зеркало из https://github.com/mozilla/gecko-dev.git
101 строка
3.4 KiB
C++
101 строка
3.4 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/widget/LookAndFeelTypes.h"
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#include "nsTArray.h"
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class nsLookAndFeel;
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class nsXPLookAndFeel : public mozilla::LookAndFeel {
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public:
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using FullLookAndFeel = mozilla::widget::FullLookAndFeel;
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using LookAndFeelFont = mozilla::widget::LookAndFeelFont;
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using LookAndFeelTheme = mozilla::widget::LookAndFeelTheme;
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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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// These functions will return a value specified by an override pref, if it
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// exists, and otherwise will call into the NativeGetXxx function to get the
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// platform-specific value.
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//
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// NS_ERROR_NOT_AVAILABLE is returned if there is neither an override pref or
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// a platform-specific value.
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nsresult GetColorValue(ColorID aID, bool aUseStandinsForNativeColors,
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nscolor& aResult);
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nsresult GetIntValue(IntID aID, int32_t& aResult);
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nsresult GetFloatValue(FloatID aID, float& aResult);
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// Same, but returns false if there is no platform-specific value.
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// (There are no override prefs for font values.)
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bool GetFontValue(FontID aID, nsString& aName, gfxFontStyle& aStyle);
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virtual nsresult NativeGetInt(IntID aID, int32_t& aResult) = 0;
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virtual nsresult NativeGetFloat(FloatID aID, float& aResult) = 0;
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virtual nsresult NativeGetColor(ColorID aID, nscolor& aResult) = 0;
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virtual bool NativeGetFont(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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static bool LookAndFeelFontToStyle(const LookAndFeelFont&, nsString& aName,
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gfxFontStyle&);
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static LookAndFeelFont StyleToLookAndFeelFont(const nsAString& aName,
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const gfxFontStyle&);
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virtual void SetDataImpl(FullLookAndFeel&& aTables) {}
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virtual void NativeInit() = 0;
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virtual void WithThemeConfiguredForContent(
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const std::function<void(const LookAndFeelTheme&, bool aChanged)>& aFn) {
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aFn(LookAndFeelTheme{}, false);
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}
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// Whether the color should be from the parent theme, if the theme differs
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// between parent and content processes.
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virtual bool FromParentTheme(IntID) {
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MOZ_ASSERT_UNREACHABLE(
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"Should override if WithThemeConfiguredForContent can change the "
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"theme");
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return false;
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}
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virtual bool FromParentTheme(ColorID) {
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MOZ_ASSERT_UNREACHABLE(
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"Should override if WithThemeConfiguredForContent can change the "
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"theme");
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return false;
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}
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protected:
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nsXPLookAndFeel() = default;
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static nscolor GetStandinForNativeColor(ColorID);
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void RecordTelemetry();
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virtual void RecordLookAndFeelSpecificTelemetry() {}
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static void OnPrefChanged(const char* aPref, void* aClosure);
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static bool sInitialized;
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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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