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Source/bindings/core/v8/custom/V8InjectedScriptHostCustom.cpp

 /*
  * Copyright (C) 2007-2011 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 62 matching lines @@
 ScriptValue InjectedScriptHost::nodeAsScriptValue(ScriptState* scriptState, Node* node)
 {
     ScriptState::Scope scope(scriptState);
     v8::Isolate* isolate = scriptState->isolate();
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "nodeAsScriptValue", "InjectedScriptHost", scriptState->context()->Global(), isolate);
     if (!BindingSecurity::shouldAllowAccessToNode(isolate, node, exceptionState))
         return ScriptValue(scriptState, v8::Null(isolate));
     return ScriptValue(scriptState, toV8(node, scriptState->context()->Global(), isolate));
 }
 
+EventTarget* InjectedScriptHost::scriptValueAsEventTarget(ScriptState* scriptState, ScriptValue value)
+{
+    ScriptState::Scope scope(scriptState);
+    if (!value.isObject() || value.isNull())
+        return nullptr;
+    v8::Isolate* isolate = scriptState->isolate();
+    EventTarget* target = V8EventTarget::toImplWithTypeCheck(isolate, v8::Local<v8::Object>::Cast(value.v8Value()));
+
+    // We need to handle a LocalDOMWindow specially, because a LocalDOMWindow wrapper exists on a prototype chain.
+    if (!target)
+        target = toDOMWindow(isolate, v8::Local<v8::Object>::Cast(value.v8Value()));
+
+    if (!target || !target->executionContext())
+        return nullptr;
+    return target;
+}
+
 void V8InjectedScriptHost::inspectedObjectMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (info.Length() < 1)
         return;
 
     if (!info[0]->IsInt32()) {
         V8ThrowException::throwTypeError(info.GetIsolate(), "argument has to be an integer");
         return;
     }
 
@@ skipping 505 matching lines @@
     InjectedScriptNative* injectedScriptNative = InjectedScriptNative::fromInjectedScriptHost(info.Holder());
     if (!injectedScriptNative)
         return;
     int id = info[0]->ToInt32(info.GetIsolate())->Value();
     String groupName = injectedScriptNative->groupName(id);
     if (!groupName.isEmpty())
         info.GetReturnValue().Set(v8String(info.GetIsolate(), groupName));
 }
 
 } // namespace blink