зеркало из https://github.com/mozilla/gecko-dev.git
520 строки
15 KiB
C++
520 строки
15 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 "mozilla/dom/ContentChild.h"
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#include "nsStyleConsts.h"
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#include "nsXULAppAPI.h"
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#include "nsLookAndFeel.h"
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#include "gfxFont.h"
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#include "gfxFontConstants.h"
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#include "mozilla/FontPropertyTypes.h"
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#include "mozilla/gfx/2D.h"
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#include "mozilla/java/GeckoAppShellWrappers.h"
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#include "mozilla/java/GeckoRuntimeWrappers.h"
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#include "mozilla/java/GeckoSystemStateListenerWrappers.h"
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using namespace mozilla;
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using mozilla::dom::ContentChild;
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static const char16_t UNICODE_BULLET = 0x2022;
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nsLookAndFeel::nsLookAndFeel() : nsXPLookAndFeel() {}
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nsLookAndFeel::~nsLookAndFeel() {}
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#define BG_PRELIGHT_COLOR NS_RGB(0xee, 0xee, 0xee)
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#define FG_PRELIGHT_COLOR NS_RGB(0x77, 0x77, 0x77)
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#define BLACK_COLOR NS_RGB(0x00, 0x00, 0x00)
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#define DARK_GRAY_COLOR NS_RGB(0x40, 0x40, 0x40)
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#define GRAY_COLOR NS_RGB(0x80, 0x80, 0x80)
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#define LIGHT_GRAY_COLOR NS_RGB(0xa0, 0xa0, 0xa0)
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#define RED_COLOR NS_RGB(0xff, 0x00, 0x00)
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nsresult nsLookAndFeel::GetSystemColors() {
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if (!jni::IsAvailable()) {
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return NS_ERROR_FAILURE;
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}
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auto arr = java::GeckoAppShell::GetSystemColors();
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if (!arr) {
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return NS_ERROR_FAILURE;
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}
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JNIEnv* const env = arr.Env();
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uint32_t len = static_cast<uint32_t>(env->GetArrayLength(arr.Get()));
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jint* elements = env->GetIntArrayElements(arr.Get(), 0);
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uint32_t colorsCount = sizeof(AndroidSystemColors) / sizeof(nscolor);
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if (len < colorsCount) colorsCount = len;
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// Convert Android colors to nscolor by switching R and B in the ARGB 32 bit
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// value
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nscolor* colors = (nscolor*)&mSystemColors;
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for (uint32_t i = 0; i < colorsCount; i++) {
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uint32_t androidColor = static_cast<uint32_t>(elements[i]);
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uint8_t r = (androidColor & 0x00ff0000) >> 16;
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uint8_t b = (androidColor & 0x000000ff);
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colors[i] = (androidColor & 0xff00ff00) | (b << 16) | r;
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}
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env->ReleaseIntArrayElements(arr.Get(), elements, 0);
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return NS_OK;
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}
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void nsLookAndFeel::NativeInit() {
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EnsureInitSystemColors();
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EnsureInitShowPassword();
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RecordTelemetry();
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}
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/* virtual */
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void nsLookAndFeel::RefreshImpl() {
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nsXPLookAndFeel::RefreshImpl();
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mInitializedSystemColors = false;
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mInitializedShowPassword = false;
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mPrefersReducedMotionCached = false;
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mSystemUsesDarkThemeCached = false;
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}
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nsresult nsLookAndFeel::NativeGetColor(ColorID aID, nscolor& aColor) {
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nsresult rv = NS_OK;
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EnsureInitSystemColors();
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if (!mInitializedSystemColors) {
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// Failure to initialize colors is an error condition. Return black.
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aColor = 0;
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return NS_ERROR_FAILURE;
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}
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// XXX we'll want to use context.obtainStyledAttributes on the java side to
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// get all of these; see TextView.java for a good exmaple.
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switch (aID) {
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// These colors don't seem to be used for anything anymore in Mozilla
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// (except here at least TextSelectBackground and TextSelectForeground)
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// The CSS2 colors below are used.
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case ColorID::WindowBackground:
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aColor = NS_RGB(0xFF, 0xFF, 0xFF);
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break;
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case ColorID::WindowForeground:
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aColor = mSystemColors.textColorPrimary;
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break;
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case ColorID::WidgetBackground:
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aColor = mSystemColors.colorBackground;
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break;
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case ColorID::WidgetForeground:
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aColor = mSystemColors.colorForeground;
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break;
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case ColorID::WidgetSelectBackground:
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aColor = mSystemColors.textColorHighlight;
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break;
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case ColorID::WidgetSelectForeground:
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aColor = mSystemColors.textColorPrimaryInverse;
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break;
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case ColorID::Widget3DHighlight:
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aColor = LIGHT_GRAY_COLOR;
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break;
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case ColorID::Widget3DShadow:
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aColor = DARK_GRAY_COLOR;
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break;
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case ColorID::TextBackground:
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// not used?
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aColor = mSystemColors.colorBackground;
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break;
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case ColorID::TextForeground:
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// not used?
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aColor = mSystemColors.textColorPrimary;
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break;
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case ColorID::TextSelectBackground:
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/* matched to action_accent in java codebase */
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aColor = NS_RGBA(10, 132, 255, 153);
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break;
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case ColorID::TextSelectForeground:
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aColor = NS_RGB(0, 0, 0);
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break;
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case ColorID::IMESelectedRawTextBackground:
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case ColorID::IMESelectedConvertedTextBackground:
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// still used
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aColor = mSystemColors.textColorHighlight;
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break;
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case ColorID::IMESelectedRawTextForeground:
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case ColorID::IMESelectedConvertedTextForeground:
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// still used
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aColor = mSystemColors.textColorPrimaryInverse;
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break;
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case ColorID::IMERawInputBackground:
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case ColorID::IMEConvertedTextBackground:
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aColor = NS_TRANSPARENT;
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break;
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case ColorID::IMERawInputForeground:
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case ColorID::IMEConvertedTextForeground:
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aColor = NS_SAME_AS_FOREGROUND_COLOR;
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break;
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case ColorID::IMERawInputUnderline:
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case ColorID::IMEConvertedTextUnderline:
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aColor = NS_SAME_AS_FOREGROUND_COLOR;
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break;
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case ColorID::IMESelectedRawTextUnderline:
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case ColorID::IMESelectedConvertedTextUnderline:
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aColor = NS_TRANSPARENT;
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break;
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case ColorID::SpellCheckerUnderline:
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aColor = RED_COLOR;
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break;
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// css2 http://www.w3.org/TR/REC-CSS2/ui.html#system-colors
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case ColorID::Activeborder:
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// active window border
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aColor = mSystemColors.colorBackground;
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break;
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case ColorID::Activecaption:
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// active window caption background
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aColor = mSystemColors.colorBackground;
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break;
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case ColorID::Appworkspace:
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// MDI background color
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aColor = mSystemColors.colorBackground;
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break;
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case ColorID::Background:
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// desktop background
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aColor = mSystemColors.colorBackground;
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break;
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case ColorID::Graytext:
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// disabled text in windows, menus, etc.
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aColor = NS_RGB(0xb1, 0xa5, 0x98);
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break;
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case ColorID::MozCellhighlight:
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case ColorID::MozHtmlCellhighlight:
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case ColorID::Highlight:
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// background of selected item
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aColor = NS_RGB(0xfa, 0xd1, 0x84);
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break;
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case ColorID::MozCellhighlighttext:
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case ColorID::MozHtmlCellhighlighttext:
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case ColorID::Highlighttext:
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case ColorID::Fieldtext:
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aColor = NS_RGB(0x1a, 0x1a, 0x1a);
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break;
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case ColorID::Inactiveborder:
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// inactive window border
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aColor = mSystemColors.colorBackground;
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break;
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case ColorID::Inactivecaption:
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// inactive window caption
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aColor = mSystemColors.colorBackground;
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break;
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case ColorID::Inactivecaptiontext:
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// text in inactive window caption
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aColor = mSystemColors.textColorTertiary;
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break;
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case ColorID::Infobackground:
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aColor = NS_RGB(0xf5, 0xf5, 0xb5);
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break;
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case ColorID::Infotext:
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aColor = BLACK_COLOR;
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break;
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case ColorID::Menu:
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aColor = NS_RGB(0xf7, 0xf5, 0xf3);
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break;
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case ColorID::Scrollbar:
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// scrollbar gray area
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aColor = mSystemColors.colorBackground;
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break;
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case ColorID::Threedface:
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case ColorID::Buttonface:
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case ColorID::Threedlightshadow:
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aColor = NS_RGB(0xec, 0xe7, 0xe2);
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break;
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case ColorID::Buttonhighlight:
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case ColorID::Field:
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case ColorID::Threedhighlight:
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case ColorID::MozCombobox:
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case ColorID::MozEventreerow:
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aColor = NS_RGB(0xff, 0xff, 0xff);
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break;
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case ColorID::Buttonshadow:
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case ColorID::Threedshadow:
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aColor = NS_RGB(0xae, 0xa1, 0x94);
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break;
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case ColorID::Threeddarkshadow:
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// 3-D shadow outer edge color
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aColor = BLACK_COLOR;
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break;
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case ColorID::MozDialog:
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case ColorID::Window:
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case ColorID::Windowframe:
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aColor = NS_RGB(0xef, 0xeb, 0xe7);
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break;
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case ColorID::Buttontext:
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case ColorID::Captiontext:
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case ColorID::Menutext:
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case ColorID::MozButtonhovertext:
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case ColorID::MozDialogtext:
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case ColorID::MozComboboxtext:
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case ColorID::Windowtext:
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case ColorID::MozColheadertext:
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case ColorID::MozColheaderhovertext:
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aColor = NS_RGB(0x10, 0x10, 0x10);
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break;
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case ColorID::MozDragtargetzone:
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aColor = mSystemColors.textColorHighlight;
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break;
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case ColorID::MozButtondefault:
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// default button border color
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aColor = BLACK_COLOR;
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break;
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case ColorID::MozButtonhoverface:
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aColor = NS_RGB(0xf3, 0xf0, 0xed);
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break;
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case ColorID::MozMenuhover:
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aColor = BG_PRELIGHT_COLOR;
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break;
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case ColorID::MozMenuhovertext:
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aColor = FG_PRELIGHT_COLOR;
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break;
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case ColorID::MozOddtreerow:
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aColor = NS_TRANSPARENT;
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break;
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case ColorID::MozNativehyperlinktext:
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aColor = NS_SAME_AS_FOREGROUND_COLOR;
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break;
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case ColorID::MozMenubartext:
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aColor = mSystemColors.colorForeground;
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break;
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case ColorID::MozMenubarhovertext:
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aColor = FG_PRELIGHT_COLOR;
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break;
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default:
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/* default color is BLACK */
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aColor = 0;
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rv = NS_ERROR_FAILURE;
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break;
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}
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return rv;
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}
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nsresult nsLookAndFeel::GetIntImpl(IntID aID, int32_t& aResult) {
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nsresult rv = nsXPLookAndFeel::GetIntImpl(aID, aResult);
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if (NS_SUCCEEDED(rv)) return rv;
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rv = NS_OK;
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switch (aID) {
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case IntID::CaretBlinkTime:
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aResult = 500;
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break;
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case IntID::CaretWidth:
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aResult = 1;
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break;
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case IntID::ShowCaretDuringSelection:
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aResult = 0;
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break;
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case IntID::SelectTextfieldsOnKeyFocus:
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// Select textfield content when focused by kbd
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// used by EventStateManager::sTextfieldSelectModel
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aResult = 1;
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break;
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case IntID::SubmenuDelay:
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aResult = 200;
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break;
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case IntID::TooltipDelay:
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aResult = 500;
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break;
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case IntID::MenusCanOverlapOSBar:
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// we want XUL popups to be able to overlap the task bar.
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aResult = 1;
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break;
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case IntID::ScrollArrowStyle:
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aResult = eScrollArrowStyle_Single;
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break;
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case IntID::ScrollSliderStyle:
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aResult = eScrollThumbStyle_Proportional;
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break;
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case IntID::TouchEnabled:
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aResult = 1;
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break;
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case IntID::WindowsDefaultTheme:
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case IntID::WindowsThemeIdentifier:
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case IntID::OperatingSystemVersionIdentifier:
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aResult = 0;
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rv = NS_ERROR_NOT_IMPLEMENTED;
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break;
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case IntID::SpellCheckerUnderlineStyle:
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aResult = NS_STYLE_TEXT_DECORATION_STYLE_WAVY;
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break;
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case IntID::ScrollbarButtonAutoRepeatBehavior:
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aResult = 0;
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break;
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case IntID::ContextMenuOffsetVertical:
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case IntID::ContextMenuOffsetHorizontal:
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aResult = 2;
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break;
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case IntID::PrefersReducedMotion:
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if (!mPrefersReducedMotionCached && XRE_IsParentProcess()) {
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mPrefersReducedMotion =
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java::GeckoSystemStateListener::PrefersReducedMotion();
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mPrefersReducedMotionCached = true;
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}
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aResult = mPrefersReducedMotion;
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break;
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case IntID::PrimaryPointerCapabilities:
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aResult = java::GeckoAppShell::GetPrimaryPointerCapabilities();
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break;
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case IntID::AllPointerCapabilities:
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aResult = java::GeckoAppShell::GetAllPointerCapabilities();
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break;
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case IntID::SystemUsesDarkTheme: {
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if (!mSystemUsesDarkThemeCached && XRE_IsParentProcess()) {
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// Bail out if AndroidBridge hasn't initialized since we try to query
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// this value via nsMediaFeatures::InitSystemMetrics without
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// initializing AndroidBridge on xpcshell tests.
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if (!jni::IsAvailable()) {
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return NS_ERROR_FAILURE;
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}
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java::GeckoRuntime::LocalRef runtime =
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java::GeckoRuntime::GetInstance();
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mSystemUsesDarkTheme = runtime && runtime->UsesDarkTheme();
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mSystemUsesDarkThemeCached = true;
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}
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aResult = mSystemUsesDarkTheme;
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break;
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}
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case IntID::DragThresholdX:
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case IntID::DragThresholdY:
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// Threshold where a tap becomes a drag, in 1/240" reference pixels.
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aResult = 25;
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break;
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default:
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aResult = 0;
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rv = NS_ERROR_FAILURE;
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}
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return rv;
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}
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nsresult nsLookAndFeel::GetFloatImpl(FloatID aID, float& aResult) {
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nsresult rv = nsXPLookAndFeel::GetFloatImpl(aID, aResult);
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if (NS_SUCCEEDED(rv)) return rv;
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rv = NS_OK;
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switch (aID) {
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case FloatID::IMEUnderlineRelativeSize:
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aResult = 1.0f;
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break;
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case FloatID::SpellCheckerUnderlineRelativeSize:
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aResult = 1.0f;
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break;
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default:
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aResult = -1.0;
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rv = NS_ERROR_FAILURE;
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break;
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}
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return rv;
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}
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/*virtual*/
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bool nsLookAndFeel::GetFontImpl(FontID aID, nsString& aFontName,
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gfxFontStyle& aFontStyle) {
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aFontName.AssignLiteral("\"Roboto\"");
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aFontStyle.style = FontSlantStyle::Normal();
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aFontStyle.weight = FontWeight::Normal();
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aFontStyle.stretch = FontStretch::Normal();
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aFontStyle.size = 9.0 * 96.0f / 72.0f;
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aFontStyle.systemFont = true;
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return true;
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}
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/*virtual*/
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bool nsLookAndFeel::GetEchoPasswordImpl() {
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EnsureInitShowPassword();
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return mShowPassword;
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}
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uint32_t nsLookAndFeel::GetPasswordMaskDelayImpl() {
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// This value is hard-coded in Android OS's PasswordTransformationMethod.java
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return 1500;
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}
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/* virtual */
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char16_t nsLookAndFeel::GetPasswordCharacterImpl() {
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// This value is hard-coded in Android OS's PasswordTransformationMethod.java
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return UNICODE_BULLET;
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}
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void nsLookAndFeel::EnsureInitSystemColors() {
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if (!mInitializedSystemColors) {
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mInitializedSystemColors = NS_SUCCEEDED(GetSystemColors());
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}
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}
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void nsLookAndFeel::EnsureInitShowPassword() {
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if (!mInitializedShowPassword && jni::IsAvailable()) {
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mShowPassword = java::GeckoAppShell::GetShowPasswordSetting();
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mInitializedShowPassword = true;
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}
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}
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widget::LookAndFeelCache nsLookAndFeel::GetCacheImpl() {
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LookAndFeelCache cache = nsXPLookAndFeel::GetCacheImpl();
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const IntID kIdsToCache[] = {IntID::PrefersReducedMotion,
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IntID::SystemUsesDarkTheme};
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for (IntID id : kIdsToCache) {
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cache.mInts().AppendElement(LookAndFeelInt(id, GetInt(id)));
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}
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return cache;
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}
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void nsLookAndFeel::SetCacheImpl(const LookAndFeelCache& aCache) {
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for (const auto& entry : aCache.mInts()) {
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switch (entry.id()) {
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case IntID::PrefersReducedMotion:
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mPrefersReducedMotion = entry.value();
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mPrefersReducedMotionCached = true;
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break;
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case IntID::SystemUsesDarkTheme:
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mSystemUsesDarkTheme = !!entry.value();
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mSystemUsesDarkThemeCached = true;
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break;
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default:
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MOZ_ASSERT_UNREACHABLE("Bogus Int ID in cache");
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break;
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}
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}
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}
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