Remove unused XFA Widget API methods

Keeping the internal widget details, since they are likely needed for
wiring up XFA with the other form APIs.

BUG=pdfium:1056

Change-Id: I000468e27bbb59346c4288f1c4f0fe96ed5f3603
Reviewed-on: https://pdfium-review.googlesource.com/29870
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>

3 files changed, 0 insertions, 214 deletions

diff --git a/fpdfsdk/fpdf_formfill.cpp b/fpdfsdk/fpdf_formfill.cpp
index 7185044b72..7b47259a12 100644
--- a/fpdfsdk/fpdf_formfill.cpp
+++ b/fpdfsdk/fpdf_formfill.cpp
@@ -496,121 +496,6 @@ FPDF_EXPORT void FPDF_CALLCONV FPDF_FFLRecord(FPDF_FORMHANDLE hHandle,
 }
 #endif
 
-#ifdef PDF_ENABLE_XFA
-FPDF_EXPORT void FPDF_CALLCONV FPDF_Widget_Undo(FPDF_DOCUMENT document,
-                                                FPDF_WIDGET hWidget) {
-  if (!hWidget || !document)
-    return;
-
-  CPDFXFA_Context* pContext = static_cast<CPDFXFA_Context*>(document);
-  if (!pContext->ContainsXFAForm())
-    return;
-
-  static_cast<CXFA_FFWidget*>(hWidget)->Undo();
-}
-
-FPDF_EXPORT void FPDF_CALLCONV FPDF_Widget_Redo(FPDF_DOCUMENT document,
-                                                FPDF_WIDGET hWidget) {
-  if (!hWidget || !document)
-    return;
-
-  CPDFXFA_Context* pContext = static_cast<CPDFXFA_Context*>(document);
-  if (!pContext->ContainsXFAForm())
-    return;
-
-  static_cast<CXFA_FFWidget*>(hWidget)->Redo();
-}
-
-FPDF_EXPORT void FPDF_CALLCONV FPDF_Widget_SelectAll(FPDF_DOCUMENT document,
-                                                     FPDF_WIDGET hWidget) {
-  if (!hWidget || !document)
-    return;
-
-  CPDFXFA_Context* pContext = static_cast<CPDFXFA_Context*>(document);
-  if (!pContext->ContainsXFAForm())
-    return;
-
-  static_cast<CXFA_FFWidget*>(hWidget)->SelectAll();
-}
-
-FPDF_EXPORT void FPDF_CALLCONV FPDF_Widget_Copy(FPDF_DOCUMENT document,
-                                                FPDF_WIDGET hWidget,
-                                                FPDF_WIDESTRING wsText,
-                                                FPDF_DWORD* size) {
-  if (!hWidget || !document)
-    return;
-
-  CPDFXFA_Context* pContext = static_cast<CPDFXFA_Context*>(document);
-  if (!pContext->ContainsXFAForm())
-    return;
-
-  WideString wsCpText =
-      static_cast<CXFA_FFWidget*>(hWidget)->Copy().value_or(WideString());
-
-  ByteString bsCpText = wsCpText.UTF16LE_Encode();
-  uint32_t len = bsCpText.GetLength() / sizeof(unsigned short);
-  if (!wsText) {
-    *size = len;
-    return;
-  }
-
-  uint32_t real_size = len < *size ? len : *size;
-  if (real_size > 0) {
-    memcpy((void*)wsText,
-           bsCpText.GetBuffer(real_size * sizeof(unsigned short)),
-           real_size * sizeof(unsigned short));
-    bsCpText.ReleaseBuffer(real_size * sizeof(unsigned short));
-  }
-  *size = real_size;
-}
-
-FPDF_EXPORT void FPDF_CALLCONV FPDF_Widget_Cut(FPDF_DOCUMENT document,
-                                               FPDF_WIDGET hWidget,
-                                               FPDF_WIDESTRING wsText,
-                                               FPDF_DWORD* size) {
-  if (!hWidget || !document)
-    return;
-
-  CPDFXFA_Context* pContext = static_cast<CPDFXFA_Context*>(document);
-  if (!pContext->ContainsXFAForm())
-    return;
-
-  WideString wsCpText =
-      static_cast<CXFA_FFWidget*>(hWidget)->Cut().value_or(WideString());
-
-  ByteString bsCpText = wsCpText.UTF16LE_Encode();
-  uint32_t len = bsCpText.GetLength() / sizeof(unsigned short);
-  if (!wsText) {
-    *size = len;
-    return;
-  }
-
-  uint32_t real_size = len < *size ? len : *size;
-  if (real_size > 0) {
-    memcpy((void*)wsText,
-           bsCpText.GetBuffer(real_size * sizeof(unsigned short)),
-           real_size * sizeof(unsigned short));
-    bsCpText.ReleaseBuffer(real_size * sizeof(unsigned short));
-  }
-  *size = real_size;
-}
-
-FPDF_EXPORT void FPDF_CALLCONV FPDF_Widget_Paste(FPDF_DOCUMENT document,
-                                                 FPDF_WIDGET hWidget,
-                                                 FPDF_WIDESTRING wsText,
-                                                 FPDF_DWORD size) {
-  if (!hWidget || !document)
-    return;
-
-  CPDFXFA_Context* pContext = static_cast<CPDFXFA_Context*>(document);
-  if (!pContext->ContainsXFAForm())
-    return;
-
-  WideString wstr = WideString::FromUTF16LE(wsText, size);
-  static_cast<CXFA_FFWidget*>(hWidget)->Paste(wstr);
-}
-#endif  // PDF_ENABLE_XFA
-
 FPDF_EXPORT void FPDF_CALLCONV
 FPDF_SetFormFieldHighlightColor(FPDF_FORMHANDLE hHandle,
                                 int fieldType,
diff --git a/fpdfsdk/fpdf_view_c_api_test.c b/fpdfsdk/fpdf_view_c_api_test.c
index c352e69e37..1942b73957 100644
--- a/fpdfsdk/fpdf_view_c_api_test.c
+++ b/fpdfsdk/fpdf_view_c_api_test.c
@@ -227,12 +227,6 @@ int CheckPDFiumCApi() {
     CHK(FPDF_GetFormType);
 #ifdef PDF_ENABLE_XFA
     CHK(FPDF_LoadXFA);
-    CHK(FPDF_Widget_Undo);
-    CHK(FPDF_Widget_Redo);
-    CHK(FPDF_Widget_SelectAll);
-    CHK(FPDF_Widget_Copy);
-    CHK(FPDF_Widget_Cut);
-    CHK(FPDF_Widget_Paste);
 #endif
 
     // fpdf_ppo.h
diff --git a/public/fpdf_formfill.h b/public/fpdf_formfill.h
index 33701ef9c1..6cf2fcea0c 100644
--- a/public/fpdf_formfill.h
+++ b/public/fpdf_formfill.h
@@ -1663,99 +1663,6 @@ FPDF_EXPORT int FPDF_CALLCONV FPDF_GetFormType(FPDF_DOCUMENT document);
  *          TRUE indicates success,otherwise FALSE.
  **/
 FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDF_LoadXFA(FPDF_DOCUMENT document);
-
-/**
- * Function: FPDF_Widget_Undo
- *          This method will implement the undo feature for the specified xfa
- *field.
- * Parameters:
- *          document        -   Handle to document. Returned by
- *FPDF_LoadDocument function.
- *          hWidget         -   Handle to the xfa field.
- * Return Value:
- *          None.
- **/
-FPDF_EXPORT void FPDF_CALLCONV FPDF_Widget_Undo(FPDF_DOCUMENT document,
-                                                FPDF_WIDGET hWidget);
-/**
- * Function: FPDF_Widget_Redo
- *          This method will implement the redo feature for the specified xfa
- *field.
- * Parameters:
- *          document        -   Handle to document. Returned by
- *FPDF_LoadDocument function.
- *          hWidget         -   Handle to the xfa field.
- * Return Value:
- *          None.
- **/
-FPDF_EXPORT void FPDF_CALLCONV FPDF_Widget_Redo(FPDF_DOCUMENT document,
-                                                FPDF_WIDGET hWidget);
-/**
- * Function: FPDF_Widget_SelectAll
- *          This method will implement the select all feature for the specified
- *xfa field.
- * Parameters:
- *          document        -   Handle to document. Returned by
- *FPDF_LoadDocument function.
- *          hWidget         -   Handle to the xfa field.
- * Return Value:
- *          None.
- **/
-FPDF_EXPORT void FPDF_CALLCONV FPDF_Widget_SelectAll(FPDF_DOCUMENT document,
-                                                     FPDF_WIDGET hWidget);
-/**
- * Function: FPDF_Widget_Copy
- *          This method will implement the copy feature for the specified xfa
- *field.
- * Parameters:
- *          document        -   Handle to document. Returned by
- *FPDF_LoadDocument function.
- *          hWidget         -   Handle to the xfa field.
- *          wsText          -   Pointer to data buffer to receive the copied
- *data, in UTF-16LE format.
- *          size            -   The data buffer size.
- * Return Value:
- *          None.
- **/
-FPDF_EXPORT void FPDF_CALLCONV FPDF_Widget_Copy(FPDF_DOCUMENT document,
-                                                FPDF_WIDGET hWidget,
-                                                FPDF_WIDESTRING wsText,
-                                                FPDF_DWORD* size);
-/**
- * Function: FPDF_Widget_Cut
- *          This method will implement the cut feature for the specified xfa
- *field.
- * Parameters:
- *          document        -   Handle to document. Returned by
- *FPDF_LoadDocument function.
- *          hWidget         -   Handle to the xfa field.
- *          wsText          -   Pointer to data buffer to receive the cut
- *data,in UTF-16LE format.
- *          size            -   The data buffer size,not the byte number.
- * Return Value:
- *          None.
- **/
-FPDF_EXPORT void FPDF_CALLCONV FPDF_Widget_Cut(FPDF_DOCUMENT document,
-                                               FPDF_WIDGET hWidget,
-                                               FPDF_WIDESTRING wsText,
-                                               FPDF_DWORD* size);
-/**
- * Function: FPDF_Widget_Paste
- *          This method will implement the paste feature for the specified xfa
- *field.
- * Parameters:
- *          document        -   Handle to document. Returned by
- *FPDF_LoadDocument function.
- *          hWidget         -   Handle to the xfa field.
- *          wsText          -   The paste text buffer, in UTF-16LE format.
- *          size            -   The data buffer size,not the byte number.
- * Return Value:
- *          None.
- **/
-FPDF_EXPORT void FPDF_CALLCONV FPDF_Widget_Paste(FPDF_DOCUMENT document,
-                                                 FPDF_WIDGET hWidget,
-                                                 FPDF_WIDESTRING wsText,
-                                                 FPDF_DWORD size);
 #endif  // PDF_ENABLE_XFA
 
 #ifdef __cplusplus