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/* -*- 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"
using namespace mozilla;
NS_IMPL_ISUPPORTS(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
RefPtr<nsScreenCocoa> sc = new nsScreenCocoa(screen);
mScreenList.AppendElement(sc);
return sc.get();
}
NS_IMETHODIMP
nsScreenManagerCocoa::ScreenForId (uint32_t aId, nsIScreen **outScreen)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT
*outScreen = nullptr;
for (uint32_t i = 0; i < mScreenList.Length(); ++i) {
nsScreenCocoa* sc = mScreenList[i];
uint32_t id;
nsresult rv = sc->GetId(&id);
if (NS_SUCCEEDED(rv) && id == aId) {
*outScreen = sc;
NS_ADDREF(*outScreen);
return NS_OK;
}
}
return NS_ERROR_FAILURE;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
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(DesktopIntRect(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::GetSystemDefaultScale(float *aDefaultScale)
{
*aDefaultScale = 1.0f;
return NS_OK;
}
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;
}
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