widget/headless/HeadlessLookAndFeelGTK.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "HeadlessLookAndFeel.h"
   8 #include "mozilla/FontPropertyTypes.h"
   9 #include "nsIContent.h"
  10
  11 namespace mozilla::widget {
  12
  13 static const char16_t UNICODE_BULLET = 0x2022;
  14
  15 HeadlessLookAndFeel::HeadlessLookAndFeel() = default;
  16
  17 HeadlessLookAndFeel::~HeadlessLookAndFeel() = default;
  18
  19 nsresult HeadlessLookAndFeel::NativeGetColor(ColorID aID, ColorScheme aScheme,
  20                                              nscolor& aResult) {
  21   aResult = GetStandinForNativeColor(aID, aScheme);
  22   return NS_OK;
  23 }
  24
  25 nsresult HeadlessLookAndFeel::NativeGetInt(IntID aID, int32_t& aResult) {
  26   nsresult res = NS_OK;
  27   // These values should be sane defaults for headless mode under GTK.
  28   switch (aID) {
  29     case IntID::CaretBlinkTime:
  30       aResult = 567;
  31       break;
  32     case IntID::CaretWidth:
  33       aResult = 1;
  34       break;
  35     case IntID::SelectTextfieldsOnKeyFocus:
  36       aResult = 1;
  37       break;
  38     case IntID::SubmenuDelay:
  39       aResult = 200;
  40       break;
  41     case IntID::MenusCanOverlapOSBar:
  42       aResult = 0;
  43       break;
  44     case IntID::UseOverlayScrollbars:
  45       aResult = 0;
  46       break;
  47     case IntID::AllowOverlayScrollbarsOverlap:
  48       aResult = 0;
  49       break;
  50     case IntID::SkipNavigatingDisabledMenuItem:
  51       aResult = 1;
  52       break;
  53     case IntID::DragThresholdX:
  54     case IntID::DragThresholdY:
  55       aResult = 4;
  56       break;
  57     case IntID::UseAccessibilityTheme:
  58       aResult = 0;
  59       break;
  60     case IntID::ScrollArrowStyle:
  61       aResult = eScrollArrow_None;
  62       break;
  63     case IntID::ScrollButtonLeftMouseButtonAction:
  64       aResult = 0;
  65       return NS_OK;
  66     case IntID::ScrollButtonMiddleMouseButtonAction:
  67       aResult = 3;
  68       return NS_OK;
  69     case IntID::ScrollButtonRightMouseButtonAction:
  70       aResult = 3;
  71       return NS_OK;
  72     case IntID::TreeOpenDelay:
  73       aResult = 1000;
  74       break;
  75     case IntID::TreeCloseDelay:
  76       aResult = 1000;
  77       break;
  78     case IntID::TreeLazyScrollDelay:
  79       aResult = 150;
  80       break;
  81     case IntID::TreeScrollDelay:
  82       aResult = 100;
  83       break;
  84     case IntID::TreeScrollLinesMax:
  85       aResult = 3;
  86       break;
  87     case IntID::ChosenMenuItemsShouldBlink:
  88       aResult = 1;
  89       break;
  90     case IntID::WindowsAccentColorInTitlebar:
  91       aResult = 0;
  92       res = NS_ERROR_NOT_IMPLEMENTED;
  93       break;
  94     case IntID::AlertNotificationOrigin:
  95       aResult = NS_ALERT_TOP;
  96       break;
  97     case IntID::ScrollToClick:
  98       aResult = 0;
  99       break;
 100     case IntID::IMERawInputUnderlineStyle:
 101     case IntID::IMESelectedRawTextUnderlineStyle:
 102     case IntID::IMEConvertedTextUnderlineStyle:
 103     case IntID::IMESelectedConvertedTextUnderline:
 104       aResult = static_cast<int32_t>(StyleTextDecorationStyle::Solid);
 105       break;
 106     case IntID::SpellCheckerUnderlineStyle:
 107       aResult = static_cast<int32_t>(StyleTextDecorationStyle::Dotted);
 108       break;
 109     case IntID::MenuBarDrag:
 110       aResult = 0;
 111       break;
 112     case IntID::ScrollbarButtonAutoRepeatBehavior:
 113       aResult = 0;
 114       break;
 115     case IntID::SwipeAnimationEnabled:
 116       aResult = 0;
 117       break;
 118     case IntID::ScrollbarDisplayOnMouseMove:
 119       aResult = 0;
 120       break;
 121     case IntID::ScrollbarFadeBeginDelay:
 122       aResult = 0;
 123       break;
 124     case IntID::ScrollbarFadeDuration:
 125       aResult = 0;
 126       break;
 127     case IntID::ContextMenuOffsetVertical:
 128       aResult = -6;
 129       break;
 130     case IntID::ContextMenuOffsetHorizontal:
 131       aResult = 1;
 132       break;
 133     case IntID::GTKCSDAvailable:
 134       aResult = 0;
 135       break;
 136     case IntID::GTKCSDMinimizeButton:
 137       aResult = 0;
 138       break;
 139     case IntID::GTKCSDMaximizeButton:
 140       aResult = 0;
 141       break;
 142     case IntID::GTKCSDCloseButton:
 143       aResult = 1;
 144       break;
 145     case IntID::GTKCSDReversedPlacement:
 146       aResult = 0;
 147       break;
 148     case IntID::SystemUsesDarkTheme:
 149       aResult = 0;
 150       break;
 151     case IntID::PrefersReducedMotion:
 152     case IntID::PrefersReducedTransparency:
 153       aResult = 0;
 154       break;
 155     case IntID::InvertedColors:
 156       aResult = 0;
 157       break;
 158     case IntID::PrimaryPointerCapabilities:
 159       aResult = 0;
 160       break;
 161     case IntID::AllPointerCapabilities:
 162       aResult = 0;
 163       break;
 164     default:
 165       aResult = 0;
 166       res = NS_ERROR_FAILURE;
 167       break;
 168   }
 169   return res;
 170 }
 171
 172 nsresult HeadlessLookAndFeel::NativeGetFloat(FloatID aID, float& aResult) {
 173   nsresult res = NS_OK;
 174
 175   // Hardcoded values for GTK.
 176   switch (aID) {
 177     case FloatID::IMEUnderlineRelativeSize:
 178       aResult = 1.0f;
 179       break;
 180     case FloatID::SpellCheckerUnderlineRelativeSize:
 181       aResult = 1.0f;
 182       break;
 183     case FloatID::CaretAspectRatio:
 184       // Intentionally failing to quietly indicate lack of support.
 185       aResult = -1.0;
 186       res = NS_ERROR_FAILURE;
 187       break;
 188     default:
 189       aResult = -1.0;
 190       res = NS_ERROR_FAILURE;
 191       break;
 192   }
 193
 194   return res;
 195 }
 196
 197 bool HeadlessLookAndFeel::NativeGetFont(FontID aID, nsString& aFontName,
 198                                         gfxFontStyle& aFontStyle) {
 199   // Default to san-serif for everything.
 200   aFontStyle.style = FontSlantStyle::NORMAL;
 201   aFontStyle.weight = FontWeight::NORMAL;
 202   aFontStyle.stretch = FontStretch::NORMAL;
 203   aFontStyle.size = 14;
 204   aFontStyle.systemFont = true;
 205
 206   aFontName.AssignLiteral("sans-serif");
 207   return true;
 208 }
 209
 210 char16_t HeadlessLookAndFeel::GetPasswordCharacterImpl() {
 211   return UNICODE_BULLET;
 212 }
 213
 214 }  // namespace mozilla::widget