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// Copyright 2014 The PDFium Authors
// 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 "xfa/fxfa/cxfa_ffimageedit.h"
#include <utility>
#include "core/fxcrt/check.h"
#include "core/fxge/dib/cfx_dibitmap.h"
#include "v8/include/cppgc/visitor.h"
#include "xfa/fwl/cfwl_app.h"
#include "xfa/fwl/cfwl_messagemouse.h"
#include "xfa/fwl/cfwl_notedriver.h"
#include "xfa/fwl/cfwl_picturebox.h"
#include "xfa/fxfa/cxfa_ffdoc.h"
#include "xfa/fxfa/cxfa_ffdocview.h"
#include "xfa/fxfa/cxfa_fffield.h"
#include "xfa/fxfa/cxfa_ffpageview.h"
#include "xfa/fxfa/cxfa_ffwidget.h"
#include "xfa/fxfa/parser/cxfa_border.h"
#include "xfa/fxfa/parser/cxfa_image.h"
#include "xfa/fxfa/parser/cxfa_para.h"
#include "xfa/fxfa/parser/cxfa_value.h"
CXFA_FFImageEdit::CXFA_FFImageEdit(CXFA_Node* pNode) : CXFA_FFField(pNode) {}
CXFA_FFImageEdit::~CXFA_FFImageEdit() = default;
void CXFA_FFImageEdit::PreFinalize() {
m_pNode->SetEditImage(nullptr);
}
void CXFA_FFImageEdit::Trace(cppgc::Visitor* visitor) const {
CXFA_FFField::Trace(visitor);
visitor->Trace(m_pOldDelegate);
}
bool CXFA_FFImageEdit::LoadWidget() {
DCHECK(!IsLoaded());
CFWL_PictureBox* pPictureBox = cppgc::MakeGarbageCollected<CFWL_PictureBox>(
GetFWLApp()->GetHeap()->GetAllocationHandle(), GetFWLApp());
SetNormalWidget(pPictureBox);
pPictureBox->SetAdapterIface(this);
CFWL_NoteDriver* pNoteDriver = pPictureBox->GetFWLApp()->GetNoteDriver();
pNoteDriver->RegisterEventTarget(pPictureBox, pPictureBox);
m_pOldDelegate = pPictureBox->GetDelegate();
pPictureBox->SetDelegate(this);
CXFA_FFField::LoadWidget();
if (!m_pNode->GetEditImage())
UpdateFWLData();
return true;
}
void CXFA_FFImageEdit::RenderWidget(CFGAS_GEGraphics* pGS,
const CFX_Matrix& matrix,
HighlightOption highlight) {
if (!HasVisibleStatus())
return;
CFX_Matrix mtRotate = GetRotateMatrix();
mtRotate.Concat(matrix);
CXFA_FFWidget::RenderWidget(pGS, mtRotate, highlight);
DrawBorder(pGS, m_pNode->GetUIBorder(), m_UIRect, mtRotate);
RenderCaption(pGS, mtRotate);
RetainPtr<CFX_DIBitmap> pDIBitmap = m_pNode->GetEditImage();
if (!pDIBitmap)
return;
CFX_RectF rtImage = GetNormalWidget()->GetWidgetRect();
XFA_AttributeValue iHorzAlign = XFA_AttributeValue::Left;
XFA_AttributeValue iVertAlign = XFA_AttributeValue::Top;
CXFA_Para* para = m_pNode->GetParaIfExists();
if (para) {
iHorzAlign = para->GetHorizontalAlign();
iVertAlign = para->GetVerticalAlign();
}
XFA_AttributeValue iAspect = XFA_AttributeValue::Fit;
CXFA_Value* value = m_pNode->GetFormValueIfExists();
if (value) {
CXFA_Image* image = value->GetImageIfExists();
if (image)
iAspect = image->GetAspect();
}
XFA_DrawImage(pGS, rtImage, mtRotate, std::move(pDIBitmap), iAspect,
m_pNode->GetEditImageDpi(), iHorzAlign, iVertAlign);
}
bool CXFA_FFImageEdit::AcceptsFocusOnButtonDown(
Mask<XFA_FWL_KeyFlag> dwFlags,
const CFX_PointF& point,
CFWL_MessageMouse::MouseCommand command) {
if (command != CFWL_MessageMouse::MouseCommand::kLeftButtonDown)
return CXFA_FFField::AcceptsFocusOnButtonDown(dwFlags, point, command);
if (!m_pNode->IsOpenAccess())
return false;
if (!PtInActiveRect(point))
return false;
return true;
}
bool CXFA_FFImageEdit::OnLButtonDown(Mask<XFA_FWL_KeyFlag> dwFlags,
const CFX_PointF& point) {
SetButtonDown(true);
CFWL_MessageMouse msg(GetNormalWidget(),
CFWL_MessageMouse::MouseCommand::kLeftButtonDown,
dwFlags, FWLToClient(point));
SendMessageToFWLWidget(&msg);
return true;
}
void CXFA_FFImageEdit::SetFWLRect() {
if (!GetNormalWidget())
return;
CFX_RectF rtUIMargin = m_pNode->GetUIMargin();
CFX_RectF rtImage(m_UIRect);
rtImage.Deflate(rtUIMargin.left, rtUIMargin.top, rtUIMargin.width,
rtUIMargin.height);
GetNormalWidget()->SetWidgetRect(rtImage);
}
bool CXFA_FFImageEdit::CommitData() {
return true;
}
bool CXFA_FFImageEdit::UpdateFWLData() {
m_pNode->SetEditImage(nullptr);
m_pNode->LoadEditImage(GetDoc());
return true;
}
void CXFA_FFImageEdit::OnProcessMessage(CFWL_Message* pMessage) {
m_pOldDelegate->OnProcessMessage(pMessage);
}
void CXFA_FFImageEdit::OnProcessEvent(CFWL_Event* pEvent) {
CXFA_FFField::OnProcessEvent(pEvent);
m_pOldDelegate->OnProcessEvent(pEvent);
}
void CXFA_FFImageEdit::OnDrawWidget(CFGAS_GEGraphics* pGraphics,
const CFX_Matrix& matrix) {
m_pOldDelegate->OnDrawWidget(pGraphics, matrix);
}
FormFieldType CXFA_FFImageEdit::GetFormFieldType() {
return FormFieldType::kXFA_ImageField;
}