| // Copyright 2014 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 "public/fpdf_formfill.h" |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "core/fpdfapi/page/cpdf_page.h" |
| #include "core/fpdfapi/parser/cpdf_document.h" |
| #include "core/fpdfapi/render/cpdf_renderoptions.h" |
| #include "core/fpdfdoc/cpdf_formcontrol.h" |
| #include "core/fpdfdoc/cpdf_formfield.h" |
| #include "core/fpdfdoc/cpdf_interform.h" |
| #include "core/fpdfdoc/cpdf_occontext.h" |
| #include "core/fxge/cfx_defaultrenderdevice.h" |
| #include "fpdfsdk/cpdfsdk_actionhandler.h" |
| #include "fpdfsdk/cpdfsdk_formfillenvironment.h" |
| #include "fpdfsdk/cpdfsdk_helpers.h" |
| #include "fpdfsdk/cpdfsdk_interform.h" |
| #include "fpdfsdk/cpdfsdk_pageview.h" |
| #include "public/fpdfview.h" |
| #include "third_party/base/ptr_util.h" |
| #include "third_party/base/stl_util.h" |
| |
| #ifdef PDF_ENABLE_XFA |
| #include "fpdfsdk/fpdfxfa/cpdfxfa_context.h" |
| #include "fpdfsdk/fpdfxfa/cpdfxfa_page.h" |
| #include "xfa/fxfa/cxfa_ffdocview.h" |
| #include "xfa/fxfa/cxfa_ffpageview.h" |
| #include "xfa/fxfa/cxfa_ffwidget.h" |
| |
| static_assert(static_cast<int>(FormType::kNone) == FORMTYPE_NONE, |
| "None form types must match"); |
| static_assert(static_cast<int>(FormType::kAcroForm) == FORMTYPE_ACRO_FORM, |
| "AcroForm form types must match"); |
| static_assert(static_cast<int>(FormType::kXFAFull) == FORMTYPE_XFA_FULL, |
| "XFA full form types must match"); |
| static_assert(static_cast<int>(FormType::kXFAForeground) == |
| FORMTYPE_XFA_FOREGROUND, |
| "XFA foreground form types must match"); |
| #endif // PDF_ENABLE_XFA |
| |
| static_assert(static_cast<int>(FormFieldType::kUnknown) == |
| FPDF_FORMFIELD_UNKNOWN, |
| "Unknown form field types must match"); |
| static_assert(static_cast<int>(FormFieldType::kPushButton) == |
| FPDF_FORMFIELD_PUSHBUTTON, |
| "PushButton form field types must match"); |
| static_assert(static_cast<int>(FormFieldType::kCheckBox) == |
| FPDF_FORMFIELD_CHECKBOX, |
| "CheckBox form field types must match"); |
| static_assert(static_cast<int>(FormFieldType::kRadioButton) == |
| FPDF_FORMFIELD_RADIOBUTTON, |
| "RadioButton form field types must match"); |
| static_assert(static_cast<int>(FormFieldType::kComboBox) == |
| FPDF_FORMFIELD_COMBOBOX, |
| "ComboBox form field types must match"); |
| static_assert(static_cast<int>(FormFieldType::kListBox) == |
| FPDF_FORMFIELD_LISTBOX, |
| "ListBox form field types must match"); |
| static_assert(static_cast<int>(FormFieldType::kTextField) == |
| FPDF_FORMFIELD_TEXTFIELD, |
| "TextField form field types must match"); |
| static_assert(static_cast<int>(FormFieldType::kSignature) == |
| FPDF_FORMFIELD_SIGNATURE, |
| "Signature form field types must match"); |
| #ifdef PDF_ENABLE_XFA |
| static_assert(static_cast<int>(FormFieldType::kXFA) == FPDF_FORMFIELD_XFA, |
| "XFA form field types must match"); |
| static_assert(static_cast<int>(FormFieldType::kXFA_CheckBox) == |
| FPDF_FORMFIELD_XFA_CHECKBOX, |
| "XFA CheckBox form field types must match"); |
| static_assert(static_cast<int>(FormFieldType::kXFA_ComboBox) == |
| FPDF_FORMFIELD_XFA_COMBOBOX, |
| "XFA ComboBox form field types must match"); |
| static_assert(static_cast<int>(FormFieldType::kXFA_ImageField) == |
| FPDF_FORMFIELD_XFA_IMAGEFIELD, |
| "XFA ImageField form field types must match"); |
| static_assert(static_cast<int>(FormFieldType::kXFA_ListBox) == |
| FPDF_FORMFIELD_XFA_LISTBOX, |
| "XFA ListBox form field types must match"); |
| static_assert(static_cast<int>(FormFieldType::kXFA_PushButton) == |
| FPDF_FORMFIELD_XFA_PUSHBUTTON, |
| "XFA PushButton form field types must match"); |
| static_assert(static_cast<int>(FormFieldType::kXFA_Signature) == |
| FPDF_FORMFIELD_XFA_SIGNATURE, |
| "XFA Signature form field types must match"); |
| static_assert(static_cast<int>(FormFieldType::kXFA_TextField) == |
| FPDF_FORMFIELD_XFA_TEXTFIELD, |
| "XFA TextField form field types must match"); |
| #endif // PDF_ENABLE_XFA |
| static_assert(kFormFieldTypeCount == FPDF_FORMFIELD_COUNT, |
| "Number of form field types must match"); |
| |
| namespace { |
| |
| CPDFSDK_FormFillEnvironment* HandleToCPDFSDKEnvironment( |
| FPDF_FORMHANDLE handle) { |
| return static_cast<CPDFSDK_FormFillEnvironment*>(handle); |
| } |
| |
| CPDFSDK_InterForm* FormHandleToInterForm(FPDF_FORMHANDLE hHandle) { |
| CPDFSDK_FormFillEnvironment* pFormFillEnv = |
| HandleToCPDFSDKEnvironment(hHandle); |
| return pFormFillEnv ? pFormFillEnv->GetInterForm() : nullptr; |
| } |
| |
| CPDFSDK_PageView* FormHandleToPageView(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page) { |
| UnderlyingPageType* pPage = UnderlyingFromFPDFPage(page); |
| if (!pPage) |
| return nullptr; |
| |
| CPDFSDK_FormFillEnvironment* pFormFillEnv = |
| HandleToCPDFSDKEnvironment(hHandle); |
| return pFormFillEnv ? pFormFillEnv->GetPageView(pPage, true) : nullptr; |
| } |
| |
| void FFLCommon(FPDF_FORMHANDLE hHandle, |
| FPDF_BITMAP bitmap, |
| FPDF_RECORDER recorder, |
| FPDF_PAGE page, |
| int start_x, |
| int start_y, |
| int size_x, |
| int size_y, |
| int rotate, |
| int flags) { |
| if (!hHandle) |
| return; |
| |
| UnderlyingPageType* pPage = UnderlyingFromFPDFPage(page); |
| if (!pPage) |
| return; |
| |
| #ifdef PDF_ENABLE_XFA |
| CPDFXFA_Context* pContext = pPage->GetContext(); |
| if (!pContext) |
| return; |
| CPDF_Document* pPDFDoc = pContext->GetPDFDoc(); |
| if (!pPDFDoc) |
| return; |
| CPDFSDK_FormFillEnvironment* pFormFillEnv = |
| HandleToCPDFSDKEnvironment(hHandle); |
| if (!pFormFillEnv) |
| return; |
| #endif // PDF_ENABLE_XFA |
| |
| CFX_Matrix matrix = |
| pPage->GetDisplayMatrix(start_x, start_y, size_x, size_y, rotate); |
| FX_RECT clip(start_x, start_y, start_x + size_x, start_y + size_y); |
| |
| auto pDevice = pdfium::MakeUnique<CFX_DefaultRenderDevice>(); |
| #ifdef _SKIA_SUPPORT_ |
| pDevice->AttachRecorder(static_cast<SkPictureRecorder*>(recorder)); |
| #endif |
| RetainPtr<CFX_DIBitmap> holder(CFXBitmapFromFPDFBitmap(bitmap)); |
| pDevice->Attach(holder, false, nullptr, false); |
| { |
| CFX_RenderDevice::StateRestorer restorer(pDevice.get()); |
| pDevice->SetClip_Rect(clip); |
| |
| CPDF_RenderOptions options; |
| uint32_t option_flags = options.GetFlags(); |
| if (flags & FPDF_LCD_TEXT) |
| option_flags |= RENDER_CLEARTYPE; |
| else |
| option_flags &= ~RENDER_CLEARTYPE; |
| options.SetFlags(option_flags); |
| |
| // Grayscale output |
| if (flags & FPDF_GRAYSCALE) |
| options.SetColorMode(CPDF_RenderOptions::kGray); |
| |
| options.SetDrawAnnots(flags & FPDF_ANNOT); |
| |
| #ifdef PDF_ENABLE_XFA |
| options.SetOCContext( |
| pdfium::MakeRetain<CPDF_OCContext>(pPDFDoc, CPDF_OCContext::View)); |
| if (CPDFSDK_PageView* pPageView = pFormFillEnv->GetPageView(pPage, true)) |
| pPageView->PageView_OnDraw(pDevice.get(), &matrix, &options, clip); |
| #else // PDF_ENABLE_XFA |
| options.SetOCContext(pdfium::MakeRetain<CPDF_OCContext>( |
| pPage->m_pDocument.Get(), CPDF_OCContext::View)); |
| if (CPDFSDK_PageView* pPageView = FormHandleToPageView(hHandle, pPage)) |
| pPageView->PageView_OnDraw(pDevice.get(), &matrix, &options); |
| #endif // PDF_ENABLE_XFA |
| } |
| #ifdef _SKIA_SUPPORT_PATHS_ |
| pDevice->Flush(true); |
| holder->UnPreMultiply(); |
| #endif |
| } |
| |
| } // namespace |
| |
| FPDF_EXPORT int FPDF_CALLCONV |
| FPDFPage_HasFormFieldAtPoint(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| double page_x, |
| double page_y) { |
| if (!hHandle) |
| return -1; |
| CPDF_Page* pPage = CPDFPageFromFPDFPage(page); |
| if (pPage) { |
| CPDF_InterForm interform(pPage->m_pDocument.Get()); |
| CPDF_FormControl* pFormCtrl = interform.GetControlAtPoint( |
| pPage, |
| CFX_PointF(static_cast<float>(page_x), static_cast<float>(page_y)), |
| nullptr); |
| if (!pFormCtrl) |
| return -1; |
| CPDF_FormField* pFormField = pFormCtrl->GetField(); |
| return pFormField ? static_cast<int>(pFormField->GetFieldType()) : -1; |
| } |
| |
| #ifdef PDF_ENABLE_XFA |
| CPDFXFA_Page* pXFAPage = UnderlyingFromFPDFPage(page); |
| if (!pXFAPage) |
| return -1; |
| |
| CXFA_FFPageView* pPageView = pXFAPage->GetXFAPageView(); |
| if (!pPageView) |
| return -1; |
| |
| CXFA_FFDocView* pDocView = pPageView->GetDocView(); |
| if (!pDocView) |
| return -1; |
| |
| CXFA_FFWidgetHandler* pWidgetHandler = pDocView->GetWidgetHandler(); |
| if (!pWidgetHandler) |
| return -1; |
| |
| std::unique_ptr<IXFA_WidgetIterator> pWidgetIterator( |
| pPageView->CreateWidgetIterator(XFA_TRAVERSEWAY_Form, |
| XFA_WidgetStatus_Viewable)); |
| if (!pWidgetIterator) |
| return -1; |
| |
| CXFA_FFWidget* pXFAAnnot; |
| while ((pXFAAnnot = pWidgetIterator->MoveToNext()) != nullptr) { |
| if (pXFAAnnot->GetFormFieldType() == FormFieldType::kXFA) |
| continue; |
| |
| CFX_RectF rcBBox = pXFAAnnot->GetWidgetRect(); |
| CFX_FloatRect rcWidget(rcBBox.left, rcBBox.top, rcBBox.left + rcBBox.width, |
| rcBBox.top + rcBBox.height); |
| rcWidget.Inflate(1.0f, 1.0f); |
| if (rcWidget.Contains(CFX_PointF(static_cast<float>(page_x), |
| static_cast<float>(page_y)))) { |
| return static_cast<int>(pXFAAnnot->GetFormFieldType()); |
| } |
| } |
| #endif // PDF_ENABLE_XFA |
| return -1; |
| } |
| |
| FPDF_EXPORT int FPDF_CALLCONV |
| FPDFPage_FormFieldZOrderAtPoint(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| double page_x, |
| double page_y) { |
| if (!hHandle) |
| return -1; |
| CPDF_Page* pPage = CPDFPageFromFPDFPage(page); |
| if (!pPage) |
| return -1; |
| CPDF_InterForm interform(pPage->m_pDocument.Get()); |
| int z_order = -1; |
| (void)interform.GetControlAtPoint( |
| pPage, CFX_PointF(static_cast<float>(page_x), static_cast<float>(page_y)), |
| &z_order); |
| return z_order; |
| } |
| |
| FPDF_EXPORT FPDF_FORMHANDLE FPDF_CALLCONV |
| FPDFDOC_InitFormFillEnvironment(FPDF_DOCUMENT document, |
| FPDF_FORMFILLINFO* formInfo) { |
| #ifdef PDF_ENABLE_XFA |
| const int kRequiredVersion = 2; |
| #else // PDF_ENABLE_XFA |
| const int kRequiredVersion = 1; |
| #endif // PDF_ENABLE_XFA |
| if (!formInfo || formInfo->version != kRequiredVersion) |
| return nullptr; |
| |
| UnderlyingDocumentType* pDocument = UnderlyingFromFPDFDocument(document); |
| if (!pDocument) |
| return nullptr; |
| |
| #ifdef PDF_ENABLE_XFA |
| // If the CPDFXFA_Context has a FormFillEnvironment already then we've done |
| // this and can just return the old Env. Otherwise, we'll end up setting a new |
| // environment into the XFADocument and, that could get weird. |
| if (pDocument->GetFormFillEnv()) |
| return pDocument->GetFormFillEnv(); |
| #endif |
| |
| auto pFormFillEnv = |
| pdfium::MakeUnique<CPDFSDK_FormFillEnvironment>(pDocument, formInfo); |
| |
| #ifdef PDF_ENABLE_XFA |
| pDocument->SetFormFillEnv(pFormFillEnv.get()); |
| #endif // PDF_ENABLE_XFA |
| |
| return pFormFillEnv.release(); // Caller takes ownership. |
| } |
| |
| FPDF_EXPORT void FPDF_CALLCONV |
| FPDFDOC_ExitFormFillEnvironment(FPDF_FORMHANDLE hHandle) { |
| CPDFSDK_FormFillEnvironment* pFormFillEnv = |
| HandleToCPDFSDKEnvironment(hHandle); |
| if (!pFormFillEnv) |
| return; |
| |
| #ifdef PDF_ENABLE_XFA |
| // Reset the focused annotations and remove the SDK document from the |
| // XFA document. |
| pFormFillEnv->ClearAllFocusedAnnots(); |
| // If the document was closed first, it's possible the XFA document |
| // is now a nullptr. |
| if (pFormFillEnv->GetXFAContext()) |
| pFormFillEnv->GetXFAContext()->SetFormFillEnv(nullptr); |
| #endif // PDF_ENABLE_XFA |
| delete pFormFillEnv; |
| } |
| |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnMouseMove(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| int modifier, |
| double page_x, |
| double page_y) { |
| CPDFSDK_PageView* pPageView = FormHandleToPageView(hHandle, page); |
| if (!pPageView) |
| return false; |
| return pPageView->OnMouseMove(CFX_PointF(page_x, page_y), modifier); |
| } |
| |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnFocus(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| int modifier, |
| double page_x, |
| double page_y) { |
| CPDFSDK_PageView* pPageView = FormHandleToPageView(hHandle, page); |
| if (!pPageView) |
| return false; |
| return pPageView->OnFocus(CFX_PointF(page_x, page_y), modifier); |
| } |
| |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnLButtonDown(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| int modifier, |
| double page_x, |
| double page_y) { |
| CPDFSDK_PageView* pPageView = FormHandleToPageView(hHandle, page); |
| if (!pPageView) |
| return false; |
| return pPageView->OnLButtonDown(CFX_PointF(page_x, page_y), modifier); |
| } |
| |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnLButtonUp(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| int modifier, |
| double page_x, |
| double page_y) { |
| CPDFSDK_PageView* pPageView = FormHandleToPageView(hHandle, page); |
| if (!pPageView) |
| return false; |
| return pPageView->OnLButtonUp(CFX_PointF(page_x, page_y), modifier); |
| } |
| |
| #ifdef PDF_ENABLE_XFA |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnRButtonDown(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| int modifier, |
| double page_x, |
| double page_y) { |
| CPDFSDK_PageView* pPageView = FormHandleToPageView(hHandle, page); |
| if (!pPageView) |
| return false; |
| return pPageView->OnRButtonDown(CFX_PointF(page_x, page_y), modifier); |
| } |
| |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnRButtonUp(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| int modifier, |
| double page_x, |
| double page_y) { |
| CPDFSDK_PageView* pPageView = FormHandleToPageView(hHandle, page); |
| if (!pPageView) |
| return false; |
| return pPageView->OnRButtonUp(CFX_PointF(page_x, page_y), modifier); |
| } |
| #endif // PDF_ENABLE_XFA |
| |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnKeyDown(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| int nKeyCode, |
| int modifier) { |
| CPDFSDK_PageView* pPageView = FormHandleToPageView(hHandle, page); |
| if (!pPageView) |
| return false; |
| return pPageView->OnKeyDown(nKeyCode, modifier); |
| } |
| |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnKeyUp(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| int nKeyCode, |
| int modifier) { |
| CPDFSDK_PageView* pPageView = FormHandleToPageView(hHandle, page); |
| if (!pPageView) |
| return false; |
| return pPageView->OnKeyUp(nKeyCode, modifier); |
| } |
| |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnChar(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| int nChar, |
| int modifier) { |
| CPDFSDK_PageView* pPageView = FormHandleToPageView(hHandle, page); |
| if (!pPageView) |
| return false; |
| return pPageView->OnChar(nChar, modifier); |
| } |
| |
| FPDF_EXPORT unsigned long FPDF_CALLCONV |
| FORM_GetSelectedText(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| void* buffer, |
| unsigned long buflen) { |
| CPDFSDK_PageView* pPageView = FormHandleToPageView(hHandle, page); |
| if (!pPageView) |
| return 0; |
| |
| WideString wide_str_form_text = pPageView->GetSelectedText(); |
| ByteString encoded_form_text = wide_str_form_text.UTF16LE_Encode(); |
| unsigned long form_text_len = encoded_form_text.GetLength(); |
| |
| if (buffer && buflen >= form_text_len) |
| memcpy(buffer, encoded_form_text.c_str(), form_text_len); |
| |
| return form_text_len; |
| } |
| |
| FPDF_EXPORT void FPDF_CALLCONV FORM_ReplaceSelection(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| FPDF_WIDESTRING wsText) { |
| CPDFSDK_PageView* pPageView = FormHandleToPageView(hHandle, page); |
| if (!pPageView) |
| return; |
| |
| size_t len = WideString::WStringLength(wsText); |
| WideString wide_str_text = WideString::FromUTF16LE(wsText, len); |
| |
| pPageView->ReplaceSelection(wide_str_text); |
| } |
| |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV |
| FORM_ForceToKillFocus(FPDF_FORMHANDLE hHandle) { |
| CPDFSDK_FormFillEnvironment* pFormFillEnv = |
| HandleToCPDFSDKEnvironment(hHandle); |
| if (!pFormFillEnv) |
| return false; |
| return pFormFillEnv->KillFocusAnnot(0); |
| } |
| |
| FPDF_EXPORT void FPDF_CALLCONV FPDF_FFLDraw(FPDF_FORMHANDLE hHandle, |
| FPDF_BITMAP bitmap, |
| FPDF_PAGE page, |
| int start_x, |
| int start_y, |
| int size_x, |
| int size_y, |
| int rotate, |
| int flags) { |
| FFLCommon(hHandle, bitmap, nullptr, page, start_x, start_y, size_x, size_y, |
| rotate, flags); |
| } |
| |
| #ifdef _SKIA_SUPPORT_ |
| FPDF_EXPORT void FPDF_CALLCONV FPDF_FFLRecord(FPDF_FORMHANDLE hHandle, |
| FPDF_RECORDER recorder, |
| FPDF_PAGE page, |
| int start_x, |
| int start_y, |
| int size_x, |
| int size_y, |
| int rotate, |
| int flags) { |
| FFLCommon(hHandle, nullptr, recorder, page, start_x, start_y, size_x, size_y, |
| rotate, flags); |
| } |
| #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, |
| unsigned long color) { |
| CPDFSDK_InterForm* interForm = FormHandleToInterForm(hHandle); |
| if (!interForm) |
| return; |
| |
| Optional<FormFieldType> cast_input = IntToFormFieldType(fieldType); |
| if (!cast_input) |
| return; |
| |
| if (cast_input.value() == FormFieldType::kUnknown) { |
| interForm->SetAllHighlightColors(color); |
| } else { |
| interForm->SetHighlightColor(color, cast_input.value()); |
| } |
| } |
| |
| FPDF_EXPORT void FPDF_CALLCONV |
| FPDF_SetFormFieldHighlightAlpha(FPDF_FORMHANDLE hHandle, unsigned char alpha) { |
| if (CPDFSDK_InterForm* pInterForm = FormHandleToInterForm(hHandle)) |
| pInterForm->SetHighlightAlpha(alpha); |
| } |
| |
| FPDF_EXPORT void FPDF_CALLCONV |
| FPDF_RemoveFormFieldHighlight(FPDF_FORMHANDLE hHandle) { |
| if (CPDFSDK_InterForm* pInterForm = FormHandleToInterForm(hHandle)) |
| pInterForm->RemoveAllHighLights(); |
| } |
| |
| FPDF_EXPORT void FPDF_CALLCONV FORM_OnAfterLoadPage(FPDF_PAGE page, |
| FPDF_FORMHANDLE hHandle) { |
| if (CPDFSDK_PageView* pPageView = FormHandleToPageView(hHandle, page)) |
| pPageView->SetValid(true); |
| } |
| |
| FPDF_EXPORT void FPDF_CALLCONV FORM_OnBeforeClosePage(FPDF_PAGE page, |
| FPDF_FORMHANDLE hHandle) { |
| CPDFSDK_FormFillEnvironment* pFormFillEnv = |
| HandleToCPDFSDKEnvironment(hHandle); |
| if (!pFormFillEnv) |
| return; |
| |
| UnderlyingPageType* pPage = UnderlyingFromFPDFPage(page); |
| if (!pPage) |
| return; |
| |
| CPDFSDK_PageView* pPageView = pFormFillEnv->GetPageView(pPage, false); |
| if (pPageView) { |
| pPageView->SetValid(false); |
| // RemovePageView() takes care of the delete for us. |
| pFormFillEnv->RemovePageView(pPage); |
| } |
| } |
| |
| FPDF_EXPORT void FPDF_CALLCONV |
| FORM_DoDocumentJSAction(FPDF_FORMHANDLE hHandle) { |
| CPDFSDK_FormFillEnvironment* pFormFillEnv = |
| HandleToCPDFSDKEnvironment(hHandle); |
| if (pFormFillEnv && pFormFillEnv->IsJSPlatformPresent()) |
| pFormFillEnv->ProcJavascriptFun(); |
| } |
| |
| FPDF_EXPORT void FPDF_CALLCONV |
| FORM_DoDocumentOpenAction(FPDF_FORMHANDLE hHandle) { |
| CPDFSDK_FormFillEnvironment* pFormFillEnv = |
| HandleToCPDFSDKEnvironment(hHandle); |
| if (pFormFillEnv && pFormFillEnv->IsJSPlatformPresent()) |
| pFormFillEnv->ProcOpenAction(); |
| } |
| |
| FPDF_EXPORT void FPDF_CALLCONV FORM_DoDocumentAAction(FPDF_FORMHANDLE hHandle, |
| int aaType) { |
| CPDFSDK_FormFillEnvironment* pFormFillEnv = |
| HandleToCPDFSDKEnvironment(hHandle); |
| if (!pFormFillEnv) |
| return; |
| |
| CPDF_Document* pDoc = pFormFillEnv->GetPDFDocument(); |
| const CPDF_Dictionary* pDict = pDoc->GetRoot(); |
| if (!pDict) |
| return; |
| |
| CPDF_AAction aa(pDict->GetDictFor("AA")); |
| auto type = static_cast<CPDF_AAction::AActionType>(aaType); |
| if (aa.ActionExist(type)) { |
| CPDF_Action action = aa.GetAction(type); |
| CPDFSDK_ActionHandler* pActionHandler = |
| HandleToCPDFSDKEnvironment(hHandle)->GetActionHandler(); |
| pActionHandler->DoAction_Document(action, type, pFormFillEnv); |
| } |
| } |
| |
| FPDF_EXPORT void FPDF_CALLCONV FORM_DoPageAAction(FPDF_PAGE page, |
| FPDF_FORMHANDLE hHandle, |
| int aaType) { |
| CPDFSDK_FormFillEnvironment* pFormFillEnv = |
| HandleToCPDFSDKEnvironment(hHandle); |
| if (!pFormFillEnv) |
| return; |
| |
| UnderlyingPageType* pPage = UnderlyingFromFPDFPage(page); |
| CPDF_Page* pPDFPage = CPDFPageFromFPDFPage(page); |
| if (!pPDFPage) |
| return; |
| |
| if (!pFormFillEnv->GetPageView(pPage, false)) |
| return; |
| |
| CPDFSDK_ActionHandler* pActionHandler = pFormFillEnv->GetActionHandler(); |
| CPDF_Dictionary* pPageDict = pPDFPage->m_pFormDict.Get(); |
| CPDF_AAction aa(pPageDict->GetDictFor("AA")); |
| CPDF_AAction::AActionType type = aaType == FPDFPAGE_AACTION_OPEN |
| ? CPDF_AAction::OpenPage |
| : CPDF_AAction::ClosePage; |
| if (aa.ActionExist(type)) { |
| CPDF_Action action = aa.GetAction(type); |
| pActionHandler->DoAction_Page(action, type, pFormFillEnv); |
| } |
| } |
