gecko-dev/widget/cocoa/nsScreenCocoa.mm

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2012-05-21 15:12:37 +04:00
/* 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 "nsScreenCocoa.h"
#include "nsObjCExceptions.h"
#include "nsCocoaUtils.h"
nsScreenCocoa::nsScreenCocoa (NSScreen *screen)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
mScreen = [screen retain];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
nsScreenCocoa::~nsScreenCocoa ()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
[mScreen release];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
NS_IMETHODIMP
nsScreenCocoa::GetRect(int32_t *outX, int32_t *outY, int32_t *outWidth, int32_t *outHeight)
{
NSRect frame = [mScreen frame];
nsIntRect r = nsCocoaUtils::CocoaRectToGeckoRectDevPix(frame, BackingScaleFactor());
*outX = r.x;
*outY = r.y;
*outWidth = r.width;
*outHeight = r.height;
return NS_OK;
}
NS_IMETHODIMP
nsScreenCocoa::GetAvailRect(int32_t *outX, int32_t *outY, int32_t *outWidth, int32_t *outHeight)
{
NSRect frame = [mScreen visibleFrame];
nsIntRect r = nsCocoaUtils::CocoaRectToGeckoRectDevPix(frame, BackingScaleFactor());
*outX = r.x;
*outY = r.y;
*outWidth = r.width;
*outHeight = r.height;
return NS_OK;
}
NS_IMETHODIMP
nsScreenCocoa::GetRectDisplayPix(int32_t *outX, int32_t *outY, int32_t *outWidth, int32_t *outHeight)
{
NSRect frame = [mScreen frame];
nsIntRect r = nsCocoaUtils::CocoaRectToGeckoRect(frame);
*outX = r.x;
*outY = r.y;
*outWidth = r.width;
*outHeight = r.height;
return NS_OK;
}
NS_IMETHODIMP
nsScreenCocoa::GetAvailRectDisplayPix(int32_t *outX, int32_t *outY, int32_t *outWidth, int32_t *outHeight)
{
NSRect frame = [mScreen visibleFrame];
nsIntRect r = nsCocoaUtils::CocoaRectToGeckoRect(frame);
*outX = r.x;
*outY = r.y;
*outWidth = r.width;
*outHeight = r.height;
return NS_OK;
}
NS_IMETHODIMP
nsScreenCocoa::GetPixelDepth(int32_t *aPixelDepth)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
NSWindowDepth depth = [mScreen depth];
int bpp = NSBitsPerPixelFromDepth(depth);
*aPixelDepth = bpp;
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP
nsScreenCocoa::GetColorDepth(int32_t *aColorDepth)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
NSWindowDepth depth = [mScreen depth];
int bpp = NSBitsPerPixelFromDepth (depth);
*aColorDepth = bpp;
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP
nsScreenCocoa::GetContentsScaleFactor(double *aContentsScaleFactor)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
*aContentsScaleFactor = (double) BackingScaleFactor();
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
CGFloat
nsScreenCocoa::BackingScaleFactor()
{
return nsCocoaUtils::GetBackingScaleFactor(mScreen);
}