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1 /* | |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions are | |
6 * met: | |
7 * | |
8 * * Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * * Redistributions in binary form must reproduce the above | |
11 * copyright notice, this list of conditions and the following disclaimer | |
12 * in the documentation and/or other materials provided with the | |
13 * distribution. | |
14 * * Neither the name of Google Inc. nor the names of its | |
15 * contributors may be used to endorse or promote products derived from | |
16 * this software without specific prior written permission. | |
17 * | |
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 */ | |
30 | |
31 #ifndef WebBindings_h | |
32 #define WebBindings_h | |
33 | |
34 #include "../platform/WebCommon.h" | |
35 #include "../platform/WebString.h" | |
36 #include "../platform/WebVector.h" | |
37 #include <bindings/npruntime.h> | |
38 | |
39 namespace v8 { | |
40 class Value; | |
41 template <class T> class Handle; | |
42 template <class T> class Local; | |
43 } | |
44 | |
45 namespace WebKit { | |
46 | |
47 class WebArrayBuffer; | |
48 class WebArrayBufferView; | |
49 class WebDragData; | |
50 class WebElement; | |
51 class WebNode; | |
52 class WebRange; | |
53 | |
54 // A haphazard collection of functions for dealing with plugins. | |
55 class WebBindings { | |
56 public: | |
57 // NPN Functions ------------------------------------------------------ | |
58 // These are all defined in npruntime.h and are well documented. | |
59 | |
60 // NPN_Construct | |
61 WEBKIT_EXPORT static bool construct(NPP, NPObject*, const NPVariant* args, u
int32_t argCount, NPVariant* result); | |
62 | |
63 // NPN_CreateObject | |
64 WEBKIT_EXPORT static NPObject* createObject(NPP, NPClass*); | |
65 | |
66 // NPN_Enumerate | |
67 WEBKIT_EXPORT static bool enumerate(NPP, NPObject*, NPIdentifier**, uint32_t
* identifierCount); | |
68 | |
69 // NPN_Evaluate | |
70 WEBKIT_EXPORT static bool evaluate(NPP, NPObject*, NPString* script, NPVaria
nt* result); | |
71 | |
72 // NPN_EvaluateHelper | |
73 WEBKIT_EXPORT static bool evaluateHelper(NPP, bool popupsAllowed, NPObject*,
NPString* script, NPVariant* result); | |
74 | |
75 // NPN_GetIntIdentifier | |
76 WEBKIT_EXPORT static NPIdentifier getIntIdentifier(int32_t number); | |
77 | |
78 // NPN_GetProperty | |
79 WEBKIT_EXPORT static bool getProperty(NPP, NPObject*, NPIdentifier property,
NPVariant *result); | |
80 | |
81 // NPN_GetStringIdentifier | |
82 WEBKIT_EXPORT static NPIdentifier getStringIdentifier(const NPUTF8* string); | |
83 | |
84 // NPN_GetStringIdentifiers | |
85 WEBKIT_EXPORT static void getStringIdentifiers(const NPUTF8** names, int32_t
nameCount, NPIdentifier*); | |
86 | |
87 // NPN_HasMethod | |
88 WEBKIT_EXPORT static bool hasMethod(NPP, NPObject*, NPIdentifier method); | |
89 | |
90 // NPN_HasProperty | |
91 WEBKIT_EXPORT static bool hasProperty(NPP, NPObject*, NPIdentifier property)
; | |
92 | |
93 // NPN_IdentifierIsString | |
94 WEBKIT_EXPORT static bool identifierIsString(NPIdentifier); | |
95 | |
96 // NPN_InitializeVariantWithStringCopy (though sometimes prefixed with an un
derscore) | |
97 WEBKIT_EXPORT static void initializeVariantWithStringCopy(NPVariant*, const
NPString*); | |
98 | |
99 // NPN_IntFromIdentifier | |
100 WEBKIT_EXPORT static int32_t intFromIdentifier(NPIdentifier); | |
101 | |
102 // NPN_Invoke | |
103 WEBKIT_EXPORT static bool invoke(NPP, NPObject*, NPIdentifier method, const
NPVariant* args, uint32_t argCount, NPVariant* result); | |
104 | |
105 // NPN_InvokeDefault | |
106 WEBKIT_EXPORT static bool invokeDefault(NPP, NPObject*, const NPVariant* arg
s, uint32_t argCount, NPVariant* result); | |
107 | |
108 // NPN_ReleaseObject | |
109 WEBKIT_EXPORT static void releaseObject(NPObject*); | |
110 | |
111 // NPN_ReleaseVariantValue | |
112 WEBKIT_EXPORT static void releaseVariantValue(NPVariant*); | |
113 | |
114 // NPN_RemoveProperty | |
115 WEBKIT_EXPORT static bool removeProperty(NPP, NPObject*, NPIdentifier); | |
116 | |
117 // NPN_RetainObject | |
118 WEBKIT_EXPORT static NPObject* retainObject(NPObject*); | |
119 | |
120 // NPN_SetException | |
121 WEBKIT_EXPORT static void setException(NPObject*, const NPUTF8* message); | |
122 | |
123 // NPN_SetProperty | |
124 WEBKIT_EXPORT static bool setProperty(NPP, NPObject*, NPIdentifier, const NP
Variant*); | |
125 | |
126 // _NPN_RegisterObjectOwner | |
127 WEBKIT_EXPORT static void registerObjectOwner(NPP); | |
128 | |
129 // _NPN_UnregisterObjectOwner | |
130 WEBKIT_EXPORT static void unregisterObjectOwner(NPP); | |
131 | |
132 // _NPN_UnregisterObject | |
133 WEBKIT_EXPORT static void unregisterObject(NPObject*); | |
134 | |
135 // NPN_UTF8FromIdentifier | |
136 WEBKIT_EXPORT static NPUTF8* utf8FromIdentifier(NPIdentifier); | |
137 | |
138 // Miscellaneous utility functions ---------------------------------------- | |
139 | |
140 // Complement to NPN_Get___Identifier functions. Extracts data from the NPI
dentifier data | |
141 // structure. If isString is true upon return, string will be set but numbe
r's value is | |
142 // undefined. If iString is false, the opposite is true. | |
143 WEBKIT_EXPORT static void extractIdentifierData(const NPIdentifier&, const N
PUTF8*& string, int32_t& number, bool& isString); | |
144 | |
145 // DumpRenderTree support ------------------------------------------------- | |
146 | |
147 // Return true (success) if the given npobj is a range object. | |
148 // If so, return that range as a WebRange object. | |
149 WEBKIT_EXPORT static bool getRange(NPObject* range, WebRange*); | |
150 | |
151 // Return true (success) if the given npobj is an ArrayBuffer object. | |
152 // If so, return it as a WebArrayBuffer object. | |
153 WEBKIT_EXPORT static bool getArrayBuffer(NPObject* arrayBuffer, WebArrayBuff
er*); | |
154 | |
155 // Return true (success) if the given npobj is an ArrayBufferView object. | |
156 // If so, return it as a WebArrayBufferView object. | |
157 WEBKIT_EXPORT static bool getArrayBufferView(NPObject* arrayBufferView, WebA
rrayBufferView*); | |
158 | |
159 // Return true (success) if the given npobj is a node. | |
160 // If so, return that node as a WebNode object. | |
161 WEBKIT_EXPORT static bool getNode(NPObject* element, WebNode*); | |
162 | |
163 // Return true (success) if the given npobj is an element. | |
164 // If so, return that element as a WebElement object. | |
165 WEBKIT_EXPORT static bool getElement(NPObject* element, WebElement*); | |
166 | |
167 WEBKIT_EXPORT static NPObject* makeIntArray(const WebVector<int>&); | |
168 WEBKIT_EXPORT static NPObject* makeStringArray(const WebVector<WebString>&); | |
169 | |
170 // Exceptions ------------------------------------------------------------- | |
171 | |
172 typedef void (ExceptionHandler)(void* data, const NPUTF8* message); | |
173 | |
174 // The exception handler will be notified of any exceptions thrown while | |
175 // operating on a NPObject. | |
176 WEBKIT_EXPORT static void pushExceptionHandler(ExceptionHandler, void* data)
; | |
177 WEBKIT_EXPORT static void popExceptionHandler(); | |
178 | |
179 // Conversion utilities to/from V8 native objects and NPVariant wrappers. | |
180 WEBKIT_EXPORT static void toNPVariant(v8::Local<v8::Value>, NPObject* root,
NPVariant* result); | |
181 WEBKIT_EXPORT static v8::Handle<v8::Value> toV8Value(const NPVariant*); | |
182 }; | |
183 | |
184 } // namespace WebKit | |
185 | |
186 #endif | |
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