bindings/runtime.cpp

   1 /*
   2  * Copyright (C) 2003, 2006 Apple Computer, 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
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #include "config.h"
  27 #include "runtime.h"
  28
  29 #include "JSLock.h"
  30 #if ENABLE(NETSCAPE_API)
  31 #include "NP_jsobject.h"
  32 #include "c_instance.h"
  33 #endif
  34 #include "runtime_object.h"
  35 #include "runtime_root.h"
  36
  37 #if HAVE(JNI)
  38 #include "jni_instance.h"
  39 #endif
  40 #include "objc_instance.h"
  41 #if PLATFORM(QT)
  42 #include "qt_instance.h"
  43 #endif
  44
  45 namespace KJS { namespace Bindings {
  46
  47 Array::Array(PassRefPtr<RootObject> rootObject)
  48     : _rootObject(rootObject)
  49 {
  50     ASSERT(_rootObject);
  51 }
  52
  53 Array::~Array()
  54 {
  55 }
  56
  57 Instance::Instance(PassRefPtr<RootObject> rootObject)
  58     : _rootObject(rootObject)
  59     , _refCount(0)
  60 {
  61     ASSERT(_rootObject);
  62 }
  63
  64 Instance::~Instance()
  65 {
  66 }
  67
  68 static KJSDidExecuteFunctionPtr _DidExecuteFunction;
  69
  70 void Instance::setDidExecuteFunction(KJSDidExecuteFunctionPtr func) { _DidExecuteFunction = func; }
  71 KJSDidExecuteFunctionPtr Instance::didExecuteFunction() { return _DidExecuteFunction; }
  72
  73 JSValue *Instance::getValueOfField(ExecState *exec, const Field *aField) const
  74 {
  75     return aField->valueFromInstance(exec, this);
  76 }
  77
  78 void Instance::setValueOfField(ExecState *exec, const Field *aField, JSValue *aValue) const
  79 {
  80     aField->setValueToInstance(exec, this, aValue);
  81 }
  82
  83 Instance* Instance::createBindingForLanguageInstance(BindingLanguage language, void* nativeInstance, PassRefPtr<RootObject> rootObject)
  84 {
  85     Instance *newInstance = 0;
  86
  87     switch (language) {
  88 #if HAVE(JNI)
  89         case Instance::JavaLanguage: {
  90             newInstance = new Bindings::JavaInstance((jobject)nativeInstance, rootObject);
  91             break;
  92         }
  93 #endif
  94         case Instance::ObjectiveCLanguage: {
  95             newInstance = new Bindings::ObjcInstance((ObjectStructPtr)nativeInstance, rootObject);
  96             break;
  97         }
  98 #if ENABLE(NETSCAPE_API)
  99         case Instance::CLanguage: {
 100             newInstance = new Bindings::CInstance((NPObject *)nativeInstance, rootObject);
 101             break;
 102         }
 103 #endif
 104 #if PLATFORM(QT)
 105         case Instance::QtLanguage: {
 106             newInstance = Bindings::QtInstance::getQtInstance((QObject *)nativeInstance, rootObject);
 107             break;
 108         }
 109 #endif
 110         default:
 111             break;
 112     }
 113
 114     return newInstance;
 115 }
 116
 117 JSObject* Instance::createRuntimeObject(BindingLanguage language, void* nativeInstance, PassRefPtr<RootObject> rootObject)
 118 {
 119     Instance* instance = Instance::createBindingForLanguageInstance(language, nativeInstance, rootObject);
 120
 121     return createRuntimeObject(instance);
 122 }
 123
 124 JSObject* Instance::createRuntimeObject(Instance* instance)
 125 {
 126 #if PLATFORM(QT)
 127     if (instance->getBindingLanguage() == QtLanguage)
 128         return QtInstance::getRuntimeObject(static_cast<QtInstance*>(instance));
 129 #endif
 130     JSLock lock;
 131
 132     return new RuntimeObjectImp(instance);
 133 }
 134
 135 Instance* Instance::getInstance(JSObject* object, BindingLanguage language)
 136 {
 137     if (!object)
 138         return 0;
 139     if (!object->inherits(&RuntimeObjectImp::info))
 140         return 0;
 141     Instance* instance = (static_cast<RuntimeObjectImp*>(object))->getInternalInstance();
 142     if (!instance)
 143         return 0;
 144     if (instance->getBindingLanguage() != language)
 145         return 0;
 146     return instance;
 147 }
 148
 149 RootObject* Instance::rootObject() const
 150 {
 151     return _rootObject && _rootObject->isValid() ? _rootObject.get() : 0;
 152 }
 153
 154 } } // namespace KJS::Bindings