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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 "ppapi/proxy/serialized_flash_menu.h" | 5 #include "ppapi/proxy/serialized_flash_menu.h" |
6 | 6 |
7 #include "ipc/ipc_message.h" | 7 #include "ipc/ipc_message.h" |
8 #include "ppapi/c/private/ppb_flash_menu.h" | 8 #include "ppapi/c/private/ppb_flash_menu.h" |
9 #include "ppapi/proxy/ppapi_param_traits.h" | 9 #include "ppapi/proxy/ppapi_param_traits.h" |
10 | 10 |
11 namespace ppapi { | 11 namespace ppapi { |
12 namespace proxy { | 12 namespace proxy { |
13 | 13 |
14 namespace { | 14 namespace { |
15 // Maximum depth of submenus allowed (e.g., 1 indicates that submenus are | 15 // Maximum depth of submenus allowed (e.g., 1 indicates that submenus are |
16 // allowed, but not sub-submenus). | 16 // allowed, but not sub-submenus). |
17 const int kMaxMenuDepth = 2; | 17 const int kMaxMenuDepth = 2; |
18 const uint32_t kMaxMenuEntries = 1000; | 18 const uint32_t kMaxMenuEntries = 1000; |
19 | 19 |
20 bool CheckMenu(int depth, const PP_Flash_Menu* menu); | 20 bool CheckMenu(int depth, const PP_Flash_Menu* menu); |
21 void FreeMenu(const PP_Flash_Menu* menu); | 21 void FreeMenu(const PP_Flash_Menu* menu); |
22 void WriteMenu(IPC::Message* m, const PP_Flash_Menu* menu); | 22 void WriteMenu(IPC::Message* m, const PP_Flash_Menu* menu); |
23 PP_Flash_Menu* ReadMenu(int depth, const IPC::Message* m, PickleIterator* iter); | 23 PP_Flash_Menu* ReadMenu(int depth, |
| 24 const IPC::Message* m, |
| 25 base::PickleIterator* iter); |
24 | 26 |
25 bool CheckMenuItem(int depth, const PP_Flash_MenuItem* item) { | 27 bool CheckMenuItem(int depth, const PP_Flash_MenuItem* item) { |
26 if (item->type == PP_FLASH_MENUITEM_TYPE_SUBMENU) | 28 if (item->type == PP_FLASH_MENUITEM_TYPE_SUBMENU) |
27 return CheckMenu(depth, item->submenu); | 29 return CheckMenu(depth, item->submenu); |
28 return true; | 30 return true; |
29 } | 31 } |
30 | 32 |
31 bool CheckMenu(int depth, const PP_Flash_Menu* menu) { | 33 bool CheckMenu(int depth, const PP_Flash_Menu* menu) { |
32 if (depth > kMaxMenuDepth || !menu) | 34 if (depth > kMaxMenuDepth || !menu) |
33 return false; | 35 return false; |
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71 if (menu->items) { | 73 if (menu->items) { |
72 for (uint32_t i = 0; i < menu->count; ++i) | 74 for (uint32_t i = 0; i < menu->count; ++i) |
73 FreeMenuItem(menu->items + i); | 75 FreeMenuItem(menu->items + i); |
74 delete [] menu->items; | 76 delete [] menu->items; |
75 } | 77 } |
76 delete menu; | 78 delete menu; |
77 } | 79 } |
78 | 80 |
79 bool ReadMenuItem(int depth, | 81 bool ReadMenuItem(int depth, |
80 const IPC::Message* m, | 82 const IPC::Message* m, |
81 PickleIterator* iter, | 83 base::PickleIterator* iter, |
82 PP_Flash_MenuItem* menu_item) { | 84 PP_Flash_MenuItem* menu_item) { |
83 uint32_t type; | 85 uint32_t type; |
84 if (!iter->ReadUInt32(&type)) | 86 if (!iter->ReadUInt32(&type)) |
85 return false; | 87 return false; |
86 if (type > PP_FLASH_MENUITEM_TYPE_SUBMENU) | 88 if (type > PP_FLASH_MENUITEM_TYPE_SUBMENU) |
87 return false; | 89 return false; |
88 menu_item->type = static_cast<PP_Flash_MenuItem_Type>(type); | 90 menu_item->type = static_cast<PP_Flash_MenuItem_Type>(type); |
89 std::string name; | 91 std::string name; |
90 if (!iter->ReadString(&name)) | 92 if (!iter->ReadString(&name)) |
91 return false; | 93 return false; |
92 menu_item->name = new char[name.size() + 1]; | 94 menu_item->name = new char[name.size() + 1]; |
93 std::copy(name.begin(), name.end(), menu_item->name); | 95 std::copy(name.begin(), name.end(), menu_item->name); |
94 menu_item->name[name.size()] = 0; | 96 menu_item->name[name.size()] = 0; |
95 if (!iter->ReadInt(&menu_item->id)) | 97 if (!iter->ReadInt(&menu_item->id)) |
96 return false; | 98 return false; |
97 if (!IPC::ParamTraits<PP_Bool>::Read(m, iter, &menu_item->enabled)) | 99 if (!IPC::ParamTraits<PP_Bool>::Read(m, iter, &menu_item->enabled)) |
98 return false; | 100 return false; |
99 if (!IPC::ParamTraits<PP_Bool>::Read(m, iter, &menu_item->checked)) | 101 if (!IPC::ParamTraits<PP_Bool>::Read(m, iter, &menu_item->checked)) |
100 return false; | 102 return false; |
101 if (type == PP_FLASH_MENUITEM_TYPE_SUBMENU) { | 103 if (type == PP_FLASH_MENUITEM_TYPE_SUBMENU) { |
102 menu_item->submenu = ReadMenu(depth, m, iter); | 104 menu_item->submenu = ReadMenu(depth, m, iter); |
103 if (!menu_item->submenu) | 105 if (!menu_item->submenu) |
104 return false; | 106 return false; |
105 } | 107 } |
106 return true; | 108 return true; |
107 } | 109 } |
108 | 110 |
109 PP_Flash_Menu* ReadMenu(int depth, | 111 PP_Flash_Menu* ReadMenu(int depth, |
110 const IPC::Message* m, | 112 const IPC::Message* m, |
111 PickleIterator* iter) { | 113 base::PickleIterator* iter) { |
112 if (depth > kMaxMenuDepth) | 114 if (depth > kMaxMenuDepth) |
113 return NULL; | 115 return NULL; |
114 ++depth; | 116 ++depth; |
115 | 117 |
116 PP_Flash_Menu* menu = new PP_Flash_Menu; | 118 PP_Flash_Menu* menu = new PP_Flash_Menu; |
117 menu->items = NULL; | 119 menu->items = NULL; |
118 | 120 |
119 if (!iter->ReadUInt32(&menu->count)) { | 121 if (!iter->ReadUInt32(&menu->count)) { |
120 FreeMenu(menu); | 122 FreeMenu(menu); |
121 return NULL; | 123 return NULL; |
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160 own_menu_ = false; | 162 own_menu_ = false; |
161 return true; | 163 return true; |
162 } | 164 } |
163 | 165 |
164 | 166 |
165 void SerializedFlashMenu::WriteToMessage(IPC::Message* m) const { | 167 void SerializedFlashMenu::WriteToMessage(IPC::Message* m) const { |
166 WriteMenu(m, pp_menu_); | 168 WriteMenu(m, pp_menu_); |
167 } | 169 } |
168 | 170 |
169 bool SerializedFlashMenu::ReadFromMessage(const IPC::Message* m, | 171 bool SerializedFlashMenu::ReadFromMessage(const IPC::Message* m, |
170 PickleIterator* iter) { | 172 base::PickleIterator* iter) { |
171 DCHECK(!pp_menu_); | 173 DCHECK(!pp_menu_); |
172 pp_menu_ = ReadMenu(0, m, iter); | 174 pp_menu_ = ReadMenu(0, m, iter); |
173 if (!pp_menu_) | 175 if (!pp_menu_) |
174 return false; | 176 return false; |
175 | 177 |
176 own_menu_ = true; | 178 own_menu_ = true; |
177 return true; | 179 return true; |
178 } | 180 } |
179 | 181 |
180 } // namespace proxy | 182 } // namespace proxy |
181 } // namespace ppapi | 183 } // namespace ppapi |
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