
} else if (menuItem == "Focus Callstack") {
var focusedCallstack = this._getCallstackUpTo(node);
focusOnCallstack(focusedCallstack, node.name);
}
},
setAllowNonContigous: function ProfileTreeManager_setAllowNonContigous() {
this._allowNonContigous = true;
},
display: function ProfileTreeManager_display(tree, symbols, functions, useFunctions, filterByName) {
this.treeView.display(this.convertToJSTreeData(tree, symbols, functions, useFunctions), filterByName);
if (this._savedSnapshot) {
this._restoreSelectionSnapshot(this._savedSnapshot, this._allowNonContigous);
this._savedSnapshot = null;
this._allowNonContigous = false;
}
},
convertToJSTreeData: function ProfileTreeManager__convertToJSTreeData(rootNode, symbols, functions, useFunctions) {
var totalSamples = rootNode.counter;
function createTreeViewNode(node, parent) {
var curObj = {};
curObj.parent = parent;
curObj.counter = node.counter;
var selfCounter = node.counter;
for (var i = 0; i < node.children.length; ++i) {
selfCounter -= node.children[i].counter;
}
curObj.selfCounter = selfCounter;
curObj.ratio = node.counter / totalSamples;
curObj.fullFrameNamesAsInSample = node.mergedNames ? node.mergedNames : [node.name];
if (useFunctions ? !(node.name in functions) : !(node.name in symbols)) {
curObj.name = node.name;
curObj.library = "";
} else {
var functionObj = useFunctions ? functions[node.name] : functions[symbols[node.name].functionIndex];
var info = {
functionName: functionObj.functionName,
libraryName: functionObj.libraryName,
lineInformation: useFunctions ? "" : symbols[node.name].lineInformation
};
curObj.name = (info.functionName + " " + info.lineInformation).trim();
curObj.library = info.libraryName;
curObj.isJSFrame = functionObj.isJSFrame;
if (functionObj.scriptLocation) {
curObj.scriptLocation = functionObj.scriptLocation;
}
}
if (node.children.length) {
curObj.children = getChildrenObjects(node.children, curObj);
}
return curObj;
}
function getChildrenObjects(children, parent) {
var sortedChildren = children.slice(0).sort(treeObjSort);
return sortedChildren.map(function (child) {
var createdNode = null;
return {
getData: function () {
if (!createdNode) {
createdNode = createTreeViewNode(child, parent);
}
return createdNode;
}
};
});
}
return getChildrenObjects([rootNode], null);
},
};
function SampleBar() {
this._container = document.createElement("div");
this._container.id = "sampleBar";
this._container.className = "sideBar";
this._header = document.createElement("h2");
this._header.innerHTML = "Selection - Most time spent in:";
this._header.alt = "This shows the heaviest leaf of the selected sample. Use this to get a quick glimpse of where the selection is spending most of its time.";
this._container.appendChild(this._header);
this._text = document.createElement("span");
this._text.style.whiteSpace = "pre";
this._text.innerHTML = "Sample text";
this._container.appendChild(this._text);
}
SampleBar.prototype = {
getContainer: function SampleBar_getContainer() {
return this._container;
},
setSample: function SampleBar_setSample(sample) {
var str = "";
var list = [];
this._text.innerHTML = "";
for (var i = 0; i < sample.length; i++) {
var functionObj = gMergeFunctions ? gFunctions[sample[i]] : gFunctions[symbols[sample[i]].functionIndex];
if (!functionObj)
continue;
var functionLink = document.createElement("a");
functionLink.textContent = "- " + functionObj.functionName;
functionLink.href = "#";
this._text.appendChild(functionLink);
this._text.appendChild(document.createElement("br"));
list.push(functionObj.functionName);
functionLink.selectIndex = i;
functionLink.onclick = function() {
var selectedFrames = [];
if (gInvertCallstack) {
for (var i = 0; i <= this.selectIndex; i++) {
var functionObj = gMergeFunctions ? gFunctions[sample[i]] : gFunctions[symbols[sample[i]].functionIndex];
selectedFrames.push(functionObj.functionName);
}
} else {
for (var i = sample.length - 1; i >= this.selectIndex; i--) {
var functionObj = gMergeFunctions ? gFunctions[sample[i]] : gFunctions[symbols[sample[i]].functionIndex];
selectedFrames.push(functionObj.functionName);
}
}
gTreeManager.setSelection(selectedFrames);
return false;
}
}
return list;
},
}
function PluginView() {
this._container = document.createElement("div");
this._container.className = "pluginview";
this._container.style.visibility = 'hidden';
this._iframe = document.createElement("iframe");
this._iframe.className = "pluginviewIFrame";
this._container.appendChild(this._iframe);
this._container.style.top = "";
}
PluginView.prototype = {
getContainer: function PluginView_getContainer() {
return this._container;
},
hide: function() {
// get rid of the scrollbars
this._container.style.top = "";
this._container.style.visibility = 'hidden';
},
show: function() {
// This creates extra scrollbar so only do it when needed
this._container.style.top = "0px";
this._container.style.visibility = '';
},
display: function(pluginName, param, data) {
this._iframe.src = "js/plugins/" + pluginName + "/index.html";
var self = this;
this._iframe.onload = function() {
console.log("Pluginview '" + pluginName + " iframe onload");
self._iframe.contentWindow.initCleopatraPlugin(data, param, gSymbols);
}
this.show();
//console.log(gSymbols);
},
}
function HistogramView() {
this._container = document.createElement("div");
this._container.className = "histogram";
this._canvas = this._createCanvas();
this._container.appendChild(this._canvas);
this._rangeSelector = new RangeSelector(this._canvas, this);
this._rangeSelector.enableRangeSelectionOnHistogram();
this._container.appendChild(this._rangeSelector.getContainer());
this._busyCover = document.createElement("div");
this._busyCover.className = "busyCover";
this._container.appendChild(this._busyCover);
this._histogramData = [];
}
HistogramView.prototype = {
dataIsOutdated: function HistogramView_dataIsOutdated() {
this._busyCover.classList.add("busy");
},
_createCanvas: function HistogramView__createCanvas() {
var canvas = document.createElement("canvas");
canvas.height = 60;
canvas.style.width = "100%";
canvas.style.height = "100%";
return canvas;
},
getContainer: function HistogramView_getContainer() {
return this._container;
},
showVideoPosition: function HistogramView_showVideoPosition(position) {
// position in 0..1
this._rangeSelector.showVideoPosition(position);
},
_gatherMarkersList: function HistogramView__gatherMarkersList(histogramData) {
var markers = [];
for (var i = 0; i < histogramData.length; ++i) {
var step = histogramData[i];
if ("marker" in step) {
markers.push({
index: i,
name: step.marker
});
}
}
return markers;
},
_calculateWidthMultiplier: function () {
var minWidth = 2000;
return Math.ceil(minWidth / this._widthSum);
},
histogramClick: function HistogramView_histogramClick(index) {
var sample = this._histogramData[index];
var frames = sample.frames;
var list = gSampleBar.setSample(frames[0]);
gTreeManager.setSelection(list);
setHighlightedCallstack(frames[0], frames[0]);
},
display: function HistogramView_display(histogramData, widthSum, highlightedCallstack) {
this._histogramData = histogramData;
this._widthSum = widthSum;
this._widthMultiplier = this._calculateWidthMultiplier();
this._canvas.width = this._widthMultiplier * this._widthSum;
this._render(highlightedCallstack);
this._busyCover.classList.remove("busy");
},
_render: function HistogramView__render(highlightedCallstack) {
var ctx = this._canvas.getContext("2d");
var height = this._canvas.height;
ctx.setTransform(this._widthMultiplier, 0, 0, 1, 0, 0);
ctx.clearRect(0, 0, this._widthSum, height);
var self = this;
for (var i = 0; i < this._histogramData.length; i++) {
var step = this._histogramData[i];
var isSelected = self._isStepSelected(step, highlightedCallstack);
var isInRangeSelector = self._isInRangeSelector(i);
if (isSelected) {
ctx.fillStyle = "green";
} else if (isInRangeSelector) {
ctx.fillStyle = "blue";
} else {
ctx.fillStyle = step.color;
}
var roundedHeight = Math.round(step.value * height);
ctx.fillRect(step.x, height - roundedHeight, step.width, roundedHeight);
}
this._finishedRendering = true;
},
highlightedCallstackChanged: function HistogramView_highlightedCallstackChanged(highlightedCallstack) {
this._render(highlightedCallstack);
},
_isInRangeSelector: function HistogramView_isInRangeSelector(index) {
return false;
},
_isStepSelected: function HistogramView__isStepSelected(step, highlightedCallstack) {
if ("marker" in step)
return false;
return step.frames.some(function isCallstackSelected(frames) {
if (frames.length < highlightedCallstack.length ||
highlightedCallstack.length <= (gInvertCallstack ? 0 : 1))
return false;
var compareFrames = frames;
if (gInvertCallstack) {
for (var j = 0; j < highlightedCallstack.length; j++) {
var compareFrameIndex = compareFrames.length - 1 - j;
if (highlightedCallstack[j] == "(total)") continue;
if (highlightedCallstack[j] != compareFrames[compareFrameIndex] &&
compareFrames[compareFrameIndex] != "(root)") {
return false;
}
}
} else {
for (var j = 0; j < highlightedCallstack.length; j++) {
var compareFrameIndex = j;
if (highlightedCallstack[j] == "(total)") continue;
if (highlightedCallstack[j] != compareFrames[compareFrameIndex] &&
compareFrames[compareFrameIndex] != "(root)") {
return false;
}
}
}
return true;
});
},
getHistogramData: function HistogramView__getHistogramData() {
return this._histogramData;
},
_getStepColor: function HistogramView__getStepColor(step) {
if ("responsiveness" in step.extraInfo) {
var res = step.extraInfo.responsiveness;
var redComponent = Math.round(255 * Math.min(1, res / kDelayUntilWorstResponsiveness));
return "rgb(" + redComponent + ",0,0)";
}
return "rgb(0,0,0)";
},
};
function RangeSelector(graph, histogram) {
this._histogram = histogram;
this.container = document.createElement("div");
this.container.className = "rangeSelectorContainer";
this._graph = graph;
this._selectedRange = { startX: 0, endX: 0 };
this._selectedSampleRange = { start: 0, end: 0 };
this._highlighter = document.createElement("div");
this._highlighter.className = "histogramHilite collapsed";
this.container.appendChild(this._highlighter);
this._mouseMarker = document.createElement("div");
this._mouseMarker.className = "histogramMouseMarker";
this.container.appendChild(this._mouseMarker);
}
RangeSelector.prototype = {
getContainer: function RangeSelector_getContainer() {
return this.container;
},
// echo the location off the mouse on the histogram
drawMouseMarker: function RangeSelector_drawMouseMarker(x) {
console.log("Draw");
var mouseMarker = this._mouseMarker;
mouseMarker.style.left = x + "px";
},
showVideoPosition: function RangeSelector_showVideoPosition(position) {
this.drawMouseMarker(position * this._graph.parentNode.clientWidth);
PROFILERLOG("Show video position: " + position);
},
drawHiliteRectangle: function RangeSelector_drawHiliteRectangle(x, y, width, height) {
var hilite = this._highlighter;
hilite.style.left = x + "px";
hilite.style.top = "0";
hilite.style.width = width + "px";
hilite.style.height = height + "px";
},
clearCurrentRangeSelection: function RangeSelector_clearCurrentRangeSelection() {
try {
this.changeEventSuppressed = true;
var children = this.selector.childNodes;
for (var i = 0; i < children.length; ++i) {
children[i].selected = false;
}
} finally {
this.changeEventSuppressed = false;
}
},
enableRangeSelectionOnHistogram: function RangeSelector_enableRangeSelectionOnHistogram() {
var graph = this._graph;
var isDrawingRectangle = false;
var origX, origY;
var self = this;
function histogramClick(clickX, clickY) {
clickX = Math.min(clickX, graph.parentNode.getBoundingClientRect().right);
clickX = clickX - graph.parentNode.getBoundingClientRect().left;
var index = self._histogramIndexFromPoint(clickX);
self._histogram.histogramClick(index);
}
function updateHiliteRectangle(newX, newY) {
newX = Math.min(newX, graph.parentNode.getBoundingClientRect().right);
var startX = Math.min(newX, origX) - graph.parentNode.getBoundingClientRect().left;
var startY = 0;
var width = Math.abs(newX - origX);
var height = graph.parentNode.clientHeight;
if (startX < 0) {
width += startX;
startX = 0;
}
self._selectedRange.startX = startX;
self._selectedRange.endX = startX + width;
self.drawHiliteRectangle(startX, startY, width, height);
}
function updateMouseMarker(newX) {
self.drawMouseMarker(newX - graph.parentNode.getBoundingClientRect().left);
}
graph.addEventListener("mousedown", function(e) {
if (e.button != 0)
return;
graph.style.cursor = "col-resize";
isDrawingRectangle = true;
self.beginHistogramSelection();
origX = e.pageX;
origY = e.pageY;
if (this.setCapture)
this.setCapture();
// Reset the highlight rectangle
updateHiliteRectangle(e.pageX, e.pageY);
e.preventDefault();
this._movedDuringClick = false;
}, false);
graph.addEventListener("mouseup", function(e) {
graph.style.cursor = "default";
if (!this._movedDuringClick) {
isDrawingRectangle = false;
// Handle as a click on the histogram. Select the sample:
histogramClick(e.pageX, e.pageY);
} else if (isDrawingRectangle) {
isDrawingRectangle = false;
updateHiliteRectangle(e.pageX, e.pageY);
self.finishHistogramSelection(e.pageX != origX);
if (e.pageX == origX) {
// Simple click in the histogram
var index = self._sampleIndexFromPoint(e.pageX - graph.parentNode.getBoundingClientRect().left);
// TODO Select this sample in the tree view
var sample = gCurrentlyShownSampleData[index];
console.log("Should select: " + sample);
}
}
}, false);
graph.addEventListener("mousemove", function(e) {
this._movedDuringClick = true;
if (isDrawingRectangle) {
console.log(e.pageX);
updateMouseMarker(-1); // Clear
updateHiliteRectangle(e.pageX, e.pageY);
} else {
updateMouseMarker(e.pageX);
}
}, false);
graph.addEventListener("mouseout", function(e) {
updateMouseMarker(-1); // Clear
}, false);
},
beginHistogramSelection: function RangeSelector_beginHistgramSelection() {
var hilite = this._highlighter;
hilite.classList.remove("finished");
hilite.classList.add("selecting");
hilite.classList.remove("collapsed");
if (this._transientRestrictionEnteringAffordance) {
this._transientRestrictionEnteringAffordance.discard();
}
},
finishHistogramSelection: function RangeSelector_finishHistgramSelection(isSomethingSelected) {
var self = this;
var hilite = this._highlighter;
hilite.classList.remove("selecting");
if (isSomethingSelected) {
hilite.classList.add("finished");
var start = this._sampleIndexFromPoint(this._selectedRange.startX);
var end = this._sampleIndexFromPoint(this._selectedRange.endX);
var newFilterChain = gSampleFilters.concat({ type: "RangeSampleFilter", start: start, end: end });
self._transientRestrictionEnteringAffordance = gBreadcrumbTrail.add({
title: "Sample Range [" + start + ", " + (end + 1) + "]",
enterCallback: function () {
gSampleFilters = newFilterChain;
self.collapseHistogramSelection();
filtersChanged();
}
});
} else {
hilite.classList.add("collapsed");
}
},
collapseHistogramSelection: function RangeSelector_collapseHistogramSelection() {
var hilite = this._highlighter;
hilite.classList.add("collapsed");
},
_sampleIndexFromPoint: function RangeSelector__sampleIndexFromPoint(x) {
// XXX this is completely wrong, fix please
var totalSamples = parseFloat(gCurrentlyShownSampleData.length);
var width = parseFloat(this._graph.parentNode.clientWidth);
var factor = totalSamples / width;
return parseInt(parseFloat(x) * factor);
},
_histogramIndexFromPoint: function RangeSelector__histogramIndexFromPoint(x) {
// XXX this is completely wrong, fix please
var totalSamples = parseFloat(this._histogram._histogramData.length);
var width = parseFloat(this._graph.parentNode.clientWidth);
var factor = totalSamples / width;
return parseInt(parseFloat(x) * factor);
},
};
function videoPaneTimeChange(video) {
gHistogramView.showVideoPosition(video.currentTime / video.duration);
}
window.onpopstate = function(ev) {
console.log("pop: " + JSON.stringify(ev.state));
gBreadcrumbTrail.pop();
if (ev.state) {
console.log("state");
if (ev.state.action === "popbreadcrumb") {
console.log("bread");
//gBreadcrumbTrail.pop();
}
}
}
function BreadcrumbTrail() {
this._breadcrumbs = [];
this._selectedBreadcrumbIndex = -1;
this._containerElement = document.createElement("div");
this._containerElement.className = "breadcrumbTrail";
var self = this;
this._containerElement.addEventListener("click", function (e) {
if (!e.target.classList.contains("breadcrumbTrailItem"))
return;
self._enter(e.target.breadcrumbIndex);
});
}
BreadcrumbTrail.prototype = {
getContainer: function BreadcrumbTrail_getContainer() {
return this._containerElement;
},
/**
* Add a breadcrumb. The breadcrumb parameter is an object with the following
* properties:
* - title: The text that will be shown in the breadcrumb's button.
* - enterCallback: A function that will be called when entering this
* breadcrumb.
*/
add: function BreadcrumbTrail_add(breadcrumb) {
for (var i = this._breadcrumbs.length - 1; i > this._selectedBreadcrumbIndex; i--) {
var rearLi = this._breadcrumbs[i];
if (!rearLi.breadcrumbIsTransient)
throw "Can only add new breadcrumbs if after the current one there are only transient ones.";
rearLi.breadcrumbDiscarder.discard();
}
var div = document.createElement("div");
div.className = "breadcrumbTrailItem";
div.textContent = breadcrumb.title;
var index = this._breadcrumbs.length;
div.breadcrumbIndex = index;
div.breadcrumbEnterCallback = breadcrumb.enterCallback;
div.breadcrumbIsTransient = true;
div.style.zIndex = 1000 - index;
this._containerElement.appendChild(div);
this._breadcrumbs.push(div);
if (index == 0)
this._enter(index);
var self = this;
div.breadcrumbDiscarder = {
discard: function () {
if (div.breadcrumbIsTransient) {
self._deleteBeyond(index - 1);
delete div.breadcrumbIsTransient;
delete div.breadcrumbDiscarder;
}
}
};
return div.breadcrumbDiscarder;
},
addAndEnter: function BreadcrumbTrail_addAndEnter(breadcrumb) {
var removalHandle = this.add(breadcrumb);
this._enter(this._breadcrumbs.length - 1);
},
pop : function BreadcrumbTrail_pop() {
if (this._breadcrumbs.length-2 >= 0)
this._enter(this._breadcrumbs.length-2);
},
_enter: function BreadcrumbTrail__select(index) {
if (index == this._selectedBreadcrumbIndex)
return;
gTreeManager.saveSelectionSnapshot();
var prevSelected = this._breadcrumbs[this._selectedBreadcrumbIndex];
if (prevSelected)
prevSelected.classList.remove("selected");
var li = this._breadcrumbs[index];
if (this === gBreadcrumbTrail && index != 0) {
// Support for back button, disabled until the forward button is implemented.
//var state = {action: "popbreadcrumb",};
//window.history.pushState(state, "Cleopatra");
}
if (!li)
console.log("li at index " + index + " is null!");
delete li.breadcrumbIsTransient;
li.classList.add("selected");
this._deleteBeyond(index);
this._selectedBreadcrumbIndex = index;
li.breadcrumbEnterCallback();
// Add history state
},
_deleteBeyond: function BreadcrumbTrail__deleteBeyond(index) {
while (this._breadcrumbs.length > index + 1) {
this._hide(this._breadcrumbs[index + 1]);
this._breadcrumbs.splice(index + 1, 1);
}
},
_hide: function BreadcrumbTrail__hide(breadcrumb) {
delete breadcrumb.breadcrumbIsTransient;
breadcrumb.classList.add("deleted");
setTimeout(function () {
breadcrumb.parentNode.removeChild(breadcrumb);
}, 1000);
},
};
function maxResponsiveness() {
var data = gCurrentlyShownSampleData;
var maxRes = 0.0;
for (var i = 0; i < data.length; ++i) {
if (!data[i] || !data[i].extraInfo || !data[i].extraInfo["responsiveness"])
continue;
if (maxRes < data[i].extraInfo["responsiveness"])
maxRes = data[i].extraInfo["responsiveness"];
}
return maxRes;
}
function effectiveInterval() {
var data = gCurrentlyShownSampleData;
var interval = 0.0;
var sampleCount = 0;
var timeCount = 0;
var lastTime = null;
for (var i = 0; i < data.length; ++i) {
if (!data[i] || !data[i].extraInfo || !data[i].extraInfo["time"]) {
lastTime = null;
continue;
}
if (lastTime) {
sampleCount++;
timeCount += data[i].extraInfo["time"] - lastTime;
}
lastTime = data[i].extraInfo["time"];
}
var effectiveInterval = timeCount/sampleCount;
// Biggest diff
var biggestDiff = 0;
lastTime = null;
for (var i = 0; i < data.length; ++i) {
if (!data[i] || !data[i].extraInfo || !data[i].extraInfo["time"]) {
lastTime = null;
continue;
}
if (lastTime) {
if (biggestDiff < Math.abs(effectiveInterval - (data[i].extraInfo["time"] - lastTime)))
biggestDiff = Math.abs(effectiveInterval - (data[i].extraInfo["time"] - lastTime));
}
lastTime = data[i].extraInfo["time"];
}
if (effectiveInterval != effectiveInterval)
return "Time info not collected";
return (effectiveInterval).toFixed(2) + " ms +-" + biggestDiff.toFixed(2);
}
function numberOfCurrentlyShownSamples() {
var data = gCurrentlyShownSampleData;
var num = 0;
for (var i = 0; i < data.length; ++i) {
if (data[i])
num++;
}
return num;
}
function avgResponsiveness() {
var data = gCurrentlyShownSampleData;
var totalRes = 0.0;
for (var i = 0; i < data.length; ++i) {
if (!data[i] || !data[i].extraInfo || !data[i].extraInfo["responsiveness"])
continue;
totalRes += data[i].extraInfo["responsiveness"];
}
return totalRes / numberOfCurrentlyShownSamples();
}
function copyProfile() {
window.prompt ("Copy to clipboard: Ctrl+C, Enter", document.getElementById("data").value);
}
function saveProfileToLocalStorage() {
Parser.getSerializedProfile(true, function (serializedProfile) {
gLocalStorage.storeLocalProfile(serializedProfile, function profileSaved() {
});
});
}
function downloadProfile() {
Parser.getSerializedProfile(true, function (serializedProfile) {
var bb = new MozBlobBuilder();
bb.append(serializedProfile);
var blob = bb.getBlob("application/octet-stream");
location.href = window.URL.createObjectURL(blob);
});
}
function uploadProfile(selected) {
Parser.getSerializedProfile(!selected, function (dataToUpload) {
var oXHR = new XMLHttpRequest();
oXHR.open("POST", "http://profile-store.appspot.com/store", true);
oXHR.onload = function (oEvent) {
if (oXHR.status == 200) {
document.getElementById("upload_status").innerHTML = "Success! Use this <a href='" + document.URL.split('?')[0] + "?report=" + oXHR.responseText + "'>link</a>";
} else {
document.getElementById("upload_status").innerHTML = "Error " + oXHR.status + " occurred uploading your file.";
}
};
oXHR.onerror = function (oEvent) {
document.getElementById("upload_status").innerHTML = "Error " + oXHR.status + " occurred uploading your file.";
}
oXHR.onprogress = function (oEvent) {
if (oEvent.lengthComputable) {
document.getElementById("upload_status").innerHTML = "Uploading: " + ((oEvent.loaded / oEvent.total)*100) + "%";
}
}
var dataSize;
if (dataToUpload.length > 1024*1024) {
dataSize = (dataToUpload.length/1024/1024) + " MB(s)";
} else {
dataSize = (dataToUpload.length/1024) + " KB(s)";
}
var formData = new FormData();
formData.append("file", dataToUpload);
document.getElementById("upload_status").innerHTML = "Uploading Profile (" + dataSize + ")";
oXHR.send(formData);
});
}
function populate_skip_symbol() {
var skipSymbolCtrl = document.getElementById('skipsymbol')
//skipSymbolCtrl.options = gSkipSymbols;
for (var i = 0; i < gSkipSymbols.length; i++) {
var elOptNew = document.createElement('option');
elOptNew.text = gSkipSymbols[i];
elOptNew.value = gSkipSymbols[i];
elSel.add(elOptNew);
}
}
function delete_skip_symbol() {
var skipSymbol = document.getElementById('skipsymbol').value
}
function add_skip_symbol() {
}
var gFilterChangeCallback = null;
var gFilterChangeDelay = 1200;
function filterOnChange() {
if (gFilterChangeCallback != null) {
clearTimeout(gFilterChangeCallback);
gFilterChangeCallback = null;
}
gFilterChangeCallback = setTimeout(filterUpdate, gFilterChangeDelay);
}
function filterUpdate() {
gFilterChangeCallback = null;
filtersChanged();
filterNameInput = document.getElementById("filterName");
if (filterNameInput != null) {
filterNameInput.focus();
}
}
// Maps document id to a tooltip description
var tooltip = {
"mergeFunctions" : "Ignore line information and merge samples based on function names.",
"showJank" : "Show only samples with >50ms responsiveness.",
"showJS" : "Show only samples which involve running chrome or content Javascript code.",
"mergeUnbranched" : "Collapse unbranched call paths in the call tree into a single node.",
"filterName" : "Show only samples with a frame containing the filter as a substring.",
"invertCallstack" : "Invert the callstack (Heavy view) to find the most expensive leaf functions.",
"upload" : "Upload the full profile to public cloud storage to share with others.",
"upload_select" : "Upload only the selected view.",
"download" : "Initiate a download of the full profile.",
}
function addTooltips() {
for (var elemId in tooltip) {
var elem = document.getElementById(elemId);
if (!elem)
continue;