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1 <polymer-element name="viewer-toolbar" attributes="fadingIn"> | 1 <polymer-element name="viewer-toolbar" attributes="fadingIn"> |
2 <template> | 2 <template> |
3 <link rel="stylesheet" href="viewer-toolbar.css"> | 3 <link rel="stylesheet" href="viewer-toolbar.css"> |
4 <div id="toolbar"> | 4 <div id="toolbar"> |
5 <content></content> | 5 <content></content> |
6 </div> | 6 </div> |
7 </template> | 7 </template> |
8 <script> | 8 <script src="viewer-toolbar.js"></script> |
9 Polymer('viewer-toolbar', { | |
10 fadingIn: false, | |
11 timerId_: undefined, | |
12 inInitialFadeIn_: false, | |
13 ready: function() { | |
14 this.mousemoveCallback = function(e) { | |
15 var rect = this.getBoundingClientRect(); | |
16 if (e.clientX >= rect.left && e.clientX <= rect.right && | |
17 e.clientY >= rect.top && e.clientY <= rect.bottom) { | |
18 this.fadingIn = true; | |
19 // If we hover over the toolbar, cancel the initial fade in. | |
20 if (this.inInitialFadeIn_) | |
21 this.inInitialFadeIn_ = false; | |
22 } else { | |
23 // Initially we want to keep the toolbar up for a longer period. | |
24 if (!this.inInitialFadeIn_) | |
25 this.fadingIn = false; | |
26 } | |
27 }.bind(this); | |
28 }, | |
29 attached: function() { | |
30 this.parentNode.addEventListener('mousemove', this.mousemoveCallback); | |
31 }, | |
32 detached: function() { | |
33 this.parentNode.removeEventListener('mousemove', this.mousemoveCallback); | |
34 }, | |
35 initialFadeIn: function() { | |
36 this.inInitialFadeIn_ = true; | |
37 this.fadeIn(); | |
38 this.fadeOutAfterDelay(6000); | |
39 }, | |
40 fadingInChanged: function() { | |
41 if (this.fadingIn) { | |
42 this.fadeIn(); | |
43 } else { | |
44 if (this.timerId_ === undefined) | |
45 this.fadeOutAfterDelay(3000); | |
46 } | |
47 }, | |
48 fadeIn: function() { | |
49 this.style.opacity = 1; | |
50 clearTimeout(this.timerId_); | |
51 this.timerId_ = undefined; | |
52 }, | |
53 fadeOutAfterDelay: function(delay) { | |
54 this.timerId_ = setTimeout( | |
55 function() { | |
56 this.style.opacity = 0; | |
57 this.timerId_ = undefined; | |
58 this.inInitialFadeIn_ = false; | |
59 }.bind(this), delay); | |
60 } | |
61 }); | |
62 </script> | |
63 </polymer-element> | 9 </polymer-element> |
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