The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/widget/cocoa/nsScreenManagerCocoa.mm	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,123 @@
     1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#include "nsScreenManagerCocoa.h"
    1.10 +#include "nsObjCExceptions.h"
    1.11 +#include "nsCOMPtr.h"
    1.12 +#include "nsCocoaUtils.h"
    1.13 +
    1.14 +NS_IMPL_ISUPPORTS(nsScreenManagerCocoa, nsIScreenManager)
    1.15 +
    1.16 +nsScreenManagerCocoa::nsScreenManagerCocoa()
    1.17 +{
    1.18 +}
    1.19 +
    1.20 +nsScreenManagerCocoa::~nsScreenManagerCocoa()
    1.21 +{
    1.22 +}
    1.23 +
    1.24 +nsScreenCocoa*
    1.25 +nsScreenManagerCocoa::ScreenForCocoaScreen(NSScreen *screen)
    1.26 +{
    1.27 +    for (uint32_t i = 0; i < mScreenList.Length(); ++i) {
    1.28 +        nsScreenCocoa* sc = mScreenList[i];
    1.29 +        if (sc->CocoaScreen() == screen) {
    1.30 +            // doesn't addref
    1.31 +            return sc;
    1.32 +        }
    1.33 +    }
    1.34 +
    1.35 +    // didn't find it; create and insert
    1.36 +    nsRefPtr<nsScreenCocoa> sc = new nsScreenCocoa(screen);
    1.37 +    mScreenList.AppendElement(sc);
    1.38 +    return sc.get();
    1.39 +}
    1.40 +
    1.41 +NS_IMETHODIMP
    1.42 +nsScreenManagerCocoa::ScreenForRect (int32_t aX, int32_t aY, int32_t aWidth, int32_t aHeight,
    1.43 +                                     nsIScreen **outScreen)
    1.44 +{
    1.45 +    NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
    1.46 +
    1.47 +    NSEnumerator *screenEnum = [[NSScreen screens] objectEnumerator];
    1.48 +    NSRect inRect = nsCocoaUtils::GeckoRectToCocoaRect(nsIntRect(aX, aY, aWidth, aHeight));
    1.49 +    NSScreen *screenWindowIsOn = [NSScreen mainScreen];
    1.50 +    float greatestArea = 0;
    1.51 +
    1.52 +    while (NSScreen *screen = [screenEnum nextObject]) {
    1.53 +        NSDictionary *desc = [screen deviceDescription];
    1.54 +        if ([desc objectForKey:NSDeviceIsScreen] == nil)
    1.55 +            continue;
    1.56 +
    1.57 +        NSRect r = NSIntersectionRect([screen frame], inRect);
    1.58 +        float area = r.size.width * r.size.height;
    1.59 +        if (area > greatestArea) {
    1.60 +            greatestArea = area;
    1.61 +            screenWindowIsOn = screen;
    1.62 +        }
    1.63 +    }
    1.64 +
    1.65 +    *outScreen = ScreenForCocoaScreen(screenWindowIsOn);
    1.66 +    NS_ADDREF(*outScreen);
    1.67 +    return NS_OK;
    1.68 +
    1.69 +    NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
    1.70 +}
    1.71 +
    1.72 +NS_IMETHODIMP
    1.73 +nsScreenManagerCocoa::GetPrimaryScreen (nsIScreen **outScreen)
    1.74 +{
    1.75 +    NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
    1.76 +
    1.77 +    // the mainScreen is the screen with the "key window" (focus, I assume?)
    1.78 +    NSScreen *sc = [[NSScreen screens] objectAtIndex:0];
    1.79 +
    1.80 +    *outScreen = ScreenForCocoaScreen(sc);
    1.81 +    NS_ADDREF(*outScreen);
    1.82 +
    1.83 +    return NS_OK;
    1.84 +
    1.85 +    NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
    1.86 +}
    1.87 +
    1.88 +NS_IMETHODIMP
    1.89 +nsScreenManagerCocoa::GetNumberOfScreens (uint32_t *aNumberOfScreens)
    1.90 +{
    1.91 +    NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
    1.92 +
    1.93 +    NSArray *ss = [NSScreen screens];
    1.94 +
    1.95 +    *aNumberOfScreens = [ss count];
    1.96 +
    1.97 +    return NS_OK;
    1.98 +
    1.99 +    NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
   1.100 +}
   1.101 +
   1.102 +NS_IMETHODIMP
   1.103 +nsScreenManagerCocoa::GetSystemDefaultScale(float *aDefaultScale)
   1.104 +{
   1.105 +    *aDefaultScale = 1.0f;
   1.106 +    return NS_OK;
   1.107 +}
   1.108 +
   1.109 +NS_IMETHODIMP
   1.110 +nsScreenManagerCocoa::ScreenForNativeWidget (void *nativeWidget, nsIScreen **outScreen)
   1.111 +{
   1.112 +    NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
   1.113 +
   1.114 +    NSWindow *window = static_cast<NSWindow*>(nativeWidget);
   1.115 +    if (window) {
   1.116 +        nsIScreen *screen = ScreenForCocoaScreen([window screen]);
   1.117 +        *outScreen = screen;
   1.118 +        NS_ADDREF(*outScreen);
   1.119 +        return NS_OK;
   1.120 +    }
   1.121 +
   1.122 +    *outScreen = nullptr;
   1.123 +    return NS_OK;
   1.124 +
   1.125 +    NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
   1.126 +}