1/*
2 * Copyright (C) 2006, 2007, 2008, 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 V8NPObject_h
32#define V8NPObject_h
33
34#include <v8.h>
35
36struct NPObject;
37
38namespace blink {
39
40// These functions can be replaced by normal JS operation.
41// Getters
42void npObjectNamedPropertyGetter(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Value>&);
43void npObjectIndexedPropertyGetter(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>&);
44void npObjectGetNamedProperty(v8::Local<v8::Object> self, v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Value>&);
45void npObjectGetIndexedProperty(v8::Local<v8::Object> self, uint32_t index, const v8::PropertyCallbackInfo<v8::Value>&);
46
47// Setters
48void npObjectNamedPropertySetter(v8::Local<v8::String> name, v8::Local<v8::Value>, const v8::PropertyCallbackInfo<v8::Value>&);
49void npObjectIndexedPropertySetter(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>&);
50void npObjectSetNamedProperty(v8::Local<v8::Object> self, v8::Local<v8::String> name, v8::Local<v8::Value>, const v8::PropertyCallbackInfo<v8::Value>&);
51void npObjectSetIndexedProperty(v8::Local<v8::Object> self, uint32_t index, v8::Local<v8::Value>, const v8::PropertyCallbackInfo<v8::Value>&);
52
53void npObjectInvokeDefaultHandler(const v8::FunctionCallbackInfo<v8::Value>&);
54
55// Get a wrapper for a NPObject.
56// If the object is already wrapped, the pre-existing wrapper will be returned. If the object is not wrapped, wrap it, and
57// give V8 a weak reference to the wrapper which will cleanup when there are no more JS references to the object.
58v8::Local<v8::Object> createV8ObjectForNPObject(NPObject*, NPObject* root, v8::Isolate*);
59
60// Tell V8 to forcibly remove an object.
61// This is used at plugin teardown so that the caller can aggressively unload the plugin library. After calling this
62// function, the persistent handle to the wrapper will be gone, and the wrapped NPObject will be removed so that it
63// cannot be referred to.
64void forgetV8ObjectForNPObject(NPObject*);
65
66} // namespace blink
67
68#endif // V8NPObject_h
69