/* -*- 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 (PRUint32 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 sc = new nsScreenCocoa(screen); mScreenList.AppendElement(sc); return sc.get(); } NS_IMETHODIMP nsScreenManagerCocoa::ScreenForRect (PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 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 (PRUint32 *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(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; }