Hook up the default v8::Platform implementation to pdfium

fpdfsdk/src/javascript/JS_Runtime.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_EventHandler.h"
 #include "../../include/javascript/JS_Runtime.h"
 #include "../../include/javascript/JS_Context.h"
 #include "../../include/javascript/JS_Define.h"
 #include "../../include/javascript/JS_Object.h"
 #include "../../include/javascript/JS_Value.h"
 #include "../../include/javascript/Document.h"
 #include "../../include/javascript/app.h"
 #include "../../include/javascript/color.h"
 #include "../../include/javascript/Consts.h"
 #include "../../include/javascript/Document.h"
 #include "../../include/javascript/event.h"
 #include "../../include/javascript/Field.h"
 #include "../../include/javascript/Icon.h"
 #include "../../include/javascript/PublicMethods.h"
 #include "../../include/javascript/report.h"
 #include "../../include/javascript/util.h"
 #include "../../include/javascript/JS_GlobalData.h"
 #include "../../include/javascript/global.h"
 #include "../../include/javascript/console.h"
 
+#include <libplatform/libplatform.h>
+
 CJS_RuntimeFactory::~CJS_RuntimeFactory()
 {
 }
 
 IFXJS_Runtime*                                  CJS_RuntimeFactory::NewJSRuntime(CPDFDoc_Environment* pApp)
 {
         if (!m_bInit)
         {
                 JS_Initial();
+                m_platform = v8::platform::CreateDefaultPlatform();
+                v8::V8::InitializePlatform(m_platform);

[Lei Zhang, 2014/08/01 06:51:22]

With component builds on Linux, when loading PDFs that call
FORM_DoDocumentJSAction(), InitializePlatform() fails an ASSERT() because
InitializePlatform() has already been caller in Webkit.cpp.

                 
                 m_bInit = TRUE;
         }
         return new CJS_Runtime(pApp);
 }
 void                                                    CJS_RuntimeFactory::AddRef()
 {
         //to do.Should be implemented as atom manipulation.
         m_nRef++;
 }
 void                                                    CJS_RuntimeFactory::Release()
 {       
         if(m_bInit)
         {
                 //to do.Should be implemented as atom manipulation.
                 if (--m_nRef == 0)
                 {
                         JS_Release();
                         ReleaseGlobalData();
+                        v8::V8::ShutdownPlatform();
+                        delete m_platform;
+                        m_platform = NULL;
                         m_bInit = FALSE;
                 }
         }
 }
 
 void                                                    CJS_RuntimeFactory::DeleteJSRuntime(IFXJS_Runtime* pRuntime)
 {
         if(pRuntime)
                 delete (CJS_Runtime*)pRuntime;
 }
@@ skipping 393 matching lines @@
         return v8::Isolate::GetCurrent() == m_isolate;
 }
 void    CJS_Runtime::Exit()
 {
         if(m_isolate) m_isolate->Exit();
 }
 void    CJS_Runtime::Enter()
 {
         if(m_isolate) m_isolate->Enter();
 }