gecko-dev/layout/style/PreferenceSheet.cpp

101 строка
3.4 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#include "PreferenceSheet.h"
#include "ServoCSSParser.h"
#include "MainThreadUtils.h"
#include "mozilla/StaticPrefs.h"
#include "mozilla/LookAndFeel.h"
#include "mozilla/dom/Document.h"
#include "nsContentUtils.h"
using mozilla::dom::Document;
namespace mozilla {
bool PreferenceSheet::sInitialized;
PreferenceSheet::Prefs PreferenceSheet::sContentPrefs;
PreferenceSheet::Prefs PreferenceSheet::sChromePrefs;
static void GetColor(const char* aPrefName, nscolor& aColor) {
nsAutoString value;
Preferences::GetString(aPrefName, value);
if (value.IsEmpty()) {
return;
}
nscolor result;
if (!ServoCSSParser::ComputeColor(nullptr, NS_RGB(0, 0, 0), value, &result)) {
return;
}
aColor = result;
}
bool PreferenceSheet::ShouldUseChromePrefs(const Document& aDoc) {
return aDoc.IsInChromeDocShell() ||
(aDoc.IsBeingUsedAsImage() && aDoc.IsDocumentURISchemeChrome());
}
static bool UseAccessibilityTheme(bool aIsChrome) {
return !aIsChrome &&
!!LookAndFeel::GetInt(LookAndFeel::eIntID_UseAccessibilityTheme, 0);
}
void PreferenceSheet::Prefs::Load(bool aIsChrome) {
*this = {};
mIsChrome = aIsChrome;
mUseAccessibilityTheme = UseAccessibilityTheme(aIsChrome);
mUnderlineLinks = StaticPrefs::browser_underline_anchors();
mUseFocusColors = StaticPrefs::browser_display_use_focus_colors();
mFocusRingWidth = StaticPrefs::browser_display_focus_ring_width();
mFocusRingStyle = StaticPrefs::browser_display_focus_ring_style();
mFocusRingOnAnything = StaticPrefs::browser_display_focus_ring_on_anything();
const bool usePrefColors = !aIsChrome && !mUseAccessibilityTheme &&
!StaticPrefs::browser_display_use_system_colors();
if (nsContentUtils::UseStandinsForNativeColors()) {
mDefaultColor = LookAndFeel::GetColorUsingStandins(
LookAndFeel::eColorID_windowtext, mDefaultColor);
mDefaultBackgroundColor = LookAndFeel::GetColorUsingStandins(
LookAndFeel::eColorID_window, mDefaultBackgroundColor);
} else if (usePrefColors) {
GetColor("browser.display.background_color", mDefaultBackgroundColor);
GetColor("browser.display.foreground_color", mDefaultColor);
} else {
mDefaultColor = LookAndFeel::GetColor(
LookAndFeel::eColorID_WindowForeground, mDefaultColor);
mDefaultBackgroundColor = LookAndFeel::GetColor(
LookAndFeel::eColorID_WindowBackground, mDefaultBackgroundColor);
}
GetColor("browser.anchor_color", mLinkColor);
GetColor("browser.active_color", mActiveLinkColor);
GetColor("browser.visited_color", mVisitedLinkColor);
GetColor("browser.display.focus_text_color", mFocusTextColor);
GetColor("browser.display.focus_background_color", mFocusBackgroundColor);
// Wherever we got the default background color from, ensure it is
// opaque.
mDefaultBackgroundColor =
NS_ComposeColors(NS_RGB(0xFF, 0xFF, 0xFF), mDefaultBackgroundColor);
}
void PreferenceSheet::Initialize() {
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(!sInitialized);
sInitialized = true;
sContentPrefs.Load(false);
sChromePrefs.Load(true);
}
} // namespace mozilla