Move the message definitions to their own files.

xfa/fwl/core/fwl_noteimp.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/fwl_noteimp.h"
 
 #include "core/fxcrt/fx_ext.h"
 #include "third_party/base/ptr_util.h"
 #include "third_party/base/stl_util.h"
-#include "xfa/fwl/core/cfwl_message.h"
+#include "xfa/fwl/core/cfwl_msgkey.h"
+#include "xfa/fwl/core/cfwl_msgkillfocus.h"
+#include "xfa/fwl/core/cfwl_msgmouse.h"
+#include "xfa/fwl/core/cfwl_msgmousewheel.h"
+#include "xfa/fwl/core/cfwl_msgsetfocus.h"
 #include "xfa/fwl/core/cfwl_widgetmgr.h"
 #include "xfa/fwl/core/ifwl_app.h"
 #include "xfa/fwl/core/ifwl_tooltip.h"
 
 CFWL_NoteLoop::CFWL_NoteLoop() : m_bContinueModal(true) {}
 
 CFWL_NoteDriver::CFWL_NoteDriver()
     : m_pHover(nullptr),
       m_pFocus(nullptr),
       m_pGrab(nullptr),
@@ skipping 152 matching lines @@
   if (!pForm)
     return;
 
   int32_t nIndex = m_forms.Find(pForm);
   if (nIndex < 0)
     return;
 
   m_forms.RemoveAt(nIndex);
 }
 
-void CFWL_NoteDriver::QueueMessage(CFWL_Message* pMessage) {
-  pMessage->Retain();
-  m_noteQueue.Add(pMessage);
+void CFWL_NoteDriver::QueueMessage(std::unique_ptr<CFWL_Message> pMessage) {
+  m_noteQueue.push_back(std::move(pMessage));
 }
 
 void CFWL_NoteDriver::UnqueueMessage(CFWL_NoteLoop* pNoteLoop) {
-  if (m_noteQueue.GetSize() < 1)
+  if (m_noteQueue.empty())
     return;
 
-  CFWL_Message* pMessage = m_noteQueue[0];
-  m_noteQueue.RemoveAt(0);
-  if (!IsValidMessage(pMessage)) {
-    pMessage->Release();
+  std::unique_ptr<CFWL_Message> pMessage = std::move(m_noteQueue[0]);
+  m_noteQueue.pop_front();
+
+  if (!IsValidMessage(pMessage.get()))
     return;
-  }
-  ProcessMessage(pMessage);
-  pMessage->Release();
+
+  ProcessMessage(pMessage.get());
 }
 
 CFWL_NoteLoop* CFWL_NoteDriver::GetTopLoop() const {
   int32_t size = m_noteLoopQueue.GetSize();
   if (size <= 0)
     return nullptr;
   return m_noteLoopQueue[size - 1];
 }
 
 void CFWL_NoteDriver::ProcessMessage(CFWL_Message* pMessage) {
@@ skipping 328 matching lines @@
     case CFWL_EventType::KillFocus:
       return !!(dwFilter & FWL_EVENT_FOCUSCHANGED_MASK);
     case CFWL_EventType::Close:
       return !!(dwFilter & FWL_EVENT_CLOSE_MASK);
     case CFWL_EventType::SizeChanged:
       return !!(dwFilter & FWL_EVENT_SIZECHANGED_MASK);
     default:
       return !!(dwFilter & FWL_EVENT_CONTROL_MASK);
   }
 }