| /* |
| * Copyright (C) 2009 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. |
| */ |
| |
| WebInspector.TimelineOverviewPane = function(categories) |
| { |
| this._categories = categories; |
| |
| this.statusBarFilters = document.createElement("div"); |
| this.statusBarFilters.className = "status-bar-items"; |
| for (var categoryName in this._categories) { |
| var category = this._categories[categoryName]; |
| this.statusBarFilters.appendChild(this._createTimelineCategoryStatusBarCheckbox(category, this._onCheckboxClicked.bind(this, category))); |
| } |
| |
| this._overviewGrid = new WebInspector.TimelineGrid(); |
| this._overviewGrid.element.id = "timeline-overview-grid"; |
| this._overviewGrid.itemsGraphsElement.id = "timeline-overview-timelines"; |
| this._overviewGrid.element.addEventListener("mousedown", this._dragWindow.bind(this), true); |
| |
| this._heapGraph = new WebInspector.HeapGraph(); |
| this._heapGraph.element.id = "timeline-overview-memory"; |
| this._overviewGrid.element.insertBefore(this._heapGraph.element, this._overviewGrid.itemsGraphsElement); |
| |
| this.element = this._overviewGrid.element; |
| |
| this._categoryGraphs = {}; |
| var i = 0; |
| for (var category in this._categories) { |
| var categoryGraph = new WebInspector.TimelineCategoryGraph(this._categories[category], i++ % 2); |
| this._categoryGraphs[category] = categoryGraph; |
| this._overviewGrid.itemsGraphsElement.appendChild(categoryGraph.graphElement); |
| } |
| this._overviewGrid.setScrollAndDividerTop(0, 0); |
| |
| this._overviewWindowElement = document.createElement("div"); |
| this._overviewWindowElement.id = "timeline-overview-window"; |
| this._overviewGrid.element.appendChild(this._overviewWindowElement); |
| |
| this._overviewWindowBordersElement = document.createElement("div"); |
| this._overviewWindowBordersElement.className = "timeline-overview-window-rulers"; |
| this._overviewGrid.element.appendChild(this._overviewWindowBordersElement); |
| |
| var overviewDividersBackground = document.createElement("div"); |
| overviewDividersBackground.className = "timeline-overview-dividers-background"; |
| this._overviewGrid.element.appendChild(overviewDividersBackground); |
| |
| this._leftResizeElement = document.createElement("div"); |
| this._leftResizeElement.className = "timeline-window-resizer"; |
| this._leftResizeElement.style.left = 0; |
| this._overviewGrid.element.appendChild(this._leftResizeElement); |
| |
| this._rightResizeElement = document.createElement("div"); |
| this._rightResizeElement.className = "timeline-window-resizer timeline-window-resizer-right"; |
| this._rightResizeElement.style.right = 0; |
| this._overviewGrid.element.appendChild(this._rightResizeElement); |
| |
| this._overviewCalculator = new WebInspector.TimelineOverviewCalculator(); |
| |
| this.windowLeft = 0.0; |
| this.windowRight = 1.0; |
| } |
| |
| WebInspector.TimelineOverviewPane.minSelectableSize = 12; |
| |
| WebInspector.TimelineOverviewPane.prototype = { |
| showTimelines: function(event) { |
| this._heapGraph.hide(); |
| this._overviewGrid.itemsGraphsElement.removeStyleClass("hidden"); |
| }, |
| |
| showMemoryGraph: function(records) { |
| this._heapGraph.show(); |
| this._heapGraph.update(records); |
| this._overviewGrid.itemsGraphsElement.addStyleClass("hidden"); |
| }, |
| |
| _onCheckboxClicked: function (category, event) { |
| if (event.target.checked) |
| category.hidden = false; |
| else |
| category.hidden = true; |
| this._categoryGraphs[category.name].dimmed = !event.target.checked; |
| this.dispatchEventToListeners("filter changed"); |
| }, |
| |
| _forAllRecords: function(recordsArray, callback) |
| { |
| if (!recordsArray) |
| return; |
| for (var i = 0; i < recordsArray.length; ++i) { |
| callback(recordsArray[i]); |
| this._forAllRecords(recordsArray[i].children, callback); |
| } |
| }, |
| |
| update: function(records, showShortEvents) |
| { |
| this._showShortEvents = showShortEvents; |
| // Clear summary bars. |
| var timelines = {}; |
| for (var category in this._categories) { |
| timelines[category] = []; |
| this._categoryGraphs[category].clearChunks(); |
| } |
| |
| // Create sparse arrays with 101 cells each to fill with chunks for a given category. |
| this._overviewCalculator.reset(); |
| this._forAllRecords(records, this._overviewCalculator.updateBoundaries.bind(this._overviewCalculator)); |
| |
| function markTimeline(record) |
| { |
| if (!(this._showShortEvents || record.isLong())) |
| return; |
| var percentages = this._overviewCalculator.computeBarGraphPercentages(record); |
| |
| var end = Math.round(percentages.end); |
| var categoryName = record.category.name; |
| for (var j = Math.round(percentages.start); j <= end; ++j) |
| timelines[categoryName][j] = true; |
| } |
| this._forAllRecords(records, markTimeline.bind(this)); |
| |
| // Convert sparse arrays to continuous segments, render graphs for each. |
| for (var category in this._categories) { |
| var timeline = timelines[category]; |
| window.timelineSaved = timeline; |
| var chunkStart = -1; |
| for (var j = 0; j < 101; ++j) { |
| if (timeline[j]) { |
| if (chunkStart === -1) |
| chunkStart = j; |
| } else { |
| if (chunkStart !== -1) { |
| this._categoryGraphs[category].addChunk(chunkStart, j); |
| chunkStart = -1; |
| } |
| } |
| } |
| if (chunkStart !== -1) { |
| this._categoryGraphs[category].addChunk(chunkStart, 100); |
| chunkStart = -1; |
| } |
| } |
| |
| this._heapGraph.setSize(this._overviewGrid.element.offsetWidth, 60); |
| if (this._heapGraph.visible) |
| this._heapGraph.update(records); |
| |
| this._overviewGrid.updateDividers(true, this._overviewCalculator); |
| }, |
| |
| updateEventDividers: function(records, dividerConstructor) |
| { |
| this._overviewGrid.removeEventDividers(); |
| var dividers = []; |
| for (var i = 0; i < records.length; ++i) { |
| var record = records[i]; |
| var positions = this._overviewCalculator.computeBarGraphPercentages(record); |
| var dividerPosition = Math.round(positions.start * 10); |
| if (dividers[dividerPosition]) |
| continue; |
| var divider = dividerConstructor(record); |
| divider.style.left = positions.start + "%"; |
| dividers[dividerPosition] = divider; |
| } |
| this._overviewGrid.addEventDividers(dividers); |
| }, |
| |
| updateMainViewWidth: function(width, records) |
| { |
| this._overviewGrid.element.style.left = width + "px"; |
| this.statusBarFilters.style.left = Math.max(155, width) + "px"; |
| }, |
| |
| reset: function() |
| { |
| this.windowLeft = 0.0; |
| this.windowRight = 1.0; |
| this._overviewWindowElement.style.left = "0%"; |
| this._overviewWindowElement.style.width = "100%"; |
| this._overviewWindowBordersElement.style.left = "0%"; |
| this._overviewWindowBordersElement.style.right = "0%"; |
| this._leftResizeElement.style.left = "0%"; |
| this._rightResizeElement.style.left = "100%"; |
| this._overviewCalculator.reset(); |
| this._overviewGrid.updateDividers(true, this._overviewCalculator); |
| }, |
| |
| _resizeWindow: function(resizeElement, event) |
| { |
| WebInspector.elementDragStart(resizeElement, this._windowResizeDragging.bind(this, resizeElement), this._endWindowDragging.bind(this), event, "col-resize"); |
| }, |
| |
| _windowResizeDragging: function(resizeElement, event) |
| { |
| if (resizeElement === this._leftResizeElement) |
| this._resizeWindowLeft(event.pageX - this._overviewGrid.element.offsetLeft); |
| else |
| this._resizeWindowRight(event.pageX - this._overviewGrid.element.offsetLeft); |
| event.preventDefault(); |
| }, |
| |
| _dragWindow: function(event) |
| { |
| var node = event.target; |
| while (node) { |
| if (node === this._overviewGrid._dividersLabelBarElement) { |
| WebInspector.elementDragStart(this._overviewWindowElement, this._windowDragging.bind(this, event.pageX, |
| this._leftResizeElement.offsetLeft, this._rightResizeElement.offsetLeft), this._endWindowDragging.bind(this), event, "ew-resize"); |
| break; |
| } else if (node === this._overviewGrid.element) { |
| var position = event.pageX - this._overviewGrid.element.offsetLeft; |
| this._overviewWindowSelector = new WebInspector.TimelinePanel.WindowSelector(this._overviewGrid.element, position, event); |
| WebInspector.elementDragStart(null, this._windowSelectorDragging.bind(this), this._endWindowSelectorDragging.bind(this), event, "col-resize"); |
| break; |
| } else if (node === this._leftResizeElement || node === this._rightResizeElement) { |
| this._resizeWindow(node, event); |
| break; |
| } |
| node = node.parentNode; |
| } |
| }, |
| |
| _windowSelectorDragging: function(event) |
| { |
| this._overviewWindowSelector._updatePosition(event.pageX - this._overviewGrid.element.offsetLeft); |
| event.preventDefault(); |
| }, |
| |
| _endWindowSelectorDragging: function(event) |
| { |
| WebInspector.elementDragEnd(event); |
| var window = this._overviewWindowSelector._close(event.pageX - this._overviewGrid.element.offsetLeft); |
| delete this._overviewWindowSelector; |
| if (window.end - window.start < WebInspector.TimelineOverviewPane.minSelectableSize) |
| if (this._overviewGrid.itemsGraphsElement.offsetWidth - window.end > WebInspector.TimelineOverviewPane.minSelectableSize) |
| window.end = window.start + WebInspector.TimelineOverviewPane.minSelectableSize; |
| else |
| window.start = window.end - WebInspector.TimelineOverviewPane.minSelectableSize; |
| this._setWindowPosition(window.start, window.end); |
| }, |
| |
| _windowDragging: function(startX, windowLeft, windowRight, event) |
| { |
| var delta = event.pageX - startX; |
| var start = windowLeft + delta; |
| var end = windowRight + delta; |
| var windowSize = windowRight - windowLeft; |
| |
| if (start < 0) { |
| start = 0; |
| end = windowSize; |
| } |
| |
| if (end > this._overviewGrid.element.clientWidth) { |
| end = this._overviewGrid.element.clientWidth; |
| start = end - windowSize; |
| } |
| this._setWindowPosition(start, end); |
| |
| event.preventDefault(); |
| }, |
| |
| _resizeWindowLeft: function(start) |
| { |
| // Glue to edge. |
| if (start < 10) |
| start = 0; |
| else if (start > this._rightResizeElement.offsetLeft - 4) |
| start = this._rightResizeElement.offsetLeft - 4; |
| this._setWindowPosition(start, null); |
| }, |
| |
| _resizeWindowRight: function(end) |
| { |
| // Glue to edge. |
| if (end > this._overviewGrid.element.clientWidth - 10) |
| end = this._overviewGrid.element.clientWidth; |
| else if (end < this._leftResizeElement.offsetLeft + WebInspector.TimelineOverviewPane.minSelectableSize) |
| end = this._leftResizeElement.offsetLeft + WebInspector.TimelineOverviewPane.minSelectableSize; |
| this._setWindowPosition(null, end); |
| }, |
| |
| _setWindowPosition: function(start, end) |
| { |
| const rulerAdjustment = 1 / this._overviewGrid.element.clientWidth; |
| if (typeof start === "number") { |
| this.windowLeft = start / this._overviewGrid.element.clientWidth; |
| this._leftResizeElement.style.left = this.windowLeft * 100 + "%"; |
| this._overviewWindowElement.style.left = this.windowLeft * 100 + "%"; |
| this._overviewWindowBordersElement.style.left = (this.windowLeft - rulerAdjustment) * 100 + "%"; |
| } |
| if (typeof end === "number") { |
| this.windowRight = end / this._overviewGrid.element.clientWidth; |
| this._rightResizeElement.style.left = this.windowRight * 100 + "%"; |
| } |
| this._overviewWindowElement.style.width = (this.windowRight - this.windowLeft) * 100 + "%"; |
| this._overviewWindowBordersElement.style.right = (1 - this.windowRight + 2 * rulerAdjustment) * 100 + "%"; |
| this.dispatchEventToListeners("window changed"); |
| }, |
| |
| _endWindowDragging: function(event) |
| { |
| WebInspector.elementDragEnd(event); |
| }, |
| |
| _createTimelineCategoryStatusBarCheckbox: function(category, onCheckboxClicked) |
| { |
| var labelContainer = document.createElement("div"); |
| labelContainer.addStyleClass("timeline-category-statusbar-item"); |
| labelContainer.addStyleClass("timeline-category-" + category.name); |
| labelContainer.addStyleClass("status-bar-item"); |
| |
| var label = document.createElement("label"); |
| var checkElement = document.createElement("input"); |
| checkElement.type = "checkbox"; |
| checkElement.className = "timeline-category-checkbox"; |
| checkElement.checked = true; |
| checkElement.addEventListener("click", onCheckboxClicked); |
| label.appendChild(checkElement); |
| |
| var typeElement = document.createElement("span"); |
| typeElement.className = "type"; |
| typeElement.textContent = category.title; |
| label.appendChild(typeElement); |
| |
| labelContainer.appendChild(label); |
| return labelContainer; |
| } |
| |
| } |
| |
| WebInspector.TimelineOverviewPane.prototype.__proto__ = WebInspector.Object.prototype; |
| |
| |
| WebInspector.TimelineOverviewCalculator = function() |
| { |
| } |
| |
| WebInspector.TimelineOverviewCalculator.prototype = { |
| computeBarGraphPercentages: function(record) |
| { |
| var start = (record.startTime - this.minimumBoundary) / this.boundarySpan * 100; |
| var end = (record.endTime - this.minimumBoundary) / this.boundarySpan * 100; |
| return {start: start, end: end}; |
| }, |
| |
| reset: function() |
| { |
| delete this.minimumBoundary; |
| delete this.maximumBoundary; |
| }, |
| |
| updateBoundaries: function(record) |
| { |
| if (typeof this.minimumBoundary === "undefined" || record.startTime < this.minimumBoundary) { |
| this.minimumBoundary = record.startTime; |
| return true; |
| } |
| if (typeof this.maximumBoundary === "undefined" || record.endTime > this.maximumBoundary) { |
| this.maximumBoundary = record.endTime; |
| return true; |
| } |
| return false; |
| }, |
| |
| get boundarySpan() |
| { |
| return this.maximumBoundary - this.minimumBoundary; |
| }, |
| |
| formatValue: function(value) |
| { |
| return Number.secondsToString(value); |
| } |
| } |
| |
| |
| WebInspector.TimelineCategoryGraph = function(category, isEven) |
| { |
| this._category = category; |
| |
| this._graphElement = document.createElement("div"); |
| this._graphElement.className = "timeline-graph-side timeline-overview-graph-side" + (isEven ? " even" : ""); |
| |
| this._barAreaElement = document.createElement("div"); |
| this._barAreaElement.className = "timeline-graph-bar-area timeline-category-" + category.name; |
| this._graphElement.appendChild(this._barAreaElement); |
| } |
| |
| WebInspector.TimelineCategoryGraph.prototype = { |
| get graphElement() |
| { |
| return this._graphElement; |
| }, |
| |
| addChunk: function(start, end) |
| { |
| var chunk = document.createElement("div"); |
| chunk.className = "timeline-graph-bar"; |
| this._barAreaElement.appendChild(chunk); |
| chunk.style.setProperty("left", start + "%"); |
| chunk.style.setProperty("width", (end - start) + "%"); |
| }, |
| |
| clearChunks: function() |
| { |
| this._barAreaElement.removeChildren(); |
| }, |
| |
| set dimmed(dimmed) |
| { |
| if (dimmed) |
| this._barAreaElement.removeStyleClass("timeline-category-" + this._category.name); |
| else |
| this._barAreaElement.addStyleClass("timeline-category-" + this._category.name); |
| } |
| } |
| |
| WebInspector.TimelinePanel.WindowSelector = function(parent, position, event) |
| { |
| this._startPosition = position; |
| this._width = parent.offsetWidth; |
| this._windowSelector = document.createElement("div"); |
| this._windowSelector.className = "timeline-window-selector"; |
| this._windowSelector.style.left = this._startPosition + "px"; |
| this._windowSelector.style.right = this._width - this._startPosition + + "px"; |
| parent.appendChild(this._windowSelector); |
| } |
| |
| WebInspector.TimelinePanel.WindowSelector.prototype = { |
| _createSelectorElement: function(parent, left, width, height) |
| { |
| var selectorElement = document.createElement("div"); |
| selectorElement.className = "timeline-window-selector"; |
| selectorElement.style.left = left + "px"; |
| selectorElement.style.width = width + "px"; |
| selectorElement.style.top = "0px"; |
| selectorElement.style.height = height + "px"; |
| parent.appendChild(selectorElement); |
| return selectorElement; |
| }, |
| |
| _close: function(position) |
| { |
| position = Math.max(0, Math.min(position, this._width)); |
| this._windowSelector.parentNode.removeChild(this._windowSelector); |
| return this._startPosition < position ? {start: this._startPosition, end: position} : {start: position, end: this._startPosition}; |
| }, |
| |
| _updatePosition: function(position) |
| { |
| position = Math.max(0, Math.min(position, this._width)); |
| if (position < this._startPosition) { |
| this._windowSelector.style.left = position + "px"; |
| this._windowSelector.style.right = this._width - this._startPosition + "px"; |
| } else { |
| this._windowSelector.style.left = this._startPosition + "px"; |
| this._windowSelector.style.right = this._width - position + "px"; |
| } |
| } |
| } |
| |
| WebInspector.HeapGraph = function() { |
| this._canvas = document.createElement("canvas"); |
| |
| this._maxHeapSizeLabel = document.createElement("div"); |
| this._maxHeapSizeLabel.addStyleClass("memory-graph-label"); |
| |
| this._element = document.createElement("div"); |
| this._element.addStyleClass("hidden"); |
| this._element.appendChild(this._canvas); |
| this._element.appendChild(this._maxHeapSizeLabel); |
| } |
| |
| WebInspector.HeapGraph.prototype = { |
| get element() { |
| // return this._canvas; |
| return this._element; |
| }, |
| |
| get visible() { |
| return !this.element.hasStyleClass("hidden"); |
| }, |
| |
| show: function() { |
| this.element.removeStyleClass("hidden"); |
| }, |
| |
| hide: function() { |
| this.element.addStyleClass("hidden"); |
| }, |
| |
| setSize: function(w, h) { |
| this._canvas.width = w; |
| this._canvas.height = h - 5; |
| }, |
| |
| update: function(records) |
| { |
| if (!records.length) |
| return; |
| |
| var maxTotalHeapSize = 0; |
| var minTime; |
| var maxTime; |
| this._forAllRecords(records, function(r) { |
| if (r.totalHeapSize && r.totalHeapSize > maxTotalHeapSize) |
| maxTotalHeapSize = r.totalHeapSize; |
| |
| if (typeof minTime === "undefined" || r.startTime < minTime) |
| minTime = r.startTime; |
| if (typeof maxTime === "undefined" || r.endTime > maxTime) |
| maxTime = r.endTime; |
| }); |
| |
| var width = this._canvas.width; |
| var height = this._canvas.height; |
| var xFactor = width / (maxTime - minTime); |
| var yFactor = height / maxTotalHeapSize; |
| |
| var histogram = new Array(width); |
| this._forAllRecords(records, function(r) { |
| if (!r.usedHeapSize) |
| return; |
| var x = Math.round((r.endTime - minTime) * xFactor); |
| var y = Math.round(r.usedHeapSize * yFactor); |
| histogram[x] = Math.max(histogram[x] || 0, y); |
| }); |
| |
| var ctx = this._canvas.getContext("2d"); |
| this._clear(ctx); |
| |
| // +1 so that the border always fit into the canvas area. |
| height = height + 1; |
| |
| ctx.beginPath(); |
| var initialY = 0; |
| for (var k = 0; k < histogram.length; k++) { |
| if (histogram[k]) { |
| initialY = histogram[k]; |
| break; |
| } |
| } |
| ctx.moveTo(0, height - initialY); |
| |
| for (var x = 0; x < histogram.length; x++) { |
| if (!histogram[x]) |
| continue; |
| ctx.lineTo(x, height - histogram[x]); |
| } |
| |
| ctx.lineWidth = 0.5; |
| ctx.strokeStyle = "rgba(20,0,0,0.8)"; |
| ctx.stroke(); |
| |
| ctx.fillStyle = "rgba(214,225,254, 0.8);"; |
| ctx.lineTo(width, 60); |
| ctx.lineTo(0, 60); |
| ctx.lineTo(0, height - initialY); |
| ctx.fill(); |
| ctx.closePath(); |
| |
| this._maxHeapSizeLabel.textContent = Number.bytesToString(maxTotalHeapSize); |
| }, |
| |
| _clear: function(ctx) { |
| ctx.fillStyle = "rgba(255,255,255,0.8)"; |
| ctx.fillRect(0, 0, this._canvas.width, this._canvas.height); |
| }, |
| |
| _forAllRecords: WebInspector.TimelineOverviewPane.prototype._forAllRecords |
| } |