Splitting fpdfdoc/doc_* part III.

This CL cleans up the remaining doc_* files, splitting into .h and .pp files
as needed.

Review-Url: https://codereview.chromium.org/2190983002

1 files changed, 329 insertions, 0 deletions

diff --git a/core/fpdfdoc/cpdf_formcontrol.cpp b/core/fpdfdoc/cpdf_formcontrol.cpp
new file mode 100644
index 0000000000..e6c505869c
--- /dev/null
+++ b/core/fpdfdoc/cpdf_formcontrol.cpp
@@ -0,0 +1,329 @@
+// 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 "core/fpdfdoc/include/cpdf_formcontrol.h"
+
+#include <algorithm>
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_form.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h"
+#include "core/fpdfapi/fpdf_parser/include/fpdf_parser_decode.h"
+#include "core/fpdfapi/fpdf_render/include/cpdf_rendercontext.h"
+#include "core/fpdfdoc/include/cpdf_interform.h"
+
+namespace {
+
+const FX_CHAR* const g_sHighlightingMode[] = {
+    // Must match order of HighlightingMode enum.
+    "N", "I", "O", "P", "T"};
+
+}  // namespace
+
+CPDF_FormControl::CPDF_FormControl(CPDF_FormField* pField,
+                                   CPDF_Dictionary* pWidgetDict)
+    : m_pField(pField),
+      m_pWidgetDict(pWidgetDict),
+      m_pForm(m_pField->m_pForm) {}
+
+CFX_ByteString CPDF_FormControl::GetOnStateName() const {
+  ASSERT(GetType() == CPDF_FormField::CheckBox ||
+         GetType() == CPDF_FormField::RadioButton);
+  CFX_ByteString csOn;
+  CPDF_Dictionary* pAP = m_pWidgetDict->GetDictBy("AP");
+  if (!pAP)
+    return csOn;
+
+  CPDF_Dictionary* pN = pAP->GetDictBy("N");
+  if (!pN)
+    return csOn;
+
+  for (const auto& it : *pN) {
+    if (it.first != "Off")
+      return it.first;
+  }
+  return CFX_ByteString();
+}
+
+void CPDF_FormControl::SetOnStateName(const CFX_ByteString& csOn) {
+  ASSERT(GetType() == CPDF_FormField::CheckBox ||
+         GetType() == CPDF_FormField::RadioButton);
+  CFX_ByteString csValue = csOn;
+  if (csValue.IsEmpty())
+    csValue = "Yes";
+  else if (csValue == "Off")
+    csValue = "Yes";
+
+  CFX_ByteString csAS = m_pWidgetDict->GetStringBy("AS", "Off");
+  if (csAS != "Off")
+    m_pWidgetDict->SetAtName("AS", csValue);
+
+  CPDF_Dictionary* pAP = m_pWidgetDict->GetDictBy("AP");
+  if (!pAP)
+    return;
+
+  for (const auto& it : *pAP) {
+    CPDF_Object* pObj1 = it.second;
+    if (!pObj1)
+      continue;
+
+    CPDF_Object* pObjDirect1 = pObj1->GetDirect();
+    CPDF_Dictionary* pSubDict = pObjDirect1->AsDictionary();
+    if (!pSubDict)
+      continue;
+
+    auto subdict_it = pSubDict->begin();
+    while (subdict_it != pSubDict->end()) {
+      const CFX_ByteString& csKey2 = subdict_it->first;
+      CPDF_Object* pObj2 = subdict_it->second;
+      ++subdict_it;
+      if (!pObj2)
+        continue;
+      if (csKey2 != "Off") {
+        pSubDict->ReplaceKey(csKey2, csValue);
+        break;
+      }
+    }
+  }
+}
+
+CFX_ByteString CPDF_FormControl::GetCheckedAPState() {
+  ASSERT(GetType() == CPDF_FormField::CheckBox ||
+         GetType() == CPDF_FormField::RadioButton);
+  CFX_ByteString csOn = GetOnStateName();
+  if (GetType() == CPDF_FormField::RadioButton ||
+      GetType() == CPDF_FormField::CheckBox) {
+    if (ToArray(FPDF_GetFieldAttr(m_pField->m_pDict, "Opt"))) {
+      int iIndex = m_pField->GetControlIndex(this);
+      csOn.Format("%d", iIndex);
+    }
+  }
+  if (csOn.IsEmpty())
+    csOn = "Yes";
+  return csOn;
+}
+
+CFX_WideString CPDF_FormControl::GetExportValue() const {
+  ASSERT(GetType() == CPDF_FormField::CheckBox ||
+         GetType() == CPDF_FormField::RadioButton);
+  CFX_ByteString csOn = GetOnStateName();
+  if (GetType() == CPDF_FormField::RadioButton ||
+      GetType() == CPDF_FormField::CheckBox) {
+    if (CPDF_Array* pArray =
+            ToArray(FPDF_GetFieldAttr(m_pField->m_pDict, "Opt"))) {
+      int iIndex = m_pField->GetControlIndex(this);
+      csOn = pArray->GetStringAt(iIndex);
+    }
+  }
+  if (csOn.IsEmpty())
+    csOn = "Yes";
+  return PDF_DecodeText(csOn);
+}
+
+bool CPDF_FormControl::IsChecked() const {
+  ASSERT(GetType() == CPDF_FormField::CheckBox ||
+         GetType() == CPDF_FormField::RadioButton);
+  CFX_ByteString csOn = GetOnStateName();
+  CFX_ByteString csAS = m_pWidgetDict->GetStringBy("AS");
+  return csAS == csOn;
+}
+
+bool CPDF_FormControl::IsDefaultChecked() const {
+  ASSERT(GetType() == CPDF_FormField::CheckBox ||
+         GetType() == CPDF_FormField::RadioButton);
+  CPDF_Object* pDV = FPDF_GetFieldAttr(m_pField->m_pDict, "DV");
+  if (!pDV)
+    return FALSE;
+
+  CFX_ByteString csDV = pDV->GetString();
+  CFX_ByteString csOn = GetOnStateName();
+  return (csDV == csOn);
+}
+
+void CPDF_FormControl::CheckControl(FX_BOOL bChecked) {
+  ASSERT(GetType() == CPDF_FormField::CheckBox ||
+         GetType() == CPDF_FormField::RadioButton);
+  CFX_ByteString csOn = GetOnStateName();
+  CFX_ByteString csOldAS = m_pWidgetDict->GetStringBy("AS", "Off");
+  CFX_ByteString csAS = "Off";
+  if (bChecked)
+    csAS = csOn;
+  if (csOldAS == csAS)
+    return;
+  m_pWidgetDict->SetAtName("AS", csAS);
+}
+
+void CPDF_FormControl::DrawControl(CFX_RenderDevice* pDevice,
+                                   CFX_Matrix* pMatrix,
+                                   CPDF_Page* pPage,
+                                   CPDF_Annot::AppearanceMode mode,
+                                   const CPDF_RenderOptions* pOptions) {
+  if (m_pWidgetDict->GetIntegerBy("F") & ANNOTFLAG_HIDDEN)
+    return;
+
+  CPDF_Stream* pStream = FPDFDOC_GetAnnotAP(m_pWidgetDict, mode);
+  if (!pStream)
+    return;
+
+  CFX_FloatRect form_bbox = pStream->GetDict()->GetRectBy("BBox");
+  CFX_Matrix form_matrix = pStream->GetDict()->GetMatrixBy("Matrix");
+  form_matrix.TransformRect(form_bbox);
+  CFX_FloatRect arect = m_pWidgetDict->GetRectBy("Rect");
+  CFX_Matrix matrix;
+  matrix.MatchRect(arect, form_bbox);
+  matrix.Concat(*pMatrix);
+  CPDF_Form form(m_pField->m_pForm->m_pDocument,
+                 m_pField->m_pForm->m_pFormDict->GetDictBy("DR"), pStream);
+  form.ParseContent(nullptr, nullptr, nullptr);
+  CPDF_RenderContext context(pPage);
+  context.AppendLayer(&form, &matrix);
+  context.Render(pDevice, pOptions, nullptr);
+}
+
+CPDF_FormControl::HighlightingMode CPDF_FormControl::GetHighlightingMode() {
+  if (!m_pWidgetDict)
+    return Invert;
+
+  CFX_ByteString csH = m_pWidgetDict->GetStringBy("H", "I");
+  for (size_t i = 0; i < FX_ArraySize(g_sHighlightingMode); ++i) {
+    if (csH == g_sHighlightingMode[i])
+      return static_cast<HighlightingMode>(i);
+  }
+  return Invert;
+}
+
+CPDF_ApSettings CPDF_FormControl::GetMK() const {
+  return CPDF_ApSettings(m_pWidgetDict ? m_pWidgetDict->GetDictBy("MK")
+                                       : nullptr);
+}
+
+bool CPDF_FormControl::HasMKEntry(const CFX_ByteString& csEntry) const {
+  return GetMK().HasMKEntry(csEntry);
+}
+
+int CPDF_FormControl::GetRotation() {
+  return GetMK().GetRotation();
+}
+
+FX_ARGB CPDF_FormControl::GetColor(int& iColorType,
+                                   const CFX_ByteString& csEntry) {
+  return GetMK().GetColor(iColorType, csEntry);
+}
+
+FX_FLOAT CPDF_FormControl::GetOriginalColor(int index,
+                                            const CFX_ByteString& csEntry) {
+  return GetMK().GetOriginalColor(index, csEntry);
+}
+
+void CPDF_FormControl::GetOriginalColor(int& iColorType,
+                                        FX_FLOAT fc[4],
+                                        const CFX_ByteString& csEntry) {
+  GetMK().GetOriginalColor(iColorType, fc, csEntry);
+}
+
+CFX_WideString CPDF_FormControl::GetCaption(const CFX_ByteString& csEntry) {
+  return GetMK().GetCaption(csEntry);
+}
+
+CPDF_Stream* CPDF_FormControl::GetIcon(const CFX_ByteString& csEntry) {
+  return GetMK().GetIcon(csEntry);
+}
+
+CPDF_IconFit CPDF_FormControl::GetIconFit() {
+  return GetMK().GetIconFit();
+}
+
+int CPDF_FormControl::GetTextPosition() {
+  return GetMK().GetTextPosition();
+}
+
+CPDF_Action CPDF_FormControl::GetAction() {
+  if (!m_pWidgetDict)
+    return CPDF_Action();
+
+  if (m_pWidgetDict->KeyExist("A"))
+    return CPDF_Action(m_pWidgetDict->GetDictBy("A"));
+
+  CPDF_Object* pObj = FPDF_GetFieldAttr(m_pField->m_pDict, "A");
+  if (!pObj)
+    return CPDF_Action();
+
+  return CPDF_Action(pObj->GetDict());
+}
+
+CPDF_AAction CPDF_FormControl::GetAdditionalAction() {
+  if (!m_pWidgetDict)
+    return CPDF_AAction();
+
+  if (m_pWidgetDict->KeyExist("AA"))
+    return CPDF_AAction(m_pWidgetDict->GetDictBy("AA"));
+  return m_pField->GetAdditionalAction();
+}
+
+CPDF_DefaultAppearance CPDF_FormControl::GetDefaultAppearance() {
+  if (!m_pWidgetDict)
+    return CPDF_DefaultAppearance();
+
+  if (m_pWidgetDict->KeyExist("DA"))
+    return CPDF_DefaultAppearance(m_pWidgetDict->GetStringBy("DA"));
+
+  CPDF_Object* pObj = FPDF_GetFieldAttr(m_pField->m_pDict, "DA");
+  if (pObj)
+    return CPDF_DefaultAppearance(pObj->GetString());
+  return m_pField->m_pForm->GetDefaultAppearance();
+}
+
+CPDF_Font* CPDF_FormControl::GetDefaultControlFont() {
+  CPDF_DefaultAppearance cDA = GetDefaultAppearance();
+  CFX_ByteString csFontNameTag;
+  FX_FLOAT fFontSize;
+  cDA.GetFont(csFontNameTag, fFontSize);
+  if (csFontNameTag.IsEmpty())
+    return nullptr;
+
+  CPDF_Object* pObj = FPDF_GetFieldAttr(m_pWidgetDict, "DR");
+  if (CPDF_Dictionary* pDict = ToDictionary(pObj)) {
+    CPDF_Dictionary* pFonts = pDict->GetDictBy("Font");
+    if (pFonts) {
+      CPDF_Dictionary* pElement = pFonts->GetDictBy(csFontNameTag);
+      if (pElement) {
+        CPDF_Font* pFont = m_pField->m_pForm->m_pDocument->LoadFont(pElement);
+        if (pFont)
+          return pFont;
+      }
+    }
+  }
+  if (CPDF_Font* pFormFont = m_pField->m_pForm->GetFormFont(csFontNameTag))
+    return pFormFont;
+
+  CPDF_Dictionary* pPageDict = m_pWidgetDict->GetDictBy("P");
+  pObj = FPDF_GetFieldAttr(pPageDict, "Resources");
+  if (CPDF_Dictionary* pDict = ToDictionary(pObj)) {
+    CPDF_Dictionary* pFonts = pDict->GetDictBy("Font");
+    if (pFonts) {
+      CPDF_Dictionary* pElement = pFonts->GetDictBy(csFontNameTag);
+      if (pElement) {
+        CPDF_Font* pFont = m_pField->m_pForm->m_pDocument->LoadFont(pElement);
+        if (pFont)
+          return pFont;
+      }
+    }
+  }
+  return nullptr;
+}
+
+int CPDF_FormControl::GetControlAlignment() {
+  if (!m_pWidgetDict)
+    return 0;
+  if (m_pWidgetDict->KeyExist("Q"))
+    return m_pWidgetDict->GetIntegerBy("Q", 0);
+
+  CPDF_Object* pObj = FPDF_GetFieldAttr(m_pField->m_pDict, "Q");
+  if (pObj)
+    return pObj->GetInteger();
+  return m_pField->m_pForm->GetFormAlignment();
+}