зеркало из https://github.com/mozilla/gecko-dev.git
72 строки
2.4 KiB
C++
72 строки
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=8 et :
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*/
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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 mozilla_widget_RemoteLookAndFeel_h__
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#define mozilla_widget_RemoteLookAndFeel_h__
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#include "mozilla/widget/nsXPLookAndFeel.h"
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#include "mozilla/widget/LookAndFeelTypes.h"
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namespace mozilla::widget {
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/**
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* A LookAndFeel implementation whose native values are provided by the
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* parent process.
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*/
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class RemoteLookAndFeel final : public nsXPLookAndFeel {
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public:
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explicit RemoteLookAndFeel(FullLookAndFeel&& aTables);
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virtual ~RemoteLookAndFeel();
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void NativeInit() override {}
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nsresult NativeGetInt(IntID aID, int32_t& aResult) override;
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nsresult NativeGetFloat(FloatID aID, float& aResult) override;
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nsresult NativeGetColor(ColorID aID, nscolor& aResult) override;
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bool NativeGetFont(FontID aID, nsString& aFontName,
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gfxFontStyle& aFontStyle) override;
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char16_t GetPasswordCharacterImpl() override;
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bool GetEchoPasswordImpl() override;
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// Sets the LookAndFeel data to be used by this content process' singleton
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// RemoteLookAndFeel object.
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void SetDataImpl(FullLookAndFeel&& aTables) override;
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// Extracts the data from the platform's default LookAndFeel implementation.
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//
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// This is called in the parent process to obtain the data to send down to
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// content processes when they are created (and when the OS theme changes).
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//
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// Note that the pointer returned from here is only valid until the next time
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// ClearCachedData is called.
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static const FullLookAndFeel* ExtractData();
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// Clears any cached extracted data from the platform's default LookAndFeel
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// implementation.
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//
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// This is called in the parent process when the default LookAndFeel is
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// refreshed, to invalidate sCachedLookAndFeelData.
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static void ClearCachedData();
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private:
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LookAndFeelTables mTables;
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// A cached copy of the data extracted by ExtractData.
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//
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// Storing this lets us avoid doing most of the work of ExtractData each
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// time we create a new content process.
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//
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// Only used in the parent process.
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static StaticAutoPtr<FullLookAndFeel> sCachedLookAndFeelData;
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};
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} // namespace mozilla::widget
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#endif // mozilla_widget_RemoteLookAndFeel_h__
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