Tidy up CPDFDOC_Environment.

fpdfsdk/src/javascript/JS_Object.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 "../../include/javascript/JavaScript.h"
 #include "../../include/javascript/IJavaScript.h"
 #include "../../include/javascript/JS_Define.h"
 #include "../../include/javascript/JS_Object.h"
-// #include "../../include/javascript/JS_MsgBox.h"
-// #include "../../include/javascript/JS_ResMgr.h"
 #include "../../include/javascript/JS_Context.h"
 
 JS_TIMER_MAPARRAY& GetTimeMap()
 {
   // Leak the timer array at shutdown.
   static auto* timeMap = new JS_TIMER_MAPARRAY;
   return *timeMap;
 }
 
 int FXJS_MsgBox(CPDFDoc_Environment* pApp, CPDFSDK_PageView* pPageView, const FX_WCHAR* swMsg, const FX_WCHAR* swTitle, FX_UINT nType, FX_UINT nIcon)
 {
-        int nRet = 0;
+    if (!pApp)
+        return 0;
 
-        if(pApp)
-        {
-                CPDFSDK_Document* pDoc = pApp->GetCurrentDoc();
-                if(pDoc)
-                        pDoc->KillFocusAnnot();
-                nRet = pApp->JS_appAlert(swMsg, swTitle, nType, nIcon);
-        }
+    if (CPDFSDK_Document* pDoc = pApp->GetSDKDocument())
+        pDoc->KillFocusAnnot();
 
-        return nRet;
+    return pApp->JS_appAlert(swMsg, swTitle, nType, nIcon);
 }
 
 CPDFSDK_PageView* FXJS_GetPageView(IFXJS_Context* cc)
 {
-        if (CJS_Context* pContext = (CJS_Context *)cc)
-        {
-                if (pContext->GetReaderDocument())
-                        return NULL;
-        }
-        return NULL;
+    if (CJS_Context* pContext = (CJS_Context *)cc)
+    {
+        if (pContext->GetReaderDocument())
+            return NULL;
+    }
+    return NULL;
 }
 
 /* ---------------------------------  CJS_EmbedObj --------------------------------- */
 
 CJS_EmbedObj::CJS_EmbedObj(CJS_Object* pJSObject) :
-        m_pJSObject(pJSObject)
+    m_pJSObject(pJSObject)
 {
 }
 
 CJS_EmbedObj::~CJS_EmbedObj()
 {
-        m_pJSObject = NULL;
+    m_pJSObject = NULL;
 
 }
 
 CPDFSDK_PageView* CJS_EmbedObj::JSGetPageView(IFXJS_Context* cc)
 {
-        return FXJS_GetPageView(cc);
+    return FXJS_GetPageView(cc);
 }
 
 int CJS_EmbedObj::MsgBox(CPDFDoc_Environment* pApp, CPDFSDK_PageView* pPageView,const FX_WCHAR* swMsg,const FX_WCHAR* swTitle,FX_UINT nType,FX_UINT nIcon)
 {
-        return FXJS_MsgBox(pApp, pPageView, swMsg, swTitle, nType, nIcon);
+    return FXJS_MsgBox(pApp, pPageView, swMsg, swTitle, nType, nIcon);
 }
 
 void CJS_EmbedObj::Alert(CJS_Context* pContext, const FX_WCHAR* swMsg)
 {
-        CJS_Object::Alert(pContext, swMsg);
+    CJS_Object::Alert(pContext, swMsg);
 }
 
 CJS_Timer* CJS_EmbedObj::BeginTimer(CPDFDoc_Environment * pApp,FX_UINT nElapse)
 {
-        CJS_Timer* pTimer = new CJS_Timer(this,pApp);
-        pTimer->SetJSTimer(nElapse);
+    CJS_Timer* pTimer = new CJS_Timer(this,pApp);
+    pTimer->SetJSTimer(nElapse);
 
-        return pTimer;
+    return pTimer;
 }
 
 void CJS_EmbedObj::EndTimer(CJS_Timer* pTimer)
 {
-        ASSERT(pTimer != NULL);
-        pTimer->KillJSTimer();
-        delete pTimer;
+    ASSERT(pTimer != NULL);
+    pTimer->KillJSTimer();
+    delete pTimer;
 }
 
 /* ---------------------------------  CJS_Object --------------------------------- */
 void  FreeObject(const v8::WeakCallbackInfo<CJS_Object>& data)
 {
-        CJS_Object* pJSObj  = data.GetParameter();
+    CJS_Object* pJSObj  = data.GetParameter();
         pJSObj->ExitInstance();
         delete pJSObj;
-        JS_FreePrivate(data.GetInternalField(0));
+    JS_FreePrivate(data.GetInternalField(0));
 }
 
 void  DisposeObject(const v8::WeakCallbackInfo<CJS_Object>& data)
 {
-        CJS_Object* pJSObj  = data.GetParameter();
+    CJS_Object* pJSObj  = data.GetParameter();
         pJSObj->Dispose();
         data.SetSecondPassCallback(FreeObject);
 }
 
 CJS_Object::CJS_Object(JSFXObject pObject) :m_pEmbedObj(NULL)
 {
-        v8::Local<v8::Context> context = pObject->CreationContext();
-        m_pIsolate = context->GetIsolate();
-        m_pObject.Reset(m_pIsolate, pObject);
+    v8::Local<v8::Context> context = pObject->CreationContext();
+    m_pIsolate = context->GetIsolate();
+    m_pObject.Reset(m_pIsolate, pObject);
 };
 
 CJS_Object::~CJS_Object(void)
 {
-        delete m_pEmbedObj;
-        m_pEmbedObj = NULL;
+    delete m_pEmbedObj;
+    m_pEmbedObj = NULL;
 
-        m_pObject.Reset();
+    m_pObject.Reset();
 };
 
-void    CJS_Object::MakeWeak()
+void    CJS_Object::MakeWeak()
 {
-        m_pObject.SetWeak(
+    m_pObject.SetWeak(
             this, DisposeObject, v8::WeakCallbackType::kInternalFields);
 }
 
 void    CJS_Object::Dispose()
 {
         m_pObject.Reset();
 }
 
 CPDFSDK_PageView* CJS_Object::JSGetPageView(IFXJS_Context* cc)
 {
-        return FXJS_GetPageView(cc);
+    return FXJS_GetPageView(cc);
 }
 
 int CJS_Object::MsgBox(CPDFDoc_Environment* pApp, CPDFSDK_PageView* pPageView, const FX_WCHAR* swMsg, const FX_WCHAR* swTitle, FX_UINT nType, FX_UINT nIcon)
 {
-        return FXJS_MsgBox(pApp, pPageView, swMsg, swTitle, nType, nIcon);
+    return FXJS_MsgBox(pApp, pPageView, swMsg, swTitle, nType, nIcon);
 }
 
 void CJS_Object::Alert(CJS_Context* pContext, const FX_WCHAR* swMsg)
 {
-        ASSERT(pContext != NULL);
+    ASSERT(pContext != NULL);
 
-        if (pContext->IsMsgBoxEnabled())
-        {
-                CPDFDoc_Environment* pApp = pContext->GetReaderApp();
-                if(pApp)
-                        pApp->JS_appAlert(swMsg, NULL, 0, 3);
-        }
+    if (pContext->IsMsgBoxEnabled())
+    {
+        CPDFDoc_Environment* pApp = pContext->GetReaderApp();
+        if(pApp)
+            pApp->JS_appAlert(swMsg, NULL, 0, 3);
+    }
 }
-
-