This repository has been archived by the owner on Apr 10, 2024. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 305
/
nsScreenManagerCocoa.mm
116 lines (90 loc) · 3.12 KB
/
nsScreenManagerCocoa.mm
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
108
109
110
111
112
113
114
115
116
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsScreenManagerCocoa.h"
#include "nsObjCExceptions.h"
#include "nsCOMPtr.h"
#include "nsCocoaUtils.h"
NS_IMPL_ISUPPORTS1(nsScreenManagerCocoa, nsIScreenManager)
nsScreenManagerCocoa::nsScreenManagerCocoa()
{
}
nsScreenManagerCocoa::~nsScreenManagerCocoa()
{
}
nsScreenCocoa*
nsScreenManagerCocoa::ScreenForCocoaScreen(NSScreen *screen)
{
for (uint32_t i = 0; i < mScreenList.Length(); ++i) {
nsScreenCocoa* sc = mScreenList[i];
if (sc->CocoaScreen() == screen) {
// doesn't addref
return sc;
}
}
// didn't find it; create and insert
nsRefPtr<nsScreenCocoa> sc = new nsScreenCocoa(screen);
mScreenList.AppendElement(sc);
return sc.get();
}
NS_IMETHODIMP
nsScreenManagerCocoa::ScreenForRect (int32_t aX, int32_t aY, int32_t aWidth, int32_t aHeight,
nsIScreen **outScreen)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
NSEnumerator *screenEnum = [[NSScreen screens] objectEnumerator];
NSRect inRect = nsCocoaUtils::GeckoRectToCocoaRect(nsIntRect(aX, aY, aWidth, aHeight));
NSScreen *screenWindowIsOn = [NSScreen mainScreen];
float greatestArea = 0;
while (NSScreen *screen = [screenEnum nextObject]) {
NSDictionary *desc = [screen deviceDescription];
if ([desc objectForKey:NSDeviceIsScreen] == nil)
continue;
NSRect r = NSIntersectionRect([screen frame], inRect);
float area = r.size.width * r.size.height;
if (area > greatestArea) {
greatestArea = area;
screenWindowIsOn = screen;
}
}
*outScreen = ScreenForCocoaScreen(screenWindowIsOn);
NS_ADDREF(*outScreen);
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP
nsScreenManagerCocoa::GetPrimaryScreen (nsIScreen **outScreen)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
// the mainScreen is the screen with the "key window" (focus, I assume?)
NSScreen *sc = [[NSScreen screens] objectAtIndex:0];
*outScreen = ScreenForCocoaScreen(sc);
NS_ADDREF(*outScreen);
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP
nsScreenManagerCocoa::GetNumberOfScreens (uint32_t *aNumberOfScreens)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
NSArray *ss = [NSScreen screens];
*aNumberOfScreens = [ss count];
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP
nsScreenManagerCocoa::ScreenForNativeWidget (void *nativeWidget, nsIScreen **outScreen)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
NSWindow *window = static_cast<NSWindow*>(nativeWidget);
if (window) {
nsIScreen *screen = ScreenForCocoaScreen([window screen]);
*outScreen = screen;
NS_ADDREF(*outScreen);
return NS_OK;
}
*outScreen = nullptr;
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}