Adding upstream version 115.8.0esr.upstream/115.8.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 180 insertions, 0 deletions

diff --git a/widget/gtk/nsLookAndFeel.h b/widget/gtk/nsLookAndFeel.h
new file mode 100644
index 0000000000..b62c0bb468
--- /dev/null
+++ b/widget/gtk/nsLookAndFeel.h
@@ -0,0 +1,180 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:expandtab:shiftwidth=2:tabstop=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/. */
+
+#ifndef __nsLookAndFeel
+#define __nsLookAndFeel
+
+#include "X11UndefineNone.h"
+#include "nsXPLookAndFeel.h"
+#include "nsCOMPtr.h"
+#include "gfxFont.h"
+
+enum WidgetNodeType : int;
+struct _GtkStyle;
+typedef struct _GDBusProxy GDBusProxy;
+
+class nsLookAndFeel final : public nsXPLookAndFeel {
+ public:
+  nsLookAndFeel();
+  virtual ~nsLookAndFeel();
+
+  void NativeInit() final;
+  void RefreshImpl() override;
+  nsresult NativeGetInt(IntID aID, int32_t& aResult) override;
+  nsresult NativeGetFloat(FloatID aID, float& aResult) override;
+  nsresult NativeGetColor(ColorID, ColorScheme, nscolor& aResult) override;
+  bool NativeGetFont(FontID aID, nsString& aFontName,
+                     gfxFontStyle& aFontStyle) override;
+
+  char16_t GetPasswordCharacterImpl() override;
+  bool GetEchoPasswordImpl() override;
+
+  bool GetDefaultDrawInTitlebar() override;
+
+  void GetThemeInfo(nsACString&) override;
+
+  static const nscolor kBlack = NS_RGB(0, 0, 0);
+  static const nscolor kWhite = NS_RGB(255, 255, 255);
+  void OnColorSchemeSettingChanged();
+
+ protected:
+  static bool WidgetUsesImage(WidgetNodeType aNodeType);
+  void RecordLookAndFeelSpecificTelemetry() override;
+  static bool ShouldHonorThemeScrollbarColors();
+  mozilla::Maybe<ColorScheme> ComputeColorSchemeSetting();
+
+  // We use up to two themes (one light, one dark), which might have different
+  // sets of fonts and colors.
+  struct PerThemeData {
+    nsCString mName;
+
+    bool mIsDark = false;
+    bool mHighContrast = false;
+    bool mPreferDarkTheme = false;
+
+    // NOTE(emilio): This is unused, but if we need to we can use it to override
+    // system colors with standins like we do for the non-native theme.
+    bool mCompatibleWithHTMLLightColors = false;
+
+    // Cached fonts
+    nsString mDefaultFontName;
+    nsString mButtonFontName;
+    nsString mFieldFontName;
+    nsString mMenuFontName;
+    gfxFontStyle mDefaultFontStyle;
+    gfxFontStyle mButtonFontStyle;
+    gfxFontStyle mFieldFontStyle;
+    gfxFontStyle mMenuFontStyle;
+
+    // Cached colors
+    nscolor mInfoBackground = kWhite;
+    nscolor mInfoText = kBlack;
+    nscolor mMenuBackground = kWhite;
+    nscolor mMenuText = kBlack;
+    nscolor mMenuTextInactive = kWhite;
+    nscolor mMenuHover = kWhite;
+    nscolor mMenuHoverText = kBlack;
+    nscolor mButtonDefault = kWhite;
+    nscolor mButtonText = kBlack;
+    nscolor mButtonHoverText = kBlack;
+    nscolor mButtonHoverFace = kWhite;
+    nscolor mButtonActiveText = kBlack;
+    nscolor mFrameOuterLightBorder = kBlack;
+    nscolor mFrameInnerDarkBorder = kBlack;
+    nscolor mOddCellBackground = kWhite;
+    nscolor mNativeHyperLinkText = kBlack;
+    nscolor mNativeVisitedHyperLinkText = kBlack;
+    nscolor mComboBoxText = kBlack;
+    nscolor mComboBoxBackground = kWhite;
+    nscolor mFieldText = kBlack;
+    nscolor mFieldBackground = kWhite;
+    nscolor mMozWindowText = kBlack;
+    nscolor mMozWindowBackground = kWhite;
+    nscolor mMozWindowActiveBorder = kBlack;
+    nscolor mMozWindowInactiveBorder = kBlack;
+    nscolor mMozCellHighlightBackground = kWhite;
+    nscolor mMozCellHighlightText = kBlack;
+    nscolor mTextSelectedText = kBlack;
+    nscolor mTextSelectedBackground = kWhite;
+    nscolor mAccentColor = kWhite;
+    nscolor mAccentColorText = kWhite;
+    nscolor mSelectedItem = kWhite;
+    nscolor mSelectedItemText = kBlack;
+    nscolor mMozColHeaderText = kBlack;
+    nscolor mMozColHeaderHoverText = kBlack;
+    nscolor mTitlebarText = kBlack;
+    nscolor mTitlebarBackground = kWhite;
+    nscolor mTitlebarInactiveText = kBlack;
+    nscolor mTitlebarInactiveBackground = kWhite;
+    nscolor mThemedScrollbar = kWhite;
+    nscolor mThemedScrollbarInactive = kWhite;
+    nscolor mThemedScrollbarThumb = kBlack;
+    nscolor mThemedScrollbarThumbHover = kBlack;
+    nscolor mThemedScrollbarThumbActive = kBlack;
+    nscolor mThemedScrollbarThumbInactive = kBlack;
+
+    float mCaretRatio = 0.0f;
+    int32_t mTitlebarRadius = 0;
+    char16_t mInvisibleCharacter = 0;
+    bool mMenuSupportsDrag = false;
+
+    void Init();
+    nsresult GetColor(ColorID, nscolor&) const;
+    bool GetFont(FontID, nsString& aFontName, gfxFontStyle&) const;
+    void InitCellHighlightColors();
+  };
+
+  PerThemeData mSystemTheme;
+
+  // If the system theme is light, a dark theme. Otherwise, a light theme. The
+  // alternative theme to the current one is preferred, but otherwise we fall
+  // back to Adwaita / Adwaita Dark, respectively.
+  PerThemeData mAltTheme;
+
+  const PerThemeData& LightTheme() const {
+    return mSystemTheme.mIsDark ? mAltTheme : mSystemTheme;
+  }
+
+  const PerThemeData& DarkTheme() const {
+    return mSystemTheme.mIsDark ? mSystemTheme : mAltTheme;
+  }
+
+  const PerThemeData& EffectiveTheme() const {
+    return mSystemThemeOverridden ? mAltTheme : mSystemTheme;
+  }
+
+  RefPtr<GDBusProxy> mDBusSettingsProxy;
+  mozilla::Maybe<ColorScheme> mColorSchemePreference;
+  int32_t mCaretBlinkTime = 0;
+  int32_t mCaretBlinkCount = -1;
+  bool mCSDMaximizeButton = false;
+  bool mCSDMinimizeButton = false;
+  bool mCSDCloseButton = false;
+  bool mCSDReversedPlacement = false;
+  bool mPrefersReducedMotion = false;
+  bool mInitialized = false;
+  bool mSystemThemeOverridden = false;
+  int32_t mCSDMaximizeButtonPosition = 0;
+  int32_t mCSDMinimizeButtonPosition = 0;
+  int32_t mCSDCloseButtonPosition = 0;
+
+  void EnsureInit() {
+    if (mInitialized) {
+      return;
+    }
+    Initialize();
+  }
+
+  void Initialize();
+
+  void RestoreSystemTheme();
+  void InitializeGlobalSettings();
+  void ConfigureAndInitializeAltTheme();
+  void ConfigureFinalEffectiveTheme();
+};
+
+#endif