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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "ui/gfx/gtk_preserve_window.h" | 5 #include "ui/gfx/gtk_preserve_window.h" |
6 | 6 |
7 #include <gdk/gdk.h> | 7 #include <gdk/gdk.h> |
8 #include <gtk/gtk.h> | 8 #include <gtk/gtk.h> |
9 | 9 |
10 #include "ui/base/gtk/gtk_compat.h" | 10 #include "ui/base/gtk/gtk_compat.h" |
11 | 11 |
12 G_BEGIN_DECLS | 12 G_BEGIN_DECLS |
13 | 13 |
14 #define GTK_PRESERVE_WINDOW_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), \ | 14 #define GTK_PRESERVE_WINDOW_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), \ |
15 GTK_TYPE_PRESERVE_WINDOW, \ | 15 GTK_TYPE_PRESERVE_WINDOW, \ |
16 GtkPreserveWindowPrivate)) | 16 GtkPreserveWindowPrivate)) |
17 | 17 |
18 typedef struct _GtkPreserveWindowPrivate GtkPreserveWindowPrivate; | 18 typedef struct _GtkPreserveWindowPrivate GtkPreserveWindowPrivate; |
19 | 19 |
20 struct _GtkPreserveWindowPrivate { | 20 struct _GtkPreserveWindowPrivate { |
21 // If true, don't create/destroy windows on realize/unrealize. | 21 // If true, don't create/destroy windows on realize/unrealize. |
22 gboolean preserve_window; | 22 gboolean preserve_window; |
23 | 23 |
24 // Whether or not we delegate the resize of the GdkWindow | 24 // Whether or not we delegate the resize of the GdkWindow |
25 // to someone else. | 25 // to someone else. |
26 gboolean delegate_resize; | 26 gboolean delegate_resize; |
| 27 |
| 28 // Accessible factory and userdata. |
| 29 AtkObject* (*accessible_factory)(void* userdata); |
| 30 void* accessible_factory_userdata; |
27 }; | 31 }; |
28 | 32 |
29 G_DEFINE_TYPE(GtkPreserveWindow, gtk_preserve_window, GTK_TYPE_FIXED) | 33 G_DEFINE_TYPE(GtkPreserveWindow, gtk_preserve_window, GTK_TYPE_FIXED) |
30 | 34 |
31 static void gtk_preserve_window_destroy(GtkObject* object); | 35 static void gtk_preserve_window_destroy(GtkObject* object); |
32 static void gtk_preserve_window_realize(GtkWidget* widget); | 36 static void gtk_preserve_window_realize(GtkWidget* widget); |
33 static void gtk_preserve_window_unrealize(GtkWidget* widget); | 37 static void gtk_preserve_window_unrealize(GtkWidget* widget); |
34 static void gtk_preserve_window_size_allocate(GtkWidget* widget, | 38 static void gtk_preserve_window_size_allocate(GtkWidget* widget, |
35 GtkAllocation* allocation); | 39 GtkAllocation* allocation); |
| 40 static AtkObject* gtk_preserve_window_get_accessible(GtkWidget* widget); |
36 | 41 |
37 static void gtk_preserve_window_class_init(GtkPreserveWindowClass *klass) { | 42 static void gtk_preserve_window_class_init(GtkPreserveWindowClass *klass) { |
38 GtkWidgetClass* widget_class = reinterpret_cast<GtkWidgetClass*>(klass); | 43 GtkWidgetClass* widget_class = reinterpret_cast<GtkWidgetClass*>(klass); |
39 widget_class->realize = gtk_preserve_window_realize; | 44 widget_class->realize = gtk_preserve_window_realize; |
40 widget_class->unrealize = gtk_preserve_window_unrealize; | 45 widget_class->unrealize = gtk_preserve_window_unrealize; |
41 widget_class->size_allocate = gtk_preserve_window_size_allocate; | 46 widget_class->size_allocate = gtk_preserve_window_size_allocate; |
| 47 widget_class->get_accessible = gtk_preserve_window_get_accessible; |
42 | 48 |
43 GtkObjectClass* object_class = reinterpret_cast<GtkObjectClass*>(klass); | 49 GtkObjectClass* object_class = reinterpret_cast<GtkObjectClass*>(klass); |
44 object_class->destroy = gtk_preserve_window_destroy; | 50 object_class->destroy = gtk_preserve_window_destroy; |
45 | 51 |
46 GObjectClass* gobject_class = G_OBJECT_CLASS(klass); | 52 GObjectClass* gobject_class = G_OBJECT_CLASS(klass); |
47 g_type_class_add_private(gobject_class, sizeof(GtkPreserveWindowPrivate)); | 53 g_type_class_add_private(gobject_class, sizeof(GtkPreserveWindowPrivate)); |
48 } | 54 } |
49 | 55 |
50 static void gtk_preserve_window_init(GtkPreserveWindow* widget) { | 56 static void gtk_preserve_window_init(GtkPreserveWindow* widget) { |
51 GtkPreserveWindowPrivate* priv = GTK_PRESERVE_WINDOW_GET_PRIVATE(widget); | 57 GtkPreserveWindowPrivate* priv = GTK_PRESERVE_WINDOW_GET_PRIVATE(widget); |
52 priv->preserve_window = FALSE; | 58 priv->preserve_window = FALSE; |
| 59 priv->accessible_factory = NULL; |
| 60 priv->accessible_factory_userdata = NULL; |
53 | 61 |
54 // These widgets always have their own window. | 62 // These widgets always have their own window. |
55 gtk_widget_set_has_window(GTK_WIDGET(widget), TRUE); | 63 gtk_widget_set_has_window(GTK_WIDGET(widget), TRUE); |
56 } | 64 } |
57 | 65 |
58 GtkWidget* gtk_preserve_window_new() { | 66 GtkWidget* gtk_preserve_window_new() { |
59 return GTK_WIDGET(g_object_new(GTK_TYPE_PRESERVE_WINDOW, NULL)); | 67 return GTK_WIDGET(g_object_new(GTK_TYPE_PRESERVE_WINDOW, NULL)); |
60 } | 68 } |
61 | 69 |
62 static void gtk_preserve_window_destroy(GtkObject* object) { | 70 static void gtk_preserve_window_destroy(GtkObject* object) { |
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227 children = children->next; | 235 children = children->next; |
228 } | 236 } |
229 } | 237 } |
230 | 238 |
231 void gtk_preserve_window_delegate_resize(GtkPreserveWindow* widget, | 239 void gtk_preserve_window_delegate_resize(GtkPreserveWindow* widget, |
232 gboolean delegate) { | 240 gboolean delegate) { |
233 GtkPreserveWindowPrivate* priv = GTK_PRESERVE_WINDOW_GET_PRIVATE(widget); | 241 GtkPreserveWindowPrivate* priv = GTK_PRESERVE_WINDOW_GET_PRIVATE(widget); |
234 priv->delegate_resize = delegate; | 242 priv->delegate_resize = delegate; |
235 } | 243 } |
236 | 244 |
| 245 void gtk_preserve_window_set_accessible_factory( |
| 246 GtkPreserveWindow* widget, |
| 247 AtkObject* (*factory)(void* userdata), |
| 248 gpointer userdata) { |
| 249 GtkPreserveWindowPrivate* priv = GTK_PRESERVE_WINDOW_GET_PRIVATE(widget); |
| 250 priv->accessible_factory = factory; |
| 251 priv->accessible_factory_userdata = userdata; |
| 252 } |
| 253 |
| 254 AtkObject* gtk_preserve_window_get_accessible(GtkWidget* widget) { |
| 255 GtkPreserveWindowPrivate* priv = GTK_PRESERVE_WINDOW_GET_PRIVATE(widget); |
| 256 if (priv->accessible_factory) { |
| 257 return priv->accessible_factory(priv->accessible_factory_userdata); |
| 258 } else { |
| 259 return GTK_WIDGET_CLASS(gtk_preserve_window_parent_class) |
| 260 ->get_accessible(widget); |
| 261 } |
| 262 } |
| 263 |
237 G_END_DECLS | 264 G_END_DECLS |
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