1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /* ***** BEGIN LICENSE BLOCK *****
3 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 * The contents of this file are subject to the Mozilla Public License Version
6 * 1.1 (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 * http://www.mozilla.org/MPL/
10 * Software distributed under the License is distributed on an "AS IS" basis,
11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 * for the specific language governing rights and limitations under the
15 * The Original Code is mozilla.org code.
17 * The Initial Developer of the Original Code is
19 * Portions created by the Initial Developer are Copyright (C) 2006
20 * the Initial Developer. All Rights Reserved.
23 * Vladimir Vukicevic <vladimir@pobox.com>
25 * Alternatively, the contents of this file may be used under the terms of
26 * either of the GNU General Public License Version 2 or later (the "GPL"),
27 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 * in which case the provisions of the GPL or the LGPL are applicable instead
29 * of those above. If you wish to allow use of your version of this file only
30 * under the terms of either the GPL or the LGPL, and not to allow others to
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32 * decision by deleting the provisions above and replace them with the notice
33 * and other provisions required by the GPL or the LGPL. If you do not delete
34 * the provisions above, a recipient may use your version of this file under
35 * the terms of any one of the MPL, the GPL or the LGPL.
37 * ***** END LICENSE BLOCK ***** */
39 #include "nsScreenManagerCocoa.h"
40 #include "nsObjCExceptions.h"
42 #include "nsCocoaUtils.h"
44 NS_IMPL_ISUPPORTS1(nsScreenManagerCocoa, nsIScreenManager)
46 nsScreenManagerCocoa::nsScreenManagerCocoa()
50 nsScreenManagerCocoa::~nsScreenManagerCocoa()
55 nsScreenManagerCocoa::ScreenForCocoaScreen (NSScreen *screen)
57 for (PRInt32 i = 0; i < mScreenList.Length(); ++i) {
58 nsScreenCocoa* sc = mScreenList[i];
60 if (sc->CocoaScreen() == screen) {
66 // didn't find it; create and insert
67 nsRefPtr<nsScreenCocoa> sc = new nsScreenCocoa(screen);
68 mScreenList.AppendElement(sc);
73 nsScreenManagerCocoa::ScreenForRect (PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight,
74 nsIScreen **outScreen)
76 NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
78 NSEnumerator *screenEnum = [[NSScreen screens] objectEnumerator];
79 NSRect inRect = nsCocoaUtils::GeckoRectToCocoaRect(nsIntRect(aX, aY, aWidth, aHeight));
80 NSScreen *screenWindowIsOn = [NSScreen mainScreen];
81 float greatestArea = 0;
83 while (NSScreen *screen = [screenEnum nextObject]) {
84 NSDictionary *desc = [screen deviceDescription];
85 if ([desc objectForKey:NSDeviceIsScreen] == nil)
88 NSRect r = NSIntersectionRect([screen frame], inRect);
89 float area = r.size.width * r.size.height;
90 if (area > greatestArea) {
92 screenWindowIsOn = screen;
96 *outScreen = ScreenForCocoaScreen(screenWindowIsOn);
97 NS_ADDREF(*outScreen);
100 NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
104 nsScreenManagerCocoa::GetPrimaryScreen (nsIScreen **outScreen)
106 NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
108 // the mainScreen is the screen with the "key window" (focus, I assume?)
109 NSScreen *sc = [[NSScreen screens] objectAtIndex:0];
111 *outScreen = ScreenForCocoaScreen(sc);
112 NS_ADDREF(*outScreen);
116 NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
120 nsScreenManagerCocoa::GetNumberOfScreens (PRUint32 *aNumberOfScreens)
122 NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
124 NSArray *ss = [NSScreen screens];
126 *aNumberOfScreens = [ss count];
130 NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
134 nsScreenManagerCocoa::ScreenForNativeWidget (void *nativeWidget, nsIScreen **outScreen)
136 NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
138 NSWindow *window = static_cast<NSWindow*>(nativeWidget);
140 nsIScreen *screen = ScreenForCocoaScreen([window screen]);
142 NS_ADDREF(*outScreen);
149 NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;