WIP don't review: Implement Future

Source/core/dom/FutureResolver.h

Index: Source/core/dom/FutureResolver.h
diff --git a/Source/core/html/ime/Composition.h b/Source/core/dom/FutureResolver.h
similarity index 65%
copy from Source/core/html/ime/Composition.h
copy to Source/core/dom/FutureResolver.h
index 9947d2411a77f4fa0a4cd3dc9758d369a8cfaf7b..958ae6eabad5569fbdd01d01d49d9e73497f0f32 100644
--- a/Source/core/html/ime/Composition.h
+++ b/Source/core/dom/FutureResolver.h
@@ -28,33 +28,48 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef Composition_h
-#define Composition_h
+#ifndef FutureResolver_h
+#define FutureResolver_h
 
+#include "core/dom/Future.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/RefPtr.h"
 
 namespace WebCore {
 
-class Node;
-class Range;
+// Needed due to circular dependency.
+class Future;
+class ScriptValue;
 
-class Composition : public RefCounted<Composition> {
+class FutureResolver : public RefCounted<FutureResolver> {
 public:
-    static PassRefPtr<Composition> create(Node*, Range*);
-    ~Composition();
+    void accept(const ScriptValue&);
+    void accept();
+    void reject(const ScriptValue&);
+    void reject();
 
-    Node* text() const { return m_text.get(); }
-    Range* caret() const { return m_caret.get(); }
+    // For V8FutureResolver
+    bool resolved() { return m_resolved; }
+    void setResolved(bool v) { m_resolved = v; }
+    PassRefPtr<Future> getFuture() { return m_future; }
+
+    // For Future.
+    static PassRefPtr<FutureResolver> create(PassRefPtr<Future>);
+    void acceptInternal(const ScriptValue&, bool);
+    void rejectInternal(const ScriptValue&, bool);
+
+    // For RefCounted<FutureResolver>.
+    virtual ~FutureResolver();
 
 private:
-    Composition(Node*, Range*);
+    explicit FutureResolver(PassRefPtr<Future>);
 
-    RefPtr<Node> m_text;
-    RefPtr<Range> m_caret;
+    // The associated Future instance.
+    RefPtr<Future> m_future;
+    bool m_resolved;
 };
 
 } // namespace WebCore
 
-#endif // Composition_h
+#endif // FutureResolver_h