Add initial Document::getAnnot support

fpdfsdk/javascript/Annot.cpp

Index: fpdfsdk/javascript/Annot.cpp
diff --git a/fpdfsdk/javascript/Annot.cpp b/fpdfsdk/javascript/Annot.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..df123274d52d92fee5eccc3cbd692a42b880ad6b
--- /dev/null
+++ b/fpdfsdk/javascript/Annot.cpp
@@ -0,0 +1,89 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "fpdfsdk/javascript/Annot.h"
+
+#include "fpdfsdk/javascript/JS_Define.h"
+#include "fpdfsdk/javascript/JS_Object.h"
+#include "fpdfsdk/javascript/JS_Value.h"
+#include "fpdfsdk/javascript/cjs_context.h"
+
+BEGIN_JS_STATIC_CONST(CJS_Annot)
+END_JS_STATIC_CONST()
+
+BEGIN_JS_STATIC_PROP(CJS_Annot)
+JS_STATIC_PROP_ENTRY(hidden)
+JS_STATIC_PROP_ENTRY(name)
+JS_STATIC_PROP_ENTRY(type)
+END_JS_STATIC_PROP()
+
+BEGIN_JS_STATIC_METHOD(CJS_Annot)
+END_JS_STATIC_METHOD()
+
+IMPLEMENT_JS_CLASS(CJS_Annot, Annot)
+
+Annot::Annot(CJS_Object* pJSObject) : CJS_EmbedObj(pJSObject) {}
+
+Annot::~Annot() {}
+
+FX_BOOL Annot::hidden(IJS_Context* cc,
+                      CJS_PropValue& vp,
+                      CFX_WideString& sError) {
+  if (vp.IsGetting()) {
+    CPDF_Annot* pPDFAnnot = m_BAAnnot->GetPDFAnnot();
+    vp << CPDF_Annot::IsAnnotationHidden(pPDFAnnot->GetAnnotDict());
+    return TRUE;
+  }
+
+  bool bHidden;
+  vp >> bHidden;
+
+  uint32_t flags = m_BAAnnot->GetFlags();
+  if (bHidden) {
+    flags |= ANNOTFLAG_HIDDEN;
+    flags |= ANNOTFLAG_INVISIBLE;
+    flags |= ANNOTFLAG_NOVIEW;
+    flags &= ~ANNOTFLAG_PRINT;
+  } else {
+    flags &= ~ANNOTFLAG_HIDDEN;
+    flags &= ~ANNOTFLAG_INVISIBLE;
+    flags &= ~ANNOTFLAG_NOVIEW;
+    flags |= ANNOTFLAG_PRINT;
+  }
+  m_BAAnnot->SetFlags(flags);
+  return TRUE;
+}
+
+FX_BOOL Annot::name(IJS_Context* cc,
+                    CJS_PropValue& vp,
+                    CFX_WideString& sError) {
+  if (vp.IsGetting()) {
+    vp << m_BAAnnot->GetAnnotName();
+    return TRUE;
+  }
+
+  CFX_WideString annotName;
+  vp >> annotName;
+  m_BAAnnot->SetAnnotName(annotName);
+  return TRUE;
+}
+
+FX_BOOL Annot::type(IJS_Context* cc,
+                    CJS_PropValue& vp,
+                    CFX_WideString& sError) {
+  if (vp.IsSetting()) {
+    CJS_Context* pContext = static_cast<CJS_Context*>(cc);
+    sError = JSGetStringFromID(pContext, IDS_STRING_JSREADONLY);
+    return FALSE;
+  }
+
+  vp << m_BAAnnot->GetType();
+  return TRUE;
+}
+
+void Annot::SetSDKAnnot(CPDFSDK_BAAnnot* annot) {
+  m_BAAnnot = annot;
+}