widget/headless/HeadlessLookAndFeel.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_widget_HeadlessLookAndFeel_h
   8 #define mozilla_widget_HeadlessLookAndFeel_h
   9
  10 #include "nsXPLookAndFeel.h"
  11 #include "nsLookAndFeel.h"
  12
  13 namespace mozilla {
  14 namespace widget {
  15
  16 #if defined(MOZ_WIDGET_GTK)
  17
  18 // Our nsLookAndFeel for GTK relies on APIs that aren't available in headless
  19 // mode, so we use an implementation with hardcoded values.
  20
  21 class HeadlessLookAndFeel: public nsXPLookAndFeel {
  22 public:
  23   HeadlessLookAndFeel();
  24   virtual ~HeadlessLookAndFeel();
  25
  26   virtual nsresult NativeGetColor(ColorID aID, nscolor &aResult) override;
  27   void NativeInit() final {};
  28   virtual nsresult GetIntImpl(IntID aID, int32_t &aResult) override;
  29   virtual nsresult GetFloatImpl(FloatID aID, float &aResult) override;
  30   virtual bool GetFontImpl(FontID aID,
  31                            nsString& aFontName,
  32                            gfxFontStyle& aFontStyle,
  33                            float aDevPixPerCSSPixel) override;
  34
  35   virtual void RefreshImpl() override;
  36   virtual char16_t GetPasswordCharacterImpl() override;
  37   virtual bool GetEchoPasswordImpl() override;
  38 };
  39
  40 #else
  41
  42 // When possible, we simply reuse the platform's existing nsLookAndFeel
  43 // implementation in headless mode.
  44
  45 typedef nsLookAndFeel HeadlessLookAndFeel;
  46
  47 #endif
  48
  49 } // namespace widget
  50 } // namespace mozilla
  51
  52 #endif