The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/widget/xpwidgets/nsBaseScreen.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,85 @@
     1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
     1.5 + * vim: sw=2 ts=8 et :
     1.6 + */
     1.7 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.8 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.9 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
    1.10 +
    1.11 +#define MOZ_FATAL_ASSERTIONS_FOR_THREAD_SAFETY
    1.12 +
    1.13 +#include "nsBaseScreen.h"
    1.14 +
    1.15 +NS_IMPL_ISUPPORTS(nsBaseScreen, nsIScreen)
    1.16 +
    1.17 +nsBaseScreen::nsBaseScreen()
    1.18 +{
    1.19 +  for (uint32_t i = 0; i < nsIScreen::BRIGHTNESS_LEVELS; i++)
    1.20 +    mBrightnessLocks[i] = 0;
    1.21 +}
    1.22 +
    1.23 +nsBaseScreen::~nsBaseScreen() { }
    1.24 +
    1.25 +NS_IMETHODIMP
    1.26 +nsBaseScreen::GetRectDisplayPix(int32_t *outLeft,  int32_t *outTop,
    1.27 +                                int32_t *outWidth, int32_t *outHeight)
    1.28 +{
    1.29 +  return GetRect(outLeft, outTop, outWidth, outHeight);
    1.30 +}
    1.31 +
    1.32 +NS_IMETHODIMP
    1.33 +nsBaseScreen::GetAvailRectDisplayPix(int32_t *outLeft,  int32_t *outTop,
    1.34 +                                     int32_t *outWidth, int32_t *outHeight)
    1.35 +{
    1.36 +  return GetAvailRect(outLeft, outTop, outWidth, outHeight);
    1.37 +}
    1.38 +
    1.39 +NS_IMETHODIMP
    1.40 +nsBaseScreen::LockMinimumBrightness(uint32_t aBrightness)
    1.41 +{
    1.42 +  NS_ABORT_IF_FALSE(
    1.43 +    aBrightness < nsIScreen::BRIGHTNESS_LEVELS,
    1.44 +    "Invalid brightness level to lock");
    1.45 +  mBrightnessLocks[aBrightness]++;
    1.46 +  NS_ABORT_IF_FALSE(mBrightnessLocks[aBrightness] > 0,
    1.47 +    "Overflow after locking brightness level");
    1.48 +
    1.49 +  CheckMinimumBrightness();
    1.50 +
    1.51 +  return NS_OK;
    1.52 +}
    1.53 +
    1.54 +NS_IMETHODIMP
    1.55 +nsBaseScreen::UnlockMinimumBrightness(uint32_t aBrightness)
    1.56 +{
    1.57 +  NS_ABORT_IF_FALSE(
    1.58 +    aBrightness < nsIScreen::BRIGHTNESS_LEVELS,
    1.59 +    "Invalid brightness level to lock");
    1.60 +  NS_ABORT_IF_FALSE(mBrightnessLocks[aBrightness] > 0,
    1.61 +    "Unlocking a brightness level with no corresponding lock");
    1.62 +  mBrightnessLocks[aBrightness]--;
    1.63 +
    1.64 +  CheckMinimumBrightness();
    1.65 +
    1.66 +  return NS_OK;
    1.67 +}
    1.68 +
    1.69 +void
    1.70 +nsBaseScreen::CheckMinimumBrightness()
    1.71 +{
    1.72 +  uint32_t brightness = nsIScreen::BRIGHTNESS_LEVELS;
    1.73 +  for (int32_t i = nsIScreen::BRIGHTNESS_LEVELS - 1; i >=0; i--) {
    1.74 +    if (mBrightnessLocks[i] > 0) {
    1.75 +      brightness = i;
    1.76 +      break;
    1.77 +    }
    1.78 +  }
    1.79 +
    1.80 +  ApplyMinimumBrightness(brightness);
    1.81 +}
    1.82 +
    1.83 +NS_IMETHODIMP
    1.84 +nsBaseScreen::GetContentsScaleFactor(double* aContentsScaleFactor)
    1.85 +{
    1.86 +  *aContentsScaleFactor = 1.0;
    1.87 +  return NS_OK;
    1.88 +}