// 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 #ifndef XFA_FXFA_XFA_FFAPP_H_ #define XFA_FXFA_XFA_FFAPP_H_ #include <memory> #include <vector> #include "core/fpdfapi/parser/cpdf_stream.h" #include "core/fpdfapi/parser/cpdf_stream_acc.h" #include "xfa/fgas/font/fgas_font.h" #include "xfa/fwl/core/ifwl_app.h" #include "xfa/fxfa/fxfa.h" class CFWL_WidgetMgrDelegate; class CXFA_DefFontMgr; class CXFA_FWLAdapterWidgetMgr; class CXFA_FWLTheme; class CXFA_FFDocHandler; class CXFA_FontMgr; class IFWL_AdapterTimerMgr; class CXFA_FileRead : public IFX_SeekableReadStream { public: explicit CXFA_FileRead(const std::vector<CPDF_Stream*>& streams); ~CXFA_FileRead() override; // IFX_SeekableReadStream FX_FILESIZE GetSize() override; bool ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) override; void Release() override; protected: CFX_ObjectArray<CPDF_StreamAcc> m_Data; }; class CXFA_FFApp { public: explicit CXFA_FFApp(IXFA_AppProvider* pProvider); ~CXFA_FFApp(); CXFA_FFDoc* CreateDoc(IXFA_DocEnvironment* pDocEnvironment, IFX_SeekableReadStream* pStream, bool bTakeOverFile); CXFA_FFDoc* CreateDoc(IXFA_DocEnvironment* pDocEnvironment, CPDF_Document* pPDFDoc); void SetDefaultFontMgr(std::unique_ptr<CXFA_DefFontMgr> pFontMgr); CXFA_FFDocHandler* GetDocHandler(); CXFA_FWLAdapterWidgetMgr* GetWidgetMgr(CFWL_WidgetMgrDelegate* pDelegate); IFGAS_FontMgr* GetFDEFontMgr(); CXFA_FWLTheme* GetFWLTheme(); IXFA_AppProvider* GetAppProvider() const { return m_pProvider; } const IFWL_App* GetFWLApp() const { return m_pFWLApp.get(); } IFWL_AdapterTimerMgr* GetTimerMgr() const; CXFA_FontMgr* GetXFAFontMgr() const; CFWL_WidgetMgrDelegate* GetWidgetMgrDelegate() const { return m_pWidgetMgrDelegate; } void ClearEventTargets(); protected: std::unique_ptr<CXFA_FFDocHandler> m_pDocHandler; IXFA_AppProvider* const m_pProvider; // The fonts stored in the font manager may have been created by the default // font manager. The GEFont::LoadFont call takes the manager as a param and // stores it internally. When you destroy the GEFont it tries to unregister // from the font manager and if the default font manager was destroyed first // get get a use-after-free. The m_pFWLTheme can try to cleanup a GEFont // when it frees, so make sure it gets cleaned up first. That requires // m_pFWLApp to be cleaned up as well. // // TODO(dsinclair): The GEFont should have the FontMgr as the pointer instead // of the DEFFontMgr so this goes away. Bug 561. std::unique_ptr<IFGAS_FontMgr> m_pFDEFontMgr; std::unique_ptr<CXFA_FontMgr> m_pFontMgr; #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ std::unique_ptr<CFX_FontSourceEnum_File> m_pFontSource; #endif std::unique_ptr<CXFA_FWLAdapterWidgetMgr> m_pAdapterWidgetMgr; CFWL_WidgetMgrDelegate* m_pWidgetMgrDelegate; // not owned. // |m_pFWLApp| has to be released first, then |m_pFWLTheme| since the former // may refers to theme manager and the latter refers to font manager. std::unique_ptr<CXFA_FWLTheme> m_pFWLTheme; std::unique_ptr<IFWL_App> m_pFWLApp; }; #endif // XFA_FXFA_XFA_FFAPP_H_