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      1 // Copyright (c) 2011 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_GTK_CHROME_GTK_FRAME_H_
      6 #define CHROME_BROWSER_UI_GTK_CHROME_GTK_FRAME_H_
      7 #pragma once
      8 
      9 #include <gdk/gdk.h>
     10 #include <gtk/gtkwindow.h>
     11 
     12 G_BEGIN_DECLS
     13 
     14 // This file declares two subclasses of GtkWindow for easier gtk+ theme
     15 // integration.
     16 //
     17 // The first is "MetaFrames," which is (was?) the name of a gobject class in
     18 // the metacity window manager. To actually get at those values, we need to
     19 // have an object whose gobject class name string matches the definitions in
     20 // the gtkrc file. MetaFrames derives from GtkWindow.
     21 //
     22 // Metaframes can not be instantiated. It has no constructor; instantiate
     23 // ChromeGtkFrame instead.
     24 typedef struct _MetaFrames       MetaFrames;
     25 typedef struct _MetaFramesClass  MetaFramesClass;
     26 
     27 struct _MetaFrames {
     28   GtkWindow window;
     29 };
     30 
     31 struct _MetaFramesClass {
     32   GtkWindowClass parent_class;
     33 };
     34 
     35 
     36 // The second is ChromeGtkFrame, which defines a number of optional style
     37 // properties so theme authors can control how chromium appears in gtk-theme
     38 // mode.  It derives from MetaFrames in chrome so older themes that declare a
     39 // MetaFrames theme will still work. New themes should target this class.
     40 typedef struct _ChromeGtkFrame       ChromeGtkFrame;
     41 typedef struct _ChromeGtkFrameClass  ChromeGtkFrameClass;
     42 
     43 struct _ChromeGtkFrame {
     44   MetaFrames frames;
     45 };
     46 
     47 struct _ChromeGtkFrameClass {
     48   MetaFramesClass frames_class;
     49 };
     50 
     51 // Creates a GtkWindow object the the class name "ChromeGtkFrame".
     52 GtkWidget* chrome_gtk_frame_new();
     53 
     54 G_END_DECLS
     55 
     56 #endif  // CHROME_BROWSER_UI_GTK_CHROME_GTK_FRAME_H_
     57