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1 // Copyright (c) 2010 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 #include "chrome/browser/gtk/view_id_util.h" | |
6 | |
7 #include <stdint.h> | |
8 #include <string> | |
9 | |
10 #include <gtk/gtk.h> | |
11 | |
12 #include "base/logging.h" | |
13 | |
14 namespace { | |
15 | |
16 const char kViewIDString[] = "__VIEW_ID__"; | |
17 const char kViewIDOverrideString[] = "__VIEW_ID_OVERRIDE__"; | |
18 | |
19 struct ViewIDSearchStruct { | |
20 ViewID id; // Input: the ID we are searching for. | |
21 GtkWidget* widget; // Output: the found widget, or NULL. | |
22 }; | |
23 | |
24 // Recursively search for the given view ID among the children of |widget|. | |
25 void SearchForWidgetWithViewID(GtkWidget* widget, gpointer data) { | |
26 ViewIDSearchStruct* search_struct = | |
27 reinterpret_cast<ViewIDSearchStruct*>(data); | |
28 | |
29 // The widget has already been found; abort the search. | |
30 if (search_struct->widget) | |
31 return; | |
32 | |
33 // Check if the widget defines its own ID function. | |
34 ViewIDUtil::Delegate* delegate = reinterpret_cast<ViewIDUtil::Delegate*>( | |
35 g_object_get_data(G_OBJECT(widget), kViewIDOverrideString)); | |
36 if (delegate) { | |
37 search_struct->widget = delegate->GetWidgetForViewID(search_struct->id); | |
38 // If there was success, return. | |
39 if (search_struct->widget) | |
40 return; | |
41 } | |
42 | |
43 // Otherwise check the g_object data. | |
44 int widget_id = | |
45 reinterpret_cast<intptr_t>(g_object_get_data(G_OBJECT(widget), | |
46 kViewIDString)); | |
47 if (search_struct->id == widget_id) { | |
48 // Success; set |widget| and return. | |
49 search_struct->widget = widget; | |
50 return; | |
51 } | |
52 | |
53 // Recurse. | |
54 if (GTK_IS_CONTAINER(widget)) { | |
55 gtk_container_foreach(GTK_CONTAINER(widget), | |
56 SearchForWidgetWithViewID, data); | |
57 } | |
58 } | |
59 | |
60 const char* GetNameFromID(ViewID id) { | |
61 switch (id) { | |
62 case VIEW_ID_TAB_STRIP: | |
63 return "chrome-tab-strip"; | |
64 | |
65 case VIEW_ID_TOOLBAR: | |
66 return "chrome-toolbar"; | |
67 | |
68 case VIEW_ID_BACK_BUTTON: | |
69 return "chrome-toolbar-back-button"; | |
70 | |
71 case VIEW_ID_FORWARD_BUTTON: | |
72 return "chrome-toolbar-forward-button"; | |
73 | |
74 case VIEW_ID_RELOAD_BUTTON: | |
75 return "chrome-toolbar-reload-button"; | |
76 | |
77 case VIEW_ID_HOME_BUTTON: | |
78 return "chrome-toolbar-home-button"; | |
79 | |
80 case VIEW_ID_STAR_BUTTON: | |
81 return "chrome-toolbar-star-button"; | |
82 | |
83 case VIEW_ID_LOCATION_BAR: | |
84 return "chrome-location-bar"; | |
85 | |
86 case VIEW_ID_BROWSER_ACTION_TOOLBAR: | |
87 return "chrome-toolbar-browser-actions-container"; | |
88 | |
89 case VIEW_ID_APP_MENU: | |
90 return "chrome-app-menu"; | |
91 | |
92 case VIEW_ID_AUTOCOMPLETE: | |
93 return "chrome-autocomplete-edit"; | |
94 | |
95 case VIEW_ID_BOOKMARK_BAR: | |
96 return "chrome-bookmark-bar"; | |
97 | |
98 case VIEW_ID_OTHER_BOOKMARKS: | |
99 return "chrome-bookmark-bar-other-bookmarks"; | |
100 | |
101 case VIEW_ID_FIND_IN_PAGE_TEXT_FIELD: | |
102 return "chrome-find-in-page-entry"; | |
103 | |
104 case VIEW_ID_FIND_IN_PAGE: | |
105 return "chrome-find-in-page"; | |
106 | |
107 case VIEW_ID_DEV_TOOLS_DOCKED: | |
108 return "chrome-dev-tools-docked"; | |
109 | |
110 // These are never hit because the tab container uses the delegate to | |
111 // set its ID. | |
112 case VIEW_ID_TAB_CONTAINER: | |
113 case VIEW_ID_TAB_CONTAINER_FOCUS_VIEW: | |
114 default: | |
115 NOTREACHED() << "If you added a new VIEW_ID, please provide " | |
116 "a name for the widget."; | |
117 return NULL; | |
118 } | |
119 } | |
120 | |
121 } // namespace | |
122 | |
123 void ViewIDUtil::SetID(GtkWidget* widget, ViewID id) { | |
124 const char* name = GetNameFromID(id); | |
125 if (name) | |
126 gtk_widget_set_name(widget, name); | |
127 g_object_set_data(G_OBJECT(widget), kViewIDString, | |
128 reinterpret_cast<void*>(id)); | |
129 } | |
130 | |
131 GtkWidget* ViewIDUtil::GetWidget(GtkWidget* root, ViewID id) { | |
132 ViewIDSearchStruct search_struct = { id, NULL }; | |
133 SearchForWidgetWithViewID(root, &search_struct); | |
134 return search_struct.widget; | |
135 } | |
136 | |
137 void ViewIDUtil::SetDelegateForWidget(GtkWidget* widget, Delegate* delegate) { | |
138 g_object_set_data(G_OBJECT(widget), kViewIDOverrideString, delegate); | |
139 } | |
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