Implement File constructor.

Source/bindings/v8/custom/V8FileCustom.cpp

 /*
  * 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
  * 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 10 matching lines @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef HTMLDimension_h
-#define HTMLDimension_h
+#include "config.h"
+#include "V8File.h"
 
-#include "wtf/Forward.h"
-#include "wtf/Vector.h"
+#include "RuntimeEnabledFeatures.h"
+#include "bindings/v8/custom/V8BlobCustomHelpers.h"
+#include "core/fileapi/BlobBuilder.h"
+#include "wtf/RefPtr.h"
 
 namespace WebCore {
 
-// This class corresponds to a dimension as described in HTML5 by the
-// "rules for parsing a list of dimensions" (section 2.4.4.6).
-class HTMLDimension {
-public:
-    enum HTMLDimensionType {
-        Relative, Percentage, Absolute
-    };
-
-    HTMLDimension()
-        : m_type(Absolute)
-        , m_value(0)
-    {
+void V8File::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+{
+    if (!RuntimeEnabledFeatures::fileConstructorEnabled()) {
+        throwTypeError("Illegal constructor", info.GetIsolate());
+        return;
     }
 
-    HTMLDimension(double value, HTMLDimensionType type)
-        : m_type(type)
-        , m_value(value)
-    {
+    if (info.Length() < 2) {
+        throwTypeError("Constructor requires at least two arguments", info.GetIsolate());
+        return;
     }
 
-    HTMLDimensionType type() const { return m_type; }
+    // FIXME: handle WebIDL sequences, see http://crbug.com/314755
+    if (!info[0]->IsArray()) {
+        throwTypeError("First argument of the constructor is not of type Array", info.GetIsolate());
+        return;
+    }
 
-    bool isRelative() const { return m_type == Relative; }
-    bool isPercentage() const { return m_type == Percentage; }
-    bool isAbsolute() const { return m_type == Absolute; }
+    V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, fileName, info[1]);
 
-    double value() const { return m_value; }
+    String contentType;
+    String endings = "transparent";
 
-    bool operator==(const HTMLDimension& other) const
-    {
-        return m_type == other.m_type && m_value == other.m_value;
+    if (info.Length() > 2) {
+        if (!info[2]->IsObject()) {
+            throwTypeError("Third argument of the constructor is not of type Object", info.GetIsolate());
+            return;
+        }
+
+        if (!V8BlobCustomHelpers::processBlobPropertyBag(info[2], info.GetIsolate(), contentType, endings))
+            return;
     }
-    bool operator!=(const HTMLDimension& other) const { return !(*this == other); }
+    ASSERT(endings == "transparent" || endings == "native");
 
-private:
-    HTMLDimensionType m_type;
-    double m_value;
-};
+    BlobBuilder blobBuilder;
+    if (!V8BlobCustomHelpers::processBlobParts(info[0], info.GetIsolate(), endings, blobBuilder))
+        return;
 
-Vector<HTMLDimension> parseListOfDimensions(const String&);
+    RefPtr<File> file = blobBuilder.createFile(contentType, fileName, currentTime());
+    info.GetReturnValue().Set(toV8(file.get(), info.Holder(), info.GetIsolate()));
+}
 
 } // namespace WebCore
-
-#endif // HTMLDimension_h