1 files changed, 124 insertions, 0 deletions
diff --git a/widget/windows/nsLookAndFeel.h b/widget/windows/nsLookAndFeel.h
new file mode 100644
index 0000000000..d19aa91329
--- /dev/null
+++ b/widget/windows/nsLookAndFeel.h
@@ -0,0 +1,124 @@
+/* -*- Mode: C++; tab-width: 2; 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/. */
+
+#ifndef __nsLookAndFeel
+#define __nsLookAndFeel
+
+#include <windows.h>
+
+#include "nsXPLookAndFeel.h"
+#include "gfxFont.h"
+
+/*
+ * Gesture System Metrics
+ */
+#ifndef SM_DIGITIZER
+#  define SM_DIGITIZER 94
+#  define TABLET_CONFIG_NONE 0x00000000
+#  define NID_INTEGRATED_TOUCH 0x00000001
+#  define NID_EXTERNAL_TOUCH 0x00000002
+#  define NID_INTEGRATED_PEN 0x00000004
+#  define NID_EXTERNAL_PEN 0x00000008
+#  define NID_MULTI_INPUT 0x00000040
+#  define NID_READY 0x00000080
+#endif
+
+/*
+ * Tablet mode detection
+ */
+#ifndef SM_SYSTEMDOCKED
+#  define SM_CONVERTIBLESLATEMODE 0x00002003
+#  define SM_SYSTEMDOCKED 0x00002004
+#endif
+
+/*
+ * Color constant inclusive bounds for GetSysColor
+ */
+#define SYS_COLOR_MIN 0
+#define SYS_COLOR_MAX 30
+#define SYS_COLOR_COUNT (SYS_COLOR_MAX - SYS_COLOR_MIN + 1)
+
+namespace mozilla::widget::WinRegistry {
+class KeyWatcher;
+}
+
+class nsLookAndFeel final : public nsXPLookAndFeel {
+ public:
+  nsLookAndFeel();
+  virtual ~nsLookAndFeel();
+
+  void NativeInit() final;
+  void RefreshImpl() override;
+  nsresult NativeGetInt(IntID, int32_t& aResult) override;
+  nsresult NativeGetFloat(FloatID, float& aResult) override;
+  nsresult NativeGetColor(ColorID, ColorScheme, nscolor& aResult) override;
+  bool NativeGetFont(FontID aID, nsString& aFontName,
+                     gfxFontStyle& aFontStyle) override;
+  char16_t GetPasswordCharacterImpl() override;
+
+ private:
+  struct TitlebarColors {
+    // NOTE: These are the DWM accent colors, which might not match the
+    // UISettings/UWP accent color in some cases, see bug 1796730.
+    mozilla::Maybe<nscolor> mAccent;
+    mozilla::Maybe<nscolor> mAccentText;
+    mozilla::Maybe<nscolor> mAccentInactive;
+    mozilla::Maybe<nscolor> mAccentInactiveText;
+
+    bool mUseAccent = false;
+
+    struct Set {
+      nscolor mBg = 0;
+      nscolor mFg = 0;
+      nscolor mBorder = 0;
+    };
+
+    Set mActiveLight;
+    Set mActiveDark;
+
+    Set mInactiveLight;
+    Set mInactiveDark;
+
+    const Set& Get(mozilla::ColorScheme aScheme, bool aActive) const {
+      if (aScheme == mozilla::ColorScheme::Dark) {
+        return aActive ? mActiveDark : mInactiveDark;
+      }
+      return aActive ? mActiveLight : mInactiveLight;
+    }
+  };
+
+  TitlebarColors ComputeTitlebarColors();
+
+  nscolor GetColorForSysColorIndex(int index);
+
+  LookAndFeelFont GetLookAndFeelFontInternal(const LOGFONTW& aLogFont,
+                                             bool aUseShellDlg);
+
+  uint32_t SystemColorFilter();
+
+  LookAndFeelFont GetLookAndFeelFont(LookAndFeel::FontID anID);
+
+  // Cached colors and flags indicating success in their retrieval.
+  mozilla::Maybe<nscolor> mColorMenuHoverText;
+
+  mozilla::Maybe<nscolor> mDarkHighlight;
+  mozilla::Maybe<nscolor> mDarkHighlightText;
+
+  TitlebarColors mTitlebarColors;
+
+  nscolor mColorAccent = 0;
+  nscolor mColorAccentText = 0;
+
+  nscolor mSysColorTable[SYS_COLOR_COUNT];
+
+  mozilla::UniquePtr<mozilla::widget::WinRegistry::KeyWatcher>
+      mColorFilterWatcher;
+  uint32_t mCurrentColorFilter = 0;
+
+  bool mInitialized = false;
+  void EnsureInit();
+};
+
+#endif