xref: /aosp_15_r20/external/pdfium/fpdfsdk/cpdfsdk_customaccess.h (revision 3ac0a46f773bac49fa9476ec2b1cf3f8da5ec3a4)
1*3ac0a46fSAndroid Build Coastguard Worker // Copyright 2018 The PDFium Authors
2*3ac0a46fSAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be
3*3ac0a46fSAndroid Build Coastguard Worker // found in the LICENSE file.
4*3ac0a46fSAndroid Build Coastguard Worker 
5*3ac0a46fSAndroid Build Coastguard Worker // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6*3ac0a46fSAndroid Build Coastguard Worker 
7*3ac0a46fSAndroid Build Coastguard Worker #ifndef FPDFSDK_CPDFSDK_CUSTOMACCESS_H_
8*3ac0a46fSAndroid Build Coastguard Worker #define FPDFSDK_CPDFSDK_CUSTOMACCESS_H_
9*3ac0a46fSAndroid Build Coastguard Worker 
10*3ac0a46fSAndroid Build Coastguard Worker #include "core/fxcrt/fx_stream.h"
11*3ac0a46fSAndroid Build Coastguard Worker #include "core/fxcrt/retain_ptr.h"
12*3ac0a46fSAndroid Build Coastguard Worker #include "public/fpdfview.h"
13*3ac0a46fSAndroid Build Coastguard Worker 
14*3ac0a46fSAndroid Build Coastguard Worker class CPDFSDK_CustomAccess final : public IFX_SeekableReadStream {
15*3ac0a46fSAndroid Build Coastguard Worker  public:
16*3ac0a46fSAndroid Build Coastguard Worker   CONSTRUCT_VIA_MAKE_RETAIN;
17*3ac0a46fSAndroid Build Coastguard Worker 
18*3ac0a46fSAndroid Build Coastguard Worker   // IFX_SeekableReadStream
19*3ac0a46fSAndroid Build Coastguard Worker   FX_FILESIZE GetSize() override;
20*3ac0a46fSAndroid Build Coastguard Worker   bool ReadBlockAtOffset(pdfium::span<uint8_t> buffer,
21*3ac0a46fSAndroid Build Coastguard Worker                          FX_FILESIZE offset) override;
22*3ac0a46fSAndroid Build Coastguard Worker 
23*3ac0a46fSAndroid Build Coastguard Worker  private:
24*3ac0a46fSAndroid Build Coastguard Worker   explicit CPDFSDK_CustomAccess(FPDF_FILEACCESS* pFileAccess);
25*3ac0a46fSAndroid Build Coastguard Worker   ~CPDFSDK_CustomAccess() override;
26*3ac0a46fSAndroid Build Coastguard Worker 
27*3ac0a46fSAndroid Build Coastguard Worker   FPDF_FILEACCESS m_FileAccess;
28*3ac0a46fSAndroid Build Coastguard Worker };
29*3ac0a46fSAndroid Build Coastguard Worker 
30*3ac0a46fSAndroid Build Coastguard Worker #endif  // FPDFSDK_CPDFSDK_CUSTOMACCESS_H_
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