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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 "fpdfsdk/formfiller/cffl_checkbox.h"
#include <utility>
#include "fpdfsdk/cpdfsdk_formfillenvironment.h"
#include "fpdfsdk/cpdfsdk_widget.h"
#include "fpdfsdk/formfiller/cffl_formfiller.h"
#include "fpdfsdk/pwl/cpwl_special_button.h"
#include "public/fpdf_fwlevent.h"
#include "third_party/base/ptr_util.h"
CFFL_CheckBox::CFFL_CheckBox(CPDFSDK_FormFillEnvironment* pApp,
CPDFSDK_Widget* pWidget)
: CFFL_Button(pApp, pWidget) {}
CFFL_CheckBox::~CFFL_CheckBox() {}
std::unique_ptr<CPWL_Wnd> CFFL_CheckBox::NewPWLWindow(
const CPWL_Wnd::CreateParams& cp,
std::unique_ptr<CPWL_Wnd::PrivateData> pAttachedData) {
auto pWnd = pdfium::MakeUnique<CPWL_CheckBox>(cp, std::move(pAttachedData));
pWnd->Realize();
pWnd->SetCheck(m_pWidget->IsChecked());
return std::move(pWnd);
}
bool CFFL_CheckBox::OnKeyDown(CPDFSDK_Annot* pAnnot,
uint32_t nKeyCode,
uint32_t nFlags) {
switch (nKeyCode) {
case FWL_VKEY_Return:
case FWL_VKEY_Space:
return true;
default:
return CFFL_FormFiller::OnKeyDown(pAnnot, nKeyCode, nFlags);
}
}
bool CFFL_CheckBox::OnChar(CPDFSDK_Annot* pAnnot,
uint32_t nChar,
uint32_t nFlags) {
switch (nChar) {
case FWL_VKEY_Return:
case FWL_VKEY_Space: {
CPDFSDK_PageView* pPageView = pAnnot->GetPageView();
ASSERT(pPageView);
CPDFSDK_Annot::ObservedPtr pObserved(m_pWidget.Get());
if (m_pFormFillEnv->GetInteractiveFormFiller()->OnButtonUp(
&pObserved, pPageView, nFlags)) {
if (!pObserved)
m_pWidget = nullptr;
return true;
}
if (!pObserved) {
m_pWidget = nullptr;
return true;
}
CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags);
CPWL_CheckBox* pWnd = GetCheckBox(pPageView, true);
if (pWnd) {
CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot);
pWnd->SetCheck(!pWidget->IsChecked());
}
return CommitData(pPageView, nFlags);
}
default:
return CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags);
}
}
bool CFFL_CheckBox::OnLButtonUp(CPDFSDK_PageView* pPageView,
CPDFSDK_Annot* pAnnot,
uint32_t nFlags,
const CFX_PointF& point) {
CFFL_Button::OnLButtonUp(pPageView, pAnnot, nFlags, point);
if (!IsValid())
return true;
CPWL_CheckBox* pWnd = GetCheckBox(pPageView, true);
if (pWnd) {
CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot);
pWnd->SetCheck(!pWidget->IsChecked());
}
return CommitData(pPageView, nFlags);
}
bool CFFL_CheckBox::IsDataChanged(CPDFSDK_PageView* pPageView) {
CPWL_CheckBox* pWnd = GetCheckBox(pPageView, false);
return pWnd && pWnd->IsChecked() != m_pWidget->IsChecked();
}
void CFFL_CheckBox::SaveData(CPDFSDK_PageView* pPageView) {
CPWL_CheckBox* pWnd = GetCheckBox(pPageView, false);
if (!pWnd)
return;
bool bNewChecked = pWnd->IsChecked();
if (bNewChecked) {
CPDF_FormField* pField = m_pWidget->GetFormField();
for (int32_t i = 0, sz = pField->CountControls(); i < sz; i++) {
if (CPDF_FormControl* pCtrl = pField->GetControl(i)) {
if (pCtrl->IsChecked()) {
break;
}
}
}
}
CPDFSDK_Widget::ObservedPtr observed_widget(m_pWidget.Get());
CFFL_CheckBox::ObservedPtr observed_this(this);
m_pWidget->SetCheck(bNewChecked, NotificationOption::kDoNotNotify);
if (!observed_widget)
return;
m_pWidget->UpdateField();
if (!observed_widget || !observed_this)
return;
SetChangeMark();
}
CPWL_CheckBox* CFFL_CheckBox::GetCheckBox(CPDFSDK_PageView* pPageView,
bool bNew) {
return static_cast<CPWL_CheckBox*>(GetPDFWindow(pPageView, bNew));
}
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