gecko-dev/widget/nsBaseScreen.cpp
Samael Wang 3810bc3903 Bug 1350643 - Part 3: Add GetDPI to nsIScreen & ScreenDetails. r=kanru
MozReview-Commit-ID: HEFyuYV26Wy

--HG--
extra : rebase_source : fb172f4ba99ab7119036ddf4ec1b3eeeaead186c
2017-06-06 18:09:34 +08:00

54 lines
1.2 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=8 et :
*/
/* 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/. */
#define MOZ_FATAL_ASSERTIONS_FOR_THREAD_SAFETY
#include "nsBaseScreen.h"
NS_IMPL_ISUPPORTS(nsBaseScreen, nsIScreen)
nsBaseScreen::nsBaseScreen()
{
}
nsBaseScreen::~nsBaseScreen() { }
NS_IMETHODIMP
nsBaseScreen::GetRectDisplayPix(int32_t *outLeft, int32_t *outTop,
int32_t *outWidth, int32_t *outHeight)
{
return GetRect(outLeft, outTop, outWidth, outHeight);
}
NS_IMETHODIMP
nsBaseScreen::GetAvailRectDisplayPix(int32_t *outLeft, int32_t *outTop,
int32_t *outWidth, int32_t *outHeight)
{
return GetAvailRect(outLeft, outTop, outWidth, outHeight);
}
NS_IMETHODIMP
nsBaseScreen::GetContentsScaleFactor(double* aContentsScaleFactor)
{
*aContentsScaleFactor = 1.0;
return NS_OK;
}
NS_IMETHODIMP
nsBaseScreen::GetDefaultCSSScaleFactor(double* aScaleFactor)
{
*aScaleFactor = 1.0;
return NS_OK;
}
NS_IMETHODIMP
nsBaseScreen::GetDpi(float* aDPI)
{
*aDPI = 96;
return NS_OK;
}