1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
// Copyright (c) 2013 Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
var ENVIRONMENT_IS_PTHREAD; // is set to true in pthread-main.js if we are in a worker
if(!ENVIRONMENT_IS_PTHREAD) {
(function() {
var View_IsView = function(resource) {
return resources.is(resource, VIEW_RESOURCE);
};
var View_GetRect = function(resource, rectptr) {
var view = resources.resolve(resource, VIEW_RESOURCE);
if (view === undefined) {
return 0;
}
glue.setRect(view.rect, rectptr);
return 1;
};
var View_IsFullscreen = function(resource) {
var view = resources.resolve(resource, VIEW_RESOURCE);
if (view === undefined) {
return 0;
}
return view.fullscreen;
};
var View_IsVisible = function(resource) {
var view = resources.resolve(resource, VIEW_RESOURCE);
if (view === undefined) {
// Be conservative.
return 1;
}
return view.visible;
};
var View_IsPageVisible = function(resource) {
var view = resources.resolve(resource, VIEW_RESOURCE);
if (view === undefined) {
// Be conservative.
return 1;
}
return view.page_visible;
};
var View_GetClipRect = function(resource, rectptr) {
var view = resources.resolve(resource, VIEW_RESOURCE);
if (view === undefined) {
return 0;
}
glue.setRect(view.clip_rect, rectptr);
return 1;
};
var View_GetDeviceScale = function(resource) {
var view = resources.resolve(resource, VIEW_RESOURCE);
if (view === undefined) {
return 0;
}
return window.devicePixelRatio || 1;
};
var View_GetCSSScale = function(resource) {
var view = resources.resolve(resource, VIEW_RESOURCE);
if (view === undefined) {
return 0;
}
// This doesn't actually take CSS scaling into account, but it's unclear how
// to get this information in JavaScript.
return 1;
};
registerInterface("PPB_View;1.0", [
View_IsView,
View_GetRect,
View_IsFullscreen,
View_IsVisible,
View_IsPageVisible,
View_GetClipRect,
]);
registerInterface("PPB_View;1.1", [
View_IsView,
View_GetRect,
View_IsFullscreen,
View_IsVisible,
View_IsPageVisible,
View_GetClipRect,
View_GetDeviceScale,
View_GetCSSScale,
]);
registerInterface("PPB_View;1.2", [
View_IsView,
View_GetRect,
View_IsFullscreen,
View_IsVisible,
View_IsPageVisible,
View_GetClipRect,
View_GetDeviceScale,
View_GetCSSScale,
]);
})();
}
|
