Remove IDBNotFoundError ExceptionCode

Source/bindings/v8/ExceptionState.h

 /*
  * 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 AnimatableUnknown_h
-#define AnimatableUnknown_h
+#ifndef ExceptionState_h
+#define ExceptionState_h
 
-#include "core/animation/AnimatableValue.h"
+#include "wtf/Noncopyable.h"
+#include <v8.h>
 
 namespace WebCore {
 
-class AnimatableUnknown : public AnimatableValue {
+typedef int ExceptionCode;
+
+class ExceptionState {
+    WTF_MAKE_NONCOPYABLE(ExceptionState);
 public:
-    virtual ~AnimatableUnknown() { }
+    explicit ExceptionState(v8::Isolate* isolate)
+        : m_code(0)
+        , m_exceptionThrown(false)
+        , m_isolate(isolate) { }
 
-    static PassRefPtr<AnimatableUnknown> create(PassRefPtr<CSSValue> value)
+    virtual void throwDOMException(const ExceptionCode&,  const char* message = 0);
+    virtual void throwTypeError(const char* message = 0);
+
+    bool hadException() const { return m_exceptionThrown || m_code; }
+
+    bool throwIfNeeded()
     {
-        return adoptRef(new AnimatableUnknown(value));
+        if (m_code) {
+            throwDOMException(m_code);
+            return true;
+        }
+        return m_exceptionThrown;
     }
 
-    virtual PassRefPtr<CSSValue> toCSSValue() const OVERRIDE { return m_value; }
+    // FIXME: Remove the rest of the public methods/operators once the transition is done.
+    typedef void* ExceptionState::*UnspecifiedBoolType;
+    operator UnspecifiedBoolType*() const
+    {
+        return m_code ? reinterpret_cast<UnspecifiedBoolType*>(1) : 0;
+    }
+
+    operator ExceptionCode& () { return m_code; }
+
+    ExceptionState& operator=(const ExceptionCode& ec)
+    {
+        throwDOMException(ec);
+        return *this;
+    }
 
 protected:
-    virtual PassRefPtr<AnimatableValue> interpolateTo(const AnimatableValue* value, double fraction) const OVERRIDE
-    {
-        return defaultInterpolateTo(this, value, fraction);
-    }
-
-    virtual PassRefPtr<AnimatableValue> addWith(const AnimatableValue* value) const OVERRIDE
-    {
-        return defaultAddWith(this, value);
-    }
+    ExceptionCode m_code;
 
 private:
-    explicit AnimatableUnknown(PassRefPtr<CSSValue> value)
-        : AnimatableValue(TypeUnknown)
-        , m_value(value)
-    {
-        ASSERT(m_value);
-    }
+    bool m_exceptionThrown;
+    v8::Isolate* m_isolate;
+};
 
-    RefPtr<CSSValue> m_value;
+class NonThrowExceptionState : public ExceptionState {
+public:
+    NonThrowExceptionState();
+    virtual void throwDOMException(const ExceptionCode&, const char* = 0) OVERRIDE FINAL;
+    virtual void throwTypeError(const char* = 0) OVERRIDE FINAL;
 };
 
 } // namespace WebCore
 
-#endif // AnimatableUnknown_h
+#endif // ExceptionState_h