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// 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 "xfa/fxfa/cxfa_ffimageedit.h"
#include <utility>
#include "core/fxge/dib/cfx_dibitmap.h"
#include "third_party/base/ptr_util.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() {
m_pNode->SetImageEditImage(nullptr);
}
bool CXFA_FFImageEdit::LoadWidget() {
ASSERT(!IsLoaded());
// Prevents destruction of the CXFA_ContentLayoutItem that owns |this|.
RetainPtr<CXFA_ContentLayoutItem> retain_layout(m_pLayoutItem.Get());
auto pNew = pdfium::MakeUnique<CFWL_PictureBox>(GetFWLApp());
CFWL_PictureBox* pPictureBox = pNew.get();
SetNormalWidget(std::move(pNew));
pPictureBox->SetAdapterIface(this);
CFWL_NoteDriver* pNoteDriver = pPictureBox->GetOwnerApp()->GetNoteDriver();
pNoteDriver->RegisterEventTarget(pPictureBox, pPictureBox);
m_pOldDelegate = pPictureBox->GetDelegate();
pPictureBox->SetDelegate(this);
CXFA_FFField::LoadWidget();
if (!m_pNode->GetImageEditImage())
UpdateFWLData();
return true;
}
void CXFA_FFImageEdit::RenderWidget(CXFA_Graphics* 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_rtUI, mtRotate);
RenderCaption(pGS, &mtRotate);
RetainPtr<CFX_DIBitmap> pDIBitmap = m_pNode->GetImageEditImage();
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, pDIBitmap, iAspect,
m_pNode->GetImageEditDpi(), iHorzAlign, iVertAlign);
}
bool CXFA_FFImageEdit::AcceptsFocusOnButtonDown(uint32_t dwFlags,
const CFX_PointF& point,
FWL_MouseCommand command) {
if (command != FWL_MouseCommand::LeftButtonDown)
return CXFA_FFField::AcceptsFocusOnButtonDown(dwFlags, point, command);
if (!m_pNode->IsOpenAccess())
return false;
if (!PtInActiveRect(point))
return false;
return true;
}
bool CXFA_FFImageEdit::OnLButtonDown(uint32_t dwFlags,
const CFX_PointF& point) {
// Prevents destruction of the CXFA_ContentLayoutItem that owns |this|.
RetainPtr<CXFA_ContentLayoutItem> retainer(m_pLayoutItem.Get());
SetButtonDown(true);
SendMessageToFWLWidget(pdfium::MakeUnique<CFWL_MessageMouse>(
GetNormalWidget(), FWL_MouseCommand::LeftButtonDown, dwFlags,
FWLToClient(point)));
return true;
}
void CXFA_FFImageEdit::SetFWLRect() {
if (!GetNormalWidget())
return;
CFX_RectF rtUIMargin = m_pNode->GetUIMargin();
CFX_RectF rtImage(m_rtUI);
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->SetImageEditImage(nullptr);
m_pNode->LoadImageEditImage(GetDoc());
return true;
}
void CXFA_FFImageEdit::OnProcessMessage(CFWL_Message* pMessage) {
// Prevents destruction of the CXFA_ContentLayoutItem that owns |this|.
RetainPtr<CXFA_ContentLayoutItem> retainer(m_pLayoutItem.Get());
m_pOldDelegate->OnProcessMessage(pMessage);
}
void CXFA_FFImageEdit::OnProcessEvent(CFWL_Event* pEvent) {
// Prevents destruction of the CXFA_ContentLayoutItem that owns |this|.
RetainPtr<CXFA_ContentLayoutItem> retain_layout(m_pLayoutItem.Get());
CXFA_FFField::OnProcessEvent(pEvent);
m_pOldDelegate->OnProcessEvent(pEvent);
}
void CXFA_FFImageEdit::OnDrawWidget(CXFA_Graphics* pGraphics,
const CFX_Matrix& matrix) {
// Prevents destruction of the CXFA_ContentLayoutItem that owns |this|.
RetainPtr<CXFA_ContentLayoutItem> retainer(m_pLayoutItem.Get());
m_pOldDelegate->OnDrawWidget(pGraphics, matrix);
}
FormFieldType CXFA_FFImageEdit::GetFormFieldType() {
return FormFieldType::kXFA_ImageField;
}