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Side by Side Diff: ui/base/gtk/gtk_signal_registrar.h

Issue 93863005: ui: Rename ui_export.h to ui_base_export.h (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: UI_BASE_IMPLEMENTATION Created 6 years, 11 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 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 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 #ifndef UI_BASE_GTK_GTK_SIGNAL_REGISTRAR_H_ 5 #ifndef UI_BASE_GTK_GTK_SIGNAL_REGISTRAR_H_
6 #define UI_BASE_GTK_GTK_SIGNAL_REGISTRAR_H_ 6 #define UI_BASE_GTK_GTK_SIGNAL_REGISTRAR_H_
7 7
8 #include <glib.h> 8 #include <glib.h>
9 #include <map> 9 #include <map>
10 #include <vector> 10 #include <vector>
11 11
12 #include "base/basictypes.h" 12 #include "base/basictypes.h"
13 #include "ui/base/ui_export.h" 13 #include "ui/base/ui_base_export.h"
14 14
15 typedef void (*GCallback) (void); 15 typedef void (*GCallback) (void);
16 typedef struct _GObject GObject; 16 typedef struct _GObject GObject;
17 typedef struct _GtkWidget GtkWidget; 17 typedef struct _GtkWidget GtkWidget;
18 18
19 namespace ui { 19 namespace ui {
20 20
21 // A class that ensures that callbacks don't run on stale owner objects. Similar 21 // A class that ensures that callbacks don't run on stale owner objects. Similar
22 // in spirit to NotificationRegistrar. Use as follows: 22 // in spirit to NotificationRegistrar. Use as follows:
23 // 23 //
24 // class ChromeObject { 24 // class ChromeObject {
25 // public: 25 // public:
26 // ChromeObject() { 26 // ChromeObject() {
27 // ... 27 // ...
28 // 28 //
29 // signals_.Connect(widget, "event", CallbackThunk, this); 29 // signals_.Connect(widget, "event", CallbackThunk, this);
30 // } 30 // }
31 // 31 //
32 // ... 32 // ...
33 // 33 //
34 // private: 34 // private:
35 // GtkSignalRegistrar signals_; 35 // GtkSignalRegistrar signals_;
36 // }; 36 // };
37 // 37 //
38 // When |signals_| goes down, it will disconnect the handlers connected via 38 // When |signals_| goes down, it will disconnect the handlers connected via
39 // Connect. 39 // Connect.
40 class UI_EXPORT GtkSignalRegistrar { 40 class UI_BASE_EXPORT GtkSignalRegistrar {
41 public: 41 public:
42 GtkSignalRegistrar(); 42 GtkSignalRegistrar();
43 ~GtkSignalRegistrar(); 43 ~GtkSignalRegistrar();
44 44
45 // Connect before the default handler. Returns the handler id. 45 // Connect before the default handler. Returns the handler id.
46 glong Connect(gpointer instance, const gchar* detailed_signal, 46 glong Connect(gpointer instance, const gchar* detailed_signal,
47 GCallback signal_handler, gpointer data); 47 GCallback signal_handler, gpointer data);
48 // Connect after the default handler. Returns the handler id. 48 // Connect after the default handler. Returns the handler id.
49 glong ConnectAfter(gpointer instance, const gchar* detailed_signal, 49 glong ConnectAfter(gpointer instance, const gchar* detailed_signal,
50 GCallback signal_handler, gpointer data); 50 GCallback signal_handler, gpointer data);
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66 GCallback signal_handler, gpointer data, bool after); 66 GCallback signal_handler, gpointer data, bool after);
67 67
68 HandlerMap handler_lists_; 68 HandlerMap handler_lists_;
69 69
70 DISALLOW_COPY_AND_ASSIGN(GtkSignalRegistrar); 70 DISALLOW_COPY_AND_ASSIGN(GtkSignalRegistrar);
71 }; 71 };
72 72
73 } // namespace ui 73 } // namespace ui
74 74
75 #endif // UI_BASE_GTK_GTK_SIGNAL_REGISTRAR_H_ 75 #endif // UI_BASE_GTK_GTK_SIGNAL_REGISTRAR_H_
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