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-rw-r--r--widget/RemoteLookAndFeel.h63
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diff --git a/widget/RemoteLookAndFeel.h b/widget/RemoteLookAndFeel.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=8 et :
+ */
+/* 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 mozilla_widget_RemoteLookAndFeel_h__
+#define mozilla_widget_RemoteLookAndFeel_h__
+
+#include "mozilla/widget/nsXPLookAndFeel.h"
+#include "mozilla/widget/LookAndFeelTypes.h"
+
+namespace mozilla::widget {
+
+/**
+ * A LookAndFeel implementation whose native values are provided by the
+ * parent process.
+ */
+class RemoteLookAndFeel final : public nsXPLookAndFeel {
+ public:
+ explicit RemoteLookAndFeel(FullLookAndFeel&& aTables);
+
+ virtual ~RemoteLookAndFeel();
+
+ void NativeInit() override {}
+
+ nsresult NativeGetInt(IntID, int32_t& aResult) override;
+ nsresult NativeGetFloat(FloatID, float& aResult) override;
+ nsresult NativeGetColor(ColorID, ColorScheme, nscolor& aResult) override;
+ bool NativeGetFont(FontID aID, nsString& aFontName,
+ gfxFontStyle& aFontStyle) override;
+
+ char16_t GetPasswordCharacterImpl() override;
+ bool GetEchoPasswordImpl() override;
+
+ // Sets the LookAndFeel data to be used by this content process' singleton
+ // RemoteLookAndFeel object.
+ void SetDataImpl(FullLookAndFeel&& aTables) override;
+
+ // Extracts the data from the platform's default LookAndFeel implementation.
+ //
+ // This is called in the parent process to obtain the data to send down to
+ // content processes when they are created (and when the OS theme changes).
+ //
+ // Note that the pointer returned from here is only valid until the next time
+ // ClearCachedData is called.
+ static const FullLookAndFeel* ExtractData();
+
+ // Clears any cached extracted data from the platform's default LookAndFeel
+ // implementation.
+ //
+ // This is called in the parent process when the default LookAndFeel is
+ // refreshed, to invalidate sCachedLookAndFeelData.
+ static void ClearCachedData();
+
+ private:
+ LookAndFeelTables mTables;
+};
+
+} // namespace mozilla::widget
+
+#endif // mozilla_widget_RemoteLookAndFeel_h__