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101 lines
3.4 KiB
C++
101 lines
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/Maybe.h"
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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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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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// Gets the pref name for a given color, just for debugging purposes.
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static const char* GetColorPrefName(ColorID);
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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, ColorScheme, UseStandins, 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, ColorScheme, 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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virtual bool GetDefaultDrawInTitlebar() { return true; }
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virtual TitlebarAction GetTitlebarAction(TitlebarEvent aEvent) {
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return TitlebarAction::None;
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}
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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 GetThemeInfo(nsACString&) {}
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virtual nsresult GetKeyboardLayoutImpl(nsACString& aLayout) {
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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protected:
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nsXPLookAndFeel() = default;
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static nscolor GetStandinForNativeColor(ColorID, ColorScheme);
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// A platform-agnostic dark-color scheme, for platforms where we don't have
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// "native" dark colors, like Windows and Android.
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static mozilla::Maybe<nscolor> GenericDarkColor(ColorID);
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mozilla::Maybe<nscolor> GetUncachedColor(ColorID, ColorScheme, UseStandins);
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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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