chrome/browser/ui/libgtk2ui/native_theme_gtk2.h

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_UI_LIBGTK2UI_NATIVE_THEME_GTK2_H_
   6 #define CHROME_BROWSER_UI_LIBGTK2UI_NATIVE_THEME_GTK2_H_
   7
   8 #include <gtk/gtk.h>
   9
  10 #include "chrome/browser/ui/libgtk2ui/owned_widget_gtk2.h"
  11 #include "ui/native_theme/native_theme_base.h"
  12
  13
  14 namespace libgtk2ui {
  15
  16 // A version of NativeTheme that uses GTK2 supplied colours instead of the
  17 // default aura colours. Analogue to NativeThemeWin, except that can't be
  18 // compiled into the main chrome binary like the Windows code can.
  19 class NativeThemeGtk2 : public ui::NativeThemeBase {
  20  public:
  21   static NativeThemeGtk2* instance();
  22
  23   // Overridden from ui::NativeThemeBase:
  24   SkColor GetSystemColor(ColorId color_id) const override;
  25   void PaintMenuPopupBackground(
  26       SkCanvas* canvas,
  27       const gfx::Size& size,
  28       const MenuBackgroundExtraParams& menu_background) const override;
  29   void PaintMenuItemBackground(
  30       SkCanvas* canvas,
  31       State state,
  32       const gfx::Rect& rect,
  33       const MenuListExtraParams& menu_list) const override;
  34
  35   // Returns various widgets for theming use.
  36   GtkWidget* GetWindow() const;
  37   GtkWidget* GetEntry() const;
  38   GtkWidget* GetLabel() const;
  39   GtkWidget* GetButton() const;
  40   GtkWidget* GetBlueButton() const;
  41   GtkWidget* GetTree() const;
  42   GtkWidget* GetTooltip() const;
  43   GtkWidget* GetMenu() const;
  44   GtkWidget* GetMenuItem() const;
  45
  46  private:
  47   NativeThemeGtk2();
  48   ~NativeThemeGtk2() override;
  49
  50   mutable OwnedWidgetGtk fake_window_;
  51   mutable OwnedWidgetGtk fake_entry_;
  52   mutable OwnedWidgetGtk fake_label_;
  53   mutable OwnedWidgetGtk fake_button_;
  54   mutable OwnedWidgetGtk fake_bluebutton_;
  55   mutable OwnedWidgetGtk fake_tree_;
  56   mutable OwnedWidgetGtk fake_tooltip_;
  57   mutable OwnedWidgetGtk fake_menu_;
  58   mutable OwnedWidgetGtk fake_menu_item_;
  59
  60   DISALLOW_COPY_AND_ASSIGN(NativeThemeGtk2);
  61 };
  62
  63 }  // namespace libgtk2ui
  64
  65 #endif  // CHROME_BROWSER_UI_LIBGTK2UI_NATIVE_THEME_GTK2_H_