blob: 419b42c9fc8ca32be32e7565ca677199bd6e7499 [file] [log] [blame]
// Copyright (c) 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/**
* @constructor
* @extends {WebInspector.VBox}
* @implements {WebInspector.TargetManager.Observer}
*/
WebInspector.AnimationTimeline = function()
{
WebInspector.VBox.call(this, true);
this.registerRequiredCSS("animation/animationTimeline.css");
this.element.classList.add("animations-timeline");
this._grid = this.contentElement.createSVGChild("svg", "animation-timeline-grid");
this.contentElement.appendChild(this._createScrubber());
WebInspector.installDragHandle(this._timelineScrubberHead, this._scrubberDragStart.bind(this), this._scrubberDragMove.bind(this), this._scrubberDragEnd.bind(this), "move");
this._timelineScrubberHead.textContent = WebInspector.UIString(Number.millisToString(0));
this._underlyingPlaybackRate = 1;
this.contentElement.appendChild(this._createHeader());
this._animationsContainer = this.contentElement.createChild("div", "animation-timeline-rows");
this._emptyTimelineMessage = this._animationsContainer.createChild("div", "animation-timeline-empty-message");
var message = this._emptyTimelineMessage.createChild("div");
message.textContent = WebInspector.UIString("Trigger animations on the page to view and tweak them on the animation timeline.");
this._duration = this._defaultDuration();
this._scrubberRadius = 30;
this._timelineControlsWidth = 230;
/** @type {!Map.<!DOMAgent.BackendNodeId, !WebInspector.AnimationTimeline.NodeUI>} */
this._nodesMap = new Map();
this._groupBuffer = [];
this._groupBufferSize = 8;
/** @type {!Map.<!WebInspector.AnimationModel.AnimationGroup, !WebInspector.AnimationGroupPreviewUI>} */
this._previewMap = new Map();
this._symbol = Symbol("animationTimeline");
/** @type {!Map.<string, !WebInspector.AnimationModel.Animation>} */
this._animationsMap = new Map();
WebInspector.targetManager.addModelListener(WebInspector.ResourceTreeModel, WebInspector.ResourceTreeModel.EventTypes.MainFrameNavigated, this._mainFrameNavigated, this);
WebInspector.targetManager.addModelListener(WebInspector.DOMModel, WebInspector.DOMModel.Events.NodeRemoved, this._nodeRemoved, this);
WebInspector.targetManager.observeTargets(this, WebInspector.Target.Type.Page);
}
WebInspector.AnimationTimeline.GlobalPlaybackRates = [0.1, 0.25, 0.5, 1.0];
WebInspector.AnimationTimeline.prototype = {
wasShown: function()
{
for (var target of WebInspector.targetManager.targets(WebInspector.Target.Type.Page))
this._addEventListeners(target);
},
willHide: function()
{
for (var target of WebInspector.targetManager.targets(WebInspector.Target.Type.Page))
this._removeEventListeners(target);
},
/**
* @override
* @param {!WebInspector.Target} target
*/
targetAdded: function(target)
{
if (this.isShowing())
this._addEventListeners(target);
},
/**
* @override
* @param {!WebInspector.Target} target
*/
targetRemoved: function(target)
{
this._removeEventListeners(target);
},
/**
* @param {!WebInspector.Target} target
*/
_addEventListeners: function(target)
{
var animationModel = WebInspector.AnimationModel.fromTarget(target);
animationModel.ensureEnabled();
animationModel.addEventListener(WebInspector.AnimationModel.Events.AnimationGroupStarted, this._animationGroupStarted, this);
animationModel.addEventListener(WebInspector.AnimationModel.Events.AnimationCanceled, this._animationCanceled, this);
},
/**
* @param {!WebInspector.Target} target
*/
_removeEventListeners: function(target)
{
var animationModel = WebInspector.AnimationModel.fromTarget(target);
animationModel.removeEventListener(WebInspector.AnimationModel.Events.AnimationGroupStarted, this._animationGroupStarted, this);
animationModel.removeEventListener(WebInspector.AnimationModel.Events.AnimationCanceled, this._animationCanceled, this);
},
/**
* @param {?WebInspector.DOMNode} node
*/
setNode: function(node)
{
for (var nodeUI of this._nodesMap.values())
nodeUI.setNode(node);
},
/**
* @return {!Element} element
*/
_createScrubber: function() {
this._timelineScrubber = createElementWithClass("div", "animation-scrubber hidden");
this._timelineScrubber.createChild("div", "animation-time-overlay");
this._timelineScrubber.createChild("div", "animation-scrubber-arrow");
this._timelineScrubberHead = this._timelineScrubber.createChild("div", "animation-scrubber-head");
var timerContainer = this._timelineScrubber.createChild("div", "animation-timeline-timer");
this._timerSpinner = timerContainer.createChild("div", "timer-spinner timer-hemisphere");
this._timerFiller = timerContainer.createChild("div", "timer-filler timer-hemisphere");
this._timerMask = timerContainer.createChild("div", "timer-mask");
return this._timelineScrubber;
},
/**
* @return {!Element}
*/
_createHeader: function()
{
/**
* @param {!Event} event
* @this {WebInspector.AnimationTimeline}
*/
function playbackSliderInputHandler(event)
{
this._underlyingPlaybackRate = WebInspector.AnimationTimeline.GlobalPlaybackRates[event.target.value];
this._updatePlaybackControls();
}
var container = createElementWithClass("div", "animation-timeline-header");
var controls = container.createChild("div", "animation-controls");
this._previewContainer = container.createChild("div", "animation-timeline-buffer");
var toolbar = new WebInspector.Toolbar(controls);
toolbar.element.classList.add("animation-controls-toolbar");
this._controlButton = new WebInspector.ToolbarButton(WebInspector.UIString("Replay timeline"), "replay-outline-toolbar-item");
this._controlButton.addEventListener("click", this._controlButtonToggle.bind(this));
toolbar.appendToolbarItem(this._controlButton);
this._playbackLabel = controls.createChild("span", "animation-playback-label");
this._playbackLabel.createTextChild("1x");
this._playbackLabel.addEventListener("keydown", this._playbackLabelInput.bind(this));
this._playbackLabel.addEventListener("focusout", this._playbackLabelInput.bind(this));
this._playbackSlider = controls.createChild("input", "animation-playback-slider");
this._playbackSlider.type = "range";
this._playbackSlider.min = 0;
this._playbackSlider.max = WebInspector.AnimationTimeline.GlobalPlaybackRates.length - 1;
this._playbackSlider.value = this._playbackSlider.max;
this._playbackSlider.addEventListener("input", playbackSliderInputHandler.bind(this));
this._updateAnimationsPlaybackRate();
return container;
},
/**
* @param {!Event} event
*/
_playbackLabelInput: function(event)
{
var element = /** @type {!Element} */(event.currentTarget);
if (event.type !== "focusout" && !WebInspector.handleElementValueModifications(event, element) && !isEnterKey(event))
return;
var value = parseFloat(this._playbackLabel.textContent);
if (!isNaN(value))
this._underlyingPlaybackRate = Math.max(0, value);
this._updatePlaybackControls();
event.consume(true);
},
_updatePlaybackControls: function()
{
this._playbackLabel.textContent = this._underlyingPlaybackRate + "x";
var playbackSliderValue = 0;
for (var rate of WebInspector.AnimationTimeline.GlobalPlaybackRates) {
if (this._underlyingPlaybackRate > rate)
playbackSliderValue++;
}
this._playbackSlider.value = playbackSliderValue;
for (var target of WebInspector.targetManager.targets(WebInspector.Target.Type.Page))
WebInspector.AnimationModel.fromTarget(target).setPlaybackRate(this._playbackRate());
WebInspector.userMetrics.AnimationsPlaybackRateChanged.record();
if (this._scrubberPlayer)
this._scrubberPlayer.playbackRate = this._playbackRate();
},
_controlButtonToggle: function()
{
if (this._emptyTimelineMessage)
return;
if (this._controlButton.element.classList.contains("play-outline-toolbar-item"))
this._togglePause(false);
else if (this._controlButton.element.classList.contains("replay-outline-toolbar-item"))
this._replay();
else
this._togglePause(true);
this._updateControlButton();
},
_updateControlButton: function()
{
this._controlButton.element.classList.remove("play-outline-toolbar-item");
this._controlButton.element.classList.remove("replay-outline-toolbar-item");
this._controlButton.element.classList.remove("pause-outline-toolbar-item");
if (this._paused) {
this._controlButton.element.classList.add("play-outline-toolbar-item");
this._controlButton.setTitle(WebInspector.UIString("Play timeline"));
} else if (!this._scrubberPlayer || this._scrubberPlayer.currentTime >= this.duration() - this._scrubberRadius / this.pixelMsRatio()) {
this._controlButton.element.classList.add("replay-outline-toolbar-item");
this._controlButton.setTitle(WebInspector.UIString("Replay timeline"));
} else {
this._controlButton.element.classList.add("pause-outline-toolbar-item");
this._controlButton.setTitle(WebInspector.UIString("Pause timeline"));
}
},
_updateAnimationsPlaybackRate: function()
{
/**
* @param {?Protocol.Error} error
* @param {number} playbackRate
* @this {WebInspector.AnimationTimeline}
*/
function setPlaybackRate(error, playbackRate)
{
if (playbackRate === 0) {
playbackRate = 1;
if (target)
WebInspector.AnimationModel.fromTarget(target).setPlaybackRate(1);
}
this._underlyingPlaybackRate = playbackRate;
this._updatePlaybackControls();
}
delete this._paused;
for (var target of WebInspector.targetManager.targets(WebInspector.Target.Type.Page))
target.animationAgent().getPlaybackRate(setPlaybackRate.bind(this));
},
/**
* @return {number}
*/
_playbackRate: function()
{
return this._paused ? 0 : this._underlyingPlaybackRate;
},
/**
* @param {boolean} pause
*/
_togglePause: function(pause)
{
this._paused = pause;
for (var target of WebInspector.targetManager.targets(WebInspector.Target.Type.Page))
WebInspector.AnimationModel.fromTarget(target).setPlaybackRate(this._playbackRate());
WebInspector.userMetrics.AnimationsPlaybackRateChanged.record();
if (this._scrubberPlayer)
this._scrubberPlayer.playbackRate = this._playbackRate();
},
_replay: function()
{
if (this.startTime() === undefined)
return;
for (var target of WebInspector.targetManager.targets(WebInspector.Target.Type.Page))
target.animationAgent().setCurrentTime(/** @type {number} */(this.startTime()));
this._animateTime(0);
},
/**
* @return {number}
*/
_defaultDuration: function ()
{
return 100;
},
/**
* @return {number}
*/
duration: function()
{
return this._duration;
},
/**
* @param {number} duration
*/
setDuration: function(duration)
{
this._duration = duration;
this.scheduleRedraw();
},
/**
* @return {number|undefined}
*/
startTime: function()
{
return this._startTime;
},
_reset: function()
{
if (!this._nodesMap.size)
return;
this._nodesMap.clear();
this._animationsMap.clear();
this._animationsContainer.removeChildren();
this._duration = this._defaultDuration();
delete this._startTime;
},
/**
* @param {!WebInspector.Event} event
*/
_mainFrameNavigated: function(event)
{
this._reset();
this._updateAnimationsPlaybackRate();
if (this._scrubberPlayer)
this._scrubberPlayer.cancel();
delete this._scrubberPlayer;
this._timelineScrubberHead.textContent = WebInspector.UIString(Number.millisToString(0));
this._updateControlButton();
this._groupBuffer = [];
this._previewMap.clear();
this._previewContainer.removeChildren();
},
/**
* @param {!WebInspector.Event} event
*/
_animationGroupStarted: function(event)
{
this._addAnimationGroup(/** @type {!WebInspector.AnimationModel.AnimationGroup} */(event.data));
},
/**
* @param {!WebInspector.AnimationModel.AnimationGroup} group
*/
_addAnimationGroup: function(group)
{
/**
* @param {!WebInspector.AnimationModel.AnimationGroup} left
* @param {!WebInspector.AnimationModel.AnimationGroup} right
*/
function startTimeComparator(left, right)
{
return left.startTime() > right.startTime();
}
this._groupBuffer.push(group);
this._groupBuffer.sort(startTimeComparator);
// Discard oldest groups from buffer if necessary
var groupsToDiscard = [];
while (this._groupBuffer.length > this._groupBufferSize) {
var toDiscard = this._groupBuffer.splice(this._groupBuffer[0] === this._selectedGroup ? 1 : 0, 1);
groupsToDiscard.push(toDiscard[0]);
}
for (var g of groupsToDiscard) {
this._previewMap.get(g).element.remove();
this._previewMap.delete(g);
// TODO(samli): needs to discard model too
}
// Generate preview
var preview = new WebInspector.AnimationGroupPreviewUI(group);
this._previewMap.set(group, preview);
this._previewContainer.appendChild(preview.element);
preview.element.addEventListener("click", this._selectAnimationGroup.bind(this, group));
},
/**
* @param {!WebInspector.AnimationModel.AnimationGroup} group
*/
_selectAnimationGroup: function(group)
{
/**
* @param {!WebInspector.AnimationGroupPreviewUI} ui
* @param {!WebInspector.AnimationModel.AnimationGroup} group
* @this {!WebInspector.AnimationTimeline}
*/
function applySelectionClass(ui, group)
{
ui.element.classList.toggle("selected", this._selectedGroup === group);
}
if (this._selectedGroup === group)
return;
this._selectedGroup = group;
this._previewMap.forEach(applySelectionClass, this);
this._reset();
for (var anim of group.animations())
this._addAnimation(anim);
this.scheduleRedraw();
},
/**
* @param {!WebInspector.AnimationModel.Animation} animation
*/
_addAnimation: function(animation)
{
/**
* @param {?WebInspector.DOMNode} node
* @this {WebInspector.AnimationTimeline}
*/
function nodeResolved(node)
{
if (!node)
return;
uiAnimation.setNode(node);
node[this._symbol] = nodeUI;
}
if (this._emptyTimelineMessage) {
this._emptyTimelineMessage.remove();
delete this._emptyTimelineMessage;
}
// Ignore Web Animations custom effects & groups
if (animation.type() === "WebAnimation" && animation.source().keyframesRule().keyframes().length === 0)
return;
this._resizeWindow(animation);
var nodeUI = this._nodesMap.get(animation.source().backendNodeId());
if (!nodeUI) {
nodeUI = new WebInspector.AnimationTimeline.NodeUI(animation.source());
this._animationsContainer.appendChild(nodeUI.element);
this._nodesMap.set(animation.source().backendNodeId(), nodeUI);
}
var nodeRow = nodeUI.findRow(animation);
var uiAnimation = new WebInspector.AnimationUI(animation, this, nodeRow.element);
animation.source().deferredNode().resolve(nodeResolved.bind(this));
nodeRow.animations.push(uiAnimation);
this._animationsMap.set(animation.id(), animation);
},
/**
* @param {!WebInspector.Event} event
*/
_animationCanceled: function(event)
{
this._cancelAnimation(/** @type {string} */ (event.data.id));
},
/**
* @param {string} playerId
*/
_cancelAnimation: function(playerId)
{
var animation = this._animationsMap.get(playerId);
if (!animation)
return;
animation.setPlayState("idle");
this.scheduleRedraw();
},
/**
* @param {!WebInspector.Event} event
*/
_nodeRemoved: function(event)
{
var node = event.data.node;
if (node[this._symbol])
node[this._symbol].nodeRemoved();
},
_renderGrid: function()
{
const gridSize = 250;
this._grid.setAttribute("width", this.width());
this._grid.setAttribute("height", this._animationsContainer.offsetHeight + 43);
this._grid.setAttribute("shape-rendering", "crispEdges");
this._grid.removeChildren();
var lastDraw = undefined;
for (var time = 0; time < this.duration(); time += gridSize) {
var line = this._grid.createSVGChild("rect", "animation-timeline-grid-line");
line.setAttribute("x", time * this.pixelMsRatio());
line.setAttribute("y", 0);
line.setAttribute("height", "100%");
line.setAttribute("width", 1);
}
for (var time = 0; time < this.duration(); time += gridSize) {
var gridWidth = time * this.pixelMsRatio();
if (!lastDraw || gridWidth - lastDraw > 50) {
lastDraw = gridWidth;
var label = this._grid.createSVGChild("text", "animation-timeline-grid-label");
label.setAttribute("x", gridWidth + 5);
label.setAttribute("y", 15);
label.textContent = WebInspector.UIString(Number.millisToString(time));
}
}
},
scheduleRedraw: function() {
if (this._redrawing)
return;
this._redrawing = true;
this._animationsContainer.window().requestAnimationFrame(this._redraw.bind(this));
},
/**
* @param {number=} timestamp
*/
_redraw: function(timestamp)
{
delete this._redrawing;
for (var nodeUI of this._nodesMap.values())
nodeUI.redraw();
this._renderGrid();
},
onResize: function()
{
this._cachedTimelineWidth = Math.max(0, this._animationsContainer.offsetWidth - this._timelineControlsWidth) || 0;
this.scheduleRedraw();
if (this._scrubberPlayer)
this._animateTime();
},
/**
* @return {number}
*/
width: function()
{
return this._cachedTimelineWidth || 0;
},
/**
* @param {!WebInspector.AnimationModel.Animation} animation
* @return {boolean}
*/
_resizeWindow: function(animation)
{
var resized = false;
if (!this._startTime)
this._startTime = animation.startTime();
// This shows at most 3 iterations
var duration = animation.source().duration() * Math.min(3, animation.source().iterations());
var requiredDuration = animation.startTime() + animation.source().delay() + duration + animation.source().endDelay() - this.startTime();
if (requiredDuration > this._duration * 0.8) {
resized = true;
this._duration = requiredDuration * 1.5;
this._timelineScrubber.classList.remove("hidden");
this._animateTime(animation.startTime() - this.startTime());
}
return resized;
},
/**
* @param {number=} time
*/
_animateTime: function(time)
{
var oldPlayer = this._scrubberPlayer;
this._scrubberPlayer = this._timelineScrubber.animate([
{ transform: "translateX(0px)" },
{ transform: "translateX(" + (this.width() - this._scrubberRadius) + "px)" }
], { duration: this.duration() - this._scrubberRadius / this.pixelMsRatio(), fill: "forwards" });
this._scrubberPlayer.playbackRate = this._playbackRate();
this._scrubberPlayer.onfinish = this._updateControlButton.bind(this);
this._updateControlButton();
if (time !== undefined)
this._scrubberPlayer.currentTime = time;
else if (oldPlayer.playState === "finished")
this._scrubberPlayer.finish();
else
this._scrubberPlayer.startTime = oldPlayer.startTime;
if (oldPlayer)
oldPlayer.cancel();
this._timelineScrubber.classList.remove("animation-timeline-end");
this._timelineScrubberHead.window().requestAnimationFrame(this._updateScrubber.bind(this));
},
/**
* @return {number}
*/
pixelMsRatio: function()
{
return this.width() / this.duration() || 0;
},
/**
* @param {number} timestamp
*/
_updateScrubber: function(timestamp)
{
if (!this._scrubberPlayer)
return;
this._timelineScrubberHead.textContent = WebInspector.UIString(Number.millisToString(this._scrubberPlayer.currentTime));
if (this._scrubberPlayer.playState === "pending" || this._scrubberPlayer.playState === "running") {
this._timelineScrubberHead.window().requestAnimationFrame(this._updateScrubber.bind(this));
} else if (this._scrubberPlayer.playState === "finished") {
this._timelineScrubberHead.textContent = WebInspector.UIString(". . .");
this._timelineScrubber.classList.add("animation-timeline-end");
}
},
/**
* @param {!Event} event
* @return {boolean}
*/
_scrubberDragStart: function(event)
{
if (!this._scrubberPlayer)
return false;
this._originalScrubberTime = this._scrubberPlayer.currentTime;
this._timelineScrubber.classList.remove("animation-timeline-end");
this._scrubberPlayer.pause();
this._originalMousePosition = new WebInspector.Geometry.Point(event.x, event.y);
this._togglePause(true);
this._updateControlButton();
return true;
},
/**
* @param {!Event} event
*/
_scrubberDragMove: function(event)
{
var delta = event.x - this._originalMousePosition.x;
this._scrubberPlayer.currentTime = Math.min(this._originalScrubberTime + delta / this.pixelMsRatio(), this.duration() - this._scrubberRadius / this.pixelMsRatio());
var currentTime = Math.max(0, Math.round(this._scrubberPlayer.currentTime));
this._timelineScrubberHead.textContent = WebInspector.UIString(Number.millisToString(currentTime));
for (var target of WebInspector.targetManager.targets(WebInspector.Target.Type.Page))
target.animationAgent().setCurrentTime(/** @type {number} */(this.startTime() + currentTime));
},
/**
* @param {!Event} event
*/
_scrubberDragEnd: function(event)
{
var currentTime = Math.max(0, this._scrubberPlayer.currentTime);
this._scrubberPlayer.play();
this._scrubberPlayer.currentTime = currentTime;
this._timelineScrubberHead.window().requestAnimationFrame(this._updateScrubber.bind(this));
},
__proto__: WebInspector.VBox.prototype
}
/**
* @constructor
* @param {!WebInspector.AnimationModel.AnimationEffect} animationEffect
*/
WebInspector.AnimationTimeline.NodeUI = function(animationEffect)
{
/**
* @param {?WebInspector.DOMNode} node
* @this {WebInspector.AnimationTimeline.NodeUI}
*/
function nodeResolved(node)
{
if (!node)
return;
this._node = node;
WebInspector.DOMPresentationUtils.decorateNodeLabel(node, this._description);
this.element.addEventListener("click", WebInspector.Revealer.reveal.bind(WebInspector.Revealer, node, undefined), false);
}
this._rows = [];
this.element = createElementWithClass("div", "animation-node-row");
this._description = this.element.createChild("div", "animation-node-description");
animationEffect.deferredNode().resolve(nodeResolved.bind(this));
this._timelineElement = this.element.createChild("div", "animation-node-timeline");
}
/** @typedef {{element: !Element, animations: !Array<!WebInspector.AnimationUI>}} */
WebInspector.AnimationTimeline.NodeRow;
WebInspector.AnimationTimeline.NodeUI.prototype = {
/**
* @param {!WebInspector.AnimationModel.Animation} animation
* @return {!WebInspector.AnimationTimeline.NodeRow}
*/
findRow: function(animation)
{
// Check if it can fit into an existing row
var existingRow = this._collapsibleIntoRow(animation);
if (existingRow)
return existingRow;
// Create new row
var container = this._timelineElement.createChild("div", "animation-timeline-row");
var nodeRow = {element: container, animations: []};
this._rows.push(nodeRow);
return nodeRow;
},
redraw: function()
{
for (var nodeRow of this._rows) {
for (var ui of nodeRow.animations)
ui.redraw();
}
},
/**
* @param {!WebInspector.AnimationModel.Animation} animation
* @return {?WebInspector.AnimationTimeline.NodeRow}
*/
_collapsibleIntoRow: function(animation)
{
if (animation.endTime() === Infinity)
return null;
for (var nodeRow of this._rows) {
var overlap = false;
for (var ui of nodeRow.animations)
overlap |= animation.overlaps(ui.animation());
if (!overlap)
return nodeRow;
}
return null;
},
nodeRemoved: function()
{
this.element.classList.add("animation-node-removed");
},
/**
* @param {?WebInspector.DOMNode} node
*/
setNode: function(node)
{
this.element.classList.toggle("animation-node-selected", node === this._node);
}
}
/**
* @constructor
* @param {number} steps
* @param {string} stepAtPosition
*/
WebInspector.AnimationTimeline.StepTimingFunction = function(steps, stepAtPosition)
{
this.steps = steps;
this.stepAtPosition = stepAtPosition;
}
/**
* @param {string} text
* @return {?WebInspector.AnimationTimeline.StepTimingFunction}
*/
WebInspector.AnimationTimeline.StepTimingFunction.parse = function(text) {
var match = text.match(/^step-(start|middle|end)$/);
if (match)
return new WebInspector.AnimationTimeline.StepTimingFunction(1, match[1]);
match = text.match(/^steps\((\d+), (start|middle|end)\)$/);
if (match)
return new WebInspector.AnimationTimeline.StepTimingFunction(parseInt(match[1], 10), match[2]);
return null;
}
/**
* @constructor
* @param {!WebInspector.AnimationModel.Animation} animation
* @param {!WebInspector.AnimationTimeline} timeline
* @param {!Element} parentElement
*/
WebInspector.AnimationUI = function(animation, timeline, parentElement) {
this._animation = animation;
this._timeline = timeline;
this._parentElement = parentElement;
if (this._animation.source().keyframesRule())
this._keyframes = this._animation.source().keyframesRule().keyframes();
this._nameElement = parentElement.createChild("div", "animation-name");
this._nameElement.textContent = this._animation.name();
this._svg = parentElement.createSVGChild("svg", "animation-ui");
this._svg.setAttribute("height", WebInspector.AnimationUI.Options.AnimationSVGHeight);
this._svg.style.marginLeft = "-" + WebInspector.AnimationUI.Options.AnimationMargin + "px";
this._svg.addEventListener("mousedown", this._mouseDown.bind(this, WebInspector.AnimationUI.MouseEvents.AnimationDrag, null));
this._activeIntervalGroup = this._svg.createSVGChild("g");
/** @type {!Array.<{group: ?Element, animationLine: ?Element, keyframePoints: !Object.<number, !Element>, keyframeRender: !Object.<number, !Element>}>} */
this._cachedElements = [];
this._movementInMs = 0;
this._color = WebInspector.AnimationUI.Color(this._animation);
}
/**
* @enum {string}
*/
WebInspector.AnimationUI.MouseEvents = {
AnimationDrag: "AnimationDrag",
KeyframeMove: "KeyframeMove",
StartEndpointMove: "StartEndpointMove",
FinishEndpointMove: "FinishEndpointMove"
}
WebInspector.AnimationUI.prototype = {
/**
* @return {!WebInspector.AnimationModel.Animation}
*/
animation: function()
{
return this._animation;
},
/**
* @param {?WebInspector.DOMNode} node
*/
setNode: function(node)
{
this._node = node;
},
/**
* @param {!Element} parentElement
* @param {string} className
*/
_createLine: function(parentElement, className)
{
var line = parentElement.createSVGChild("line", className);
line.setAttribute("x1", WebInspector.AnimationUI.Options.AnimationMargin);
line.setAttribute("y1", WebInspector.AnimationUI.Options.AnimationHeight);
line.setAttribute("y2", WebInspector.AnimationUI.Options.AnimationHeight);
line.style.stroke = this._color;
return line;
},
/**
* @param {number} iteration
* @param {!Element} parentElement
*/
_drawAnimationLine: function(iteration, parentElement)
{
var cache = this._cachedElements[iteration];
if (!cache.animationLine)
cache.animationLine = this._createLine(parentElement, "animation-line");
cache.animationLine.setAttribute("x2", (this._duration() * this._timeline.pixelMsRatio() + WebInspector.AnimationUI.Options.AnimationMargin).toFixed(2));
},
/**
* @param {!Element} parentElement
*/
_drawDelayLine: function(parentElement)
{
if (!this._delayLine) {
this._delayLine = this._createLine(parentElement, "animation-delay-line");
this._endDelayLine = this._createLine(parentElement, "animation-delay-line");
}
this._delayLine.setAttribute("x1", WebInspector.AnimationUI.Options.AnimationMargin);
this._delayLine.setAttribute("x2", (this._delay() * this._timeline.pixelMsRatio() + WebInspector.AnimationUI.Options.AnimationMargin).toFixed(2));
var leftMargin = (this._delay() + this._duration() * this._animation.source().iterations()) * this._timeline.pixelMsRatio();
this._endDelayLine.style.transform = "translateX(" + Math.min(leftMargin, this._timeline.width()).toFixed(2) + "px)";
this._endDelayLine.setAttribute("x1", WebInspector.AnimationUI.Options.AnimationMargin);
this._endDelayLine.setAttribute("x2", (this._animation.source().endDelay() * this._timeline.pixelMsRatio() + WebInspector.AnimationUI.Options.AnimationMargin).toFixed(2));
},
/**
* @param {number} iteration
* @param {!Element} parentElement
* @param {number} x
* @param {number} keyframeIndex
* @param {boolean} attachEvents
*/
_drawPoint: function(iteration, parentElement, x, keyframeIndex, attachEvents)
{
if (this._cachedElements[iteration].keyframePoints[keyframeIndex]) {
this._cachedElements[iteration].keyframePoints[keyframeIndex].setAttribute("cx", x.toFixed(2));
return;
}
var circle = parentElement.createSVGChild("circle", keyframeIndex <= 0 ? "animation-endpoint" : "animation-keyframe-point");
circle.setAttribute("cx", x.toFixed(2));
circle.setAttribute("cy", WebInspector.AnimationUI.Options.AnimationHeight);
circle.style.stroke = this._color;
circle.setAttribute("r", WebInspector.AnimationUI.Options.AnimationMargin / 2);
if (keyframeIndex <= 0)
circle.style.fill = this._color;
this._cachedElements[iteration].keyframePoints[keyframeIndex] = circle;
if (!attachEvents)
return;
if (keyframeIndex === 0) {
circle.addEventListener("mousedown", this._mouseDown.bind(this, WebInspector.AnimationUI.MouseEvents.StartEndpointMove, keyframeIndex));
} else if (keyframeIndex === -1) {
circle.addEventListener("mousedown", this._mouseDown.bind(this, WebInspector.AnimationUI.MouseEvents.FinishEndpointMove, keyframeIndex));
} else {
circle.addEventListener("mousedown", this._mouseDown.bind(this, WebInspector.AnimationUI.MouseEvents.KeyframeMove, keyframeIndex));
}
},
/**
* @param {number} iteration
* @param {number} keyframeIndex
* @param {!Element} parentElement
* @param {number} leftDistance
* @param {number} width
* @param {string} easing
*/
_renderKeyframe: function(iteration, keyframeIndex, parentElement, leftDistance, width, easing)
{
/**
* @param {!Element} parentElement
* @param {number} x
* @param {string} strokeColor
*/
function createStepLine(parentElement, x, strokeColor)
{
var line = parentElement.createSVGChild("line");
line.setAttribute("x1", x);
line.setAttribute("x2", x);
line.setAttribute("y1", WebInspector.AnimationUI.Options.AnimationMargin);
line.setAttribute("y2", WebInspector.AnimationUI.Options.AnimationHeight);
line.style.stroke = strokeColor;
}
var bezier = WebInspector.Geometry.CubicBezier.parse(easing);
var cache = this._cachedElements[iteration].keyframeRender;
if (!cache[keyframeIndex])
cache[keyframeIndex] = bezier ? parentElement.createSVGChild("path", "animation-keyframe") : parentElement.createSVGChild("g", "animation-keyframe-step");
var group = cache[keyframeIndex];
group.style.transform = "translateX(" + leftDistance.toFixed(2) + "px)";
if (bezier) {
group.style.fill = this._color;
WebInspector.BezierUI.drawVelocityChart(bezier, group, width);
} else {
var stepFunction = WebInspector.AnimationTimeline.StepTimingFunction.parse(easing);
group.removeChildren();
const offsetMap = {"start": 0, "middle": 0.5, "end": 1};
const offsetWeight = offsetMap[stepFunction.stepAtPosition];
for (var i = 0; i < stepFunction.steps; i++)
createStepLine(group, (i + offsetWeight) * width / stepFunction.steps, this._color);
}
},
redraw: function()
{
var durationWithDelay = this._delay() + this._duration() * this._animation.source().iterations() + this._animation.source().endDelay();
var leftMargin = ((this._animation.startTime() - this._timeline.startTime()) * this._timeline.pixelMsRatio());
var maxWidth = this._timeline.width() - WebInspector.AnimationUI.Options.AnimationMargin - leftMargin;
var svgWidth = Math.min(maxWidth, durationWithDelay * this._timeline.pixelMsRatio());
this._svg.classList.toggle("animation-ui-canceled", this._animation.playState() === "idle");
this._svg.setAttribute("width", (svgWidth + 2 * WebInspector.AnimationUI.Options.AnimationMargin).toFixed(2));
this._svg.style.transform = "translateX(" + leftMargin.toFixed(2) + "px)";
this._activeIntervalGroup.style.transform = "translateX(" + (this._delay() * this._timeline.pixelMsRatio()).toFixed(2) + "px)";
this._nameElement.style.transform = "translateX(" + (leftMargin + this._delay() * this._timeline.pixelMsRatio() + WebInspector.AnimationUI.Options.AnimationMargin).toFixed(2) + "px)";
this._nameElement.style.width = (this._duration() * this._timeline.pixelMsRatio().toFixed(2)) + "px";
this._drawDelayLine(this._svg);
if (this._animation.type() === "CSSTransition") {
this._renderTransition();
return;
}
this._renderIteration(this._activeIntervalGroup, 0);
if (!this._tailGroup)
this._tailGroup = this._activeIntervalGroup.createSVGChild("g", "animation-tail-iterations");
var iterationWidth = this._duration() * this._timeline.pixelMsRatio();
for (var iteration = 1; iteration < this._animation.source().iterations() && iterationWidth * (iteration - 1) < this._timeline.width(); iteration++)
this._renderIteration(this._tailGroup, iteration);
while (iteration < this._cachedElements.length)
this._cachedElements.pop().group.remove();
},
_renderTransition: function()
{
if (!this._cachedElements[0])
this._cachedElements[0] = { animationLine: null, keyframePoints: {}, keyframeRender: {}, group: null };
this._drawAnimationLine(0, this._activeIntervalGroup);
this._renderKeyframe(0, 0, this._activeIntervalGroup, WebInspector.AnimationUI.Options.AnimationMargin, this._duration() * this._timeline.pixelMsRatio(), this._animation.source().easing());
this._drawPoint(0, this._activeIntervalGroup, WebInspector.AnimationUI.Options.AnimationMargin, 0, true);
this._drawPoint(0, this._activeIntervalGroup, this._duration() * this._timeline.pixelMsRatio() + WebInspector.AnimationUI.Options.AnimationMargin, -1, true);
},
/**
* @param {!Element} parentElement
* @param {number} iteration
*/
_renderIteration: function(parentElement, iteration)
{
if (!this._cachedElements[iteration])
this._cachedElements[iteration] = { animationLine: null, keyframePoints: {}, keyframeRender: {}, group: parentElement.createSVGChild("g") };
var group = this._cachedElements[iteration].group;
group.style.transform = "translateX(" + (iteration * this._duration() * this._timeline.pixelMsRatio()).toFixed(2) + "px)";
this._drawAnimationLine(iteration, group);
console.assert(this._keyframes.length > 1);
for (var i = 0; i < this._keyframes.length - 1; i++) {
var leftDistance = this._offset(i) * this._duration() * this._timeline.pixelMsRatio() + WebInspector.AnimationUI.Options.AnimationMargin;
var width = this._duration() * (this._offset(i + 1) - this._offset(i)) * this._timeline.pixelMsRatio();
this._renderKeyframe(iteration, i, group, leftDistance, width, this._keyframes[i].easing());
if (i || (!i && iteration === 0))
this._drawPoint(iteration, group, leftDistance, i, iteration === 0);
}
this._drawPoint(iteration, group, this._duration() * this._timeline.pixelMsRatio() + WebInspector.AnimationUI.Options.AnimationMargin, -1, iteration === 0);
},
/**
* @return {number}
*/
_delay: function()
{
var delay = this._animation.source().delay();
if (this._mouseEventType === WebInspector.AnimationUI.MouseEvents.AnimationDrag || this._mouseEventType === WebInspector.AnimationUI.MouseEvents.StartEndpointMove)
delay += this._movementInMs;
// FIXME: add support for negative start delay
return Math.max(0, delay);
},
/**
* @return {number}
*/
_duration: function()
{
var duration = this._animation.source().duration();
if (this._mouseEventType === WebInspector.AnimationUI.MouseEvents.FinishEndpointMove)
duration += this._movementInMs;
else if (this._mouseEventType === WebInspector.AnimationUI.MouseEvents.StartEndpointMove)
duration -= Math.max(this._movementInMs, -this._animation.source().delay()); // Cannot have negative delay
return Math.max(0, duration);
},
/**
* @param {number} i
* @return {number} offset
*/
_offset: function(i)
{
var offset = this._keyframes[i].offsetAsNumber();
if (this._mouseEventType === WebInspector.AnimationUI.MouseEvents.KeyframeMove && i === this._keyframeMoved) {
console.assert(i > 0 && i < this._keyframes.length - 1, "First and last keyframe cannot be moved");
offset += this._movementInMs / this._animation.source().duration();
offset = Math.max(offset, this._keyframes[i - 1].offsetAsNumber());
offset = Math.min(offset, this._keyframes[i + 1].offsetAsNumber());
}
return offset;
},
/**
* @param {!WebInspector.AnimationUI.MouseEvents} mouseEventType
* @param {?number} keyframeIndex
* @param {!Event} event
*/
_mouseDown: function(mouseEventType, keyframeIndex, event)
{
if (this._animation.playState() === "idle")
return;
this._mouseEventType = mouseEventType;
this._keyframeMoved = keyframeIndex;
this._downMouseX = event.clientX;
this._mouseMoveHandler = this._mouseMove.bind(this);
this._mouseUpHandler = this._mouseUp.bind(this);
this._parentElement.ownerDocument.addEventListener("mousemove", this._mouseMoveHandler);
this._parentElement.ownerDocument.addEventListener("mouseup", this._mouseUpHandler);
event.preventDefault();
event.stopPropagation();
if (this._node)
WebInspector.Revealer.reveal(this._node);
},
/**
* @param {!Event} event
*/
_mouseMove: function (event)
{
this._movementInMs = (event.clientX - this._downMouseX) / this._timeline.pixelMsRatio();
if (this._animation.startTime() + this._delay() + this._duration() - this._timeline.startTime() > this._timeline.duration() * 0.8)
this._timeline.setDuration(this._timeline.duration() * 1.2);
this.redraw();
},
/**
* @param {!Event} event
*/
_mouseUp: function(event)
{
this._movementInMs = (event.clientX - this._downMouseX) / this._timeline.pixelMsRatio();
// Commit changes
if (this._mouseEventType === WebInspector.AnimationUI.MouseEvents.KeyframeMove) {
this._keyframes[this._keyframeMoved].setOffset(this._offset(this._keyframeMoved));
} else {
var delay = this._delay();
var duration = this._duration();
this._setDelay(delay);
this._setDuration(duration);
if (this._animation.type() !== "CSSAnimation") {
var target = WebInspector.targetManager.mainTarget();
if (target)
target.animationAgent().setTiming(this._animation.id(), duration, delay);
}
}
this._movementInMs = 0;
this.redraw();
this._parentElement.ownerDocument.removeEventListener("mousemove", this._mouseMoveHandler);
this._parentElement.ownerDocument.removeEventListener("mouseup", this._mouseUpHandler);
delete this._mouseMoveHandler;
delete this._mouseUpHandler;
delete this._mouseEventType;
delete this._downMouseX;
delete this._keyframeMoved;
},
/**
* @param {number} value
*/
_setDelay: function(value)
{
if (!this._node || this._animation.source().delay() == this._delay())
return;
this._animation.source().setDelay(this._delay());
var propertyName;
if (this._animation.type() == "CSSTransition")
propertyName = "transition-delay";
else if (this._animation.type() == "CSSAnimation")
propertyName = "animation-delay";
else
return;
this._setNodeStyle(propertyName, Math.round(value) + "ms");
},
/**
* @param {number} value
*/
_setDuration: function(value)
{
if (!this._node || this._animation.source().duration() == value)
return;
this._animation.source().setDuration(value);
var propertyName;
if (this._animation.type() == "CSSTransition")
propertyName = "transition-duration";
else if (this._animation.type() == "CSSAnimation")
propertyName = "animation-duration";
else
return;
this._setNodeStyle(propertyName, Math.round(value) + "ms");
},
/**
* @param {string} name
* @param {string} value
*/
_setNodeStyle: function(name, value)
{
var style = this._node.getAttribute("style") || "";
if (style)
style = style.replace(new RegExp("\\s*(-webkit-)?" + name + ":[^;]*;?\\s*", "g"), "");
var valueString = name + ": " + value;
this._node.setAttributeValue("style", style + " " + valueString + "; -webkit-" + valueString + ";");
}
}
WebInspector.AnimationUI.Options = {
AnimationHeight: 32,
AnimationSVGHeight: 80,
AnimationMargin: 7,
EndpointsClickRegionSize: 10,
GridCanvasHeight: 40
}
WebInspector.AnimationUI.Colors = {
"Purple": WebInspector.Color.parse("#9C27B0"),
"Light Blue": WebInspector.Color.parse("#03A9F4"),
"Deep Orange": WebInspector.Color.parse("#FF5722"),
"Blue": WebInspector.Color.parse("#5677FC"),
"Lime": WebInspector.Color.parse("#CDDC39"),
"Blue Grey": WebInspector.Color.parse("#607D8B"),
"Pink": WebInspector.Color.parse("#E91E63"),
"Green": WebInspector.Color.parse("#0F9D58"),
"Brown": WebInspector.Color.parse("#795548"),
"Cyan": WebInspector.Color.parse("#00BCD4")
}
/**
* @param {!WebInspector.AnimationModel.Animation} animation
* @return {string}
*/
WebInspector.AnimationUI.Color = function(animation)
{
/**
* @param {string} string
* @return {number}
*/
function hash(string)
{
var hash = 0;
for (var i = 0; i < string.length; i++)
hash = (hash << 5) + hash + string.charCodeAt(i);
return Math.abs(hash);
}
var names = Object.keys(WebInspector.AnimationUI.Colors);
var color = WebInspector.AnimationUI.Colors[names[hash(animation.name() || animation.id()) % names.length]];
return color.asString(WebInspector.Color.Format.RGB);
}