Remove FWL globals.

xfa/fwl/core/ifwl_widget.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_widget.h"
 
 #include <algorithm>
 
 #include "xfa/fde/tto/fde_textout.h"
 #include "xfa/fwl/core/cfwl_message.h"
 #include "xfa/fwl/core/cfwl_themebackground.h"
 #include "xfa/fwl/core/cfwl_themepart.h"
 #include "xfa/fwl/core/cfwl_themetext.h"
 #include "xfa/fwl/core/cfwl_widgetmgr.h"
 #include "xfa/fwl/core/fwl_noteimp.h"
 #include "xfa/fwl/core/ifwl_app.h"
 #include "xfa/fwl/core/ifwl_combobox.h"
 #include "xfa/fwl/core/ifwl_form.h"
 #include "xfa/fwl/core/ifwl_themeprovider.h"
 #include "xfa/fwl/core/ifwl_widget.h"
 #include "xfa/fxfa/xfa_ffapp.h"
 
 #define FWL_STYLEEXT_MNU_Vert (1L << 0)
 
-IFWL_Widget::IFWL_Widget(const CFWL_WidgetImpProperties& properties,
+IFWL_Widget::IFWL_Widget(const IFWL_App* app,
+                         const CFWL_WidgetImpProperties& properties,
                          IFWL_Widget* pOuter)
-    : m_pWidgetMgr(CFWL_WidgetMgr::GetInstance()),
+    : m_pOwnerApp(app),
+      m_pWidgetMgr(app->GetWidgetMgr()),
       m_pProperties(new CFWL_WidgetImpProperties(properties)),
       m_pDelegate(nullptr),
       m_pCurDelegate(nullptr),
       m_pOuter(pOuter),
       m_pLayoutItem(nullptr),
       m_pAssociate(nullptr),
       m_iLock(0),
       m_nEventKey(0) {
   ASSERT(m_pWidgetMgr);
 }
 
 IFWL_Widget::~IFWL_Widget() {}
 
-FWL_Error IFWL_Widget::Initialize() {
-  IFWL_App* pApp = FWL_GetApp();
-  if (!pApp)
-    return FWL_Error::Indefinite;
-
-  CXFA_FFApp* pAdapter = pApp->GetAdapterNative();
-  if (!pAdapter)
-    return FWL_Error::Indefinite;
-
-  SetOwnerApp(FWL_GetApp());
-
+void IFWL_Widget::Initialize() {
   IFWL_Widget* pParent = m_pProperties->m_pParent;
   m_pWidgetMgr->InsertWidget(pParent, this);
   if (!IsChild()) {
     IFWL_Widget* pOwner = m_pProperties->m_pOwner;
     if (pOwner)
       m_pWidgetMgr->SetOwner(pOwner, this);
   }
-  return FWL_Error::Succeeded;
 }
 
 void IFWL_Widget::Finalize() {
   NotifyDriver();
   m_pWidgetMgr->RemoveWidget(this);
 }
 
 FX_BOOL IFWL_Widget::IsInstance(const CFX_WideStringC& wsClass) const {
   return FALSE;
 }
@@ skipping 119 matching lines @@
 }
 
 void IFWL_Widget::SetStates(uint32_t dwStates, FX_BOOL bSet) {
   bSet ? (m_pProperties->m_dwStates |= dwStates)
        : (m_pProperties->m_dwStates &= ~dwStates);
   if (!(dwStates & FWL_WGTSTATE_Invisible) || !bSet)
     return;
 
   CFWL_NoteDriver* noteDriver =
       static_cast<CFWL_NoteDriver*>(GetOwnerApp()->GetNoteDriver());
-  CFWL_WidgetMgr* widgetMgr = CFWL_WidgetMgr::GetInstance();
+  CFWL_WidgetMgr* widgetMgr = GetOwnerApp()->GetWidgetMgr();
   noteDriver->NotifyTargetHide(this);
   IFWL_Widget* child = widgetMgr->GetFirstChildWidget(this);
   while (child) {
     noteDriver->NotifyTargetHide(child);
     NotifyHideChildWidget(widgetMgr, child, noteDriver);
     child = widgetMgr->GetNextSiblingWidget(child);
   }
   return;
 }
 
@@ skipping 155 matching lines @@
     m_pCurDelegate = m_pDelegate;
   }
   if (!pDelegate) {
     return m_pCurDelegate;
   }
   IFWL_WidgetDelegate* pOldDelegate = m_pCurDelegate;
   m_pCurDelegate = pDelegate;
   return pOldDelegate;
 }
 
-IFWL_App* IFWL_Widget::GetOwnerApp() const {
+const IFWL_App* IFWL_Widget::GetOwnerApp() const {
   return m_pOwnerApp;
 }
 
-FWL_Error IFWL_Widget::SetOwnerApp(IFWL_App* pOwnerApp) {
-  m_pOwnerApp = pOwnerApp;
-  return FWL_Error::Succeeded;
-}
-
 uint32_t IFWL_Widget::GetEventKey() const {
   return m_nEventKey;
 }
 
 void IFWL_Widget::SetEventKey(uint32_t key) {
   m_nEventKey = key;
 }
 
 void* IFWL_Widget::GetLayoutItem() const {
   return m_pLayoutItem;
@@ skipping 167 matching lines @@
   calPart.m_wsText = wsText;
   calPart.m_dwTTOStyles = dwTTOStyles;
   calPart.m_iTTOAlign = iTTOAlign;
   pTheme->CalcTextRect(&calPart, rect);
 }
 
 void IFWL_Widget::SetFocus(FX_BOOL bFocus) {
   if (m_pWidgetMgr->IsFormDisabled())
     return;
 
-  IFWL_App* pApp = GetOwnerApp();
+  const IFWL_App* pApp = GetOwnerApp();
   if (!pApp)
     return;
 
   CFWL_NoteDriver* pDriver =
       static_cast<CFWL_NoteDriver*>(pApp->GetNoteDriver());
   if (!pDriver)
     return;
 
   IFWL_Widget* curFocus = pDriver->GetFocus();
   if (bFocus && curFocus != this) {
     pDriver->SetFocus(this);
   } else if (!bFocus && curFocus == this) {
     pDriver->SetFocus(nullptr);
   }
 }
 
 void IFWL_Widget::SetGrab(FX_BOOL bSet) {
-  IFWL_App* pApp = GetOwnerApp();
+  const IFWL_App* pApp = GetOwnerApp();
   if (!pApp)
     return;
   CFWL_NoteDriver* pDriver =
       static_cast<CFWL_NoteDriver*>(pApp->GetNoteDriver());
   pDriver->SetGrab(this, bSet);
 }
 
 FX_BOOL IFWL_Widget::GetPopupPos(FX_FLOAT fMinHeight,
                                  FX_FLOAT fMaxHeight,
                                  const CFX_RectF& rtAnchor,
@@ skipping 95 matching lines @@
   rtPopup.Offset(fx, fy);
   return TRUE;
 }
 
 FX_BOOL IFWL_Widget::GetScreenSize(FX_FLOAT& fx, FX_FLOAT& fy) {
   return FALSE;
 }
 
 void IFWL_Widget::RegisterEventTarget(IFWL_Widget* pEventSource,
                                       uint32_t dwFilter) {
-  IFWL_App* pApp = GetOwnerApp();
+  const IFWL_App* pApp = GetOwnerApp();
   if (!pApp)
     return;
 
   CFWL_NoteDriver* pNoteDriver = pApp->GetNoteDriver();
   if (!pNoteDriver)
     return;
 
   pNoteDriver->RegisterEventTarget(this, pEventSource, dwFilter);
 }
 
 void IFWL_Widget::UnregisterEventTarget() {
-  IFWL_App* pApp = GetOwnerApp();
+  const IFWL_App* pApp = GetOwnerApp();
   if (!pApp)
     return;
 
   CFWL_NoteDriver* pNoteDriver = pApp->GetNoteDriver();
   if (!pNoteDriver)
     return;
 
   pNoteDriver->UnregisterEventTarget(this);
 }
 
 void IFWL_Widget::DispatchKeyEvent(CFWL_MsgKey* pNote) {
   if (!pNote)
     return;
   CFWL_EvtKey* pEvent = new CFWL_EvtKey;
   pEvent->m_pSrcTarget = this;
   pEvent->m_dwCmd = pNote->m_dwCmd;
   pEvent->m_dwKeyCode = pNote->m_dwKeyCode;
   pEvent->m_dwFlags = pNote->m_dwFlags;
   DispatchEvent(pEvent);
   pEvent->Release();
 }
 
 void IFWL_Widget::DispatchEvent(CFWL_Event* pEvent) {
   if (m_pOuter) {
     IFWL_WidgetDelegate* pDelegate = m_pOuter->SetDelegate(nullptr);
     pDelegate->OnProcessEvent(pEvent);
     return;
   }
-  IFWL_App* pApp = GetOwnerApp();
+  const IFWL_App* pApp = GetOwnerApp();
   if (!pApp)
     return;
   CFWL_NoteDriver* pNoteDriver = pApp->GetNoteDriver();
   if (!pNoteDriver)
     return;
   pNoteDriver->SendEvent(pEvent);
 }
 
 void IFWL_Widget::Repaint(const CFX_RectF* pRect) {
   if (pRect) {
@@ skipping 51 matching lines @@
   param.m_iPart = iPartEdge;
   param.m_pGraphics = pGraphics;
   if (pMatrix) {
     param.m_matrix.Concat(*pMatrix, TRUE);
   }
   param.m_rtPart = rtEdge;
   pTheme->DrawBackground(&param);
 }
 
 void IFWL_Widget::NotifyDriver() {
-  IFWL_App* pApp = GetOwnerApp();
+  const IFWL_App* pApp = GetOwnerApp();
   if (!pApp)
     return;
 
   CFWL_NoteDriver* pDriver =
       static_cast<CFWL_NoteDriver*>(pApp->GetNoteDriver());
   if (!pDriver)
     return;
 
   pDriver->NotifyTargetDestroy(this);
 }
 
 CFX_SizeF IFWL_Widget::GetOffsetFromParent(IFWL_Widget* pParent) {
   if (pParent == this)
     return CFX_SizeF();
 
-  CFWL_WidgetMgr* pWidgetMgr = CFWL_WidgetMgr::GetInstance();
+  CFWL_WidgetMgr* pWidgetMgr = GetOwnerApp()->GetWidgetMgr();
   if (!pWidgetMgr)
     return CFX_SizeF();
 
   CFX_SizeF szRet(m_pProperties->m_rtWidget.left,
                   m_pProperties->m_rtWidget.top);
 
   IFWL_Widget* pDstWidget = GetParent();
   while (pDstWidget && pDstWidget != pParent) {
     CFX_RectF rtDst;
     pDstWidget->GetWidgetRect(rtDst);
@@ skipping 83 matching lines @@
   }
 }
 
 void CFWL_WidgetImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {}
 
 void CFWL_WidgetImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
                                           const CFX_Matrix* pMatrix) {
   CFWL_EvtDraw evt;
   evt.m_pGraphics = pGraphics;
 }