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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 // This file is used to define IPC::ParamTraits<> specializations for a number | |
6 // of WebKit types so that they can be serialized over IPC. IPC::ParamTraits<> | |
7 // specializations for basic types (like int and std::string) and types in the | |
8 // 'base' project can be found in ipc/ipc_message_utils.h. This file contains | |
9 // specializations for types that are used by the content code, and which need | |
10 // manual serialization code. This is usually because they're not structs with | |
11 // public members. | |
12 | |
13 #ifndef CONTENT_COMMON_WEBKIT_PARAM_TRAITS_H_ | |
14 #define CONTENT_COMMON_WEBKIT_PARAM_TRAITS_H_ | |
15 #pragma once | |
16 | |
17 #include <string> | |
18 | |
19 #include "base/memory/ref_counted.h" | |
20 #include "content/common/content_export.h" | |
21 #include "ipc/ipc_message_utils.h" | |
22 #include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h" | |
23 #include "third_party/WebKit/Source/WebKit/chromium/public/WebTextDirection.h" | |
24 #include "webkit/blob/blob_data.h" | |
25 #include "webkit/glue/npruntime_util.h" | |
26 #include "webkit/glue/resource_type.h" | |
27 #include "webkit/glue/webcursor.h" | |
28 #include "webkit/glue/window_open_disposition.h" | |
29 #include "webkit/plugins/webplugininfo.h" | |
30 | |
31 namespace webkit_glue { | |
32 struct PasswordForm; | |
33 struct ResourceDevToolsInfo; | |
34 struct ResourceLoadTimingInfo; | |
35 } | |
36 | |
37 // Define the NPVariant_Param struct and its enum here since it needs manual | |
38 // serialization code. | |
39 enum NPVariant_ParamEnum { | |
40 NPVARIANT_PARAM_VOID, | |
41 NPVARIANT_PARAM_NULL, | |
42 NPVARIANT_PARAM_BOOL, | |
43 NPVARIANT_PARAM_INT, | |
44 NPVARIANT_PARAM_DOUBLE, | |
45 NPVARIANT_PARAM_STRING, | |
46 // Used when when the NPObject is running in the caller's process, so we | |
47 // create an NPObjectProxy in the other process. | |
48 NPVARIANT_PARAM_SENDER_OBJECT_ROUTING_ID, | |
49 // Used when the NPObject we're sending is running in the callee's process | |
50 // (i.e. we have an NPObjectProxy for it). In that case we want the callee | |
51 // to just use the raw pointer. | |
52 NPVARIANT_PARAM_RECEIVER_OBJECT_ROUTING_ID, | |
53 }; | |
54 | |
55 struct NPVariant_Param { | |
56 NPVariant_Param(); | |
57 ~NPVariant_Param(); | |
58 | |
59 NPVariant_ParamEnum type; | |
60 bool bool_value; | |
61 int int_value; | |
62 double double_value; | |
63 std::string string_value; | |
64 int npobject_routing_id; | |
65 }; | |
66 | |
67 struct NPIdentifier_Param { | |
68 NPIdentifier_Param(); | |
69 ~NPIdentifier_Param(); | |
70 | |
71 NPIdentifier identifier; | |
72 }; | |
73 | |
74 namespace IPC { | |
75 | |
76 template <> | |
77 struct ParamTraits<webkit_glue::ResourceLoadTimingInfo> { | |
78 typedef webkit_glue::ResourceLoadTimingInfo param_type; | |
79 static void Write(Message* m, const param_type& p); | |
80 static bool Read(const Message* m, void** iter, param_type* r); | |
81 static void Log(const param_type& p, std::string* l); | |
82 }; | |
83 | |
84 template <> | |
85 struct ParamTraits<scoped_refptr<webkit_glue::ResourceDevToolsInfo> > { | |
86 typedef scoped_refptr<webkit_glue::ResourceDevToolsInfo> param_type; | |
87 static void Write(Message* m, const param_type& p); | |
88 static bool Read(const Message* m, void** iter, param_type* r); | |
89 static void Log(const param_type& p, std::string* l); | |
90 }; | |
91 | |
92 template <> | |
93 struct ParamTraits<NPVariant_Param> { | |
94 typedef NPVariant_Param param_type; | |
95 static void Write(Message* m, const param_type& p); | |
96 static bool Read(const Message* m, void** iter, param_type* r); | |
97 static void Log(const param_type& p, std::string* l); | |
98 }; | |
99 | |
100 template <> | |
101 struct ParamTraits<NPIdentifier_Param> { | |
102 typedef NPIdentifier_Param param_type; | |
103 static void Write(Message* m, const param_type& p); | |
104 static bool Read(const Message* m, void** iter, param_type* r); | |
105 static void Log(const param_type& p, std::string* l); | |
106 }; | |
107 | |
108 template <> | |
109 struct ParamTraits<webkit::WebPluginMimeType> { | |
110 typedef webkit::WebPluginMimeType param_type; | |
111 static void Write(Message* m, const param_type& p); | |
112 static bool Read(const Message* m, void** iter, param_type* r); | |
113 static void Log(const param_type& p, std::string* l); | |
114 }; | |
115 | |
116 template <> | |
117 struct CONTENT_EXPORT ParamTraits<webkit::WebPluginInfo> { | |
118 typedef webkit::WebPluginInfo param_type; | |
119 static void Write(Message* m, const param_type& p); | |
120 static bool Read(const Message* m, void** iter, param_type* r); | |
121 static void Log(const param_type& p, std::string* l); | |
122 }; | |
123 | |
124 template <> | |
125 struct ParamTraits<WebCursor> { | |
126 typedef WebCursor param_type; | |
127 static void Write(Message* m, const param_type& p) { | |
128 p.Serialize(m); | |
129 } | |
130 static bool Read(const Message* m, void** iter, param_type* r) { | |
131 return r->Deserialize(m, iter); | |
132 } | |
133 static void Log(const param_type& p, std::string* l) { | |
134 l->append("<WebCursor>"); | |
135 } | |
136 }; | |
137 | |
138 template <> | |
139 struct ParamTraits<WebKit::WebInputEvent::Type> { | |
140 typedef WebKit::WebInputEvent::Type param_type; | |
141 static void Write(Message* m, const param_type& p) { | |
142 m->WriteInt(p); | |
143 } | |
144 static bool Read(const Message* m, void** iter, param_type* p) { | |
145 int type; | |
146 if (!m->ReadInt(iter, &type)) | |
147 return false; | |
148 *p = static_cast<WebKit::WebInputEvent::Type>(type); | |
149 return true; | |
150 } | |
151 static void Log(const param_type& p, std::string* l) { | |
152 const char* type; | |
153 switch (p) { | |
154 case WebKit::WebInputEvent::MouseDown: | |
155 type = "MouseDown"; | |
156 break; | |
157 case WebKit::WebInputEvent::MouseUp: | |
158 type = "MouseUp"; | |
159 break; | |
160 case WebKit::WebInputEvent::MouseMove: | |
161 type = "MouseMove"; | |
162 break; | |
163 case WebKit::WebInputEvent::MouseLeave: | |
164 type = "MouseLeave"; | |
165 break; | |
166 case WebKit::WebInputEvent::MouseEnter: | |
167 type = "MouseEnter"; | |
168 break; | |
169 case WebKit::WebInputEvent::MouseWheel: | |
170 type = "MouseWheel"; | |
171 break; | |
172 case WebKit::WebInputEvent::RawKeyDown: | |
173 type = "RawKeyDown"; | |
174 break; | |
175 case WebKit::WebInputEvent::KeyDown: | |
176 type = "KeyDown"; | |
177 break; | |
178 case WebKit::WebInputEvent::KeyUp: | |
179 type = "KeyUp"; | |
180 break; | |
181 default: | |
182 type = "None"; | |
183 break; | |
184 } | |
185 LogParam(std::string(type), l); | |
186 } | |
187 }; | |
188 | |
189 typedef const WebKit::WebInputEvent* WebInputEventPointer; | |
190 template <> | |
191 struct ParamTraits<WebInputEventPointer> { | |
192 typedef WebInputEventPointer param_type; | |
193 static void Write(Message* m, const param_type& p) { | |
194 m->WriteData(reinterpret_cast<const char*>(p), p->size); | |
195 } | |
196 // Note: upon read, the event has the lifetime of the message. | |
197 static bool Read(const Message* m, void** iter, param_type* r) { | |
198 const char* data; | |
199 int data_length; | |
200 if (!m->ReadData(iter, &data, &data_length)) { | |
201 NOTREACHED(); | |
202 return false; | |
203 } | |
204 if (data_length < static_cast<int>(sizeof(WebKit::WebInputEvent))) { | |
205 NOTREACHED(); | |
206 return false; | |
207 } | |
208 param_type event = reinterpret_cast<param_type>(data); | |
209 // Check that the data size matches that of the event (we check the latter | |
210 // in the delegate). | |
211 if (data_length != static_cast<int>(event->size)) { | |
212 NOTREACHED(); | |
213 return false; | |
214 } | |
215 *r = event; | |
216 return true; | |
217 } | |
218 static void Log(const param_type& p, std::string* l) { | |
219 l->append("("); | |
220 LogParam(p->size, l); | |
221 l->append(", "); | |
222 LogParam(p->type, l); | |
223 l->append(", "); | |
224 LogParam(p->timeStampSeconds, l); | |
225 l->append(")"); | |
226 } | |
227 }; | |
228 | |
229 template <> | |
230 struct SimilarTypeTraits<WebKit::WebTextDirection> { | |
231 typedef int Type; | |
232 }; | |
233 | |
234 template <> | |
235 struct SimilarTypeTraits<WindowOpenDisposition> { | |
236 typedef int Type; | |
237 }; | |
238 | |
239 template <> | |
240 struct CONTENT_EXPORT ParamTraits<webkit_glue::PasswordForm> { | |
241 typedef webkit_glue::PasswordForm param_type; | |
242 static void Write(Message* m, const param_type& p); | |
243 static bool Read(const Message* m, void** iter, param_type* p); | |
244 static void Log(const param_type& p, std::string* l); | |
245 }; | |
246 | |
247 } // namespace IPC | |
248 | |
249 #endif // CONTENT_COMMON_WEBKIT_PARAM_TRAITS_H_ | |
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