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Side by Side Diff: third_party/WebKit/Source/devtools/front_end/elements/BezierEditor.js

Issue 2299473002: DevTools: Move BezierEditor from elements/ to ui/ (Closed)
Patch Set: Created 4 years, 3 months ago
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1 // Copyright (c) 2015 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 /**
6 * @constructor
7 * @extends {WebInspector.VBox}
8 */
9 WebInspector.BezierEditor = function()
10 {
11 WebInspector.VBox.call(this, true);
12 this.registerRequiredCSS("elements/bezierEditor.css");
13 this.contentElement.tabIndex = 0;
14
15 // Preview UI
16 this._previewElement = this.contentElement.createChild("div", "bezier-previe w-container");
17 this._previewElement.createChild("div", "bezier-preview-animation");
18 this._previewElement.addEventListener("click", this._startPreviewAnimation.b ind(this));
19 this._previewOnion = this.contentElement.createChild("div", "bezier-preview- onion");
20 this._previewOnion.addEventListener("click", this._startPreviewAnimation.bin d(this));
21
22 this._outerContainer = this.contentElement.createChild("div", "bezier-contai ner");
23
24 // Presets UI
25 this._presetsContainer = this._outerContainer.createChild("div", "bezier-pre sets");
26 this._presetUI = new WebInspector.BezierUI(40, 40, 0, 2, false);
27 this._presetCategories = [];
28 for (var i = 0; i < WebInspector.BezierEditor.Presets.length; i++) {
29 this._presetCategories[i] = this._createCategory(WebInspector.BezierEdit or.Presets[i]);
30 this._presetsContainer.appendChild(this._presetCategories[i].icon);
31 }
32
33 // Curve UI
34 this._curveUI = new WebInspector.BezierUI(150, 250, 50, 7, true);
35 this._curve = this._outerContainer.createSVGChild("svg", "bezier-curve");
36 WebInspector.installDragHandle(this._curve, this._dragStart.bind(this), this ._dragMove.bind(this), this._dragEnd.bind(this), "default");
37
38 this._header = this.contentElement.createChild("div", "bezier-header");
39 var minus = this._createPresetModifyIcon(this._header, "bezier-preset-minus" , "M 12 6 L 8 10 L 12 14");
40 var plus = this._createPresetModifyIcon(this._header, "bezier-preset-plus", "M 8 6 L 12 10 L 8 14");
41 minus.addEventListener("click", this._presetModifyClicked.bind(this, false)) ;
42 plus.addEventListener("click", this._presetModifyClicked.bind(this, true));
43 this._label = this._header.createChild("span", "source-code bezier-display-v alue");
44 }
45
46 /** @enum {symbol} */
47 WebInspector.BezierEditor.Events = {
48 BezierChanged: Symbol("BezierChanged")
49 }
50
51 WebInspector.BezierEditor.Presets = [
52 [
53 { name: "ease-in-out", value: "ease-in-out" },
54 { name: "In Out · Sine", value: "cubic-bezier(0.45, 0.05, 0.55, 0.95)" } ,
55 { name: "In Out · Quadratic", value: "cubic-bezier(0.46, 0.03, 0.52, 0.9 6)" },
56 { name: "In Out · Cubic", value: "cubic-bezier(0.65, 0.05, 0.36, 1)" },
57 { name: "Fast Out, Slow In", value: "cubic-bezier(0.4, 0, 0.2, 1)" },
58 { name: "In Out · Back", value: "cubic-bezier(0.68, -0.55, 0.27, 1.55)" }
59 ],
60 [
61 { name: "Fast Out, Linear In", value: "cubic-bezier(0.4, 0, 1, 1)" },
62 { name: "ease-in", value: "ease-in" },
63 { name: "In · Sine", value: "cubic-bezier(0.47, 0, 0.75, 0.72)" },
64 { name: "In · Quadratic", value: "cubic-bezier(0.55, 0.09, 0.68, 0.53)" },
65 { name: "In · Cubic", value: "cubic-bezier(0.55, 0.06, 0.68, 0.19)" },
66 { name: "In · Back", value: "cubic-bezier(0.6, -0.28, 0.74, 0.05)" }
67 ],
68 [
69 { name: "ease-out", value: "ease-out" },
70 { name: "Out · Sine", value: "cubic-bezier(0.39, 0.58, 0.57, 1)" },
71 { name: "Out · Quadratic", value: "cubic-bezier(0.25, 0.46, 0.45, 0.94)" },
72 { name: "Out · Cubic", value: "cubic-bezier(0.22, 0.61, 0.36, 1)" },
73 { name: "Linear Out, Slow In", value: "cubic-bezier(0, 0, 0.2, 1)" },
74 { name: "Out · Back", value: "cubic-bezier(0.18, 0.89, 0.32, 1.28)" }
75 ]
76 ]
77
78 /** @typedef {{presets: !Array.<{name: string, value: string}>, icon: !Element, presetIndex: number}} */
79 WebInspector.BezierEditor.PresetCategory;
80
81 WebInspector.BezierEditor.prototype = {
82 /**
83 * @param {?WebInspector.Geometry.CubicBezier} bezier
84 */
85 setBezier: function(bezier)
86 {
87 if (!bezier)
88 return;
89 this._bezier = bezier;
90 this._updateUI();
91 },
92
93 /**
94 * @return {!WebInspector.Geometry.CubicBezier}
95 */
96 bezier: function()
97 {
98 return this._bezier;
99 },
100
101 wasShown: function()
102 {
103 this._unselectPresets();
104 // Check if bezier matches a preset
105 for (var category of this._presetCategories) {
106 for (var i = 0; i < category.presets.length; i++) {
107 if (this._bezier.asCSSText() === category.presets[i].value) {
108 category.presetIndex = i;
109 this._presetCategorySelected(category);
110 }
111 }
112 }
113
114 this._updateUI();
115 this._startPreviewAnimation();
116 },
117
118 _onchange: function()
119 {
120 this._updateUI();
121 this.dispatchEventToListeners(WebInspector.BezierEditor.Events.BezierCha nged, this._bezier.asCSSText());
122 },
123
124 _updateUI: function()
125 {
126 var labelText = this._selectedCategory ? this._selectedCategory.presets[ this._selectedCategory.presetIndex].name : this._bezier.asCSSText().replace(/\s( -\d\.\d)/g, "$1");
127 this._label.textContent = WebInspector.UIString(labelText);
128 this._curveUI.drawCurve(this._bezier, this._curve);
129 this._previewOnion.removeChildren();
130 },
131
132 /**
133 * @param {!Event} event
134 * @return {boolean}
135 */
136 _dragStart: function(event)
137 {
138 this._mouseDownPosition = new WebInspector.Geometry.Point(event.x, event .y);
139 var ui = this._curveUI;
140 this._controlPosition = new WebInspector.Geometry.Point(
141 Number.constrain((event.offsetX - ui.radius) / ui.curveWidth(), 0, 1 ),
142 (ui.curveHeight() + ui.marginTop + ui.radius - event.offsetY) / ui.c urveHeight());
143
144 var firstControlPointIsCloser = this._controlPosition.distanceTo(this._b ezier.controlPoints[0]) < this._controlPosition.distanceTo(this._bezier.controlP oints[1]);
145 this._selectedPoint = firstControlPointIsCloser ? 0 : 1;
146
147 this._bezier.controlPoints[this._selectedPoint] = this._controlPosition;
148 this._unselectPresets();
149 this._onchange();
150
151 event.consume(true);
152 return true;
153 },
154
155 /**
156 * @param {number} mouseX
157 * @param {number} mouseY
158 */
159 _updateControlPosition: function(mouseX, mouseY)
160 {
161 var deltaX = (mouseX - this._mouseDownPosition.x) / this._curveUI.curveW idth();
162 var deltaY = (mouseY - this._mouseDownPosition.y) / this._curveUI.curveH eight();
163 var newPosition = new WebInspector.Geometry.Point(Number.constrain(this. _controlPosition.x + deltaX, 0, 1), this._controlPosition.y - deltaY);
164 this._bezier.controlPoints[this._selectedPoint] = newPosition;
165 },
166
167 /**
168 * @param {!Event} event
169 */
170 _dragMove: function(event)
171 {
172 this._updateControlPosition(event.x, event.y);
173 this._onchange();
174 },
175
176 /**
177 * @param {!Event} event
178 */
179 _dragEnd: function(event)
180 {
181 this._updateControlPosition(event.x, event.y);
182 this._onchange();
183 this._startPreviewAnimation();
184 },
185
186 /**
187 * @param {!Array<{name: string, value: string}>} presetGroup
188 * @return {!WebInspector.BezierEditor.PresetCategory}
189 */
190 _createCategory: function(presetGroup)
191 {
192 var presetElement = createElementWithClass("div", "bezier-preset-categor y");
193 var iconElement = presetElement.createSVGChild("svg", "bezier-preset mon ospace");
194 var category = { presets: presetGroup, presetIndex: 0, icon: presetEleme nt };
195 this._presetUI.drawCurve(WebInspector.Geometry.CubicBezier.parse(categor y.presets[0].value), iconElement);
196 iconElement.addEventListener("click", this._presetCategorySelected.bind( this, category));
197 return category;
198 },
199
200 /**
201 * @param {!Element} parentElement
202 * @param {string} className
203 * @param {string} drawPath
204 * @return {!Element}
205 */
206 _createPresetModifyIcon: function(parentElement, className, drawPath)
207 {
208 var icon = parentElement.createSVGChild("svg", "bezier-preset-modify " + className);
209 icon.setAttribute("width", 20);
210 icon.setAttribute("height", 20);
211 var path = icon.createSVGChild("path");
212 path.setAttribute("d", drawPath);
213 return icon;
214 },
215
216 _unselectPresets: function()
217 {
218 for (var category of this._presetCategories)
219 category.icon.classList.remove("bezier-preset-selected");
220 delete this._selectedCategory;
221 this._header.classList.remove("bezier-header-active");
222 },
223
224 /**
225 * @param {!WebInspector.BezierEditor.PresetCategory} category
226 * @param {!Event=} event
227 */
228 _presetCategorySelected: function(category, event)
229 {
230 if (this._selectedCategory === category)
231 return;
232 this._unselectPresets();
233 this._header.classList.add("bezier-header-active");
234 this._selectedCategory = category;
235 this._selectedCategory.icon.classList.add("bezier-preset-selected");
236 this.setBezier(WebInspector.Geometry.CubicBezier.parse(category.presets[ category.presetIndex].value));
237 this._onchange();
238 this._startPreviewAnimation();
239 if (event)
240 event.consume(true);
241 },
242
243 /**
244 * @param {boolean} intensify
245 * @param {!Event} event
246 */
247 _presetModifyClicked: function(intensify, event)
248 {
249 if (!this._selectedCategory)
250 return;
251
252 var length = this._selectedCategory.presets.length;
253 this._selectedCategory.presetIndex = (this._selectedCategory.presetIndex + (intensify ? 1 : -1) + length) % length;
254 this.setBezier(WebInspector.Geometry.CubicBezier.parse(this._selectedCat egory.presets[this._selectedCategory.presetIndex].value));
255 this._onchange();
256 this._startPreviewAnimation();
257 },
258
259 _startPreviewAnimation: function()
260 {
261 if (this._previewAnimation)
262 this._previewAnimation.cancel();
263
264 const animationDuration = 1600;
265 const numberOnionSlices = 20;
266
267 var keyframes = [{ offset: 0, transform: "translateX(0px)", easing: this ._bezier.asCSSText(), opacity: 1 },
268 { offset: 0.9, transform: "translateX(218px)", opacity: 1 },
269 { offset: 1, transform: "translateX(218px)", opacity: 0 }];
270 this._previewAnimation = this._previewElement.animate(keyframes, animati onDuration);
271 this._previewOnion.removeChildren();
272 for (var i = 0; i <= numberOnionSlices; i++) {
273 var slice = this._previewOnion.createChild("div", "bezier-preview-an imation");
274 var player = slice.animate([{ transform: "translateX(0px)", easing: this._bezier.asCSSText() }, { transform: "translateX(218px)" }],
275 { duration: animationDuration, fill: "forwards" });
276 player.pause();
277 player.currentTime = animationDuration * i / numberOnionSlices;
278 }
279 },
280
281 __proto__: WebInspector.VBox.prototype
282 }
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