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comparison: widget/cocoa/nsScreenManagerCocoa.mm
widget/cocoa/nsScreenManagerCocoa.mm
- changeset 2
- 7e26c7da4463
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| -1:000000000000 | 0:1d8ac4fd3428 |
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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "nsScreenManagerCocoa.h" | |
| 7 #include "nsObjCExceptions.h" | |
| 8 #include "nsCOMPtr.h" | |
| 9 #include "nsCocoaUtils.h" | |
| 10 | |
| 11 NS_IMPL_ISUPPORTS(nsScreenManagerCocoa, nsIScreenManager) | |
| 12 | |
| 13 nsScreenManagerCocoa::nsScreenManagerCocoa() | |
| 14 { | |
| 15 } | |
| 16 | |
| 17 nsScreenManagerCocoa::~nsScreenManagerCocoa() | |
| 18 { | |
| 19 } | |
| 20 | |
| 21 nsScreenCocoa* | |
| 22 nsScreenManagerCocoa::ScreenForCocoaScreen(NSScreen *screen) | |
| 23 { | |
| 24 for (uint32_t i = 0; i < mScreenList.Length(); ++i) { | |
| 25 nsScreenCocoa* sc = mScreenList[i]; | |
| 26 if (sc->CocoaScreen() == screen) { | |
| 27 // doesn't addref | |
| 28 return sc; | |
| 29 } | |
| 30 } | |
| 31 | |
| 32 // didn't find it; create and insert | |
| 33 nsRefPtr<nsScreenCocoa> sc = new nsScreenCocoa(screen); | |
| 34 mScreenList.AppendElement(sc); | |
| 35 return sc.get(); | |
| 36 } | |
| 37 | |
| 38 NS_IMETHODIMP | |
| 39 nsScreenManagerCocoa::ScreenForRect (int32_t aX, int32_t aY, int32_t aWidth, int32_t aHeight, | |
| 40 nsIScreen **outScreen) | |
| 41 { | |
| 42 NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT; | |
| 43 | |
| 44 NSEnumerator *screenEnum = [[NSScreen screens] objectEnumerator]; | |
| 45 NSRect inRect = nsCocoaUtils::GeckoRectToCocoaRect(nsIntRect(aX, aY, aWidth, aHeight)); | |
| 46 NSScreen *screenWindowIsOn = [NSScreen mainScreen]; | |
| 47 float greatestArea = 0; | |
| 48 | |
| 49 while (NSScreen *screen = [screenEnum nextObject]) { | |
| 50 NSDictionary *desc = [screen deviceDescription]; | |
| 51 if ([desc objectForKey:NSDeviceIsScreen] == nil) | |
| 52 continue; | |
| 53 | |
| 54 NSRect r = NSIntersectionRect([screen frame], inRect); | |
| 55 float area = r.size.width * r.size.height; | |
| 56 if (area > greatestArea) { | |
| 57 greatestArea = area; | |
| 58 screenWindowIsOn = screen; | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 *outScreen = ScreenForCocoaScreen(screenWindowIsOn); | |
| 63 NS_ADDREF(*outScreen); | |
| 64 return NS_OK; | |
| 65 | |
| 66 NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT; | |
| 67 } | |
| 68 | |
| 69 NS_IMETHODIMP | |
| 70 nsScreenManagerCocoa::GetPrimaryScreen (nsIScreen **outScreen) | |
| 71 { | |
| 72 NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT; | |
| 73 | |
| 74 // the mainScreen is the screen with the "key window" (focus, I assume?) | |
| 75 NSScreen *sc = [[NSScreen screens] objectAtIndex:0]; | |
| 76 | |
| 77 *outScreen = ScreenForCocoaScreen(sc); | |
| 78 NS_ADDREF(*outScreen); | |
| 79 | |
| 80 return NS_OK; | |
| 81 | |
| 82 NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT; | |
| 83 } | |
| 84 | |
| 85 NS_IMETHODIMP | |
| 86 nsScreenManagerCocoa::GetNumberOfScreens (uint32_t *aNumberOfScreens) | |
| 87 { | |
| 88 NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT; | |
| 89 | |
| 90 NSArray *ss = [NSScreen screens]; | |
| 91 | |
| 92 *aNumberOfScreens = [ss count]; | |
| 93 | |
| 94 return NS_OK; | |
| 95 | |
| 96 NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT; | |
| 97 } | |
| 98 | |
| 99 NS_IMETHODIMP | |
| 100 nsScreenManagerCocoa::GetSystemDefaultScale(float *aDefaultScale) | |
| 101 { | |
| 102 *aDefaultScale = 1.0f; | |
| 103 return NS_OK; | |
| 104 } | |
| 105 | |
| 106 NS_IMETHODIMP | |
| 107 nsScreenManagerCocoa::ScreenForNativeWidget (void *nativeWidget, nsIScreen **outScreen) | |
| 108 { | |
| 109 NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT; | |
| 110 | |
| 111 NSWindow *window = static_cast<NSWindow*>(nativeWidget); | |
| 112 if (window) { | |
| 113 nsIScreen *screen = ScreenForCocoaScreen([window screen]); | |
| 114 *outScreen = screen; | |
| 115 NS_ADDREF(*outScreen); | |
| 116 return NS_OK; | |
| 117 } | |
| 118 | |
| 119 *outScreen = nullptr; | |
| 120 return NS_OK; | |
| 121 | |
| 122 NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT; | |
| 123 } |
