Cleanup FWL Event and Message code.

xfa/fwl/core/cfwl_pushbutton.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/cfwl_pushbutton.h"
 
 #include <memory>
 #include <utility>
 
 #include "third_party/base/ptr_util.h"
 #include "xfa/fde/tto/fde_textout.h"
-#include "xfa/fwl/core/cfwl_evtclick.h"
+#include "xfa/fwl/core/cfwl_event.h"
 #include "xfa/fwl/core/cfwl_evtmouse.h"
 #include "xfa/fwl/core/cfwl_msgkey.h"
 #include "xfa/fwl/core/cfwl_msgmouse.h"
 #include "xfa/fwl/core/cfwl_notedriver.h"
 #include "xfa/fwl/core/cfwl_themebackground.h"
 #include "xfa/fwl/core/cfwl_themetext.h"
 #include "xfa/fwl/core/ifwl_themeprovider.h"
 
 CFWL_PushButton::CFWL_PushButton(const CFWL_App* app)
     : CFWL_Widget(app, pdfium::MakeUnique<CFWL_WidgetProperties>(), nullptr),
@@ skipping 142 matching lines @@
   if (m_pProperties->m_dwStyleExes & FWL_WGTSTYLE_RTLReading)
     m_dwTTOStyles |= FDE_TTOSTYLE_RTL;
 }
 
 void CFWL_PushButton::OnProcessMessage(CFWL_Message* pMessage) {
   if (!pMessage)
     return;
   if (!IsEnabled())
     return;
 
-  CFWL_MessageType dwMsgCode = pMessage->GetClassID();
-  switch (dwMsgCode) {
-    case CFWL_MessageType::SetFocus:
+  switch (pMessage->GetType()) {
+    case CFWL_Message::Type::SetFocus:
       OnFocusChanged(pMessage, true);
       break;
-    case CFWL_MessageType::KillFocus:
+    case CFWL_Message::Type::KillFocus:
       OnFocusChanged(pMessage, false);
       break;
-    case CFWL_MessageType::Mouse: {
+    case CFWL_Message::Type::Mouse: {
       CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
       switch (pMsg->m_dwCmd) {
         case FWL_MouseCommand::LeftButtonDown:
           OnLButtonDown(pMsg);
           break;
         case FWL_MouseCommand::LeftButtonUp:
           OnLButtonUp(pMsg);
           break;
         case FWL_MouseCommand::Move:
           OnMouseMove(pMsg);
           break;
         case FWL_MouseCommand::Leave:
           OnMouseLeave(pMsg);
           break;
         default:
           break;
       }
       break;
     }
-    case CFWL_MessageType::Key: {
+    case CFWL_Message::Type::Key: {
       CFWL_MsgKey* pKey = static_cast<CFWL_MsgKey*>(pMessage);
       if (pKey->m_dwCmd == FWL_KeyCommand::KeyDown)
         OnKeyDown(pKey);
       break;
     }
     default:
       break;
   }
   CFWL_Widget::OnProcessMessage(pMessage);
 }
@@ skipping 25 matching lines @@
 void CFWL_PushButton::OnLButtonUp(CFWL_MsgMouse* pMsg) {
   m_bBtnDown = false;
   if (m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) {
     m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed;
     m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered;
   } else {
     m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered;
     m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed;
   }
   if (m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) {
-    CFWL_EvtClick wmClick;
-    wmClick.m_pSrcTarget = this;
+    CFWL_Event wmClick(CFWL_Event::Type::Click, this);
     DispatchEvent(&wmClick);
   }
   Repaint(&m_rtClient);
 }
 
 void CFWL_PushButton::OnMouseMove(CFWL_MsgMouse* pMsg) {
   bool bRepaint = false;
   if (m_bBtnDown) {
     if (m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) {
       if ((m_pProperties->m_dwStates & FWL_STATE_PSB_Pressed) == 0) {
@@ skipping 27 matching lines @@
 }
 
 void CFWL_PushButton::OnMouseLeave(CFWL_MsgMouse* pMsg) {
   m_bBtnDown = false;
   m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered;
   m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed;
   Repaint(&m_rtClient);
 }
 
 void CFWL_PushButton::OnKeyDown(CFWL_MsgKey* pMsg) {
-  if (pMsg->m_dwKeyCode == FWL_VKEY_Return) {
-    CFWL_EvtMouse wmMouse;
-    wmMouse.m_pSrcTarget = this;
-    wmMouse.m_dwCmd = FWL_MouseCommand::LeftButtonUp;
-    DispatchEvent(&wmMouse);
-    CFWL_EvtClick wmClick;
-    wmClick.m_pSrcTarget = this;
-    DispatchEvent(&wmClick);
-    return;
-  }
-  if (pMsg->m_dwKeyCode != FWL_VKEY_Tab)
+  if (pMsg->m_dwKeyCode != FWL_VKEY_Return)
     return;
 
-  DispatchKeyEvent(pMsg);
+  CFWL_EvtMouse wmMouse(this);
+  wmMouse.m_dwCmd = FWL_MouseCommand::LeftButtonUp;
+  DispatchEvent(&wmMouse);
+
+  CFWL_Event wmClick(CFWL_Event::Type::Click, this);
+  DispatchEvent(&wmClick);
 }