148 lines
3.8 KiB
Plaintext
148 lines
3.8 KiB
Plaintext
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsScreenManagerCocoa.h"
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#include "nsObjCExceptions.h"
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#include "nsCOMPtr.h"
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#include "nsCocoaUtils.h"
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NS_IMPL_ISUPPORTS(nsScreenManagerCocoa, nsIScreenManager)
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nsScreenManagerCocoa::nsScreenManagerCocoa()
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{
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}
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nsScreenManagerCocoa::~nsScreenManagerCocoa()
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{
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}
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nsScreenCocoa*
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nsScreenManagerCocoa::ScreenForCocoaScreen(NSScreen *screen)
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{
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for (uint32_t i = 0; i < mScreenList.Length(); ++i) {
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nsScreenCocoa* sc = mScreenList[i];
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if (sc->CocoaScreen() == screen) {
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// doesn't addref
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return sc;
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}
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}
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// didn't find it; create and insert
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RefPtr<nsScreenCocoa> sc = new nsScreenCocoa(screen);
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mScreenList.AppendElement(sc);
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return sc.get();
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}
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NS_IMETHODIMP
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nsScreenManagerCocoa::ScreenForId (uint32_t aId, nsIScreen **outScreen)
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT
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*outScreen = nullptr;
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for (uint32_t i = 0; i < mScreenList.Length(); ++i) {
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nsScreenCocoa* sc = mScreenList[i];
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uint32_t id;
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nsresult rv = sc->GetId(&id);
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if (NS_SUCCEEDED(rv) && id == aId) {
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*outScreen = sc;
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NS_ADDREF(*outScreen);
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return NS_OK;
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}
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}
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return NS_ERROR_FAILURE;
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NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
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}
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NS_IMETHODIMP
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nsScreenManagerCocoa::ScreenForRect (int32_t aX, int32_t aY, int32_t aWidth, int32_t aHeight,
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nsIScreen **outScreen)
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
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NSEnumerator *screenEnum = [[NSScreen screens] objectEnumerator];
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NSRect inRect = nsCocoaUtils::GeckoRectToCocoaRect(nsIntRect(aX, aY, aWidth, aHeight));
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NSScreen *screenWindowIsOn = [NSScreen mainScreen];
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float greatestArea = 0;
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while (NSScreen *screen = [screenEnum nextObject]) {
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NSDictionary *desc = [screen deviceDescription];
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if ([desc objectForKey:NSDeviceIsScreen] == nil)
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continue;
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NSRect r = NSIntersectionRect([screen frame], inRect);
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float area = r.size.width * r.size.height;
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if (area > greatestArea) {
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greatestArea = area;
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screenWindowIsOn = screen;
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}
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}
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*outScreen = ScreenForCocoaScreen(screenWindowIsOn);
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NS_ADDREF(*outScreen);
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return NS_OK;
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NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
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}
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NS_IMETHODIMP
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nsScreenManagerCocoa::GetPrimaryScreen (nsIScreen **outScreen)
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
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// the mainScreen is the screen with the "key window" (focus, I assume?)
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NSScreen *sc = [[NSScreen screens] objectAtIndex:0];
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*outScreen = ScreenForCocoaScreen(sc);
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NS_ADDREF(*outScreen);
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return NS_OK;
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NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
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}
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NS_IMETHODIMP
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nsScreenManagerCocoa::GetNumberOfScreens (uint32_t *aNumberOfScreens)
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
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NSArray *ss = [NSScreen screens];
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*aNumberOfScreens = [ss count];
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return NS_OK;
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NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
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}
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NS_IMETHODIMP
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nsScreenManagerCocoa::GetSystemDefaultScale(float *aDefaultScale)
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{
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*aDefaultScale = 1.0f;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsScreenManagerCocoa::ScreenForNativeWidget (void *nativeWidget, nsIScreen **outScreen)
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
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NSWindow *window = static_cast<NSWindow*>(nativeWidget);
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if (window) {
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nsIScreen *screen = ScreenForCocoaScreen([window screen]);
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*outScreen = screen;
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NS_ADDREF(*outScreen);
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return NS_OK;
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}
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*outScreen = nullptr;
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return NS_OK;
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NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
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}
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