Dart bindings for WebKit

Source/WebCore/bindings/dart/custom/DartSVGLengthCustom.cpp

+// Copyright 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
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// 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.
+
+#include "config.h"
+#include "DartSVGLength.h"
+
+#if ENABLE(SVG)
+
+namespace WebCore {
+
+namespace DartSVGLengthInternal {
+
+static const char* noModificationsAllowedError = "No modifications allowed";
+
+void convertToSpecifiedUnitsCallback(Dart_NativeArguments args)
+{
+    DartApiScope dartApiScope;
+    Dart_Handle exception;
+    {
+        SVGPropertyTearOff<SVGLength>* receiver = DartDOMWrapper::receiver< SVGPropertyTearOff<SVGLength> >(args);
+        if (receiver->role() == AnimValRole) {
+            exception = Dart_NewString(noModificationsAllowedError);
+            goto fail;
+        }
+
+        ParameterAdapter< int > unitType(Dart_GetNativeArgument(args, 1));
+        if (!unitType.conversionSuccessful()) {
+            exception = unitType.exception();
+            goto fail;
+        }
+
+        SVGLength& imp = receiver->propertyReference();
+        ExceptionCode ec = 0;
+        imp.convertToSpecifiedUnits(unitType, receiver->contextElement(), ec);
+        if (UNLIKELY(ec)) {
+            exception = DartDOMWrapper::exceptionCodeToDartException(ec);
+            goto fail;
+        }
+
+        receiver->commitChange();
+        return;
+    }
+
+fail:
+    Dart_ThrowException(exception);
+    ASSERT_NOT_REACHED();
+}
+
+void valueGetter(Dart_NativeArguments args)
+{
+    DartApiScope dartApiScope;
+    Dart_Handle exception;
+    {
+        SVGPropertyTearOff<SVGLength>* receiver = DartDOMWrapper::receiver< SVGPropertyTearOff<SVGLength> >(args);
+        if (receiver->role() == AnimValRole) {
+            exception = Dart_NewString(noModificationsAllowedError);
+            goto fail;
+        }
+
+        SVGLength& imp = receiver->propertyReference();
+        ExceptionCode ec = 0;
+        float value = imp.value(receiver->contextElement(), ec);
+        if (UNLIKELY(ec)) {
+            exception = DartDOMWrapper::exceptionCodeToDartException(ec);
+            goto fail;
+        }
+
+        DartDOMWrapper::returnValue(args, value);
+        return;
+    }
+
+fail:
+    Dart_ThrowException(exception);
+    ASSERT_NOT_REACHED();
+}
+
+void valueSetter(Dart_NativeArguments args)
+{
+    DartApiScope dartApiScope;
+    Dart_Handle exception;
+    {
+        SVGPropertyTearOff<SVGLength>* receiver = DartDOMWrapper::receiver< SVGPropertyTearOff<SVGLength> >(args);
+        ParameterAdapter< float > valueAsFloat(Dart_GetNativeArgument(args, 1));
+        if (!valueAsFloat.conversionSuccessful()) {
+            exception = valueAsFloat.exception();
+            goto fail;
+        }
+
+        SVGLength& imp = receiver->propertyReference();
+        ExceptionCode ec = 0;
+        imp.setValue(valueAsFloat, receiver->contextElement(), ec);
+        if (UNLIKELY(ec)) {
+            exception = DartDOMWrapper::exceptionCodeToDartException(ec);
+            goto fail;
+        }
+
+        receiver->commitChange();
+        return;
+    }
+
+fail:
+    Dart_ThrowException(exception);
+    ASSERT_NOT_REACHED();
+}
+
+}
+
+}
+
+#endif // ENABLE(SVG)