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-rw-r--r--widget/android/nsLookAndFeel.cpp460
1 files changed, 460 insertions, 0 deletions
diff --git a/widget/android/nsLookAndFeel.cpp b/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 "nsStyleConsts.h"
+#include "nsXULAppAPI.h"
+#include "nsLookAndFeel.h"
+#include "Theme.h"
+#include "gfxFont.h"
+#include "gfxFontConstants.h"
+#include "mozilla/FontPropertyTypes.h"
+#include "mozilla/gfx/2D.h"
+#include "mozilla/Preferences.h"
+#include "mozilla/StaticPrefs_widget.h"
+#include "mozilla/java/GeckoAppShellWrappers.h"
+#include "mozilla/java/GeckoRuntimeWrappers.h"
+#include "mozilla/java/GeckoSystemStateListenerWrappers.h"
+#include "ThemeColors.h"
+
+using namespace mozilla;
+using namespace mozilla::widget;
+
+static const char16_t UNICODE_BULLET = 0x2022;
+
+nsLookAndFeel::nsLookAndFeel() = default;
+
+nsLookAndFeel::~nsLookAndFeel() = default;
+
+nsresult nsLookAndFeel::GetSystemColors() {
+ if (!jni::IsAvailable()) {
+ return NS_ERROR_FAILURE;
+ }
+
+ auto arr = java::GeckoAppShell::GetSystemColors();
+ if (!arr) {
+ return NS_ERROR_FAILURE;
+ }
+
+ JNIEnv* const env = arr.Env();
+ uint32_t len = static_cast<uint32_t>(env->GetArrayLength(arr.Get()));
+ jint* elements = env->GetIntArrayElements(arr.Get(), 0);
+
+ uint32_t colorsCount = sizeof(AndroidSystemColors) / sizeof(nscolor);
+ if (len < colorsCount) colorsCount = len;
+
+ // Convert Android colors to nscolor by switching R and B in the ARGB 32 bit
+ // value
+ nscolor* colors = (nscolor*)&mSystemColors;
+
+ for (uint32_t i = 0; i < colorsCount; i++) {
+ uint32_t androidColor = static_cast<uint32_t>(elements[i]);
+ uint8_t r = (androidColor & 0x00ff0000) >> 16;
+ uint8_t b = (androidColor & 0x000000ff);
+ colors[i] = (androidColor & 0xff00ff00) | (b << 16) | r;
+ }
+
+ env->ReleaseIntArrayElements(arr.Get(), elements, 0);
+
+ return NS_OK;
+}
+
+void nsLookAndFeel::NativeInit() {
+ EnsureInitSystemColors();
+ EnsureInitShowPassword();
+ RecordTelemetry();
+}
+
+void nsLookAndFeel::RefreshImpl() {
+ mInitializedSystemColors = false;
+ mInitializedShowPassword = false;
+ nsXPLookAndFeel::RefreshImpl();
+}
+
+nsresult nsLookAndFeel::NativeGetColor(ColorID aID, ColorScheme aColorScheme,
+ nscolor& aColor) {
+ EnsureInitSystemColors();
+ if (!mInitializedSystemColors) {
+ // Failure to initialize colors is an error condition. Return black.
+ aColor = 0;
+ return NS_ERROR_FAILURE;
+ }
+
+ // Highlight/Highlighttext have native equivalents that we can map to (on
+ // Android) which should work fine, regardless of the color-scheme.
+ switch (aID) {
+ case ColorID::Highlight: {
+ // Matched to action_accent in java codebase. This works fine with both
+ // light and dark color scheme.
+ nscolor accent =
+ Color(ColorID::Accentcolor, aColorScheme, UseStandins::No);
+ aColor =
+ NS_RGBA(NS_GET_R(accent), NS_GET_G(accent), NS_GET_B(accent), 78);
+ return NS_OK;
+ }
+ case ColorID::Highlighttext:
+ // Selection background is transparent enough that any foreground color
+ // will do.
+ aColor = NS_SAME_AS_FOREGROUND_COLOR;
+ return NS_OK;
+ default:
+ break;
+ }
+
+ if (aColorScheme == ColorScheme::Dark) {
+ if (auto darkColor = GenericDarkColor(aID)) {
+ aColor = *darkColor;
+ return NS_OK;
+ }
+ }
+
+ // XXX we'll want to use context.obtainStyledAttributes on the java side to
+ // get all of these; see TextView.java for a good example.
+ auto UseNativeAccent = [this] {
+ return mSystemColors.colorAccent &&
+ StaticPrefs::widget_non_native_theme_use_theme_accent();
+ };
+
+ switch (aID) {
+ // These colors don't seem to be used for anything anymore in Mozilla
+ // The CSS2 colors below are used.
+ case ColorID::ThemedScrollbarThumbInactive:
+ case ColorID::ThemedScrollbarThumb:
+ // We don't need to care about the Active and Hover colors because Android
+ // scrollbars can't be hovered (they always have pointer-events: none).
+ aColor = NS_RGBA(119, 119, 119, 102);
+ break;
+
+ case ColorID::IMESelectedRawTextBackground:
+ case ColorID::IMESelectedConvertedTextBackground:
+ aColor = mSystemColors.textColorHighlight;
+ break;
+ case ColorID::IMESelectedRawTextForeground:
+ case ColorID::IMESelectedConvertedTextForeground:
+ aColor = mSystemColors.textColorPrimaryInverse;
+ break;
+ case ColorID::IMERawInputBackground:
+ case ColorID::IMEConvertedTextBackground:
+ aColor = NS_TRANSPARENT;
+ break;
+ case ColorID::IMERawInputForeground:
+ case ColorID::IMEConvertedTextForeground:
+ case ColorID::IMERawInputUnderline:
+ case ColorID::IMEConvertedTextUnderline:
+ aColor = NS_SAME_AS_FOREGROUND_COLOR;
+ break;
+ case ColorID::IMESelectedRawTextUnderline:
+ case ColorID::IMESelectedConvertedTextUnderline:
+ aColor = NS_TRANSPARENT;
+ break;
+
+ // css2 http://www.w3.org/TR/REC-CSS2/ui.html#system-colors
+ case ColorID::Activeborder: // active window border
+ case ColorID::Appworkspace: // MDI background color
+ case ColorID::Activecaption: // active window caption background
+ case ColorID::Background: // desktop background
+ case ColorID::Inactiveborder: // inactive window border
+ case ColorID::Inactivecaption: // inactive window caption
+ case ColorID::Scrollbar: // scrollbar gray area
+ aColor = mSystemColors.colorBackground;
+ break;
+ case ColorID::Graytext: // disabled text in windows, menus, etc.
+ aColor = NS_RGB(0xb1, 0xa5, 0x98);
+ break;
+ // FIXME: -moz-cellhighlight should show some kind of unfocused state.
+ case ColorID::MozCellhighlight:
+ case ColorID::Selecteditem:
+ case ColorID::Accentcolor:
+ aColor = UseNativeAccent() ? mSystemColors.colorAccent
+ : GetStandinForNativeColor(
+ ColorID::Accentcolor, aColorScheme);
+ break;
+ case ColorID::MozCellhighlighttext:
+ case ColorID::Selecteditemtext:
+ case ColorID::Accentcolortext:
+ aColor = UseNativeAccent() ? ThemeColors::ComputeCustomAccentForeground(
+ mSystemColors.colorAccent)
+ : GetStandinForNativeColor(
+ ColorID::Accentcolortext, aColorScheme);
+ break;
+ case ColorID::Fieldtext:
+ aColor = NS_RGB(0x1a, 0x1a, 0x1a);
+ break;
+ case ColorID::Inactivecaptiontext:
+ // text in inactive window caption
+ aColor = mSystemColors.textColorTertiary;
+ break;
+ case ColorID::Infobackground:
+ aColor = NS_RGB(0xf5, 0xf5, 0xb5);
+ break;
+ case ColorID::Infotext:
+ case ColorID::Threeddarkshadow: // 3-D shadow outer edge color
+ aColor = NS_RGB(0x00, 0x00, 0x00);
+ break;
+ case ColorID::Menu:
+ aColor = NS_RGB(0xf7, 0xf5, 0xf3);
+ break;
+
+ case ColorID::Buttonface:
+ case ColorID::MozButtondisabledface:
+ case ColorID::Threedface:
+ case ColorID::Threedlightshadow:
+ case ColorID::Buttonborder:
+ case ColorID::MozDisabledfield:
+ aColor = NS_RGB(0xec, 0xe7, 0xe2);
+ break;
+
+ case ColorID::Buttonhighlight:
+ case ColorID::Field:
+ case ColorID::Threedhighlight:
+ case ColorID::MozCombobox:
+ case ColorID::MozEventreerow:
+ aColor = NS_RGB(0xff, 0xff, 0xff);
+ break;
+
+ case ColorID::Buttonshadow:
+ case ColorID::Threedshadow:
+ aColor = NS_RGB(0xae, 0xa1, 0x94);
+ break;
+
+ case ColorID::MozDialog:
+ case ColorID::Window:
+ case ColorID::Windowframe:
+ aColor = NS_RGB(0xef, 0xeb, 0xe7);
+ break;
+ case ColorID::Buttontext:
+ case ColorID::Captiontext:
+ case ColorID::Menutext:
+ case ColorID::MozButtonhovertext:
+ case ColorID::MozDialogtext:
+ case ColorID::MozComboboxtext:
+ case ColorID::Windowtext:
+ case ColorID::MozColheadertext:
+ case ColorID::MozColheaderhovertext:
+ aColor = NS_RGB(0x10, 0x10, 0x10);
+ break;
+ case ColorID::MozButtonhoverface:
+ case ColorID::MozButtonactiveface:
+ aColor = NS_RGB(0xf3, 0xf0, 0xed);
+ break;
+ case ColorID::MozMenuhover:
+ aColor = NS_RGB(0xee, 0xee, 0xee);
+ break;
+ case ColorID::MozMenubarhovertext:
+ case ColorID::MozMenuhovertext:
+ aColor = NS_RGB(0x77, 0x77, 0x77);
+ break;
+ case ColorID::MozOddtreerow:
+ aColor = NS_TRANSPARENT;
+ break;
+ case ColorID::MozNativehyperlinktext:
+ aColor = NS_RGB(0, 0, 0xee);
+ break;
+ case ColorID::Marktext:
+ case ColorID::Mark:
+ case ColorID::SpellCheckerUnderline:
+ aColor = GetStandinForNativeColor(aID, aColorScheme);
+ break;
+ default:
+ /* default color is BLACK */
+ aColor = 0;
+ return NS_ERROR_FAILURE;
+ }
+
+ return NS_OK;
+}
+
+nsresult nsLookAndFeel::NativeGetInt(IntID aID, int32_t& aResult) {
+ nsresult rv = NS_OK;
+
+ switch (aID) {
+ case IntID::ScrollbarFadeBeginDelay:
+ aResult = 450;
+ break;
+
+ case IntID::ScrollbarFadeDuration:
+ aResult = 300;
+ break;
+
+ case IntID::ScrollButtonLeftMouseButtonAction:
+ aResult = 0;
+ break;
+
+ case IntID::ScrollButtonMiddleMouseButtonAction:
+ case IntID::ScrollButtonRightMouseButtonAction:
+ aResult = 3;
+ break;
+
+ case IntID::CaretBlinkTime:
+ aResult = 500;
+ break;
+
+ case IntID::CaretBlinkCount:
+ aResult = 10;
+ break;
+
+ case IntID::CaretWidth:
+ aResult = 1;
+ break;
+
+ case IntID::ShowCaretDuringSelection:
+ aResult = 0;
+ break;
+
+ case IntID::SelectTextfieldsOnKeyFocus:
+ // Select textfield content when focused by kbd
+ // used by EventStateManager::sTextfieldSelectModel
+ aResult = 1;
+ break;
+
+ case IntID::SubmenuDelay:
+ aResult = 200;
+ break;
+
+ case IntID::TooltipDelay:
+ aResult = 500;
+ break;
+
+ case IntID::MenusCanOverlapOSBar:
+ // we want XUL popups to be able to overlap the task bar.
+ aResult = 1;
+ break;
+
+ case IntID::ScrollArrowStyle:
+ aResult = eScrollArrowStyle_Single;
+ break;
+
+ case IntID::UseOverlayScrollbars:
+ aResult = 1;
+ break;
+
+ case IntID::SpellCheckerUnderlineStyle:
+ aResult = int32_t(StyleTextDecorationStyle::Wavy);
+ break;
+
+ case IntID::ScrollbarButtonAutoRepeatBehavior:
+ aResult = 0;
+ break;
+
+ case IntID::ContextMenuOffsetVertical:
+ case IntID::ContextMenuOffsetHorizontal:
+ aResult = 2;
+ break;
+
+ case IntID::PrefersReducedMotion:
+ aResult = java::GeckoSystemStateListener::PrefersReducedMotion();
+ break;
+
+ case IntID::UseAccessibilityTheme:
+ // If high contrast is enabled, enable prefers-reduced-transparency media
+ // query as well as there is no dedicated option.
+ case IntID::PrefersReducedTransparency:
+ aResult = java::GeckoSystemStateListener::PrefersContrast();
+ break;
+
+ case IntID::InvertedColors:
+ aResult = java::GeckoSystemStateListener::IsInvertedColors();
+ break;
+
+ case IntID::PrimaryPointerCapabilities:
+ aResult = java::GeckoAppShell::GetAllPointerCapabilities();
+
+ // We cannot assume what is primary device, so we use Blink's way for web
+ // compatibility (https://crbug.com/136119#c6). If having coarse
+ // capability in any devices, return it.
+ if (aResult & static_cast<int32_t>(PointerCapabilities::Coarse)) {
+ aResult = static_cast<int32_t>(PointerCapabilities::Coarse);
+ }
+ break;
+
+ case IntID::AllPointerCapabilities:
+ aResult = java::GeckoAppShell::GetAllPointerCapabilities();
+ break;
+
+ case IntID::SystemUsesDarkTheme: {
+ java::GeckoRuntime::LocalRef runtime = java::GeckoRuntime::GetInstance();
+ aResult = runtime && runtime->UsesDarkTheme();
+ break;
+ }
+
+ case IntID::DragThresholdX:
+ case IntID::DragThresholdY:
+ // Threshold where a tap becomes a drag, in 1/240" reference pixels.
+ aResult = 25;
+ break;
+
+ case IntID::TouchDeviceSupportPresent:
+ // Touch support is always enabled on android.
+ aResult = 1;
+ break;
+
+ default:
+ aResult = 0;
+ rv = NS_ERROR_FAILURE;
+ }
+
+ return rv;
+}
+
+nsresult nsLookAndFeel::NativeGetFloat(FloatID aID, float& aResult) {
+ nsresult rv = NS_OK;
+
+ switch (aID) {
+ case FloatID::IMEUnderlineRelativeSize:
+ aResult = 1.0f;
+ break;
+ case FloatID::SpellCheckerUnderlineRelativeSize:
+ aResult = 1.0f;
+ break;
+ case FloatID::TextScaleFactor: {
+ java::GeckoRuntime::LocalRef runtime = java::GeckoRuntime::GetInstance();
+ aResult = runtime ? runtime->TextScaleFactor() : 1.0f;
+ break;
+ }
+ default:
+ aResult = -1.0;
+ rv = NS_ERROR_FAILURE;
+ break;
+ }
+ return rv;
+}
+
+bool nsLookAndFeel::NativeGetFont(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;
+}
+
+bool nsLookAndFeel::GetEchoPasswordImpl() {
+ EnsureInitShowPassword();
+ return mShowPassword;
+}
+
+uint32_t nsLookAndFeel::GetPasswordMaskDelayImpl() {
+ // This value is hard-coded in Android OS's PasswordTransformationMethod.java
+ return 1500;
+}
+
+char16_t nsLookAndFeel::GetPasswordCharacterImpl() {
+ // This value is hard-coded in Android OS's PasswordTransformationMethod.java
+ return UNICODE_BULLET;
+}
+
+void nsLookAndFeel::EnsureInitSystemColors() {
+ if (!mInitializedSystemColors) {
+ mInitializedSystemColors = NS_SUCCEEDED(GetSystemColors());
+ }
+}
+
+void nsLookAndFeel::EnsureInitShowPassword() {
+ if (!mInitializedShowPassword && jni::IsAvailable()) {
+ mShowPassword = java::GeckoAppShell::GetShowPasswordSetting();
+ mInitializedShowPassword = true;
+ }
+}