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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "pdf/pdfium/pdfium_unsupported_features.h"
#include "base/check.h"
#include "pdf/pdfium/pdfium_engine.h"
#include "third_party/pdfium/public/fpdf_ext.h"
namespace chrome_pdf {
namespace {
// Only check `g_engine_for_unsupported` if `g_engine_available` is true.
bool g_engine_available = true;
PDFiumEngine* g_engine_for_unsupported = nullptr;
void Unsupported_Handler(UNSUPPORT_INFO*, int type) {
if (!g_engine_for_unsupported) {
DCHECK(!g_engine_available);
return;
}
std::string feature;
switch (type) {
case FPDF_UNSP_DOC_XFAFORM:
feature = "XFA";
break;
case FPDF_UNSP_DOC_PORTABLECOLLECTION:
feature = "Portfolios_Packages";
break;
case FPDF_UNSP_DOC_ATTACHMENT:
case FPDF_UNSP_ANNOT_ATTACHMENT:
feature = "Attachment";
break;
case FPDF_UNSP_DOC_SECURITY:
feature = "Rights_Management";
break;
case FPDF_UNSP_DOC_SHAREDREVIEW:
feature = "Shared_Review";
break;
case FPDF_UNSP_DOC_SHAREDFORM_ACROBAT:
case FPDF_UNSP_DOC_SHAREDFORM_FILESYSTEM:
case FPDF_UNSP_DOC_SHAREDFORM_EMAIL:
feature = "Shared_Form";
break;
case FPDF_UNSP_ANNOT_3DANNOT:
feature = "3D";
break;
case FPDF_UNSP_ANNOT_MOVIE:
feature = "Movie";
break;
case FPDF_UNSP_ANNOT_SOUND:
feature = "Sound";
break;
case FPDF_UNSP_ANNOT_SCREEN_MEDIA:
case FPDF_UNSP_ANNOT_SCREEN_RICHMEDIA:
feature = "Screen";
break;
case FPDF_UNSP_ANNOT_SIG:
feature = "Digital_Signature";
break;
}
g_engine_for_unsupported->UnsupportedFeature(feature);
}
UNSUPPORT_INFO g_unsupported_info = {1, Unsupported_Handler};
} // namespace
void InitializeUnsupportedFeaturesHandler() {
FSDK_SetUnSpObjProcessHandler(&g_unsupported_info);
}
ScopedUnsupportedFeature::ScopedUnsupportedFeature(PDFiumEngine* engine)
: saved_engine_available_(g_engine_available),
saved_engine_(g_engine_for_unsupported) {
DCHECK(engine);
g_engine_available = true;
g_engine_for_unsupported = engine;
}
ScopedUnsupportedFeature::ScopedUnsupportedFeature(NoEngine no_engine)
: saved_engine_available_(g_engine_available),
saved_engine_(g_engine_for_unsupported) {
g_engine_available = false;
g_engine_for_unsupported = nullptr;
}
ScopedUnsupportedFeature::~ScopedUnsupportedFeature() {
g_engine_for_unsupported = saved_engine_;
g_engine_available = saved_engine_available_;
}
} // namespace chrome_pdf
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