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Side by Side Diff: content/common/webkit_param_traits.h

Issue 8368004: Move common_param_traits and webkit_param_traits to content/public/common. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 9 years, 2 months ago
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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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