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Side by Side Diff: third_party/polymer/components-chromium/core-animated-pages/transitions/hero-transition-extracted.js

Issue 1215543002: Remove Polymer 0.5. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: fix unit test Created 5 years, 5 months ago
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1
2 (function() {
3
4 var webkitStyles = '-webkit-transition' in document.documentElement.style
5 var TRANSITION_CSSNAME = webkitStyles ? '-webkit-transition' : 'transition';
6 var TRANSFORM_CSSNAME = webkitStyles ? '-webkit-transform' : 'transform';
7 var TRANSITION_NAME = webkitStyles ? 'webkitTransition' : 'transition';
8 var TRANSFORM_NAME = webkitStyles ? 'webkitTransform' : 'transform';
9
10 var hasShadowDOMPolyfill = window.ShadowDOMPolyfill;
11
12 Polymer('hero-transition',{
13
14 go: function(scope, options) {
15 var props = [
16 'border-radius',
17 'width',
18 'height',
19 TRANSFORM_CSSNAME
20 ];
21
22 var duration = options && options.duration ||
23 (CoreStyle.g.transitions.heroDuration ||
24 CoreStyle.g.transitions.duration);
25
26 scope._heroes.forEach(function(h) {
27 var d = h.h0.hasAttribute('hero-delayed') ? CoreStyle.g.transitions.hero Delay : '';
28 var wt = [];
29 props.forEach(function(p) {
30 wt.push(p + ' ' + duration + ' ' + options.easing + ' ' + d);
31 });
32
33 h.h1.style[TRANSITION_NAME] = wt.join(', ');
34 h.h1.style.borderRadius = h.r1;
35 h.h1.style[TRANSFORM_NAME] = '';
36 });
37
38 this.super(arguments);
39
40 if (!scope._heroes.length) {
41 this.completed = true;
42 }
43 },
44
45 prepare: function(scope, options) {
46 this.super(arguments);
47 var src = options.src, dst = options.dst;
48
49 if (scope._heroes && scope._heroes.length) {
50 this.ensureComplete(scope);
51 } else {
52 scope._heroes = [];
53 }
54
55 // FIXME(yvonne): basic support for nested pages.
56 // Look for heroes in the light DOM and one level of shadow DOM of the src and dst,
57 // and also in src.selectedItem or dst.selectedItem, then transform the ds t hero to src
58 var ss = '[hero]';
59 var h$ = this.findAllInShadows(src, ss);
60 if (src.selectedItem) {
61 hs$ = this.findAllInShadows(src.selectedItem, ss);
62 hsa$ = [];
63 // De-duplicate items
64 Array.prototype.forEach.call(hs$, function(hs) {
65 if (h$.indexOf(hs) === -1) {
66 hsa$.push(hs);
67 }
68 })
69 h$ = h$.concat(hsa$);
70 }
71
72 for (var i=0, h0; h0=h$[i]; i++) {
73 var v = h0.getAttribute('hero-id');
74 var ds = '[hero][hero-id="' + v + '"]';
75 var h1 = this.findInShadows(dst, ds);
76
77 if (!h1 && dst.selectedItem) {
78 h1 = this.findInShadows(dst.selectedItem, ds);
79 }
80
81 // console.log('src', src);
82 // console.log('dst', dst, dst.selectedItem);
83 // console.log(v, h0, h1);
84 if (v && h1) {
85 var c0 = getComputedStyle(h0);
86 var c1 = getComputedStyle(h1);
87 var h = {
88 h0: h0,
89 b0: h0.getBoundingClientRect(),
90 r0: c0.borderRadius,
91 h1: h1,
92 b1: h1.getBoundingClientRect(),
93 r1: c1.borderRadius
94 };
95
96 var dl = h.b0.left - h.b1.left;
97 var dt = h.b0.top - h.b1.top;
98 var sw = h.b0.width / h.b1.width;
99 var sh = h.b0.height / h.b1.height;
100
101 // h.scaley = h.h0.hasAttribute('scaley');
102 // if (!h.scaley && (sw !== 1 || sh !== 1)) {
103 // sw = sh = 1;
104 // h.h1.style.width = h.b0.width + 'px';
105 // h.h1.style.height = h.b0.height + 'px';
106 // }
107
108 // Also animate the border-radius for the circle-to-square transition
109 if (h.r0 !== h.r1) {
110 h.h1.style.borderRadius = h.r0;
111 }
112
113 // console.log(h);
114
115 h.h1.style[TRANSFORM_NAME] = 'translate(' + dl + 'px,' + dt + 'px)' + ' scale(' + sw + ',' + sh + ')';
116 h.h1.style[TRANSFORM_NAME + 'Origin'] = '0 0';
117
118 scope._heroes.push(h);
119 }
120 }
121
122 },
123
124 // carefully look into ::shadow with polyfill specific hack
125 findInShadows: function(node, selector) {
126 return node.querySelector(selector) || (hasShadowDOMPolyfill ?
127 queryAllShadows(node, selector) :
128 node.querySelector('::shadow ' + selector));
129 },
130
131 findAllInShadows: function(node, selector) {
132 if (hasShadowDOMPolyfill) {
133 var nodes = node.querySelectorAll(selector).array();
134 var shadowNodes = queryAllShadows(node, selector, true);
135 return nodes.concat(shadowNodes);
136 } else {
137 return node.querySelectorAll(selector).array().concat(node.shadowRoot ? node.shadowRoot.querySelectorAll(selector).array() : []);
138 }
139 },
140
141 ensureComplete: function(scope) {
142 this.super(arguments);
143 if (scope._heroes) {
144 scope._heroes.forEach(function(h) {
145 h.h1.style[TRANSITION_NAME] = '';
146 h.h1.style[TRANSFORM_NAME] = '';
147 });
148 scope._heroes = [];
149 }
150 },
151
152 complete: function(scope, e) {
153 // if (e.propertyName === TRANSFORM_CSSNAME) {
154 var done = false;
155 scope._heroes.forEach(function(h) {
156 if (h.h1 === e.path[0]) {
157 done = true;
158 }
159 });
160
161 if (done) {
162 this.super(arguments);
163 }
164 // }
165 }
166
167 });
168
169
170 // utility method for searching through shadowRoots.
171 function queryShadow(node, selector) {
172 var m, el = node.firstElementChild;
173 var shadows, sr, i;
174 shadows = [];
175 sr = node.shadowRoot;
176 while(sr) {
177 shadows.push(sr);
178 sr = sr.olderShadowRoot;
179 }
180 for(i = shadows.length - 1; i >= 0; i--) {
181 m = shadows[i].querySelector(selector);
182 if (m) {
183 return m;
184 }
185 }
186 while(el) {
187 m = queryShadow(el, selector);
188 if (m) {
189 return m;
190 }
191 el = el.nextElementSibling;
192 }
193 return null;
194 }
195
196 function _queryAllShadows(node, selector, results) {
197 var el = node.firstElementChild;
198 var temp, sr, shadows, i, j;
199 shadows = [];
200 sr = node.shadowRoot;
201 while(sr) {
202 shadows.push(sr);
203 sr = sr.olderShadowRoot;
204 }
205 for (i = shadows.length - 1; i >= 0; i--) {
206 temp = shadows[i].querySelectorAll(selector);
207 for(j = 0; j < temp.length; j++) {
208 results.push(temp[j]);
209 }
210 }
211 while (el) {
212 _queryAllShadows(el, selector, results);
213 el = el.nextElementSibling;
214 }
215 return results;
216 }
217
218 queryAllShadows = function(node, selector, all) {
219 if (all) {
220 return _queryAllShadows(node, selector, []);
221 } else {
222 return queryShadow(node, selector);
223 }
224 };
225
226 })();
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