Merge the CFWL_*Imp classes into the IFWL_* classes.

xfa/fwl/core/ifwl_formproxy.cpp

+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/core/ifwl_formproxy.h"
+
+#include "xfa/fwl/core/fwl_noteimp.h"
+
+// static
+IFWL_FormProxy* IFWL_FormProxy::Create(CFWL_WidgetImpProperties& properties,
+                                       IFWL_Widget* pOuter) {
+  return new IFWL_FormProxy(properties, pOuter);
+}
+
+IFWL_FormProxy::IFWL_FormProxy(const CFWL_WidgetImpProperties& properties,
+                               IFWL_Widget* pOuter)
+    : IFWL_Form(properties, pOuter) {}
+
+IFWL_FormProxy::~IFWL_FormProxy() {}
+
+FWL_Error IFWL_FormProxy::GetClassName(CFX_WideString& wsClass) const {
+  wsClass = FWL_CLASS_FormProxy;
+  return FWL_Error::Succeeded;
+}
+
+FWL_Type IFWL_FormProxy::GetClassID() const {
+  return FWL_Type::FormProxy;
+}
+
+FX_BOOL IFWL_FormProxy::IsInstance(const CFX_WideStringC& wsClass) const {
+  if (wsClass == CFX_WideStringC(FWL_CLASS_FormProxy)) {
+    return TRUE;
+  }
+  return IFWL_Form::IsInstance(wsClass);
+}
+
+FWL_Error IFWL_FormProxy::Initialize() {
+  if (IFWL_Widget::Initialize() != FWL_Error::Succeeded)
+    return FWL_Error::Indefinite;
+  m_pDelegate = new CFWL_FormProxyImpDelegate(this);
+  return FWL_Error::Succeeded;
+}
+
+FWL_Error IFWL_FormProxy::Finalize() {
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return IFWL_Widget::Finalize();
+}
+
+FWL_Error IFWL_FormProxy::Update() {
+  return FWL_Error::Succeeded;
+}
+
+FWL_Error IFWL_FormProxy::DrawWidget(CFX_Graphics* pGraphics,
+                                     const CFX_Matrix* pMatrix) {
+  return FWL_Error::Succeeded;
+}
+
+CFWL_FormProxyImpDelegate::CFWL_FormProxyImpDelegate(IFWL_FormProxy* pOwner)
+    : m_pOwner(pOwner) {}
+
+void CFWL_FormProxyImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
+  IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pOuter->SetDelegate(nullptr);
+  pDelegate->OnProcessMessage(pMessage);
+}