gecko-dev/widget/android/nsLookAndFeel.cpp

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "mozilla/dom/ContentChild.h"
#include "nsStyleConsts.h"
#include "nsXULAppAPI.h"
#include "nsLookAndFeel.h"
#include "gfxFont.h"
#include "gfxFontConstants.h"
#include "mozilla/FontPropertyTypes.h"
#include "mozilla/gfx/2D.h"
using namespace mozilla;
using mozilla::dom::ContentChild;
bool nsLookAndFeel::mInitializedSystemColors = false;
AndroidSystemColors nsLookAndFeel::mSystemColors;
bool nsLookAndFeel::mInitializedShowPassword = false;
bool nsLookAndFeel::mShowPassword = true;
static const char16_t UNICODE_BULLET = 0x2022;
nsLookAndFeel::nsLookAndFeel() : nsXPLookAndFeel() {}
nsLookAndFeel::~nsLookAndFeel() {}
#define BG_PRELIGHT_COLOR NS_RGB(0xee, 0xee, 0xee)
#define FG_PRELIGHT_COLOR NS_RGB(0x77, 0x77, 0x77)
#define BLACK_COLOR NS_RGB(0x00, 0x00, 0x00)
#define DARK_GRAY_COLOR NS_RGB(0x40, 0x40, 0x40)
#define GRAY_COLOR NS_RGB(0x80, 0x80, 0x80)
#define LIGHT_GRAY_COLOR NS_RGB(0xa0, 0xa0, 0xa0)
#define RED_COLOR NS_RGB(0xff, 0x00, 0x00)
nsresult nsLookAndFeel::GetSystemColors() {
if (!AndroidBridge::Bridge()) return NS_ERROR_FAILURE;
AndroidBridge::Bridge()->GetSystemColors(&mSystemColors);
return NS_OK;
}
void nsLookAndFeel::NativeInit() {
EnsureInitSystemColors();
EnsureInitShowPassword();
}
/* virtual */
void nsLookAndFeel::RefreshImpl() {
nsXPLookAndFeel::RefreshImpl();
mInitializedSystemColors = false;
mInitializedShowPassword = false;
}
nsresult nsLookAndFeel::NativeGetColor(ColorID aID, nscolor& aColor) {
nsresult rv = NS_OK;
EnsureInitSystemColors();
if (!mInitializedSystemColors) {
// Failure to initialize colors is an error condition. Return black.
aColor = 0;
return NS_ERROR_FAILURE;
}
// XXX we'll want to use context.obtainStyledAttributes on the java side to
// get all of these; see TextView.java for a good exmaple.
switch (aID) {
// These colors don't seem to be used for anything anymore in Mozilla
// (except here at least TextSelectBackground and TextSelectForeground)
// The CSS2 colors below are used.
case ColorID::WindowBackground:
aColor = NS_RGB(0xFF, 0xFF, 0xFF);
break;
case ColorID::WindowForeground:
aColor = mSystemColors.textColorPrimary;
break;
case ColorID::WidgetBackground:
aColor = mSystemColors.colorBackground;
break;
case ColorID::WidgetForeground:
aColor = mSystemColors.colorForeground;
break;
case ColorID::WidgetSelectBackground:
aColor = mSystemColors.textColorHighlight;
break;
case ColorID::WidgetSelectForeground:
aColor = mSystemColors.textColorPrimaryInverse;
break;
case ColorID::Widget3DHighlight:
aColor = LIGHT_GRAY_COLOR;
break;
case ColorID::Widget3DShadow:
aColor = DARK_GRAY_COLOR;
break;
case ColorID::TextBackground:
// not used?
aColor = mSystemColors.colorBackground;
break;
case ColorID::TextForeground:
// not used?
aColor = mSystemColors.textColorPrimary;
break;
case ColorID::TextSelectBackground:
case ColorID::IMESelectedRawTextBackground:
case ColorID::IMESelectedConvertedTextBackground:
// still used
aColor = mSystemColors.textColorHighlight;
break;
case ColorID::TextSelectForeground:
case ColorID::IMESelectedRawTextForeground:
case ColorID::IMESelectedConvertedTextForeground:
// still used
aColor = mSystemColors.textColorPrimaryInverse;
break;
case ColorID::IMERawInputBackground:
case ColorID::IMEConvertedTextBackground:
aColor = NS_TRANSPARENT;
break;
case ColorID::IMERawInputForeground:
case ColorID::IMEConvertedTextForeground:
aColor = NS_SAME_AS_FOREGROUND_COLOR;
break;
case ColorID::IMERawInputUnderline:
case ColorID::IMEConvertedTextUnderline:
aColor = NS_SAME_AS_FOREGROUND_COLOR;
break;
case ColorID::IMESelectedRawTextUnderline:
case ColorID::IMESelectedConvertedTextUnderline:
aColor = NS_TRANSPARENT;
break;
case ColorID::SpellCheckerUnderline:
aColor = RED_COLOR;
break;
// css2 http://www.w3.org/TR/REC-CSS2/ui.html#system-colors
case ColorID::Activeborder:
// active window border
aColor = mSystemColors.colorBackground;
break;
case ColorID::Activecaption:
// active window caption background
aColor = mSystemColors.colorBackground;
break;
case ColorID::Appworkspace:
// MDI background color
aColor = mSystemColors.colorBackground;
break;
case ColorID::Background:
// desktop background
aColor = mSystemColors.colorBackground;
break;
case ColorID::Captiontext:
// text in active window caption, size box, and scrollbar arrow box (!)
aColor = mSystemColors.colorForeground;
break;
case ColorID::Graytext:
// disabled text in windows, menus, etc.
aColor = mSystemColors.textColorTertiary;
break;
case ColorID::Highlight:
// background of selected item
aColor = mSystemColors.textColorHighlight;
break;
case ColorID::Highlighttext:
// text of selected item
aColor = mSystemColors.textColorPrimaryInverse;
break;
case ColorID::Inactiveborder:
// inactive window border
aColor = mSystemColors.colorBackground;
break;
case ColorID::Inactivecaption:
// inactive window caption
aColor = mSystemColors.colorBackground;
break;
case ColorID::Inactivecaptiontext:
// text in inactive window caption
aColor = mSystemColors.textColorTertiary;
break;
case ColorID::Infobackground:
// tooltip background color
aColor = mSystemColors.colorBackground;
break;
case ColorID::Infotext:
// tooltip text color
aColor = mSystemColors.colorForeground;
break;
case ColorID::Menu:
// menu background
aColor = mSystemColors.colorBackground;
break;
case ColorID::Menutext:
// menu text
aColor = mSystemColors.colorForeground;
break;
case ColorID::Scrollbar:
// scrollbar gray area
aColor = mSystemColors.colorBackground;
break;
case ColorID::Threedface:
case ColorID::Buttonface:
// 3-D face color
aColor = mSystemColors.colorBackground;
break;
case ColorID::Buttontext:
// text on push buttons
aColor = mSystemColors.colorForeground;
break;
case ColorID::Buttonhighlight:
// 3-D highlighted edge color
case ColorID::Threedhighlight:
// 3-D highlighted outer edge color
aColor = LIGHT_GRAY_COLOR;
break;
case ColorID::Threedlightshadow:
// 3-D highlighted inner edge color
aColor = mSystemColors.colorBackground;
break;
case ColorID::Buttonshadow:
// 3-D shadow edge color
case ColorID::Threedshadow:
// 3-D shadow inner edge color
aColor = GRAY_COLOR;
break;
case ColorID::Threeddarkshadow:
// 3-D shadow outer edge color
aColor = BLACK_COLOR;
break;
case ColorID::Window:
case ColorID::Windowframe:
aColor = mSystemColors.colorBackground;
break;
case ColorID::Windowtext:
aColor = mSystemColors.textColorPrimary;
break;
case ColorID::MozEventreerow:
case ColorID::MozField:
aColor = mSystemColors.colorBackground;
break;
case ColorID::MozFieldtext:
aColor = mSystemColors.textColorPrimary;
break;
case ColorID::MozDialog:
aColor = mSystemColors.colorBackground;
break;
case ColorID::MozDialogtext:
aColor = mSystemColors.colorForeground;
break;
case ColorID::MozDragtargetzone:
aColor = mSystemColors.textColorHighlight;
break;
case ColorID::MozButtondefault:
// default button border color
aColor = BLACK_COLOR;
break;
case ColorID::MozButtonhoverface:
aColor = BG_PRELIGHT_COLOR;
break;
case ColorID::MozButtonhovertext:
aColor = FG_PRELIGHT_COLOR;
break;
case ColorID::MozCellhighlight:
case ColorID::MozHtmlCellhighlight:
aColor = mSystemColors.textColorHighlight;
break;
case ColorID::MozCellhighlighttext:
case ColorID::MozHtmlCellhighlighttext:
aColor = mSystemColors.textColorPrimaryInverse;
break;
case ColorID::MozMenuhover:
aColor = BG_PRELIGHT_COLOR;
break;
case ColorID::MozMenuhovertext:
aColor = FG_PRELIGHT_COLOR;
break;
case ColorID::MozOddtreerow:
aColor = NS_TRANSPARENT;
break;
case ColorID::MozNativehyperlinktext:
aColor = NS_SAME_AS_FOREGROUND_COLOR;
break;
case ColorID::MozComboboxtext:
aColor = mSystemColors.colorForeground;
break;
case ColorID::MozCombobox:
aColor = mSystemColors.colorBackground;
break;
case ColorID::MozMenubartext:
aColor = mSystemColors.colorForeground;
break;
case ColorID::MozMenubarhovertext:
aColor = FG_PRELIGHT_COLOR;
break;
default:
/* default color is BLACK */
aColor = 0;
rv = NS_ERROR_FAILURE;
break;
}
return rv;
}
nsresult nsLookAndFeel::GetIntImpl(IntID aID, int32_t& aResult) {
nsresult rv = nsXPLookAndFeel::GetIntImpl(aID, aResult);
if (NS_SUCCEEDED(rv)) return rv;
rv = NS_OK;
switch (aID) {
case eIntID_CaretBlinkTime:
aResult = 500;
break;
case eIntID_CaretWidth:
aResult = 1;
break;
case eIntID_ShowCaretDuringSelection:
aResult = 0;
break;
case eIntID_SelectTextfieldsOnKeyFocus:
// Select textfield content when focused by kbd
// used by EventStateManager::sTextfieldSelectModel
aResult = 1;
break;
case eIntID_SubmenuDelay:
aResult = 200;
break;
case eIntID_TooltipDelay:
aResult = 500;
break;
case eIntID_MenusCanOverlapOSBar:
// we want XUL popups to be able to overlap the task bar.
aResult = 1;
break;
case eIntID_ScrollArrowStyle:
aResult = eScrollArrowStyle_Single;
break;
case eIntID_ScrollSliderStyle:
aResult = eScrollThumbStyle_Proportional;
break;
case eIntID_TouchEnabled:
aResult = 1;
break;
case eIntID_WindowsDefaultTheme:
case eIntID_WindowsThemeIdentifier:
case eIntID_OperatingSystemVersionIdentifier:
aResult = 0;
rv = NS_ERROR_NOT_IMPLEMENTED;
break;
case eIntID_SpellCheckerUnderlineStyle:
aResult = NS_STYLE_TEXT_DECORATION_STYLE_WAVY;
break;
case eIntID_ScrollbarButtonAutoRepeatBehavior:
aResult = 0;
break;
case eIntID_ContextMenuOffsetVertical:
case eIntID_ContextMenuOffsetHorizontal:
aResult = 2;
break;
case eIntID_PrefersReducedMotion:
if (sIsInPrefersReducedMotionForTest) {
aResult = sPrefersReducedMotionForTest ? 1 : 0;
break;
}
aResult = java::GeckoSystemStateListener::PrefersReducedMotion() ? 1 : 0;
break;
case eIntID_PrimaryPointerCapabilities:
aResult = java::GeckoAppShell::GetPrimaryPointerCapabilities();
break;
case eIntID_AllPointerCapabilities:
aResult = java::GeckoAppShell::GetAllPointerCapabilities();
break;
case eIntID_SystemUsesDarkTheme:
// Bail out if AndroidBridge hasn't initialized since we try to query
// this vailue via nsMediaFeatures::InitSystemMetrics without initializing
// AndroidBridge on xpcshell tests.
if (!jni::IsAvailable()) {
return NS_ERROR_FAILURE;
}
aResult = java::GeckoSystemStateListener::IsNightMode() ? 1 : 0;
break;
default:
aResult = 0;
rv = NS_ERROR_FAILURE;
}
return rv;
}
nsresult nsLookAndFeel::GetFloatImpl(FloatID aID, float& aResult) {
nsresult rv = nsXPLookAndFeel::GetFloatImpl(aID, aResult);
if (NS_SUCCEEDED(rv)) return rv;
rv = NS_OK;
switch (aID) {
case eFloatID_IMEUnderlineRelativeSize:
aResult = 1.0f;
break;
case eFloatID_SpellCheckerUnderlineRelativeSize:
aResult = 1.0f;
break;
default:
aResult = -1.0;
rv = NS_ERROR_FAILURE;
break;
}
return rv;
}
/*virtual*/
bool nsLookAndFeel::GetFontImpl(FontID aID, nsString& aFontName,
gfxFontStyle& aFontStyle) {
aFontName.AssignLiteral("\"Roboto\"");
aFontStyle.style = FontSlantStyle::Normal();
aFontStyle.weight = FontWeight::Normal();
aFontStyle.stretch = FontStretch::Normal();
aFontStyle.size = 9.0 * 96.0f / 72.0f;
aFontStyle.systemFont = true;
return true;
}
/*virtual*/
bool nsLookAndFeel::GetEchoPasswordImpl() {
EnsureInitShowPassword();
return mShowPassword;
}
uint32_t nsLookAndFeel::GetPasswordMaskDelayImpl() {
// This value is hard-coded in Android OS's PasswordTransformationMethod.java
return 1500;
}
/* virtual */
char16_t nsLookAndFeel::GetPasswordCharacterImpl() {
// This value is hard-coded in Android OS's PasswordTransformationMethod.java
return UNICODE_BULLET;
}
void nsLookAndFeel::EnsureInitSystemColors() {
if (!mInitializedSystemColors) {
if (XRE_IsParentProcess()) {
nsresult rv = GetSystemColors();
mInitializedSystemColors = NS_SUCCEEDED(rv);
}
// Child process will set system color cache from ContentParent.
}
}
void nsLookAndFeel::EnsureInitShowPassword() {
if (!mInitializedShowPassword) {
if (XRE_IsParentProcess()) {
mShowPassword =
jni::IsAvailable() && java::GeckoAppShell::GetShowPasswordSetting();
} else {
ContentChild::GetSingleton()->SendGetShowPasswordSetting(&mShowPassword);
}
mInitializedShowPassword = true;
}
}
nsTArray<LookAndFeelInt> nsLookAndFeel::GetIntCacheImpl() {
MOZ_ASSERT(XRE_IsParentProcess());
EnsureInitSystemColors();
MOZ_ASSERT(mInitializedSystemColors);
nsTArray<LookAndFeelInt> lookAndFeelCache =
nsXPLookAndFeel::GetIntCacheImpl();
lookAndFeelCache.SetCapacity(sizeof(AndroidSystemColors) / sizeof(nscolor));
LookAndFeelInt laf;
laf.id = int32_t(ColorID::WindowForeground);
laf.colorValue = mSystemColors.textColorPrimary;
lookAndFeelCache.AppendElement(laf);
laf.id = int32_t(ColorID::WidgetBackground);
laf.colorValue = mSystemColors.colorBackground;
lookAndFeelCache.AppendElement(laf);
laf.id = int32_t(ColorID::WidgetForeground);
laf.colorValue = mSystemColors.colorForeground;
lookAndFeelCache.AppendElement(laf);
laf.id = int32_t(ColorID::WidgetSelectBackground);
laf.colorValue = mSystemColors.textColorHighlight;
lookAndFeelCache.AppendElement(laf);
laf.id = int32_t(ColorID::WidgetSelectForeground);
laf.colorValue = mSystemColors.textColorPrimaryInverse;
lookAndFeelCache.AppendElement(laf);
laf.id = int32_t(ColorID::Inactivecaptiontext);
laf.colorValue = mSystemColors.textColorTertiary;
lookAndFeelCache.AppendElement(laf);
laf.id = int32_t(ColorID::Windowtext);
laf.colorValue = mSystemColors.textColorPrimary;
lookAndFeelCache.AppendElement(laf);
// XXX The following colors are unused.
// - textColorTertiaryInverse
// - panelColorForeground
// - panelColorBackground
return lookAndFeelCache;
}
void nsLookAndFeel::SetIntCacheImpl(
const nsTArray<LookAndFeelInt>& aLookAndFeelCache) {
for (auto entry : aLookAndFeelCache) {
switch (ColorID(entry.id)) {
case ColorID::WindowForeground:
mSystemColors.textColorPrimary = entry.colorValue;
break;
case ColorID::WidgetBackground:
mSystemColors.colorBackground = entry.colorValue;
break;
case ColorID::WidgetForeground:
mSystemColors.colorForeground = entry.colorValue;
break;
case ColorID::WidgetSelectBackground:
mSystemColors.textColorHighlight = entry.colorValue;
break;
case ColorID::WidgetSelectForeground:
mSystemColors.textColorPrimaryInverse = entry.colorValue;
break;
case ColorID::Inactivecaptiontext:
mSystemColors.textColorTertiary = entry.colorValue;
break;
case ColorID::Windowtext:
mSystemColors.textColorPrimary = entry.colorValue;
break;
default:
MOZ_ASSERT(false);
}
}
mInitializedSystemColors = true;
}