зеркало из https://github.com/mozilla/gecko-dev.git
142 строки
4.6 KiB
C++
142 строки
4.6 KiB
C++
/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 2; -*- */
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/* vim: set sw=2 ts=8 et tw=80 : */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "Screen.h"
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#include "mozilla/dom/DOMTypes.h"
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#include "mozilla/Hal.h"
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#include "mozilla/StaticPrefs_layout.h"
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namespace mozilla::widget {
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NS_IMPL_ISUPPORTS(Screen, nsIScreen)
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static hal::ScreenOrientation EffectiveOrientation(
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hal::ScreenOrientation aOrientation, const LayoutDeviceIntRect& aRect) {
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if (aOrientation == hal::ScreenOrientation::None) {
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return aRect.Width() >= aRect.Height()
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? hal::ScreenOrientation::LandscapePrimary
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: hal::ScreenOrientation::PortraitPrimary;
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}
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return aOrientation;
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}
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Screen::Screen(LayoutDeviceIntRect aRect, LayoutDeviceIntRect aAvailRect,
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uint32_t aPixelDepth, uint32_t aColorDepth,
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DesktopToLayoutDeviceScale aContentsScale,
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CSSToLayoutDeviceScale aDefaultCssScale, float aDPI,
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hal::ScreenOrientation aOrientation,
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OrientationAngle aOrientationAngle)
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: mRect(aRect),
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mAvailRect(aAvailRect),
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mRectDisplayPix(RoundedToInt(aRect / aContentsScale)),
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mAvailRectDisplayPix(RoundedToInt(aAvailRect / aContentsScale)),
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mPixelDepth(aPixelDepth),
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mColorDepth(aColorDepth),
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mContentsScale(aContentsScale),
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mDefaultCssScale(aDefaultCssScale),
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mDPI(aDPI),
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mScreenOrientation(EffectiveOrientation(aOrientation, aRect)),
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mOrientationAngle(aOrientationAngle) {}
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Screen::Screen(const dom::ScreenDetails& aScreen)
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: mRect(aScreen.rect()),
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mAvailRect(aScreen.availRect()),
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mRectDisplayPix(aScreen.rectDisplayPix()),
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mAvailRectDisplayPix(aScreen.availRectDisplayPix()),
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mPixelDepth(aScreen.pixelDepth()),
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mColorDepth(aScreen.colorDepth()),
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mContentsScale(aScreen.contentsScaleFactor()),
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mDefaultCssScale(aScreen.defaultCSSScaleFactor()),
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mDPI(aScreen.dpi()),
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mScreenOrientation(aScreen.orientation()),
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mOrientationAngle(aScreen.orientationAngle()) {}
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Screen::Screen(const Screen& aOther)
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: mRect(aOther.mRect),
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mAvailRect(aOther.mAvailRect),
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mRectDisplayPix(aOther.mRectDisplayPix),
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mAvailRectDisplayPix(aOther.mAvailRectDisplayPix),
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mPixelDepth(aOther.mPixelDepth),
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mColorDepth(aOther.mColorDepth),
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mContentsScale(aOther.mContentsScale),
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mDefaultCssScale(aOther.mDefaultCssScale),
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mDPI(aOther.mDPI),
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mScreenOrientation(aOther.mScreenOrientation),
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mOrientationAngle(aOther.mOrientationAngle) {}
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dom::ScreenDetails Screen::ToScreenDetails() const {
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return dom::ScreenDetails(mRect, mRectDisplayPix, mAvailRect,
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mAvailRectDisplayPix, mPixelDepth, mColorDepth,
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mContentsScale, mDefaultCssScale, mDPI,
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mScreenOrientation, mOrientationAngle);
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}
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NS_IMETHODIMP
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Screen::GetRect(int32_t* aOutLeft, int32_t* aOutTop, int32_t* aOutWidth,
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int32_t* aOutHeight) {
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mRect.GetRect(aOutLeft, aOutTop, aOutWidth, aOutHeight);
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return NS_OK;
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}
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NS_IMETHODIMP
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Screen::GetRectDisplayPix(int32_t* aOutLeft, int32_t* aOutTop,
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int32_t* aOutWidth, int32_t* aOutHeight) {
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mRectDisplayPix.GetRect(aOutLeft, aOutTop, aOutWidth, aOutHeight);
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return NS_OK;
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}
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NS_IMETHODIMP
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Screen::GetAvailRect(int32_t* aOutLeft, int32_t* aOutTop, int32_t* aOutWidth,
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int32_t* aOutHeight) {
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mAvailRect.GetRect(aOutLeft, aOutTop, aOutWidth, aOutHeight);
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return NS_OK;
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}
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NS_IMETHODIMP
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Screen::GetAvailRectDisplayPix(int32_t* aOutLeft, int32_t* aOutTop,
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int32_t* aOutWidth, int32_t* aOutHeight) {
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mAvailRectDisplayPix.GetRect(aOutLeft, aOutTop, aOutWidth, aOutHeight);
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return NS_OK;
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}
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NS_IMETHODIMP
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Screen::GetPixelDepth(int32_t* aPixelDepth) {
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*aPixelDepth = mPixelDepth;
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return NS_OK;
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}
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NS_IMETHODIMP
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Screen::GetColorDepth(int32_t* aColorDepth) {
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*aColorDepth = mColorDepth;
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return NS_OK;
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}
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NS_IMETHODIMP
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Screen::GetContentsScaleFactor(double* aOutScale) {
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*aOutScale = mContentsScale.scale;
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return NS_OK;
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}
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NS_IMETHODIMP
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Screen::GetDefaultCSSScaleFactor(double* aOutScale) {
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double scale = StaticPrefs::layout_css_devPixelsPerPx();
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if (scale > 0.0) {
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*aOutScale = scale;
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} else {
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*aOutScale = mDefaultCssScale.scale;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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Screen::GetDpi(float* aDPI) {
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*aDPI = mDPI;
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return NS_OK;
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}
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} // namespace mozilla::widget
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