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36 | 36 | version: "@VERSION", |
37 | 37 |
|
38 | 38 | setup: function() { |
39 | | - // Use passive event listeners if supported |
40 | | - var passiveSupported = false; |
41 | | - try { |
42 | | - var opts = Object.defineProperty({}, "passive", { |
43 | | - get: function() { |
44 | | - passiveSupported = true; |
45 | | - } |
46 | | - }); |
47 | | - window.addEventListener("test", null, opts); |
48 | | - } catch (e) {} |
49 | | - this.addEventListener( |
50 | | - "wheel", |
51 | | - handler, |
52 | | - passiveSupported ? { passive: true } : false |
53 | | - ); |
| 39 | + // Use passive event listeners if supported |
| 40 | + var passiveSupported = false; |
| 41 | + try { |
| 42 | + var opts = Object.defineProperty({}, "passive", { |
| 43 | + get: function() { |
| 44 | + passiveSupported = true; |
| 45 | + } |
| 46 | + }); |
| 47 | + window.addEventListener("test", null, opts); |
| 48 | + } catch (e) {} |
| 49 | + this.addEventListener( |
| 50 | + "wheel", |
| 51 | + handler, |
| 52 | + passiveSupported ? { passive: true } : false |
| 53 | + ); |
54 | 54 |
|
55 | 55 | // Store the line height and page height for this particular element |
56 | 56 | $.data( this, "mousewheel-line-height", special.getLineHeight( this ) ); |
57 | 57 | $.data( this, "mousewheel-page-height", special.getPageHeight( this ) ); |
58 | 58 | }, |
59 | 59 |
|
60 | 60 | teardown: function() { |
61 | | - // Remove with same passive option as setup |
62 | | - var passiveSupported = false; |
63 | | - try { |
64 | | - var opts = Object.defineProperty({}, "passive", { |
65 | | - get: function() { |
66 | | - passiveSupported = true; |
67 | | - } |
68 | | - }); |
69 | | - window.addEventListener("test", null, opts); |
70 | | - } catch (e) {} |
71 | | - this.removeEventListener( |
72 | | - "wheel", |
73 | | - handler, |
74 | | - passiveSupported ? { passive: true } : false |
75 | | - ); |
| 61 | + // Remove with same passive option as setup |
| 62 | + var passiveSupported = false; |
| 63 | + try { |
| 64 | + var opts = Object.defineProperty({}, "passive", { |
| 65 | + get: function() { |
| 66 | + passiveSupported = true; |
| 67 | + } |
| 68 | + }); |
| 69 | + window.addEventListener("test", null, opts); |
| 70 | + } catch (e) {} |
| 71 | + this.removeEventListener( |
| 72 | + "wheel", |
| 73 | + handler, |
| 74 | + passiveSupported ? { passive: true } : false |
| 75 | + ); |
76 | 76 |
|
77 | 77 | // Clean up the data we added to the element |
78 | 78 | $.removeData( this, "mousewheel-line-height" ); |
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