Home | History | Annotate | Download | only in fpdfapi 
      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 = FX_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 = FX_NEW CPDF_PageModuleDef;
     42     m_pRenderModule = FX_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 static CFX_ByteString _GetPath(const CFX_ByteString& folder, FX_LPCSTR name)
     65 {
     66     FX_STRSIZE folder_len = folder.GetLength();
     67 #if _FX_OS_ == _FX_SYMBIAN_ || _FXM_PLATFORM_  == _FXM_PLATFORM_WINDOWS_
     68     if (folder[folder_len - 1] == '\\') {
     69         return folder + name;
     70     } else {
     71         return (folder + "\\") + name;
     72     }
     73 #else
     74     if (folder[folder_len - 1] == '/') {
     75         return folder + name;
     76     } else {
     77         return (folder + "/") + name;
     78     }
     79 #endif
     80 }
     81 void CPDF_ModuleMgr::SetModulePath(FX_LPCSTR module_name, FX_LPCSTR path)
     82 {
     83     if (module_name == NULL || module_name[0] == 0) {
     84         m_DefaultModulePath = path;
     85     } else {
     86         m_ModulePathList.SetAt(module_name, FX_NEW CFX_ByteString(path, -1));
     87     }
     88 }
     89 CFX_ByteString CPDF_ModuleMgr::GetModuleFilePath(FX_LPCSTR module_name, FX_LPCSTR name)
     90 {
     91     CFX_ByteString* pPath = NULL;
     92     if (m_ModulePathList.Lookup(module_name, (FX_LPVOID&)pPath)) {
     93         return _GetPath(*pPath, name);
     94     }
     95     if (!m_DefaultModulePath.IsEmpty()) {
     96         return _GetPath(m_DefaultModulePath, name);
     97     }
     98 #if _FXM_PLATFORM_  == _FXM_PLATFORM_WINDOWS_
     99     FX_WCHAR app_path[260];
    100     ::GetModuleFileNameW(NULL, (LPWSTR)app_path, 260);
    101     FX_INTPTR len = FXSYS_wcslen(app_path);
    102     for (FX_INTPTR i = len; i >= 0; i --)
    103         if (app_path[i] == '\\') {
    104             app_path[i] = 0;
    105             break;
    106         }
    107     CFX_ByteString path = CFX_ByteString::FromUnicode(app_path);
    108     path += '\\';
    109     path += name;
    110     return path;
    111 #else
    112     return name;
    113 #endif
    114 }
    115 void CPDF_ModuleMgr::NotifyModuleAvailable(FX_LPCSTR module_name)
    116 {
    117     if (FXSYS_strcmp(module_name, ADDIN_NAME_CJK) == 0) {
    118         m_pPageModule->NotifyCJKAvailable();
    119     } else if (FXSYS_strcmp(module_name, ADDIN_NAME_DECODER) == 0) {
    120         m_pRenderModule->NotifyDecoderAvailable();
    121     }
    122 }
    123 void CPDF_ModuleMgr::RegisterSecurityHandler(FX_LPCSTR filter, CPDF_SecurityHandler * (*CreateHandler)(void* param), void* param)
    124 {
    125     if (CreateHandler == NULL) {
    126         m_SecurityHandlerMap.RemoveKey(filter);
    127     } else {
    128         m_SecurityHandlerMap.SetAt(filter, (void*)CreateHandler);
    129     }
    130     if (param) {
    131         m_SecurityHandlerMap.SetAt(FX_BSTRC("_param_") + filter, param);
    132     }
    133 }
    134 void CPDF_ModuleMgr::SetPrivateData(FX_LPVOID module_id, FX_LPVOID pData, PD_CALLBACK_FREEDATA callback)
    135 {
    136     m_privateData.SetPrivateData(module_id, pData, callback);
    137 }
    138 FX_LPVOID CPDF_ModuleMgr::GetPrivateData(FX_LPVOID module_id)
    139 {
    140     return m_privateData.GetPrivateData(module_id);
    141 }
    142 CPDF_SecurityHandler* CPDF_ModuleMgr::CreateSecurityHandler(FX_LPCSTR filter)
    143 {
    144     CPDF_SecurityHandler* (*CreateHandler)(void*) = NULL;
    145     if (!m_SecurityHandlerMap.Lookup(filter, (void*&)CreateHandler)) {
    146         return NULL;
    147     }
    148     if (CreateHandler == NULL) {
    149         return NULL;
    150     }
    151     void* param = NULL;
    152     m_SecurityHandlerMap.Lookup(FX_BSTRC("_param_") + filter, param);
    153     return CreateHandler(param);
    154 }
    155 ICodec_FaxModule* CPDF_ModuleMgr::GetFaxModule()
    156 {
    157     return m_pCodecModule ? m_pCodecModule->GetFaxModule() : NULL;
    158 }
    159 ICodec_JpegModule* CPDF_ModuleMgr::GetJpegModule()
    160 {
    161     return m_pCodecModule ? m_pCodecModule->GetJpegModule() : NULL;
    162 }
    163 ICodec_JpxModule* CPDF_ModuleMgr::GetJpxModule()
    164 {
    165     return m_pCodecModule ? m_pCodecModule->GetJpxModule() : NULL;
    166 }
    167 ICodec_Jbig2Module* CPDF_ModuleMgr::GetJbig2Module()
    168 {
    169     return m_pCodecModule ? m_pCodecModule->GetJbig2Module() : NULL;
    170 }
    171 ICodec_IccModule* CPDF_ModuleMgr::GetIccModule()
    172 {
    173     return m_pCodecModule ? m_pCodecModule->GetIccModule() : NULL;
    174 }
    175 ICodec_FlateModule* CPDF_ModuleMgr::GetFlateModule()
    176 {
    177     return m_pCodecModule ? m_pCodecModule->GetFlateModule() : NULL;
    178 }
    179