widget/nsBaseScreen.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * vim: sw=2 ts=8 et :
   3  */
   4 /* This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   7
   8 #define MOZ_FATAL_ASSERTIONS_FOR_THREAD_SAFETY
   9
  10 #include "nsBaseScreen.h"
  11
  12 NS_IMPL_ISUPPORTS(nsBaseScreen, nsIScreen)
  13
  14 nsBaseScreen::nsBaseScreen() {}
  15
  16 nsBaseScreen::~nsBaseScreen() {}
  17
  18 NS_IMETHODIMP
  19 nsBaseScreen::GetRectDisplayPix(int32_t *outLeft, int32_t *outTop,
  20                                 int32_t *outWidth, int32_t *outHeight) {
  21   return GetRect(outLeft, outTop, outWidth, outHeight);
  22 }
  23
  24 NS_IMETHODIMP
  25 nsBaseScreen::GetAvailRectDisplayPix(int32_t *outLeft, int32_t *outTop,
  26                                      int32_t *outWidth, int32_t *outHeight) {
  27   return GetAvailRect(outLeft, outTop, outWidth, outHeight);
  28 }
  29
  30 NS_IMETHODIMP
  31 nsBaseScreen::GetContentsScaleFactor(double *aContentsScaleFactor) {
  32   *aContentsScaleFactor = 1.0;
  33   return NS_OK;
  34 }
  35
  36 NS_IMETHODIMP
  37 nsBaseScreen::GetDefaultCSSScaleFactor(double *aScaleFactor) {
  38   *aScaleFactor = 1.0;
  39   return NS_OK;
  40 }
  41
  42 NS_IMETHODIMP
  43 nsBaseScreen::GetDpi(float *aDPI) {
  44   *aDPI = 96;
  45   return NS_OK;
  46 }