1 files changed, 120 insertions, 0 deletions
diff --git a/widget/nsXPLookAndFeel.h b/widget/nsXPLookAndFeel.h
new file mode 100644
index 0000000000..331363f76b
--- /dev/null
+++ b/widget/nsXPLookAndFeel.h
@@ -0,0 +1,120 @@
+/* -*- Mode: C++; tab-width: 4; 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 __nsXPLookAndFeel
+#define __nsXPLookAndFeel
+
+#include "mozilla/LookAndFeel.h"
+#include "nsTArray.h"
+
+class nsLookAndFeel;
+
+struct nsLookAndFeelIntPref
+{
+  const char* name;
+  mozilla::LookAndFeel::IntID id;
+  bool isSet;
+  int32_t intVar;
+};
+
+struct nsLookAndFeelFloatPref
+{
+  const char* name;
+  mozilla::LookAndFeel::FloatID id;
+  bool isSet;
+  float floatVar;
+};
+
+#define CACHE_BLOCK(x)     ((x) >> 5)
+#define CACHE_BIT(x)       (1 << ((x) & 31))
+
+#define COLOR_CACHE_SIZE   (CACHE_BLOCK(LookAndFeel::eColorID_LAST_COLOR) + 1)
+#define IS_COLOR_CACHED(x) (CACHE_BIT(x) & nsXPLookAndFeel::sCachedColorBits[CACHE_BLOCK(x)])
+#define CLEAR_COLOR_CACHE(x) nsXPLookAndFeel::sCachedColors[(x)] =0; \
+              nsXPLookAndFeel::sCachedColorBits[CACHE_BLOCK(x)] &= ~(CACHE_BIT(x));
+#define CACHE_COLOR(x, y)  nsXPLookAndFeel::sCachedColors[(x)] = y; \
+              nsXPLookAndFeel::sCachedColorBits[CACHE_BLOCK(x)] |= CACHE_BIT(x);
+
+class nsXPLookAndFeel: public mozilla::LookAndFeel
+{
+public:
+  virtual ~nsXPLookAndFeel();
+
+  static nsLookAndFeel* GetInstance();
+  static void Shutdown();
+
+  void Init();
+
+  //
+  // All these routines will return NS_OK if they have a value,
+  // in which case the nsLookAndFeel should use that value;
+  // otherwise we'll return NS_ERROR_NOT_AVAILABLE, in which case, the
+  // platform-specific nsLookAndFeel should use its own values instead.
+  //
+  nsresult GetColorImpl(ColorID aID, bool aUseStandinsForNativeColors,
+                        nscolor &aResult);
+  virtual nsresult GetIntImpl(IntID aID, int32_t &aResult);
+  virtual nsresult GetFloatImpl(FloatID aID, float &aResult);
+
+  // This one is different: there are no override prefs (fixme?), so
+  // there is no XP implementation, only per-system impls.
+  virtual bool GetFontImpl(FontID aID, nsString& aName,
+                           gfxFontStyle& aStyle,
+                           float aDevPixPerCSSPixel) = 0;
+
+  virtual void RefreshImpl();
+
+  virtual char16_t GetPasswordCharacterImpl()
+  {
+    return char16_t('*');
+  }
+
+  virtual bool GetEchoPasswordImpl()
+  {
+    return false;
+  }
+
+  virtual uint32_t GetPasswordMaskDelayImpl()
+  {
+    return 600;
+  }
+
+  virtual nsTArray<LookAndFeelInt> GetIntCacheImpl();
+  virtual void SetIntCacheImpl(const nsTArray<LookAndFeelInt>& aLookAndFeelIntCache) {}
+
+protected:
+  nsXPLookAndFeel();
+
+  static void IntPrefChanged(nsLookAndFeelIntPref *data);
+  static void FloatPrefChanged(nsLookAndFeelFloatPref *data);
+  static void ColorPrefChanged(unsigned int index, const char *prefName);
+  void InitFromPref(nsLookAndFeelIntPref* aPref);
+  void InitFromPref(nsLookAndFeelFloatPref* aPref);
+  void InitColorFromPref(int32_t aIndex);
+  virtual nsresult NativeGetColor(ColorID aID, nscolor &aResult) = 0;
+  bool IsSpecialColor(ColorID aID, nscolor &aColor);
+  bool ColorIsNotCSSAccessible(ColorID aID);
+  nscolor GetStandinForNativeColor(ColorID aID);
+
+  static void OnPrefChanged(const char* aPref, void* aClosure);
+
+  static bool sInitialized;
+  static nsLookAndFeelIntPref sIntPrefs[];
+  static nsLookAndFeelFloatPref sFloatPrefs[];
+  /* this length must not be shorter than the length of the longest string in the array
+   * see nsXPLookAndFeel.cpp
+   */
+  static const char sColorPrefs[][38];
+  static int32_t sCachedColors[LookAndFeel::eColorID_LAST_COLOR];
+  static int32_t sCachedColorBits[COLOR_CACHE_SIZE];
+  static bool sUseNativeColors;
+  static bool sUseStandinsForNativeColors;
+  static bool sFindbarModalHighlight;
+
+  static nsLookAndFeel* sInstance;
+  static bool sShutdown;
+};
+
+#endif