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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 function MockWindow(width, height, sizer) { | |
6 this.innerWidth = width; | |
7 this.innerHeight = height; | |
8 this.addEventListener = function(e, f) { | |
9 if (e == 'scroll') | |
10 this.scrollCallback = f; | |
11 if (e == 'resize') | |
12 this.resizeCallback = f; | |
13 }; | |
14 this.scrollTo = function(x, y) { | |
15 if (sizer) { | |
16 x = Math.min(x, parseInt(sizer.style.width) - width); | |
17 y = Math.min(y, parseInt(sizer.style.height) - height); | |
18 } | |
19 this.pageXOffset = Math.max(0, x); | |
20 this.pageYOffset = Math.max(0, y); | |
21 this.scrollCallback(); | |
22 }; | |
23 if (sizer) { | |
24 sizer.resizeCallback_ = function() { | |
25 this.scrollTo(this.pageXOffset, this.pageYOffset); | |
26 }.bind(this); | |
27 } | |
28 this.pageXOffset = 0; | |
29 this.pageYOffset = 0; | |
30 this.scrollCallback = null; | |
31 this.resizeCallback = null; | |
32 } | |
33 | |
34 function MockSizer() { | |
35 var sizer = this; | |
36 this.style = { | |
37 width_: '0px', | |
38 height_: '0px', | |
39 get height() { return this.height_; }, | |
40 set height(height) { | |
41 this.height_ = height; | |
42 if (sizer.resizeCallback_) | |
43 sizer.resizeCallback_(); | |
44 }, | |
45 get width() { return this.width_; }, | |
46 set width(width) { | |
47 this.width_ = width; | |
48 if (sizer.resizeCallback_) | |
49 sizer.resizeCallback_(); | |
50 }, | |
51 }; | |
52 } | |
53 | |
54 function MockViewportChangedCallback() { | |
55 this.wasCalled = false; | |
56 this.callback = function() { | |
57 this.wasCalled = true; | |
58 }.bind(this); | |
59 this.reset = function() { | |
60 this.wasCalled = false; | |
61 }; | |
62 } | |
63 | |
64 function MockDocumentDimensions(width, height) { | |
65 this.width = width || 0; | |
66 this.height = height ? height : 0; | |
67 this.pageDimensions = []; | |
68 this.addPage = function(w, h) { | |
69 var y = 0; | |
70 if (this.pageDimensions.length != 0) { | |
71 y = this.pageDimensions[this.pageDimensions.length - 1].y + | |
72 this.pageDimensions[this.pageDimensions.length - 1].height; | |
73 } | |
74 this.width = Math.max(this.width, w); | |
75 this.height += h; | |
76 this.pageDimensions.push({ | |
77 x: 0, | |
78 y: y, | |
79 width: w, | |
80 height: h | |
81 }); | |
82 }; | |
83 this.reset = function() { | |
84 this.width = 0; | |
85 this.height = 0; | |
86 this.pageDimensions = []; | |
87 }; | |
88 } | |
89 | |
90 var tests = [ | 5 var tests = [ |
91 function testDocumentNeedsScrollbars() { | 6 function testDocumentNeedsScrollbars() { |
92 var viewport = | 7 var viewport = |
93 new Viewport(new MockWindow(100, 100), new MockSizer(), function() {}, | 8 new Viewport(new MockWindow(100, 100), new MockSizer(), function() {}, |
94 function() {}, function() {}, 10, 0); | 9 function() {}, function() {}, 10, 0); |
95 var scrollbars; | 10 var scrollbars; |
96 | 11 |
97 viewport.setDocumentDimensions(new MockDocumentDimensions(90, 90)); | 12 viewport.setDocumentDimensions(new MockDocumentDimensions(90, 90)); |
98 scrollbars = viewport.documentNeedsScrollbars_(1); | 13 scrollbars = viewport.documentNeedsScrollbars_(1); |
99 chrome.test.assertFalse(scrollbars.vertical); | 14 chrome.test.assertFalse(scrollbars.vertical); |
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498 chrome.test.assertEq(1, viewport.zoom); | 413 chrome.test.assertEq(1, viewport.zoom); |
499 }; | 414 }; |
500 viewport = new Viewport(mockWindow, mockSizer, function() {}, | 415 viewport = new Viewport(mockWindow, mockSizer, function() {}, |
501 beforeZoom, afterZoom, 0, 0); | 416 beforeZoom, afterZoom, 0, 0); |
502 viewport.setZoom(0.5); | 417 viewport.setZoom(0.5); |
503 chrome.test.succeed(); | 418 chrome.test.succeed(); |
504 } | 419 } |
505 ]; | 420 ]; |
506 | 421 |
507 chrome.test.runTests(tests); | 422 chrome.test.runTests(tests); |
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