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      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 #include "../../include/fxcodec/fx_codec.h"
      8 #include "../../include/fpdfapi/fpdf_module.h"
      9 static CPDF_ModuleMgr*	g_FPDFAPI_pDefaultMgr = NULL;
     10 CPDF_ModuleMgr* CPDF_ModuleMgr::Get()
     11 {
     12     return g_FPDFAPI_pDefaultMgr;
     13 }
     14 void CPDF_ModuleMgr::Create()
     15 {
     16     g_FPDFAPI_pDefaultMgr = new CPDF_ModuleMgr;
     17     g_FPDFAPI_pDefaultMgr->Initialize();
     18 }
     19 void CPDF_ModuleMgr::Destroy()
     20 {
     21     if (g_FPDFAPI_pDefaultMgr) {
     22         delete g_FPDFAPI_pDefaultMgr;
     23     }
     24     g_FPDFAPI_pDefaultMgr = NULL;
     25 }
     26 CPDF_ModuleMgr::CPDF_ModuleMgr()
     27 {
     28     m_pCodecModule = NULL;
     29     m_pPageModule = NULL;
     30     m_pRenderModule = NULL;
     31     m_FileBufSize = 512;
     32 }
     33 void CPDF_ModuleMgr::Initialize()
     34 {
     35     InitModules();
     36     m_FileBufSize = 512;
     37 }
     38 void CPDF_ModuleMgr::InitModules()
     39 {
     40     m_pCodecModule = NULL;
     41     m_pPageModule = new CPDF_PageModuleDef;
     42     m_pRenderModule = new CPDF_RenderModuleDef;
     43 }
     44 CPDF_ModuleMgr::~CPDF_ModuleMgr()
     45 {
     46     if (m_pPageModule) {
     47         delete m_pPageModule;
     48     }
     49     if (m_pRenderModule) {
     50         delete m_pRenderModule;
     51     }
     52 }
     53 void CPDF_ModuleMgr::SetDownloadCallback(FX_BOOL (*callback)(FX_LPCSTR module_name))
     54 {
     55     m_pDownloadCallback = callback;
     56 }
     57 FX_BOOL CPDF_ModuleMgr::DownloadModule(FX_LPCSTR module_name)
     58 {
     59     if (m_pDownloadCallback == NULL) {
     60         return FALSE;
     61     }
     62     return m_pDownloadCallback(module_name);
     63 }
     64 void CPDF_ModuleMgr::NotifyModuleAvailable(FX_LPCSTR module_name)
     65 {
     66     if (FXSYS_strcmp(module_name, ADDIN_NAME_CJK) == 0) {
     67         m_pPageModule->NotifyCJKAvailable();
     68     } else if (FXSYS_strcmp(module_name, ADDIN_NAME_DECODER) == 0) {
     69         m_pRenderModule->NotifyDecoderAvailable();
     70     }
     71 }
     72 void CPDF_ModuleMgr::RegisterSecurityHandler(FX_LPCSTR filter, CPDF_SecurityHandler * (*CreateHandler)(void* param), void* param)
     73 {
     74     if (CreateHandler == NULL) {
     75         m_SecurityHandlerMap.RemoveKey(filter);
     76     } else {
     77         m_SecurityHandlerMap.SetAt(filter, (void*)CreateHandler);
     78     }
     79     if (param) {
     80         m_SecurityHandlerMap.SetAt(FX_BSTRC("_param_") + filter, param);
     81     }
     82 }
     83 void CPDF_ModuleMgr::SetPrivateData(FX_LPVOID module_id, FX_LPVOID pData, PD_CALLBACK_FREEDATA callback)
     84 {
     85     m_privateData.SetPrivateData(module_id, pData, callback);
     86 }
     87 FX_LPVOID CPDF_ModuleMgr::GetPrivateData(FX_LPVOID module_id)
     88 {
     89     return m_privateData.GetPrivateData(module_id);
     90 }
     91 CPDF_SecurityHandler* CPDF_ModuleMgr::CreateSecurityHandler(FX_LPCSTR filter)
     92 {
     93     CPDF_SecurityHandler* (*CreateHandler)(void*) = NULL;
     94     if (!m_SecurityHandlerMap.Lookup(filter, (void*&)CreateHandler)) {
     95         return NULL;
     96     }
     97     if (CreateHandler == NULL) {
     98         return NULL;
     99     }
    100     void* param = NULL;
    101     m_SecurityHandlerMap.Lookup(FX_BSTRC("_param_") + filter, param);
    102     return CreateHandler(param);
    103 }
    104 ICodec_FaxModule* CPDF_ModuleMgr::GetFaxModule()
    105 {
    106     return m_pCodecModule ? m_pCodecModule->GetFaxModule() : NULL;
    107 }
    108 ICodec_JpegModule* CPDF_ModuleMgr::GetJpegModule()
    109 {
    110     return m_pCodecModule ? m_pCodecModule->GetJpegModule() : NULL;
    111 }
    112 ICodec_JpxModule* CPDF_ModuleMgr::GetJpxModule()
    113 {
    114     return m_pCodecModule ? m_pCodecModule->GetJpxModule() : NULL;
    115 }
    116 ICodec_Jbig2Module* CPDF_ModuleMgr::GetJbig2Module()
    117 {
    118     return m_pCodecModule ? m_pCodecModule->GetJbig2Module() : NULL;
    119 }
    120 ICodec_IccModule* CPDF_ModuleMgr::GetIccModule()
    121 {
    122     return m_pCodecModule ? m_pCodecModule->GetIccModule() : NULL;
    123 }
    124 ICodec_FlateModule* CPDF_ModuleMgr::GetFlateModule()
    125 {
    126     return m_pCodecModule ? m_pCodecModule->GetFlateModule() : NULL;
    127 }
    128