V8 Binding: Introduce toNativeWithTypeCheck

Source/bindings/v8/Dictionary.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 319 matching lines @@
     value = toDOMWindow(v8Value, m_isolate);
     return true;
 }
 
 bool Dictionary::get(const String& key, RefPtr<Storage>& value) const
 {
     v8::Local<v8::Value> v8Value;
     if (!getKey(key, v8Value))
         return false;
 
-    value = 0;
-    if (V8Storage::hasInstance(v8Value, m_isolate))
-        value = V8Storage::toNative(v8::Handle<v8::Object>::Cast(v8Value));
+    value = V8Storage::toNativeWithTypeCheck(m_isolate, v8Value);
     return true;
 }
 
 bool Dictionary::get(const String& key, MessagePortArray& value) const
 {
     v8::Local<v8::Value> v8Value;
     if (!getKey(key, v8Value))
         return false;
 
     ASSERT(m_isolate);
@@ skipping 67 matching lines @@
     value = stringValue;
     return true;
 }
 
 bool Dictionary::get(const String& key, RefPtr<Uint8Array>& value) const
 {
     v8::Local<v8::Value> v8Value;
     if (!getKey(key, v8Value))
         return false;
 
-    value = 0;
-    if (V8Uint8Array::hasInstance(v8Value, m_isolate))
-        value = V8Uint8Array::toNative(v8::Handle<v8::Object>::Cast(v8Value));
+    value = V8Uint8Array::toNativeWithTypeCheck(m_isolate, v8Value);
     return true;
 }
 
 bool Dictionary::get(const String& key, RefPtr<ArrayBufferView>& value) const
 {
     v8::Local<v8::Value> v8Value;
     if (!getKey(key, v8Value))
         return false;
 
-    value = 0;
-    if (V8ArrayBufferView::hasInstance(v8Value, m_isolate))
-        value = V8ArrayBufferView::toNative(v8::Handle<v8::Object>::Cast(v8Value));
+    value = V8ArrayBufferView::toNativeWithTypeCheck(m_isolate, v8Value);
     return true;
 }
 
 bool Dictionary::get(const String& key, RefPtr<MIDIPort>& value) const
 {
     v8::Local<v8::Value> v8Value;
     if (!getKey(key, v8Value))
         return false;
 
-    value = 0;
-    if (V8MIDIPort::hasInstance(v8Value, m_isolate))
-        value = V8MIDIPort::toNative(v8::Handle<v8::Object>::Cast(v8Value));
+    value = V8MIDIPort::toNativeWithTypeCheck(m_isolate, v8Value);
     return true;
 }
 
 bool Dictionary::get(const String& key, RefPtr<MediaKeyError>& value) const
 {
     v8::Local<v8::Value> v8Value;
     if (!getKey(key, v8Value))
         return false;
 
-    value = 0;
-    if (V8MediaKeyError::hasInstance(v8Value, m_isolate))
-        value = V8MediaKeyError::toNative(v8::Handle<v8::Object>::Cast(v8Value));
+    value = V8MediaKeyError::toNativeWithTypeCheck(m_isolate, v8Value);
     return true;
 }
 
 bool Dictionary::get(const String& key, RefPtr<TrackBase>& value) const
 {
     v8::Local<v8::Value> v8Value;
     if (!getKey(key, v8Value))
         return false;
 
     TrackBase* source = 0;
     if (v8Value->IsObject()) {
         v8::Handle<v8::Object> wrapper = v8::Handle<v8::Object>::Cast(v8Value);
 
         // FIXME: this will need to be changed so it can also return an AudioTrack or a VideoTrack once
         // we add them.
         v8::Handle<v8::Object> track = wrapper->FindInstanceInPrototypeChain(V8TextTrack::domTemplate(m_isolate, worldType(m_isolate)));
         if (!track.IsEmpty())
             source = V8TextTrack::toNative(track);
     }
     value = source;
     return true;
 }
 
 bool Dictionary::get(const String& key, RefPtr<SpeechRecognitionError>& value) const
 {
     v8::Local<v8::Value> v8Value;
     if (!getKey(key, v8Value))
         return false;
 
-    value = 0;
-    if (V8SpeechRecognitionError::hasInstance(v8Value, m_isolate))
-        value = V8SpeechRecognitionError::toNative(v8::Handle<v8::Object>::Cast(v8Value));
+    value = V8SpeechRecognitionError::toNativeWithTypeCheck(m_isolate, v8Value);
     return true;
 }
 
 bool Dictionary::get(const String& key, RefPtrWillBeRawPtr<SpeechRecognitionResult>& value) const
 {
     v8::Local<v8::Value> v8Value;
     if (!getKey(key, v8Value))
         return false;
 
-    value = 0;
-    if (V8SpeechRecognitionResult::hasInstance(v8Value, m_isolate))
-        value = V8SpeechRecognitionResult::toNative(v8::Handle<v8::Object>::Cast(v8Value));
+    value = V8SpeechRecognitionResult::toNativeWithTypeCheck(m_isolate, v8Value);
     return true;
 }
 
 bool Dictionary::get(const String& key, RefPtrWillBeRawPtr<SpeechRecognitionResultList>& value) const
 {
     v8::Local<v8::Value> v8Value;
     if (!getKey(key, v8Value))
         return false;
 
-    value = 0;
-    if (V8SpeechRecognitionResultList::hasInstance(v8Value, m_isolate))
-        value = V8SpeechRecognitionResultList::toNative(v8::Handle<v8::Object>::Cast(v8Value));
+    value = V8SpeechRecognitionResultList::toNativeWithTypeCheck(m_isolate, v8Value);
     return true;
 }
 
 bool Dictionary::get(const String& key, RefPtr<MediaStream>& value) const
 {
     v8::Local<v8::Value> v8Value;
     if (!getKey(key, v8Value))
         return false;
 
-    value = 0;
-    if (V8MediaStream::hasInstance(v8Value, m_isolate))
-        value = V8MediaStream::toNative(v8::Handle<v8::Object>::Cast(v8Value));
+    value = V8MediaStream::toNativeWithTypeCheck(m_isolate, v8Value);
     return true;
 }
 
 bool Dictionary::get(const String& key, RefPtr<EventTarget>& value) const
 {
     v8::Local<v8::Value> v8Value;
     if (!getKey(key, v8Value))
         return false;
 
     value = 0;
@@ skipping 223 matching lines @@
 {
     if (forConstructor()) {
         exceptionState().throwTypeError(detail);
     } else {
         ASSERT(!methodName().isEmpty());
         exceptionState().throwTypeError(ExceptionMessages::failedToExecute(interfaceName(), methodName(), detail));
     }
 }
 
 } // namespace WebCore