Implement Blink-in-JS for DOM methods

Source/bindings/v8/PrivateScriptRunner.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "bindings/v8/PrivateScriptRunner.h"
 
 #include "bindings/v8/V8Binding.h"
 #include "bindings/v8/V8PerContextData.h"
 #include "bindings/v8/V8ScriptRunner.h"
 #include "core/PrivateScriptSources.h"
 
 namespace WebCore {
 
 static v8::Handle<v8::Value> compilePrivateScript(v8::Isolate* isolate, String className)
 {
     size_t index;
     // |kPrivateScriptSources| is defined in V8PrivateScriptSources.h, which is auto-generated
     // by make_private_script.py.
     for (index = 0; index < WTF_ARRAY_LENGTH(kPrivateScriptSources); index++) {
         if (className == kPrivateScriptSources[index].name)
             break;
     }
     RELEASE_ASSERT(index != WTF_ARRAY_LENGTH(kPrivateScriptSources));
     String source(reinterpret_cast<const char*>(kPrivateScriptSources[index].source), kPrivateScriptSources[index].size);
     return V8ScriptRunner::compileAndRunInternalScript(v8String(isolate, source), isolate);
 }
 
-v8::Handle<v8::Value> PrivateScriptRunner::run(ScriptState* scriptState, String className, String functionName, v8::Handle<v8::Value> receiver, int argc, v8::Handle<v8::Value> argv[])
+static v8::Handle<v8::Value> propertyValue(ScriptState* scriptState, String className, String propertyName)
 {
     ASSERT(scriptState->perContextData());
     ASSERT(scriptState->executionContext());
     v8::Isolate* isolate = scriptState->isolate();
     v8::Handle<v8::Value> compiledClass = scriptState->perContextData()->compiledPrivateScript(className);
     if (compiledClass.IsEmpty()) {
         v8::Handle<v8::Value> installedClasses = scriptState->perContextData()->compiledPrivateScript("PrivateScriptRunner");
         if (installedClasses.IsEmpty()) {
             installedClasses = compilePrivateScript(isolate, "PrivateScriptRunner");
             scriptState->perContextData()->setCompiledPrivateScript("PrivateScriptRunner", installedClasses);
         }
         RELEASE_ASSERT(!installedClasses.IsEmpty());
         RELEASE_ASSERT(installedClasses->IsObject());
 
         compilePrivateScript(isolate, className);
         compiledClass = v8::Handle<v8::Object>::Cast(installedClasses)->Get(v8String(isolate, className));
         RELEASE_ASSERT(!compiledClass.IsEmpty());
         RELEASE_ASSERT(compiledClass->IsObject());
         scriptState->perContextData()->setCompiledPrivateScript(className, compiledClass);
     }
+    return v8::Handle<v8::Object>::Cast(compiledClass)->Get(v8String(isolate, propertyName));
+}
 
-    v8::Handle<v8::Value> function = v8::Handle<v8::Object>::Cast(compiledClass)->Get(v8String(isolate, functionName));
-    RELEASE_ASSERT(!function.IsEmpty());
-    RELEASE_ASSERT(function->IsFunction());
-
-    return V8ScriptRunner::callFunction(v8::Handle<v8::Function>::Cast(function), scriptState->executionContext(), receiver, argc, argv, isolate);
+v8::Handle<v8::Value> PrivateScriptRunner::runDOMMethod(ScriptState* scriptState, String className, String operationName, v8::Handle<v8::Value> holder, int argc, v8::Handle<v8::Value> argv[])
+{
+    v8::Handle<v8::Value> operation = propertyValue(scriptState, className, operationName);
+    RELEASE_ASSERT(!operation.IsEmpty());
+    RELEASE_ASSERT(operation->IsFunction());
+    return V8ScriptRunner::callFunction(v8::Handle<v8::Function>::Cast(operation), scriptState->executionContext(), holder, argc, argv, scriptState->isolate());
 }
 
 } // namespace WebCore