Remove FWL globals.

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/stl_util.h"
 #include "xfa/fwl/core/cfwl_message.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(IFWL_Widget* pForm)
     : m_pForm(pForm), m_bContinueModal(TRUE) {}
 
 FWL_Error CFWL_NoteLoop::Idle(int32_t count) {
 #if (_FX_OS_ == _FX_WIN32_DESKTOP_)
   if (count <= 0) {
 #endif
     CFWL_EvtIdle ev;
-    IFWL_App* pApp = FWL_GetApp();
+    const IFWL_App* pApp = m_pForm->GetOwnerApp();
     if (!pApp)
       return FWL_Error::Indefinite;
+
     CFWL_NoteDriver* pDriver = pApp->GetNoteDriver();
     if (!pDriver)
       return FWL_Error::Indefinite;
+
     pDriver->SendEvent(&ev);
 #if (_FX_OS_ == _FX_WIN32_DESKTOP_)
   }
 #endif
   return FWL_Error::Indefinite;
 }
 IFWL_Widget* CFWL_NoteLoop::GetForm() {
   return m_pForm;
 }
 FX_BOOL CFWL_NoteLoop::ContinueModal() {
   return m_bContinueModal;
 }
 FWL_Error CFWL_NoteLoop::EndModalLoop() {
   m_bContinueModal = FALSE;
   return FWL_Error::Succeeded;
 }
 
 FWL_Error CFWL_NoteLoop::SetMainForm(IFWL_Widget* pForm) {
   m_pForm = pForm;
   return FWL_Error::Succeeded;
 }
 void CFWL_NoteLoop::GenerateCommondEvent(uint32_t dwCommand) {
   CFWL_EvtMenuCommand ev;
   ev.m_iCommand = dwCommand;
-  IFWL_App* pApp = m_pForm->GetOwnerApp();
+  const IFWL_App* pApp = m_pForm->GetOwnerApp();
   if (!pApp)
     return;
 
   CFWL_NoteDriver* pDriver = pApp->GetNoteDriver();
   if (!pDriver)
     return;
 
   pDriver->SendEvent(&ev);
 }
 CFWL_NoteDriver::CFWL_NoteDriver()
@@ skipping 43 matching lines @@
   auto it = m_eventTargets.find(key);
   if (it != m_eventTargets.end())
     it->second->FlagInvalid();
 
   return FWL_Error::Succeeded;
 }
 
 void CFWL_NoteDriver::ClearEventTargets(FX_BOOL bRemoveAll) {
   ClearInvalidEventTargets(bRemoveAll);
 }
-IFWL_App* CFWL_NoteDriver::GetOwnerApp() const {
-  return FWL_GetApp();
-}
+
 FWL_Error CFWL_NoteDriver::PushNoteLoop(CFWL_NoteLoop* pNoteLoop) {
   m_noteLoopQueue.Add(pNoteLoop);
   return FWL_Error::Succeeded;
 }
 CFWL_NoteLoop* CFWL_NoteDriver::PopNoteLoop() {
   int32_t pos = m_noteLoopQueue.GetSize();
   if (pos <= 0)
     return nullptr;
 
   CFWL_NoteLoop* p = m_noteLoopQueue.GetAt(pos - 1);
@@ skipping 13 matching lines @@
     if (bNotify) {
       ms.m_dwExtend = 1;
     }
     IFWL_WidgetDelegate* pDelegate = pPrev->SetDelegate(nullptr);
     if (pDelegate) {
       pDelegate->OnProcessMessage(&ms);
     }
   }
   if (pFocus) {
     IFWL_Widget* pWidget =
-        CFWL_WidgetMgr::GetInstance()->GetSystemFormWidget(pFocus);
+        pFocus->GetOwnerApp()->GetWidgetMgr()->GetSystemFormWidget(pFocus);
     IFWL_Form* pForm = static_cast<IFWL_Form*>(pWidget);
     if (pForm)
       pForm->SetSubFocus(pFocus);
 
     CFWL_MsgSetFocus ms;
     ms.m_pDstTarget = pFocus;
     if (bNotify) {
       ms.m_dwExtend = 1;
     }
     IFWL_WidgetDelegate* pDelegate = pFocus->SetDelegate(nullptr);
     if (pDelegate) {
       pDelegate->OnProcessMessage(&ms);
     }
   }
   return TRUE;
 }
 FWL_Error CFWL_NoteDriver::Run() {
-  CFWL_WidgetMgr* pWidgetMgr = CFWL_WidgetMgr::GetInstance();
-  if (!pWidgetMgr)
-    return FWL_Error::Indefinite;
-
 #if (_FX_OS_ == _FX_LINUX_DESKTOP_ || _FX_OS_ == _FX_WIN32_DESKTOP_ || \
      _FX_OS_ == _FX_WIN64_)
   CFWL_NoteLoop* pTopLoop = nullptr;
   for (;;) {
     pTopLoop = GetTopLoop();
     if (!pTopLoop || !pTopLoop->ContinueModal())
       break;
     if (UnqueueMessage(pTopLoop))
       continue;
   }
@@ skipping 101 matching lines @@
   int32_t size = m_noteLoopQueue.GetSize();
   if (size <= 0)
     return nullptr;
   return static_cast<CFWL_NoteLoop*>(m_noteLoopQueue[size - 1]);
 }
 int32_t CFWL_NoteDriver::CountLoop() {
   return m_noteLoopQueue.GetSize();
 }
 
 FX_BOOL CFWL_NoteDriver::ProcessMessage(CFWL_Message* pMessage) {
-  CFWL_WidgetMgr* pWidgetMgr = CFWL_WidgetMgr::GetInstance();
+  CFWL_WidgetMgr* pWidgetMgr =
+      pMessage->m_pDstTarget->GetOwnerApp()->GetWidgetMgr();
   IFWL_Widget* pMessageForm = pWidgetMgr->IsFormDisabled()
                                   ? pMessage->m_pDstTarget
                                   : GetMessageForm(pMessage->m_pDstTarget);
   if (!pMessageForm)
     return FALSE;
   if (DispatchMessage(pMessage, pMessageForm)) {
     if (pMessage->GetClassID() == CFWL_MessageType::Mouse)
       MouseSecondary(static_cast<CFWL_MsgMouse*>(pMessage));
     return TRUE;
   }
@@ skipping 98 matching lines @@
   if (pDst == pMessageForm && pDst->IsInstance(L"FWL_FORMPROXY")) {
     return TRUE;
   }
 #endif
   return pDst != pMessageForm &&
          !pDst->IsInstance(FX_WSTRC(L"FWL_FORMPROXY")) &&
          !pMessageForm->IsInstance(FX_WSTRC(L"FWL_FORMPROXY"));
 }
 FX_BOOL CFWL_NoteDriver::DoSetFocus(CFWL_MsgSetFocus* pMsg,
                                     IFWL_Widget* pMessageForm) {
-  CFWL_WidgetMgr* pWidgetMgr = CFWL_WidgetMgr::GetInstance();
+  CFWL_WidgetMgr* pWidgetMgr = pMessageForm->GetOwnerApp()->GetWidgetMgr();
   if (pWidgetMgr->IsFormDisabled()) {
     m_pFocus = pMsg->m_pDstTarget;
     return TRUE;
   }
   IFWL_Widget* pWidget = pMsg->m_pDstTarget;
   if (pWidget) {
     IFWL_Form* pForm = static_cast<IFWL_Form*>(pWidget);
     IFWL_Widget* pSubFocus = pForm->GetSubFocus();
     if (pSubFocus && ((pSubFocus->GetStates() & FWL_WGTSTATE_Focused) == 0)) {
       pMsg->m_pDstTarget = pSubFocus;
       if (m_pFocus != pMsg->m_pDstTarget) {
         m_pFocus = pMsg->m_pDstTarget;
         return TRUE;
       }
     }
   }
   return FALSE;
 }
 FX_BOOL CFWL_NoteDriver::DoKillFocus(CFWL_MsgKillFocus* pMsg,
                                      IFWL_Widget* pMessageForm) {
-  CFWL_WidgetMgr* pWidgetMgr = CFWL_WidgetMgr::GetInstance();
+  CFWL_WidgetMgr* pWidgetMgr = pMessageForm->GetOwnerApp()->GetWidgetMgr();
   if (pWidgetMgr->IsFormDisabled()) {
     if (m_pFocus == pMsg->m_pDstTarget) {
       m_pFocus = nullptr;
     }
     return TRUE;
   }
   IFWL_Form* pForm = static_cast<IFWL_Form*>(pMsg->m_pDstTarget);
   if (pForm) {
     IFWL_Widget* pSubFocus = pForm->GetSubFocus();
     if (pSubFocus && (pSubFocus->GetStates() & FWL_WGTSTATE_Focused)) {
       pMsg->m_pDstTarget = pSubFocus;
       if (m_pFocus == pMsg->m_pDstTarget) {
         m_pFocus = nullptr;
         return TRUE;
       }
     }
   }
   return FALSE;
 }
 FX_BOOL CFWL_NoteDriver::DoKey(CFWL_MsgKey* pMsg, IFWL_Widget* pMessageForm) {
 #if (_FX_OS_ != _FX_MACOSX_)
   if (pMsg->m_dwCmd == FWL_KeyCommand::KeyDown &&
       pMsg->m_dwKeyCode == FWL_VKEY_Tab) {
-    CFWL_WidgetMgr* pWidgetMgr = CFWL_WidgetMgr::GetInstance();
+    CFWL_WidgetMgr* pWidgetMgr = pMessageForm->GetOwnerApp()->GetWidgetMgr();
     IFWL_Widget* pForm = GetMessageForm(pMsg->m_pDstTarget);
     IFWL_Widget* pFocus = m_pFocus;
     if (m_pFocus) {
       if (pWidgetMgr->GetSystemFormWidget(m_pFocus) != pForm)
         pFocus = nullptr;
     }
     FX_BOOL bFind = FALSE;
     IFWL_Widget* pNextTabStop = pWidgetMgr->nextTab(pForm, pFocus, bFind);
     if (!pNextTabStop) {
       bFind = FALSE;
       pNextTabStop = pWidgetMgr->nextTab(pForm, nullptr, bFind);
     }
     if (pNextTabStop == pFocus) {
       return TRUE;
     }
     if (pNextTabStop) {
       SetFocus(pNextTabStop);
     }
     return TRUE;
   }
 #endif
   if (!m_pFocus) {
     if (pMsg->m_dwCmd == FWL_KeyCommand::KeyDown &&
         pMsg->m_dwKeyCode == FWL_VKEY_Return) {
-      CFWL_WidgetMgr* pWidgetMgr = CFWL_WidgetMgr::GetInstance();
+      CFWL_WidgetMgr* pWidgetMgr = pMessageForm->GetOwnerApp()->GetWidgetMgr();
       IFWL_Widget* defButton = pWidgetMgr->GetDefaultButton(pMessageForm);
       if (defButton) {
         pMsg->m_pDstTarget = defButton;
         return TRUE;
       }
     }
     return FALSE;
   }
   pMsg->m_pDstTarget = m_pFocus;
   return TRUE;
 }
 FX_BOOL CFWL_NoteDriver::DoMouse(CFWL_MsgMouse* pMsg,
                                  IFWL_Widget* pMessageForm) {
   if (pMsg->m_dwCmd == FWL_MouseCommand::Leave ||
       pMsg->m_dwCmd == FWL_MouseCommand::Hover ||
       pMsg->m_dwCmd == FWL_MouseCommand::Enter) {
     return !!pMsg->m_pDstTarget;
   }
   if (pMsg->m_pDstTarget != pMessageForm) {
     pMsg->m_pDstTarget->TransformTo(pMessageForm, pMsg->m_fx, pMsg->m_fy);
   }
   if (!DoMouseEx(pMsg, pMessageForm)) {
     pMsg->m_pDstTarget = pMessageForm;
   }
   return TRUE;
 }
 FX_BOOL CFWL_NoteDriver::DoWheel(CFWL_MsgMouseWheel* pMsg,
                                  IFWL_Widget* pMessageForm) {
-  CFWL_WidgetMgr* pWidgetMgr = CFWL_WidgetMgr::GetInstance();
+  CFWL_WidgetMgr* pWidgetMgr = pMessageForm->GetOwnerApp()->GetWidgetMgr();
   if (!pWidgetMgr)
     return FALSE;
 
   IFWL_Widget* pDst =
       pWidgetMgr->GetWidgetAtPoint(pMessageForm, pMsg->m_fx, pMsg->m_fy);
   if (!pDst)
     return FALSE;
 
   pMessageForm->TransformTo(pDst, pMsg->m_fx, pMsg->m_fy);
   pMsg->m_pDstTarget = pDst;
   return TRUE;
 }
 FX_BOOL CFWL_NoteDriver::DoSize(CFWL_MsgSize* pMsg) {
-  CFWL_WidgetMgr* pWidgetMgr = CFWL_WidgetMgr::GetInstance();
+  CFWL_WidgetMgr* pWidgetMgr =
+      pMsg->m_pDstTarget->GetOwnerApp()->GetWidgetMgr();
   if (!pWidgetMgr)
     return FALSE;
   pWidgetMgr->NotifySizeChanged(pMsg->m_pDstTarget, (FX_FLOAT)pMsg->m_iWidth,
                                 (FX_FLOAT)pMsg->m_iHeight);
   return TRUE;
 }
 FX_BOOL CFWL_NoteDriver::DoWindowMove(CFWL_MsgWindowMove* pMsg,
                                       IFWL_Widget* pMessageForm) {
   return pMsg->m_pDstTarget == pMessageForm;
 }
 FX_BOOL CFWL_NoteDriver::DoDragFiles(CFWL_MsgDropFiles* pMsg,
                                      IFWL_Widget* pMessageForm) {
   return pMsg->m_pDstTarget == pMessageForm;
 }
 FX_BOOL CFWL_NoteDriver::DoMouseEx(CFWL_MsgMouse* pMsg,
                                    IFWL_Widget* pMessageForm) {
-  CFWL_WidgetMgr* pWidgetMgr = CFWL_WidgetMgr::GetInstance();
+  CFWL_WidgetMgr* pWidgetMgr = pMessageForm->GetOwnerApp()->GetWidgetMgr();
   if (!pWidgetMgr)
     return FALSE;
   IFWL_Widget* pTarget = nullptr;
   if (m_pGrab)
     pTarget = m_pGrab;
   if (!pTarget) {
     pTarget =
         pWidgetMgr->GetWidgetAtPoint(pMessageForm, pMsg->m_fx, pMsg->m_fy);
   }
   if (pTarget) {
@@ skipping 60 matching lines @@
     return nullptr;
   IFWL_Widget* pMessageForm = nullptr;
   if (iTrackLoop > 1) {
     CFWL_NoteLoop* pNootLoop =
         static_cast<CFWL_NoteLoop*>(m_noteLoopQueue[iTrackLoop - 1]);
     pMessageForm = pNootLoop->GetForm();
   } else if (m_forms.Find(pDstTarget) < 0) {
     pMessageForm = pDstTarget;
   }
   if (!pMessageForm && pDstTarget) {
-    CFWL_WidgetMgr* pWidgetMgr = CFWL_WidgetMgr::GetInstance();
+    CFWL_WidgetMgr* pWidgetMgr = pDstTarget->GetOwnerApp()->GetWidgetMgr();
     if (!pWidgetMgr)
       return nullptr;
     pMessageForm = pWidgetMgr->GetSystemFormWidget(pDstTarget);
   }
   return pMessageForm;
 }
 
 void CFWL_NoteDriver::ClearInvalidEventTargets(FX_BOOL bRemoveAll) {
   auto it = m_eventTargets.begin();
   while (it != m_eventTargets.end()) {
@@ skipping 142 matching lines @@
   if (!s_pInstance)
     s_pInstance = new CFWL_ToolTipContainer;
   return s_pInstance;
 }
 
 // static
 void CFWL_ToolTipContainer::DeleteInstance() {
   delete s_pInstance;
   s_pInstance = nullptr;
 }