1 // Copyright 2014 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #ifndef XFA_FXFA_CXFA_FFAPP_H_ 8 #define XFA_FXFA_CXFA_FFAPP_H_ 9 10 #include <memory> 11 12 #include "core/fxcrt/unowned_ptr.h" 13 #include "xfa/fwl/cfwl_app.h" 14 #include "xfa/fxfa/cxfa_fontmgr.h" 15 #include "xfa/fxfa/fxfa.h" 16 17 class CFGAS_FontMgr; 18 class CFWL_WidgetMgr; 19 class CXFA_FWLAdapterWidgetMgr; 20 class CXFA_FWLTheme; 21 22 class CXFA_FFApp : public CFWL_App::AdapterIface { 23 public: 24 static void SkipFontLoadForTesting(bool skip); 25 26 explicit CXFA_FFApp(IXFA_AppProvider* pProvider); 27 ~CXFA_FFApp() override; 28 29 // CFWL_App::AdapterIface: 30 CFWL_WidgetMgr::AdapterIface* GetWidgetMgrAdapter() override; 31 TimerHandlerIface* GetTimerHandler() override; 32 GetFWLWidgetMgr()33 CFWL_WidgetMgr* GetFWLWidgetMgr() const { return m_pFWLApp->GetWidgetMgr(); } 34 CFGAS_FontMgr* GetFDEFontMgr(); 35 CXFA_FWLTheme* GetFWLTheme(CXFA_FFDoc* doc); 36 GetAppProvider()37 IXFA_AppProvider* GetAppProvider() const { return m_pProvider.Get(); } GetFWLApp()38 const CFWL_App* GetFWLApp() const { return m_pFWLApp.get(); } GetXFAFontMgr()39 CXFA_FontMgr* GetXFAFontMgr() { return &m_pFontMgr; } 40 41 void ClearEventTargets(); 42 43 private: 44 UnownedPtr<IXFA_AppProvider> const m_pProvider; 45 46 // The fonts stored in the font manager may have been created by the default 47 // font manager. The GEFont::LoadFont call takes the manager as a param and 48 // stores it internally. When you destroy the GEFont it tries to unregister 49 // from the font manager and if the default font manager was destroyed first 50 // you get a use-after-free. The m_pFWLTheme can try to cleanup a GEFont 51 // when it frees, so make sure it gets cleaned up first. That requires 52 // m_pFWLApp to be cleaned up as well. 53 // 54 // TODO(dsinclair): The GEFont should have the FontMgr as the pointer instead 55 // of the DEFFontMgr so this goes away. Bug 561. 56 std::unique_ptr<CFGAS_FontMgr> m_pFDEFontMgr; 57 CXFA_FontMgr m_pFontMgr; 58 59 std::unique_ptr<CXFA_FWLAdapterWidgetMgr> m_pAdapterWidgetMgr; 60 61 // |m_pFWLApp| has to be released first, then |m_pFWLTheme| since the former 62 // may refers to theme manager and the latter refers to font manager. 63 std::unique_ptr<CXFA_FWLTheme> m_pFWLTheme; 64 std::unique_ptr<CFWL_App> m_pFWLApp; 65 }; 66 67 #endif // XFA_FXFA_CXFA_FFAPP_H_ 68