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552aa91269
Content processes will now receive cached values for GetFontImpl() from the parent process during initialization and whenever the theme changes. This eliminates the use of several Win32k calls in content. Differential Revision: https://phabricator.services.mozilla.com/D83406
112 lines
3.7 KiB
C++
112 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef __nsXPLookAndFeel
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#define __nsXPLookAndFeel
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#include "mozilla/LookAndFeel.h"
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#include "mozilla/ServoStyleConsts.h"
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#include "nsTArray.h"
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class nsLookAndFeel;
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struct nsLookAndFeelIntPref {
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const char* name;
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mozilla::LookAndFeel::IntID id;
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bool isSet;
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int32_t intVar;
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};
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struct nsLookAndFeelFloatPref {
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const char* name;
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mozilla::LookAndFeel::FloatID id;
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bool isSet;
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float floatVar;
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};
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#define CACHE_BLOCK(x) (uint32_t(x) >> 5)
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#define CACHE_BIT(x) (1 << (uint32_t(x) & 31))
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#define COLOR_CACHE_SIZE (CACHE_BLOCK(uint32_t(LookAndFeel::ColorID::End)) + 1)
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#define IS_COLOR_CACHED(x) \
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(CACHE_BIT(x) & nsXPLookAndFeel::sCachedColorBits[CACHE_BLOCK(x)])
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#define CLEAR_COLOR_CACHE(x) \
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nsXPLookAndFeel::sCachedColors[uint32_t(x)] = 0; \
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nsXPLookAndFeel::sCachedColorBits[CACHE_BLOCK(x)] &= ~(CACHE_BIT(x));
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#define CACHE_COLOR(x, y) \
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nsXPLookAndFeel::sCachedColors[uint32_t(x)] = y; \
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nsXPLookAndFeel::sCachedColorBits[CACHE_BLOCK(x)] |= CACHE_BIT(x);
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class nsXPLookAndFeel : public mozilla::LookAndFeel {
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public:
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virtual ~nsXPLookAndFeel();
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static nsXPLookAndFeel* GetInstance();
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static void Shutdown();
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void Init();
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//
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// All these routines will return NS_OK if they have a value,
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// in which case the nsLookAndFeel should use that value;
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// otherwise we'll return NS_ERROR_NOT_AVAILABLE, in which case, the
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// platform-specific nsLookAndFeel should use its own values instead.
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//
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nsresult GetColorImpl(ColorID aID, bool aUseStandinsForNativeColors,
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nscolor& aResult);
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virtual nsresult GetIntImpl(IntID aID, int32_t& aResult);
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virtual nsresult GetFloatImpl(FloatID aID, float& aResult);
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// This one is different: there are no override prefs (fixme?), so
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// there is no XP implementation, only per-system impls.
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virtual bool GetFontImpl(FontID aID, nsString& aName,
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gfxFontStyle& aStyle) = 0;
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virtual void RefreshImpl();
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virtual char16_t GetPasswordCharacterImpl() { return char16_t('*'); }
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virtual bool GetEchoPasswordImpl() { return false; }
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virtual uint32_t GetPasswordMaskDelayImpl() { return 600; }
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virtual LookAndFeelCache GetCacheImpl();
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virtual void SetCacheImpl(const LookAndFeelCache& aCache) {}
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virtual void NativeInit() = 0;
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protected:
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nsXPLookAndFeel() = default;
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static void IntPrefChanged(nsLookAndFeelIntPref* data);
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static void FloatPrefChanged(nsLookAndFeelFloatPref* data);
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static void ColorPrefChanged(unsigned int index, const char* prefName);
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void InitFromPref(nsLookAndFeelIntPref* aPref);
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void InitFromPref(nsLookAndFeelFloatPref* aPref);
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void InitColorFromPref(int32_t aIndex);
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virtual nsresult NativeGetColor(ColorID aID, nscolor& aResult) = 0;
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bool IsSpecialColor(ColorID aID, nscolor& aColor);
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bool ColorIsNotCSSAccessible(ColorID aID);
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nscolor GetStandinForNativeColor(ColorID aID);
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void RecordTelemetry();
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static void OnPrefChanged(const char* aPref, void* aClosure);
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static bool sInitialized;
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static nsLookAndFeelIntPref sIntPrefs[];
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static nsLookAndFeelFloatPref sFloatPrefs[];
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/* this length must not be shorter than the length of the longest string in
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* the array see nsXPLookAndFeel.cpp
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*/
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static const char sColorPrefs[][41];
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static int32_t sCachedColors[size_t(LookAndFeel::ColorID::End)];
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static int32_t sCachedColorBits[COLOR_CACHE_SIZE];
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static nsXPLookAndFeel* sInstance;
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static bool sShutdown;
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};
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#endif
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