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 36 struct NPObject; 37 38 namespace WebCore { 39 40 // These functions can be replaced by normal JS operation. 41 // Getters 42 void npObjectNamedPropertyGetter(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Value>&); 43 void npObjectIndexedPropertyGetter(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>&); 44 void npObjectGetNamedProperty(v8::Local<v8::Object> self, v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Value>&); 45 void npObjectGetIndexedProperty(v8::Local<v8::Object> self, uint32_t index, const v8::PropertyCallbackInfo<v8::Value>&); 46 47 // Setters 48 void npObjectNamedPropertySetter(v8::Local<v8::String> name, v8::Local<v8::Value>, const v8::PropertyCallbackInfo<v8::Value>&); 49 void npObjectIndexedPropertySetter(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>&); 50 void npObjectSetNamedProperty(v8::Local<v8::Object> self, v8::Local<v8::String> name, v8::Local<v8::Value>, const v8::PropertyCallbackInfo<v8::Value>&); 51 void npObjectSetIndexedProperty(v8::Local<v8::Object> self, uint32_t index, v8::Local<v8::Value>, const v8::PropertyCallbackInfo<v8::Value>&); 52 53 void 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. 58 v8::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. 64 void forgetV8ObjectForNPObject(NPObject*); 65 66 } // namespace WebCore 67 68 #endif // V8NPObject_h 69
