Implement File constructor.

Source/bindings/v8/custom/V8FileCustom.cpp

Index: Source/bindings/v8/custom/V8FileCustom.cpp
diff --git a/Source/bindings/v8/custom/V8BlobCustom.cpp b/Source/bindings/v8/custom/V8FileCustom.cpp
similarity index 81%
copy from Source/bindings/v8/custom/V8BlobCustom.cpp
copy to Source/bindings/v8/custom/V8FileCustom.cpp
index d514a4eff6a71eb5d36f0cdd090baecd2215bb7e..52a0ff6bfbe86a475d1868dafb37933deb07bd14 100644
--- a/Source/bindings/v8/custom/V8BlobCustom.cpp
+++ b/Source/bindings/v8/custom/V8FileCustom.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012 Google Inc. All rights reserved.
+ * Copyright (C) 2013 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
@@ -29,8 +29,9 @@
  */
 
 #include "config.h"
-#include "V8Blob.h"
+#include "V8File.h"
 
+#include "RuntimeEnabledFeatures.h"
 #include "bindings/v8/Dictionary.h"
 #include "bindings/v8/V8Binding.h"
 #include "bindings/v8/V8Utilities.h"
@@ -41,30 +42,38 @@
 
 namespace WebCore {
 
-void V8Blob::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8File::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    if (!info.Length()) {
-        RefPtr<Blob> blob = Blob::create();
-        info.GetReturnValue().Set(toV8(blob.get(), info.Holder(), info.GetIsolate()));
+    if (!RuntimeEnabledFeatures::fileConstructorEnabled()) {
+        throwTypeError("Illegal constructor", info.GetIsolate());
+        return;
+    }
+
+    if (info.Length() < 2) {
+        throwTypeError("Constructor requires at least two arguments", info.GetIsolate());
         return;
     }
 
     v8::Local<v8::Value> firstArg = info[0];
+    // FIXME: handle WebIDL sequences, see http://crbug.com/314755
     if (!firstArg->IsArray()) {
         throwTypeError("First argument of the constructor is not of type Array", info.GetIsolate());
         return;
     }
 
+    v8::Local<v8::Value> secondArg = info[1];
+    V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, fileName, secondArg);
+
     String type;
     String endings = "transparent";
 
-    if (info.Length() > 1) {
-        if (!info[1]->IsObject()) {
-            throwTypeError("Second argument of the constructor is not of type Object", info.GetIsolate());
+    if (info.Length() > 2) {
+        if (!info[2]->IsObject()) {
+            throwTypeError("Third argument of the constructor is not of type Object", info.GetIsolate());
             return;
         }
 
-        V8TRYCATCH_VOID(Dictionary, dictionary, Dictionary(info[1], info.GetIsolate()));
+        V8TRYCATCH_VOID(Dictionary, dictionary, Dictionary(info[2], info.GetIsolate()));
 
         V8TRYCATCH_VOID(bool, containsEndings, dictionary.get("endings", endings));
         if (containsEndings) {
@@ -111,8 +120,8 @@ void V8Blob::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
         }
     }
 
-    RefPtr<Blob> blob = blobBuilder.getBlob(type);
-    info.GetReturnValue().Set(toV8(blob.get(), info.Holder(), info.GetIsolate()));
+    RefPtr<File> file = blobBuilder.createFile(type, fileName, currentTime());
+    info.GetReturnValue().Set(toV8(file.get(), info.Holder(), info.GetIsolate()));
 }
 
 } // namespace WebCore