widget/xpwidgets/nsBaseScreen.cpp@44a2da4a2ab2 (annotated)
widget/xpwidgets/nsBaseScreen.cpp
Fri, 16 Jan 2015 04:50:19 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Fri, 16 Jan 2015 04:50:19 +0100
- branch
- TOR_BUG_9701
- changeset 13
- 44a2da4a2ab2
- permissions
- -rw-r--r--
Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
| michael@0 | 2 | * vim: sw=2 ts=8 et : |
| michael@0 | 3 | */ |
| michael@0 | 4 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 5 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 6 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 7 | |
| michael@0 | 8 | #define MOZ_FATAL_ASSERTIONS_FOR_THREAD_SAFETY |
| michael@0 | 9 | |
| michael@0 | 10 | #include "nsBaseScreen.h" |
| michael@0 | 11 | |
| michael@0 | 12 | NS_IMPL_ISUPPORTS(nsBaseScreen, nsIScreen) |
| michael@0 | 13 | |
| michael@0 | 14 | nsBaseScreen::nsBaseScreen() |
| michael@0 | 15 | { |
| michael@0 | 16 | for (uint32_t i = 0; i < nsIScreen::BRIGHTNESS_LEVELS; i++) |
| michael@0 | 17 | mBrightnessLocks[i] = 0; |
| michael@0 | 18 | } |
| michael@0 | 19 | |
| michael@0 | 20 | nsBaseScreen::~nsBaseScreen() { } |
| michael@0 | 21 | |
| michael@0 | 22 | NS_IMETHODIMP |
| michael@0 | 23 | nsBaseScreen::GetRectDisplayPix(int32_t *outLeft, int32_t *outTop, |
| michael@0 | 24 | int32_t *outWidth, int32_t *outHeight) |
| michael@0 | 25 | { |
| michael@0 | 26 | return GetRect(outLeft, outTop, outWidth, outHeight); |
| michael@0 | 27 | } |
| michael@0 | 28 | |
| michael@0 | 29 | NS_IMETHODIMP |
| michael@0 | 30 | nsBaseScreen::GetAvailRectDisplayPix(int32_t *outLeft, int32_t *outTop, |
| michael@0 | 31 | int32_t *outWidth, int32_t *outHeight) |
| michael@0 | 32 | { |
| michael@0 | 33 | return GetAvailRect(outLeft, outTop, outWidth, outHeight); |
| michael@0 | 34 | } |
| michael@0 | 35 | |
| michael@0 | 36 | NS_IMETHODIMP |
| michael@0 | 37 | nsBaseScreen::LockMinimumBrightness(uint32_t aBrightness) |
| michael@0 | 38 | { |
| michael@0 | 39 | NS_ABORT_IF_FALSE( |
| michael@0 | 40 | aBrightness < nsIScreen::BRIGHTNESS_LEVELS, |
| michael@0 | 41 | "Invalid brightness level to lock"); |
| michael@0 | 42 | mBrightnessLocks[aBrightness]++; |
| michael@0 | 43 | NS_ABORT_IF_FALSE(mBrightnessLocks[aBrightness] > 0, |
| michael@0 | 44 | "Overflow after locking brightness level"); |
| michael@0 | 45 | |
| michael@0 | 46 | CheckMinimumBrightness(); |
| michael@0 | 47 | |
| michael@0 | 48 | return NS_OK; |
| michael@0 | 49 | } |
| michael@0 | 50 | |
| michael@0 | 51 | NS_IMETHODIMP |
| michael@0 | 52 | nsBaseScreen::UnlockMinimumBrightness(uint32_t aBrightness) |
| michael@0 | 53 | { |
| michael@0 | 54 | NS_ABORT_IF_FALSE( |
| michael@0 | 55 | aBrightness < nsIScreen::BRIGHTNESS_LEVELS, |
| michael@0 | 56 | "Invalid brightness level to lock"); |
| michael@0 | 57 | NS_ABORT_IF_FALSE(mBrightnessLocks[aBrightness] > 0, |
| michael@0 | 58 | "Unlocking a brightness level with no corresponding lock"); |
| michael@0 | 59 | mBrightnessLocks[aBrightness]--; |
| michael@0 | 60 | |
| michael@0 | 61 | CheckMinimumBrightness(); |
| michael@0 | 62 | |
| michael@0 | 63 | return NS_OK; |
| michael@0 | 64 | } |
| michael@0 | 65 | |
| michael@0 | 66 | void |
| michael@0 | 67 | nsBaseScreen::CheckMinimumBrightness() |
| michael@0 | 68 | { |
| michael@0 | 69 | uint32_t brightness = nsIScreen::BRIGHTNESS_LEVELS; |
| michael@0 | 70 | for (int32_t i = nsIScreen::BRIGHTNESS_LEVELS - 1; i >=0; i--) { |
| michael@0 | 71 | if (mBrightnessLocks[i] > 0) { |
| michael@0 | 72 | brightness = i; |
| michael@0 | 73 | break; |
| michael@0 | 74 | } |
| michael@0 | 75 | } |
| michael@0 | 76 | |
| michael@0 | 77 | ApplyMinimumBrightness(brightness); |
| michael@0 | 78 | } |
| michael@0 | 79 | |
| michael@0 | 80 | NS_IMETHODIMP |
| michael@0 | 81 | nsBaseScreen::GetContentsScaleFactor(double* aContentsScaleFactor) |
| michael@0 | 82 | { |
| michael@0 | 83 | *aContentsScaleFactor = 1.0; |
| michael@0 | 84 | return NS_OK; |
| michael@0 | 85 | } |
