The Tor Browser: widget/cocoa/nsScreenCocoa.mm@7e26c7da4463

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #include "nsScreenCocoa.h"

     7 #include "nsObjCExceptions.h"

     8 #include "nsCocoaUtils.h"

    10 nsScreenCocoa::nsScreenCocoa (NSScreen *screen)

    11 {

    12   NS_OBJC_BEGIN_TRY_ABORT_BLOCK;

    14   mScreen = [screen retain];

    16   NS_OBJC_END_TRY_ABORT_BLOCK;

    17 }

    19 nsScreenCocoa::~nsScreenCocoa ()

    20 {

    21   NS_OBJC_BEGIN_TRY_ABORT_BLOCK;

    23   [mScreen release];

    25   NS_OBJC_END_TRY_ABORT_BLOCK;

    26 }

    28 NS_IMETHODIMP

    29 nsScreenCocoa::GetRect(int32_t *outX, int32_t *outY, int32_t *outWidth, int32_t *outHeight)

    30 {

    31   NSRect frame = [mScreen frame];

    33   nsIntRect r = nsCocoaUtils::CocoaRectToGeckoRectDevPix(frame, BackingScaleFactor());

    35   *outX = r.x;

    36   *outY = r.y;

    37   *outWidth = r.width;

    38   *outHeight = r.height;

    40   return NS_OK;

    41 }

    43 NS_IMETHODIMP

    44 nsScreenCocoa::GetAvailRect(int32_t *outX, int32_t *outY, int32_t *outWidth, int32_t *outHeight)

    45 {

    46   NSRect frame = [mScreen visibleFrame];

    48   nsIntRect r = nsCocoaUtils::CocoaRectToGeckoRectDevPix(frame, BackingScaleFactor());

    50   *outX = r.x;

    51   *outY = r.y;

    52   *outWidth = r.width;

    53   *outHeight = r.height;

    55   return NS_OK;

    56 }

    58 NS_IMETHODIMP

    59 nsScreenCocoa::GetRectDisplayPix(int32_t *outX, int32_t *outY, int32_t *outWidth, int32_t *outHeight)

    60 {

    61   NSRect frame = [mScreen frame];

    63   nsIntRect r = nsCocoaUtils::CocoaRectToGeckoRect(frame);

    65   *outX = r.x;

    66   *outY = r.y;

    67   *outWidth = r.width;

    68   *outHeight = r.height;

    70   return NS_OK;

    71 }

    73 NS_IMETHODIMP

    74 nsScreenCocoa::GetAvailRectDisplayPix(int32_t *outX, int32_t *outY, int32_t *outWidth, int32_t *outHeight)

    75 {

    76   NSRect frame = [mScreen visibleFrame];

    78   nsIntRect r = nsCocoaUtils::CocoaRectToGeckoRect(frame);

    80   *outX = r.x;

    81   *outY = r.y;

    82   *outWidth = r.width;

    83   *outHeight = r.height;

    85   return NS_OK;

    86 }

    88 NS_IMETHODIMP

    89 nsScreenCocoa::GetPixelDepth(int32_t *aPixelDepth)

    90 {

    91   NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;

    93   NSWindowDepth depth = [mScreen depth];

    94   int bpp = NSBitsPerPixelFromDepth(depth);

    96   *aPixelDepth = bpp;

    97   return NS_OK;

    99   NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;

   100 }

   102 NS_IMETHODIMP

   103 nsScreenCocoa::GetColorDepth(int32_t *aColorDepth)

   104 {

   105   NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;

   107   NSWindowDepth depth = [mScreen depth];

   108   int bpp = NSBitsPerPixelFromDepth (depth);

   110   *aColorDepth = bpp;

   111   return NS_OK;

   113   NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;

   114 }

   116 NS_IMETHODIMP

   117 nsScreenCocoa::GetContentsScaleFactor(double *aContentsScaleFactor)

   118 {

   119   NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;

   121   *aContentsScaleFactor = (double) BackingScaleFactor();

   122   return NS_OK;

   124   NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;

   125 }

   127 CGFloat

   128 nsScreenCocoa::BackingScaleFactor()

   129 {

   130   return nsCocoaUtils::GetBackingScaleFactor(mScreen);

   131 }

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