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1 /* | |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions are | |
6 * met: | |
7 * | |
8 * * Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * * Redistributions in binary form must reproduce the above | |
11 * copyright notice, this list of conditions and the following disclaimer | |
12 * in the documentation and/or other materials provided with the | |
13 * distribution. | |
14 * * Neither the name of Google Inc. nor the names of its | |
15 * contributors may be used to endorse or promote products derived from | |
16 * this software without specific prior written permission. | |
17 * | |
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 */ | |
30 | |
31 #include "config.h" | |
32 #include "WebScreenInfoFactory.h" | |
33 | |
34 #import <AppKit/AppKit.h> | |
35 | |
36 #include "WebScreenInfo.h" | |
37 | |
38 namespace WebKit { | |
39 | |
40 static NSScreen* screenForWindow(NSWindow* window) | |
41 { | |
42 NSScreen* screen = [window screen]; // nil if the window is off-screen | |
43 if (screen) | |
44 return screen; | |
45 | |
46 NSArray* screens = [NSScreen screens]; | |
47 if ([screens count] > 0) | |
48 return [screens objectAtIndex:0]; // screen containing the menubar | |
49 | |
50 return nil; | |
51 } | |
52 | |
53 static WebRect toUserSpace(const NSRect& rect, NSWindow* destination) | |
54 { | |
55 CGRect userRect = NSRectToCGRect(rect); | |
56 | |
57 userRect.origin.y = | |
58 NSMaxY([screenForWindow(destination) frame]) - (userRect.origin.y + userRect.size.height); // flip | |
59 | |
60 if (destination) { | |
61 CGFloat scale = 1 / [destination userSpaceScaleFactor]; // scale down | |
62 userRect.origin.x *= scale; | |
63 userRect.origin.y *= scale; | |
64 userRect.size.width *= scale; | |
65 userRect.size.height *= scale; | |
66 } | |
67 | |
68 return WebRect(userRect.origin.x, | |
69 userRect.origin.y, | |
70 userRect.size.width, | |
71 userRect.size.height); | |
72 } | |
73 | |
74 WebScreenInfo WebScreenInfoFactory::screenInfo(NSView* view) | |
75 { | |
76 NSString *colorSpace = NSColorSpaceFromDepth([[NSScreen deepestScreen] depth]); | |
77 | |
78 WebScreenInfo results; | |
79 results.depth = | |
80 NSBitsPerPixelFromDepth([[NSScreen deepestScreen] depth]); | |
81 results.depthPerComponent = | |
82 NSBitsPerSampleFromDepth([[NSScreen deepestScreen] depth]); | |
83 results.isMonochrome = colorSpace == NSCalibratedWhiteColorSpace | |
84 || colorSpace == NSCalibratedBlackColorSpace | |
85 || colorSpace == NSDeviceWhiteColorSpace | |
86 || colorSpace == NSDeviceBlackColorSpace; | |
87 results.rect = | |
88 toUserSpace([screenForWindow([view window]) frame], [view window]); | |
89 results.availableRect = | |
90 toUserSpace([screenForWindow([view window]) visibleFrame], [view window]); | |
91 return results; | |
92 } | |
93 | |
94 } // namespace WebKit | |
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